Index: head/sys/amd64/linux/linux.h =================================================================== --- head/sys/amd64/linux/linux.h (revision 328889) +++ head/sys/amd64/linux/linux.h (revision 328890) @@ -1,469 +1,469 @@ /*- * Copyright (c) 2013 Dmitry Chagin * Copyright (c) 1994-1996 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _AMD64_LINUX_H_ #define _AMD64_LINUX_H_ #include #include /* * debugging support */ extern u_char linux_debug_map[]; #define ldebug(name) isclr(linux_debug_map, LINUX_SYS_linux_ ## name) #define ARGS(nm, fmt) "linux(%ld/%ld): "#nm"("fmt")\n", \ (long)td->td_proc->p_pid, (long)td->td_tid #define LMSG(fmt) "linux(%ld/%ld): "fmt"\n", \ (long)td->td_proc->p_pid, (long)td->td_tid #define LINUX_DTRACE linuxulator #define PTRIN(v) (void *)(v) #define PTROUT(v) (uintptr_t)(v) #define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) #define CP2(src,dst,sfld,dfld) do { (dst).dfld = (src).sfld; } while (0) #define PTRIN_CP(src,dst,fld) \ do { (dst).fld = PTRIN((src).fld); } while (0) /* * Provide a separate set of types for the Linux types. */ typedef int32_t l_int; typedef int64_t l_long; typedef int16_t l_short; typedef uint32_t l_uint; typedef uint64_t l_ulong; typedef uint16_t l_ushort; typedef l_ulong l_uintptr_t; typedef l_long l_clock_t; typedef l_int l_daddr_t; typedef l_ulong l_dev_t; typedef l_uint l_gid_t; typedef l_ushort l_gid16_t; typedef l_uint l_uid_t; typedef l_ushort l_uid16_t; typedef l_ulong l_ino_t; typedef l_int l_key_t; typedef l_long l_loff_t; typedef l_uint l_mode_t; typedef l_long l_off_t; typedef l_int l_pid_t; typedef l_ulong l_size_t; typedef l_long l_ssize_t; typedef l_long l_suseconds_t; typedef l_long l_time_t; typedef l_int l_timer_t; typedef l_int l_mqd_t; typedef l_size_t l_socklen_t; typedef l_ulong l_fd_mask; typedef struct { l_int val[2]; } l_fsid_t; typedef struct { l_time_t tv_sec; l_suseconds_t tv_usec; } l_timeval; #define l_fd_set fd_set /* * Miscellaneous */ #define LINUX_AT_COUNT 19 /* Count of used aux entry types. */ struct l___sysctl_args { l_uintptr_t name; l_int nlen; l_uintptr_t oldval; l_uintptr_t oldlenp; l_uintptr_t newval; l_size_t newlen; l_ulong __spare[4]; }; /* Resource limits */ #define LINUX_RLIMIT_CPU 0 #define LINUX_RLIMIT_FSIZE 1 #define LINUX_RLIMIT_DATA 2 #define LINUX_RLIMIT_STACK 3 #define LINUX_RLIMIT_CORE 4 #define LINUX_RLIMIT_RSS 5 #define LINUX_RLIMIT_NPROC 6 #define LINUX_RLIMIT_NOFILE 7 #define LINUX_RLIMIT_MEMLOCK 8 #define LINUX_RLIMIT_AS 9 /* Address space limit */ #define LINUX_RLIM_NLIMITS 10 struct l_rlimit { l_ulong rlim_cur; l_ulong rlim_max; }; /* * stat family of syscalls */ struct l_timespec { l_time_t tv_sec; l_long tv_nsec; }; struct l_newstat { l_dev_t st_dev; l_ino_t st_ino; l_ulong st_nlink; l_uint st_mode; l_uid_t st_uid; l_gid_t st_gid; l_uint __st_pad1; l_dev_t st_rdev; l_off_t st_size; l_long st_blksize; l_long st_blocks; struct l_timespec st_atim; struct l_timespec st_mtim; struct l_timespec st_ctim; l_long __unused1; l_long __unused2; l_long __unused3; }; /* sigaction flags */ #define LINUX_SA_NOCLDSTOP 0x00000001 #define LINUX_SA_NOCLDWAIT 0x00000002 #define LINUX_SA_SIGINFO 0x00000004 #define LINUX_SA_RESTORER 0x04000000 #define LINUX_SA_ONSTACK 0x08000000 #define LINUX_SA_RESTART 0x10000000 #define LINUX_SA_INTERRUPT 0x20000000 #define LINUX_SA_NOMASK 0x40000000 #define LINUX_SA_ONESHOT 0x80000000 /* sigprocmask actions */ #define LINUX_SIG_BLOCK 0 #define LINUX_SIG_UNBLOCK 1 #define LINUX_SIG_SETMASK 2 /* sigaltstack */ #define LINUX_MINSIGSTKSZ 2048 typedef void (*l_handler_t)(l_int); typedef struct { l_handler_t lsa_handler; l_ulong lsa_flags; l_uintptr_t lsa_restorer; l_sigset_t lsa_mask; } l_sigaction_t; typedef struct { l_uintptr_t ss_sp; l_int ss_flags; l_size_t ss_size; } l_stack_t; struct l_fpstate { u_int16_t cwd; u_int16_t swd; u_int16_t twd; u_int16_t fop; u_int64_t rip; u_int64_t rdp; u_int32_t mxcsr; u_int32_t mxcsr_mask; u_int32_t st_space[32]; u_int32_t xmm_space[64]; u_int32_t reserved2[24]; }; struct l_sigcontext { l_ulong sc_r8; l_ulong sc_r9; l_ulong sc_r10; l_ulong sc_r11; l_ulong sc_r12; l_ulong sc_r13; l_ulong sc_r14; l_ulong sc_r15; l_ulong sc_rdi; l_ulong sc_rsi; l_ulong sc_rbp; l_ulong sc_rbx; l_ulong sc_rdx; l_ulong sc_rax; l_ulong sc_rcx; l_ulong sc_rsp; l_ulong sc_rip; l_ulong sc_rflags; l_ushort sc_cs; l_ushort sc_gs; l_ushort sc_fs; l_ushort sc___pad0; l_ulong sc_err; l_ulong sc_trapno; l_sigset_t sc_mask; l_ulong sc_cr2; struct l_fpstate *sc_fpstate; l_ulong sc_reserved1[8]; }; struct l_ucontext { l_ulong uc_flags; l_uintptr_t uc_link; l_stack_t uc_stack; struct l_sigcontext uc_mcontext; l_sigset_t uc_sigmask; }; #define LINUX_SI_PREAMBLE_SIZE (4 * sizeof(int)) #define LINUX_SI_MAX_SIZE 128 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE - \ LINUX_SI_PREAMBLE_SIZE) / sizeof(l_int)) typedef union l_sigval { l_int sival_int; l_uintptr_t sival_ptr; } l_sigval_t; typedef struct l_siginfo { l_int lsi_signo; l_int lsi_errno; l_int lsi_code; union { l_int _pad[LINUX_SI_PAD_SIZE]; struct { l_pid_t _pid; l_uid_t _uid; } _kill; struct { l_timer_t _tid; l_int _overrun; char _pad[sizeof(l_uid_t) - sizeof(int)]; union l_sigval _sigval; l_uint _sys_private; } _timer; struct { l_pid_t _pid; /* sender's pid */ l_uid_t _uid; /* sender's uid */ union l_sigval _sigval; } _rt; struct { l_pid_t _pid; /* which child */ l_uid_t _uid; /* sender's uid */ l_int _status; /* exit code */ l_clock_t _utime; l_clock_t _stime; } _sigchld; struct { l_uintptr_t _addr; /* Faulting insn/memory ref. */ } _sigfault; struct { l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */ l_int _fd; } _sigpoll; } _sifields; } l_siginfo_t; #define lsi_pid _sifields._kill._pid #define lsi_uid _sifields._kill._uid #define lsi_tid _sifields._timer._tid #define lsi_overrun _sifields._timer._overrun #define lsi_sys_private _sifields._timer._sys_private #define lsi_status _sifields._sigchld._status #define lsi_utime _sifields._sigchld._utime #define lsi_stime _sifields._sigchld._stime #define lsi_value _sifields._rt._sigval #define lsi_int _sifields._rt._sigval.sival_int #define lsi_ptr _sifields._rt._sigval.sival_ptr #define lsi_addr _sifields._sigfault._addr #define lsi_band _sifields._sigpoll._band #define lsi_fd _sifields._sigpoll._fd /* * We make the stack look like Linux expects it when calling a signal * handler, but use the BSD way of calling the handler and sigreturn(). * This means that we need to pass the pointer to the handler too. * It is appended to the frame to not interfere with the rest of it. */ struct l_rt_sigframe { struct l_ucontext sf_sc; struct l_siginfo sf_si; l_handler_t sf_handler; }; /* * mount flags */ #define LINUX_MS_RDONLY 0x0001 #define LINUX_MS_NOSUID 0x0002 #define LINUX_MS_NODEV 0x0004 #define LINUX_MS_NOEXEC 0x0008 #define LINUX_MS_REMOUNT 0x0020 /* * SystemV IPC defines */ #define LINUX_IPC_RMID 0 #define LINUX_IPC_SET 1 #define LINUX_IPC_STAT 2 #define LINUX_IPC_INFO 3 #define LINUX_SHM_LOCK 11 #define LINUX_SHM_UNLOCK 12 #define LINUX_SHM_STAT 13 #define LINUX_SHM_INFO 14 #define LINUX_SHM_RDONLY 0x1000 #define LINUX_SHM_RND 0x2000 #define LINUX_SHM_REMAP 0x4000 /* semctl commands */ #define LINUX_GETPID 11 #define LINUX_GETVAL 12 #define LINUX_GETALL 13 #define LINUX_GETNCNT 14 #define LINUX_GETZCNT 15 #define LINUX_SETVAL 16 #define LINUX_SETALL 17 #define LINUX_SEM_STAT 18 #define LINUX_SEM_INFO 19 union l_semun { l_int val; l_uintptr_t buf; l_uintptr_t array; l_uintptr_t __buf; l_uintptr_t __pad; }; struct l_sockaddr { l_ushort sa_family; char sa_data[14]; }; struct l_ifmap { l_ulong mem_start; l_ulong mem_end; l_ushort base_addr; u_char irq; u_char dma; u_char port; } __packed; #define LINUX_IFHWADDRLEN 6 #define LINUX_IFNAMSIZ 16 struct l_ifreq { union { char ifrn_name[LINUX_IFNAMSIZ]; } ifr_ifrn; union { struct l_sockaddr ifru_addr; struct l_sockaddr ifru_dstaddr; struct l_sockaddr ifru_broadaddr; struct l_sockaddr ifru_netmask; struct l_sockaddr ifru_hwaddr; l_short ifru_flags[1]; l_int ifru_ivalue; l_int ifru_mtu; struct l_ifmap ifru_map; char ifru_slave[LINUX_IFNAMSIZ]; l_uintptr_t ifru_data; } ifr_ifru; } __packed; #define ifr_name ifr_ifrn.ifrn_name /* Interface name */ #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ #define ifr_ifindex ifr_ifru.ifru_ivalue /* Interface index */ struct l_ifconf { int ifc_len; union { l_uintptr_t ifcu_buf; l_uintptr_t ifcu_req; } ifc_ifcu; }; #define ifc_buf ifc_ifcu.ifcu_buf #define ifc_req ifc_ifcu.ifcu_req /* * poll() */ #define LINUX_POLLIN 0x0001 #define LINUX_POLLPRI 0x0002 #define LINUX_POLLOUT 0x0004 #define LINUX_POLLERR 0x0008 #define LINUX_POLLHUP 0x0010 #define LINUX_POLLNVAL 0x0020 #define LINUX_POLLRDNORM 0x0040 #define LINUX_POLLRDBAND 0x0080 #define LINUX_POLLWRNORM 0x0100 #define LINUX_POLLWRBAND 0x0200 #define LINUX_POLLMSG 0x0400 struct l_pollfd { l_int fd; l_short events; l_short revents; }; #define LINUX_ARCH_SET_GS 0x1001 #define LINUX_ARCH_SET_FS 0x1002 #define LINUX_ARCH_GET_FS 0x1003 #define LINUX_ARCH_GET_GS 0x1004 #define linux_copyout_rusage(r, u) copyout(r, u, sizeof(*r)) /* robust futexes */ struct linux_robust_list { l_uintptr_t next; }; - + struct linux_robust_list_head { struct linux_robust_list list; l_long futex_offset; l_uintptr_t pending_list; }; #endif /* !_AMD64_LINUX_H_ */ Index: head/sys/amd64/linux/linux_ptrace.c =================================================================== --- head/sys/amd64/linux/linux_ptrace.c (revision 328889) +++ head/sys/amd64/linux/linux_ptrace.c (revision 328890) @@ -1,416 +1,416 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2017 Edward Tomasz Napierala * All rights reserved. * * This software was developed by SRI International and the University of * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) * ("CTSRD"), as part of the DARPA CRASH research programme. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #define LINUX_PTRACE_TRACEME 0 #define LINUX_PTRACE_PEEKTEXT 1 #define LINUX_PTRACE_PEEKDATA 2 #define LINUX_PTRACE_PEEKUSER 3 #define LINUX_PTRACE_POKETEXT 4 #define LINUX_PTRACE_POKEDATA 5 #define LINUX_PTRACE_POKEUSER 6 #define LINUX_PTRACE_CONT 7 #define LINUX_PTRACE_KILL 8 #define LINUX_PTRACE_SINGLESTEP 9 #define LINUX_PTRACE_GETREGS 12 #define LINUX_PTRACE_SETREGS 13 #define LINUX_PTRACE_GETFPREGS 14 #define LINUX_PTRACE_SETFPREGS 15 #define LINUX_PTRACE_ATTACH 16 #define LINUX_PTRACE_DETACH 17 #define LINUX_PTRACE_SYSCALL 24 #define LINUX_PTRACE_SETOPTIONS 0x4200 #define LINUX_PTRACE_GETREGSET 0x4204 #define LINUX_PTRACE_SEIZE 0x4206 #define LINUX_PTRACE_O_TRACESYSGOOD 1 #define LINUX_PTRACE_O_TRACEFORK 2 #define LINUX_PTRACE_O_TRACEVFORK 4 #define LINUX_PTRACE_O_TRACECLONE 8 #define LINUX_PTRACE_O_TRACEEXEC 16 #define LINUX_PTRACE_O_TRACEVFORKDONE 32 #define LINUX_PTRACE_O_TRACEEXIT 64 #define LINUX_PTRACE_O_TRACESECCOMP 128 -#define LINUX_PTRACE_O_EXITKILL 1048576 +#define LINUX_PTRACE_O_EXITKILL 1048576 #define LINUX_PTRACE_O_SUSPEND_SECCOMP 2097152 #define LINUX_NT_PRSTATUS 1 #define LINUX_PTRACE_O_MASK (LINUX_PTRACE_O_TRACESYSGOOD | \ LINUX_PTRACE_O_TRACEFORK | LINUX_PTRACE_O_TRACEVFORK | \ LINUX_PTRACE_O_TRACECLONE | LINUX_PTRACE_O_TRACEEXEC | \ LINUX_PTRACE_O_TRACEVFORKDONE | LINUX_PTRACE_O_TRACEEXIT | \ LINUX_PTRACE_O_TRACESECCOMP | LINUX_PTRACE_O_EXITKILL | \ LINUX_PTRACE_O_SUSPEND_SECCOMP) static int map_signum(int lsig, int *bsigp) { int bsig; if (lsig == 0) { *bsigp = 0; return (0); } if (lsig < 0 || lsig > LINUX_SIGRTMAX) return (EINVAL); bsig = linux_to_bsd_signal(lsig); if (bsig == SIGSTOP) bsig = 0; *bsigp = bsig; return (0); } struct linux_pt_reg { l_ulong r15; l_ulong r14; l_ulong r13; l_ulong r12; l_ulong rbp; l_ulong rbx; l_ulong r11; l_ulong r10; l_ulong r9; l_ulong r8; l_ulong rax; l_ulong rcx; l_ulong rdx; l_ulong rsi; l_ulong rdi; l_ulong orig_rax; l_ulong rip; l_ulong cs; l_ulong eflags; l_ulong rsp; l_ulong ss; }; /* * Translate amd64 ptrace registers between Linux and FreeBSD formats. * The translation is pretty straighforward, for all registers but * orig_rax on Linux side and r_trapno and r_err in FreeBSD. */ static void map_regs_to_linux(struct reg *b_reg, struct linux_pt_reg *l_reg) { l_reg->r15 = b_reg->r_r15; l_reg->r14 = b_reg->r_r14; l_reg->r13 = b_reg->r_r13; l_reg->r12 = b_reg->r_r12; l_reg->rbp = b_reg->r_rbp; l_reg->rbx = b_reg->r_rbx; l_reg->r11 = b_reg->r_r11; l_reg->r10 = b_reg->r_r10; l_reg->r9 = b_reg->r_r9; l_reg->r8 = b_reg->r_r8; l_reg->rax = b_reg->r_rax; l_reg->rcx = b_reg->r_rcx; l_reg->rdx = b_reg->r_rdx; l_reg->rsi = b_reg->r_rsi; l_reg->rdi = b_reg->r_rdi; l_reg->orig_rax = b_reg->r_rax; l_reg->rip = b_reg->r_rip; l_reg->cs = b_reg->r_cs; l_reg->eflags = b_reg->r_rflags; l_reg->rsp = b_reg->r_rsp; l_reg->ss = b_reg->r_ss; } static void map_regs_from_linux(struct reg *b_reg, struct linux_pt_reg *l_reg) { b_reg->r_r15 = l_reg->r15; b_reg->r_r14 = l_reg->r14; b_reg->r_r13 = l_reg->r13; b_reg->r_r12 = l_reg->r12; b_reg->r_r11 = l_reg->r11; b_reg->r_r10 = l_reg->r10; b_reg->r_r9 = l_reg->r9; b_reg->r_r8 = l_reg->r8; b_reg->r_rdi = l_reg->rdi; b_reg->r_rsi = l_reg->rsi; b_reg->r_rbp = l_reg->rbp; b_reg->r_rbx = l_reg->rbx; b_reg->r_rdx = l_reg->rdx; b_reg->r_rcx = l_reg->rcx; b_reg->r_rax = l_reg->rax; /* * XXX: Are zeroes the right thing to put here? */ b_reg->r_trapno = 0; b_reg->r_fs = 0; b_reg->r_gs = 0; b_reg->r_err = 0; b_reg->r_es = 0; b_reg->r_ds = 0; b_reg->r_rip = l_reg->rip; b_reg->r_cs = l_reg->cs; b_reg->r_rflags = l_reg->eflags; b_reg->r_rsp = l_reg->rsp; b_reg->r_ss = l_reg->ss; } static int linux_ptrace_peek(struct thread *td, pid_t pid, void *addr, void *data) { int error; error = kern_ptrace(td, PT_READ_I, pid, addr, 0); if (error == 0) error = copyout(td->td_retval, data, sizeof(l_int)); td->td_retval[0] = error; return (error); } static int linux_ptrace_setoptions(struct thread *td, pid_t pid, l_ulong data) { int mask; mask = 0; if (data & ~LINUX_PTRACE_O_MASK) { printf("%s: unknown ptrace option %lx set; " "returning EINVAL\n", __func__, data & ~LINUX_PTRACE_O_MASK); return (EINVAL); } /* * PTRACE_O_EXITKILL is ignored, we do that by default. */ if (data & LINUX_PTRACE_O_TRACESYSGOOD) { printf("%s: PTRACE_O_TRACESYSGOOD not implemented; " "returning EINVAL\n", __func__); return (EINVAL); } if (data & LINUX_PTRACE_O_TRACEFORK) mask |= PTRACE_FORK; - if (data & LINUX_PTRACE_O_TRACEVFORK) + if (data & LINUX_PTRACE_O_TRACEVFORK) mask |= PTRACE_VFORK; if (data & LINUX_PTRACE_O_TRACECLONE) mask |= PTRACE_VFORK; if (data & LINUX_PTRACE_O_TRACEEXEC) mask |= PTRACE_EXEC; if (data & LINUX_PTRACE_O_TRACEVFORKDONE) mask |= PTRACE_VFORK; /* XXX: Close enough? */ if (data & LINUX_PTRACE_O_TRACEEXIT) { printf("%s: PTRACE_O_TRACEEXIT not implemented; " "returning EINVAL\n", __func__); return (EINVAL); } return (kern_ptrace(td, PT_SET_EVENT_MASK, pid, &mask, sizeof(mask))); } static int linux_ptrace_getregs(struct thread *td, pid_t pid, void *data) { struct ptrace_lwpinfo lwpinfo; struct reg b_reg; struct linux_pt_reg l_reg; int error; error = kern_ptrace(td, PT_GETREGS, pid, &b_reg, 0); if (error != 0) return (error); map_regs_to_linux(&b_reg, &l_reg); /* * The strace(1) utility depends on RAX being set to -ENOSYS * on syscall entry. */ error = kern_ptrace(td, PT_LWPINFO, pid, &lwpinfo, sizeof(lwpinfo)); if (error != 0) { printf("%s: PT_LWPINFO failed with error %d\n", __func__, error); return (error); } if (lwpinfo.pl_flags & PL_FLAG_SCE) l_reg.rax = -38; // XXX: Don't hardcode? error = copyout(&l_reg, (void *)data, sizeof(l_reg)); return (error); } static int linux_ptrace_setregs(struct thread *td, pid_t pid, void *data) { struct reg b_reg; struct linux_pt_reg l_reg; int error; error = copyin(data, &l_reg, sizeof(l_reg)); if (error != 0) return (error); map_regs_from_linux(&b_reg, &l_reg); error = kern_ptrace(td, PT_SETREGS, pid, &b_reg, 0); return (error); } static int linux_ptrace_getregset(struct thread *td, pid_t pid, l_ulong addr, l_ulong data) { switch (addr) { case LINUX_NT_PRSTATUS: printf("%s: NT_PRSTATUS not implemented; returning EINVAL\n", __func__); return (EINVAL); default: printf("%s: PTRACE_GETREGSET request %ld not implemented; " "returning EINVAL\n", __func__, addr); return (EINVAL); } } static int linux_ptrace_seize(struct thread *td, pid_t pid, l_ulong addr, l_ulong data) { printf("%s: PTRACE_SEIZE not implemented; returning EINVAL\n", __func__); return (EINVAL); } int linux_ptrace(struct thread *td, struct linux_ptrace_args *uap) { void *addr; pid_t pid; int error, sig; pid = (pid_t)uap->pid; addr = (void *)uap->addr; switch (uap->req) { case LINUX_PTRACE_TRACEME: error = kern_ptrace(td, PT_TRACE_ME, 0, 0, 0); break; case LINUX_PTRACE_PEEKTEXT: case LINUX_PTRACE_PEEKDATA: error = linux_ptrace_peek(td, pid, addr, (void *)uap->data); if (error != 0) return (error); /* * Linux expects this syscall to read 64 bits, not 32. */ error = linux_ptrace_peek(td, pid, (void *)(uap->addr + 4), (void *)(uap->data + 4)); break; case LINUX_PTRACE_POKETEXT: error = kern_ptrace(td, PT_WRITE_I, pid, addr, uap->data); break; case LINUX_PTRACE_POKEDATA: error = kern_ptrace(td, PT_WRITE_D, pid, addr, uap->data); break; case LINUX_PTRACE_CONT: error = map_signum(uap->data, &sig); if (error != 0) break; error = kern_ptrace(td, PT_CONTINUE, pid, (void *)1, sig); break; case LINUX_PTRACE_KILL: error = kern_ptrace(td, PT_KILL, pid, addr, uap->data); break; case LINUX_PTRACE_SINGLESTEP: error = map_signum(uap->data, &sig); if (error != 0) break; error = kern_ptrace(td, PT_STEP, pid, (void *)1, sig); break; case LINUX_PTRACE_GETREGS: error = linux_ptrace_getregs(td, pid, (void *)uap->data); break; case LINUX_PTRACE_SETREGS: error = linux_ptrace_setregs(td, pid, (void *)uap->data); break; case LINUX_PTRACE_ATTACH: error = kern_ptrace(td, PT_ATTACH, pid, addr, uap->data); break; case LINUX_PTRACE_DETACH: error = map_signum(uap->data, &sig); if (error != 0) break; error = kern_ptrace(td, PT_DETACH, pid, (void *)1, sig); break; case LINUX_PTRACE_SYSCALL: error = map_signum(uap->data, &sig); if (error != 0) break; error = kern_ptrace(td, PT_SYSCALL, pid, (void *)1, sig); break; case LINUX_PTRACE_SETOPTIONS: error = linux_ptrace_setoptions(td, pid, uap->data); break; case LINUX_PTRACE_GETREGSET: error = linux_ptrace_getregset(td, pid, uap->addr, uap->data); break; case LINUX_PTRACE_SEIZE: error = linux_ptrace_seize(td, pid, uap->addr, uap->data); break; default: printf("%s: ptrace(%ld, ...) not implemented; returning EINVAL\n", __func__, uap->req); error = EINVAL; break; } return (error); } Index: head/sys/amd64/linux/linux_sysvec.c =================================================================== --- head/sys/amd64/linux/linux_sysvec.c (revision 328889) +++ head/sys/amd64/linux/linux_sysvec.c (revision 328890) @@ -1,1004 +1,1004 @@ /*- * Copyright (c) 2013 Dmitry Chagin * Copyright (c) 2004 Tim J. Robbins * Copyright (c) 2003 Peter Wemm * Copyright (c) 2002 Doug Rabson * Copyright (c) 1998-1999 Andrew Gallatin * Copyright (c) 1994-1996 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include "opt_compat.h" #define __ELF_WORD_SIZE 64 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include MODULE_VERSION(linux64, 1); #if BYTE_ORDER == LITTLE_ENDIAN #define SHELLMAGIC 0x2123 /* #! */ #else #define SHELLMAGIC 0x2321 #endif #if defined(DEBUG) SYSCTL_PROC(_compat_linux, OID_AUTO, debug, CTLTYPE_STRING | CTLFLAG_RW, 0, 0, linux_sysctl_debug, "A", "Linux 64 debugging control"); #endif /* * Allow the this functions to use the ldebug() facility * even though they are not syscalls themselves. Map them * to syscall 0. This is slightly less bogus than using * ldebug(sigreturn). */ #define LINUX_SYS_linux_rt_sendsig 0 const char *linux_kplatform; static int linux_szsigcode; static vm_object_t linux_shared_page_obj; static char *linux_shared_page_mapping; extern char _binary_linux_locore_o_start; extern char _binary_linux_locore_o_end; extern struct sysent linux_sysent[LINUX_SYS_MAXSYSCALL]; SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler); static register_t * linux_copyout_strings(struct image_params *imgp); static int elf_linux_fixup(register_t **stack_base, struct image_params *iparams); static boolean_t linux_trans_osrel(const Elf_Note *note, int32_t *osrel); static void linux_vdso_install(void *param); static void linux_vdso_deinstall(void *param); static void linux_set_syscall_retval(struct thread *td, int error); static int linux_fetch_syscall_args(struct thread *td); static void linux_exec_setregs(struct thread *td, struct image_params *imgp, u_long stack); static int linux_vsyscall(struct thread *td); /* * Linux syscalls return negative errno's, we do positive and map them * Reference: * FreeBSD: src/sys/sys/errno.h * Linux: linux-2.6.17.8/include/asm-generic/errno-base.h * linux-2.6.17.8/include/asm-generic/errno.h */ static int bsd_to_linux_errno[ELAST + 1] = { -0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -35, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23, -24, -25, -26, -27, -28, -29, -30, -31, -32, -33, -34, -11,-115,-114, -88, -89, -90, -91, -92, -93, -94, -95, -96, -97, -98, -99, -100,-101,-102,-103,-104,-105,-106,-107,-108,-109, -110,-111, -40, -36,-112,-113, -39, -11, -87,-122, -116, -66, -6, -6, -6, -6, -6, -37, -38, -9, -6, -6, -43, -42, -75,-125, -84, -61, -16, -74, -72, -67, -71 }; #define LINUX_T_UNKNOWN 255 static int _bsd_to_linux_trapcode[] = { LINUX_T_UNKNOWN, /* 0 */ 6, /* 1 T_PRIVINFLT */ LINUX_T_UNKNOWN, /* 2 */ 3, /* 3 T_BPTFLT */ LINUX_T_UNKNOWN, /* 4 */ LINUX_T_UNKNOWN, /* 5 */ 16, /* 6 T_ARITHTRAP */ 254, /* 7 T_ASTFLT */ LINUX_T_UNKNOWN, /* 8 */ 13, /* 9 T_PROTFLT */ 1, /* 10 T_TRCTRAP */ LINUX_T_UNKNOWN, /* 11 */ 14, /* 12 T_PAGEFLT */ LINUX_T_UNKNOWN, /* 13 */ 17, /* 14 T_ALIGNFLT */ LINUX_T_UNKNOWN, /* 15 */ LINUX_T_UNKNOWN, /* 16 */ LINUX_T_UNKNOWN, /* 17 */ 0, /* 18 T_DIVIDE */ 2, /* 19 T_NMI */ 4, /* 20 T_OFLOW */ 5, /* 21 T_BOUND */ 7, /* 22 T_DNA */ 8, /* 23 T_DOUBLEFLT */ 9, /* 24 T_FPOPFLT */ 10, /* 25 T_TSSFLT */ 11, /* 26 T_SEGNPFLT */ 12, /* 27 T_STKFLT */ 18, /* 28 T_MCHK */ 19, /* 29 T_XMMFLT */ 15 /* 30 T_RESERVED */ }; #define bsd_to_linux_trapcode(code) \ ((code)td_proc; frame = td->td_frame; sa = &td->td_sa; sa->args[0] = frame->tf_rdi; sa->args[1] = frame->tf_rsi; sa->args[2] = frame->tf_rdx; sa->args[3] = frame->tf_rcx; sa->args[4] = frame->tf_r8; sa->args[5] = frame->tf_r9; sa->code = frame->tf_rax; if (sa->code >= p->p_sysent->sv_size) /* nosys */ sa->callp = &p->p_sysent->sv_table[p->p_sysent->sv_size - 1]; else sa->callp = &p->p_sysent->sv_table[sa->code]; sa->narg = sa->callp->sy_narg; td->td_retval[0] = 0; return (0); } static void linux_set_syscall_retval(struct thread *td, int error) { struct trapframe *frame = td->td_frame; /* * On Linux only %rcx and %r11 values are not preserved across * the syscall. * So, do not clobber %rdx and %r10 */ td->td_retval[1] = frame->tf_rdx; frame->tf_r10 = frame->tf_rcx; cpu_set_syscall_retval(td, error); /* Restore all registers. */ set_pcb_flags(td->td_pcb, PCB_FULL_IRET); } static int elf_linux_fixup(register_t **stack_base, struct image_params *imgp) { Elf_Auxargs *args; Elf_Addr *base; Elf_Addr *pos; struct ps_strings *arginfo; struct proc *p; int issetugid; p = imgp->proc; arginfo = (struct ps_strings *)p->p_sysent->sv_psstrings; KASSERT(curthread->td_proc == imgp->proc, ("unsafe elf_linux_fixup(), should be curproc")); base = (Elf64_Addr *)*stack_base; args = (Elf64_Auxargs *)imgp->auxargs; pos = base + (imgp->args->argc + imgp->args->envc + 2); issetugid = p->p_flag & P_SUGID ? 1 : 0; AUXARGS_ENTRY(pos, LINUX_AT_SYSINFO_EHDR, imgp->proc->p_sysent->sv_shared_page_base); AUXARGS_ENTRY(pos, LINUX_AT_HWCAP, cpu_feature); AUXARGS_ENTRY(pos, LINUX_AT_CLKTCK, stclohz); AUXARGS_ENTRY(pos, AT_PHDR, args->phdr); AUXARGS_ENTRY(pos, AT_PHENT, args->phent); AUXARGS_ENTRY(pos, AT_PHNUM, args->phnum); AUXARGS_ENTRY(pos, AT_PAGESZ, args->pagesz); AUXARGS_ENTRY(pos, AT_BASE, args->base); AUXARGS_ENTRY(pos, AT_FLAGS, args->flags); AUXARGS_ENTRY(pos, AT_ENTRY, args->entry); AUXARGS_ENTRY(pos, AT_UID, imgp->proc->p_ucred->cr_ruid); AUXARGS_ENTRY(pos, AT_EUID, imgp->proc->p_ucred->cr_svuid); AUXARGS_ENTRY(pos, AT_GID, imgp->proc->p_ucred->cr_rgid); AUXARGS_ENTRY(pos, AT_EGID, imgp->proc->p_ucred->cr_svgid); AUXARGS_ENTRY(pos, LINUX_AT_SECURE, issetugid); AUXARGS_ENTRY(pos, LINUX_AT_PLATFORM, PTROUT(linux_platform)); AUXARGS_ENTRY(pos, LINUX_AT_RANDOM, imgp->canary); if (imgp->execpathp != 0) AUXARGS_ENTRY(pos, LINUX_AT_EXECFN, imgp->execpathp); if (args->execfd != -1) AUXARGS_ENTRY(pos, AT_EXECFD, args->execfd); AUXARGS_ENTRY(pos, AT_NULL, 0); free(imgp->auxargs, M_TEMP); imgp->auxargs = NULL; base--; suword(base, (uint64_t)imgp->args->argc); *stack_base = (register_t *)base; return (0); } /* * Copy strings out to the new process address space, constructing new arg * and env vector tables. Return a pointer to the base so that it can be used * as the initial stack pointer. */ static register_t * linux_copyout_strings(struct image_params *imgp) { int argc, envc; char **vectp; char *stringp, *destp; register_t *stack_base; struct ps_strings *arginfo; char canary[LINUX_AT_RANDOM_LEN]; size_t execpath_len; struct proc *p; /* * Calculate string base and vector table pointers. */ if (imgp->execpath != NULL && imgp->auxargs != NULL) execpath_len = strlen(imgp->execpath) + 1; else execpath_len = 0; p = imgp->proc; arginfo = (struct ps_strings *)p->p_sysent->sv_psstrings; destp = (caddr_t)arginfo - SPARE_USRSPACE - roundup(sizeof(canary), sizeof(char *)) - roundup(execpath_len, sizeof(char *)) - roundup(ARG_MAX - imgp->args->stringspace, sizeof(char *)); if (execpath_len != 0) { imgp->execpathp = (uintptr_t)arginfo - execpath_len; copyout(imgp->execpath, (void *)imgp->execpathp, execpath_len); } /* * Prepare the canary for SSP. */ arc4rand(canary, sizeof(canary), 0); imgp->canary = (uintptr_t)arginfo - roundup(execpath_len, sizeof(char *)) - roundup(sizeof(canary), sizeof(char *)); copyout(canary, (void *)imgp->canary, sizeof(canary)); /* * If we have a valid auxargs ptr, prepare some room * on the stack. */ if (imgp->auxargs) { /* * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for * lower compatibility. */ imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size : (LINUX_AT_COUNT * 2); /* * The '+ 2' is for the null pointers at the end of each of * the arg and env vector sets,and imgp->auxarg_size is room * for argument of Runtime loader. */ vectp = (char **)(destp - (imgp->args->argc + imgp->args->envc + 2 + imgp->auxarg_size) * sizeof(char *)); } else { /* * The '+ 2' is for the null pointers at the end of each of * the arg and env vector sets */ vectp = (char **)(destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(char *)); } /* * vectp also becomes our initial stack base */ stack_base = (register_t *)vectp; stringp = imgp->args->begin_argv; argc = imgp->args->argc; envc = imgp->args->envc; /* * Copy out strings - arguments and environment. */ copyout(stringp, destp, ARG_MAX - imgp->args->stringspace); /* * Fill in "ps_strings" struct for ps, w, etc. */ suword(&arginfo->ps_argvstr, (long)(intptr_t)vectp); suword(&arginfo->ps_nargvstr, argc); /* * Fill in argument portion of vector table. */ for (; argc > 0; --argc) { suword(vectp++, (long)(intptr_t)destp); while (*stringp++ != 0) destp++; destp++; } /* a null vector table pointer separates the argp's from the envp's */ suword(vectp++, 0); suword(&arginfo->ps_envstr, (long)(intptr_t)vectp); suword(&arginfo->ps_nenvstr, envc); /* * Fill in environment portion of vector table. */ for (; envc > 0; --envc) { suword(vectp++, (long)(intptr_t)destp); while (*stringp++ != 0) destp++; destp++; } /* end of vector table is a null pointer */ suword(vectp, 0); return (stack_base); } /* * Reset registers to default values on exec. */ static void linux_exec_setregs(struct thread *td, struct image_params *imgp, u_long stack) { struct trapframe *regs = td->td_frame; struct pcb *pcb = td->td_pcb; if (td->td_proc->p_md.md_ldt != NULL) user_ldt_free(td); pcb->pcb_fsbase = 0; pcb->pcb_gsbase = 0; clear_pcb_flags(pcb, PCB_32BIT); pcb->pcb_initial_fpucw = __LINUX_NPXCW__; set_pcb_flags(pcb, PCB_FULL_IRET); bzero((char *)regs, sizeof(struct trapframe)); regs->tf_rip = imgp->entry_addr; regs->tf_rsp = stack; regs->tf_rflags = PSL_USER | (regs->tf_rflags & PSL_T); regs->tf_ss = _udatasel; regs->tf_cs = _ucodesel; regs->tf_ds = _udatasel; regs->tf_es = _udatasel; regs->tf_fs = _ufssel; regs->tf_gs = _ugssel; regs->tf_flags = TF_HASSEGS; /* * Reset the hardware debug registers if they were in use. * They won't have any meaning for the newly exec'd process. */ if (pcb->pcb_flags & PCB_DBREGS) { pcb->pcb_dr0 = 0; pcb->pcb_dr1 = 0; pcb->pcb_dr2 = 0; pcb->pcb_dr3 = 0; pcb->pcb_dr6 = 0; pcb->pcb_dr7 = 0; if (pcb == curpcb) { /* * Clear the debug registers on the running * CPU, otherwise they will end up affecting * the next process we switch to. */ reset_dbregs(); } clear_pcb_flags(pcb, PCB_DBREGS); } /* * Drop the FP state if we hold it, so that the process gets a * clean FP state if it uses the FPU again. */ fpstate_drop(td); } /* * Copied from amd64/amd64/machdep.c * * XXX fpu state need? don't think so */ int linux_rt_sigreturn(struct thread *td, struct linux_rt_sigreturn_args *args) { struct proc *p; struct l_ucontext uc; struct l_sigcontext *context; struct trapframe *regs; unsigned long rflags; int error; ksiginfo_t ksi; regs = td->td_frame; error = copyin((void *)regs->tf_rbx, &uc, sizeof(uc)); if (error != 0) return (error); p = td->td_proc; context = &uc.uc_mcontext; rflags = context->sc_rflags; /* * Don't allow users to change privileged or reserved flags. */ /* * XXX do allow users to change the privileged flag PSL_RF. * The cpu sets PSL_RF in tf_rflags for faults. Debuggers * should sometimes set it there too. tf_rflags is kept in * the signal context during signal handling and there is no * other place to remember it, so the PSL_RF bit may be * corrupted by the signal handler without us knowing. * Corruption of the PSL_RF bit at worst causes one more or * one less debugger trap, so allowing it is fairly harmless. */ #define RFLAG_SECURE(ef, oef) ((((ef) ^ (oef)) & ~PSL_USERCHANGE) == 0) if (!RFLAG_SECURE(rflags & ~PSL_RF, regs->tf_rflags & ~PSL_RF)) { printf("linux_rt_sigreturn: rflags = 0x%lx\n", rflags); return (EINVAL); } /* * Don't allow users to load a valid privileged %cs. Let the * hardware check for invalid selectors, excess privilege in * other selectors, invalid %eip's and invalid %esp's. */ #define CS_SECURE(cs) (ISPL(cs) == SEL_UPL) if (!CS_SECURE(context->sc_cs)) { printf("linux_rt_sigreturn: cs = 0x%x\n", context->sc_cs); ksiginfo_init_trap(&ksi); ksi.ksi_signo = SIGBUS; ksi.ksi_code = BUS_OBJERR; ksi.ksi_trapno = T_PROTFLT; ksi.ksi_addr = (void *)regs->tf_rip; trapsignal(td, &ksi); return (EINVAL); } PROC_LOCK(p); linux_to_bsd_sigset(&uc.uc_sigmask, &td->td_sigmask); SIG_CANTMASK(td->td_sigmask); signotify(td); PROC_UNLOCK(p); regs->tf_rdi = context->sc_rdi; regs->tf_rsi = context->sc_rsi; regs->tf_rdx = context->sc_rdx; regs->tf_rbp = context->sc_rbp; regs->tf_rbx = context->sc_rbx; regs->tf_rcx = context->sc_rcx; regs->tf_rax = context->sc_rax; regs->tf_rip = context->sc_rip; regs->tf_rsp = context->sc_rsp; regs->tf_r8 = context->sc_r8; regs->tf_r9 = context->sc_r9; regs->tf_r10 = context->sc_r10; regs->tf_r11 = context->sc_r11; regs->tf_r12 = context->sc_r12; regs->tf_r13 = context->sc_r13; regs->tf_r14 = context->sc_r14; regs->tf_r15 = context->sc_r15; regs->tf_cs = context->sc_cs; regs->tf_err = context->sc_err; regs->tf_rflags = rflags; set_pcb_flags(td->td_pcb, PCB_FULL_IRET); return (EJUSTRETURN); } /* * copied from amd64/amd64/machdep.c * * Send an interrupt to process. */ static void linux_rt_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask) { struct l_rt_sigframe sf, *sfp; struct proc *p; struct thread *td; struct sigacts *psp; caddr_t sp; struct trapframe *regs; int sig, code; int oonstack; td = curthread; p = td->td_proc; PROC_LOCK_ASSERT(p, MA_OWNED); sig = ksi->ksi_signo; psp = p->p_sigacts; code = ksi->ksi_code; mtx_assert(&psp->ps_mtx, MA_OWNED); regs = td->td_frame; oonstack = sigonstack(regs->tf_rsp); LINUX_CTR4(rt_sendsig, "%p, %d, %p, %u", catcher, sig, mask, code); /* Allocate space for the signal handler context. */ if ((td->td_pflags & TDP_ALTSTACK) != 0 && !oonstack && SIGISMEMBER(psp->ps_sigonstack, sig)) { sp = (caddr_t)td->td_sigstk.ss_sp + td->td_sigstk.ss_size - sizeof(struct l_rt_sigframe); } else sp = (caddr_t)regs->tf_rsp - sizeof(struct l_rt_sigframe) - 128; /* Align to 16 bytes. */ sfp = (struct l_rt_sigframe *)((unsigned long)sp & ~0xFul); mtx_unlock(&psp->ps_mtx); /* Translate the signal. */ sig = bsd_to_linux_signal(sig); /* Save user context. */ bzero(&sf, sizeof(sf)); bsd_to_linux_sigset(mask, &sf.sf_sc.uc_sigmask); bsd_to_linux_sigset(mask, &sf.sf_sc.uc_mcontext.sc_mask); sf.sf_sc.uc_stack.ss_sp = PTROUT(td->td_sigstk.ss_sp); sf.sf_sc.uc_stack.ss_size = td->td_sigstk.ss_size; sf.sf_sc.uc_stack.ss_flags = (td->td_pflags & TDP_ALTSTACK) ? ((oonstack) ? LINUX_SS_ONSTACK : 0) : LINUX_SS_DISABLE; PROC_UNLOCK(p); sf.sf_sc.uc_mcontext.sc_rdi = regs->tf_rdi; sf.sf_sc.uc_mcontext.sc_rsi = regs->tf_rsi; sf.sf_sc.uc_mcontext.sc_rdx = regs->tf_rdx; sf.sf_sc.uc_mcontext.sc_rbp = regs->tf_rbp; sf.sf_sc.uc_mcontext.sc_rbx = regs->tf_rbx; sf.sf_sc.uc_mcontext.sc_rcx = regs->tf_rcx; sf.sf_sc.uc_mcontext.sc_rax = regs->tf_rax; sf.sf_sc.uc_mcontext.sc_rip = regs->tf_rip; sf.sf_sc.uc_mcontext.sc_rsp = regs->tf_rsp; sf.sf_sc.uc_mcontext.sc_r8 = regs->tf_r8; sf.sf_sc.uc_mcontext.sc_r9 = regs->tf_r9; sf.sf_sc.uc_mcontext.sc_r10 = regs->tf_r10; sf.sf_sc.uc_mcontext.sc_r11 = regs->tf_r11; sf.sf_sc.uc_mcontext.sc_r12 = regs->tf_r12; sf.sf_sc.uc_mcontext.sc_r13 = regs->tf_r13; sf.sf_sc.uc_mcontext.sc_r14 = regs->tf_r14; sf.sf_sc.uc_mcontext.sc_r15 = regs->tf_r15; sf.sf_sc.uc_mcontext.sc_cs = regs->tf_cs; sf.sf_sc.uc_mcontext.sc_rflags = regs->tf_rflags; sf.sf_sc.uc_mcontext.sc_err = regs->tf_err; sf.sf_sc.uc_mcontext.sc_trapno = bsd_to_linux_trapcode(code); sf.sf_sc.uc_mcontext.sc_cr2 = (register_t)ksi->ksi_addr; /* Build the argument list for the signal handler. */ regs->tf_rdi = sig; /* arg 1 in %rdi */ regs->tf_rax = 0; regs->tf_rsi = (register_t)&sfp->sf_si; /* arg 2 in %rsi */ regs->tf_rdx = (register_t)&sfp->sf_sc; /* arg 3 in %rdx */ sf.sf_handler = catcher; /* Fill in POSIX parts */ ksiginfo_to_lsiginfo(ksi, &sf.sf_si, sig); /* * Copy the sigframe out to the user's stack. */ if (copyout(&sf, sfp, sizeof(*sfp)) != 0) { #ifdef DEBUG printf("process %ld has trashed its stack\n", (long)p->p_pid); #endif PROC_LOCK(p); sigexit(td, SIGILL); } regs->tf_rsp = (long)sfp; regs->tf_rip = linux_rt_sigcode; regs->tf_rflags &= ~(PSL_T | PSL_D); regs->tf_cs = _ucodesel; set_pcb_flags(td->td_pcb, PCB_FULL_IRET); PROC_LOCK(p); mtx_lock(&psp->ps_mtx); } /* * If a linux binary is exec'ing something, try this image activator * first. We override standard shell script execution in order to * be able to modify the interpreter path. We only do this if a linux * binary is doing the exec, so we do not create an EXEC module for it. */ static int exec_linux_imgact_try(struct image_params *iparams); static int exec_linux_imgact_try(struct image_params *imgp) { const char *head = (const char *)imgp->image_header; char *rpath; int error = -1; /* * The interpreter for shell scripts run from a linux binary needs * to be located in /compat/linux if possible in order to recursively * maintain linux path emulation. */ if (((const short *)head)[0] == SHELLMAGIC) { /* * Run our normal shell image activator. If it succeeds * attempt to use the alternate path for the interpreter. * If an alternate path is found, use our stringspace * to store it. */ if ((error = exec_shell_imgact(imgp)) == 0) { linux_emul_convpath(FIRST_THREAD_IN_PROC(imgp->proc), imgp->interpreter_name, UIO_SYSSPACE, &rpath, 0, AT_FDCWD); if (rpath != NULL) imgp->args->fname_buf = imgp->interpreter_name = rpath; } } return (error); } #define LINUX_VSYSCALL_START (-10UL << 20) #define LINUX_VSYSCALL_SZ 1024 const unsigned long linux_vsyscall_vector[] = { LINUX_SYS_gettimeofday, LINUX_SYS_linux_time, /* getcpu not implemented */ }; static int linux_vsyscall(struct thread *td) { struct trapframe *frame; uint64_t retqaddr; int code, traced; - int error; + int error; frame = td->td_frame; /* Check %rip for vsyscall area */ if (__predict_true(frame->tf_rip < LINUX_VSYSCALL_START)) return (EINVAL); if ((frame->tf_rip & (LINUX_VSYSCALL_SZ - 1)) != 0) return (EINVAL); code = (frame->tf_rip - LINUX_VSYSCALL_START) / LINUX_VSYSCALL_SZ; if (code >= nitems(linux_vsyscall_vector)) return (EINVAL); /* * vsyscall called as callq *(%rax), so we must * use return address from %rsp and also fixup %rsp */ error = copyin((void *)frame->tf_rsp, &retqaddr, sizeof(retqaddr)); if (error) return (error); frame->tf_rip = retqaddr; frame->tf_rax = linux_vsyscall_vector[code]; frame->tf_rsp += 8; traced = (frame->tf_flags & PSL_T); amd64_syscall(td, traced); return (0); } struct sysentvec elf_linux_sysvec = { .sv_size = LINUX_SYS_MAXSYSCALL, .sv_table = linux_sysent, .sv_mask = 0, .sv_errsize = ELAST + 1, .sv_errtbl = bsd_to_linux_errno, .sv_transtrap = translate_traps, .sv_fixup = elf_linux_fixup, .sv_sendsig = linux_rt_sendsig, .sv_sigcode = &_binary_linux_locore_o_start, .sv_szsigcode = &linux_szsigcode, .sv_name = "Linux ELF64", .sv_coredump = elf64_coredump, .sv_imgact_try = exec_linux_imgact_try, .sv_minsigstksz = LINUX_MINSIGSTKSZ, .sv_pagesize = PAGE_SIZE, .sv_minuser = VM_MIN_ADDRESS, .sv_maxuser = VM_MAXUSER_ADDRESS, .sv_usrstack = USRSTACK, .sv_psstrings = PS_STRINGS, .sv_stackprot = VM_PROT_ALL, .sv_copyout_strings = linux_copyout_strings, .sv_setregs = linux_exec_setregs, .sv_fixlimit = NULL, .sv_maxssiz = NULL, .sv_flags = SV_ABI_LINUX | SV_LP64 | SV_SHP, .sv_set_syscall_retval = linux_set_syscall_retval, .sv_fetch_syscall_args = linux_fetch_syscall_args, .sv_syscallnames = NULL, .sv_shared_page_base = SHAREDPAGE, .sv_shared_page_len = PAGE_SIZE, .sv_schedtail = linux_schedtail, .sv_thread_detach = linux_thread_detach, .sv_trap = linux_vsyscall, }; static void linux_vdso_install(void *param) { amd64_lower_shared_page(&elf_linux_sysvec); - linux_szsigcode = (&_binary_linux_locore_o_end - + linux_szsigcode = (&_binary_linux_locore_o_end - &_binary_linux_locore_o_start); if (linux_szsigcode > elf_linux_sysvec.sv_shared_page_len) panic("Linux invalid vdso size\n"); __elfN(linux_vdso_fixup)(&elf_linux_sysvec); linux_shared_page_obj = __elfN(linux_shared_page_init) (&linux_shared_page_mapping); __elfN(linux_vdso_reloc)(&elf_linux_sysvec); bcopy(elf_linux_sysvec.sv_sigcode, linux_shared_page_mapping, linux_szsigcode); elf_linux_sysvec.sv_shared_page_obj = linux_shared_page_obj; linux_kplatform = linux_shared_page_mapping + (linux_platform - (caddr_t)elf_linux_sysvec.sv_shared_page_base); } SYSINIT(elf_linux_vdso_init, SI_SUB_EXEC, SI_ORDER_ANY, (sysinit_cfunc_t)linux_vdso_install, NULL); static void linux_vdso_deinstall(void *param) { __elfN(linux_shared_page_fini)(linux_shared_page_obj); }; SYSUNINIT(elf_linux_vdso_uninit, SI_SUB_EXEC, SI_ORDER_FIRST, (sysinit_cfunc_t)linux_vdso_deinstall, NULL); static char GNULINUX_ABI_VENDOR[] = "GNU"; static int GNULINUX_ABI_DESC = 0; static boolean_t linux_trans_osrel(const Elf_Note *note, int32_t *osrel) { const Elf32_Word *desc; uintptr_t p; p = (uintptr_t)(note + 1); p += roundup2(note->n_namesz, sizeof(Elf32_Addr)); desc = (const Elf32_Word *)p; if (desc[0] != GNULINUX_ABI_DESC) return (FALSE); /* * For linux we encode osrel as follows (see linux_mib.c): * VVVMMMIII (version, major, minor), see linux_mib.c. */ *osrel = desc[1] * 1000000 + desc[2] * 1000 + desc[3]; return (TRUE); } static Elf_Brandnote linux64_brandnote = { .hdr.n_namesz = sizeof(GNULINUX_ABI_VENDOR), .hdr.n_descsz = 16, .hdr.n_type = 1, .vendor = GNULINUX_ABI_VENDOR, .flags = BN_TRANSLATE_OSREL, .trans_osrel = linux_trans_osrel }; static Elf64_Brandinfo linux_glibc2brand = { .brand = ELFOSABI_LINUX, .machine = EM_X86_64, .compat_3_brand = "Linux", .emul_path = "/compat/linux", .interp_path = "/lib64/ld-linux-x86-64.so.2", .sysvec = &elf_linux_sysvec, .interp_newpath = NULL, .brand_note = &linux64_brandnote, .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE }; static Elf64_Brandinfo linux_glibc2brandshort = { .brand = ELFOSABI_LINUX, .machine = EM_X86_64, .compat_3_brand = "Linux", .emul_path = "/compat/linux", .interp_path = "/lib64/ld-linux.so.2", .sysvec = &elf_linux_sysvec, .interp_newpath = NULL, .brand_note = &linux64_brandnote, .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE }; static Elf64_Brandinfo linux_muslbrand = { .brand = ELFOSABI_LINUX, .machine = EM_X86_64, .compat_3_brand = "Linux", .emul_path = "/compat/linux", .interp_path = "/lib/ld-musl-x86_64.so.1", .sysvec = &elf_linux_sysvec, .interp_newpath = NULL, .brand_note = &linux64_brandnote, .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE }; Elf64_Brandinfo *linux_brandlist[] = { &linux_glibc2brand, &linux_glibc2brandshort, &linux_muslbrand, NULL }; static int linux64_elf_modevent(module_t mod, int type, void *data) { Elf64_Brandinfo **brandinfo; int error; struct linux_ioctl_handler **lihp; error = 0; switch(type) { case MOD_LOAD: for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL; ++brandinfo) if (elf64_insert_brand_entry(*brandinfo) < 0) error = EINVAL; if (error == 0) { SET_FOREACH(lihp, linux_ioctl_handler_set) linux_ioctl_register_handler(*lihp); LIST_INIT(&futex_list); mtx_init(&futex_mtx, "ftllk64", NULL, MTX_DEF); stclohz = (stathz ? stathz : hz); if (bootverbose) printf("Linux x86-64 ELF exec handler installed\n"); } else printf("cannot insert Linux x86-64 ELF brand handler\n"); break; case MOD_UNLOAD: for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL; ++brandinfo) if (elf64_brand_inuse(*brandinfo)) error = EBUSY; if (error == 0) { for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL; ++brandinfo) if (elf64_remove_brand_entry(*brandinfo) < 0) error = EINVAL; } if (error == 0) { SET_FOREACH(lihp, linux_ioctl_handler_set) linux_ioctl_unregister_handler(*lihp); mtx_destroy(&futex_mtx); if (bootverbose) printf("Linux ELF exec handler removed\n"); } else printf("Could not deinstall ELF interpreter entry\n"); break; default: return (EOPNOTSUPP); } return (error); } static moduledata_t linux64_elf_mod = { "linux64elf", linux64_elf_modevent, 0 }; DECLARE_MODULE_TIED(linux64elf, linux64_elf_mod, SI_SUB_EXEC, SI_ORDER_ANY); MODULE_DEPEND(linux64elf, linux_common, 1, 1, 1); FEATURE(linux64, "Linux 64bit support"); Index: head/sys/amd64/linux/syscalls.master =================================================================== --- head/sys/amd64/linux/syscalls.master (revision 328889) +++ head/sys/amd64/linux/syscalls.master (revision 328890) @@ -1,601 +1,601 @@ $FreeBSD$ ; @(#)syscalls.master 8.1 (Berkeley) 7/19/93 ; System call name/number master file (or rather, slave, from LINUX). ; Processed to create linux_sysent.c, linux_proto.h and linux_syscall.h. ; Columns: number audit type nargs name alt{name,tag,rtyp}/comments ; number system call number, must be in order ; audit the audit event associated with the system call ; A value of AUE_NULL means no auditing, but it also means that ; there is no audit event for the call at this time. For the ; case where the event exists, but we don't want auditing, the ; event should be #defined to AUE_NULL in audit_kevents.h. ; type one of STD, NOPROTO, UNIMPL ; name psuedo-prototype of syscall routine ; If one of the following alts is different, then all appear: ; altname name of system call if different ; alttag name of args struct tag if different from [o]`name'"_args" ; altrtyp return type if not int (bogus - syscalls always return int) ; for UNIMPL, name continues with comments ; types: ; STD always included ; UNIMPL not implemented, placeholder only ; NOPROTO same as STD except do not create structure or ; function prototype in sys/sysproto.h. Does add a ; definition to syscall.h besides adding a sysent. #include #include #include #include #include #include ; Isn't pretty, but there seems to be no other way to trap nosys #define nosys linux_nosys ; #ifdef's, etc. may be included, and are copied to the output files. 0 AUE_NULL NOPROTO { int read(int fd, char *buf, \ u_int nbyte); } 1 AUE_NULL NOPROTO { int write(int fd, char *buf, \ u_int nbyte); } 2 AUE_OPEN_RWTC STD { int linux_open(char *path, l_int flags, \ l_int mode); } 3 AUE_CLOSE NOPROTO { int close(int fd); } 4 AUE_STAT STD { int linux_newstat(char *path, \ struct l_newstat *buf); } 5 AUE_FSTAT STD { int linux_newfstat(l_uint fd, \ struct l_newstat *buf); } 6 AUE_LSTAT STD { int linux_newlstat(char *path, \ struct l_newstat *buf); } 7 AUE_POLL NOPROTO { int poll(struct pollfd *fds, u_int nfds, \ int timeout); } 8 AUE_LSEEK STD { int linux_lseek(l_uint fdes, l_off_t off, \ l_int whence); } 9 AUE_MMAP STD { int linux_mmap2(l_ulong addr, l_ulong len, \ l_ulong prot, l_ulong flags, l_ulong fd, \ l_ulong pgoff); } 10 AUE_MPROTECT STD { int linux_mprotect(caddr_t addr, int len, \ int prot); } 11 AUE_MUNMAP NOPROTO { int munmap(caddr_t addr, int len); } 12 AUE_NULL STD { int linux_brk(l_ulong dsend); } 13 AUE_NULL STD { int linux_rt_sigaction(l_int sig, \ l_sigaction_t *act, l_sigaction_t *oact, \ l_size_t sigsetsize); } 14 AUE_NULL STD { int linux_rt_sigprocmask(l_int how, \ l_sigset_t *mask, l_sigset_t *omask, \ l_size_t sigsetsize); } 15 AUE_NULL STD { int linux_rt_sigreturn( \ struct l_ucontext *ucp); } 16 AUE_IOCTL STD { int linux_ioctl(l_uint fd, l_uint cmd, \ uintptr_t arg); } 17 AUE_PREAD STD { int linux_pread(l_uint fd, char *buf, \ l_size_t nbyte, l_loff_t offset); } 18 AUE_PWRITE STD { int linux_pwrite(l_uint fd, char *buf, \ l_size_t nbyte, l_loff_t offset); } 19 AUE_READV NOPROTO { int readv(int fd, struct iovec *iovp, \ u_int iovcnt); } 20 AUE_WRITEV NOPROTO { int writev(int fd, struct iovec *iovp, \ u_int iovcnt); } 21 AUE_ACCESS STD { int linux_access(char *path, l_int amode); } 22 AUE_PIPE STD { int linux_pipe(l_ulong *pipefds); } 23 AUE_SELECT STD { int linux_select(l_int nfds, \ l_fd_set *readfds, l_fd_set *writefds, \ l_fd_set *exceptfds, \ struct l_timeval *timeout); } 24 AUE_NULL NOPROTO { int sched_yield(void); } 25 AUE_NULL STD { int linux_mremap(l_ulong addr, \ l_ulong old_len, l_ulong new_len, \ l_ulong flags, l_ulong new_addr); } 26 AUE_MSYNC STD { int linux_msync(l_ulong addr, \ l_size_t len, l_int fl); } 27 AUE_MINCORE STD { int linux_mincore(l_ulong start, \ l_size_t len, u_char *vec); } 28 AUE_MADVISE NOPROTO { int madvise(void *addr, size_t len, \ int behav); } 29 AUE_NULL STD { int linux_shmget(l_key_t key, l_size_t size, \ l_int shmflg); } 30 AUE_NULL STD { int linux_shmat(l_int shmid, char *shmaddr, \ l_int shmflg); } 31 AUE_NULL STD { int linux_shmctl(l_int shmid, l_int cmd, \ struct l_shmid_ds *buf); } 32 AUE_DUP NOPROTO { int dup(u_int fd); } 33 AUE_DUP2 NOPROTO { int dup2(u_int from, u_int to); } 34 AUE_NULL STD { int linux_pause(void); } 35 AUE_NULL STD { int linux_nanosleep( \ const struct l_timespec *rqtp, \ struct l_timespec *rmtp); } 36 AUE_GETITIMER STD { int linux_getitimer(l_int which, \ struct l_itimerval *itv); } 37 AUE_NULL STD { int linux_alarm(l_uint secs); } 38 AUE_SETITIMER STD { int linux_setitimer(l_int which, \ struct l_itimerval *itv, \ struct l_itimerval *oitv); } 39 AUE_GETPID STD { int linux_getpid(void); } 40 AUE_SENDFILE STD { int linux_sendfile(int out, int in, \ l_long *offset, l_size_t count); } 41 AUE_SOCKET STD { int linux_socket(l_int domain, l_int type, \ l_int protocol); } 42 AUE_CONNECT STD { int linux_connect(l_int s, l_uintptr_t name, \ l_int namelen); } 43 AUE_ACCEPT STD { int linux_accept(l_int s, l_uintptr_t addr, \ l_uintptr_t namelen); } 44 AUE_SENDTO STD { int linux_sendto(l_int s, l_uintptr_t msg, \ l_int len, l_int flags, l_uintptr_t to, \ l_int tolen); } 45 AUE_RECVFROM STD { int linux_recvfrom(l_int s, l_uintptr_t buf, \ l_size_t len, l_int flags, l_uintptr_t from, \ l_uintptr_t fromlen); } 46 AUE_SENDMSG STD { int linux_sendmsg(l_int s, l_uintptr_t msg, \ l_int flags); } 47 AUE_RECVMSG STD { int linux_recvmsg(l_int s, l_uintptr_t msg, \ l_int flags); } 48 AUE_NULL STD { int linux_shutdown(l_int s, l_int how); } 49 AUE_BIND STD { int linux_bind(l_int s, l_uintptr_t name, \ l_int namelen); } 50 AUE_LISTEN STD { int linux_listen(l_int s, l_int backlog); } 51 AUE_GETSOCKNAME STD { int linux_getsockname(l_int s, \ l_uintptr_t addr, l_uintptr_t namelen); } 52 AUE_GETPEERNAME STD { int linux_getpeername(l_int s, \ l_uintptr_t addr, l_uintptr_t namelen); } 53 AUE_SOCKETPAIR STD { int linux_socketpair(l_int domain, \ l_int type, l_int protocol, l_uintptr_t rsv); } 54 AUE_SETSOCKOPT STD { int linux_setsockopt(l_int s, l_int level, \ l_int optname, l_uintptr_t optval, \ l_int optlen); } 55 AUE_GETSOCKOPT STD { int linux_getsockopt(l_int s, l_int level, \ l_int optname, l_uintptr_t optval, \ l_uintptr_t optlen); } 56 AUE_RFORK STD { int linux_clone(l_int flags, void *stack, \ void *parent_tidptr, void * child_tidptr, void *tls ); } 57 AUE_FORK STD { int linux_fork(void); } 58 AUE_VFORK STD { int linux_vfork(void); } 59 AUE_EXECVE STD { int linux_execve(char *path, char **argp, \ char **envp); } 60 AUE_EXIT STD { void linux_exit(int rval); } 61 AUE_WAIT4 STD { int linux_wait4(l_pid_t pid, \ l_int *status, l_int options, \ struct rusage *rusage); } 62 AUE_KILL STD { int linux_kill(l_int pid, l_int signum); } 63 AUE_NULL STD { int linux_newuname( \ struct l_new_utsname *buf); } 64 AUE_NULL STD { int linux_semget(l_key_t key, \ l_int nsems, l_int semflg); } 65 AUE_NULL STD { int linux_semop(l_int semid, \ struct l_sembuf *tsops, l_uint nsops); } 66 AUE_NULL STD { int linux_semctl(l_int semid, \ l_int semnum, l_int cmd, union l_semun arg); } 67 AUE_NULL STD { int linux_shmdt(char *shmaddr); } 68 AUE_NULL STD { int linux_msgget(l_key_t key, l_int msgflg); } 69 AUE_NULL STD { int linux_msgsnd(l_int msqid, \ struct l_msgbuf *msgp, l_size_t msgsz, \ l_int msgflg); } 70 AUE_NULL STD { int linux_msgrcv(l_int msqid, \ struct l_msgbuf *msgp, l_size_t msgsz, \ l_long msgtyp, l_int msgflg); } 71 AUE_NULL STD { int linux_msgctl(l_int msqid, l_int cmd, \ struct l_msqid_ds *buf); } 72 AUE_FCNTL STD { int linux_fcntl(l_uint fd, l_uint cmd, \ l_ulong arg); } 73 AUE_FLOCK NOPROTO { int flock(int fd, int how); } 74 AUE_FSYNC NOPROTO { int fsync(int fd); } 75 AUE_NULL STD { int linux_fdatasync(l_uint fd); } 76 AUE_TRUNCATE STD { int linux_truncate(char *path, \ l_ulong length); } 77 AUE_FTRUNCATE STD { int linux_ftruncate(l_int fd, l_long length); } 78 AUE_GETDIRENTRIES STD { int linux_getdents(l_uint fd, void *dent, \ l_uint count); } 79 AUE_GETCWD STD { int linux_getcwd(char *buf, \ l_ulong bufsize); } 80 AUE_CHDIR STD { int linux_chdir(char *path); } 81 AUE_FCHDIR NOPROTO { int fchdir(int fd); } 82 AUE_RENAME STD { int linux_rename(char *from, char *to); } 83 AUE_MKDIR STD { int linux_mkdir(char *path, l_int mode); } 84 AUE_RMDIR STD { int linux_rmdir(char *path); } 85 AUE_CREAT STD { int linux_creat(char *path, \ l_int mode); } 86 AUE_LINK STD { int linux_link(char *path, char *to); } 87 AUE_UNLINK STD { int linux_unlink(char *path); } 88 AUE_SYMLINK STD { int linux_symlink(char *path, char *to); } 89 AUE_READLINK STD { int linux_readlink(char *name, char *buf, \ l_int count); } 90 AUE_CHMOD STD { int linux_chmod(char *path, \ l_mode_t mode); } 91 AUE_FCHMOD NOPROTO { int fchmod(int fd, int mode); } 92 AUE_LCHOWN STD { int linux_chown(char *path, \ l_uid_t uid, l_gid_t gid); } 93 AUE_FCHOWN NOPROTO { int fchown(int fd, int uid, int gid); } 94 AUE_LCHOWN STD { int linux_lchown(char *path, l_uid_t uid, \ l_gid_t gid); } 95 AUE_UMASK NOPROTO { int umask(int newmask); } 96 AUE_NULL NOPROTO { int gettimeofday(struct l_timeval *tp, \ struct timezone *tzp); } 97 AUE_GETRLIMIT STD { int linux_getrlimit(l_uint resource, \ struct l_rlimit *rlim); } 98 AUE_GETRUSAGE NOPROTO { int getrusage(int who, struct rusage *rusage); } 99 AUE_NULL STD { int linux_sysinfo(struct l_sysinfo *info); } 100 AUE_NULL STD { int linux_times(struct l_times_argv *buf); } 101 AUE_PTRACE STD { int linux_ptrace(l_long req, l_long pid, \ l_ulong addr, l_ulong data); } 102 AUE_GETUID STD { int linux_getuid(void); } 103 AUE_NULL STD { int linux_syslog(l_int type, char *buf, \ l_int len); } 104 AUE_GETGID STD { int linux_getgid(void); } 105 AUE_SETUID NOPROTO { int setuid(uid_t uid); } 106 AUE_SETGID NOPROTO { int setgid(gid_t gid); } 107 AUE_GETEUID NOPROTO { int geteuid(void); } 108 AUE_GETEGID NOPROTO { int getegid(void); } 109 AUE_SETPGRP NOPROTO { int setpgid(int pid, int pgid); } 110 AUE_GETPPID STD { int linux_getppid(void); } 111 AUE_GETPGRP NOPROTO { int getpgrp(void); } 112 AUE_SETSID NOPROTO { int setsid(void); } 113 AUE_SETREUID NOPROTO { int setreuid(uid_t ruid, uid_t euid); } 114 AUE_SETREGID NOPROTO { int setregid(gid_t rgid, gid_t egid); } 115 AUE_GETGROUPS STD { int linux_getgroups(l_int gidsetsize, \ l_gid_t *grouplist); } 116 AUE_SETGROUPS STD { int linux_setgroups(l_int gidsetsize, \ l_gid_t *grouplist); } 117 AUE_SETRESUID NOPROTO { int setresuid(uid_t ruid, uid_t euid, \ uid_t suid); } 118 AUE_GETRESUID NOPROTO { int getresuid(uid_t *ruid, uid_t *euid, \ uid_t *suid); } 119 AUE_SETRESGID NOPROTO { int setresgid(gid_t rgid, gid_t egid, \ gid_t sgid); } 120 AUE_GETRESGID NOPROTO { int getresgid(gid_t *rgid, gid_t *egid, \ gid_t *sgid); } 121 AUE_GETPGID NOPROTO { int getpgid(int pid); } 122 AUE_SETFSUID STD { int linux_setfsuid(l_uid_t uid); } 123 AUE_SETFSGID STD { int linux_setfsgid(l_gid_t gid); } 124 AUE_GETSID STD { int linux_getsid(l_pid_t pid); } 125 AUE_CAPGET STD { int linux_capget(struct l_user_cap_header *hdrp, \ struct l_user_cap_data *datap); } 126 AUE_CAPSET STD { int linux_capset(struct l_user_cap_header *hdrp, \ struct l_user_cap_data *datap); } 127 AUE_NULL STD { int linux_rt_sigpending(l_sigset_t *set, \ l_size_t sigsetsize); } 128 AUE_NULL STD { int linux_rt_sigtimedwait(l_sigset_t *mask, \ l_siginfo_t *ptr, \ struct l_timeval *timeout, \ l_size_t sigsetsize); } 129 AUE_NULL STD { int linux_rt_sigqueueinfo(l_pid_t pid, l_int sig, \ l_siginfo_t *info); } 130 AUE_NULL STD { int linux_rt_sigsuspend( \ l_sigset_t *newset, \ l_size_t sigsetsize); } 131 AUE_NULL STD { int linux_sigaltstack(l_stack_t *uss, \ l_stack_t *uoss); } 132 AUE_UTIME STD { int linux_utime(char *fname, \ struct l_utimbuf *times); } 133 AUE_MKNOD STD { int linux_mknod(char *path, l_int mode, \ l_dev_t dev); } 134 AUE_USELIB UNIMPL uselib 135 AUE_PERSONALITY STD { int linux_personality(l_uint per); } 136 AUE_NULL STD { int linux_ustat(l_dev_t dev, \ struct l_ustat *ubuf); } 137 AUE_STATFS STD { int linux_statfs(char *path, \ struct l_statfs_buf *buf); } 138 AUE_FSTATFS STD { int linux_fstatfs(l_uint fd, \ struct l_statfs_buf *buf); } 139 AUE_NULL STD { int linux_sysfs(l_int option, \ l_ulong arg1, l_ulong arg2); } 140 AUE_GETPRIORITY STD { int linux_getpriority(int which, int who); } 141 AUE_SETPRIORITY NOPROTO { int setpriority(int which, int who, \ int prio); } 142 AUE_SCHED_SETPARAM STD { int linux_sched_setparam(l_pid_t pid, \ struct sched_param *param); } 143 AUE_SCHED_GETPARAM STD { int linux_sched_getparam(l_pid_t pid, \ struct sched_param *param); } 144 AUE_SCHED_SETSCHEDULER STD { int linux_sched_setscheduler( \ l_pid_t pid, l_int policy, \ struct sched_param *param); } 145 AUE_SCHED_GETSCHEDULER STD { int linux_sched_getscheduler( \ l_pid_t pid); } 146 AUE_SCHED_GET_PRIORITY_MAX STD { int linux_sched_get_priority_max( \ l_int policy); } 147 AUE_SCHED_GET_PRIORITY_MIN STD { int linux_sched_get_priority_min( \ l_int policy); } 148 AUE_SCHED_RR_GET_INTERVAL STD { int linux_sched_rr_get_interval(l_pid_t pid, \ struct l_timespec *interval); } 149 AUE_MLOCK NOPROTO { int mlock(const void *addr, size_t len); } 150 AUE_MUNLOCK NOPROTO { int munlock(const void *addr, size_t len); } 151 AUE_MLOCKALL NOPROTO { int mlockall(int how); } 152 AUE_MUNLOCKALL NOPROTO { int munlockall(void); } 153 AUE_NULL STD { int linux_vhangup(void); } 154 AUE_NULL UNIMPL modify_ldt 155 AUE_PIVOT_ROOT STD { int linux_pivot_root(void); } 156 AUE_SYSCTL STD { int linux_sysctl( \ struct l___sysctl_args *args); } 157 AUE_PRCTL STD { int linux_prctl(l_int option, l_uintptr_t arg2, \ l_uintptr_t arg3, l_uintptr_t arg4, \ l_uintptr_t arg5); } 158 AUE_PRCTL STD { int linux_arch_prctl(l_int code, l_ulong addr); } 159 AUE_ADJTIME STD { int linux_adjtimex(void); } 160 AUE_SETRLIMIT STD { int linux_setrlimit(l_uint resource, \ struct l_rlimit *rlim); } 161 AUE_CHROOT NOPROTO { int chroot(char *path); } 162 AUE_SYNC NOPROTO { int sync(void); } 163 AUE_ACCT NOPROTO { int acct(char *path); } 164 AUE_SETTIMEOFDAY NOPROTO { int settimeofday(struct l_timeval *tv, struct timezone *tzp); } 165 AUE_MOUNT STD { int linux_mount(char *specialfile, \ char *dir, char *filesystemtype, \ l_ulong rwflag, void *data); } 166 AUE_UMOUNT STD { int linux_umount(char *path, l_int flags); } 167 AUE_SWAPON NOPROTO { int swapon(char *name); } 168 AUE_SWAPOFF STD { int linux_swapoff(void); } 169 AUE_REBOOT STD { int linux_reboot(l_int magic1, \ l_int magic2, l_uint cmd, void *arg); } 170 AUE_SYSCTL STD { int linux_sethostname(char *hostname, \ l_uint len); } 171 AUE_SYSCTL STD { int linux_setdomainname(char *name, \ l_int len); } 172 AUE_NULL STD { int linux_iopl(l_uint level); } 173 AUE_NULL UNIMPL ioperm 174 AUE_NULL UNIMPL create_module 175 AUE_NULL STD { int linux_init_module(void); } 176 AUE_NULL STD { int linux_delete_module(void); } 177 AUE_NULL UNIMPL get_kernel_syms 178 AUE_NULL UNIMPL query_module 179 AUE_QUOTACTL STD { int linux_quotactl(void); } 180 AUE_NULL UNIMPL nfsservctl 181 AUE_GETPMSG UNIMPL getpmsg 182 AUE_PUTPMSG UNIMPL putpmsg 183 AUE_NULL UNIMPL afs_syscall 184 AUE_NULL UNIMPL tuxcall 185 AUE_NULL UNIMPL security 186 AUE_NULL STD { int linux_gettid(void); } 187 AUE_NULL UNIMPL linux_readahead 188 AUE_NULL STD { int linux_setxattr(void); } 189 AUE_NULL STD { int linux_lsetxattr(void); } 190 AUE_NULL STD { int linux_fsetxattr(void); } 191 AUE_NULL STD { int linux_getxattr(void); } 192 AUE_NULL STD { int linux_lgetxattr(void); } 193 AUE_NULL STD { int linux_fgetxattr(void); } 194 AUE_NULL STD { int linux_listxattr(void); } 195 AUE_NULL STD { int linux_llistxattr(void); } 196 AUE_NULL STD { int linux_flistxattr(void); } 197 AUE_NULL STD { int linux_removexattr(void); } 198 AUE_NULL STD { int linux_lremovexattr(void); } 199 AUE_NULL STD { int linux_fremovexattr(void); } 200 AUE_NULL STD { int linux_tkill(int tid, int sig); } 201 AUE_NULL STD { int linux_time(l_time_t *tm); } 202 AUE_NULL STD { int linux_sys_futex(void *uaddr, int op, int val, \ struct l_timespec *timeout, void *uaddr2, int val3); } 203 AUE_NULL STD { int linux_sched_setaffinity(l_pid_t pid, l_uint len, \ l_ulong *user_mask_ptr); } 204 AUE_NULL STD { int linux_sched_getaffinity(l_pid_t pid, l_uint len, \ l_ulong *user_mask_ptr); } 205 AUE_NULL UNIMPL set_thread_area 206 AUE_NULL UNIMPL linux_io_setup 207 AUE_NULL UNIMPL linux_io_destroy 208 AUE_NULL UNIMPL linux_io_getevents 209 AUE_NULL UNIMPL linux_io_submit 210 AUE_NULL UNIMPL linux_io_cancel 211 AUE_NULL UNIMPL get_thread_area 212 AUE_NULL STD { int linux_lookup_dcookie(void); } 213 AUE_NULL STD { int linux_epoll_create(l_int size); } 214 AUE_NULL UNIMPL epoll_ctl_old 215 AUE_NULL UNIMPL epoll_wait_old 216 AUE_NULL STD { int linux_remap_file_pages(void); } 217 AUE_GETDIRENTRIES STD { int linux_getdents64(l_uint fd, \ void *dirent, l_uint count); } 218 AUE_NULL STD { int linux_set_tid_address(int *tidptr); } 219 AUE_NULL UNIMPL restart_syscall 220 AUE_NULL STD { int linux_semtimedop(void); } 221 AUE_NULL STD { int linux_fadvise64(int fd, l_loff_t offset, \ l_size_t len, int advice); } 222 AUE_NULL STD { int linux_timer_create(clockid_t clock_id, \ struct sigevent *evp, l_timer_t *timerid); } 223 AUE_NULL STD { int linux_timer_settime(l_timer_t timerid, l_int flags, \ const struct itimerspec *new, struct itimerspec *old); } 224 AUE_NULL STD { int linux_timer_gettime(l_timer_t timerid, struct itimerspec *setting); } 225 AUE_NULL STD { int linux_timer_getoverrun(l_timer_t timerid); } 226 AUE_NULL STD { int linux_timer_delete(l_timer_t timerid); } 227 AUE_CLOCK_SETTIME STD { int linux_clock_settime(clockid_t which, struct l_timespec *tp); } 228 AUE_NULL STD { int linux_clock_gettime(clockid_t which, struct l_timespec *tp); } 229 AUE_NULL STD { int linux_clock_getres(clockid_t which, struct l_timespec *tp); } 230 AUE_NULL STD { int linux_clock_nanosleep(clockid_t which, int flags, \ struct l_timespec *rqtp, struct l_timespec *rmtp); } 231 AUE_EXIT STD { int linux_exit_group(int error_code); } 232 AUE_NULL STD { int linux_epoll_wait(l_int epfd, struct epoll_event *events, \ l_int maxevents, l_int timeout); } 233 AUE_NULL STD { int linux_epoll_ctl(l_int epfd, l_int op, l_int fd, \ struct epoll_event *event); } 234 AUE_NULL STD { int linux_tgkill(int tgid, int pid, int sig); } 235 AUE_UTIMES STD { int linux_utimes(char *fname, \ struct l_timeval *tptr); } 236 AUE_NULL UNIMPL vserver 237 AUE_NULL STD { int linux_mbind(void); } 238 AUE_NULL STD { int linux_set_mempolicy(void); } 239 AUE_NULL STD { int linux_get_mempolicy(void); } 240 AUE_NULL STD { int linux_mq_open(void); } 241 AUE_NULL STD { int linux_mq_unlink(void); } 242 AUE_NULL STD { int linux_mq_timedsend(void); } 243 AUE_NULL STD { int linux_mq_timedreceive(void); } 244 AUE_NULL STD { int linux_mq_notify(void); } 245 AUE_NULL STD { int linux_mq_getsetattr(void); } 246 AUE_NULL STD { int linux_kexec_load(void); } 247 AUE_WAIT6 STD { int linux_waitid(int idtype, l_pid_t id, \ l_siginfo_t *info, int options, \ struct rusage *rusage); } 248 AUE_NULL STD { int linux_add_key(void); } 249 AUE_NULL STD { int linux_request_key(void); } 250 AUE_NULL STD { int linux_keyctl(void); } 251 AUE_NULL STD { int linux_ioprio_set(void); } 252 AUE_NULL STD { int linux_ioprio_get(void); } 253 AUE_NULL STD { int linux_inotify_init(void); } 254 AUE_NULL STD { int linux_inotify_add_watch(void); } 255 AUE_NULL STD { int linux_inotify_rm_watch(void); } 256 AUE_NULL STD { int linux_migrate_pages(void); } 257 AUE_OPEN_RWTC STD { int linux_openat(l_int dfd, const char *filename, \ l_int flags, l_int mode); } 258 AUE_MKDIRAT STD { int linux_mkdirat(l_int dfd, const char *pathname, \ l_int mode); } 259 AUE_MKNODAT STD { int linux_mknodat(l_int dfd, const char *filename, \ l_int mode, l_uint dev); } 260 AUE_FCHOWNAT STD { int linux_fchownat(l_int dfd, const char *filename, \ l_uid_t uid, l_gid_t gid, l_int flag); } 261 AUE_FUTIMESAT STD { int linux_futimesat(l_int dfd, char *filename, \ struct l_timeval *utimes); } 262 AUE_FSTATAT STD { int linux_newfstatat(l_int dfd, char *pathname, \ struct l_stat64 *statbuf, l_int flag); } 263 AUE_UNLINKAT STD { int linux_unlinkat(l_int dfd, const char *pathname, \ l_int flag); } 264 AUE_RENAMEAT STD { int linux_renameat(l_int olddfd, const char *oldname, \ l_int newdfd, const char *newname); } 265 AUE_LINKAT STD { int linux_linkat(l_int olddfd, const char *oldname, \ l_int newdfd, const char *newname, l_int flag); } 266 AUE_SYMLINKAT STD { int linux_symlinkat(const char *oldname, l_int newdfd, \ const char *newname); } 267 AUE_READLINKAT STD { int linux_readlinkat(l_int dfd, const char *path, \ char *buf, l_int bufsiz); } 268 AUE_FCHMODAT STD { int linux_fchmodat(l_int dfd, const char *filename, \ l_mode_t mode); } 269 AUE_FACCESSAT STD { int linux_faccessat(l_int dfd, const char *filename, \ l_int amode); } 270 AUE_SELECT STD { int linux_pselect6(l_int nfds, \ l_fd_set *readfds, l_fd_set *writefds, l_fd_set *exceptfds, \ struct l_timespec *tsp, l_uintptr_t *sig); } 271 AUE_POLL STD { int linux_ppoll(struct pollfd *fds, uint32_t nfds, \ struct l_timespec *tsp, l_sigset_t *sset, l_size_t ssize); } 272 AUE_NULL STD { int linux_unshare(void); } 273 AUE_NULL STD { int linux_set_robust_list(struct linux_robust_list_head *head, \ l_size_t len); } 274 AUE_NULL STD { int linux_get_robust_list(l_int pid, \ struct linux_robust_list_head **head, l_size_t *len); } 275 AUE_NULL STD { int linux_splice(void); } 276 AUE_NULL STD { int linux_tee(void); } 277 AUE_NULL STD { int linux_sync_file_range(void); } 278 AUE_NULL STD { int linux_vmsplice(void); } 279 AUE_NULL STD { int linux_move_pages(void); } 280 AUE_FUTIMESAT STD { int linux_utimensat(l_int dfd, const char *pathname, \ - const struct l_timespec *times, l_int flags); } -281 AUE_NULL STD { int linux_epoll_pwait(l_int epfd, struct epoll_event *events, \ - l_int maxevents, l_int timeout, l_sigset_t *mask, \ - l_size_t sigsetsize); } + const struct l_timespec *times, l_int flags); } +281 AUE_NULL STD { int linux_epoll_pwait(l_int epfd, struct epoll_event *events, \ + l_int maxevents, l_int timeout, l_sigset_t *mask, \ + l_size_t sigsetsize); } 282 AUE_NULL STD { int linux_signalfd(void); } 283 AUE_NULL STD { int linux_timerfd_create(l_int clockid, l_int flags); } 284 AUE_NULL STD { int linux_eventfd(l_uint initval); } 285 AUE_NULL STD { int linux_fallocate(l_int fd, l_int mode, \ l_loff_t offset, l_loff_t len); } 286 AUE_NULL STD { int linux_timerfd_settime(l_int fd, l_int flags, \ const struct l_itimerspec *new_value, \ struct l_itimerspec *old_value); } 287 AUE_NULL STD { int linux_timerfd_gettime(l_int fd, \ struct l_itimerspec *old_value); } 288 AUE_ACCEPT STD { int linux_accept4(l_int s, l_uintptr_t addr, \ l_uintptr_t namelen, int flags); } ; linux 2.6.27: 289 AUE_NULL STD { int linux_signalfd4(void); } 290 AUE_NULL STD { int linux_eventfd2(l_uint initval, l_int flags); } 291 AUE_NULL STD { int linux_epoll_create1(l_int flags); } 292 AUE_NULL STD { int linux_dup3(l_int oldfd, \ l_int newfd, l_int flags); } 293 AUE_NULL STD { int linux_pipe2(l_int *pipefds, l_int flags); } 294 AUE_NULL STD { int linux_inotify_init1(l_int flags); } ; linux 2.6.30: -295 AUE_NULL STD { int linux_preadv(l_ulong fd, \ +295 AUE_NULL STD { int linux_preadv(l_ulong fd, \ struct iovec *vec, l_ulong vlen, \ l_ulong pos_l, l_ulong pos_h); } -296 AUE_NULL STD { int linux_pwritev(l_ulong fd, \ +296 AUE_NULL STD { int linux_pwritev(l_ulong fd, \ struct iovec *vec, l_ulong vlen, \ l_ulong pos_l, l_ulong pos_h); } ; linux 2.6.31: 297 AUE_NULL STD { int linux_rt_tgsigqueueinfo(l_pid_t tgid, \ l_pid_t tid, l_int sig, l_siginfo_t *uinfo); } 298 AUE_NULL STD { int linux_perf_event_open(void); } ; linux 2.6.33: 299 AUE_NULL STD { int linux_recvmmsg(l_int s, \ struct l_mmsghdr *msg, l_uint vlen, \ l_uint flags, struct l_timespec *timeout); } ; linux 2.6.37: 300 AUE_NULL STD { int linux_fanotify_init(void); } 301 AUE_NULL STD { int linux_fanotify_mark(void); } ; linux 2.6.36: 302 AUE_NULL STD { int linux_prlimit64(l_pid_t pid, l_uint resource, \ struct rlimit *new, struct rlimit *old); } ; linux 2.6.39 (glibc 2.14): 303 AUE_NULL STD { int linux_name_to_handle_at(void); } 304 AUE_NULL STD { int linux_open_by_handle_at(void); } 305 AUE_NULL STD { int linux_clock_adjtime(void); } 306 AUE_SYNC STD { int linux_syncfs(l_int fd); } ; linux 3.0 (glibc 2.14): 307 AUE_NULL STD { int linux_sendmmsg(l_int s, \ struct l_mmsghdr *msg, l_uint vlen, \ l_uint flags); } 308 AUE_NULL STD { int linux_setns(l_int fd, l_int nstype); } ; linux 2.6.19 (no glibc wrapper): 309 AUE_NULL STD { int linux_getcpu(l_uint *cpu, l_uint *node, \ void *cache); } ; linux 3.2 (glibc 2.15): 310 AUE_NULL STD { int linux_process_vm_readv(l_pid_t pid, \ const struct iovec *lvec, l_ulong liovcnt, \ const struct iovec *rvec, l_ulong riovcnt, \ l_ulong flags); } 311 AUE_NULL STD { int linux_process_vm_writev(l_pid_t pid, \ const struct iovec *lvec, l_ulong liovcnt, \ const struct iovec *rvec, l_ulong riovcnt, \ l_ulong flags); } ; linux 3.5 (no glibc wrapper): 312 AUE_NULL STD { int linux_kcmp(l_pid_t pid1, l_pid_t pid2, \ l_int type, l_ulong idx1, l_ulong idx); } ; linux 3.8 (no glibc wrapper): 313 AUE_NULL STD { int linux_finit_module(l_int fd, \ const char *uargs, l_int flags); } ; linux 3.14: 314 AUE_NULL STD { int linux_sched_setattr(l_pid_t pid, \ void *attr, l_uint flags); } 315 AUE_NULL STD { int linux_sched_getattr(l_pid_t pid, \ void *attr, l_uint size, l_uint flags); } ; linux 3.15: 316 AUE_NULL STD { int linux_renameat2(l_int oldfd, \ - const char *oldname, l_int newfd, \ + const char *oldname, l_int newfd, \ const char *newname, unsigned int flags); } ; linux 3.17: 317 AUE_NULL STD { int linux_seccomp(l_uint op, l_uint flags, \ const char *uargs); } 318 AUE_NULL STD { int linux_getrandom(char *buf, \ l_size_t count, l_uint flags); } 319 AUE_NULL STD { int linux_memfd_create(const char *uname_ptr, \ l_uint flags); } 320 AUE_NULL STD { int linux_kexec_file_load(l_int kernel_fd, \ l_int initrd_fd, l_ulong cmdline_len, \ const char *cmdline_ptr, l_ulong flags); } ; linux 3.18: 321 AUE_NULL STD { int linux_bpf(l_int cmd, void *attr, \ l_uint size); } ; linux 3.19: 322 AUE_NULL STD { int linux_execveat(l_int dfd, \ const char *filename, const char **argv, \ const char **envp, l_int flags); } ; linux 4.2: 323 AUE_NULL STD { int linux_userfaultfd(l_int flags); } ; linux 4.3: 324 AUE_NULL STD { int linux_membarrier(l_int cmd, l_int flags); } ; linux 4.4: 325 AUE_NULL STD { int linux_mlock2(l_ulong start, l_size_t len, \ l_int flags); } ; linux 4.5: 326 AUE_NULL STD { int linux_copy_file_range(l_int fd_in, \ l_loff_t *off_in, l_int fd_out, \ l_loff_t *off_out, l_size_t len, \ l_uint flags); } ; linux 4.6: 327 AUE_NULL STD { int linux_preadv2(l_ulong fd, \ const struct iovec *vec, l_ulong vlen, \ l_ulong pos_l, l_ulong pos_h, l_int flags); } 328 AUE_NULL STD { int linux_pwritev2(l_ulong fd, \ const struct iovec *vec, l_ulong vlen, \ l_ulong pos_l, l_ulong pos_h, l_int flags); } ; linux 4.8: 329 AUE_NULL STD { int linux_pkey_mprotect(l_ulong start, \ l_size_t len, l_ulong prot, l_int pkey); } 330 AUE_NULL STD { int linux_pkey_alloc(l_ulong flags, \ l_ulong init_val); } 331 AUE_NULL STD { int linux_pkey_free(l_int pkey); } ; please, keep this line at the end. 332 AUE_NULL UNIMPL nosys ; vim: syntax=off Index: head/sys/amd64/linux32/linux.h =================================================================== --- head/sys/amd64/linux32/linux.h (revision 328889) +++ head/sys/amd64/linux32/linux.h (revision 328890) @@ -1,654 +1,654 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2004 Tim J. Robbins * Copyright (c) 2001 Doug Rabson * Copyright (c) 1994-1996 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _AMD64_LINUX_H_ #define _AMD64_LINUX_H_ #include #include /* * debugging support */ extern u_char linux_debug_map[]; #define ldebug(name) isclr(linux_debug_map, LINUX32_SYS_linux_ ## name) #define ARGS(nm, fmt) "linux(%ld/%ld): "#nm"("fmt")\n", \ (long)td->td_proc->p_pid, (long)td->td_tid #define LMSG(fmt) "linux(%ld/%ld): "fmt"\n", \ (long)td->td_proc->p_pid, (long)td->td_tid #define LINUX_DTRACE linuxulator32 #define LINUX32_MAXUSER ((1ul << 32) - PAGE_SIZE) #define LINUX32_SHAREDPAGE (LINUX32_MAXUSER - PAGE_SIZE) #define LINUX32_USRSTACK LINUX32_SHAREDPAGE /* XXX 16 = sizeof(linux32_ps_strings) */ #define LINUX32_PS_STRINGS (LINUX32_USRSTACK - 16) #define LINUX32_MAXDSIZ (512 * 1024 * 1024) /* 512MB */ #define LINUX32_MAXSSIZ (64 * 1024 * 1024) /* 64MB */ #define LINUX32_MAXVMEM 0 /* Unlimited */ #define PTRIN(v) (void *)(uintptr_t)(v) #define PTROUT(v) (l_uintptr_t)(uintptr_t)(v) #define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) #define CP2(src,dst,sfld,dfld) do { (dst).dfld = (src).sfld; } while (0) #define PTRIN_CP(src,dst,fld) \ do { (dst).fld = PTRIN((src).fld); } while (0) /* * Provide a separate set of types for the Linux types. */ typedef int l_int; typedef int32_t l_long; typedef int64_t l_longlong; typedef short l_short; typedef unsigned int l_uint; typedef uint32_t l_ulong; typedef uint64_t l_ulonglong; typedef unsigned short l_ushort; typedef l_ulong l_uintptr_t; typedef l_long l_clock_t; typedef l_int l_daddr_t; typedef l_ushort l_dev_t; typedef l_uint l_gid_t; typedef l_ushort l_gid16_t; typedef l_ulong l_ino_t; typedef l_int l_key_t; typedef l_longlong l_loff_t; typedef l_ushort l_mode_t; typedef l_long l_off_t; typedef l_int l_pid_t; typedef l_uint l_size_t; typedef l_long l_suseconds_t; typedef l_long l_time_t; typedef l_uint l_uid_t; typedef l_ushort l_uid16_t; typedef l_int l_timer_t; typedef l_int l_mqd_t; typedef l_ulong l_fd_mask; typedef struct { l_int val[2]; } __packed l_fsid_t; typedef struct { l_time_t tv_sec; l_suseconds_t tv_usec; } l_timeval; #define l_fd_set fd_set /* * Miscellaneous */ #define LINUX_AT_COUNT 20 /* Count of used aux entry types. * Keep this synchronized with * elf_linux_fixup() code. */ struct l___sysctl_args { l_uintptr_t name; l_int nlen; l_uintptr_t oldval; l_uintptr_t oldlenp; l_uintptr_t newval; l_size_t newlen; l_ulong __spare[4]; } __packed; /* Resource limits */ #define LINUX_RLIMIT_CPU 0 #define LINUX_RLIMIT_FSIZE 1 #define LINUX_RLIMIT_DATA 2 #define LINUX_RLIMIT_STACK 3 #define LINUX_RLIMIT_CORE 4 #define LINUX_RLIMIT_RSS 5 #define LINUX_RLIMIT_NPROC 6 #define LINUX_RLIMIT_NOFILE 7 #define LINUX_RLIMIT_MEMLOCK 8 #define LINUX_RLIMIT_AS 9 /* Address space limit */ #define LINUX_RLIM_NLIMITS 10 struct l_rlimit { l_ulong rlim_cur; l_ulong rlim_max; } __packed; struct l_rusage { l_timeval ru_utime; l_timeval ru_stime; l_long ru_maxrss; l_long ru_ixrss; l_long ru_idrss; l_long ru_isrss; l_long ru_minflt; l_long ru_majflt; l_long ru_nswap; l_long ru_inblock; l_long ru_oublock; l_long ru_msgsnd; l_long ru_msgrcv; l_long ru_nsignals; l_long ru_nvcsw; l_long ru_nivcsw; } __packed; struct l_mmap_argv { l_uintptr_t addr; l_size_t len; l_int prot; l_int flags; l_int fd; l_ulong pgoff; }; /* * stat family of syscalls */ struct l_timespec { l_time_t tv_sec; l_long tv_nsec; } __packed; struct l_newstat { l_ushort st_dev; l_ushort __pad1; l_ulong st_ino; l_ushort st_mode; l_ushort st_nlink; l_ushort st_uid; l_ushort st_gid; l_ushort st_rdev; l_ushort __pad2; l_ulong st_size; l_ulong st_blksize; l_ulong st_blocks; struct l_timespec st_atim; struct l_timespec st_mtim; struct l_timespec st_ctim; l_ulong __unused4; l_ulong __unused5; } __packed; struct l_stat { l_ushort st_dev; l_ulong st_ino; l_ushort st_mode; l_ushort st_nlink; l_ushort st_uid; l_ushort st_gid; l_ushort st_rdev; l_long st_size; struct l_timespec st_atim; struct l_timespec st_mtim; struct l_timespec st_ctim; l_long st_blksize; l_long st_blocks; l_ulong st_flags; l_ulong st_gen; }; struct l_stat64 { l_ushort st_dev; u_char __pad0[10]; l_ulong __st_ino; l_uint st_mode; l_uint st_nlink; l_ulong st_uid; l_ulong st_gid; l_ushort st_rdev; u_char __pad3[10]; l_longlong st_size; l_ulong st_blksize; l_ulong st_blocks; l_ulong __pad4; struct l_timespec st_atim; struct l_timespec st_mtim; struct l_timespec st_ctim; l_ulonglong st_ino; } __packed; -struct l_statfs64 { - l_int f_type; - l_int f_bsize; - uint64_t f_blocks; - uint64_t f_bfree; - uint64_t f_bavail; - uint64_t f_files; - uint64_t f_ffree; - l_fsid_t f_fsid; - l_int f_namelen; - l_int f_frsize; - l_int f_flags; - l_int f_spare[4]; +struct l_statfs64 { + l_int f_type; + l_int f_bsize; + uint64_t f_blocks; + uint64_t f_bfree; + uint64_t f_bavail; + uint64_t f_files; + uint64_t f_ffree; + l_fsid_t f_fsid; + l_int f_namelen; + l_int f_frsize; + l_int f_flags; + l_int f_spare[4]; } __packed; /* sigaction flags */ #define LINUX_SA_NOCLDSTOP 0x00000001 #define LINUX_SA_NOCLDWAIT 0x00000002 #define LINUX_SA_SIGINFO 0x00000004 #define LINUX_SA_RESTORER 0x04000000 #define LINUX_SA_ONSTACK 0x08000000 #define LINUX_SA_RESTART 0x10000000 #define LINUX_SA_INTERRUPT 0x20000000 #define LINUX_SA_NOMASK 0x40000000 #define LINUX_SA_ONESHOT 0x80000000 /* sigprocmask actions */ #define LINUX_SIG_BLOCK 0 #define LINUX_SIG_UNBLOCK 1 #define LINUX_SIG_SETMASK 2 /* sigaltstack */ #define LINUX_MINSIGSTKSZ 2048 typedef l_uintptr_t l_handler_t; typedef l_ulong l_osigset_t; typedef struct { l_handler_t lsa_handler; l_osigset_t lsa_mask; l_ulong lsa_flags; l_uintptr_t lsa_restorer; } __packed l_osigaction_t; typedef struct { l_handler_t lsa_handler; l_ulong lsa_flags; l_uintptr_t lsa_restorer; l_sigset_t lsa_mask; } __packed l_sigaction_t; typedef struct { l_uintptr_t ss_sp; l_int ss_flags; l_size_t ss_size; } __packed l_stack_t; /* The Linux sigcontext, pretty much a standard 386 trapframe. */ struct l_sigcontext { l_uint sc_gs; l_uint sc_fs; l_uint sc_es; l_uint sc_ds; l_uint sc_edi; l_uint sc_esi; l_uint sc_ebp; l_uint sc_esp; l_uint sc_ebx; l_uint sc_edx; l_uint sc_ecx; l_uint sc_eax; l_uint sc_trapno; l_uint sc_err; l_uint sc_eip; l_uint sc_cs; l_uint sc_eflags; l_uint sc_esp_at_signal; l_uint sc_ss; l_uint sc_387; l_uint sc_mask; l_uint sc_cr2; } __packed; struct l_ucontext { l_ulong uc_flags; l_uintptr_t uc_link; l_stack_t uc_stack; struct l_sigcontext uc_mcontext; l_sigset_t uc_sigmask; } __packed; #define LINUX_SI_MAX_SIZE 128 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3) typedef union l_sigval { l_int sival_int; l_uintptr_t sival_ptr; } l_sigval_t; typedef struct l_siginfo { l_int lsi_signo; l_int lsi_errno; l_int lsi_code; union { l_int _pad[LINUX_SI_PAD_SIZE]; struct { l_pid_t _pid; l_uid_t _uid; } __packed _kill; struct { l_timer_t _tid; l_int _overrun; char _pad[sizeof(l_uid_t) - sizeof(l_int)]; l_sigval_t _sigval; l_int _sys_private; } __packed _timer; struct { l_pid_t _pid; /* sender's pid */ l_uid_t _uid; /* sender's uid */ l_sigval_t _sigval; } __packed _rt; struct { l_pid_t _pid; /* which child */ l_uid_t _uid; /* sender's uid */ l_int _status; /* exit code */ l_clock_t _utime; l_clock_t _stime; } __packed _sigchld; struct { l_uintptr_t _addr; /* Faulting insn/memory ref. */ } __packed _sigfault; struct { l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */ l_int _fd; } __packed _sigpoll; } _sifields; } __packed l_siginfo_t; #define lsi_pid _sifields._kill._pid #define lsi_uid _sifields._kill._uid #define lsi_tid _sifields._timer._tid #define lsi_overrun _sifields._timer._overrun #define lsi_sys_private _sifields._timer._sys_private #define lsi_status _sifields._sigchld._status #define lsi_utime _sifields._sigchld._utime #define lsi_stime _sifields._sigchld._stime #define lsi_value _sifields._rt._sigval #define lsi_int _sifields._rt._sigval.sival_int #define lsi_ptr _sifields._rt._sigval.sival_ptr #define lsi_addr _sifields._sigfault._addr #define lsi_band _sifields._sigpoll._band #define lsi_fd _sifields._sigpoll._fd struct l_fpreg { u_int16_t significand[4]; u_int16_t exponent; } __packed; struct l_fpxreg { u_int16_t significand[4]; u_int16_t exponent; u_int16_t padding[3]; } __packed; struct l_xmmreg { u_int32_t element[4]; } __packed; struct l_fpstate { /* Regular FPU environment */ u_int32_t cw; u_int32_t sw; u_int32_t tag; u_int32_t ipoff; u_int32_t cssel; u_int32_t dataoff; u_int32_t datasel; struct l_fpreg _st[8]; u_int16_t status; u_int16_t magic; /* 0xffff = regular FPU data */ /* FXSR FPU environment */ u_int32_t _fxsr_env[6]; /* env is ignored. */ u_int32_t mxcsr; u_int32_t reserved; struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */ struct l_xmmreg _xmm[8]; u_int32_t padding[56]; } __packed; /* * We make the stack look like Linux expects it when calling a signal * handler, but use the BSD way of calling the handler and sigreturn(). * This means that we need to pass the pointer to the handler too. * It is appended to the frame to not interfere with the rest of it. */ struct l_sigframe { l_int sf_sig; struct l_sigcontext sf_sc; struct l_fpstate sf_fpstate; l_uint sf_extramask[1]; l_handler_t sf_handler; } __packed; struct l_rt_sigframe { l_int sf_sig; - l_uintptr_t sf_siginfo; + l_uintptr_t sf_siginfo; l_uintptr_t sf_ucontext; l_siginfo_t sf_si; - struct l_ucontext sf_sc; - l_handler_t sf_handler; + struct l_ucontext sf_sc; + l_handler_t sf_handler; } __packed; /* * arch specific open/fcntl flags */ #define LINUX_F_GETLK64 12 #define LINUX_F_SETLK64 13 #define LINUX_F_SETLKW64 14 union l_semun { l_int val; l_uintptr_t buf; l_uintptr_t array; l_uintptr_t __buf; l_uintptr_t __pad; } __packed; struct l_sockaddr { l_ushort sa_family; char sa_data[14]; } __packed; struct l_ifmap { l_ulong mem_start; l_ulong mem_end; l_ushort base_addr; u_char irq; u_char dma; u_char port; } __packed; #define LINUX_IFHWADDRLEN 6 #define LINUX_IFNAMSIZ 16 struct l_ifreq { union { char ifrn_name[LINUX_IFNAMSIZ]; } ifr_ifrn; union { struct l_sockaddr ifru_addr; struct l_sockaddr ifru_dstaddr; struct l_sockaddr ifru_broadaddr; struct l_sockaddr ifru_netmask; struct l_sockaddr ifru_hwaddr; l_short ifru_flags[1]; l_int ifru_ivalue; l_int ifru_mtu; struct l_ifmap ifru_map; char ifru_slave[LINUX_IFNAMSIZ]; l_uintptr_t ifru_data; } ifr_ifru; } __packed; #define ifr_name ifr_ifrn.ifrn_name /* Interface name */ #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ #define ifr_ifindex ifr_ifru.ifru_ivalue /* Interface index */ struct l_ifconf { int ifc_len; union { l_uintptr_t ifcu_buf; l_uintptr_t ifcu_req; } ifc_ifcu; } __packed; #define ifc_buf ifc_ifcu.ifcu_buf #define ifc_req ifc_ifcu.ifcu_req /* * poll() */ #define LINUX_POLLIN 0x0001 #define LINUX_POLLPRI 0x0002 #define LINUX_POLLOUT 0x0004 #define LINUX_POLLERR 0x0008 #define LINUX_POLLHUP 0x0010 #define LINUX_POLLNVAL 0x0020 #define LINUX_POLLRDNORM 0x0040 #define LINUX_POLLRDBAND 0x0080 #define LINUX_POLLWRNORM 0x0100 #define LINUX_POLLWRBAND 0x0200 #define LINUX_POLLMSG 0x0400 struct l_pollfd { l_int fd; l_short events; l_short revents; } __packed; struct l_user_desc { l_uint entry_number; l_uint base_addr; l_uint limit; l_uint seg_32bit:1; l_uint contents:2; l_uint read_exec_only:1; l_uint limit_in_pages:1; l_uint seg_not_present:1; l_uint useable:1; }; #define LINUX_LOWERWORD 0x0000ffff /* * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h. * These convert Linux user space descriptor to machine one. */ #define LINUX_LDT_entry_a(info) \ ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \ ((info)->limit & LINUX_LOWERWORD)) #define LINUX_ENTRY_B_READ_EXEC_ONLY 9 #define LINUX_ENTRY_B_CONTENTS 10 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15 #define LINUX_ENTRY_B_BASE_ADDR 16 #define LINUX_ENTRY_B_USEABLE 20 #define LINUX_ENTRY_B_SEG32BIT 22 #define LINUX_ENTRY_B_LIMIT 23 #define LINUX_LDT_entry_b(info) \ (((info)->base_addr & 0xff000000) | \ ((info)->limit & 0xf0000) | \ ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \ (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \ (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \ (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \ ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \ ((info)->useable << LINUX_ENTRY_B_USEABLE) | \ ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000) #define LINUX_LDT_empty(info) \ ((info)->base_addr == 0 && \ (info)->limit == 0 && \ (info)->contents == 0 && \ (info)->seg_not_present == 1 && \ (info)->read_exec_only == 1 && \ (info)->seg_32bit == 0 && \ (info)->limit_in_pages == 0 && \ (info)->useable == 0) /* * Macros for converting segments. * They do the same as those in arch/i386/kernel/process.c in Linux. */ #define LINUX_GET_BASE(desc) \ ((((desc)->a >> 16) & LINUX_LOWERWORD) | \ (((desc)->b << 16) & 0x00ff0000) | \ ((desc)->b & 0xff000000)) #define LINUX_GET_LIMIT(desc) \ (((desc)->a & LINUX_LOWERWORD) | \ ((desc)->b & 0xf0000)) #define LINUX_GET_32BIT(desc) \ (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1) #define LINUX_GET_CONTENTS(desc) \ (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3) #define LINUX_GET_WRITABLE(desc) \ (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1) #define LINUX_GET_LIMIT_PAGES(desc) \ (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1) #define LINUX_GET_PRESENT(desc) \ (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1) #define LINUX_GET_USEABLE(desc) \ (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1) struct iovec; struct uio; struct l_iovec32 { uint32_t iov_base; l_size_t iov_len; }; int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt, struct iovec **iovp, int error); int linux32_copyinuio(struct l_iovec32 *iovp, l_ulong iovcnt, struct uio **uiop); int linux_copyout_rusage(struct rusage *ru, void *uaddr); /* robust futexes */ struct linux_robust_list { l_uintptr_t next; }; struct linux_robust_list_head { struct linux_robust_list list; l_long futex_offset; l_uintptr_t pending_list; }; #endif /* !_AMD64_LINUX_H_ */ Index: head/sys/amd64/linux32/linux32_dummy.c =================================================================== --- head/sys/amd64/linux32/linux32_dummy.c (revision 328889) +++ head/sys/amd64/linux32/linux32_dummy.c (revision 328890) @@ -1,188 +1,188 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1994-1995 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer + * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include "opt_compat.h" #include #include #include #include #include #include #include #include #include /* DTrace init */ LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE); UNIMPLEMENTED(afs_syscall); UNIMPLEMENTED(break); UNIMPLEMENTED(create_module); /* added in linux 1.0 removed in 2.6 */ UNIMPLEMENTED(ftime); UNIMPLEMENTED(get_kernel_syms); /* added in linux 1.0 removed in 2.6 */ UNIMPLEMENTED(getpmsg); UNIMPLEMENTED(gtty); UNIMPLEMENTED(stty); UNIMPLEMENTED(lock); UNIMPLEMENTED(mpx); UNIMPLEMENTED(nfsservctl); /* added in linux 2.2 removed in 3.1 */ UNIMPLEMENTED(prof); UNIMPLEMENTED(profil); UNIMPLEMENTED(putpmsg); UNIMPLEMENTED(query_module); /* added in linux 2.2 removed in 2.6 */ UNIMPLEMENTED(ulimit); UNIMPLEMENTED(vserver); DUMMY(stime); DUMMY(olduname); DUMMY(syslog); DUMMY(uname); DUMMY(vhangup); DUMMY(swapoff); DUMMY(adjtimex); DUMMY(init_module); DUMMY(delete_module); DUMMY(quotactl); DUMMY(bdflush); DUMMY(sysfs); DUMMY(sendfile); DUMMY(setfsuid); DUMMY(setfsgid); DUMMY(pivot_root); DUMMY(ptrace); DUMMY(lookup_dcookie); DUMMY(remap_file_pages); DUMMY(mbind); DUMMY(get_mempolicy); DUMMY(set_mempolicy); DUMMY(mq_open); DUMMY(mq_unlink); DUMMY(mq_timedsend); DUMMY(mq_timedreceive); DUMMY(mq_notify); DUMMY(mq_getsetattr); DUMMY(kexec_load); /* linux 2.6.11: */ DUMMY(add_key); DUMMY(request_key); DUMMY(keyctl); /* linux 2.6.13: */ DUMMY(ioprio_set); DUMMY(ioprio_get); DUMMY(inotify_init); DUMMY(inotify_add_watch); DUMMY(inotify_rm_watch); /* linux 2.6.16: */ DUMMY(migrate_pages); DUMMY(unshare); /* linux 2.6.17: */ DUMMY(splice); DUMMY(sync_file_range); DUMMY(tee); DUMMY(vmsplice); /* linux 2.6.18: */ DUMMY(move_pages); /* linux 2.6.19: */ DUMMY(getcpu); /* linux 2.6.22: */ DUMMY(signalfd); /* linux 2.6.27: */ DUMMY(signalfd4); DUMMY(inotify_init1); /* linux 2.6.31: */ DUMMY(perf_event_open); /* linux 2.6.33: */ DUMMY(fanotify_init); DUMMY(fanotify_mark); /* linux 2.6.39: */ DUMMY(name_to_handle_at); DUMMY(open_by_handle_at); DUMMY(clock_adjtime); /* linux 3.0: */ DUMMY(setns); /* linux 3.2: */ DUMMY(process_vm_readv); DUMMY(process_vm_writev); /* linux 3.5: */ DUMMY(kcmp); /* linux 3.8: */ DUMMY(finit_module); DUMMY(sched_setattr); DUMMY(sched_getattr); /* linux 3.14: */ DUMMY(renameat2); /* linux 3.15: */ DUMMY(seccomp); DUMMY(memfd_create); /* linux 3.18: */ DUMMY(bpf); /* linux 3.19: */ DUMMY(execveat); /* linux 4.2: */ DUMMY(userfaultfd); /* linux 4.3: */ DUMMY(membarrier); /* linux 4.4: */ DUMMY(mlock2); /* linux 4.5: */ DUMMY(copy_file_range); /* linux 4.6: */ DUMMY(preadv2); DUMMY(pwritev2); /* linux 4.8: */ DUMMY(pkey_mprotect); DUMMY(pkey_alloc); DUMMY(pkey_free); #define DUMMY_XATTR(s) \ int \ linux_ ## s ## xattr( \ struct thread *td, struct linux_ ## s ## xattr_args *arg) \ { \ \ return (ENOATTR); \ } DUMMY_XATTR(set); DUMMY_XATTR(lset); DUMMY_XATTR(fset); DUMMY_XATTR(get); DUMMY_XATTR(lget); DUMMY_XATTR(fget); DUMMY_XATTR(list); DUMMY_XATTR(llist); DUMMY_XATTR(flist); DUMMY_XATTR(remove); DUMMY_XATTR(lremove); DUMMY_XATTR(fremove); Index: head/sys/amd64/linux32/linux32_locore.s =================================================================== --- head/sys/amd64/linux32/linux32_locore.s (revision 328889) +++ head/sys/amd64/linux32/linux32_locore.s (revision 328890) @@ -1,156 +1,156 @@ /* $FreeBSD$ */ #include "linux32_assym.h" /* system definitions */ #include /* miscellaneous asm macros */ #include /* system call numbers */ .data .globl linux_platform linux_platform: .asciz "i686" .text .code32 /* * To avoid excess stack frame the signal trampoline code emulates * the 'call' instruction. */ NON_GPROF_ENTRY(linux32_sigcode) movl %esp, %ebx /* preserve sigframe */ call .getip0 .getip0: popl %eax add $.startsigcode-.getip0, %eax /* ret address */ push %eax jmp *LINUX_SIGF_HANDLER(%ebx) .startsigcode: popl %eax movl $LINUX32_SYS_linux_sigreturn,%eax /* linux_sigreturn() */ int $0x80 /* enter kernel with args */ .endsigcode: 0: jmp 0b NON_GPROF_ENTRY(linux32_rt_sigcode) leal LINUX_RT_SIGF_UC(%esp),%ebx /* linux ucp */ leal LINUX_RT_SIGF_SC(%ebx),%ecx /* linux sigcontext */ movl %esp, %edi call .getip1 .getip1: popl %eax add $.startrtsigcode-.getip1, %eax /* ret address */ push %eax jmp *LINUX_RT_SIGF_HANDLER(%edi) .startrtsigcode: movl $LINUX32_SYS_linux_rt_sigreturn,%eax /* linux_rt_sigreturn() */ int $0x80 /* enter kernel with args */ .endrtsigcode: 0: jmp 0b NON_GPROF_ENTRY(linux32_vsyscall) .startvsyscall: int $0x80 ret .endvsyscall: #if 0 .section .note.Linux, "a",@note .long 2f - 1f /* namesz */ .balign 4 .long 4f - 3f /* descsz */ .long 0 1: .asciz "Linux" 2: .balign 4 3: .long LINUX_VERSION_CODE 4: .balign 4 .previous #endif -#define do_cfa_expr(offset) \ - .byte 0x0f; /* DW_CFA_def_cfa_expression */ \ - .uleb128 11f-10f; /* length */ \ -10: .byte 0x74; /* DW_OP_breg4 */ \ - .sleb128 offset; /* offset */ \ - .byte 0x06; /* DW_OP_deref */ \ +#define do_cfa_expr(offset) \ + .byte 0x0f; /* DW_CFA_def_cfa_expression */ \ + .uleb128 11f-10f; /* length */ \ +10: .byte 0x74; /* DW_OP_breg4 */ \ + .sleb128 offset; /* offset */ \ + .byte 0x06; /* DW_OP_deref */ \ 11: /* CIE */ .section .eh_frame,"a",@progbits .LSTARTFRAMEDLSI1: .long .LENDCIEDLSI1-.LSTARTCIEDLSI1 .LSTARTCIEDLSI1: .long 0 /* CIE ID */ .byte 1 /* Version number */ .string "zRS" /* NULL-terminated * augmentation string */ .uleb128 1 /* Code alignment factor */ .sleb128 -4 /* Data alignment factor */ .byte 8 /* Return address * register column */ .uleb128 1 /* Augmentation value length */ .byte 0x1b /* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */ .byte 0 /* DW_CFA_nop */ .align 4 .LENDCIEDLSI1: /* FDE */ .long .LENDFDEDLSI1-.LSTARTFDEDLSI1 /* Length FDE */ .LSTARTFDEDLSI1: .long .LSTARTFDEDLSI1-.LSTARTFRAMEDLSI1 /* CIE pointer */ .long .startsigcode-. /* PC-relative start address */ .long .endsigcode-.startsigcode .uleb128 0 /* Augmentation */ do_cfa_expr(LINUX_SIGF_SC-8) .align 4 .LENDFDEDLSI1: .long .LENDFDEDLSI2-.LSTARTFDEDLSI2 /* Length FDE */ .LSTARTFDEDLSI2: .long .LSTARTFDEDLSI2-.LSTARTFRAMEDLSI1 /* CIE pointer */ .long .startrtsigcode-. /* PC-relative start address */ .long .endrtsigcode-.startrtsigcode .uleb128 0 /* Augmentation */ do_cfa_expr(LINUX_RT_SIGF_SC-4+LINUX_SC_ESP) .align 4 .LENDFDEDLSI2: .previous .section .eh_frame,"a",@progbits .LSTARTFRAMEDLSI2: .long .LENDCIEDLSI2-.LSTARTCIEDLSI2 .LSTARTCIEDLSI2: .long 0 /* CIE ID */ .byte 1 /* Version number */ .string "zR" /* NULL-terminated * augmentation string */ .uleb128 1 /* Code alignment factor */ .sleb128 -4 /* Data alignment factor */ .byte 8 /* Return address register column */ .uleb128 1 /* Augmentation value length */ .byte 0x1b /* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */ .byte 0x0c /* DW_CFA_def_cfa */ .uleb128 4 .uleb128 4 .byte 0x88 /* DW_CFA_offset, column 0x8 */ .uleb128 1 .align 4 .LENDCIEDLSI2: .long .LENDFDEDLSI3-.LSTARTFDEDLSI3 /* Length FDE */ .LSTARTFDEDLSI3: .long .LSTARTFDEDLSI3-.LSTARTFRAMEDLSI2 /* CIE pointer */ .long .startvsyscall-. /* PC-relative start address */ .long .endvsyscall-.startvsyscall .uleb128 0 .align 4 .LENDFDEDLSI3: .previous Index: head/sys/amd64/linux32/linux32_sysvec.c =================================================================== --- head/sys/amd64/linux32/linux32_sysvec.c (revision 328889) +++ head/sys/amd64/linux32/linux32_sysvec.c (revision 328890) @@ -1,1221 +1,1219 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2004 Tim J. Robbins * Copyright (c) 2003 Peter Wemm * Copyright (c) 2002 Doug Rabson * Copyright (c) 1998-1999 Andrew Gallatin * Copyright (c) 1994-1996 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include "opt_compat.h" #ifndef COMPAT_FREEBSD32 #error "Unable to compile Linux-emulator due to missing COMPAT_FREEBSD32 option!" #endif #define __ELF_WORD_SIZE 32 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include MODULE_VERSION(linux, 1); #define AUXARGS_ENTRY_32(pos, id, val) \ do { \ suword32(pos++, id); \ suword32(pos++, val); \ } while (0) #if BYTE_ORDER == LITTLE_ENDIAN #define SHELLMAGIC 0x2123 /* #! */ #else #define SHELLMAGIC 0x2321 #endif /* * Allow the sendsig functions to use the ldebug() facility * even though they are not syscalls themselves. Map them * to syscall 0. This is slightly less bogus than using * ldebug(sigreturn). */ #define LINUX32_SYS_linux_rt_sendsig 0 #define LINUX32_SYS_linux_sendsig 0 const char *linux_kplatform; static int linux_szsigcode; static vm_object_t linux_shared_page_obj; static char *linux_shared_page_mapping; extern char _binary_linux32_locore_o_start; extern char _binary_linux32_locore_o_end; extern struct sysent linux32_sysent[LINUX32_SYS_MAXSYSCALL]; SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler); static int elf_linux_fixup(register_t **stack_base, struct image_params *iparams); static register_t *linux_copyout_strings(struct image_params *imgp); static void linux_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask); -static void exec_linux_setregs(struct thread *td, +static void exec_linux_setregs(struct thread *td, struct image_params *imgp, u_long stack); static void linux32_fixlimit(struct rlimit *rl, int which); static boolean_t linux32_trans_osrel(const Elf_Note *note, int32_t *osrel); static void linux_vdso_install(void *param); static void linux_vdso_deinstall(void *param); /* * Linux syscalls return negative errno's, we do positive and map them * Reference: * FreeBSD: src/sys/sys/errno.h * Linux: linux-2.6.17.8/include/asm-generic/errno-base.h * linux-2.6.17.8/include/asm-generic/errno.h */ static int bsd_to_linux_errno[ELAST + 1] = { -0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -35, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23, -24, -25, -26, -27, -28, -29, -30, -31, -32, -33, -34, -11,-115,-114, -88, -89, -90, -91, -92, -93, -94, -95, -96, -97, -98, -99, -100,-101,-102,-103,-104,-105,-106,-107,-108,-109, -110,-111, -40, -36,-112,-113, -39, -11, -87,-122, -116, -66, -6, -6, -6, -6, -6, -37, -38, -9, -6, -6, -43, -42, -75,-125, -84, -61, -16, -74, -72, -67, -71 }; #define LINUX_T_UNKNOWN 255 static int _bsd_to_linux_trapcode[] = { LINUX_T_UNKNOWN, /* 0 */ 6, /* 1 T_PRIVINFLT */ LINUX_T_UNKNOWN, /* 2 */ 3, /* 3 T_BPTFLT */ LINUX_T_UNKNOWN, /* 4 */ LINUX_T_UNKNOWN, /* 5 */ 16, /* 6 T_ARITHTRAP */ 254, /* 7 T_ASTFLT */ LINUX_T_UNKNOWN, /* 8 */ 13, /* 9 T_PROTFLT */ 1, /* 10 T_TRCTRAP */ LINUX_T_UNKNOWN, /* 11 */ 14, /* 12 T_PAGEFLT */ LINUX_T_UNKNOWN, /* 13 */ 17, /* 14 T_ALIGNFLT */ LINUX_T_UNKNOWN, /* 15 */ LINUX_T_UNKNOWN, /* 16 */ LINUX_T_UNKNOWN, /* 17 */ 0, /* 18 T_DIVIDE */ 2, /* 19 T_NMI */ 4, /* 20 T_OFLOW */ 5, /* 21 T_BOUND */ 7, /* 22 T_DNA */ 8, /* 23 T_DOUBLEFLT */ 9, /* 24 T_FPOPFLT */ 10, /* 25 T_TSSFLT */ 11, /* 26 T_SEGNPFLT */ 12, /* 27 T_STKFLT */ 18, /* 28 T_MCHK */ 19, /* 29 T_XMMFLT */ 15 /* 30 T_RESERVED */ }; #define bsd_to_linux_trapcode(code) \ ((code)td_proc == imgp->proc, ("unsafe elf_linux_fixup(), should be curproc")); base = (Elf32_Addr *)*stack_base; args = (Elf32_Auxargs *)imgp->auxargs; pos = base + (imgp->args->argc + imgp->args->envc + 2); issetugid = imgp->proc->p_flag & P_SUGID ? 1 : 0; AUXARGS_ENTRY_32(pos, LINUX_AT_SYSINFO_EHDR, imgp->proc->p_sysent->sv_shared_page_base); AUXARGS_ENTRY_32(pos, LINUX_AT_SYSINFO, linux32_vsyscall); AUXARGS_ENTRY_32(pos, LINUX_AT_HWCAP, cpu_feature); /* * Do not export AT_CLKTCK when emulating Linux kernel prior to 2.4.0, * as it has appeared in the 2.4.0-rc7 first time. * Being exported, AT_CLKTCK is returned by sysconf(_SC_CLK_TCK), * glibc falls back to the hard-coded CLK_TCK value when aux entry * is not present. * Also see linux_times() implementation. */ if (linux_kernver(curthread) >= LINUX_KERNVER_2004000) AUXARGS_ENTRY_32(pos, LINUX_AT_CLKTCK, stclohz); AUXARGS_ENTRY_32(pos, AT_PHDR, args->phdr); AUXARGS_ENTRY_32(pos, AT_PHENT, args->phent); AUXARGS_ENTRY_32(pos, AT_PHNUM, args->phnum); AUXARGS_ENTRY_32(pos, AT_PAGESZ, args->pagesz); AUXARGS_ENTRY_32(pos, AT_FLAGS, args->flags); AUXARGS_ENTRY_32(pos, AT_ENTRY, args->entry); AUXARGS_ENTRY_32(pos, AT_BASE, args->base); AUXARGS_ENTRY_32(pos, LINUX_AT_SECURE, issetugid); AUXARGS_ENTRY_32(pos, AT_UID, imgp->proc->p_ucred->cr_ruid); AUXARGS_ENTRY_32(pos, AT_EUID, imgp->proc->p_ucred->cr_svuid); AUXARGS_ENTRY_32(pos, AT_GID, imgp->proc->p_ucred->cr_rgid); AUXARGS_ENTRY_32(pos, AT_EGID, imgp->proc->p_ucred->cr_svgid); AUXARGS_ENTRY_32(pos, LINUX_AT_PLATFORM, PTROUT(linux_platform)); AUXARGS_ENTRY(pos, LINUX_AT_RANDOM, PTROUT(imgp->canary)); if (imgp->execpathp != 0) AUXARGS_ENTRY(pos, LINUX_AT_EXECFN, PTROUT(imgp->execpathp)); if (args->execfd != -1) AUXARGS_ENTRY_32(pos, AT_EXECFD, args->execfd); AUXARGS_ENTRY_32(pos, AT_NULL, 0); free(imgp->auxargs, M_TEMP); imgp->auxargs = NULL; base--; suword32(base, (uint32_t)imgp->args->argc); *stack_base = (register_t *)base; return (0); } static void linux_rt_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask) { struct thread *td = curthread; struct proc *p = td->td_proc; struct sigacts *psp; struct trapframe *regs; struct l_rt_sigframe *fp, frame; int oonstack; int sig; int code; - + sig = ksi->ksi_signo; code = ksi->ksi_code; PROC_LOCK_ASSERT(p, MA_OWNED); psp = p->p_sigacts; mtx_assert(&psp->ps_mtx, MA_OWNED); regs = td->td_frame; oonstack = sigonstack(regs->tf_rsp); #ifdef DEBUG if (ldebug(rt_sendsig)) printf(ARGS(rt_sendsig, "%p, %d, %p, %u"), catcher, sig, (void*)mask, code); #endif /* * Allocate space for the signal handler context. */ if ((td->td_pflags & TDP_ALTSTACK) && !oonstack && SIGISMEMBER(psp->ps_sigonstack, sig)) { fp = (struct l_rt_sigframe *)((uintptr_t)td->td_sigstk.ss_sp + td->td_sigstk.ss_size - sizeof(struct l_rt_sigframe)); } else fp = (struct l_rt_sigframe *)regs->tf_rsp - 1; mtx_unlock(&psp->ps_mtx); /* * Build the argument list for the signal handler. */ sig = bsd_to_linux_signal(sig); bzero(&frame, sizeof(frame)); frame.sf_handler = PTROUT(catcher); frame.sf_sig = sig; frame.sf_siginfo = PTROUT(&fp->sf_si); frame.sf_ucontext = PTROUT(&fp->sf_sc); /* Fill in POSIX parts */ ksiginfo_to_lsiginfo(ksi, &frame.sf_si, sig); /* * Build the signal context to be used by sigreturn * and libgcc unwind. */ frame.sf_sc.uc_flags = 0; /* XXX ??? */ frame.sf_sc.uc_link = 0; /* XXX ??? */ frame.sf_sc.uc_stack.ss_sp = PTROUT(td->td_sigstk.ss_sp); frame.sf_sc.uc_stack.ss_size = td->td_sigstk.ss_size; frame.sf_sc.uc_stack.ss_flags = (td->td_pflags & TDP_ALTSTACK) ? ((oonstack) ? LINUX_SS_ONSTACK : 0) : LINUX_SS_DISABLE; PROC_UNLOCK(p); bsd_to_linux_sigset(mask, &frame.sf_sc.uc_sigmask); frame.sf_sc.uc_mcontext.sc_mask = frame.sf_sc.uc_sigmask.__mask; frame.sf_sc.uc_mcontext.sc_edi = regs->tf_rdi; frame.sf_sc.uc_mcontext.sc_esi = regs->tf_rsi; frame.sf_sc.uc_mcontext.sc_ebp = regs->tf_rbp; frame.sf_sc.uc_mcontext.sc_ebx = regs->tf_rbx; frame.sf_sc.uc_mcontext.sc_esp = regs->tf_rsp; frame.sf_sc.uc_mcontext.sc_edx = regs->tf_rdx; frame.sf_sc.uc_mcontext.sc_ecx = regs->tf_rcx; frame.sf_sc.uc_mcontext.sc_eax = regs->tf_rax; frame.sf_sc.uc_mcontext.sc_eip = regs->tf_rip; frame.sf_sc.uc_mcontext.sc_cs = regs->tf_cs; frame.sf_sc.uc_mcontext.sc_gs = regs->tf_gs; frame.sf_sc.uc_mcontext.sc_fs = regs->tf_fs; frame.sf_sc.uc_mcontext.sc_es = regs->tf_es; frame.sf_sc.uc_mcontext.sc_ds = regs->tf_ds; frame.sf_sc.uc_mcontext.sc_eflags = regs->tf_rflags; frame.sf_sc.uc_mcontext.sc_esp_at_signal = regs->tf_rsp; frame.sf_sc.uc_mcontext.sc_ss = regs->tf_ss; frame.sf_sc.uc_mcontext.sc_err = regs->tf_err; frame.sf_sc.uc_mcontext.sc_cr2 = (u_int32_t)(uintptr_t)ksi->ksi_addr; frame.sf_sc.uc_mcontext.sc_trapno = bsd_to_linux_trapcode(code); #ifdef DEBUG if (ldebug(rt_sendsig)) printf(LMSG("rt_sendsig flags: 0x%x, sp: %p, ss: 0x%lx, mask: 0x%x"), frame.sf_sc.uc_stack.ss_flags, td->td_sigstk.ss_sp, td->td_sigstk.ss_size, frame.sf_sc.uc_mcontext.sc_mask); #endif if (copyout(&frame, fp, sizeof(frame)) != 0) { /* * Process has trashed its stack; give it an illegal * instruction to halt it in its tracks. */ #ifdef DEBUG if (ldebug(rt_sendsig)) printf(LMSG("rt_sendsig: bad stack %p, oonstack=%x"), fp, oonstack); #endif PROC_LOCK(p); sigexit(td, SIGILL); } /* * Build context to run handler in. */ regs->tf_rsp = PTROUT(fp); regs->tf_rip = linux32_rt_sigcode; regs->tf_rflags &= ~(PSL_T | PSL_D); regs->tf_cs = _ucode32sel; regs->tf_ss = _udatasel; regs->tf_ds = _udatasel; regs->tf_es = _udatasel; regs->tf_fs = _ufssel; regs->tf_gs = _ugssel; regs->tf_flags = TF_HASSEGS; set_pcb_flags(td->td_pcb, PCB_FULL_IRET); PROC_LOCK(p); mtx_lock(&psp->ps_mtx); } /* * Send an interrupt to process. * * Stack is set up to allow sigcode stored * in u. to call routine, followed by kcall * to sigreturn routine below. After sigreturn * resets the signal mask, the stack, and the * frame pointer, it returns to the user * specified pc, psl. */ static void linux_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask) { struct thread *td = curthread; struct proc *p = td->td_proc; struct sigacts *psp; struct trapframe *regs; struct l_sigframe *fp, frame; l_sigset_t lmask; int oonstack; int sig, code; sig = ksi->ksi_signo; code = ksi->ksi_code; PROC_LOCK_ASSERT(p, MA_OWNED); psp = p->p_sigacts; mtx_assert(&psp->ps_mtx, MA_OWNED); if (SIGISMEMBER(psp->ps_siginfo, sig)) { /* Signal handler installed with SA_SIGINFO. */ linux_rt_sendsig(catcher, ksi, mask); return; } regs = td->td_frame; oonstack = sigonstack(regs->tf_rsp); #ifdef DEBUG if (ldebug(sendsig)) printf(ARGS(sendsig, "%p, %d, %p, %u"), catcher, sig, (void*)mask, code); #endif /* * Allocate space for the signal handler context. */ if ((td->td_pflags & TDP_ALTSTACK) && !oonstack && SIGISMEMBER(psp->ps_sigonstack, sig)) { fp = (struct l_sigframe *)((uintptr_t)td->td_sigstk.ss_sp + td->td_sigstk.ss_size - sizeof(struct l_sigframe)); } else fp = (struct l_sigframe *)regs->tf_rsp - 1; mtx_unlock(&psp->ps_mtx); PROC_UNLOCK(p); /* * Build the argument list for the signal handler. */ sig = bsd_to_linux_signal(sig); bzero(&frame, sizeof(frame)); frame.sf_handler = PTROUT(catcher); frame.sf_sig = sig; bsd_to_linux_sigset(mask, &lmask); /* * Build the signal context to be used by sigreturn. */ frame.sf_sc.sc_mask = lmask.__mask; frame.sf_sc.sc_gs = regs->tf_gs; frame.sf_sc.sc_fs = regs->tf_fs; frame.sf_sc.sc_es = regs->tf_es; frame.sf_sc.sc_ds = regs->tf_ds; frame.sf_sc.sc_edi = regs->tf_rdi; frame.sf_sc.sc_esi = regs->tf_rsi; frame.sf_sc.sc_ebp = regs->tf_rbp; frame.sf_sc.sc_ebx = regs->tf_rbx; frame.sf_sc.sc_esp = regs->tf_rsp; frame.sf_sc.sc_edx = regs->tf_rdx; frame.sf_sc.sc_ecx = regs->tf_rcx; frame.sf_sc.sc_eax = regs->tf_rax; frame.sf_sc.sc_eip = regs->tf_rip; frame.sf_sc.sc_cs = regs->tf_cs; frame.sf_sc.sc_eflags = regs->tf_rflags; frame.sf_sc.sc_esp_at_signal = regs->tf_rsp; frame.sf_sc.sc_ss = regs->tf_ss; frame.sf_sc.sc_err = regs->tf_err; frame.sf_sc.sc_cr2 = (u_int32_t)(uintptr_t)ksi->ksi_addr; frame.sf_sc.sc_trapno = bsd_to_linux_trapcode(code); frame.sf_extramask[0] = lmask.__mask; if (copyout(&frame, fp, sizeof(frame)) != 0) { /* * Process has trashed its stack; give it an illegal * instruction to halt it in its tracks. */ PROC_LOCK(p); sigexit(td, SIGILL); } /* * Build context to run handler in. */ regs->tf_rsp = PTROUT(fp); regs->tf_rip = linux32_sigcode; regs->tf_rflags &= ~(PSL_T | PSL_D); regs->tf_cs = _ucode32sel; regs->tf_ss = _udatasel; regs->tf_ds = _udatasel; regs->tf_es = _udatasel; regs->tf_fs = _ufssel; regs->tf_gs = _ugssel; regs->tf_flags = TF_HASSEGS; set_pcb_flags(td->td_pcb, PCB_FULL_IRET); PROC_LOCK(p); mtx_lock(&psp->ps_mtx); } /* * System call to cleanup state after a signal * has been taken. Reset signal mask and * stack state from context left by sendsig (above). * Return to previous pc and psl as specified by * context left by sendsig. Check carefully to * make sure that the user has not modified the * psl to gain improper privileges or to cause * a machine fault. */ int linux_sigreturn(struct thread *td, struct linux_sigreturn_args *args) { struct l_sigframe frame; struct trapframe *regs; sigset_t bmask; l_sigset_t lmask; int eflags; ksiginfo_t ksi; regs = td->td_frame; #ifdef DEBUG if (ldebug(sigreturn)) printf(ARGS(sigreturn, "%p"), (void *)args->sfp); #endif /* * The trampoline code hands us the sigframe. * It is unsafe to keep track of it ourselves, in the event that a * program jumps out of a signal handler. */ if (copyin(args->sfp, &frame, sizeof(frame)) != 0) return (EFAULT); /* * Check for security violations. */ #define EFLAGS_SECURE(ef, oef) ((((ef) ^ (oef)) & ~PSL_USERCHANGE) == 0) eflags = frame.sf_sc.sc_eflags; if (!EFLAGS_SECURE(eflags, regs->tf_rflags)) return(EINVAL); /* * Don't allow users to load a valid privileged %cs. Let the * hardware check for invalid selectors, excess privilege in * other selectors, invalid %eip's and invalid %esp's. */ #define CS_SECURE(cs) (ISPL(cs) == SEL_UPL) if (!CS_SECURE(frame.sf_sc.sc_cs)) { ksiginfo_init_trap(&ksi); ksi.ksi_signo = SIGBUS; ksi.ksi_code = BUS_OBJERR; ksi.ksi_trapno = T_PROTFLT; ksi.ksi_addr = (void *)regs->tf_rip; trapsignal(td, &ksi); return(EINVAL); } lmask.__mask = frame.sf_sc.sc_mask; lmask.__mask = frame.sf_extramask[0]; linux_to_bsd_sigset(&lmask, &bmask); kern_sigprocmask(td, SIG_SETMASK, &bmask, NULL, 0); /* * Restore signal context. */ regs->tf_rdi = frame.sf_sc.sc_edi; regs->tf_rsi = frame.sf_sc.sc_esi; regs->tf_rbp = frame.sf_sc.sc_ebp; regs->tf_rbx = frame.sf_sc.sc_ebx; regs->tf_rdx = frame.sf_sc.sc_edx; regs->tf_rcx = frame.sf_sc.sc_ecx; regs->tf_rax = frame.sf_sc.sc_eax; regs->tf_rip = frame.sf_sc.sc_eip; regs->tf_cs = frame.sf_sc.sc_cs; regs->tf_ds = frame.sf_sc.sc_ds; regs->tf_es = frame.sf_sc.sc_es; regs->tf_fs = frame.sf_sc.sc_fs; regs->tf_gs = frame.sf_sc.sc_gs; regs->tf_rflags = eflags; regs->tf_rsp = frame.sf_sc.sc_esp_at_signal; regs->tf_ss = frame.sf_sc.sc_ss; set_pcb_flags(td->td_pcb, PCB_FULL_IRET); return (EJUSTRETURN); } /* * System call to cleanup state after a signal * has been taken. Reset signal mask and * stack state from context left by rt_sendsig (above). * Return to previous pc and psl as specified by * context left by sendsig. Check carefully to * make sure that the user has not modified the * psl to gain improper privileges or to cause * a machine fault. */ int linux_rt_sigreturn(struct thread *td, struct linux_rt_sigreturn_args *args) { struct l_ucontext uc; struct l_sigcontext *context; sigset_t bmask; l_stack_t *lss; stack_t ss; struct trapframe *regs; int eflags; ksiginfo_t ksi; regs = td->td_frame; #ifdef DEBUG if (ldebug(rt_sigreturn)) printf(ARGS(rt_sigreturn, "%p"), (void *)args->ucp); #endif /* * The trampoline code hands us the ucontext. * It is unsafe to keep track of it ourselves, in the event that a * program jumps out of a signal handler. */ if (copyin(args->ucp, &uc, sizeof(uc)) != 0) return (EFAULT); context = &uc.uc_mcontext; /* * Check for security violations. */ #define EFLAGS_SECURE(ef, oef) ((((ef) ^ (oef)) & ~PSL_USERCHANGE) == 0) eflags = context->sc_eflags; if (!EFLAGS_SECURE(eflags, regs->tf_rflags)) return(EINVAL); /* * Don't allow users to load a valid privileged %cs. Let the * hardware check for invalid selectors, excess privilege in * other selectors, invalid %eip's and invalid %esp's. */ #define CS_SECURE(cs) (ISPL(cs) == SEL_UPL) if (!CS_SECURE(context->sc_cs)) { ksiginfo_init_trap(&ksi); ksi.ksi_signo = SIGBUS; ksi.ksi_code = BUS_OBJERR; ksi.ksi_trapno = T_PROTFLT; ksi.ksi_addr = (void *)regs->tf_rip; trapsignal(td, &ksi); return(EINVAL); } linux_to_bsd_sigset(&uc.uc_sigmask, &bmask); kern_sigprocmask(td, SIG_SETMASK, &bmask, NULL, 0); /* * Restore signal context */ regs->tf_gs = context->sc_gs; regs->tf_fs = context->sc_fs; regs->tf_es = context->sc_es; regs->tf_ds = context->sc_ds; regs->tf_rdi = context->sc_edi; regs->tf_rsi = context->sc_esi; regs->tf_rbp = context->sc_ebp; regs->tf_rbx = context->sc_ebx; regs->tf_rdx = context->sc_edx; regs->tf_rcx = context->sc_ecx; regs->tf_rax = context->sc_eax; regs->tf_rip = context->sc_eip; regs->tf_cs = context->sc_cs; regs->tf_rflags = eflags; regs->tf_rsp = context->sc_esp_at_signal; regs->tf_ss = context->sc_ss; set_pcb_flags(td->td_pcb, PCB_FULL_IRET); /* * call sigaltstack & ignore results.. */ lss = &uc.uc_stack; ss.ss_sp = PTRIN(lss->ss_sp); ss.ss_size = lss->ss_size; ss.ss_flags = linux_to_bsd_sigaltstack(lss->ss_flags); #ifdef DEBUG if (ldebug(rt_sigreturn)) printf(LMSG("rt_sigret flags: 0x%x, sp: %p, ss: 0x%lx, mask: 0x%x"), ss.ss_flags, ss.ss_sp, ss.ss_size, context->sc_mask); #endif (void)kern_sigaltstack(td, &ss, NULL); return (EJUSTRETURN); } static int linux32_fetch_syscall_args(struct thread *td) { struct proc *p; struct trapframe *frame; struct syscall_args *sa; p = td->td_proc; frame = td->td_frame; sa = &td->td_sa; sa->args[0] = frame->tf_rbx; sa->args[1] = frame->tf_rcx; sa->args[2] = frame->tf_rdx; sa->args[3] = frame->tf_rsi; sa->args[4] = frame->tf_rdi; sa->args[5] = frame->tf_rbp; /* Unconfirmed */ sa->code = frame->tf_rax; if (sa->code >= p->p_sysent->sv_size) /* nosys */ sa->callp = &p->p_sysent->sv_table[p->p_sysent->sv_size - 1]; else sa->callp = &p->p_sysent->sv_table[sa->code]; sa->narg = sa->callp->sy_narg; td->td_retval[0] = 0; td->td_retval[1] = frame->tf_rdx; return (0); } /* * If a linux binary is exec'ing something, try this image activator * first. We override standard shell script execution in order to * be able to modify the interpreter path. We only do this if a linux * binary is doing the exec, so we do not create an EXEC module for it. */ static int exec_linux_imgact_try(struct image_params *iparams); static int exec_linux_imgact_try(struct image_params *imgp) { const char *head = (const char *)imgp->image_header; char *rpath; int error = -1; /* * The interpreter for shell scripts run from a linux binary needs * to be located in /compat/linux if possible in order to recursively * maintain linux path emulation. */ if (((const short *)head)[0] == SHELLMAGIC) { /* * Run our normal shell image activator. If it succeeds attempt * to use the alternate path for the interpreter. If an * alternate * path is found, use our stringspace to store it. */ if ((error = exec_shell_imgact(imgp)) == 0) { linux_emul_convpath(FIRST_THREAD_IN_PROC(imgp->proc), imgp->interpreter_name, UIO_SYSSPACE, &rpath, 0, AT_FDCWD); if (rpath != NULL) imgp->args->fname_buf = imgp->interpreter_name = rpath; } } return (error); } /* * Clear registers on exec * XXX copied from ia32_signal.c. */ static void exec_linux_setregs(struct thread *td, struct image_params *imgp, u_long stack) { struct trapframe *regs = td->td_frame; struct pcb *pcb = td->td_pcb; if (td->td_proc->p_md.md_ldt != NULL) user_ldt_free(td); critical_enter(); wrmsr(MSR_FSBASE, 0); wrmsr(MSR_KGSBASE, 0); /* User value while we're in the kernel */ pcb->pcb_fsbase = 0; pcb->pcb_gsbase = 0; critical_exit(); pcb->pcb_initial_fpucw = __LINUX_NPXCW__; bzero((char *)regs, sizeof(struct trapframe)); regs->tf_rip = imgp->entry_addr; regs->tf_rsp = stack; regs->tf_rflags = PSL_USER | (regs->tf_rflags & PSL_T); regs->tf_gs = _ugssel; regs->tf_fs = _ufssel; regs->tf_es = _udatasel; regs->tf_ds = _udatasel; regs->tf_ss = _udatasel; regs->tf_flags = TF_HASSEGS; regs->tf_cs = _ucode32sel; regs->tf_rbx = imgp->ps_strings; fpstate_drop(td); /* Do full restore on return so that we can change to a different %cs */ set_pcb_flags(pcb, PCB_32BIT | PCB_FULL_IRET); } /* * XXX copied from ia32_sysvec.c. */ static register_t * linux_copyout_strings(struct image_params *imgp) { int argc, envc; u_int32_t *vectp; char *stringp, *destp; u_int32_t *stack_base; struct linux32_ps_strings *arginfo; char canary[LINUX_AT_RANDOM_LEN]; size_t execpath_len; /* * Calculate string base and vector table pointers. */ if (imgp->execpath != NULL && imgp->auxargs != NULL) execpath_len = strlen(imgp->execpath) + 1; else execpath_len = 0; arginfo = (struct linux32_ps_strings *)LINUX32_PS_STRINGS; destp = (caddr_t)arginfo - SPARE_USRSPACE - roundup(sizeof(canary), sizeof(char *)) - roundup(execpath_len, sizeof(char *)) - roundup(ARG_MAX - imgp->args->stringspace, sizeof(char *)); if (execpath_len != 0) { imgp->execpathp = (uintptr_t)arginfo - execpath_len; copyout(imgp->execpath, (void *)imgp->execpathp, execpath_len); } /* * Prepare the canary for SSP. */ arc4rand(canary, sizeof(canary), 0); imgp->canary = (uintptr_t)arginfo - roundup(execpath_len, sizeof(char *)) - roundup(sizeof(canary), sizeof(char *)); copyout(canary, (void *)imgp->canary, sizeof(canary)); /* * If we have a valid auxargs ptr, prepare some room * on the stack. */ if (imgp->auxargs) { /* * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for * lower compatibility. */ imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size : (LINUX_AT_COUNT * 2); /* * The '+ 2' is for the null pointers at the end of each of * the arg and env vector sets,and imgp->auxarg_size is room * for argument of Runtime loader. */ vectp = (u_int32_t *) (destp - (imgp->args->argc + imgp->args->envc + 2 + imgp->auxarg_size) * sizeof(u_int32_t)); } else /* * The '+ 2' is for the null pointers at the end of each of * the arg and env vector sets */ vectp = (u_int32_t *)(destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(u_int32_t)); /* * vectp also becomes our initial stack base */ stack_base = vectp; stringp = imgp->args->begin_argv; argc = imgp->args->argc; envc = imgp->args->envc; /* * Copy out strings - arguments and environment. */ copyout(stringp, destp, ARG_MAX - imgp->args->stringspace); /* * Fill in "ps_strings" struct for ps, w, etc. */ suword32(&arginfo->ps_argvstr, (uint32_t)(intptr_t)vectp); suword32(&arginfo->ps_nargvstr, argc); /* * Fill in argument portion of vector table. */ for (; argc > 0; --argc) { suword32(vectp++, (uint32_t)(intptr_t)destp); while (*stringp++ != 0) destp++; destp++; } /* a null vector table pointer separates the argp's from the envp's */ suword32(vectp++, 0); suword32(&arginfo->ps_envstr, (uint32_t)(intptr_t)vectp); suword32(&arginfo->ps_nenvstr, envc); /* * Fill in environment portion of vector table. */ for (; envc > 0; --envc) { suword32(vectp++, (uint32_t)(intptr_t)destp); while (*stringp++ != 0) destp++; destp++; } /* end of vector table is a null pointer */ suword32(vectp, 0); return ((register_t *)stack_base); } static SYSCTL_NODE(_compat, OID_AUTO, linux32, CTLFLAG_RW, 0, "32-bit Linux emulation"); static u_long linux32_maxdsiz = LINUX32_MAXDSIZ; SYSCTL_ULONG(_compat_linux32, OID_AUTO, maxdsiz, CTLFLAG_RW, &linux32_maxdsiz, 0, ""); static u_long linux32_maxssiz = LINUX32_MAXSSIZ; SYSCTL_ULONG(_compat_linux32, OID_AUTO, maxssiz, CTLFLAG_RW, &linux32_maxssiz, 0, ""); static u_long linux32_maxvmem = LINUX32_MAXVMEM; SYSCTL_ULONG(_compat_linux32, OID_AUTO, maxvmem, CTLFLAG_RW, &linux32_maxvmem, 0, ""); #if defined(DEBUG) -SYSCTL_PROC(_compat_linux32, OID_AUTO, debug, - CTLTYPE_STRING | CTLFLAG_RW, - 0, 0, linux_sysctl_debug, "A", - "Linux debugging control"); +SYSCTL_PROC(_compat_linux32, OID_AUTO, debug, CTLTYPE_STRING | CTLFLAG_RW, 0, 0, + linux_sysctl_debug, "A", "Linux debugging control"); #endif static void linux32_fixlimit(struct rlimit *rl, int which) { switch (which) { case RLIMIT_DATA: if (linux32_maxdsiz != 0) { if (rl->rlim_cur > linux32_maxdsiz) rl->rlim_cur = linux32_maxdsiz; if (rl->rlim_max > linux32_maxdsiz) rl->rlim_max = linux32_maxdsiz; } break; case RLIMIT_STACK: if (linux32_maxssiz != 0) { if (rl->rlim_cur > linux32_maxssiz) rl->rlim_cur = linux32_maxssiz; if (rl->rlim_max > linux32_maxssiz) rl->rlim_max = linux32_maxssiz; } break; case RLIMIT_VMEM: if (linux32_maxvmem != 0) { if (rl->rlim_cur > linux32_maxvmem) rl->rlim_cur = linux32_maxvmem; if (rl->rlim_max > linux32_maxvmem) rl->rlim_max = linux32_maxvmem; } break; } } struct sysentvec elf_linux_sysvec = { .sv_size = LINUX32_SYS_MAXSYSCALL, .sv_table = linux32_sysent, .sv_mask = 0, .sv_errsize = ELAST + 1, .sv_errtbl = bsd_to_linux_errno, .sv_transtrap = translate_traps, .sv_fixup = elf_linux_fixup, .sv_sendsig = linux_sendsig, .sv_sigcode = &_binary_linux32_locore_o_start, .sv_szsigcode = &linux_szsigcode, .sv_name = "Linux ELF32", .sv_coredump = elf32_coredump, .sv_imgact_try = exec_linux_imgact_try, .sv_minsigstksz = LINUX_MINSIGSTKSZ, .sv_pagesize = PAGE_SIZE, .sv_minuser = VM_MIN_ADDRESS, .sv_maxuser = LINUX32_MAXUSER, .sv_usrstack = LINUX32_USRSTACK, .sv_psstrings = LINUX32_PS_STRINGS, .sv_stackprot = VM_PROT_ALL, .sv_copyout_strings = linux_copyout_strings, .sv_setregs = exec_linux_setregs, .sv_fixlimit = linux32_fixlimit, .sv_maxssiz = &linux32_maxssiz, .sv_flags = SV_ABI_LINUX | SV_ILP32 | SV_IA32 | SV_SHP, .sv_set_syscall_retval = cpu_set_syscall_retval, .sv_fetch_syscall_args = linux32_fetch_syscall_args, .sv_syscallnames = NULL, .sv_shared_page_base = LINUX32_SHAREDPAGE, .sv_shared_page_len = PAGE_SIZE, .sv_schedtail = linux_schedtail, .sv_thread_detach = linux_thread_detach, - .sv_trap = NULL, + .sv_trap = NULL, }; static void linux_vdso_install(void *param) { - linux_szsigcode = (&_binary_linux32_locore_o_end - + linux_szsigcode = (&_binary_linux32_locore_o_end - &_binary_linux32_locore_o_start); if (linux_szsigcode > elf_linux_sysvec.sv_shared_page_len) panic("Linux invalid vdso size\n"); __elfN(linux_vdso_fixup)(&elf_linux_sysvec); linux_shared_page_obj = __elfN(linux_shared_page_init) (&linux_shared_page_mapping); __elfN(linux_vdso_reloc)(&elf_linux_sysvec); bcopy(elf_linux_sysvec.sv_sigcode, linux_shared_page_mapping, linux_szsigcode); elf_linux_sysvec.sv_shared_page_obj = linux_shared_page_obj; linux_kplatform = linux_shared_page_mapping + (linux_platform - (caddr_t)elf_linux_sysvec.sv_shared_page_base); } SYSINIT(elf_linux_vdso_init, SI_SUB_EXEC, SI_ORDER_ANY, (sysinit_cfunc_t)linux_vdso_install, NULL); static void linux_vdso_deinstall(void *param) { __elfN(linux_shared_page_fini)(linux_shared_page_obj); }; SYSUNINIT(elf_linux_vdso_uninit, SI_SUB_EXEC, SI_ORDER_FIRST, (sysinit_cfunc_t)linux_vdso_deinstall, NULL); static char GNU_ABI_VENDOR[] = "GNU"; static int GNULINUX_ABI_DESC = 0; static boolean_t linux32_trans_osrel(const Elf_Note *note, int32_t *osrel) { const Elf32_Word *desc; uintptr_t p; p = (uintptr_t)(note + 1); p += roundup2(note->n_namesz, sizeof(Elf32_Addr)); desc = (const Elf32_Word *)p; if (desc[0] != GNULINUX_ABI_DESC) return (FALSE); /* * For linux we encode osrel as follows (see linux_mib.c): * VVVMMMIII (version, major, minor), see linux_mib.c. */ *osrel = desc[1] * 1000000 + desc[2] * 1000 + desc[3]; return (TRUE); } static Elf_Brandnote linux32_brandnote = { .hdr.n_namesz = sizeof(GNU_ABI_VENDOR), .hdr.n_descsz = 16, /* XXX at least 16 */ .hdr.n_type = 1, .vendor = GNU_ABI_VENDOR, .flags = BN_TRANSLATE_OSREL, .trans_osrel = linux32_trans_osrel }; static Elf32_Brandinfo linux_brand = { .brand = ELFOSABI_LINUX, .machine = EM_386, .compat_3_brand = "Linux", .emul_path = "/compat/linux", .interp_path = "/lib/ld-linux.so.1", .sysvec = &elf_linux_sysvec, .interp_newpath = NULL, .brand_note = &linux32_brandnote, .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE }; static Elf32_Brandinfo linux_glibc2brand = { .brand = ELFOSABI_LINUX, .machine = EM_386, .compat_3_brand = "Linux", .emul_path = "/compat/linux", .interp_path = "/lib/ld-linux.so.2", .sysvec = &elf_linux_sysvec, .interp_newpath = NULL, .brand_note = &linux32_brandnote, .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE }; static Elf32_Brandinfo linux_muslbrand = { .brand = ELFOSABI_LINUX, .machine = EM_386, .compat_3_brand = "Linux", .emul_path = "/compat/linux", .interp_path = "/lib/ld-musl-i386.so.1", .sysvec = &elf_linux_sysvec, .interp_newpath = NULL, .brand_note = &linux32_brandnote, .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE }; Elf32_Brandinfo *linux_brandlist[] = { &linux_brand, &linux_glibc2brand, &linux_muslbrand, NULL }; static int linux_elf_modevent(module_t mod, int type, void *data) { Elf32_Brandinfo **brandinfo; int error; struct linux_ioctl_handler **lihp; error = 0; switch(type) { case MOD_LOAD: for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL; ++brandinfo) if (elf32_insert_brand_entry(*brandinfo) < 0) error = EINVAL; if (error == 0) { SET_FOREACH(lihp, linux_ioctl_handler_set) linux_ioctl_register_handler(*lihp); LIST_INIT(&futex_list); mtx_init(&futex_mtx, "ftllk", NULL, MTX_DEF); stclohz = (stathz ? stathz : hz); if (bootverbose) printf("Linux ELF exec handler installed\n"); } else printf("cannot insert Linux ELF brand handler\n"); break; case MOD_UNLOAD: for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL; ++brandinfo) if (elf32_brand_inuse(*brandinfo)) error = EBUSY; if (error == 0) { for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL; ++brandinfo) if (elf32_remove_brand_entry(*brandinfo) < 0) error = EINVAL; } if (error == 0) { SET_FOREACH(lihp, linux_ioctl_handler_set) linux_ioctl_unregister_handler(*lihp); mtx_destroy(&futex_mtx); if (bootverbose) printf("Linux ELF exec handler removed\n"); } else printf("Could not deinstall ELF interpreter entry\n"); break; default: return (EOPNOTSUPP); } return (error); } static moduledata_t linux_elf_mod = { "linuxelf", linux_elf_modevent, 0 }; DECLARE_MODULE_TIED(linuxelf, linux_elf_mod, SI_SUB_EXEC, SI_ORDER_ANY); MODULE_DEPEND(linuxelf, linux_common, 1, 1, 1); FEATURE(linux, "Linux 32bit support"); Index: head/sys/amd64/linux32/syscalls.master =================================================================== --- head/sys/amd64/linux32/syscalls.master (revision 328889) +++ head/sys/amd64/linux32/syscalls.master (revision 328890) @@ -1,693 +1,693 @@ $FreeBSD$ ; @(#)syscalls.master 8.1 (Berkeley) 7/19/93 ; System call name/number master file (or rather, slave, from LINUX). ; Processed to create linux32_sysent.c, linux32_proto.h and linux32_syscall.h. ; Columns: number audit type nargs name alt{name,tag,rtyp}/comments ; number system call number, must be in order ; audit the audit event associated with the system call ; A value of AUE_NULL means no auditing, but it also means that ; there is no audit event for the call at this time. For the ; case where the event exists, but we don't want auditing, the ; event should be #defined to AUE_NULL in audit_kevents.h. ; type one of STD, NOPROTO, UNIMPL ; name psuedo-prototype of syscall routine ; If one of the following alts is different, then all appear: ; altname name of system call if different ; alttag name of args struct tag if different from [o]`name'"_args" ; altrtyp return type if not int (bogus - syscalls always return int) ; for UNIMPL, name continues with comments ; types: ; STD always included ; UNIMPL not implemented, placeholder only -; NOPROTO same as STD except do not create structure or +; NOPROTO same as STD except do not create structure or ; function prototype in sys/sysproto.h. Does add a ; definition to syscall.h besides adding a sysent. #include "opt_compat.h" #include #include #include #include #include #include ; Isn't pretty, but there seems to be no other way to trap nosys #define nosys linux_nosys ; #ifdef's, etc. may be included, and are copied to the output files. 0 AUE_NULL UNIMPL setup 1 AUE_EXIT STD { void linux_exit(int rval); } 2 AUE_FORK STD { int linux_fork(void); } 3 AUE_NULL NOPROTO { int read(int fd, char *buf, \ u_int nbyte); } 4 AUE_NULL NOPROTO { int write(int fd, char *buf, \ u_int nbyte); } 5 AUE_OPEN_RWTC STD { int linux_open(char *path, l_int flags, \ l_int mode); } 6 AUE_CLOSE NOPROTO { int close(int fd); } 7 AUE_WAIT4 STD { int linux_waitpid(l_pid_t pid, \ l_int *status, l_int options); } 8 AUE_CREAT STD { int linux_creat(char *path, \ l_int mode); } 9 AUE_LINK STD { int linux_link(char *path, char *to); } 10 AUE_UNLINK STD { int linux_unlink(char *path); } 11 AUE_EXECVE STD { int linux_execve(char *path, uint32_t *argp, \ uint32_t *envp); } 12 AUE_CHDIR STD { int linux_chdir(char *path); } 13 AUE_NULL STD { int linux_time(l_time_t *tm); } 14 AUE_MKNOD STD { int linux_mknod(char *path, l_int mode, \ l_dev_t dev); } 15 AUE_CHMOD STD { int linux_chmod(char *path, \ l_mode_t mode); } 16 AUE_LCHOWN STD { int linux_lchown16(char *path, \ l_uid16_t uid, l_gid16_t gid); } 17 AUE_NULL UNIMPL break 18 AUE_STAT STD { int linux_stat(char *path, \ struct linux_stat *up); } 19 AUE_LSEEK STD { int linux_lseek(l_uint fdes, l_off_t off, \ l_int whence); } 20 AUE_GETPID STD { int linux_getpid(void); } 21 AUE_MOUNT STD { int linux_mount(char *specialfile, \ char *dir, char *filesystemtype, \ l_ulong rwflag, void *data); } 22 AUE_UMOUNT STD { int linux_oldumount(char *path); } 23 AUE_SETUID STD { int linux_setuid16(l_uid16_t uid); } 24 AUE_GETUID STD { int linux_getuid16(void); } 25 AUE_SETTIMEOFDAY STD { int linux_stime(void); } 26 AUE_PTRACE STD { int linux_ptrace(l_long req, l_long pid, \ l_long addr, l_long data); } 27 AUE_NULL STD { int linux_alarm(l_uint secs); } 28 AUE_FSTAT UNIMPL fstat 29 AUE_NULL STD { int linux_pause(void); } 30 AUE_UTIME STD { int linux_utime(char *fname, \ struct l_utimbuf *times); } 31 AUE_NULL UNIMPL stty 32 AUE_NULL UNIMPL gtty 33 AUE_ACCESS STD { int linux_access(char *path, l_int amode); } 34 AUE_NICE STD { int linux_nice(l_int inc); } 35 AUE_NULL UNIMPL ftime 36 AUE_SYNC NOPROTO { int sync(void); } 37 AUE_KILL STD { int linux_kill(l_int pid, l_int signum); } 38 AUE_RENAME STD { int linux_rename(char *from, char *to); } 39 AUE_MKDIR STD { int linux_mkdir(char *path, l_int mode); } 40 AUE_RMDIR STD { int linux_rmdir(char *path); } 41 AUE_DUP NOPROTO { int dup(u_int fd); } 42 AUE_PIPE STD { int linux_pipe(l_int *pipefds); } 43 AUE_NULL STD { int linux_times(struct l_times_argv *buf); } 44 AUE_NULL UNIMPL prof 45 AUE_NULL STD { int linux_brk(l_ulong dsend); } 46 AUE_SETGID STD { int linux_setgid16(l_gid16_t gid); } 47 AUE_GETGID STD { int linux_getgid16(void); } 48 AUE_NULL STD { int linux_signal(l_int sig, \ l_handler_t handler); } 49 AUE_GETEUID STD { int linux_geteuid16(void); } 50 AUE_GETEGID STD { int linux_getegid16(void); } 51 AUE_ACCT NOPROTO { int acct(char *path); } 52 AUE_UMOUNT STD { int linux_umount(char *path, l_int flags); } 53 AUE_NULL UNIMPL lock 54 AUE_IOCTL STD { int linux_ioctl(l_uint fd, l_uint cmd, \ uintptr_t arg); } 55 AUE_FCNTL STD { int linux_fcntl(l_uint fd, l_uint cmd, \ uintptr_t arg); } 56 AUE_NULL UNIMPL mpx 57 AUE_SETPGRP NOPROTO { int setpgid(int pid, int pgid); } 58 AUE_NULL UNIMPL ulimit 59 AUE_NULL STD { int linux_olduname(void); } 60 AUE_UMASK NOPROTO { int umask(int newmask); } 61 AUE_CHROOT NOPROTO { int chroot(char *path); } 62 AUE_NULL STD { int linux_ustat(l_dev_t dev, \ struct l_ustat *ubuf); } 63 AUE_DUP2 NOPROTO { int dup2(u_int from, u_int to); } 64 AUE_GETPPID STD { int linux_getppid(void); } 65 AUE_GETPGRP NOPROTO { int getpgrp(void); } 66 AUE_SETSID NOPROTO { int setsid(void); } 67 AUE_NULL STD { int linux_sigaction(l_int sig, \ l_osigaction_t *nsa, \ l_osigaction_t *osa); } 68 AUE_NULL STD { int linux_sgetmask(void); } 69 AUE_NULL STD { int linux_ssetmask(l_osigset_t mask); } 70 AUE_SETREUID STD { int linux_setreuid16(l_uid16_t ruid, \ l_uid16_t euid); } 71 AUE_SETREGID STD { int linux_setregid16(l_gid16_t rgid, \ l_gid16_t egid); } 72 AUE_NULL STD { int linux_sigsuspend(l_int hist0, \ l_int hist1, l_osigset_t mask); } 73 AUE_NULL STD { int linux_sigpending(l_osigset_t *mask); } 74 AUE_SYSCTL STD { int linux_sethostname(char *hostname, \ u_int len); } 75 AUE_SETRLIMIT STD { int linux_setrlimit(l_uint resource, \ struct l_rlimit *rlim); } 76 AUE_GETRLIMIT STD { int linux_old_getrlimit(l_uint resource, \ struct l_rlimit *rlim); } 77 AUE_GETRUSAGE STD { int linux_getrusage(int who, \ struct l_rusage *rusage); } 78 AUE_NULL STD { int linux_gettimeofday( \ struct l_timeval *tp, \ struct timezone *tzp); } 79 AUE_SETTIMEOFDAY STD { int linux_settimeofday( \ struct l_timeval *tp, \ struct timezone *tzp); } 80 AUE_GETGROUPS STD { int linux_getgroups16(l_uint gidsetsize, \ l_gid16_t *gidset); } 81 AUE_SETGROUPS STD { int linux_setgroups16(l_uint gidsetsize, \ l_gid16_t *gidset); } 82 AUE_SELECT STD { int linux_old_select( \ struct l_old_select_argv *ptr); } 83 AUE_SYMLINK STD { int linux_symlink(char *path, char *to); } ; 84: oldlstat 84 AUE_LSTAT STD { int linux_lstat(char *path, struct linux_lstat *up); } 85 AUE_READLINK STD { int linux_readlink(char *name, char *buf, \ l_int count); } 86 AUE_USELIB UNIMPL linux_uselib 87 AUE_SWAPON NOPROTO { int swapon(char *name); } 88 AUE_REBOOT STD { int linux_reboot(l_int magic1, \ l_int magic2, l_uint cmd, void *arg); } ; 89: old_readdir 89 AUE_GETDIRENTRIES STD { int linux_readdir(l_uint fd, \ struct l_dirent *dent, l_uint count); } ; 90: old_mmap 90 AUE_MMAP STD { int linux_mmap(struct l_mmap_argv *ptr); } 91 AUE_MUNMAP NOPROTO { int munmap(caddr_t addr, int len); } 92 AUE_TRUNCATE STD { int linux_truncate(char *path, \ l_ulong length); } 93 AUE_FTRUNCATE STD { int linux_ftruncate(int fd, long length); } 94 AUE_FCHMOD NOPROTO { int fchmod(int fd, int mode); } 95 AUE_FCHOWN NOPROTO { int fchown(int fd, int uid, int gid); } 96 AUE_GETPRIORITY STD { int linux_getpriority(int which, int who); } 97 AUE_SETPRIORITY NOPROTO { int setpriority(int which, int who, \ int prio); } 98 AUE_PROFILE UNIMPL profil 99 AUE_STATFS STD { int linux_statfs(char *path, \ struct l_statfs_buf *buf); } 100 AUE_FSTATFS STD { int linux_fstatfs(l_uint fd, \ struct l_statfs_buf *buf); } 101 AUE_NULL UNIMPL ioperm 102 AUE_NULL STD { int linux_socketcall(l_int what, \ l_ulong args); } 103 AUE_NULL STD { int linux_syslog(l_int type, char *buf, \ l_int len); } 104 AUE_SETITIMER STD { int linux_setitimer(l_int which, \ struct l_itimerval *itv, \ struct l_itimerval *oitv); } 105 AUE_GETITIMER STD { int linux_getitimer(l_int which, \ struct l_itimerval *itv); } 106 AUE_STAT STD { int linux_newstat(char *path, \ struct l_newstat *buf); } 107 AUE_LSTAT STD { int linux_newlstat(char *path, \ struct l_newstat *buf); } 108 AUE_FSTAT STD { int linux_newfstat(l_uint fd, \ struct l_newstat *buf); } ; 109: olduname 109 AUE_NULL STD { int linux_uname(void); } 110 AUE_NULL STD { int linux_iopl(l_int level); } 111 AUE_NULL STD { int linux_vhangup(void); } 112 AUE_NULL UNIMPL idle 113 AUE_NULL UNIMPL vm86old 114 AUE_WAIT4 STD { int linux_wait4(l_pid_t pid, \ l_int *status, l_int options, \ struct l_rusage *rusage); } 115 AUE_SWAPOFF STD { int linux_swapoff(void); } 116 AUE_NULL STD { int linux_sysinfo(struct l_sysinfo *info); } 117 AUE_NULL STD { int linux_ipc(l_uint what, l_int arg1, \ l_int arg2, l_int arg3, void *ptr, \ l_long arg5); } 118 AUE_FSYNC NOPROTO { int fsync(int fd); } 119 AUE_SIGRETURN STD { int linux_sigreturn( \ struct l_sigframe *sfp); } 120 AUE_RFORK STD { int linux_clone(l_int flags, void *stack, \ void *parent_tidptr, void *tls, void * child_tidptr); } 121 AUE_SYSCTL STD { int linux_setdomainname(char *name, \ int len); } 122 AUE_NULL STD { int linux_newuname( \ struct l_new_utsname *buf); } 123 AUE_NULL UNIMPL modify_ldt 124 AUE_ADJTIME STD { int linux_adjtimex(void); } 125 AUE_MPROTECT STD { int linux_mprotect(caddr_t addr, int len, \ int prot); } 126 AUE_SIGPROCMASK STD { int linux_sigprocmask(l_int how, \ l_osigset_t *mask, l_osigset_t *omask); } 127 AUE_NULL UNIMPL create_module 128 AUE_NULL STD { int linux_init_module(void); } 129 AUE_NULL STD { int linux_delete_module(void); } 130 AUE_NULL UNIMPL get_kernel_syms 131 AUE_QUOTACTL STD { int linux_quotactl(void); } 132 AUE_GETPGID NOPROTO { int getpgid(int pid); } 133 AUE_FCHDIR NOPROTO { int fchdir(int fd); } 134 AUE_BDFLUSH STD { int linux_bdflush(void); } 135 AUE_NULL STD { int linux_sysfs(l_int option, \ l_ulong arg1, l_ulong arg2); } 136 AUE_PERSONALITY STD { int linux_personality(l_uint per); } 137 AUE_NULL UNIMPL afs_syscall 138 AUE_SETFSUID STD { int linux_setfsuid16(l_uid16_t uid); } 139 AUE_SETFSGID STD { int linux_setfsgid16(l_gid16_t gid); } 140 AUE_LSEEK STD { int linux_llseek(l_int fd, l_ulong ohigh, \ l_ulong olow, l_loff_t *res, \ l_uint whence); } 141 AUE_GETDIRENTRIES STD { int linux_getdents(l_uint fd, void *dent, \ l_uint count); } ; 142: newselect 142 AUE_SELECT STD { int linux_select(l_int nfds, \ l_fd_set *readfds, l_fd_set *writefds, \ l_fd_set *exceptfds, \ struct l_timeval *timeout); } 143 AUE_FLOCK NOPROTO { int flock(int fd, int how); } 144 AUE_MSYNC STD { int linux_msync(l_ulong addr, \ l_size_t len, l_int fl); } 145 AUE_READV STD { int linux_readv(l_ulong fd, struct l_iovec32 *iovp, \ l_ulong iovcnt); } 146 AUE_WRITEV STD { int linux_writev(l_ulong fd, struct l_iovec32 *iovp, \ l_ulong iovcnt); } 147 AUE_GETSID STD { int linux_getsid(l_pid_t pid); } 148 AUE_NULL STD { int linux_fdatasync(l_uint fd); } 149 AUE_SYSCTL STD { int linux_sysctl( \ struct l___sysctl_args *args); } 150 AUE_MLOCK NOPROTO { int mlock(const void *addr, size_t len); } 151 AUE_MUNLOCK NOPROTO { int munlock(const void *addr, size_t len); } 152 AUE_MLOCKALL NOPROTO { int mlockall(int how); } 153 AUE_MUNLOCKALL NOPROTO { int munlockall(void); } 154 AUE_SCHED_SETPARAM STD { int linux_sched_setparam(l_pid_t pid, \ struct sched_param *param); } 155 AUE_SCHED_GETPARAM STD { int linux_sched_getparam(l_pid_t pid, \ struct sched_param *param); } 156 AUE_SCHED_SETSCHEDULER STD { int linux_sched_setscheduler( \ l_pid_t pid, l_int policy, \ struct sched_param *param); } 157 AUE_SCHED_GETSCHEDULER STD { int linux_sched_getscheduler( \ l_pid_t pid); } 158 AUE_NULL NOPROTO { int sched_yield(void); } 159 AUE_SCHED_GET_PRIORITY_MAX STD { int linux_sched_get_priority_max( \ l_int policy); } 160 AUE_SCHED_GET_PRIORITY_MIN STD { int linux_sched_get_priority_min( \ l_int policy); } 161 AUE_SCHED_RR_GET_INTERVAL STD { int linux_sched_rr_get_interval(l_pid_t pid, \ struct l_timespec *interval); } 162 AUE_NULL STD { int linux_nanosleep( \ const struct l_timespec *rqtp, \ struct l_timespec *rmtp); } 163 AUE_NULL STD { int linux_mremap(l_ulong addr, \ l_ulong old_len, l_ulong new_len, \ l_ulong flags, l_ulong new_addr); } 164 AUE_SETRESUID STD { int linux_setresuid16(l_uid16_t ruid, \ l_uid16_t euid, l_uid16_t suid); } 165 AUE_GETRESUID STD { int linux_getresuid16(l_uid16_t *ruid, \ l_uid16_t *euid, l_uid16_t *suid); } 166 AUE_NULL UNIMPL vm86 167 AUE_NULL UNIMPL query_module 168 AUE_POLL NOPROTO { int poll(struct pollfd *fds, \ unsigned int nfds, int timeout); } 169 AUE_NULL UNIMPL nfsservctl 170 AUE_SETRESGID STD { int linux_setresgid16(l_gid16_t rgid, \ l_gid16_t egid, l_gid16_t sgid); } 171 AUE_GETRESGID STD { int linux_getresgid16(l_gid16_t *rgid, \ l_gid16_t *egid, l_gid16_t *sgid); } 172 AUE_PRCTL STD { int linux_prctl(l_int option, l_int arg2, l_int arg3, \ l_int arg4, l_int arg5); } 173 AUE_NULL STD { int linux_rt_sigreturn( \ struct l_ucontext *ucp); } 174 AUE_NULL STD { int linux_rt_sigaction(l_int sig, \ l_sigaction_t *act, l_sigaction_t *oact, \ l_size_t sigsetsize); } 175 AUE_NULL STD { int linux_rt_sigprocmask(l_int how, \ l_sigset_t *mask, l_sigset_t *omask, \ l_size_t sigsetsize); } 176 AUE_NULL STD { int linux_rt_sigpending(l_sigset_t *set, \ l_size_t sigsetsize); } 177 AUE_NULL STD { int linux_rt_sigtimedwait(l_sigset_t *mask, \ l_siginfo_t *ptr, \ struct l_timeval *timeout, \ l_size_t sigsetsize); } 178 AUE_NULL STD { int linux_rt_sigqueueinfo(l_pid_t pid, l_int sig, \ l_siginfo_t *info); } 179 AUE_NULL STD { int linux_rt_sigsuspend( \ l_sigset_t *newset, \ l_size_t sigsetsize); } 180 AUE_PREAD STD { int linux_pread(l_uint fd, char *buf, \ l_size_t nbyte, l_loff_t offset); } 181 AUE_PWRITE STD { int linux_pwrite(l_uint fd, char *buf, \ l_size_t nbyte, l_loff_t offset); } 182 AUE_CHOWN STD { int linux_chown16(char *path, \ l_uid16_t uid, l_gid16_t gid); } 183 AUE_GETCWD STD { int linux_getcwd(char *buf, \ l_ulong bufsize); } 184 AUE_CAPGET STD { int linux_capget(struct l_user_cap_header *hdrp, \ struct l_user_cap_data *datap); } 185 AUE_CAPSET STD { int linux_capset(struct l_user_cap_header *hdrp, \ struct l_user_cap_data *datap); } 186 AUE_NULL STD { int linux_sigaltstack(l_stack_t *uss, \ l_stack_t *uoss); } 187 AUE_SENDFILE STD { int linux_sendfile(void); } 188 AUE_GETPMSG UNIMPL getpmsg 189 AUE_PUTPMSG UNIMPL putpmsg 190 AUE_VFORK STD { int linux_vfork(void); } ; 191: ugetrlimit 191 AUE_GETRLIMIT STD { int linux_getrlimit(l_uint resource, \ struct l_rlimit *rlim); } 192 AUE_MMAP STD { int linux_mmap2(l_ulong addr, l_ulong len, \ l_ulong prot, l_ulong flags, l_ulong fd, \ l_ulong pgoff); } 193 AUE_TRUNCATE STD { int linux_truncate64(char *path, \ l_loff_t length); } 194 AUE_FTRUNCATE STD { int linux_ftruncate64(l_uint fd, \ l_loff_t length); } 195 AUE_STAT STD { int linux_stat64(const char *filename, \ struct l_stat64 *statbuf); } 196 AUE_LSTAT STD { int linux_lstat64(const char *filename, \ struct l_stat64 *statbuf); } 197 AUE_FSTAT STD { int linux_fstat64(l_int fd, \ struct l_stat64 *statbuf); } 198 AUE_LCHOWN STD { int linux_lchown(char *path, l_uid_t uid, \ l_gid_t gid); } 199 AUE_GETUID STD { int linux_getuid(void); } 200 AUE_GETGID STD { int linux_getgid(void); } 201 AUE_GETEUID NOPROTO { int geteuid(void); } 202 AUE_GETEGID NOPROTO { int getegid(void); } 203 AUE_SETREUID NOPROTO { int setreuid(uid_t ruid, uid_t euid); } 204 AUE_SETREGID NOPROTO { int setregid(gid_t rgid, gid_t egid); } 205 AUE_GETGROUPS STD { int linux_getgroups(l_int gidsetsize, \ l_gid_t *grouplist); } 206 AUE_SETGROUPS STD { int linux_setgroups(l_int gidsetsize, \ l_gid_t *grouplist); } 207 AUE_FCHOWN NODEF fchown fchown fchown_args int 208 AUE_SETRESUID NOPROTO { int setresuid(uid_t ruid, uid_t euid, \ uid_t suid); } 209 AUE_GETRESUID NOPROTO { int getresuid(uid_t *ruid, uid_t *euid, \ uid_t *suid); } 210 AUE_SETRESGID NOPROTO { int setresgid(gid_t rgid, gid_t egid, \ gid_t sgid); } 211 AUE_GETRESGID NOPROTO { int getresgid(gid_t *rgid, gid_t *egid, \ gid_t *sgid); } 212 AUE_CHOWN STD { int linux_chown(char *path, l_uid_t uid, \ l_gid_t gid); } 213 AUE_SETUID NOPROTO { int setuid(uid_t uid); } 214 AUE_SETGID NOPROTO { int setgid(gid_t gid); } 215 AUE_SETFSUID STD { int linux_setfsuid(l_uid_t uid); } 216 AUE_SETFSGID STD { int linux_setfsgid(l_gid_t gid); } 217 AUE_PIVOT_ROOT STD { int linux_pivot_root(char *new_root, \ char *put_old); } 218 AUE_MINCORE STD { int linux_mincore(l_ulong start, \ l_size_t len, u_char *vec); } 219 AUE_MADVISE NOPROTO { int madvise(void *addr, size_t len, \ int behav); } 220 AUE_GETDIRENTRIES STD { int linux_getdents64(l_uint fd, \ void *dirent, l_uint count); } 221 AUE_FCNTL STD { int linux_fcntl64(l_uint fd, l_uint cmd, \ uintptr_t arg); } 222 AUE_NULL UNIMPL 223 AUE_NULL UNIMPL 224 AUE_NULL STD { long linux_gettid(void); } 225 AUE_NULL UNIMPL linux_readahead 226 AUE_NULL STD { int linux_setxattr(void); } 227 AUE_NULL STD { int linux_lsetxattr(void); } 228 AUE_NULL STD { int linux_fsetxattr(void); } 229 AUE_NULL STD { int linux_getxattr(void); } 230 AUE_NULL STD { int linux_lgetxattr(void); } 231 AUE_NULL STD { int linux_fgetxattr(void); } 232 AUE_NULL STD { int linux_listxattr(void); } 233 AUE_NULL STD { int linux_llistxattr(void); } 234 AUE_NULL STD { int linux_flistxattr(void); } 235 AUE_NULL STD { int linux_removexattr(void); } 236 AUE_NULL STD { int linux_lremovexattr(void); } 237 AUE_NULL STD { int linux_fremovexattr(void); } 238 AUE_NULL STD { int linux_tkill(int tid, int sig); } 239 AUE_SENDFILE UNIMPL linux_sendfile64 240 AUE_NULL STD { int linux_sys_futex(void *uaddr, int op, uint32_t val, \ struct l_timespec *timeout, uint32_t *uaddr2, uint32_t val3); } 241 AUE_NULL STD { int linux_sched_setaffinity(l_pid_t pid, l_uint len, \ l_ulong *user_mask_ptr); } 242 AUE_NULL STD { int linux_sched_getaffinity(l_pid_t pid, l_uint len, \ l_ulong *user_mask_ptr); } 243 AUE_NULL STD { int linux_set_thread_area(struct l_user_desc *desc); } 244 AUE_NULL UNIMPL linux_get_thread_area 245 AUE_NULL UNIMPL linux_io_setup 246 AUE_NULL UNIMPL linux_io_destroy 247 AUE_NULL UNIMPL linux_io_getevents 248 AUE_NULL UNIMPL linux_io_submit 249 AUE_NULL UNIMPL linux_io_cancel 250 AUE_NULL STD { int linux_fadvise64(int fd, l_loff_t offset, \ l_size_t len, int advice); } 251 AUE_NULL UNIMPL 252 AUE_EXIT STD { int linux_exit_group(int error_code); } 253 AUE_NULL STD { int linux_lookup_dcookie(void); } 254 AUE_NULL STD { int linux_epoll_create(l_int size); } 255 AUE_NULL STD { int linux_epoll_ctl(l_int epfd, l_int op, l_int fd, \ struct epoll_event *event); } 256 AUE_NULL STD { int linux_epoll_wait(l_int epfd, struct epoll_event *events, \ l_int maxevents, l_int timeout); } 257 AUE_NULL STD { int linux_remap_file_pages(void); } 258 AUE_NULL STD { int linux_set_tid_address(int *tidptr); } 259 AUE_NULL STD { int linux_timer_create(clockid_t clock_id, \ struct sigevent *evp, l_timer_t *timerid); } 260 AUE_NULL STD { int linux_timer_settime(l_timer_t timerid, l_int flags, \ const struct itimerspec *new, struct itimerspec *old); } 261 AUE_NULL STD { int linux_timer_gettime(l_timer_t timerid, struct itimerspec *setting); } 262 AUE_NULL STD { int linux_timer_getoverrun(l_timer_t timerid); } 263 AUE_NULL STD { int linux_timer_delete(l_timer_t timerid); } 264 AUE_CLOCK_SETTIME STD { int linux_clock_settime(clockid_t which, struct l_timespec *tp); } 265 AUE_NULL STD { int linux_clock_gettime(clockid_t which, struct l_timespec *tp); } 266 AUE_NULL STD { int linux_clock_getres(clockid_t which, struct l_timespec *tp); } 267 AUE_NULL STD { int linux_clock_nanosleep(clockid_t which, int flags, \ struct l_timespec *rqtp, struct l_timespec *rmtp); } 268 AUE_STATFS STD { int linux_statfs64(char *path, size_t bufsize, struct l_statfs64_buf *buf); } 269 AUE_FSTATFS STD { int linux_fstatfs64(l_uint fd, size_t bufsize, struct l_statfs64_buf *buf); } 270 AUE_NULL STD { int linux_tgkill(int tgid, int pid, int sig); } 271 AUE_UTIMES STD { int linux_utimes(char *fname, \ struct l_timeval *tptr); } 272 AUE_NULL STD { int linux_fadvise64_64(int fd, \ l_loff_t offset, l_loff_t len, \ int advice); } 273 AUE_NULL UNIMPL vserver 274 AUE_NULL STD { int linux_mbind(void); } 275 AUE_NULL STD { int linux_get_mempolicy(void); } 276 AUE_NULL STD { int linux_set_mempolicy(void); } ; linux 2.6.6: 277 AUE_NULL STD { int linux_mq_open(void); } 278 AUE_NULL STD { int linux_mq_unlink(void); } 279 AUE_NULL STD { int linux_mq_timedsend(void); } 280 AUE_NULL STD { int linux_mq_timedreceive(void); } 281 AUE_NULL STD { int linux_mq_notify(void); } 282 AUE_NULL STD { int linux_mq_getsetattr(void); } 283 AUE_NULL STD { int linux_kexec_load(void); } 284 AUE_WAIT6 STD { int linux_waitid(int idtype, l_pid_t id, \ l_siginfo_t *info, int options, \ struct l_rusage *rusage); } 285 AUE_NULL UNIMPL ; linux 2.6.11: 286 AUE_NULL STD { int linux_add_key(void); } 287 AUE_NULL STD { int linux_request_key(void); } 288 AUE_NULL STD { int linux_keyctl(void); } ; linux 2.6.13: 289 AUE_NULL STD { int linux_ioprio_set(void); } 290 AUE_NULL STD { int linux_ioprio_get(void); } 291 AUE_NULL STD { int linux_inotify_init(void); } 292 AUE_NULL STD { int linux_inotify_add_watch(void); } 293 AUE_NULL STD { int linux_inotify_rm_watch(void); } ; linux 2.6.16: 294 AUE_NULL STD { int linux_migrate_pages(void); } 295 AUE_OPEN_RWTC STD { int linux_openat(l_int dfd, const char *filename, \ l_int flags, l_int mode); } 296 AUE_MKDIRAT STD { int linux_mkdirat(l_int dfd, const char *pathname, \ l_int mode); } 297 AUE_MKNODAT STD { int linux_mknodat(l_int dfd, const char *filename, \ l_int mode, l_uint dev); } 298 AUE_FCHOWNAT STD { int linux_fchownat(l_int dfd, const char *filename, \ l_uid16_t uid, l_gid16_t gid, l_int flag); } 299 AUE_FUTIMESAT STD { int linux_futimesat(l_int dfd, char *filename, \ struct l_timeval *utimes); } 300 AUE_FSTATAT STD { int linux_fstatat64(l_int dfd, char *pathname, \ struct l_stat64 *statbuf, l_int flag); } 301 AUE_UNLINKAT STD { int linux_unlinkat(l_int dfd, const char *pathname, \ l_int flag); } 302 AUE_RENAMEAT STD { int linux_renameat(l_int olddfd, const char *oldname, \ l_int newdfd, const char *newname); } 303 AUE_LINKAT STD { int linux_linkat(l_int olddfd, const char *oldname, \ l_int newdfd, const char *newname, l_int flag); } 304 AUE_SYMLINKAT STD { int linux_symlinkat(const char *oldname, l_int newdfd, \ const char *newname); } 305 AUE_READLINKAT STD { int linux_readlinkat(l_int dfd, const char *path, \ char *buf, l_int bufsiz); } 306 AUE_FCHMODAT STD { int linux_fchmodat(l_int dfd, const char *filename, \ l_mode_t mode); } 307 AUE_FACCESSAT STD { int linux_faccessat(l_int dfd, const char *filename, \ l_int amode); } 308 AUE_SELECT STD { int linux_pselect6(l_int nfds, l_fd_set *readfds, \ l_fd_set *writefds, l_fd_set *exceptfds, \ struct l_timespec *tsp, l_uintptr_t *sig); } 309 AUE_POLL STD { int linux_ppoll(struct pollfd *fds, uint32_t nfds, \ struct l_timespec *tsp, l_sigset_t *sset, l_size_t ssize); } 310 AUE_NULL STD { int linux_unshare(void); } ; linux 2.6.17: 311 AUE_NULL STD { int linux_set_robust_list(struct linux_robust_list_head *head, \ l_size_t len); } 312 AUE_NULL STD { int linux_get_robust_list(l_int pid, \ struct linux_robust_list_head **head, l_size_t *len); } 313 AUE_NULL STD { int linux_splice(void); } 314 AUE_NULL STD { int linux_sync_file_range(void); } 315 AUE_NULL STD { int linux_tee(void); } 316 AUE_NULL STD { int linux_vmsplice(void); } ; linux 2.6.18: 317 AUE_NULL STD { int linux_move_pages(void); } ; linux 2.6.19: 318 AUE_NULL STD { int linux_getcpu(void); } -319 AUE_NULL STD { int linux_epoll_pwait(l_int epfd, struct epoll_event *events, \ - l_int maxevents, l_int timeout, l_sigset_t *mask, \ - l_size_t sigsetsize); } +319 AUE_NULL STD { int linux_epoll_pwait(l_int epfd, struct epoll_event *events, \ + l_int maxevents, l_int timeout, l_sigset_t *mask, \ + l_size_t sigsetsize); } ; linux 2.6.22: 320 AUE_FUTIMESAT STD { int linux_utimensat(l_int dfd, const char *pathname, \ const struct l_timespec *times, l_int flags); } 321 AUE_NULL STD { int linux_signalfd(void); } 322 AUE_NULL STD { int linux_timerfd_create(l_int clockid, l_int flags); } 323 AUE_NULL STD { int linux_eventfd(l_uint initval); } ; linux 2.6.23: 324 AUE_NULL STD { int linux_fallocate(l_int fd, l_int mode, \ l_loff_t offset, l_loff_t len); } ; linux 2.6.25: 325 AUE_NULL STD { int linux_timerfd_settime(l_int fd, l_int flags, \ const struct l_itimerspec *new_value, \ struct l_itimerspec *old_value); } 326 AUE_NULL STD { int linux_timerfd_gettime(l_int fd, \ struct l_itimerspec *old_value); } ; linux 2.6.27: 327 AUE_NULL STD { int linux_signalfd4(void); } 328 AUE_NULL STD { int linux_eventfd2(l_uint initval, l_int flags); } 329 AUE_NULL STD { int linux_epoll_create1(l_int flags); } 330 AUE_NULL STD { int linux_dup3(l_int oldfd, \ l_int newfd, l_int flags); } 331 AUE_NULL STD { int linux_pipe2(l_int *pipefds, l_int flags); } 332 AUE_NULL STD { int linux_inotify_init1(void); } ; linux 2.6.30: 333 AUE_NULL STD { int linux_preadv(l_ulong fd, \ struct iovec *vec, l_ulong vlen, \ l_ulong pos_l, l_ulong pos_h); } 334 AUE_NULL STD { int linux_pwritev(l_ulong fd, \ struct iovec *vec, l_ulong vlen, \ l_ulong pos_l, l_ulong pos_h); } ; linux 2.6.31: 335 AUE_NULL STD { int linux_rt_tgsigqueueinfo(l_pid_t tgid, \ l_pid_t tid, l_int sig, l_siginfo_t *uinfo); } 336 AUE_NULL STD { int linux_perf_event_open(void); } ; linux 2.6.33: 337 AUE_NULL STD { int linux_recvmmsg(l_int s, \ struct l_mmsghdr *msg, l_uint vlen, \ l_uint flags, struct l_timespec *timeout); } 338 AUE_NULL STD { int linux_fanotify_init(void); } 339 AUE_NULL STD { int linux_fanotify_mark(void); } ; linux 2.6.36: 340 AUE_NULL STD { int linux_prlimit64(l_pid_t pid, \ l_uint resource, \ struct rlimit *new, \ struct rlimit *old); } ; linux 2.6.39: 341 AUE_NULL STD { int linux_name_to_handle_at(void); } 342 AUE_NULL STD { int linux_open_by_handle_at(void); } 343 AUE_NULL STD { int linux_clock_adjtime(void); } 344 AUE_SYNC STD { int linux_syncfs(l_int fd); } ; linux 3.0: 345 AUE_NULL STD { int linux_sendmmsg(l_int s, \ struct l_mmsghdr *msg, l_uint vlen, \ l_uint flags); } 346 AUE_NULL STD { int linux_setns(void); } ; linux 3.2 (glibc 2.15): 347 AUE_NULL STD { int linux_process_vm_readv(l_pid_t pid, \ const struct iovec *lvec, l_ulong liovcnt, \ const struct iovec *rvec, l_ulong riovcnt, \ l_ulong flags); } 348 AUE_NULL STD { int linux_process_vm_writev(l_pid_t pid, \ const struct iovec *lvec, l_ulong liovcnt, \ const struct iovec *rvec, l_ulong riovcnt, \ l_ulong flags); } ; linux 3.5 (no glibc wrapper): 349 AUE_NULL STD { int linux_kcmp(l_pid_t pid1, l_pid_t pid2, \ l_int type, l_ulong idx1, l_ulong idx); } ; linux 3.8 (no glibc wrapper): 350 AUE_NULL STD { int linux_finit_module(l_int fd, \ const char *uargs, l_int flags); } ; linux 3.14: 351 AUE_NULL STD { int linux_sched_setattr(l_pid_t pid, \ void *attr, l_uint flags); } 352 AUE_NULL STD { int linux_sched_getattr(l_pid_t pid, \ void *attr, l_uint size, l_uint flags); } ; linux 3.15: 353 AUE_NULL STD { int linux_renameat2(l_int oldfd, \ const char *oldname, l_int newfd, \ const char *newname, unsigned int flags); } ; linux 3.17: 354 AUE_NULL STD { int linux_seccomp(l_uint op, l_uint flags, \ const char *uargs); } 355 AUE_NULL STD { int linux_getrandom(char *buf, \ l_size_t count, l_uint flags); } 356 AUE_NULL STD { int linux_memfd_create(const char *uname_ptr, \ l_uint flags); } ; linux 3.18: 357 AUE_NULL STD { int linux_bpf(l_int cmd, void *attr, \ l_uint size); } ; linux 3.19: 358 AUE_NULL STD { int linux_execveat(l_int dfd, \ const char *filename, const char **argv, \ const char **envp, l_int flags); } ; linux 4.3: sockets now direct system calls: 359 AUE_SOCKET STD { int linux_socket(l_int domain, l_int type, \ l_int protocol); } 360 AUE_SOCKETPAIR STD { int linux_socketpair(l_int domain, \ l_int type, l_int protocol, l_uintptr_t rsv); } 361 AUE_BIND STD { int linux_bind(l_int s, l_uintptr_t name, \ l_int namelen); } 362 AUE_CONNECT STD { int linux_connect(l_int s, l_uintptr_t name, \ l_int namelen); } 363 AUE_LISTEN STD { int linux_listen(l_int s, l_int backlog); } 364 AUE_ACCEPT STD { int linux_accept4(l_int s, l_uintptr_t addr, \ l_uintptr_t namelen, l_int flags); } 365 AUE_GETSOCKOPT STD { int linux_getsockopt(l_int s, l_int level, \ l_int optname, l_uintptr_t optval, \ l_uintptr_t optlen); } 366 AUE_SETSOCKOPT STD { int linux_setsockopt(l_int s, l_int level, \ l_int optname, l_uintptr_t optval, \ l_int optlen); } 367 AUE_GETSOCKNAME STD { int linux_getsockname(l_int s, \ l_uintptr_t addr, l_uintptr_t namelen); } 368 AUE_GETPEERNAME STD { int linux_getpeername(l_int s, \ l_uintptr_t addr, l_uintptr_t namelen); } 369 AUE_SENDTO STD { int linux_sendto(l_int s, l_uintptr_t msg, \ l_int len, l_int flags, l_uintptr_t to, \ l_int tolen); } 370 AUE_SENDMSG STD { int linux_sendmsg(l_int s, l_uintptr_t msg, \ l_int flags); } 371 AUE_RECVFROM STD { int linux_recvfrom(l_int s, l_uintptr_t buf, \ l_size_t len, l_int flags, l_uintptr_t from, \ l_uintptr_t fromlen); } 372 AUE_RECVMSG STD { int linux_recvmsg(l_int s, l_uintptr_t msg, \ l_int flags); } 373 AUE_NULL STD { int linux_shutdown(l_int s, l_int how); } ; ; linux 4.2: 374 AUE_NULL STD { int linux_userfaultfd(l_int flags); } ; linux 4.3: 375 AUE_NULL STD { int linux_membarrier(l_int cmd, l_int flags); } ; linux 4.4: 376 AUE_NULL STD { int linux_mlock2(l_ulong start, l_size_t len, \ l_int flags); } ; linux 4.5: 377 AUE_NULL STD { int linux_copy_file_range(l_int fd_in, \ l_loff_t *off_in, l_int fd_out, \ l_loff_t *off_out, l_size_t len, \ l_uint flags); } ; linux 4.6: 378 AUE_NULL STD { int linux_preadv2(l_ulong fd, \ const struct iovec *vec, l_ulong vlen, \ l_ulong pos_l, l_ulong pos_h, l_int flags); } 379 AUE_NULL STD { int linux_pwritev2(l_ulong fd, \ const struct iovec *vec, l_ulong vlen, \ l_ulong pos_l, l_ulong pos_h, l_int flags); } ; linux 4.8: 380 AUE_NULL STD { int linux_pkey_mprotect(l_ulong start, \ l_size_t len, l_ulong prot, l_int pkey); } 381 AUE_NULL STD { int linux_pkey_alloc(l_ulong flags, \ l_ulong init_val); } 382 AUE_NULL STD { int linux_pkey_free(l_int pkey); } ; please, keep this line at the end. 383 AUE_NULL UNIMPL nosys ; vim: syntax=off Index: head/sys/compat/linux/check_internal_locks.d =================================================================== --- head/sys/compat/linux/check_internal_locks.d (revision 328889) +++ head/sys/compat/linux/check_internal_locks.d (revision 328890) @@ -1,97 +1,97 @@ #!/usr/sbin/dtrace -qs /*- * Copyright (c) 2008-2012 Alexander Leidinger * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ /** * Check if the internal locks are correctly acquired/released: * - no recursive locking (mtx locks, write locks) * - no unlocking of already unlocked one * * Print stacktrace if a lock is longer locked than about 10sec or more. */ #pragma D option dynvarsize=32m #pragma D option specsize=32m BEGIN { check["futex_mtx"] = 0; } linuxulator*:locks:futex_mtx:locked /check[probefunc] > 0/ { printf("ERROR: recursive lock of %s (%p),", probefunc, arg0); printf(" or missing SDT probe in kernel. Stack trace follows:"); stack(); } linuxulator*:locks:futex_mtx:locked { ++check[probefunc]; @stats[probefunc] = count(); ts[probefunc] = timestamp; spec[probefunc] = speculation(); } linuxulator*:locks:futex_mtx:unlock /check[probefunc] == 0/ { printf("ERROR: unlock attempt of unlocked %s (%p),", probefunc, arg0); printf(" missing SDT probe in kernel, or dtrace program started"); printf(" while the %s was already held (race condition).", probefunc); printf(" Stack trace follows:"); stack(); } linuxulator*:locks:futex_mtx:unlock { discard(spec[probefunc]); spec[probefunc] = 0; --check[probefunc]; } /* Timeout handling */ tick-10s /spec["futex_mtx"] != 0 && timestamp - ts["futex_mtx"] >= 9999999000/ { commit(spec["futex_mtx"]); spec["futex_mtx"] = 0; } /* Statistics */ END { - printf("Number of locks per type:"); + printf("Number of locks per type:"); printa(@stats); } Index: head/sys/compat/linux/linux_emul.c =================================================================== --- head/sys/compat/linux/linux_emul.c (revision 328889) +++ head/sys/compat/linux/linux_emul.c (revision 328890) @@ -1,302 +1,302 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2006 Roman Divacky * Copyright (c) 2013 Dmitry Chagin * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * This returns reference to the thread emuldata entry (if found) * * Hold PROC_LOCK when referencing emuldata from other threads. */ struct linux_emuldata * em_find(struct thread *td) { struct linux_emuldata *em; em = td->td_emuldata; return (em); } /* * This returns reference to the proc pemuldata entry (if found) * * Hold PROC_LOCK when referencing proc pemuldata from other threads. * Hold LINUX_PEM_LOCK wher referencing pemuldata members. */ struct linux_pemuldata * pem_find(struct proc *p) { struct linux_pemuldata *pem; pem = p->p_emuldata; return (pem); } void linux_proc_init(struct thread *td, struct thread *newtd, int flags) { struct linux_emuldata *em; struct linux_pemuldata *pem; struct epoll_emuldata *emd; struct proc *p; if (newtd != NULL) { p = newtd->td_proc; /* non-exec call */ em = malloc(sizeof(*em), M_TEMP, M_WAITOK | M_ZERO); if (flags & LINUX_CLONE_THREAD) { LINUX_CTR1(proc_init, "thread newtd(%d)", newtd->td_tid); em->em_tid = newtd->td_tid; } else { LINUX_CTR1(proc_init, "fork newtd(%d)", p->p_pid); em->em_tid = p->p_pid; pem = malloc(sizeof(*pem), M_LINUX, M_WAITOK | M_ZERO); sx_init(&pem->pem_sx, "lpemlk"); p->p_emuldata = pem; } newtd->td_emuldata = em; } else { p = td->td_proc; /* exec */ LINUX_CTR1(proc_init, "exec newtd(%d)", p->p_pid); /* lookup the old one */ em = em_find(td); KASSERT(em != NULL, ("proc_init: emuldata not found in exec case.\n")); em->em_tid = p->p_pid; em->flags = 0; em->pdeath_signal = 0; em->robust_futexes = NULL; em->child_clear_tid = NULL; em->child_set_tid = NULL; /* epoll should be destroyed in a case of exec. */ pem = pem_find(p); KASSERT(pem != NULL, ("proc_exit: proc emuldata not found.\n")); pem->persona = 0; if (pem->epoll != NULL) { emd = pem->epoll; pem->epoll = NULL; free(emd, M_EPOLL); } } } -void +void linux_proc_exit(void *arg __unused, struct proc *p) { struct linux_pemuldata *pem; struct epoll_emuldata *emd; struct thread *td = curthread; if (__predict_false(SV_CURPROC_ABI() != SV_ABI_LINUX)) return; LINUX_CTR3(proc_exit, "thread(%d) proc(%d) p %p", td->td_tid, p->p_pid, p); pem = pem_find(p); if (pem == NULL) - return; + return; (p->p_sysent->sv_thread_detach)(td); p->p_emuldata = NULL; if (pem->epoll != NULL) { emd = pem->epoll; pem->epoll = NULL; free(emd, M_EPOLL); } sx_destroy(&pem->pem_sx); free(pem, M_LINUX); } -int +int linux_common_execve(struct thread *td, struct image_args *eargs) { struct linux_pemuldata *pem; struct epoll_emuldata *emd; struct vmspace *oldvmspace; struct linux_emuldata *em; struct proc *p; int error; p = td->td_proc; error = pre_execve(td, &oldvmspace); if (error != 0) return (error); error = kern_execve(td, eargs, NULL); post_execve(td, error, oldvmspace); if (error != EJUSTRETURN) return (error); /* * In a case of transition from Linux binary execing to * FreeBSD binary we destroy linux emuldata thread & proc entries. */ if (SV_CURPROC_ABI() != SV_ABI_LINUX) { PROC_LOCK(p); em = em_find(td); KASSERT(em != NULL, ("proc_exec: thread emuldata not found.\n")); td->td_emuldata = NULL; pem = pem_find(p); KASSERT(pem != NULL, ("proc_exec: proc pemuldata not found.\n")); p->p_emuldata = NULL; PROC_UNLOCK(p); if (pem->epoll != NULL) { emd = pem->epoll; pem->epoll = NULL; free(emd, M_EPOLL); } free(em, M_TEMP); free(pem, M_LINUX); } return (EJUSTRETURN); } -void +void linux_proc_exec(void *arg __unused, struct proc *p, struct image_params *imgp) { struct thread *td = curthread; struct thread *othertd; #if defined(__amd64__) struct linux_pemuldata *pem; #endif /* * In a case of execing from linux binary properly detach * other threads from the user space. */ if (__predict_false(SV_PROC_ABI(p) == SV_ABI_LINUX)) { FOREACH_THREAD_IN_PROC(p, othertd) { if (td != othertd) (p->p_sysent->sv_thread_detach)(othertd); } } /* * In a case of execing to linux binary we create linux * emuldata thread entry. */ if (__predict_false((imgp->sysent->sv_flags & SV_ABI_MASK) == SV_ABI_LINUX)) { if (SV_PROC_ABI(p) == SV_ABI_LINUX) linux_proc_init(td, NULL, 0); else linux_proc_init(td, td, 0); #if defined(__amd64__) /* * An IA32 executable which has executable stack will have the * READ_IMPLIES_EXEC personality flag set automatically. */ if (SV_PROC_FLAG(td->td_proc, SV_ILP32) && imgp->stack_prot & VM_PROT_EXECUTE) { pem = pem_find(p); pem->persona |= LINUX_READ_IMPLIES_EXEC; } #endif } } void linux_thread_dtor(void *arg __unused, struct thread *td) { struct linux_emuldata *em; em = em_find(td); if (em == NULL) return; td->td_emuldata = NULL; LINUX_CTR1(thread_dtor, "thread(%d)", em->em_tid); free(em, M_TEMP); } void linux_schedtail(struct thread *td) { struct linux_emuldata *em; struct proc *p; int error = 0; int *child_set_tid; p = td->td_proc; em = em_find(td); KASSERT(em != NULL, ("linux_schedtail: thread emuldata not found.\n")); child_set_tid = em->child_set_tid; if (child_set_tid != NULL) { error = copyout(&em->em_tid, child_set_tid, sizeof(em->em_tid)); LINUX_CTR4(schedtail, "thread(%d) %p stored %d error %d", td->td_tid, child_set_tid, em->em_tid, error); } else LINUX_CTR1(schedtail, "thread(%d)", em->em_tid); } Index: head/sys/compat/linux/linux_event.c =================================================================== --- head/sys/compat/linux/linux_event.c (revision 328889) +++ head/sys/compat/linux/linux_event.c (revision 328890) @@ -1,1324 +1,1324 @@ /*- * Copyright (c) 2007 Roman Divacky * Copyright (c) 2014 Dmitry Chagin * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include "opt_compat.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef COMPAT_LINUX32 #include #include #else #include #include #endif #include #include #include #include #include /* * epoll defines 'struct epoll_event' with the field 'data' as 64 bits * on all architectures. But on 32 bit architectures BSD 'struct kevent' only * has 32 bit opaque pointer as 'udata' field. So we can't pass epoll supplied * data verbatuim. Therefore we allocate 64-bit memory block to pass * user supplied data for every file descriptor. */ typedef uint64_t epoll_udata_t; struct epoll_emuldata { uint32_t fdc; /* epoll udata max index */ epoll_udata_t udata[1]; /* epoll user data vector */ }; #define EPOLL_DEF_SZ 16 #define EPOLL_SIZE(fdn) \ (sizeof(struct epoll_emuldata)+(fdn) * sizeof(epoll_udata_t)) struct epoll_event { uint32_t events; epoll_udata_t data; } #if defined(__amd64__) __attribute__((packed)) #endif ; #define LINUX_MAX_EVENTS (INT_MAX / sizeof(struct epoll_event)) static void epoll_fd_install(struct thread *td, int fd, epoll_udata_t udata); static int epoll_to_kevent(struct thread *td, struct file *epfp, int fd, struct epoll_event *l_event, int *kev_flags, struct kevent *kevent, int *nkevents); static void kevent_to_epoll(struct kevent *kevent, struct epoll_event *l_event); static int epoll_kev_copyout(void *arg, struct kevent *kevp, int count); static int epoll_kev_copyin(void *arg, struct kevent *kevp, int count); static int epoll_delete_event(struct thread *td, struct file *epfp, int fd, int filter); static int epoll_delete_all_events(struct thread *td, struct file *epfp, int fd); struct epoll_copyin_args { struct kevent *changelist; }; struct epoll_copyout_args { struct epoll_event *leventlist; struct proc *p; uint32_t count; int error; }; /* eventfd */ typedef uint64_t eventfd_t; static fo_rdwr_t eventfd_read; static fo_rdwr_t eventfd_write; static fo_ioctl_t eventfd_ioctl; static fo_poll_t eventfd_poll; static fo_kqfilter_t eventfd_kqfilter; static fo_stat_t eventfd_stat; static fo_close_t eventfd_close; static fo_fill_kinfo_t eventfd_fill_kinfo; static struct fileops eventfdops = { .fo_read = eventfd_read, .fo_write = eventfd_write, .fo_truncate = invfo_truncate, .fo_ioctl = eventfd_ioctl, .fo_poll = eventfd_poll, .fo_kqfilter = eventfd_kqfilter, .fo_stat = eventfd_stat, .fo_close = eventfd_close, .fo_chmod = invfo_chmod, .fo_chown = invfo_chown, .fo_sendfile = invfo_sendfile, .fo_fill_kinfo = eventfd_fill_kinfo, .fo_flags = DFLAG_PASSABLE }; static void filt_eventfddetach(struct knote *kn); static int filt_eventfdread(struct knote *kn, long hint); static int filt_eventfdwrite(struct knote *kn, long hint); static struct filterops eventfd_rfiltops = { .f_isfd = 1, .f_detach = filt_eventfddetach, .f_event = filt_eventfdread }; static struct filterops eventfd_wfiltops = { .f_isfd = 1, .f_detach = filt_eventfddetach, .f_event = filt_eventfdwrite }; /* timerfd */ typedef uint64_t timerfd_t; static fo_rdwr_t timerfd_read; static fo_poll_t timerfd_poll; static fo_kqfilter_t timerfd_kqfilter; static fo_stat_t timerfd_stat; static fo_close_t timerfd_close; static fo_fill_kinfo_t timerfd_fill_kinfo; static struct fileops timerfdops = { .fo_read = timerfd_read, .fo_write = invfo_rdwr, .fo_truncate = invfo_truncate, .fo_ioctl = eventfd_ioctl, .fo_poll = timerfd_poll, .fo_kqfilter = timerfd_kqfilter, .fo_stat = timerfd_stat, .fo_close = timerfd_close, .fo_chmod = invfo_chmod, .fo_chown = invfo_chown, .fo_sendfile = invfo_sendfile, .fo_fill_kinfo = timerfd_fill_kinfo, .fo_flags = DFLAG_PASSABLE }; static void filt_timerfddetach(struct knote *kn); static int filt_timerfdread(struct knote *kn, long hint); static struct filterops timerfd_rfiltops = { .f_isfd = 1, .f_detach = filt_timerfddetach, .f_event = filt_timerfdread }; struct eventfd { eventfd_t efd_count; uint32_t efd_flags; struct selinfo efd_sel; struct mtx efd_lock; }; struct timerfd { clockid_t tfd_clockid; struct itimerspec tfd_time; struct callout tfd_callout; timerfd_t tfd_count; bool tfd_canceled; struct selinfo tfd_sel; struct mtx tfd_lock; }; static int eventfd_create(struct thread *td, uint32_t initval, int flags); static void linux_timerfd_expire(void *); static void linux_timerfd_curval(struct timerfd *, struct itimerspec *); static void epoll_fd_install(struct thread *td, int fd, epoll_udata_t udata) { struct linux_pemuldata *pem; struct epoll_emuldata *emd; struct proc *p; p = td->td_proc; pem = pem_find(p); KASSERT(pem != NULL, ("epoll proc emuldata not found.\n")); LINUX_PEM_XLOCK(pem); if (pem->epoll == NULL) { emd = malloc(EPOLL_SIZE(fd), M_EPOLL, M_WAITOK); emd->fdc = fd; pem->epoll = emd; } else { emd = pem->epoll; if (fd > emd->fdc) { emd = realloc(emd, EPOLL_SIZE(fd), M_EPOLL, M_WAITOK); emd->fdc = fd; pem->epoll = emd; } } emd->udata[fd] = udata; LINUX_PEM_XUNLOCK(pem); } static int epoll_create_common(struct thread *td, int flags) { int error; error = kern_kqueue(td, flags, NULL); if (error != 0) return (error); epoll_fd_install(td, EPOLL_DEF_SZ, 0); return (0); } int linux_epoll_create(struct thread *td, struct linux_epoll_create_args *args) { /* * args->size is unused. Linux just tests it * and then forgets it as well. */ if (args->size <= 0) return (EINVAL); return (epoll_create_common(td, 0)); } int linux_epoll_create1(struct thread *td, struct linux_epoll_create1_args *args) { int flags; if ((args->flags & ~(LINUX_O_CLOEXEC)) != 0) return (EINVAL); flags = 0; if ((args->flags & LINUX_O_CLOEXEC) != 0) flags |= O_CLOEXEC; return (epoll_create_common(td, flags)); } /* Structure converting function from epoll to kevent. */ static int epoll_to_kevent(struct thread *td, struct file *epfp, int fd, struct epoll_event *l_event, int *kev_flags, struct kevent *kevent, int *nkevents) { uint32_t levents = l_event->events; struct linux_pemuldata *pem; struct proc *p; /* flags related to how event is registered */ if ((levents & LINUX_EPOLLONESHOT) != 0) *kev_flags |= EV_ONESHOT; if ((levents & LINUX_EPOLLET) != 0) *kev_flags |= EV_CLEAR; if ((levents & LINUX_EPOLLERR) != 0) *kev_flags |= EV_ERROR; if ((levents & LINUX_EPOLLRDHUP) != 0) *kev_flags |= EV_EOF; /* flags related to what event is registered */ if ((levents & LINUX_EPOLL_EVRD) != 0) { EV_SET(kevent++, fd, EVFILT_READ, *kev_flags, 0, 0, 0); ++(*nkevents); } if ((levents & LINUX_EPOLL_EVWR) != 0) { EV_SET(kevent++, fd, EVFILT_WRITE, *kev_flags, 0, 0, 0); ++(*nkevents); } if ((levents & ~(LINUX_EPOLL_EVSUP)) != 0) { p = td->td_proc; pem = pem_find(p); KASSERT(pem != NULL, ("epoll proc emuldata not found.\n")); KASSERT(pem->epoll != NULL, ("epoll proc epolldata not found.\n")); LINUX_PEM_XLOCK(pem); if ((pem->flags & LINUX_XUNSUP_EPOLL) == 0) { pem->flags |= LINUX_XUNSUP_EPOLL; LINUX_PEM_XUNLOCK(pem); linux_msg(td, "epoll_ctl unsupported flags: 0x%x\n", levents); } else LINUX_PEM_XUNLOCK(pem); return (EINVAL); } return (0); } -/* +/* * Structure converting function from kevent to epoll. In a case * this is called on error in registration we store the error in * event->data and pick it up later in linux_epoll_ctl(). */ static void kevent_to_epoll(struct kevent *kevent, struct epoll_event *l_event) { if ((kevent->flags & EV_ERROR) != 0) { l_event->events = LINUX_EPOLLERR; return; } /* XXX EPOLLPRI, EPOLLHUP */ switch (kevent->filter) { case EVFILT_READ: l_event->events = LINUX_EPOLLIN; if ((kevent->flags & EV_EOF) != 0) l_event->events |= LINUX_EPOLLRDHUP; break; case EVFILT_WRITE: l_event->events = LINUX_EPOLLOUT; break; } } -/* +/* * Copyout callback used by kevent. This converts kevent * events to epoll events and copies them back to the * userspace. This is also called on error on registering * of the filter. */ static int epoll_kev_copyout(void *arg, struct kevent *kevp, int count) { struct epoll_copyout_args *args; struct linux_pemuldata *pem; struct epoll_emuldata *emd; struct epoll_event *eep; int error, fd, i; args = (struct epoll_copyout_args*) arg; eep = malloc(sizeof(*eep) * count, M_EPOLL, M_WAITOK | M_ZERO); pem = pem_find(args->p); KASSERT(pem != NULL, ("epoll proc emuldata not found.\n")); LINUX_PEM_SLOCK(pem); emd = pem->epoll; KASSERT(emd != NULL, ("epoll proc epolldata not found.\n")); for (i = 0; i < count; i++) { kevent_to_epoll(&kevp[i], &eep[i]); fd = kevp[i].ident; KASSERT(fd <= emd->fdc, ("epoll user data vector" " is too small.\n")); eep[i].data = emd->udata[fd]; } LINUX_PEM_SUNLOCK(pem); error = copyout(eep, args->leventlist, count * sizeof(*eep)); if (error == 0) { args->leventlist += count; args->count += count; } else if (args->error == 0) args->error = error; free(eep, M_EPOLL); return (error); } /* * Copyin callback used by kevent. This copies already - * converted filters from kernel memory to the kevent + * converted filters from kernel memory to the kevent * internal kernel memory. Hence the memcpy instead of * copyin. */ static int epoll_kev_copyin(void *arg, struct kevent *kevp, int count) { struct epoll_copyin_args *args; args = (struct epoll_copyin_args*) arg; memcpy(kevp, args->changelist, count * sizeof(*kevp)); args->changelist += count; return (0); } /* * Load epoll filter, convert it to kevent filter * and load it into kevent subsystem. */ int linux_epoll_ctl(struct thread *td, struct linux_epoll_ctl_args *args) { struct file *epfp, *fp; struct epoll_copyin_args ciargs; struct kevent kev[2]; struct kevent_copyops k_ops = { &ciargs, NULL, epoll_kev_copyin}; struct epoll_event le; cap_rights_t rights; int kev_flags; int nchanges = 0; int error; if (args->op != LINUX_EPOLL_CTL_DEL) { error = copyin(args->event, &le, sizeof(le)); if (error != 0) return (error); } error = fget(td, args->epfd, cap_rights_init(&rights, CAP_KQUEUE_CHANGE), &epfp); if (error != 0) return (error); if (epfp->f_type != DTYPE_KQUEUE) { error = EINVAL; goto leave1; } /* Protect user data vector from incorrectly supplied fd. */ error = fget(td, args->fd, cap_rights_init(&rights, CAP_POLL_EVENT), &fp); if (error != 0) goto leave1; /* Linux disallows spying on himself */ if (epfp == fp) { error = EINVAL; goto leave0; } ciargs.changelist = kev; if (args->op != LINUX_EPOLL_CTL_DEL) { kev_flags = EV_ADD | EV_ENABLE; error = epoll_to_kevent(td, epfp, args->fd, &le, &kev_flags, kev, &nchanges); if (error != 0) goto leave0; } switch (args->op) { case LINUX_EPOLL_CTL_MOD: error = epoll_delete_all_events(td, epfp, args->fd); if (error != 0) goto leave0; break; case LINUX_EPOLL_CTL_ADD: /* * kqueue_register() return ENOENT if event does not exists * and the EV_ADD flag is not set. */ kev[0].flags &= ~EV_ADD; error = kqfd_register(args->epfd, &kev[0], td, 1); if (error != ENOENT) { error = EEXIST; goto leave0; } error = 0; kev[0].flags |= EV_ADD; break; case LINUX_EPOLL_CTL_DEL: /* CTL_DEL means unregister this fd with this epoll */ error = epoll_delete_all_events(td, epfp, args->fd); goto leave0; default: error = EINVAL; goto leave0; } epoll_fd_install(td, args->fd, le.data); error = kern_kevent_fp(td, epfp, nchanges, 0, &k_ops, NULL); leave0: fdrop(fp, td); leave1: fdrop(epfp, td); return (error); } /* * Wait for a filter to be triggered on the epoll file descriptor. */ static int linux_epoll_wait_common(struct thread *td, int epfd, struct epoll_event *events, int maxevents, int timeout, sigset_t *uset) { struct epoll_copyout_args coargs; struct kevent_copyops k_ops = { &coargs, epoll_kev_copyout, NULL}; struct timespec ts, *tsp; cap_rights_t rights; struct file *epfp; sigset_t omask; int error; if (maxevents <= 0 || maxevents > LINUX_MAX_EVENTS) return (EINVAL); error = fget(td, epfd, cap_rights_init(&rights, CAP_KQUEUE_EVENT), &epfp); if (error != 0) return (error); if (epfp->f_type != DTYPE_KQUEUE) { error = EINVAL; goto leave1; } if (uset != NULL) { error = kern_sigprocmask(td, SIG_SETMASK, uset, &omask, 0); if (error != 0) goto leave1; td->td_pflags |= TDP_OLDMASK; /* * Make sure that ast() is called on return to * usermode and TDP_OLDMASK is cleared, restoring old * sigmask. */ thread_lock(td); td->td_flags |= TDF_ASTPENDING; thread_unlock(td); } coargs.leventlist = events; coargs.p = td->td_proc; coargs.count = 0; coargs.error = 0; if (timeout != -1) { if (timeout < 0) { error = EINVAL; goto leave0; } /* Convert from milliseconds to timespec. */ ts.tv_sec = timeout / 1000; ts.tv_nsec = (timeout % 1000) * 1000000; tsp = &ts; } else { tsp = NULL; } error = kern_kevent_fp(td, epfp, 0, maxevents, &k_ops, tsp); if (error == 0 && coargs.error != 0) error = coargs.error; - /* + /* * kern_kevent might return ENOMEM which is not expected from epoll_wait. * Maybe we should translate that but I don't think it matters at all. */ if (error == 0) td->td_retval[0] = coargs.count; leave0: if (uset != NULL) error = kern_sigprocmask(td, SIG_SETMASK, &omask, NULL, 0); leave1: fdrop(epfp, td); return (error); } int linux_epoll_wait(struct thread *td, struct linux_epoll_wait_args *args) { return (linux_epoll_wait_common(td, args->epfd, args->events, args->maxevents, args->timeout, NULL)); } int linux_epoll_pwait(struct thread *td, struct linux_epoll_pwait_args *args) { sigset_t mask, *pmask; l_sigset_t lmask; int error; if (args->mask != NULL) { if (args->sigsetsize != sizeof(l_sigset_t)) return (EINVAL); error = copyin(args->mask, &lmask, sizeof(l_sigset_t)); if (error != 0) return (error); linux_to_bsd_sigset(&lmask, &mask); pmask = &mask; } else pmask = NULL; return (linux_epoll_wait_common(td, args->epfd, args->events, args->maxevents, args->timeout, pmask)); } static int epoll_delete_event(struct thread *td, struct file *epfp, int fd, int filter) { struct epoll_copyin_args ciargs; struct kevent kev; struct kevent_copyops k_ops = { &ciargs, NULL, epoll_kev_copyin}; ciargs.changelist = &kev; EV_SET(&kev, fd, filter, EV_DELETE | EV_DISABLE, 0, 0, 0); return (kern_kevent_fp(td, epfp, 1, 0, &k_ops, NULL)); } static int epoll_delete_all_events(struct thread *td, struct file *epfp, int fd) { int error1, error2; error1 = epoll_delete_event(td, epfp, fd, EVFILT_READ); error2 = epoll_delete_event(td, epfp, fd, EVFILT_WRITE); /* return 0 if at least one result positive */ return (error1 == 0 ? 0 : error2); } static int eventfd_create(struct thread *td, uint32_t initval, int flags) { struct filedesc *fdp; struct eventfd *efd; struct file *fp; int fflags, fd, error; fflags = 0; if ((flags & LINUX_O_CLOEXEC) != 0) fflags |= O_CLOEXEC; fdp = td->td_proc->p_fd; error = falloc(td, &fp, &fd, fflags); if (error != 0) return (error); efd = malloc(sizeof(*efd), M_EPOLL, M_WAITOK | M_ZERO); efd->efd_flags = flags; efd->efd_count = initval; mtx_init(&efd->efd_lock, "eventfd", NULL, MTX_DEF); knlist_init_mtx(&efd->efd_sel.si_note, &efd->efd_lock); - fflags = FREAD | FWRITE; + fflags = FREAD | FWRITE; if ((flags & LINUX_O_NONBLOCK) != 0) fflags |= FNONBLOCK; finit(fp, fflags, DTYPE_LINUXEFD, efd, &eventfdops); fdrop(fp, td); td->td_retval[0] = fd; return (error); } int linux_eventfd(struct thread *td, struct linux_eventfd_args *args) { return (eventfd_create(td, args->initval, 0)); } int linux_eventfd2(struct thread *td, struct linux_eventfd2_args *args) { if ((args->flags & ~(LINUX_O_CLOEXEC|LINUX_O_NONBLOCK|LINUX_EFD_SEMAPHORE)) != 0) return (EINVAL); return (eventfd_create(td, args->initval, args->flags)); } static int eventfd_close(struct file *fp, struct thread *td) { struct eventfd *efd; efd = fp->f_data; if (fp->f_type != DTYPE_LINUXEFD || efd == NULL) return (EINVAL); seldrain(&efd->efd_sel); knlist_destroy(&efd->efd_sel.si_note); fp->f_ops = &badfileops; mtx_destroy(&efd->efd_lock); free(efd, M_EPOLL); return (0); } static int eventfd_read(struct file *fp, struct uio *uio, struct ucred *active_cred, int flags, struct thread *td) { struct eventfd *efd; eventfd_t count; int error; efd = fp->f_data; if (fp->f_type != DTYPE_LINUXEFD || efd == NULL) return (EINVAL); if (uio->uio_resid < sizeof(eventfd_t)) return (EINVAL); error = 0; mtx_lock(&efd->efd_lock); retry: if (efd->efd_count == 0) { if ((fp->f_flag & FNONBLOCK) != 0) { mtx_unlock(&efd->efd_lock); return (EAGAIN); } error = mtx_sleep(&efd->efd_count, &efd->efd_lock, PCATCH, "lefdrd", 0); if (error == 0) goto retry; } if (error == 0) { if ((efd->efd_flags & LINUX_EFD_SEMAPHORE) != 0) { count = 1; --efd->efd_count; } else { count = efd->efd_count; efd->efd_count = 0; } KNOTE_LOCKED(&efd->efd_sel.si_note, 0); selwakeup(&efd->efd_sel); wakeup(&efd->efd_count); mtx_unlock(&efd->efd_lock); error = uiomove(&count, sizeof(eventfd_t), uio); } else mtx_unlock(&efd->efd_lock); return (error); } static int eventfd_write(struct file *fp, struct uio *uio, struct ucred *active_cred, int flags, struct thread *td) { struct eventfd *efd; eventfd_t count; int error; efd = fp->f_data; if (fp->f_type != DTYPE_LINUXEFD || efd == NULL) return (EINVAL); if (uio->uio_resid < sizeof(eventfd_t)) return (EINVAL); error = uiomove(&count, sizeof(eventfd_t), uio); if (error != 0) return (error); if (count == UINT64_MAX) return (EINVAL); mtx_lock(&efd->efd_lock); retry: if (UINT64_MAX - efd->efd_count <= count) { if ((fp->f_flag & FNONBLOCK) != 0) { mtx_unlock(&efd->efd_lock); /* Do not not return the number of bytes written */ uio->uio_resid += sizeof(eventfd_t); return (EAGAIN); } error = mtx_sleep(&efd->efd_count, &efd->efd_lock, PCATCH, "lefdwr", 0); if (error == 0) goto retry; } if (error == 0) { efd->efd_count += count; KNOTE_LOCKED(&efd->efd_sel.si_note, 0); selwakeup(&efd->efd_sel); wakeup(&efd->efd_count); } mtx_unlock(&efd->efd_lock); return (error); } static int eventfd_poll(struct file *fp, int events, struct ucred *active_cred, struct thread *td) { struct eventfd *efd; int revents = 0; efd = fp->f_data; if (fp->f_type != DTYPE_LINUXEFD || efd == NULL) return (POLLERR); mtx_lock(&efd->efd_lock); if ((events & (POLLIN|POLLRDNORM)) && efd->efd_count > 0) revents |= events & (POLLIN|POLLRDNORM); if ((events & (POLLOUT|POLLWRNORM)) && UINT64_MAX - 1 > efd->efd_count) revents |= events & (POLLOUT|POLLWRNORM); if (revents == 0) selrecord(td, &efd->efd_sel); mtx_unlock(&efd->efd_lock); return (revents); } /*ARGSUSED*/ static int eventfd_kqfilter(struct file *fp, struct knote *kn) { struct eventfd *efd; efd = fp->f_data; if (fp->f_type != DTYPE_LINUXEFD || efd == NULL) return (EINVAL); mtx_lock(&efd->efd_lock); switch (kn->kn_filter) { case EVFILT_READ: kn->kn_fop = &eventfd_rfiltops; break; case EVFILT_WRITE: kn->kn_fop = &eventfd_wfiltops; break; default: mtx_unlock(&efd->efd_lock); return (EINVAL); } kn->kn_hook = efd; knlist_add(&efd->efd_sel.si_note, kn, 1); mtx_unlock(&efd->efd_lock); return (0); } static void filt_eventfddetach(struct knote *kn) { struct eventfd *efd = kn->kn_hook; mtx_lock(&efd->efd_lock); knlist_remove(&efd->efd_sel.si_note, kn, 1); mtx_unlock(&efd->efd_lock); } /*ARGSUSED*/ static int filt_eventfdread(struct knote *kn, long hint) { struct eventfd *efd = kn->kn_hook; int ret; mtx_assert(&efd->efd_lock, MA_OWNED); ret = (efd->efd_count > 0); return (ret); } /*ARGSUSED*/ static int filt_eventfdwrite(struct knote *kn, long hint) { struct eventfd *efd = kn->kn_hook; int ret; mtx_assert(&efd->efd_lock, MA_OWNED); ret = (UINT64_MAX - 1 > efd->efd_count); return (ret); } /*ARGSUSED*/ static int eventfd_ioctl(struct file *fp, u_long cmd, void *data, struct ucred *active_cred, struct thread *td) { if (fp->f_data == NULL || (fp->f_type != DTYPE_LINUXEFD && fp->f_type != DTYPE_LINUXTFD)) return (EINVAL); switch (cmd) { case FIONBIO: if ((*(int *)data)) atomic_set_int(&fp->f_flag, FNONBLOCK); else atomic_clear_int(&fp->f_flag, FNONBLOCK); case FIOASYNC: return (0); default: return (ENXIO); } } /*ARGSUSED*/ static int eventfd_stat(struct file *fp, struct stat *st, struct ucred *active_cred, struct thread *td) { return (ENXIO); } /*ARGSUSED*/ static int eventfd_fill_kinfo(struct file *fp, struct kinfo_file *kif, struct filedesc *fdp) { kif->kf_type = KF_TYPE_UNKNOWN; return (0); } int linux_timerfd_create(struct thread *td, struct linux_timerfd_create_args *args) { struct filedesc *fdp; struct timerfd *tfd; struct file *fp; clockid_t clockid; int fflags, fd, error; if ((args->flags & ~LINUX_TFD_CREATE_FLAGS) != 0) return (EINVAL); error = linux_to_native_clockid(&clockid, args->clockid); if (error != 0) return (error); if (clockid != CLOCK_REALTIME && clockid != CLOCK_MONOTONIC) return (EINVAL); fflags = 0; if ((args->flags & LINUX_TFD_CLOEXEC) != 0) fflags |= O_CLOEXEC; fdp = td->td_proc->p_fd; error = falloc(td, &fp, &fd, fflags); if (error != 0) return (error); tfd = malloc(sizeof(*tfd), M_EPOLL, M_WAITOK | M_ZERO); tfd->tfd_clockid = clockid; mtx_init(&tfd->tfd_lock, "timerfd", NULL, MTX_DEF); callout_init_mtx(&tfd->tfd_callout, &tfd->tfd_lock, 0); knlist_init_mtx(&tfd->tfd_sel.si_note, &tfd->tfd_lock); fflags = FREAD; if ((args->flags & LINUX_O_NONBLOCK) != 0) fflags |= FNONBLOCK; finit(fp, fflags, DTYPE_LINUXTFD, tfd, &timerfdops); fdrop(fp, td); td->td_retval[0] = fd; return (error); } static int timerfd_close(struct file *fp, struct thread *td) { struct timerfd *tfd; tfd = fp->f_data; if (fp->f_type != DTYPE_LINUXTFD || tfd == NULL) return (EINVAL); timespecclear(&tfd->tfd_time.it_value); timespecclear(&tfd->tfd_time.it_interval); mtx_lock(&tfd->tfd_lock); callout_drain(&tfd->tfd_callout); mtx_unlock(&tfd->tfd_lock); seldrain(&tfd->tfd_sel); knlist_destroy(&tfd->tfd_sel.si_note); fp->f_ops = &badfileops; mtx_destroy(&tfd->tfd_lock); free(tfd, M_EPOLL); return (0); } static int timerfd_read(struct file *fp, struct uio *uio, struct ucred *active_cred, int flags, struct thread *td) { struct timerfd *tfd; timerfd_t count; int error; tfd = fp->f_data; if (fp->f_type != DTYPE_LINUXTFD || tfd == NULL) return (EINVAL); if (uio->uio_resid < sizeof(timerfd_t)) return (EINVAL); error = 0; mtx_lock(&tfd->tfd_lock); retry: if (tfd->tfd_canceled) { tfd->tfd_count = 0; mtx_unlock(&tfd->tfd_lock); return (ECANCELED); } if (tfd->tfd_count == 0) { if ((fp->f_flag & FNONBLOCK) != 0) { mtx_unlock(&tfd->tfd_lock); return (EAGAIN); } error = mtx_sleep(&tfd->tfd_count, &tfd->tfd_lock, PCATCH, "ltfdrd", 0); if (error == 0) goto retry; } if (error == 0) { count = tfd->tfd_count; tfd->tfd_count = 0; mtx_unlock(&tfd->tfd_lock); error = uiomove(&count, sizeof(timerfd_t), uio); } else mtx_unlock(&tfd->tfd_lock); return (error); } static int timerfd_poll(struct file *fp, int events, struct ucred *active_cred, struct thread *td) { struct timerfd *tfd; int revents = 0; tfd = fp->f_data; if (fp->f_type != DTYPE_LINUXTFD || tfd == NULL) return (POLLERR); mtx_lock(&tfd->tfd_lock); if ((events & (POLLIN|POLLRDNORM)) && tfd->tfd_count > 0) revents |= events & (POLLIN|POLLRDNORM); if (revents == 0) selrecord(td, &tfd->tfd_sel); mtx_unlock(&tfd->tfd_lock); return (revents); } /*ARGSUSED*/ static int timerfd_kqfilter(struct file *fp, struct knote *kn) { struct timerfd *tfd; tfd = fp->f_data; if (fp->f_type != DTYPE_LINUXTFD || tfd == NULL) return (EINVAL); if (kn->kn_filter == EVFILT_READ) kn->kn_fop = &timerfd_rfiltops; else return (EINVAL); kn->kn_hook = tfd; knlist_add(&tfd->tfd_sel.si_note, kn, 0); return (0); } static void filt_timerfddetach(struct knote *kn) { struct timerfd *tfd = kn->kn_hook; mtx_lock(&tfd->tfd_lock); knlist_remove(&tfd->tfd_sel.si_note, kn, 1); mtx_unlock(&tfd->tfd_lock); } /*ARGSUSED*/ static int filt_timerfdread(struct knote *kn, long hint) { struct timerfd *tfd = kn->kn_hook; return (tfd->tfd_count > 0); } /*ARGSUSED*/ static int timerfd_stat(struct file *fp, struct stat *st, struct ucred *active_cred, struct thread *td) { return (ENXIO); } /*ARGSUSED*/ static int timerfd_fill_kinfo(struct file *fp, struct kinfo_file *kif, struct filedesc *fdp) { kif->kf_type = KF_TYPE_UNKNOWN; return (0); } static void linux_timerfd_clocktime(struct timerfd *tfd, struct timespec *ts) { if (tfd->tfd_clockid == CLOCK_REALTIME) getnanotime(ts); else /* CLOCK_MONOTONIC */ getnanouptime(ts); } static void linux_timerfd_curval(struct timerfd *tfd, struct itimerspec *ots) { struct timespec cts; linux_timerfd_clocktime(tfd, &cts); *ots = tfd->tfd_time; if (ots->it_value.tv_sec != 0 || ots->it_value.tv_nsec != 0) { timespecsub(&ots->it_value, &cts); if (ots->it_value.tv_sec < 0 || (ots->it_value.tv_sec == 0 && ots->it_value.tv_nsec == 0)) { ots->it_value.tv_sec = 0; ots->it_value.tv_nsec = 1; } } } int linux_timerfd_gettime(struct thread *td, struct linux_timerfd_gettime_args *args) { cap_rights_t rights; struct l_itimerspec lots; struct itimerspec ots; struct timerfd *tfd; struct file *fp; int error; error = fget(td, args->fd, cap_rights_init(&rights, CAP_READ), &fp); if (error != 0) return (error); tfd = fp->f_data; if (fp->f_type != DTYPE_LINUXTFD || tfd == NULL) { error = EINVAL; goto out; } mtx_lock(&tfd->tfd_lock); linux_timerfd_curval(tfd, &ots); mtx_unlock(&tfd->tfd_lock); error = native_to_linux_itimerspec(&lots, &ots); if (error == 0) error = copyout(&lots, args->old_value, sizeof(lots)); out: fdrop(fp, td); return (error); } int linux_timerfd_settime(struct thread *td, struct linux_timerfd_settime_args *args) { struct l_itimerspec lots; struct itimerspec nts, ots; struct timespec cts, ts; cap_rights_t rights; struct timerfd *tfd; struct timeval tv; struct file *fp; int error; if ((args->flags & ~LINUX_TFD_SETTIME_FLAGS) != 0) return (EINVAL); error = copyin(args->new_value, &lots, sizeof(lots)); if (error != 0) return (error); error = linux_to_native_itimerspec(&nts, &lots); if (error != 0) return (error); error = fget(td, args->fd, cap_rights_init(&rights, CAP_WRITE), &fp); if (error != 0) return (error); tfd = fp->f_data; if (fp->f_type != DTYPE_LINUXTFD || tfd == NULL) { error = EINVAL; goto out; } mtx_lock(&tfd->tfd_lock); if (!timespecisset(&nts.it_value)) timespecclear(&nts.it_interval); if (args->old_value != NULL) linux_timerfd_curval(tfd, &ots); tfd->tfd_time = nts; if (timespecisset(&nts.it_value)) { linux_timerfd_clocktime(tfd, &cts); ts = nts.it_value; if ((args->flags & LINUX_TFD_TIMER_ABSTIME) == 0) { timespecadd(&tfd->tfd_time.it_value, &cts); } else { timespecsub(&ts, &cts); } TIMESPEC_TO_TIMEVAL(&tv, &ts); callout_reset(&tfd->tfd_callout, tvtohz(&tv), linux_timerfd_expire, tfd); tfd->tfd_canceled = false; } else { tfd->tfd_canceled = true; callout_stop(&tfd->tfd_callout); } mtx_unlock(&tfd->tfd_lock); if (args->old_value != NULL) { error = native_to_linux_itimerspec(&lots, &ots); if (error == 0) error = copyout(&lots, args->old_value, sizeof(lots)); } out: fdrop(fp, td); return (error); } static void linux_timerfd_expire(void *arg) { struct timespec cts, ts; struct timeval tv; struct timerfd *tfd; tfd = (struct timerfd *)arg; linux_timerfd_clocktime(tfd, &cts); if (timespeccmp(&cts, &tfd->tfd_time.it_value, >=)) { if (timespecisset(&tfd->tfd_time.it_interval)) timespecadd(&tfd->tfd_time.it_value, &tfd->tfd_time.it_interval); else /* single shot timer */ timespecclear(&tfd->tfd_time.it_value); if (timespecisset(&tfd->tfd_time.it_value)) { ts = tfd->tfd_time.it_value; timespecsub(&ts, &cts); TIMESPEC_TO_TIMEVAL(&tv, &ts); callout_reset(&tfd->tfd_callout, tvtohz(&tv), linux_timerfd_expire, tfd); } tfd->tfd_count++; KNOTE_LOCKED(&tfd->tfd_sel.si_note, 0); selwakeup(&tfd->tfd_sel); wakeup(&tfd->tfd_count); } else if (timespecisset(&tfd->tfd_time.it_value)) { ts = tfd->tfd_time.it_value; timespecsub(&ts, &cts); TIMESPEC_TO_TIMEVAL(&tv, &ts); callout_reset(&tfd->tfd_callout, tvtohz(&tv), linux_timerfd_expire, tfd); } } Index: head/sys/compat/linux/linux_file.h =================================================================== --- head/sys/compat/linux/linux_file.h (revision 328889) +++ head/sys/compat/linux/linux_file.h (revision 328890) @@ -1,130 +1,130 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2007 Roman Divacky * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _LINUX_FILE_H_ #define _LINUX_FILE_H_ #define LINUX_AT_FDCWD -100 #define LINUX_AT_SYMLINK_NOFOLLOW 0x100 #define LINUX_AT_EACCESS 0x200 #define LINUX_AT_REMOVEDIR 0x200 #define LINUX_AT_SYMLINK_FOLLOW 0x400 /* * posix_fadvise advice */ #define LINUX_POSIX_FADV_NORMAL 0 #define LINUX_POSIX_FADV_RANDOM 1 -#define LINUX_POSIX_FADV_SEQUENTIAL 2 -#define LINUX_POSIX_FADV_WILLNEED 3 -#define LINUX_POSIX_FADV_DONTNEED 4 -#define LINUX_POSIX_FADV_NOREUSE 5 +#define LINUX_POSIX_FADV_SEQUENTIAL 2 +#define LINUX_POSIX_FADV_WILLNEED 3 +#define LINUX_POSIX_FADV_DONTNEED 4 +#define LINUX_POSIX_FADV_NOREUSE 5 /* * mount flags */ #define LINUX_MS_RDONLY 0x0001 #define LINUX_MS_NOSUID 0x0002 #define LINUX_MS_NODEV 0x0004 #define LINUX_MS_NOEXEC 0x0008 #define LINUX_MS_REMOUNT 0x0020 /* * common open/fcntl flags */ #define LINUX_O_RDONLY 00000000 #define LINUX_O_WRONLY 00000001 #define LINUX_O_RDWR 00000002 #define LINUX_O_ACCMODE 00000003 #define LINUX_O_CREAT 00000100 #define LINUX_O_EXCL 00000200 #define LINUX_O_NOCTTY 00000400 #define LINUX_O_TRUNC 00001000 #define LINUX_O_APPEND 00002000 #define LINUX_O_NONBLOCK 00004000 #define LINUX_O_NDELAY LINUX_O_NONBLOCK #define LINUX_O_SYNC 00010000 #define LINUX_FASYNC 00020000 #define LINUX_O_DIRECT 00040000 /* Direct disk access hint */ #define LINUX_O_LARGEFILE 00100000 #define LINUX_O_DIRECTORY 00200000 /* Must be a directory */ #define LINUX_O_NOFOLLOW 00400000 /* Do not follow links */ #define LINUX_O_NOATIME 01000000 #define LINUX_O_CLOEXEC 02000000 #define LINUX_F_DUPFD 0 #define LINUX_F_GETFD 1 #define LINUX_F_SETFD 2 #define LINUX_F_GETFL 3 #define LINUX_F_SETFL 4 #ifndef LINUX_F_GETLK #define LINUX_F_GETLK 5 #define LINUX_F_SETLK 6 #define LINUX_F_SETLKW 7 #endif #ifndef LINUX_F_SETOWN #define LINUX_F_SETOWN 8 #define LINUX_F_GETOWN 9 #endif #ifndef LINUX_F_SETSIG #define LINUX_F_SETSIG 10 #define LINUX_F_GETSIG 11 #endif #ifndef LINUX_F_SETOWN_EX #define LINUX_F_SETOWN_EX 15 #define LINUX_F_GETOWN_EX 16 #define LINUX_F_GETOWNER_UIDS 17 #endif #define LINUX_F_SPECIFIC_BASE 1024 #define LINUX_F_SETLEASE (LINUX_F_SPECIFIC_BASE + 0) #define LINUX_F_GETLEASE (LINUX_F_SPECIFIC_BASE + 1) #define LINUX_F_CANCELLK (LINUX_F_SPECIFIC_BASE + 5) #define LINUX_F_DUPFD_CLOEXEC (LINUX_F_SPECIFIC_BASE + 6) #define LINUX_F_NOTIFY (LINUX_F_SPECIFIC_BASE + 2) #define LINUX_F_SETPIPE_SZ (LINUX_F_SPECIFIC_BASE + 7) #define LINUX_F_GETPIPE_SZ (LINUX_F_SPECIFIC_BASE + 8) #define LINUX_F_GETLKP 36 #define LINUX_F_SETLKP 37 #define LINUX_F_SETLKPW 38 #define LINUX_F_OWNER_TID 0 #define LINUX_F_OWNER_PID 1 #define LINUX_F_OWNER_PGRP 2 #ifndef LINUX_F_RDLCK #define LINUX_F_RDLCK 0 #define LINUX_F_WRLCK 1 #define LINUX_F_UNLCK 2 #endif #endif /* !_LINUX_FILE_H_ */ Index: head/sys/compat/linux/linux_fork.c =================================================================== --- head/sys/compat/linux/linux_fork.c (revision 328889) +++ head/sys/compat/linux/linux_fork.c (revision 328890) @@ -1,487 +1,487 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2004 Tim J. Robbins * Copyright (c) 2002 Doug Rabson * Copyright (c) 2000 Marcel Moolenaar * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include "opt_compat.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef COMPAT_LINUX32 #include #include #else #include #include #endif #include #include #include #include int linux_fork(struct thread *td, struct linux_fork_args *args) { struct fork_req fr; int error; struct proc *p2; struct thread *td2; #ifdef DEBUG if (ldebug(fork)) printf(ARGS(fork, "")); #endif bzero(&fr, sizeof(fr)); fr.fr_flags = RFFDG | RFPROC | RFSTOPPED; fr.fr_procp = &p2; if ((error = fork1(td, &fr)) != 0) return (error); td2 = FIRST_THREAD_IN_PROC(p2); linux_proc_init(td, td2, 0); td->td_retval[0] = p2->p_pid; /* * Make this runnable after we are finished with it. */ thread_lock(td2); TD_SET_CAN_RUN(td2); sched_add(td2, SRQ_BORING); thread_unlock(td2); return (0); } int linux_vfork(struct thread *td, struct linux_vfork_args *args) { struct fork_req fr; int error; struct proc *p2; struct thread *td2; #ifdef DEBUG if (ldebug(vfork)) printf(ARGS(vfork, "")); #endif bzero(&fr, sizeof(fr)); fr.fr_flags = RFFDG | RFPROC | RFMEM | RFPPWAIT | RFSTOPPED; fr.fr_procp = &p2; if ((error = fork1(td, &fr)) != 0) return (error); td2 = FIRST_THREAD_IN_PROC(p2); linux_proc_init(td, td2, 0); - td->td_retval[0] = p2->p_pid; + td->td_retval[0] = p2->p_pid; /* * Make this runnable after we are finished with it. */ thread_lock(td2); TD_SET_CAN_RUN(td2); sched_add(td2, SRQ_BORING); thread_unlock(td2); return (0); } static int linux_clone_proc(struct thread *td, struct linux_clone_args *args) { struct fork_req fr; int error, ff = RFPROC | RFSTOPPED; struct proc *p2; struct thread *td2; int exit_signal; struct linux_emuldata *em; #ifdef DEBUG if (ldebug(clone)) { printf(ARGS(clone, "flags %x, stack %p, parent tid: %p, " "child tid: %p"), (unsigned)args->flags, args->stack, args->parent_tidptr, args->child_tidptr); } #endif exit_signal = args->flags & 0x000000ff; if (LINUX_SIG_VALID(exit_signal)) { exit_signal = linux_to_bsd_signal(exit_signal); } else if (exit_signal != 0) return (EINVAL); if (args->flags & LINUX_CLONE_VM) ff |= RFMEM; if (args->flags & LINUX_CLONE_SIGHAND) ff |= RFSIGSHARE; /* * XXX: In Linux, sharing of fs info (chroot/cwd/umask) * and open files is independent. In FreeBSD, its in one * structure but in reality it does not cause any problems * because both of these flags are usually set together. */ if (!(args->flags & (LINUX_CLONE_FILES | LINUX_CLONE_FS))) ff |= RFFDG; if (args->flags & LINUX_CLONE_PARENT_SETTID) if (args->parent_tidptr == NULL) return (EINVAL); if (args->flags & LINUX_CLONE_VFORK) ff |= RFPPWAIT; bzero(&fr, sizeof(fr)); fr.fr_flags = ff; fr.fr_procp = &p2; error = fork1(td, &fr); if (error) return (error); td2 = FIRST_THREAD_IN_PROC(p2); /* create the emuldata */ linux_proc_init(td, td2, args->flags); em = em_find(td2); KASSERT(em != NULL, ("clone_proc: emuldata not found.\n")); if (args->flags & LINUX_CLONE_CHILD_SETTID) em->child_set_tid = args->child_tidptr; else - em->child_set_tid = NULL; + em->child_set_tid = NULL; if (args->flags & LINUX_CLONE_CHILD_CLEARTID) em->child_clear_tid = args->child_tidptr; else - em->child_clear_tid = NULL; + em->child_clear_tid = NULL; if (args->flags & LINUX_CLONE_PARENT_SETTID) { error = copyout(&p2->p_pid, args->parent_tidptr, sizeof(p2->p_pid)); if (error) printf(LMSG("copyout failed!")); } PROC_LOCK(p2); p2->p_sigparent = exit_signal; PROC_UNLOCK(p2); /* * In a case of stack = NULL, we are supposed to COW calling process * stack. This is what normal fork() does, so we just keep tf_rsp arg * intact. */ linux_set_upcall_kse(td2, PTROUT(args->stack)); if (args->flags & LINUX_CLONE_SETTLS) linux_set_cloned_tls(td2, args->tls); /* - * If CLONE_PARENT is set, then the parent of the new process will be + * If CLONE_PARENT is set, then the parent of the new process will be * the same as that of the calling process. */ if (args->flags & LINUX_CLONE_PARENT) { sx_xlock(&proctree_lock); PROC_LOCK(p2); proc_reparent(p2, td->td_proc->p_pptr); PROC_UNLOCK(p2); sx_xunlock(&proctree_lock); } #ifdef DEBUG if (ldebug(clone)) printf(LMSG("clone: successful rfork to %d, " "stack %p sig = %d"), (int)p2->p_pid, args->stack, exit_signal); #endif /* * Make this runnable after we are finished with it. */ thread_lock(td2); TD_SET_CAN_RUN(td2); sched_add(td2, SRQ_BORING); thread_unlock(td2); td->td_retval[0] = p2->p_pid; return (0); } static int linux_clone_thread(struct thread *td, struct linux_clone_args *args) { struct linux_emuldata *em; struct thread *newtd; struct proc *p; int error; #ifdef DEBUG if (ldebug(clone)) { printf(ARGS(clone, "thread: flags %x, stack %p, parent tid: %p, " "child tid: %p"), (unsigned)args->flags, args->stack, args->parent_tidptr, args->child_tidptr); } #endif LINUX_CTR4(clone_thread, "thread(%d) flags %x ptid %p ctid %p", td->td_tid, (unsigned)args->flags, args->parent_tidptr, args->child_tidptr); if (args->flags & LINUX_CLONE_PARENT_SETTID) if (args->parent_tidptr == NULL) return (EINVAL); /* Threads should be created with own stack */ if (args->stack == NULL) return (EINVAL); p = td->td_proc; #ifdef RACCT if (racct_enable) { PROC_LOCK(p); error = racct_add(p, RACCT_NTHR, 1); PROC_UNLOCK(p); if (error != 0) return (EPROCLIM); } #endif /* Initialize our td */ error = kern_thr_alloc(p, 0, &newtd); if (error) goto fail; cpu_copy_thread(newtd, td); bzero(&newtd->td_startzero, __rangeof(struct thread, td_startzero, td_endzero)); bcopy(&td->td_startcopy, &newtd->td_startcopy, __rangeof(struct thread, td_startcopy, td_endcopy)); newtd->td_proc = p; thread_cow_get(newtd, td); /* create the emuldata */ linux_proc_init(td, newtd, args->flags); em = em_find(newtd); KASSERT(em != NULL, ("clone_thread: emuldata not found.\n")); if (args->flags & LINUX_CLONE_SETTLS) linux_set_cloned_tls(newtd, args->tls); if (args->flags & LINUX_CLONE_CHILD_SETTID) em->child_set_tid = args->child_tidptr; else - em->child_set_tid = NULL; + em->child_set_tid = NULL; if (args->flags & LINUX_CLONE_CHILD_CLEARTID) em->child_clear_tid = args->child_tidptr; else - em->child_clear_tid = NULL; + em->child_clear_tid = NULL; cpu_thread_clean(newtd); - + linux_set_upcall_kse(newtd, PTROUT(args->stack)); PROC_LOCK(p); p->p_flag |= P_HADTHREADS; bcopy(p->p_comm, newtd->td_name, sizeof(newtd->td_name)); if (args->flags & LINUX_CLONE_PARENT) thread_link(newtd, p->p_pptr); else thread_link(newtd, p); thread_lock(td); /* let the scheduler know about these things. */ sched_fork_thread(td, newtd); thread_unlock(td); if (P_SHOULDSTOP(p)) newtd->td_flags |= TDF_ASTPENDING | TDF_NEEDSUSPCHK; PROC_UNLOCK(p); tidhash_add(newtd); #ifdef DEBUG if (ldebug(clone)) printf(ARGS(clone, "successful clone to %d, stack %p"), (int)newtd->td_tid, args->stack); #endif LINUX_CTR2(clone_thread, "thread(%d) successful clone to %d", td->td_tid, newtd->td_tid); if (args->flags & LINUX_CLONE_PARENT_SETTID) { error = copyout(&newtd->td_tid, args->parent_tidptr, sizeof(newtd->td_tid)); if (error) printf(LMSG("clone_thread: copyout failed!")); } /* * Make this runnable after we are finished with it. */ thread_lock(newtd); TD_SET_CAN_RUN(newtd); sched_add(newtd, SRQ_BORING); thread_unlock(newtd); td->td_retval[0] = newtd->td_tid; return (0); fail: #ifdef RACCT if (racct_enable) { PROC_LOCK(p); racct_sub(p, RACCT_NTHR, 1); PROC_UNLOCK(p); } #endif return (error); } int linux_clone(struct thread *td, struct linux_clone_args *args) { if (args->flags & LINUX_CLONE_THREAD) return (linux_clone_thread(td, args)); else return (linux_clone_proc(td, args)); } int linux_exit(struct thread *td, struct linux_exit_args *args) { struct linux_emuldata *em; em = em_find(td); KASSERT(em != NULL, ("exit: emuldata not found.\n")); LINUX_CTR2(exit, "thread(%d) (%d)", em->em_tid, args->rval); umtx_thread_exit(td); linux_thread_detach(td); /* * XXX. When the last two threads of a process * exit via pthread_exit() try thr_exit() first. */ kern_thr_exit(td); exit1(td, args->rval, 0); /* NOTREACHED */ } int linux_set_tid_address(struct thread *td, struct linux_set_tid_address_args *args) { struct linux_emuldata *em; em = em_find(td); KASSERT(em != NULL, ("set_tid_address: emuldata not found.\n")); em->child_clear_tid = args->tidptr; td->td_retval[0] = em->em_tid; LINUX_CTR3(set_tid_address, "tidptr(%d) %p, returns %d", em->em_tid, args->tidptr, td->td_retval[0]); return (0); } void linux_thread_detach(struct thread *td) { struct linux_sys_futex_args cup; struct linux_emuldata *em; int *child_clear_tid; int error; em = em_find(td); KASSERT(em != NULL, ("thread_detach: emuldata not found.\n")); LINUX_CTR1(thread_detach, "thread(%d)", em->em_tid); release_futexes(td, em); child_clear_tid = em->child_clear_tid; if (child_clear_tid != NULL) { LINUX_CTR2(thread_detach, "thread(%d) %p", em->em_tid, child_clear_tid); - + error = suword32(child_clear_tid, 0); if (error != 0) return; cup.uaddr = child_clear_tid; cup.op = LINUX_FUTEX_WAKE; cup.val = 1; /* wake one */ cup.timeout = NULL; cup.uaddr2 = NULL; cup.val3 = 0; error = linux_sys_futex(td, &cup); /* * this cannot happen at the moment and if this happens it * probably means there is a user space bug */ if (error != 0) linux_msg(td, "futex stuff in thread_detach failed."); } } Index: head/sys/compat/linux/linux_ioctl.c =================================================================== --- head/sys/compat/linux/linux_ioctl.c (revision 328889) +++ head/sys/compat/linux/linux_ioctl.c (revision 328890) @@ -1,3812 +1,3812 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1994-1995 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "opt_compat.h" #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef COMPAT_LINUX32 #include #include #else #include #include #endif #include #include #include #include #include #include #include #include #include #include CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ); static linux_ioctl_function_t linux_ioctl_cdrom; static linux_ioctl_function_t linux_ioctl_vfat; static linux_ioctl_function_t linux_ioctl_console; static linux_ioctl_function_t linux_ioctl_hdio; static linux_ioctl_function_t linux_ioctl_disk; static linux_ioctl_function_t linux_ioctl_socket; static linux_ioctl_function_t linux_ioctl_sound; static linux_ioctl_function_t linux_ioctl_termio; static linux_ioctl_function_t linux_ioctl_private; static linux_ioctl_function_t linux_ioctl_drm; static linux_ioctl_function_t linux_ioctl_sg; static linux_ioctl_function_t linux_ioctl_v4l; static linux_ioctl_function_t linux_ioctl_v4l2; static linux_ioctl_function_t linux_ioctl_special; static linux_ioctl_function_t linux_ioctl_fbsd_usb; static linux_ioctl_function_t linux_ioctl_evdev; static struct linux_ioctl_handler cdrom_handler = { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; static struct linux_ioctl_handler vfat_handler = { linux_ioctl_vfat, LINUX_IOCTL_VFAT_MIN, LINUX_IOCTL_VFAT_MAX }; static struct linux_ioctl_handler console_handler = { linux_ioctl_console, LINUX_IOCTL_CONSOLE_MIN, LINUX_IOCTL_CONSOLE_MAX }; static struct linux_ioctl_handler hdio_handler = { linux_ioctl_hdio, LINUX_IOCTL_HDIO_MIN, LINUX_IOCTL_HDIO_MAX }; static struct linux_ioctl_handler disk_handler = { linux_ioctl_disk, LINUX_IOCTL_DISK_MIN, LINUX_IOCTL_DISK_MAX }; static struct linux_ioctl_handler socket_handler = { linux_ioctl_socket, LINUX_IOCTL_SOCKET_MIN, LINUX_IOCTL_SOCKET_MAX }; static struct linux_ioctl_handler sound_handler = { linux_ioctl_sound, LINUX_IOCTL_SOUND_MIN, LINUX_IOCTL_SOUND_MAX }; static struct linux_ioctl_handler termio_handler = { linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX }; static struct linux_ioctl_handler private_handler = { linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX }; static struct linux_ioctl_handler drm_handler = { linux_ioctl_drm, LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX }; static struct linux_ioctl_handler sg_handler = { linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX }; static struct linux_ioctl_handler video_handler = { linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX }; static struct linux_ioctl_handler video2_handler = { linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX }; static struct linux_ioctl_handler fbsd_usb = { linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX }; static struct linux_ioctl_handler evdev_handler = { linux_ioctl_evdev, LINUX_IOCTL_EVDEV_MIN, LINUX_IOCTL_EVDEV_MAX }; DATA_SET(linux_ioctl_handler_set, cdrom_handler); DATA_SET(linux_ioctl_handler_set, vfat_handler); DATA_SET(linux_ioctl_handler_set, console_handler); DATA_SET(linux_ioctl_handler_set, hdio_handler); DATA_SET(linux_ioctl_handler_set, disk_handler); DATA_SET(linux_ioctl_handler_set, socket_handler); DATA_SET(linux_ioctl_handler_set, sound_handler); DATA_SET(linux_ioctl_handler_set, termio_handler); DATA_SET(linux_ioctl_handler_set, private_handler); DATA_SET(linux_ioctl_handler_set, drm_handler); DATA_SET(linux_ioctl_handler_set, sg_handler); DATA_SET(linux_ioctl_handler_set, video_handler); DATA_SET(linux_ioctl_handler_set, video2_handler); DATA_SET(linux_ioctl_handler_set, fbsd_usb); DATA_SET(linux_ioctl_handler_set, evdev_handler); struct handler_element { TAILQ_ENTRY(handler_element) list; int (*func)(struct thread *, struct linux_ioctl_args *); int low, high, span; }; static TAILQ_HEAD(, handler_element) handlers = TAILQ_HEAD_INITIALIZER(handlers); static struct sx linux_ioctl_sx; SX_SYSINIT(linux_ioctl, &linux_ioctl_sx, "linux ioctl handlers"); /* * hdio related ioctls for VMWare support */ struct linux_hd_geometry { u_int8_t heads; u_int8_t sectors; u_int16_t cylinders; u_int32_t start; }; struct linux_hd_big_geometry { u_int8_t heads; u_int8_t sectors; u_int32_t cylinders; u_int32_t start; }; static int linux_ioctl_hdio(struct thread *td, struct linux_ioctl_args *args) { cap_rights_t rights; struct file *fp; int error; u_int sectorsize, fwcylinders, fwheads, fwsectors; off_t mediasize, bytespercyl; error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); switch (args->cmd & 0xffff) { case LINUX_HDIO_GET_GEO: case LINUX_HDIO_GET_GEO_BIG: error = fo_ioctl(fp, DIOCGMEDIASIZE, (caddr_t)&mediasize, td->td_ucred, td); if (!error) error = fo_ioctl(fp, DIOCGSECTORSIZE, (caddr_t)§orsize, td->td_ucred, td); if (!error) error = fo_ioctl(fp, DIOCGFWHEADS, (caddr_t)&fwheads, td->td_ucred, td); if (!error) error = fo_ioctl(fp, DIOCGFWSECTORS, (caddr_t)&fwsectors, td->td_ucred, td); /* * XXX: DIOCGFIRSTOFFSET is not yet implemented, so * so pretend that GEOM always says 0. This is NOT VALID * for slices or partitions, only the per-disk raw devices. */ fdrop(fp, td); if (error) return (error); /* * 1. Calculate the number of bytes in a cylinder, * given the firmware's notion of heads and sectors * per cylinder. * 2. Calculate the number of cylinders, given the total * size of the media. * All internal calculations should have 64-bit precision. */ bytespercyl = (off_t) sectorsize * fwheads * fwsectors; fwcylinders = mediasize / bytespercyl; #if defined(DEBUG) linux_msg(td, "HDIO_GET_GEO: mediasize %jd, c/h/s %d/%d/%d, " "bpc %jd", - (intmax_t)mediasize, fwcylinders, fwheads, fwsectors, + (intmax_t)mediasize, fwcylinders, fwheads, fwsectors, (intmax_t)bytespercyl); #endif if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO) { struct linux_hd_geometry hdg; hdg.cylinders = fwcylinders; hdg.heads = fwheads; hdg.sectors = fwsectors; hdg.start = 0; error = copyout(&hdg, (void *)args->arg, sizeof(hdg)); } else if ((args->cmd & 0xffff) == LINUX_HDIO_GET_GEO_BIG) { struct linux_hd_big_geometry hdbg; hdbg.cylinders = fwcylinders; hdbg.heads = fwheads; hdbg.sectors = fwsectors; hdbg.start = 0; error = copyout(&hdbg, (void *)args->arg, sizeof(hdbg)); } return (error); break; default: /* XXX */ linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", args->fd, (int)(args->cmd & 0xffff), (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); break; } fdrop(fp, td); return (ENOIOCTL); } static int linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args) { cap_rights_t rights; struct file *fp; int error; u_int sectorsize; off_t mediasize; error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); switch (args->cmd & 0xffff) { case LINUX_BLKGETSIZE: error = fo_ioctl(fp, DIOCGSECTORSIZE, (caddr_t)§orsize, td->td_ucred, td); if (!error) error = fo_ioctl(fp, DIOCGMEDIASIZE, (caddr_t)&mediasize, td->td_ucred, td); fdrop(fp, td); if (error) return (error); sectorsize = mediasize / sectorsize; /* * XXX: How do we know we return the right size of integer ? */ return (copyout(§orsize, (void *)args->arg, sizeof(sectorsize))); break; case LINUX_BLKSSZGET: error = fo_ioctl(fp, DIOCGSECTORSIZE, (caddr_t)§orsize, td->td_ucred, td); fdrop(fp, td); if (error) return (error); return (copyout(§orsize, (void *)args->arg, sizeof(sectorsize))); break; } fdrop(fp, td); return (ENOIOCTL); } /* * termio related ioctls */ struct linux_termio { unsigned short c_iflag; unsigned short c_oflag; unsigned short c_cflag; unsigned short c_lflag; unsigned char c_line; unsigned char c_cc[LINUX_NCC]; }; struct linux_termios { unsigned int c_iflag; unsigned int c_oflag; unsigned int c_cflag; unsigned int c_lflag; unsigned char c_line; unsigned char c_cc[LINUX_NCCS]; }; struct linux_winsize { unsigned short ws_row, ws_col; unsigned short ws_xpixel, ws_ypixel; }; struct speedtab { int sp_speed; /* Speed. */ int sp_code; /* Code. */ }; static struct speedtab sptab[] = { { B0, LINUX_B0 }, { B50, LINUX_B50 }, { B75, LINUX_B75 }, { B110, LINUX_B110 }, { B134, LINUX_B134 }, { B150, LINUX_B150 }, { B200, LINUX_B200 }, { B300, LINUX_B300 }, { B600, LINUX_B600 }, { B1200, LINUX_B1200 }, { B1800, LINUX_B1800 }, { B2400, LINUX_B2400 }, { B4800, LINUX_B4800 }, { B9600, LINUX_B9600 }, { B19200, LINUX_B19200 }, { B38400, LINUX_B38400 }, { B57600, LINUX_B57600 }, { B115200, LINUX_B115200 }, {-1, -1 } }; struct linux_serial_struct { int type; int line; int port; int irq; int flags; int xmit_fifo_size; int custom_divisor; int baud_base; unsigned short close_delay; char reserved_char[2]; int hub6; unsigned short closing_wait; unsigned short closing_wait2; int reserved[4]; }; static int linux_to_bsd_speed(int code, struct speedtab *table) { for ( ; table->sp_code != -1; table++) if (table->sp_code == code) return (table->sp_speed); return -1; } static int bsd_to_linux_speed(int speed, struct speedtab *table) { for ( ; table->sp_speed != -1; table++) if (table->sp_speed == speed) return (table->sp_code); return -1; } static void bsd_to_linux_termios(struct termios *bios, struct linux_termios *lios) { int i; #ifdef DEBUG if (ldebug(ioctl)) { printf("LINUX: BSD termios structure (input):\n"); printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, bios->c_ispeed, bios->c_ospeed); printf("c_cc "); for (i=0; ic_cc[i]); printf("\n"); } #endif lios->c_iflag = 0; if (bios->c_iflag & IGNBRK) lios->c_iflag |= LINUX_IGNBRK; if (bios->c_iflag & BRKINT) lios->c_iflag |= LINUX_BRKINT; if (bios->c_iflag & IGNPAR) lios->c_iflag |= LINUX_IGNPAR; if (bios->c_iflag & PARMRK) lios->c_iflag |= LINUX_PARMRK; if (bios->c_iflag & INPCK) lios->c_iflag |= LINUX_INPCK; if (bios->c_iflag & ISTRIP) lios->c_iflag |= LINUX_ISTRIP; if (bios->c_iflag & INLCR) lios->c_iflag |= LINUX_INLCR; if (bios->c_iflag & IGNCR) lios->c_iflag |= LINUX_IGNCR; if (bios->c_iflag & ICRNL) lios->c_iflag |= LINUX_ICRNL; if (bios->c_iflag & IXON) lios->c_iflag |= LINUX_IXON; if (bios->c_iflag & IXANY) lios->c_iflag |= LINUX_IXANY; if (bios->c_iflag & IXOFF) lios->c_iflag |= LINUX_IXOFF; if (bios->c_iflag & IMAXBEL) lios->c_iflag |= LINUX_IMAXBEL; lios->c_oflag = 0; if (bios->c_oflag & OPOST) lios->c_oflag |= LINUX_OPOST; if (bios->c_oflag & ONLCR) lios->c_oflag |= LINUX_ONLCR; if (bios->c_oflag & TAB3) lios->c_oflag |= LINUX_XTABS; lios->c_cflag = bsd_to_linux_speed(bios->c_ispeed, sptab); lios->c_cflag |= (bios->c_cflag & CSIZE) >> 4; if (bios->c_cflag & CSTOPB) lios->c_cflag |= LINUX_CSTOPB; if (bios->c_cflag & CREAD) lios->c_cflag |= LINUX_CREAD; if (bios->c_cflag & PARENB) lios->c_cflag |= LINUX_PARENB; if (bios->c_cflag & PARODD) lios->c_cflag |= LINUX_PARODD; if (bios->c_cflag & HUPCL) lios->c_cflag |= LINUX_HUPCL; if (bios->c_cflag & CLOCAL) lios->c_cflag |= LINUX_CLOCAL; if (bios->c_cflag & CRTSCTS) lios->c_cflag |= LINUX_CRTSCTS; lios->c_lflag = 0; if (bios->c_lflag & ISIG) lios->c_lflag |= LINUX_ISIG; if (bios->c_lflag & ICANON) lios->c_lflag |= LINUX_ICANON; if (bios->c_lflag & ECHO) lios->c_lflag |= LINUX_ECHO; if (bios->c_lflag & ECHOE) lios->c_lflag |= LINUX_ECHOE; if (bios->c_lflag & ECHOK) lios->c_lflag |= LINUX_ECHOK; if (bios->c_lflag & ECHONL) lios->c_lflag |= LINUX_ECHONL; if (bios->c_lflag & NOFLSH) lios->c_lflag |= LINUX_NOFLSH; if (bios->c_lflag & TOSTOP) lios->c_lflag |= LINUX_TOSTOP; if (bios->c_lflag & ECHOCTL) lios->c_lflag |= LINUX_ECHOCTL; if (bios->c_lflag & ECHOPRT) lios->c_lflag |= LINUX_ECHOPRT; if (bios->c_lflag & ECHOKE) lios->c_lflag |= LINUX_ECHOKE; if (bios->c_lflag & FLUSHO) lios->c_lflag |= LINUX_FLUSHO; if (bios->c_lflag & PENDIN) lios->c_lflag |= LINUX_PENDIN; if (bios->c_lflag & IEXTEN) lios->c_lflag |= LINUX_IEXTEN; for (i=0; ic_cc[i] = LINUX_POSIX_VDISABLE; lios->c_cc[LINUX_VINTR] = bios->c_cc[VINTR]; lios->c_cc[LINUX_VQUIT] = bios->c_cc[VQUIT]; lios->c_cc[LINUX_VERASE] = bios->c_cc[VERASE]; lios->c_cc[LINUX_VKILL] = bios->c_cc[VKILL]; lios->c_cc[LINUX_VEOF] = bios->c_cc[VEOF]; lios->c_cc[LINUX_VEOL] = bios->c_cc[VEOL]; lios->c_cc[LINUX_VMIN] = bios->c_cc[VMIN]; lios->c_cc[LINUX_VTIME] = bios->c_cc[VTIME]; lios->c_cc[LINUX_VEOL2] = bios->c_cc[VEOL2]; lios->c_cc[LINUX_VSUSP] = bios->c_cc[VSUSP]; lios->c_cc[LINUX_VSTART] = bios->c_cc[VSTART]; lios->c_cc[LINUX_VSTOP] = bios->c_cc[VSTOP]; lios->c_cc[LINUX_VREPRINT] = bios->c_cc[VREPRINT]; lios->c_cc[LINUX_VDISCARD] = bios->c_cc[VDISCARD]; lios->c_cc[LINUX_VWERASE] = bios->c_cc[VWERASE]; lios->c_cc[LINUX_VLNEXT] = bios->c_cc[VLNEXT]; for (i=0; ic_cc[i] == _POSIX_VDISABLE) lios->c_cc[i] = LINUX_POSIX_VDISABLE; } lios->c_line = 0; #ifdef DEBUG if (ldebug(ioctl)) { printf("LINUX: LINUX termios structure (output):\n"); printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", lios->c_iflag, lios->c_oflag, lios->c_cflag, lios->c_lflag, (int)lios->c_line); printf("c_cc "); for (i=0; ic_cc[i]); printf("\n"); } #endif } static void linux_to_bsd_termios(struct linux_termios *lios, struct termios *bios) { int i; #ifdef DEBUG if (ldebug(ioctl)) { printf("LINUX: LINUX termios structure (input):\n"); printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", lios->c_iflag, lios->c_oflag, lios->c_cflag, lios->c_lflag, (int)lios->c_line); printf("c_cc "); for (i=0; ic_cc[i]); printf("\n"); } #endif bios->c_iflag = 0; if (lios->c_iflag & LINUX_IGNBRK) bios->c_iflag |= IGNBRK; if (lios->c_iflag & LINUX_BRKINT) bios->c_iflag |= BRKINT; if (lios->c_iflag & LINUX_IGNPAR) bios->c_iflag |= IGNPAR; if (lios->c_iflag & LINUX_PARMRK) bios->c_iflag |= PARMRK; if (lios->c_iflag & LINUX_INPCK) bios->c_iflag |= INPCK; if (lios->c_iflag & LINUX_ISTRIP) bios->c_iflag |= ISTRIP; if (lios->c_iflag & LINUX_INLCR) bios->c_iflag |= INLCR; if (lios->c_iflag & LINUX_IGNCR) bios->c_iflag |= IGNCR; if (lios->c_iflag & LINUX_ICRNL) bios->c_iflag |= ICRNL; if (lios->c_iflag & LINUX_IXON) bios->c_iflag |= IXON; if (lios->c_iflag & LINUX_IXANY) bios->c_iflag |= IXANY; if (lios->c_iflag & LINUX_IXOFF) bios->c_iflag |= IXOFF; if (lios->c_iflag & LINUX_IMAXBEL) bios->c_iflag |= IMAXBEL; bios->c_oflag = 0; if (lios->c_oflag & LINUX_OPOST) bios->c_oflag |= OPOST; if (lios->c_oflag & LINUX_ONLCR) bios->c_oflag |= ONLCR; if (lios->c_oflag & LINUX_XTABS) bios->c_oflag |= TAB3; bios->c_cflag = (lios->c_cflag & LINUX_CSIZE) << 4; if (lios->c_cflag & LINUX_CSTOPB) bios->c_cflag |= CSTOPB; if (lios->c_cflag & LINUX_CREAD) bios->c_cflag |= CREAD; if (lios->c_cflag & LINUX_PARENB) bios->c_cflag |= PARENB; if (lios->c_cflag & LINUX_PARODD) bios->c_cflag |= PARODD; if (lios->c_cflag & LINUX_HUPCL) bios->c_cflag |= HUPCL; if (lios->c_cflag & LINUX_CLOCAL) bios->c_cflag |= CLOCAL; if (lios->c_cflag & LINUX_CRTSCTS) bios->c_cflag |= CRTSCTS; bios->c_lflag = 0; if (lios->c_lflag & LINUX_ISIG) bios->c_lflag |= ISIG; if (lios->c_lflag & LINUX_ICANON) bios->c_lflag |= ICANON; if (lios->c_lflag & LINUX_ECHO) bios->c_lflag |= ECHO; if (lios->c_lflag & LINUX_ECHOE) bios->c_lflag |= ECHOE; if (lios->c_lflag & LINUX_ECHOK) bios->c_lflag |= ECHOK; if (lios->c_lflag & LINUX_ECHONL) bios->c_lflag |= ECHONL; if (lios->c_lflag & LINUX_NOFLSH) bios->c_lflag |= NOFLSH; if (lios->c_lflag & LINUX_TOSTOP) bios->c_lflag |= TOSTOP; if (lios->c_lflag & LINUX_ECHOCTL) bios->c_lflag |= ECHOCTL; if (lios->c_lflag & LINUX_ECHOPRT) bios->c_lflag |= ECHOPRT; if (lios->c_lflag & LINUX_ECHOKE) bios->c_lflag |= ECHOKE; if (lios->c_lflag & LINUX_FLUSHO) bios->c_lflag |= FLUSHO; if (lios->c_lflag & LINUX_PENDIN) bios->c_lflag |= PENDIN; if (lios->c_lflag & LINUX_IEXTEN) bios->c_lflag |= IEXTEN; for (i=0; ic_cc[i] = _POSIX_VDISABLE; bios->c_cc[VINTR] = lios->c_cc[LINUX_VINTR]; bios->c_cc[VQUIT] = lios->c_cc[LINUX_VQUIT]; bios->c_cc[VERASE] = lios->c_cc[LINUX_VERASE]; bios->c_cc[VKILL] = lios->c_cc[LINUX_VKILL]; bios->c_cc[VEOF] = lios->c_cc[LINUX_VEOF]; bios->c_cc[VEOL] = lios->c_cc[LINUX_VEOL]; bios->c_cc[VMIN] = lios->c_cc[LINUX_VMIN]; bios->c_cc[VTIME] = lios->c_cc[LINUX_VTIME]; bios->c_cc[VEOL2] = lios->c_cc[LINUX_VEOL2]; bios->c_cc[VSUSP] = lios->c_cc[LINUX_VSUSP]; bios->c_cc[VSTART] = lios->c_cc[LINUX_VSTART]; bios->c_cc[VSTOP] = lios->c_cc[LINUX_VSTOP]; bios->c_cc[VREPRINT] = lios->c_cc[LINUX_VREPRINT]; bios->c_cc[VDISCARD] = lios->c_cc[LINUX_VDISCARD]; bios->c_cc[VWERASE] = lios->c_cc[LINUX_VWERASE]; bios->c_cc[VLNEXT] = lios->c_cc[LINUX_VLNEXT]; for (i=0; ic_cc[i] == LINUX_POSIX_VDISABLE) bios->c_cc[i] = _POSIX_VDISABLE; } bios->c_ispeed = bios->c_ospeed = linux_to_bsd_speed(lios->c_cflag & LINUX_CBAUD, sptab); #ifdef DEBUG if (ldebug(ioctl)) { printf("LINUX: BSD termios structure (output):\n"); printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", bios->c_iflag, bios->c_oflag, bios->c_cflag, bios->c_lflag, bios->c_ispeed, bios->c_ospeed); printf("c_cc "); for (i=0; ic_cc[i]); printf("\n"); } #endif } static void bsd_to_linux_termio(struct termios *bios, struct linux_termio *lio) { struct linux_termios lios; bsd_to_linux_termios(bios, &lios); lio->c_iflag = lios.c_iflag; lio->c_oflag = lios.c_oflag; lio->c_cflag = lios.c_cflag; lio->c_lflag = lios.c_lflag; lio->c_line = lios.c_line; memcpy(lio->c_cc, lios.c_cc, LINUX_NCC); } static void linux_to_bsd_termio(struct linux_termio *lio, struct termios *bios) { struct linux_termios lios; int i; lios.c_iflag = lio->c_iflag; lios.c_oflag = lio->c_oflag; lios.c_cflag = lio->c_cflag; lios.c_lflag = lio->c_lflag; for (i=LINUX_NCC; ic_cc, LINUX_NCC); linux_to_bsd_termios(&lios, bios); } static int linux_ioctl_termio(struct thread *td, struct linux_ioctl_args *args) { struct termios bios; struct linux_termios lios; struct linux_termio lio; cap_rights_t rights; struct file *fp; int error; error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); switch (args->cmd & 0xffff) { case LINUX_TCGETS: error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, td); if (error) break; bsd_to_linux_termios(&bios, &lios); error = copyout(&lios, (void *)args->arg, sizeof(lios)); break; case LINUX_TCSETS: error = copyin((void *)args->arg, &lios, sizeof(lios)); if (error) break; linux_to_bsd_termios(&lios, &bios); error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, td)); break; case LINUX_TCSETSW: error = copyin((void *)args->arg, &lios, sizeof(lios)); if (error) break; linux_to_bsd_termios(&lios, &bios); error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, td)); break; case LINUX_TCSETSF: error = copyin((void *)args->arg, &lios, sizeof(lios)); if (error) break; linux_to_bsd_termios(&lios, &bios); error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, td)); break; case LINUX_TCGETA: error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, td); if (error) break; bsd_to_linux_termio(&bios, &lio); error = (copyout(&lio, (void *)args->arg, sizeof(lio))); break; case LINUX_TCSETA: error = copyin((void *)args->arg, &lio, sizeof(lio)); if (error) break; linux_to_bsd_termio(&lio, &bios); error = (fo_ioctl(fp, TIOCSETA, (caddr_t)&bios, td->td_ucred, td)); break; case LINUX_TCSETAW: error = copyin((void *)args->arg, &lio, sizeof(lio)); if (error) break; linux_to_bsd_termio(&lio, &bios); error = (fo_ioctl(fp, TIOCSETAW, (caddr_t)&bios, td->td_ucred, td)); break; case LINUX_TCSETAF: error = copyin((void *)args->arg, &lio, sizeof(lio)); if (error) break; linux_to_bsd_termio(&lio, &bios); error = (fo_ioctl(fp, TIOCSETAF, (caddr_t)&bios, td->td_ucred, td)); break; /* LINUX_TCSBRK */ case LINUX_TCXONC: { switch (args->arg) { case LINUX_TCOOFF: args->cmd = TIOCSTOP; break; case LINUX_TCOON: args->cmd = TIOCSTART; break; case LINUX_TCIOFF: case LINUX_TCION: { int c; struct write_args wr; error = fo_ioctl(fp, TIOCGETA, (caddr_t)&bios, td->td_ucred, td); if (error) break; fdrop(fp, td); c = (args->arg == LINUX_TCIOFF) ? VSTOP : VSTART; c = bios.c_cc[c]; if (c != _POSIX_VDISABLE) { wr.fd = args->fd; wr.buf = &c; wr.nbyte = sizeof(c); return (sys_write(td, &wr)); } else return (0); } default: fdrop(fp, td); return (EINVAL); } args->arg = 0; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; } case LINUX_TCFLSH: { int val; switch (args->arg) { case LINUX_TCIFLUSH: val = FREAD; break; case LINUX_TCOFLUSH: val = FWRITE; break; case LINUX_TCIOFLUSH: val = FREAD | FWRITE; break; default: fdrop(fp, td); return (EINVAL); } error = (fo_ioctl(fp,TIOCFLUSH,(caddr_t)&val,td->td_ucred,td)); break; } case LINUX_TIOCEXCL: args->cmd = TIOCEXCL; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCNXCL: args->cmd = TIOCNXCL; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCSCTTY: args->cmd = TIOCSCTTY; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCGPGRP: args->cmd = TIOCGPGRP; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCSPGRP: args->cmd = TIOCSPGRP; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; /* LINUX_TIOCOUTQ */ /* LINUX_TIOCSTI */ case LINUX_TIOCGWINSZ: args->cmd = TIOCGWINSZ; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCSWINSZ: args->cmd = TIOCSWINSZ; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCMGET: args->cmd = TIOCMGET; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCMBIS: args->cmd = TIOCMBIS; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCMBIC: args->cmd = TIOCMBIC; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCMSET: args->cmd = TIOCMSET; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; /* TIOCGSOFTCAR */ /* TIOCSSOFTCAR */ case LINUX_FIONREAD: /* LINUX_TIOCINQ */ args->cmd = FIONREAD; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; /* LINUX_TIOCLINUX */ case LINUX_TIOCCONS: args->cmd = TIOCCONS; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCGSERIAL: { struct linux_serial_struct lss; bzero(&lss, sizeof(lss)); lss.type = LINUX_PORT_16550A; lss.flags = 0; lss.close_delay = 0; error = copyout(&lss, (void *)args->arg, sizeof(lss)); break; } case LINUX_TIOCSSERIAL: { struct linux_serial_struct lss; error = copyin((void *)args->arg, &lss, sizeof(lss)); if (error) break; /* XXX - It really helps to have an implementation that * does nothing. NOT! */ error = 0; break; } case LINUX_TIOCPKT: args->cmd = TIOCPKT; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_FIONBIO: args->cmd = FIONBIO; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCNOTTY: args->cmd = TIOCNOTTY; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCSETD: { int line; switch (args->arg) { case LINUX_N_TTY: line = TTYDISC; break; case LINUX_N_SLIP: line = SLIPDISC; break; case LINUX_N_PPP: line = PPPDISC; break; default: fdrop(fp, td); return (EINVAL); } error = (fo_ioctl(fp, TIOCSETD, (caddr_t)&line, td->td_ucred, td)); break; } case LINUX_TIOCGETD: { int linux_line; int bsd_line = TTYDISC; error = fo_ioctl(fp, TIOCGETD, (caddr_t)&bsd_line, td->td_ucred, td); if (error) break; switch (bsd_line) { case TTYDISC: linux_line = LINUX_N_TTY; break; case SLIPDISC: linux_line = LINUX_N_SLIP; break; case PPPDISC: linux_line = LINUX_N_PPP; break; default: fdrop(fp, td); return (EINVAL); } error = (copyout(&linux_line, (void *)args->arg, sizeof(int))); break; } /* LINUX_TCSBRKP */ /* LINUX_TIOCTTYGSTRUCT */ case LINUX_FIONCLEX: args->cmd = FIONCLEX; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_FIOCLEX: args->cmd = FIOCLEX; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_FIOASYNC: args->cmd = FIOASYNC; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; /* LINUX_TIOCSERCONFIG */ /* LINUX_TIOCSERGWILD */ /* LINUX_TIOCSERSWILD */ /* LINUX_TIOCGLCKTRMIOS */ /* LINUX_TIOCSLCKTRMIOS */ case LINUX_TIOCSBRK: args->cmd = TIOCSBRK; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCCBRK: args->cmd = TIOCCBRK; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_TIOCGPTN: { int nb; - + error = fo_ioctl(fp, TIOCGPTN, (caddr_t)&nb, td->td_ucred, td); if (!error) error = copyout(&nb, (void *)args->arg, sizeof(int)); break; } case LINUX_TIOCSPTLCK: /* Our unlockpt() does nothing. */ error = 0; break; default: error = ENOIOCTL; break; } fdrop(fp, td); return (error); } /* * CDROM related ioctls */ struct linux_cdrom_msf { u_char cdmsf_min0; u_char cdmsf_sec0; u_char cdmsf_frame0; u_char cdmsf_min1; u_char cdmsf_sec1; u_char cdmsf_frame1; }; struct linux_cdrom_tochdr { u_char cdth_trk0; u_char cdth_trk1; }; union linux_cdrom_addr { struct { u_char minute; u_char second; u_char frame; } msf; int lba; }; struct linux_cdrom_tocentry { u_char cdte_track; u_char cdte_adr:4; u_char cdte_ctrl:4; u_char cdte_format; union linux_cdrom_addr cdte_addr; u_char cdte_datamode; }; struct linux_cdrom_subchnl { u_char cdsc_format; u_char cdsc_audiostatus; u_char cdsc_adr:4; u_char cdsc_ctrl:4; u_char cdsc_trk; u_char cdsc_ind; union linux_cdrom_addr cdsc_absaddr; union linux_cdrom_addr cdsc_reladdr; }; struct l_cdrom_read_audio { union linux_cdrom_addr addr; u_char addr_format; l_int nframes; u_char *buf; }; struct l_dvd_layer { u_char book_version:4; u_char book_type:4; u_char min_rate:4; u_char disc_size:4; u_char layer_type:4; u_char track_path:1; u_char nlayers:2; u_char track_density:4; u_char linear_density:4; u_char bca:1; u_int32_t start_sector; u_int32_t end_sector; u_int32_t end_sector_l0; }; struct l_dvd_physical { u_char type; u_char layer_num; struct l_dvd_layer layer[4]; }; struct l_dvd_copyright { u_char type; u_char layer_num; u_char cpst; u_char rmi; }; struct l_dvd_disckey { u_char type; l_uint agid:2; u_char value[2048]; }; struct l_dvd_bca { u_char type; l_int len; u_char value[188]; }; struct l_dvd_manufact { u_char type; u_char layer_num; l_int len; u_char value[2048]; }; typedef union { u_char type; struct l_dvd_physical physical; struct l_dvd_copyright copyright; struct l_dvd_disckey disckey; struct l_dvd_bca bca; struct l_dvd_manufact manufact; } l_dvd_struct; typedef u_char l_dvd_key[5]; typedef u_char l_dvd_challenge[10]; struct l_dvd_lu_send_agid { u_char type; l_uint agid:2; }; struct l_dvd_host_send_challenge { u_char type; l_uint agid:2; l_dvd_challenge chal; }; struct l_dvd_send_key { u_char type; l_uint agid:2; l_dvd_key key; }; struct l_dvd_lu_send_challenge { u_char type; l_uint agid:2; l_dvd_challenge chal; }; struct l_dvd_lu_send_title_key { u_char type; l_uint agid:2; l_dvd_key title_key; l_int lba; l_uint cpm:1; l_uint cp_sec:1; l_uint cgms:2; }; struct l_dvd_lu_send_asf { u_char type; l_uint agid:2; l_uint asf:1; }; struct l_dvd_host_send_rpcstate { u_char type; u_char pdrc; }; struct l_dvd_lu_send_rpcstate { u_char type:2; u_char vra:3; u_char ucca:3; u_char region_mask; u_char rpc_scheme; }; typedef union { u_char type; struct l_dvd_lu_send_agid lsa; struct l_dvd_host_send_challenge hsc; struct l_dvd_send_key lsk; struct l_dvd_lu_send_challenge lsc; struct l_dvd_send_key hsk; struct l_dvd_lu_send_title_key lstk; struct l_dvd_lu_send_asf lsasf; struct l_dvd_host_send_rpcstate hrpcs; struct l_dvd_lu_send_rpcstate lrpcs; } l_dvd_authinfo; static void bsd_to_linux_msf_lba(u_char af, union msf_lba *bp, union linux_cdrom_addr *lp) { if (af == CD_LBA_FORMAT) lp->lba = bp->lba; else { lp->msf.minute = bp->msf.minute; lp->msf.second = bp->msf.second; lp->msf.frame = bp->msf.frame; } } static void set_linux_cdrom_addr(union linux_cdrom_addr *addr, int format, int lba) { if (format == LINUX_CDROM_MSF) { addr->msf.frame = lba % 75; lba /= 75; lba += 2; addr->msf.second = lba % 60; addr->msf.minute = lba / 60; } else addr->lba = lba; } static int linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp) { bp->format = lp->type; switch (bp->format) { case DVD_STRUCT_PHYSICAL: if (bp->layer_num >= 4) return (EINVAL); bp->layer_num = lp->physical.layer_num; break; case DVD_STRUCT_COPYRIGHT: bp->layer_num = lp->copyright.layer_num; break; case DVD_STRUCT_DISCKEY: bp->agid = lp->disckey.agid; break; case DVD_STRUCT_BCA: case DVD_STRUCT_MANUFACT: break; default: return (EINVAL); } return (0); } static int bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp) { switch (bp->format) { case DVD_STRUCT_PHYSICAL: { struct dvd_layer *blp = (struct dvd_layer *)bp->data; struct l_dvd_layer *llp = &lp->physical.layer[bp->layer_num]; memset(llp, 0, sizeof(*llp)); llp->book_version = blp->book_version; llp->book_type = blp->book_type; llp->min_rate = blp->max_rate; llp->disc_size = blp->disc_size; llp->layer_type = blp->layer_type; llp->track_path = blp->track_path; llp->nlayers = blp->nlayers; llp->track_density = blp->track_density; llp->linear_density = blp->linear_density; llp->bca = blp->bca; llp->start_sector = blp->start_sector; llp->end_sector = blp->end_sector; llp->end_sector_l0 = blp->end_sector_l0; break; } case DVD_STRUCT_COPYRIGHT: lp->copyright.cpst = bp->cpst; lp->copyright.rmi = bp->rmi; break; case DVD_STRUCT_DISCKEY: memcpy(lp->disckey.value, bp->data, sizeof(lp->disckey.value)); break; case DVD_STRUCT_BCA: lp->bca.len = bp->length; memcpy(lp->bca.value, bp->data, sizeof(lp->bca.value)); break; case DVD_STRUCT_MANUFACT: lp->manufact.len = bp->length; memcpy(lp->manufact.value, bp->data, sizeof(lp->manufact.value)); /* lp->manufact.layer_num is unused in linux (redhat 7.0) */ break; default: return (EINVAL); } return (0); } static int linux_to_bsd_dvd_authinfo(l_dvd_authinfo *lp, int *bcode, struct dvd_authinfo *bp) { switch (lp->type) { case LINUX_DVD_LU_SEND_AGID: *bcode = DVDIOCREPORTKEY; bp->format = DVD_REPORT_AGID; bp->agid = lp->lsa.agid; break; case LINUX_DVD_HOST_SEND_CHALLENGE: *bcode = DVDIOCSENDKEY; bp->format = DVD_SEND_CHALLENGE; bp->agid = lp->hsc.agid; memcpy(bp->keychal, lp->hsc.chal, 10); break; case LINUX_DVD_LU_SEND_KEY1: *bcode = DVDIOCREPORTKEY; bp->format = DVD_REPORT_KEY1; bp->agid = lp->lsk.agid; break; case LINUX_DVD_LU_SEND_CHALLENGE: *bcode = DVDIOCREPORTKEY; bp->format = DVD_REPORT_CHALLENGE; bp->agid = lp->lsc.agid; break; case LINUX_DVD_HOST_SEND_KEY2: *bcode = DVDIOCSENDKEY; bp->format = DVD_SEND_KEY2; bp->agid = lp->hsk.agid; memcpy(bp->keychal, lp->hsk.key, 5); break; case LINUX_DVD_LU_SEND_TITLE_KEY: *bcode = DVDIOCREPORTKEY; bp->format = DVD_REPORT_TITLE_KEY; bp->agid = lp->lstk.agid; bp->lba = lp->lstk.lba; break; case LINUX_DVD_LU_SEND_ASF: *bcode = DVDIOCREPORTKEY; bp->format = DVD_REPORT_ASF; bp->agid = lp->lsasf.agid; break; case LINUX_DVD_INVALIDATE_AGID: *bcode = DVDIOCREPORTKEY; bp->format = DVD_INVALIDATE_AGID; bp->agid = lp->lsa.agid; break; case LINUX_DVD_LU_SEND_RPC_STATE: *bcode = DVDIOCREPORTKEY; bp->format = DVD_REPORT_RPC; break; case LINUX_DVD_HOST_SEND_RPC_STATE: *bcode = DVDIOCSENDKEY; bp->format = DVD_SEND_RPC; bp->region = lp->hrpcs.pdrc; break; default: return (EINVAL); } return (0); } static int bsd_to_linux_dvd_authinfo(struct dvd_authinfo *bp, l_dvd_authinfo *lp) { switch (lp->type) { case LINUX_DVD_LU_SEND_AGID: lp->lsa.agid = bp->agid; break; case LINUX_DVD_HOST_SEND_CHALLENGE: lp->type = LINUX_DVD_LU_SEND_KEY1; break; case LINUX_DVD_LU_SEND_KEY1: memcpy(lp->lsk.key, bp->keychal, sizeof(lp->lsk.key)); break; case LINUX_DVD_LU_SEND_CHALLENGE: memcpy(lp->lsc.chal, bp->keychal, sizeof(lp->lsc.chal)); break; case LINUX_DVD_HOST_SEND_KEY2: lp->type = LINUX_DVD_AUTH_ESTABLISHED; break; case LINUX_DVD_LU_SEND_TITLE_KEY: memcpy(lp->lstk.title_key, bp->keychal, sizeof(lp->lstk.title_key)); lp->lstk.cpm = bp->cpm; lp->lstk.cp_sec = bp->cp_sec; lp->lstk.cgms = bp->cgms; break; case LINUX_DVD_LU_SEND_ASF: lp->lsasf.asf = bp->asf; break; case LINUX_DVD_INVALIDATE_AGID: break; case LINUX_DVD_LU_SEND_RPC_STATE: lp->lrpcs.type = bp->reg_type; lp->lrpcs.vra = bp->vend_rsts; lp->lrpcs.ucca = bp->user_rsts; lp->lrpcs.region_mask = bp->region; lp->lrpcs.rpc_scheme = bp->rpc_scheme; break; case LINUX_DVD_HOST_SEND_RPC_STATE: break; default: return (EINVAL); } return (0); } static int linux_ioctl_cdrom(struct thread *td, struct linux_ioctl_args *args) { cap_rights_t rights; struct file *fp; int error; error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); switch (args->cmd & 0xffff) { case LINUX_CDROMPAUSE: args->cmd = CDIOCPAUSE; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_CDROMRESUME: args->cmd = CDIOCRESUME; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_CDROMPLAYMSF: args->cmd = CDIOCPLAYMSF; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_CDROMPLAYTRKIND: args->cmd = CDIOCPLAYTRACKS; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_CDROMREADTOCHDR: { struct ioc_toc_header th; struct linux_cdrom_tochdr lth; error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&th, td->td_ucred, td); if (!error) { lth.cdth_trk0 = th.starting_track; lth.cdth_trk1 = th.ending_track; copyout(<h, (void *)args->arg, sizeof(lth)); } break; } case LINUX_CDROMREADTOCENTRY: { struct linux_cdrom_tocentry lte; struct ioc_read_toc_single_entry irtse; error = copyin((void *)args->arg, <e, sizeof(lte)); if (error) break; irtse.address_format = lte.cdte_format; irtse.track = lte.cdte_track; error = fo_ioctl(fp, CDIOREADTOCENTRY, (caddr_t)&irtse, td->td_ucred, td); if (!error) { lte.cdte_ctrl = irtse.entry.control; lte.cdte_adr = irtse.entry.addr_type; bsd_to_linux_msf_lba(irtse.address_format, &irtse.entry.addr, <e.cdte_addr); error = copyout(<e, (void *)args->arg, sizeof(lte)); } break; } case LINUX_CDROMSTOP: args->cmd = CDIOCSTOP; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_CDROMSTART: args->cmd = CDIOCSTART; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_CDROMEJECT: args->cmd = CDIOCEJECT; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; /* LINUX_CDROMVOLCTRL */ case LINUX_CDROMSUBCHNL: { struct linux_cdrom_subchnl sc; struct ioc_read_subchannel bsdsc; struct cd_sub_channel_info bsdinfo; bsdsc.address_format = CD_LBA_FORMAT; bsdsc.data_format = CD_CURRENT_POSITION; bsdsc.track = 0; bsdsc.data_len = sizeof(bsdinfo); bsdsc.data = &bsdinfo; error = fo_ioctl(fp, CDIOCREADSUBCHANNEL_SYSSPACE, (caddr_t)&bsdsc, td->td_ucred, td); if (error) break; error = copyin((void *)args->arg, &sc, sizeof(sc)); if (error) break; sc.cdsc_audiostatus = bsdinfo.header.audio_status; sc.cdsc_adr = bsdinfo.what.position.addr_type; sc.cdsc_ctrl = bsdinfo.what.position.control; sc.cdsc_trk = bsdinfo.what.position.track_number; sc.cdsc_ind = bsdinfo.what.position.index_number; set_linux_cdrom_addr(&sc.cdsc_absaddr, sc.cdsc_format, bsdinfo.what.position.absaddr.lba); set_linux_cdrom_addr(&sc.cdsc_reladdr, sc.cdsc_format, bsdinfo.what.position.reladdr.lba); error = copyout(&sc, (void *)args->arg, sizeof(sc)); break; } /* LINUX_CDROMREADMODE2 */ /* LINUX_CDROMREADMODE1 */ /* LINUX_CDROMREADAUDIO */ /* LINUX_CDROMEJECT_SW */ /* LINUX_CDROMMULTISESSION */ /* LINUX_CDROM_GET_UPC */ case LINUX_CDROMRESET: args->cmd = CDIOCRESET; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; /* LINUX_CDROMVOLREAD */ /* LINUX_CDROMREADRAW */ /* LINUX_CDROMREADCOOKED */ /* LINUX_CDROMSEEK */ /* LINUX_CDROMPLAYBLK */ /* LINUX_CDROMREADALL */ /* LINUX_CDROMCLOSETRAY */ /* LINUX_CDROMLOADFROMSLOT */ /* LINUX_CDROMGETSPINDOWN */ /* LINUX_CDROMSETSPINDOWN */ /* LINUX_CDROM_SET_OPTIONS */ /* LINUX_CDROM_CLEAR_OPTIONS */ /* LINUX_CDROM_SELECT_SPEED */ /* LINUX_CDROM_SELECT_DISC */ /* LINUX_CDROM_MEDIA_CHANGED */ /* LINUX_CDROM_DRIVE_STATUS */ /* LINUX_CDROM_DISC_STATUS */ /* LINUX_CDROM_CHANGER_NSLOTS */ /* LINUX_CDROM_LOCKDOOR */ /* LINUX_CDROM_DEBUG */ /* LINUX_CDROM_GET_CAPABILITY */ /* LINUX_CDROMAUDIOBUFSIZ */ case LINUX_DVD_READ_STRUCT: { l_dvd_struct *lds; struct dvd_struct *bds; lds = malloc(sizeof(*lds), M_LINUX, M_WAITOK); bds = malloc(sizeof(*bds), M_LINUX, M_WAITOK); error = copyin((void *)args->arg, lds, sizeof(*lds)); if (error) goto out; error = linux_to_bsd_dvd_struct(lds, bds); if (error) goto out; error = fo_ioctl(fp, DVDIOCREADSTRUCTURE, (caddr_t)bds, td->td_ucred, td); if (error) goto out; error = bsd_to_linux_dvd_struct(bds, lds); if (error) goto out; error = copyout(lds, (void *)args->arg, sizeof(*lds)); out: free(bds, M_LINUX); free(lds, M_LINUX); break; } /* LINUX_DVD_WRITE_STRUCT */ case LINUX_DVD_AUTH: { l_dvd_authinfo lda; struct dvd_authinfo bda; int bcode; error = copyin((void *)args->arg, &lda, sizeof(lda)); if (error) break; error = linux_to_bsd_dvd_authinfo(&lda, &bcode, &bda); if (error) break; error = fo_ioctl(fp, bcode, (caddr_t)&bda, td->td_ucred, td); if (error) { if (lda.type == LINUX_DVD_HOST_SEND_KEY2) { lda.type = LINUX_DVD_AUTH_FAILURE; copyout(&lda, (void *)args->arg, sizeof(lda)); } break; } error = bsd_to_linux_dvd_authinfo(&bda, &lda); if (error) break; error = copyout(&lda, (void *)args->arg, sizeof(lda)); break; } case LINUX_SCSI_GET_BUS_NUMBER: { struct sg_scsi_id id; error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, td->td_ucred, td); if (error) break; error = copyout(&id.channel, (void *)args->arg, sizeof(int)); break; } case LINUX_SCSI_GET_IDLUN: { struct sg_scsi_id id; struct scsi_idlun idl; error = fo_ioctl(fp, SG_GET_SCSI_ID, (caddr_t)&id, td->td_ucred, td); if (error) break; idl.dev_id = (id.scsi_id & 0xff) + ((id.lun & 0xff) << 8) + ((id.channel & 0xff) << 16) + ((id.host_no & 0xff) << 24); idl.host_unique_id = id.host_no; error = copyout(&idl, (void *)args->arg, sizeof(idl)); break; } /* LINUX_CDROM_SEND_PACKET */ /* LINUX_CDROM_NEXT_WRITABLE */ /* LINUX_CDROM_LAST_WRITTEN */ default: error = ENOIOCTL; break; } fdrop(fp, td); return (error); } static int linux_ioctl_vfat(struct thread *td, struct linux_ioctl_args *args) { return (ENOTTY); } /* * Sound related ioctls */ struct linux_old_mixer_info { char id[16]; char name[32]; }; static u_int32_t dirbits[4] = { IOC_VOID, IOC_IN, IOC_OUT, IOC_INOUT }; #define SETDIR(c) (((c) & ~IOC_DIRMASK) | dirbits[args->cmd >> 30]) static int linux_ioctl_sound(struct thread *td, struct linux_ioctl_args *args) { switch (args->cmd & 0xffff) { case LINUX_SOUND_MIXER_WRITE_VOLUME: args->cmd = SETDIR(SOUND_MIXER_WRITE_VOLUME); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_BASS: args->cmd = SETDIR(SOUND_MIXER_WRITE_BASS); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_TREBLE: args->cmd = SETDIR(SOUND_MIXER_WRITE_TREBLE); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_SYNTH: args->cmd = SETDIR(SOUND_MIXER_WRITE_SYNTH); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_PCM: args->cmd = SETDIR(SOUND_MIXER_WRITE_PCM); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_SPEAKER: args->cmd = SETDIR(SOUND_MIXER_WRITE_SPEAKER); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_LINE: args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_MIC: args->cmd = SETDIR(SOUND_MIXER_WRITE_MIC); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_CD: args->cmd = SETDIR(SOUND_MIXER_WRITE_CD); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_IMIX: args->cmd = SETDIR(SOUND_MIXER_WRITE_IMIX); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_ALTPCM: args->cmd = SETDIR(SOUND_MIXER_WRITE_ALTPCM); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_RECLEV: args->cmd = SETDIR(SOUND_MIXER_WRITE_RECLEV); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_IGAIN: args->cmd = SETDIR(SOUND_MIXER_WRITE_IGAIN); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_OGAIN: args->cmd = SETDIR(SOUND_MIXER_WRITE_OGAIN); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_LINE1: args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE1); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_LINE2: args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE2); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_LINE3: args->cmd = SETDIR(SOUND_MIXER_WRITE_LINE3); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_INFO: { /* Key on encoded length */ switch ((args->cmd >> 16) & 0x1fff) { case 0x005c: { /* SOUND_MIXER_INFO */ args->cmd = SOUND_MIXER_INFO; return (sys_ioctl(td, (struct ioctl_args *)args)); } case 0x0030: { /* SOUND_OLD_MIXER_INFO */ struct linux_old_mixer_info info; bzero(&info, sizeof(info)); strncpy(info.id, "OSS", sizeof(info.id) - 1); strncpy(info.name, "FreeBSD OSS Mixer", sizeof(info.name) - 1); copyout(&info, (void *)args->arg, sizeof(info)); return (0); } default: return (ENOIOCTL); } break; } case LINUX_OSS_GETVERSION: { int version = linux_get_oss_version(td); return (copyout(&version, (void *)args->arg, sizeof(int))); } case LINUX_SOUND_MIXER_READ_STEREODEVS: args->cmd = SOUND_MIXER_READ_STEREODEVS; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_READ_CAPS: args->cmd = SOUND_MIXER_READ_CAPS; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_READ_RECMASK: args->cmd = SOUND_MIXER_READ_RECMASK; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_READ_DEVMASK: args->cmd = SOUND_MIXER_READ_DEVMASK; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_MIXER_WRITE_RECSRC: args->cmd = SETDIR(SOUND_MIXER_WRITE_RECSRC); return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_RESET: args->cmd = SNDCTL_DSP_RESET; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_SYNC: args->cmd = SNDCTL_DSP_SYNC; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_SPEED: args->cmd = SNDCTL_DSP_SPEED; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_STEREO: args->cmd = SNDCTL_DSP_STEREO; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_GETBLKSIZE: /* LINUX_SNDCTL_DSP_SETBLKSIZE */ args->cmd = SNDCTL_DSP_GETBLKSIZE; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_SETFMT: args->cmd = SNDCTL_DSP_SETFMT; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_PCM_WRITE_CHANNELS: args->cmd = SOUND_PCM_WRITE_CHANNELS; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SOUND_PCM_WRITE_FILTER: args->cmd = SOUND_PCM_WRITE_FILTER; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_POST: args->cmd = SNDCTL_DSP_POST; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_SUBDIVIDE: args->cmd = SNDCTL_DSP_SUBDIVIDE; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_SETFRAGMENT: args->cmd = SNDCTL_DSP_SETFRAGMENT; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_GETFMTS: args->cmd = SNDCTL_DSP_GETFMTS; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_GETOSPACE: args->cmd = SNDCTL_DSP_GETOSPACE; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_GETISPACE: args->cmd = SNDCTL_DSP_GETISPACE; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_NONBLOCK: args->cmd = SNDCTL_DSP_NONBLOCK; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_GETCAPS: args->cmd = SNDCTL_DSP_GETCAPS; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_SETTRIGGER: /* LINUX_SNDCTL_GETTRIGGER */ args->cmd = SNDCTL_DSP_SETTRIGGER; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_GETIPTR: args->cmd = SNDCTL_DSP_GETIPTR; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_GETOPTR: args->cmd = SNDCTL_DSP_GETOPTR; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_SETDUPLEX: args->cmd = SNDCTL_DSP_SETDUPLEX; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_DSP_GETODELAY: args->cmd = SNDCTL_DSP_GETODELAY; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_SEQ_RESET: args->cmd = SNDCTL_SEQ_RESET; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_SEQ_SYNC: args->cmd = SNDCTL_SEQ_SYNC; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_SYNTH_INFO: args->cmd = SNDCTL_SYNTH_INFO; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_SEQ_CTRLRATE: args->cmd = SNDCTL_SEQ_CTRLRATE; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_SEQ_GETOUTCOUNT: args->cmd = SNDCTL_SEQ_GETOUTCOUNT; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_SEQ_GETINCOUNT: args->cmd = SNDCTL_SEQ_GETINCOUNT; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_SEQ_PERCMODE: args->cmd = SNDCTL_SEQ_PERCMODE; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_FM_LOAD_INSTR: args->cmd = SNDCTL_FM_LOAD_INSTR; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_SEQ_TESTMIDI: args->cmd = SNDCTL_SEQ_TESTMIDI; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_SEQ_RESETSAMPLES: args->cmd = SNDCTL_SEQ_RESETSAMPLES; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_SEQ_NRSYNTHS: args->cmd = SNDCTL_SEQ_NRSYNTHS; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_SEQ_NRMIDIS: args->cmd = SNDCTL_SEQ_NRMIDIS; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_MIDI_INFO: args->cmd = SNDCTL_MIDI_INFO; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_SEQ_TRESHOLD: args->cmd = SNDCTL_SEQ_TRESHOLD; return (sys_ioctl(td, (struct ioctl_args *)args)); case LINUX_SNDCTL_SYNTH_MEMAVL: args->cmd = SNDCTL_SYNTH_MEMAVL; return (sys_ioctl(td, (struct ioctl_args *)args)); } return (ENOIOCTL); } /* * Console related ioctls */ static int linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args) { cap_rights_t rights; struct file *fp; int error; error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); switch (args->cmd & 0xffff) { case LINUX_KIOCSOUND: args->cmd = KIOCSOUND; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_KDMKTONE: args->cmd = KDMKTONE; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_KDGETLED: args->cmd = KDGETLED; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_KDSETLED: args->cmd = KDSETLED; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_KDSETMODE: args->cmd = KDSETMODE; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_KDGETMODE: args->cmd = KDGETMODE; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_KDGKBMODE: args->cmd = KDGKBMODE; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_KDSKBMODE: { int kbdmode; switch (args->arg) { case LINUX_KBD_RAW: kbdmode = K_RAW; break; case LINUX_KBD_XLATE: kbdmode = K_XLATE; break; case LINUX_KBD_MEDIUMRAW: kbdmode = K_RAW; break; default: fdrop(fp, td); return (EINVAL); } error = (fo_ioctl(fp, KDSKBMODE, (caddr_t)&kbdmode, td->td_ucred, td)); break; } case LINUX_VT_OPENQRY: args->cmd = VT_OPENQRY; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_VT_GETMODE: args->cmd = VT_GETMODE; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_VT_SETMODE: { struct vt_mode mode; if ((error = copyin((void *)args->arg, &mode, sizeof(mode)))) break; if (LINUX_SIG_VALID(mode.relsig)) mode.relsig = linux_to_bsd_signal(mode.relsig); else mode.relsig = 0; if (LINUX_SIG_VALID(mode.acqsig)) mode.acqsig = linux_to_bsd_signal(mode.acqsig); else mode.acqsig = 0; /* XXX. Linux ignores frsig and set it to 0. */ mode.frsig = 0; if ((error = copyout(&mode, (void *)args->arg, sizeof(mode)))) break; args->cmd = VT_SETMODE; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; } case LINUX_VT_GETSTATE: args->cmd = VT_GETACTIVE; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_VT_RELDISP: args->cmd = VT_RELDISP; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_VT_ACTIVATE: args->cmd = VT_ACTIVATE; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; case LINUX_VT_WAITACTIVE: args->cmd = VT_WAITACTIVE; error = (sys_ioctl(td, (struct ioctl_args *)args)); break; default: error = ENOIOCTL; break; } fdrop(fp, td); return (error); } /* * Criteria for interface name translation */ #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) /* * Translate a Linux interface name to a FreeBSD interface name, * and return the associated ifnet structure * bsdname and lxname need to be least IFNAMSIZ bytes long, but * can point to the same buffer. */ static struct ifnet * ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname) { struct ifnet *ifp; int len, unit; char *ep; int is_eth, index; for (len = 0; len < LINUX_IFNAMSIZ; ++len) if (!isalpha(lxname[len])) break; if (len == 0 || len == LINUX_IFNAMSIZ) return (NULL); unit = (int)strtoul(lxname + len, &ep, 10); if (ep == NULL || ep == lxname + len || ep >= lxname + LINUX_IFNAMSIZ) return (NULL); index = 0; is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0; CURVNET_SET(TD_TO_VNET(td)); IFNET_RLOCK(); TAILQ_FOREACH(ifp, &V_ifnet, if_link) { /* * Allow Linux programs to use FreeBSD names. Don't presume * we never have an interface named "eth", so don't make * the test optional based on is_eth. */ if (strncmp(ifp->if_xname, lxname, LINUX_IFNAMSIZ) == 0) break; if (is_eth && IFP_IS_ETH(ifp) && unit == index++) break; } IFNET_RUNLOCK(); CURVNET_RESTORE(); if (ifp != NULL) strlcpy(bsdname, ifp->if_xname, IFNAMSIZ); return (ifp); } /* * Implement the SIOCGIFNAME ioctl */ static int linux_ioctl_ifname(struct thread *td, struct l_ifreq *uifr) { struct l_ifreq ifr; struct ifnet *ifp; int error, ethno, index; error = copyin(uifr, &ifr, sizeof(ifr)); if (error != 0) return (error); CURVNET_SET(TD_TO_VNET(curthread)); IFNET_RLOCK(); index = 1; /* ifr.ifr_ifindex starts from 1 */ ethno = 0; error = ENODEV; TAILQ_FOREACH(ifp, &V_ifnet, if_link) { if (ifr.ifr_ifindex == index) { if (IFP_IS_ETH(ifp)) snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", ethno); else strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); error = 0; break; } if (IFP_IS_ETH(ifp)) ethno++; index++; } IFNET_RUNLOCK(); if (error == 0) error = copyout(&ifr, uifr, sizeof(ifr)); CURVNET_RESTORE(); return (error); } /* * Implement the SIOCGIFCONF ioctl */ static int linux_ifconf(struct thread *td, struct ifconf *uifc) { #ifdef COMPAT_LINUX32 struct l_ifconf ifc; #else struct ifconf ifc; #endif struct l_ifreq ifr; struct ifnet *ifp; struct ifaddr *ifa; struct sbuf *sb; int error, ethno, full = 0, valid_len, max_len; error = copyin(uifc, &ifc, sizeof(ifc)); if (error != 0) return (error); max_len = MAXPHYS - 1; CURVNET_SET(TD_TO_VNET(td)); /* handle the 'request buffer size' case */ if ((l_uintptr_t)ifc.ifc_buf == PTROUT(NULL)) { ifc.ifc_len = 0; IFNET_RLOCK(); TAILQ_FOREACH(ifp, &V_ifnet, if_link) { TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { struct sockaddr *sa = ifa->ifa_addr; if (sa->sa_family == AF_INET) ifc.ifc_len += sizeof(ifr); } } IFNET_RUNLOCK(); error = copyout(&ifc, uifc, sizeof(ifc)); CURVNET_RESTORE(); return (error); } if (ifc.ifc_len <= 0) { CURVNET_RESTORE(); return (EINVAL); } again: /* Keep track of eth interfaces */ ethno = 0; if (ifc.ifc_len <= max_len) { max_len = ifc.ifc_len; full = 1; } sb = sbuf_new(NULL, NULL, max_len + 1, SBUF_FIXEDLEN); max_len = 0; valid_len = 0; /* Return all AF_INET addresses of all interfaces */ IFNET_RLOCK(); TAILQ_FOREACH(ifp, &V_ifnet, if_link) { int addrs = 0; bzero(&ifr, sizeof(ifr)); if (IFP_IS_ETH(ifp)) snprintf(ifr.ifr_name, LINUX_IFNAMSIZ, "eth%d", ethno++); else strlcpy(ifr.ifr_name, ifp->if_xname, LINUX_IFNAMSIZ); /* Walk the address list */ TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { struct sockaddr *sa = ifa->ifa_addr; if (sa->sa_family == AF_INET) { ifr.ifr_addr.sa_family = LINUX_AF_INET; memcpy(ifr.ifr_addr.sa_data, sa->sa_data, sizeof(ifr.ifr_addr.sa_data)); sbuf_bcat(sb, &ifr, sizeof(ifr)); max_len += sizeof(ifr); addrs++; } if (sbuf_error(sb) == 0) valid_len = sbuf_len(sb); } if (addrs == 0) { bzero((caddr_t)&ifr.ifr_addr, sizeof(ifr.ifr_addr)); sbuf_bcat(sb, &ifr, sizeof(ifr)); max_len += sizeof(ifr); if (sbuf_error(sb) == 0) valid_len = sbuf_len(sb); } } IFNET_RUNLOCK(); if (valid_len != max_len && !full) { sbuf_delete(sb); goto again; } - ifc.ifc_len = valid_len; + ifc.ifc_len = valid_len; sbuf_finish(sb); error = copyout(sbuf_data(sb), PTRIN(ifc.ifc_buf), ifc.ifc_len); if (error == 0) error = copyout(&ifc, uifc, sizeof(ifc)); sbuf_delete(sb); CURVNET_RESTORE(); return (error); } static int linux_gifflags(struct thread *td, struct ifnet *ifp, struct l_ifreq *ifr) { l_short flags; flags = (ifp->if_flags | ifp->if_drv_flags) & 0xffff; /* these flags have no Linux equivalent */ flags &= ~(IFF_DRV_OACTIVE|IFF_SIMPLEX| IFF_LINK0|IFF_LINK1|IFF_LINK2); /* Linux' multicast flag is in a different bit */ if (flags & IFF_MULTICAST) { flags &= ~IFF_MULTICAST; flags |= 0x1000; } return (copyout(&flags, &ifr->ifr_flags, sizeof(flags))); } #define ARPHRD_ETHER 1 #define ARPHRD_LOOPBACK 772 static int linux_gifhwaddr(struct ifnet *ifp, struct l_ifreq *ifr) { struct ifaddr *ifa; struct sockaddr_dl *sdl; struct l_sockaddr lsa; if (ifp->if_type == IFT_LOOP) { bzero(&lsa, sizeof(lsa)); lsa.sa_family = ARPHRD_LOOPBACK; return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); } if (ifp->if_type != IFT_ETHER) return (ENOENT); TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { sdl = (struct sockaddr_dl*)ifa->ifa_addr; if (sdl != NULL && (sdl->sdl_family == AF_LINK) && (sdl->sdl_type == IFT_ETHER)) { bzero(&lsa, sizeof(lsa)); lsa.sa_family = ARPHRD_ETHER; bcopy(LLADDR(sdl), lsa.sa_data, LINUX_IFHWADDRLEN); return (copyout(&lsa, &ifr->ifr_hwaddr, sizeof(lsa))); } } return (ENOENT); } /* * If we fault in bsd_to_linux_ifreq() then we will fault when we call * the native ioctl(). Thus, we don't really need to check the return * value of this function. */ static int bsd_to_linux_ifreq(struct ifreq *arg) { struct ifreq ifr; size_t ifr_len = sizeof(struct ifreq); int error; - + if ((error = copyin(arg, &ifr, ifr_len))) return (error); - + *(u_short *)&ifr.ifr_addr = ifr.ifr_addr.sa_family; - + error = copyout(&ifr, arg, ifr_len); return (error); } /* * Socket related ioctls */ static int linux_ioctl_socket(struct thread *td, struct linux_ioctl_args *args) { char lifname[LINUX_IFNAMSIZ], ifname[IFNAMSIZ]; cap_rights_t rights; struct ifnet *ifp; struct file *fp; int error, type; ifp = NULL; error = 0; error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); type = fp->f_type; fdrop(fp, td); if (type != DTYPE_SOCKET) { /* not a socket - probably a tap / vmnet device */ switch (args->cmd) { case LINUX_SIOCGIFADDR: case LINUX_SIOCSIFADDR: case LINUX_SIOCGIFFLAGS: return (linux_ioctl_special(td, args)); default: return (ENOIOCTL); } } switch (args->cmd & 0xffff) { case LINUX_FIOGETOWN: case LINUX_FIOSETOWN: case LINUX_SIOCADDMULTI: case LINUX_SIOCATMARK: case LINUX_SIOCDELMULTI: case LINUX_SIOCGIFNAME: case LINUX_SIOCGIFCONF: case LINUX_SIOCGPGRP: case LINUX_SIOCSPGRP: case LINUX_SIOCGIFCOUNT: /* these ioctls don't take an interface name */ #ifdef DEBUG printf("%s(): ioctl %d\n", __func__, args->cmd & 0xffff); #endif break; case LINUX_SIOCGIFFLAGS: case LINUX_SIOCGIFADDR: case LINUX_SIOCSIFADDR: case LINUX_SIOCGIFDSTADDR: case LINUX_SIOCGIFBRDADDR: case LINUX_SIOCGIFNETMASK: case LINUX_SIOCSIFNETMASK: case LINUX_SIOCGIFMTU: case LINUX_SIOCSIFMTU: case LINUX_SIOCSIFNAME: case LINUX_SIOCGIFHWADDR: case LINUX_SIOCSIFHWADDR: case LINUX_SIOCDEVPRIVATE: case LINUX_SIOCDEVPRIVATE+1: case LINUX_SIOCGIFINDEX: /* copy in the interface name and translate it. */ error = copyin((void *)args->arg, lifname, LINUX_IFNAMSIZ); if (error != 0) return (error); #ifdef DEBUG printf("%s(): ioctl %d on %.*s\n", __func__, args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname); #endif ifp = ifname_linux_to_bsd(td, lifname, ifname); if (ifp == NULL) return (EINVAL); /* * We need to copy it back out in case we pass the * request on to our native ioctl(), which will expect * the ifreq to be in user space and have the correct * interface name. */ error = copyout(ifname, (void *)args->arg, IFNAMSIZ); if (error != 0) return (error); #ifdef DEBUG printf("%s(): %s translated to %s\n", __func__, lifname, ifname); #endif break; default: return (ENOIOCTL); } switch (args->cmd & 0xffff) { case LINUX_FIOSETOWN: args->cmd = FIOSETOWN; error = sys_ioctl(td, (struct ioctl_args *)args); break; case LINUX_SIOCSPGRP: args->cmd = SIOCSPGRP; error = sys_ioctl(td, (struct ioctl_args *)args); break; case LINUX_FIOGETOWN: args->cmd = FIOGETOWN; error = sys_ioctl(td, (struct ioctl_args *)args); break; case LINUX_SIOCGPGRP: args->cmd = SIOCGPGRP; error = sys_ioctl(td, (struct ioctl_args *)args); break; case LINUX_SIOCATMARK: args->cmd = SIOCATMARK; error = sys_ioctl(td, (struct ioctl_args *)args); break; /* LINUX_SIOCGSTAMP */ case LINUX_SIOCGIFNAME: error = linux_ioctl_ifname(td, (struct l_ifreq *)args->arg); break; case LINUX_SIOCGIFCONF: error = linux_ifconf(td, (struct ifconf *)args->arg); break; case LINUX_SIOCGIFFLAGS: args->cmd = SIOCGIFFLAGS; error = linux_gifflags(td, ifp, (struct l_ifreq *)args->arg); break; case LINUX_SIOCGIFADDR: args->cmd = SIOCGIFADDR; error = sys_ioctl(td, (struct ioctl_args *)args); bsd_to_linux_ifreq((struct ifreq *)args->arg); break; case LINUX_SIOCSIFADDR: /* XXX probably doesn't work, included for completeness */ args->cmd = SIOCSIFADDR; error = sys_ioctl(td, (struct ioctl_args *)args); break; case LINUX_SIOCGIFDSTADDR: args->cmd = SIOCGIFDSTADDR; error = sys_ioctl(td, (struct ioctl_args *)args); bsd_to_linux_ifreq((struct ifreq *)args->arg); break; case LINUX_SIOCGIFBRDADDR: args->cmd = SIOCGIFBRDADDR; error = sys_ioctl(td, (struct ioctl_args *)args); bsd_to_linux_ifreq((struct ifreq *)args->arg); break; case LINUX_SIOCGIFNETMASK: args->cmd = SIOCGIFNETMASK; error = sys_ioctl(td, (struct ioctl_args *)args); bsd_to_linux_ifreq((struct ifreq *)args->arg); break; case LINUX_SIOCSIFNETMASK: error = ENOIOCTL; break; case LINUX_SIOCGIFMTU: args->cmd = SIOCGIFMTU; error = sys_ioctl(td, (struct ioctl_args *)args); break; case LINUX_SIOCSIFMTU: args->cmd = SIOCSIFMTU; error = sys_ioctl(td, (struct ioctl_args *)args); break; case LINUX_SIOCSIFNAME: error = ENOIOCTL; break; case LINUX_SIOCGIFHWADDR: error = linux_gifhwaddr(ifp, (struct l_ifreq *)args->arg); break; case LINUX_SIOCSIFHWADDR: error = ENOIOCTL; break; case LINUX_SIOCADDMULTI: args->cmd = SIOCADDMULTI; error = sys_ioctl(td, (struct ioctl_args *)args); break; case LINUX_SIOCDELMULTI: args->cmd = SIOCDELMULTI; error = sys_ioctl(td, (struct ioctl_args *)args); break; case LINUX_SIOCGIFINDEX: args->cmd = SIOCGIFINDEX; error = sys_ioctl(td, (struct ioctl_args *)args); break; case LINUX_SIOCGIFCOUNT: error = 0; break; /* * XXX This is slightly bogus, but these ioctls are currently * XXX only used by the aironet (if_an) network driver. */ case LINUX_SIOCDEVPRIVATE: args->cmd = SIOCGPRIVATE_0; error = sys_ioctl(td, (struct ioctl_args *)args); break; case LINUX_SIOCDEVPRIVATE+1: args->cmd = SIOCGPRIVATE_1; error = sys_ioctl(td, (struct ioctl_args *)args); break; } if (ifp != NULL) /* restore the original interface name */ copyout(lifname, (void *)args->arg, LINUX_IFNAMSIZ); #ifdef DEBUG printf("%s(): returning %d\n", __func__, error); #endif return (error); } /* * Device private ioctl handler */ static int linux_ioctl_private(struct thread *td, struct linux_ioctl_args *args) { cap_rights_t rights; struct file *fp; int error, type; error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); type = fp->f_type; fdrop(fp, td); if (type == DTYPE_SOCKET) return (linux_ioctl_socket(td, args)); return (ENOIOCTL); } /* * DRM ioctl handler (sys/dev/drm) */ static int linux_ioctl_drm(struct thread *td, struct linux_ioctl_args *args) { args->cmd = SETDIR(args->cmd); return sys_ioctl(td, (struct ioctl_args *)args); } #ifdef COMPAT_LINUX32 #define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) #define PTRIN_CP(src,dst,fld) \ do { (dst).fld = PTRIN((src).fld); } while (0) #define PTROUT_CP(src,dst,fld) \ do { (dst).fld = PTROUT((src).fld); } while (0) static int linux_ioctl_sg_io(struct thread *td, struct linux_ioctl_args *args) { struct sg_io_hdr io; struct sg_io_hdr32 io32; cap_rights_t rights; struct file *fp; int error; error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) { printf("sg_linux_ioctl: fget returned %d\n", error); return (error); } if ((error = copyin((void *)args->arg, &io32, sizeof(io32))) != 0) goto out; CP(io32, io, interface_id); CP(io32, io, dxfer_direction); CP(io32, io, cmd_len); CP(io32, io, mx_sb_len); CP(io32, io, iovec_count); CP(io32, io, dxfer_len); PTRIN_CP(io32, io, dxferp); PTRIN_CP(io32, io, cmdp); PTRIN_CP(io32, io, sbp); CP(io32, io, timeout); CP(io32, io, flags); CP(io32, io, pack_id); PTRIN_CP(io32, io, usr_ptr); CP(io32, io, status); CP(io32, io, masked_status); CP(io32, io, msg_status); CP(io32, io, sb_len_wr); CP(io32, io, host_status); CP(io32, io, driver_status); CP(io32, io, resid); CP(io32, io, duration); CP(io32, io, info); if ((error = fo_ioctl(fp, SG_IO, (caddr_t)&io, td->td_ucred, td)) != 0) goto out; CP(io, io32, interface_id); CP(io, io32, dxfer_direction); CP(io, io32, cmd_len); CP(io, io32, mx_sb_len); CP(io, io32, iovec_count); CP(io, io32, dxfer_len); PTROUT_CP(io, io32, dxferp); PTROUT_CP(io, io32, cmdp); PTROUT_CP(io, io32, sbp); CP(io, io32, timeout); CP(io, io32, flags); CP(io, io32, pack_id); PTROUT_CP(io, io32, usr_ptr); CP(io, io32, status); CP(io, io32, masked_status); CP(io, io32, msg_status); CP(io, io32, sb_len_wr); CP(io, io32, host_status); CP(io, io32, driver_status); CP(io, io32, resid); CP(io, io32, duration); CP(io, io32, info); error = copyout(&io32, (void *)args->arg, sizeof(io32)); out: fdrop(fp, td); return (error); } #endif static int linux_ioctl_sg(struct thread *td, struct linux_ioctl_args *args) { switch (args->cmd) { case LINUX_SG_GET_VERSION_NUM: args->cmd = SG_GET_VERSION_NUM; break; case LINUX_SG_SET_TIMEOUT: args->cmd = SG_SET_TIMEOUT; break; case LINUX_SG_GET_TIMEOUT: args->cmd = SG_GET_TIMEOUT; break; case LINUX_SG_IO: args->cmd = SG_IO; #ifdef COMPAT_LINUX32 return (linux_ioctl_sg_io(td, args)); #endif break; case LINUX_SG_GET_RESERVED_SIZE: args->cmd = SG_GET_RESERVED_SIZE; break; case LINUX_SG_GET_SCSI_ID: args->cmd = SG_GET_SCSI_ID; break; case LINUX_SG_GET_SG_TABLESIZE: args->cmd = SG_GET_SG_TABLESIZE; break; default: return (ENODEV); } return (sys_ioctl(td, (struct ioctl_args *)args)); } /* * Video4Linux (V4L) ioctl handler */ static int linux_to_bsd_v4l_tuner(struct l_video_tuner *lvt, struct video_tuner *vt) { vt->tuner = lvt->tuner; strlcpy(vt->name, lvt->name, LINUX_VIDEO_TUNER_NAME_SIZE); vt->rangelow = lvt->rangelow; /* possible long size conversion */ vt->rangehigh = lvt->rangehigh; /* possible long size conversion */ vt->flags = lvt->flags; vt->mode = lvt->mode; vt->signal = lvt->signal; return (0); } static int bsd_to_linux_v4l_tuner(struct video_tuner *vt, struct l_video_tuner *lvt) { lvt->tuner = vt->tuner; strlcpy(lvt->name, vt->name, LINUX_VIDEO_TUNER_NAME_SIZE); lvt->rangelow = vt->rangelow; /* possible long size conversion */ lvt->rangehigh = vt->rangehigh; /* possible long size conversion */ lvt->flags = vt->flags; lvt->mode = vt->mode; lvt->signal = vt->signal; return (0); } #ifdef COMPAT_LINUX_V4L_CLIPLIST static int linux_to_bsd_v4l_clip(struct l_video_clip *lvc, struct video_clip *vc) { vc->x = lvc->x; vc->y = lvc->y; vc->width = lvc->width; vc->height = lvc->height; vc->next = PTRIN(lvc->next); /* possible pointer size conversion */ return (0); } #endif static int linux_to_bsd_v4l_window(struct l_video_window *lvw, struct video_window *vw) { vw->x = lvw->x; vw->y = lvw->y; vw->width = lvw->width; vw->height = lvw->height; vw->chromakey = lvw->chromakey; vw->flags = lvw->flags; vw->clips = PTRIN(lvw->clips); /* possible pointer size conversion */ vw->clipcount = lvw->clipcount; return (0); } static int bsd_to_linux_v4l_window(struct video_window *vw, struct l_video_window *lvw) { lvw->x = vw->x; lvw->y = vw->y; lvw->width = vw->width; lvw->height = vw->height; lvw->chromakey = vw->chromakey; lvw->flags = vw->flags; lvw->clips = PTROUT(vw->clips); /* possible pointer size conversion */ lvw->clipcount = vw->clipcount; return (0); } static int linux_to_bsd_v4l_buffer(struct l_video_buffer *lvb, struct video_buffer *vb) { vb->base = PTRIN(lvb->base); /* possible pointer size conversion */ vb->height = lvb->height; vb->width = lvb->width; vb->depth = lvb->depth; vb->bytesperline = lvb->bytesperline; return (0); } static int bsd_to_linux_v4l_buffer(struct video_buffer *vb, struct l_video_buffer *lvb) { lvb->base = PTROUT(vb->base); /* possible pointer size conversion */ lvb->height = vb->height; lvb->width = vb->width; lvb->depth = vb->depth; lvb->bytesperline = vb->bytesperline; return (0); } static int linux_to_bsd_v4l_code(struct l_video_code *lvc, struct video_code *vc) { strlcpy(vc->loadwhat, lvc->loadwhat, LINUX_VIDEO_CODE_LOADWHAT_SIZE); vc->datasize = lvc->datasize; vc->data = PTRIN(lvc->data); /* possible pointer size conversion */ return (0); } #ifdef COMPAT_LINUX_V4L_CLIPLIST static int linux_v4l_clip_copy(void *lvc, struct video_clip **ppvc) { int error; struct video_clip vclip; struct l_video_clip l_vclip; error = copyin(lvc, &l_vclip, sizeof(l_vclip)); if (error) return (error); linux_to_bsd_v4l_clip(&l_vclip, &vclip); /* XXX: If there can be no concurrency: s/M_NOWAIT/M_WAITOK/ */ if ((*ppvc = malloc(sizeof(**ppvc), M_LINUX, M_NOWAIT)) == NULL) return (ENOMEM); /* XXX: linux has no ENOMEM here */ memcpy(*ppvc, &vclip, sizeof(vclip)); (*ppvc)->next = NULL; return (0); } static int linux_v4l_cliplist_free(struct video_window *vw) { struct video_clip **ppvc; struct video_clip **ppvc_next; for (ppvc = &(vw->clips); *ppvc != NULL; ppvc = ppvc_next) { ppvc_next = &((*ppvc)->next); free(*ppvc, M_LINUX); } vw->clips = NULL; return (0); } static int linux_v4l_cliplist_copy(struct l_video_window *lvw, struct video_window *vw) { int error; int clipcount; void *plvc; struct video_clip **ppvc; /* * XXX: The cliplist is used to pass in a list of clipping * rectangles or, if clipcount == VIDEO_CLIP_BITMAP, a * clipping bitmap. Some Linux apps, however, appear to * leave cliplist and clips uninitialized. In any case, * the cliplist is not used by pwc(4), at the time of * writing, FreeBSD's only V4L driver. When a driver * that uses the cliplist is developed, this code may * need re-examiniation. */ error = 0; clipcount = vw->clipcount; if (clipcount == VIDEO_CLIP_BITMAP) { /* * In this case, the pointer (clips) is overloaded * to be a "void *" to a bitmap, therefore there * is no struct video_clip to copy now. */ } else if (clipcount > 0 && clipcount <= 16384) { /* * Clips points to list of clip rectangles, so * copy the list. * * XXX: Upper limit of 16384 was used here to try to * avoid cases when clipcount and clips pointer * are uninitialized and therefore have high random * values, as is the case in the Linux Skype * application. The value 16384 was chosen as that * is what is used in the Linux stradis(4) MPEG * decoder driver, the only place we found an * example of cliplist use. */ plvc = PTRIN(lvw->clips); vw->clips = NULL; ppvc = &(vw->clips); while (clipcount-- > 0) { if (plvc == NULL) { error = EFAULT; break; } else { error = linux_v4l_clip_copy(plvc, ppvc); if (error) { linux_v4l_cliplist_free(vw); break; } } ppvc = &((*ppvc)->next); - plvc = PTRIN(((struct l_video_clip *) plvc)->next); + plvc = PTRIN(((struct l_video_clip *) plvc)->next); } } else { /* * clipcount == 0 or negative (but not VIDEO_CLIP_BITMAP) * Force cliplist to null. */ vw->clipcount = 0; vw->clips = NULL; } return (error); } #endif static int linux_ioctl_v4l(struct thread *td, struct linux_ioctl_args *args) { cap_rights_t rights; struct file *fp; int error; struct video_tuner vtun; struct video_window vwin; struct video_buffer vbuf; struct video_code vcode; struct l_video_tuner l_vtun; struct l_video_window l_vwin; struct l_video_buffer l_vbuf; struct l_video_code l_vcode; switch (args->cmd & 0xffff) { case LINUX_VIDIOCGCAP: args->cmd = VIDIOCGCAP; break; case LINUX_VIDIOCGCHAN: args->cmd = VIDIOCGCHAN; break; case LINUX_VIDIOCSCHAN: args->cmd = VIDIOCSCHAN; break; case LINUX_VIDIOCGTUNER: error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); if (error) { fdrop(fp, td); return (error); } linux_to_bsd_v4l_tuner(&l_vtun, &vtun); error = fo_ioctl(fp, VIDIOCGTUNER, &vtun, td->td_ucred, td); if (!error) { bsd_to_linux_v4l_tuner(&vtun, &l_vtun); error = copyout(&l_vtun, (void *) args->arg, sizeof(l_vtun)); } fdrop(fp, td); return (error); case LINUX_VIDIOCSTUNER: error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); error = copyin((void *) args->arg, &l_vtun, sizeof(l_vtun)); if (error) { fdrop(fp, td); return (error); } linux_to_bsd_v4l_tuner(&l_vtun, &vtun); error = fo_ioctl(fp, VIDIOCSTUNER, &vtun, td->td_ucred, td); fdrop(fp, td); return (error); case LINUX_VIDIOCGPICT: args->cmd = VIDIOCGPICT; break; case LINUX_VIDIOCSPICT: args->cmd = VIDIOCSPICT; break; case LINUX_VIDIOCCAPTURE: args->cmd = VIDIOCCAPTURE; break; case LINUX_VIDIOCGWIN: error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); error = fo_ioctl(fp, VIDIOCGWIN, &vwin, td->td_ucred, td); if (!error) { bsd_to_linux_v4l_window(&vwin, &l_vwin); error = copyout(&l_vwin, (void *) args->arg, sizeof(l_vwin)); } fdrop(fp, td); return (error); case LINUX_VIDIOCSWIN: error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); error = copyin((void *) args->arg, &l_vwin, sizeof(l_vwin)); if (error) { fdrop(fp, td); return (error); } linux_to_bsd_v4l_window(&l_vwin, &vwin); #ifdef COMPAT_LINUX_V4L_CLIPLIST error = linux_v4l_cliplist_copy(&l_vwin, &vwin); if (error) { fdrop(fp, td); return (error); } #endif error = fo_ioctl(fp, VIDIOCSWIN, &vwin, td->td_ucred, td); fdrop(fp, td); #ifdef COMPAT_LINUX_V4L_CLIPLIST linux_v4l_cliplist_free(&vwin); #endif return (error); case LINUX_VIDIOCGFBUF: error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); error = fo_ioctl(fp, VIDIOCGFBUF, &vbuf, td->td_ucred, td); if (!error) { bsd_to_linux_v4l_buffer(&vbuf, &l_vbuf); error = copyout(&l_vbuf, (void *) args->arg, sizeof(l_vbuf)); } fdrop(fp, td); return (error); case LINUX_VIDIOCSFBUF: error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); error = copyin((void *) args->arg, &l_vbuf, sizeof(l_vbuf)); if (error) { fdrop(fp, td); return (error); } linux_to_bsd_v4l_buffer(&l_vbuf, &vbuf); error = fo_ioctl(fp, VIDIOCSFBUF, &vbuf, td->td_ucred, td); fdrop(fp, td); return (error); case LINUX_VIDIOCKEY: args->cmd = VIDIOCKEY; break; case LINUX_VIDIOCGFREQ: args->cmd = VIDIOCGFREQ; break; case LINUX_VIDIOCSFREQ: args->cmd = VIDIOCSFREQ; break; case LINUX_VIDIOCGAUDIO: args->cmd = VIDIOCGAUDIO; break; case LINUX_VIDIOCSAUDIO: args->cmd = VIDIOCSAUDIO; break; case LINUX_VIDIOCSYNC: args->cmd = VIDIOCSYNC; break; case LINUX_VIDIOCMCAPTURE: args->cmd = VIDIOCMCAPTURE; break; case LINUX_VIDIOCGMBUF: args->cmd = VIDIOCGMBUF; break; case LINUX_VIDIOCGUNIT: args->cmd = VIDIOCGUNIT; break; case LINUX_VIDIOCGCAPTURE: args->cmd = VIDIOCGCAPTURE; break; case LINUX_VIDIOCSCAPTURE: args->cmd = VIDIOCSCAPTURE; break; case LINUX_VIDIOCSPLAYMODE: args->cmd = VIDIOCSPLAYMODE; break; case LINUX_VIDIOCSWRITEMODE: args->cmd = VIDIOCSWRITEMODE; break; case LINUX_VIDIOCGPLAYINFO: args->cmd = VIDIOCGPLAYINFO; break; case LINUX_VIDIOCSMICROCODE: error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); error = copyin((void *) args->arg, &l_vcode, sizeof(l_vcode)); if (error) { fdrop(fp, td); return (error); } linux_to_bsd_v4l_code(&l_vcode, &vcode); error = fo_ioctl(fp, VIDIOCSMICROCODE, &vcode, td->td_ucred, td); fdrop(fp, td); return (error); case LINUX_VIDIOCGVBIFMT: args->cmd = VIDIOCGVBIFMT; break; case LINUX_VIDIOCSVBIFMT: args->cmd = VIDIOCSVBIFMT; break; default: return (ENOIOCTL); } error = sys_ioctl(td, (struct ioctl_args *)args); return (error); } /* * Special ioctl handler */ static int linux_ioctl_special(struct thread *td, struct linux_ioctl_args *args) { int error; switch (args->cmd) { case LINUX_SIOCGIFADDR: args->cmd = SIOCGIFADDR; error = sys_ioctl(td, (struct ioctl_args *)args); break; case LINUX_SIOCSIFADDR: args->cmd = SIOCSIFADDR; error = sys_ioctl(td, (struct ioctl_args *)args); break; case LINUX_SIOCGIFFLAGS: args->cmd = SIOCGIFFLAGS; error = sys_ioctl(td, (struct ioctl_args *)args); break; default: error = ENOIOCTL; } return (error); } static int linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd) { vstd->index = lvstd->index; vstd->id = lvstd->id; CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); memcpy(vstd->name, lvstd->name, sizeof(vstd->name)); vstd->frameperiod = lvstd->frameperiod; vstd->framelines = lvstd->framelines; CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); memcpy(vstd->reserved, lvstd->reserved, sizeof(vstd->reserved)); return (0); } static int bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd) { lvstd->index = vstd->index; lvstd->id = vstd->id; CTASSERT(sizeof(vstd->name) == sizeof(lvstd->name)); memcpy(lvstd->name, vstd->name, sizeof(lvstd->name)); lvstd->frameperiod = vstd->frameperiod; lvstd->framelines = vstd->framelines; CTASSERT(sizeof(vstd->reserved) == sizeof(lvstd->reserved)); memcpy(lvstd->reserved, vstd->reserved, sizeof(lvstd->reserved)); return (0); } static int linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb) { vb->index = lvb->index; vb->type = lvb->type; vb->bytesused = lvb->bytesused; vb->flags = lvb->flags; vb->field = lvb->field; vb->timestamp.tv_sec = lvb->timestamp.tv_sec; vb->timestamp.tv_usec = lvb->timestamp.tv_usec; memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode)); vb->sequence = lvb->sequence; vb->memory = lvb->memory; if (lvb->memory == V4L2_MEMORY_USERPTR) /* possible pointer size conversion */ vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr); else vb->m.offset = lvb->m.offset; vb->length = lvb->length; vb->input = lvb->input; vb->reserved = lvb->reserved; return (0); } static int bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb) { lvb->index = vb->index; lvb->type = vb->type; lvb->bytesused = vb->bytesused; lvb->flags = vb->flags; lvb->field = vb->field; lvb->timestamp.tv_sec = vb->timestamp.tv_sec; lvb->timestamp.tv_usec = vb->timestamp.tv_usec; memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode)); lvb->sequence = vb->sequence; lvb->memory = vb->memory; if (vb->memory == V4L2_MEMORY_USERPTR) /* possible pointer size conversion */ lvb->m.userptr = PTROUT(vb->m.userptr); else lvb->m.offset = vb->m.offset; lvb->length = vb->length; lvb->input = vb->input; lvb->reserved = vb->reserved; return (0); } static int linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf) { vf->type = lvf->type; if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY #endif ) /* * XXX TODO - needs 32 -> 64 bit conversion: * (unused by webcams?) */ return EINVAL; memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt)); return 0; } static int bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf) { lvf->type = vf->type; if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY #ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY #endif ) /* * XXX TODO - needs 32 -> 64 bit conversion: * (unused by webcams?) */ return EINVAL; memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt)); return 0; } static int linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args) { cap_rights_t rights; struct file *fp; int error; struct v4l2_format vformat; struct l_v4l2_format l_vformat; struct v4l2_standard vstd; struct l_v4l2_standard l_vstd; struct l_v4l2_buffer l_vbuf; struct v4l2_buffer vbuf; struct v4l2_input vinp; switch (args->cmd & 0xffff) { case LINUX_VIDIOC_RESERVED: case LINUX_VIDIOC_LOG_STATUS: if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID) return ENOIOCTL; args->cmd = (args->cmd & 0xffff) | IOC_VOID; break; case LINUX_VIDIOC_OVERLAY: case LINUX_VIDIOC_STREAMON: case LINUX_VIDIOC_STREAMOFF: case LINUX_VIDIOC_S_STD: case LINUX_VIDIOC_S_TUNER: case LINUX_VIDIOC_S_AUDIO: case LINUX_VIDIOC_S_AUDOUT: case LINUX_VIDIOC_S_MODULATOR: case LINUX_VIDIOC_S_FREQUENCY: case LINUX_VIDIOC_S_CROP: case LINUX_VIDIOC_S_JPEGCOMP: case LINUX_VIDIOC_S_PRIORITY: case LINUX_VIDIOC_DBG_S_REGISTER: case LINUX_VIDIOC_S_HW_FREQ_SEEK: case LINUX_VIDIOC_SUBSCRIBE_EVENT: case LINUX_VIDIOC_UNSUBSCRIBE_EVENT: args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN; break; case LINUX_VIDIOC_QUERYCAP: case LINUX_VIDIOC_G_STD: case LINUX_VIDIOC_G_AUDIO: case LINUX_VIDIOC_G_INPUT: case LINUX_VIDIOC_G_OUTPUT: case LINUX_VIDIOC_G_AUDOUT: case LINUX_VIDIOC_G_JPEGCOMP: case LINUX_VIDIOC_QUERYSTD: case LINUX_VIDIOC_G_PRIORITY: case LINUX_VIDIOC_QUERY_DV_PRESET: args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT; break; case LINUX_VIDIOC_ENUM_FMT: case LINUX_VIDIOC_REQBUFS: case LINUX_VIDIOC_G_PARM: case LINUX_VIDIOC_S_PARM: case LINUX_VIDIOC_G_CTRL: case LINUX_VIDIOC_S_CTRL: case LINUX_VIDIOC_G_TUNER: case LINUX_VIDIOC_QUERYCTRL: case LINUX_VIDIOC_QUERYMENU: case LINUX_VIDIOC_S_INPUT: case LINUX_VIDIOC_S_OUTPUT: case LINUX_VIDIOC_ENUMOUTPUT: case LINUX_VIDIOC_G_MODULATOR: case LINUX_VIDIOC_G_FREQUENCY: case LINUX_VIDIOC_CROPCAP: case LINUX_VIDIOC_G_CROP: case LINUX_VIDIOC_ENUMAUDIO: case LINUX_VIDIOC_ENUMAUDOUT: case LINUX_VIDIOC_G_SLICED_VBI_CAP: #ifdef VIDIOC_ENUM_FRAMESIZES case LINUX_VIDIOC_ENUM_FRAMESIZES: case LINUX_VIDIOC_ENUM_FRAMEINTERVALS: case LINUX_VIDIOC_ENCODER_CMD: case LINUX_VIDIOC_TRY_ENCODER_CMD: #endif case LINUX_VIDIOC_DBG_G_REGISTER: case LINUX_VIDIOC_DBG_G_CHIP_IDENT: case LINUX_VIDIOC_ENUM_DV_PRESETS: case LINUX_VIDIOC_S_DV_PRESET: case LINUX_VIDIOC_G_DV_PRESET: case LINUX_VIDIOC_S_DV_TIMINGS: case LINUX_VIDIOC_G_DV_TIMINGS: args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; break; case LINUX_VIDIOC_G_FMT: case LINUX_VIDIOC_S_FMT: case LINUX_VIDIOC_TRY_FMT: error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat)); if (error) return (error); error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error) return (error); if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0) error = EINVAL; else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT) error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat, td->td_ucred, td); else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT) error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat, td->td_ucred, td); else error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat, td->td_ucred, td); bsd_to_linux_v4l2_format(&vformat, &l_vformat); copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat)); fdrop(fp, td); return (error); case LINUX_VIDIOC_ENUMSTD: error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd)); if (error) return (error); linux_to_bsd_v4l2_standard(&l_vstd, &vstd); error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error) return (error); error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd, td->td_ucred, td); if (error) { fdrop(fp, td); return (error); } bsd_to_linux_v4l2_standard(&vstd, &l_vstd); error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd)); fdrop(fp, td); return (error); case LINUX_VIDIOC_ENUMINPUT: /* * The Linux struct l_v4l2_input differs only in size, * it has no padding at the end. */ error = copyin((void *)args->arg, &vinp, sizeof(struct l_v4l2_input)); if (error != 0) return (error); error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp, td->td_ucred, td); if (error) { fdrop(fp, td); return (error); } error = copyout(&vinp, (void *)args->arg, sizeof(struct l_v4l2_input)); fdrop(fp, td); return (error); case LINUX_VIDIOC_QUERYBUF: case LINUX_VIDIOC_QBUF: case LINUX_VIDIOC_DQBUF: error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf)); if (error) return (error); error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error) return (error); linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf); if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF) error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf, td->td_ucred, td); else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF) error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf, td->td_ucred, td); else error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf, td->td_ucred, td); bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf); copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf)); fdrop(fp, td); return (error); /* * XXX TODO - these need 32 -> 64 bit conversion: * (are any of them needed for webcams?) */ case LINUX_VIDIOC_G_FBUF: case LINUX_VIDIOC_S_FBUF: case LINUX_VIDIOC_G_EXT_CTRLS: case LINUX_VIDIOC_S_EXT_CTRLS: case LINUX_VIDIOC_TRY_EXT_CTRLS: case LINUX_VIDIOC_DQEVENT: default: return (ENOIOCTL); } error = sys_ioctl(td, (struct ioctl_args *)args); return (error); } /* * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros * instead of USB* ones. This lets us to provide correct values for cmd. * 0xffffffe0 -- 0xffffffff range seemed to be the least collision-prone. */ static int linux_ioctl_fbsd_usb(struct thread *td, struct linux_ioctl_args *args) { int error; error = 0; switch (args->cmd) { case FBSD_LUSB_DEVICEENUMERATE: args->cmd = USB_DEVICEENUMERATE; break; case FBSD_LUSB_DEV_QUIRK_ADD: args->cmd = USB_DEV_QUIRK_ADD; break; case FBSD_LUSB_DEV_QUIRK_GET: args->cmd = USB_DEV_QUIRK_GET; break; case FBSD_LUSB_DEV_QUIRK_REMOVE: args->cmd = USB_DEV_QUIRK_REMOVE; break; case FBSD_LUSB_DO_REQUEST: args->cmd = USB_DO_REQUEST; break; case FBSD_LUSB_FS_CLEAR_STALL_SYNC: args->cmd = USB_FS_CLEAR_STALL_SYNC; break; case FBSD_LUSB_FS_CLOSE: args->cmd = USB_FS_CLOSE; break; case FBSD_LUSB_FS_COMPLETE: args->cmd = USB_FS_COMPLETE; break; case FBSD_LUSB_FS_INIT: args->cmd = USB_FS_INIT; break; case FBSD_LUSB_FS_OPEN: args->cmd = USB_FS_OPEN; break; case FBSD_LUSB_FS_START: args->cmd = USB_FS_START; break; case FBSD_LUSB_FS_STOP: args->cmd = USB_FS_STOP; break; case FBSD_LUSB_FS_UNINIT: args->cmd = USB_FS_UNINIT; break; case FBSD_LUSB_GET_CONFIG: args->cmd = USB_GET_CONFIG; break; case FBSD_LUSB_GET_DEVICEINFO: args->cmd = USB_GET_DEVICEINFO; break; case FBSD_LUSB_GET_DEVICE_DESC: args->cmd = USB_GET_DEVICE_DESC; break; case FBSD_LUSB_GET_FULL_DESC: args->cmd = USB_GET_FULL_DESC; break; case FBSD_LUSB_GET_IFACE_DRIVER: args->cmd = USB_GET_IFACE_DRIVER; break; case FBSD_LUSB_GET_PLUGTIME: args->cmd = USB_GET_PLUGTIME; break; case FBSD_LUSB_GET_POWER_MODE: args->cmd = USB_GET_POWER_MODE; break; case FBSD_LUSB_GET_REPORT_DESC: args->cmd = USB_GET_REPORT_DESC; break; case FBSD_LUSB_GET_REPORT_ID: args->cmd = USB_GET_REPORT_ID; break; case FBSD_LUSB_GET_TEMPLATE: args->cmd = USB_GET_TEMPLATE; break; case FBSD_LUSB_IFACE_DRIVER_ACTIVE: args->cmd = USB_IFACE_DRIVER_ACTIVE; break; case FBSD_LUSB_IFACE_DRIVER_DETACH: args->cmd = USB_IFACE_DRIVER_DETACH; break; case FBSD_LUSB_QUIRK_NAME_GET: args->cmd = USB_QUIRK_NAME_GET; break; case FBSD_LUSB_READ_DIR: args->cmd = USB_READ_DIR; break; case FBSD_LUSB_SET_ALTINTERFACE: args->cmd = USB_SET_ALTINTERFACE; break; case FBSD_LUSB_SET_CONFIG: args->cmd = USB_SET_CONFIG; break; case FBSD_LUSB_SET_IMMED: args->cmd = USB_SET_IMMED; break; case FBSD_LUSB_SET_POWER_MODE: args->cmd = USB_SET_POWER_MODE; break; case FBSD_LUSB_SET_TEMPLATE: args->cmd = USB_SET_TEMPLATE; break; case FBSD_LUSB_FS_OPEN_STREAM: args->cmd = USB_FS_OPEN_STREAM; break; case FBSD_LUSB_GET_DEV_PORT_PATH: args->cmd = USB_GET_DEV_PORT_PATH; break; case FBSD_LUSB_GET_POWER_USAGE: args->cmd = USB_GET_POWER_USAGE; break; default: error = ENOIOCTL; } if (error != ENOIOCTL) error = sys_ioctl(td, (struct ioctl_args *)args); return (error); } /* * Some evdev ioctls must be translated. * - EVIOCGMTSLOTS is a IOC_READ ioctl on Linux although it has input data * (must be IOC_INOUT on FreeBSD). * - On Linux, EVIOCGRAB, EVIOCREVOKE and EVIOCRMFF are defined as _IOW with * an int argument. You don't pass an int pointer to the ioctl(), however, * but just the int directly. On FreeBSD, they are defined as _IOWINT for * this to work. */ static int linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args) { cap_rights_t rights; struct file *fp; clockid_t clock; int error; args->cmd = SETDIR(args->cmd); switch (args->cmd) { case (EVIOCGRAB & ~IOC_DIRMASK) | IOC_IN: args->cmd = EVIOCGRAB; break; case (EVIOCREVOKE & ~IOC_DIRMASK) | IOC_IN: args->cmd = EVIOCREVOKE; break; case (EVIOCRMFF & ~IOC_DIRMASK) | IOC_IN: args->cmd = EVIOCRMFF; break; case EVIOCSCLOCKID: { error = copyin(PTRIN(args->arg), &clock, sizeof(clock)); if (error != 0) return (error); if (clock & ~(LINUX_IOCTL_EVDEV_CLK)) return (EINVAL); error = linux_to_native_clockid(&clock, clock); if (error != 0) return (error); error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); error = fo_ioctl(fp, EVIOCSCLOCKID, &clock, td->td_ucred, td); fdrop(fp, td); return (error); } default: break; } if (IOCBASECMD(args->cmd) == ((EVIOCGMTSLOTS(0) & ~IOC_DIRMASK) | IOC_OUT)) args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT; return (sys_ioctl(td, (struct ioctl_args *)args)); } /* * main ioctl syscall function */ int linux_ioctl(struct thread *td, struct linux_ioctl_args *args) { cap_rights_t rights; struct file *fp; struct handler_element *he; int error, cmd; #ifdef DEBUG if (ldebug(ioctl)) printf(ARGS(ioctl, "%d, %04lx, *"), args->fd, (unsigned long)args->cmd); #endif error = fget(td, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp); if (error != 0) return (error); if ((fp->f_flag & (FREAD|FWRITE)) == 0) { fdrop(fp, td); return (EBADF); } /* Iterate over the ioctl handlers */ cmd = args->cmd & 0xffff; sx_slock(&linux_ioctl_sx); mtx_lock(&Giant); TAILQ_FOREACH(he, &handlers, list) { if (cmd >= he->low && cmd <= he->high) { error = (*he->func)(td, args); if (error != ENOIOCTL) { mtx_unlock(&Giant); sx_sunlock(&linux_ioctl_sx); fdrop(fp, td); return (error); } } } mtx_unlock(&Giant); sx_sunlock(&linux_ioctl_sx); fdrop(fp, td); switch (args->cmd & 0xffff) { case LINUX_BTRFS_IOC_CLONE: return (ENOTSUP); default: linux_msg(td, "ioctl fd=%d, cmd=0x%x ('%c',%d) is not implemented", args->fd, (int)(args->cmd & 0xffff), (int)(args->cmd & 0xff00) >> 8, (int)(args->cmd & 0xff)); break; } return (EINVAL); } int linux_ioctl_register_handler(struct linux_ioctl_handler *h) { struct handler_element *he, *cur; if (h == NULL || h->func == NULL) return (EINVAL); /* * Reuse the element if the handler is already on the list, otherwise * create a new element. */ sx_xlock(&linux_ioctl_sx); TAILQ_FOREACH(he, &handlers, list) { if (he->func == h->func) break; } if (he == NULL) { he = malloc(sizeof(*he), M_LINUX, M_WAITOK); he->func = h->func; } else TAILQ_REMOVE(&handlers, he, list); /* Initialize range information. */ he->low = h->low; he->high = h->high; he->span = h->high - h->low + 1; /* Add the element to the list, sorted on span. */ TAILQ_FOREACH(cur, &handlers, list) { if (cur->span > he->span) { TAILQ_INSERT_BEFORE(cur, he, list); sx_xunlock(&linux_ioctl_sx); return (0); } } TAILQ_INSERT_TAIL(&handlers, he, list); sx_xunlock(&linux_ioctl_sx); return (0); } int linux_ioctl_unregister_handler(struct linux_ioctl_handler *h) { struct handler_element *he; if (h == NULL || h->func == NULL) return (EINVAL); sx_xlock(&linux_ioctl_sx); TAILQ_FOREACH(he, &handlers, list) { if (he->func == h->func) { TAILQ_REMOVE(&handlers, he, list); sx_xunlock(&linux_ioctl_sx); free(he, M_LINUX); return (0); } } sx_xunlock(&linux_ioctl_sx); return (EINVAL); } Index: head/sys/compat/linux/linux_ioctl.h =================================================================== --- head/sys/compat/linux/linux_ioctl.h (revision 328889) +++ head/sys/compat/linux/linux_ioctl.h (revision 328890) @@ -1,778 +1,778 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1999 Marcel Moolenaar * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _LINUX_IOCTL_H_ #define _LINUX_IOCTL_H_ /* * ioctl * * XXX comments in Linux' indicate these * could be arch-dependant... */ #define LINUX_IOC_VOID 0 #define LINUX_IOC_IN 0x40000000 #define LINUX_IOC_OUT 0x80000000 #define LINUX_IOC_INOUT (LINUX_IOC_IN|LINUX_IOC_OUT) /* * disk */ #define LINUX_BLKROSET 0x125d #define LINUX_BLKROGET 0x125e #define LINUX_BLKRRPART 0x125f #define LINUX_BLKGETSIZE 0x1260 #define LINUX_BLKFLSBUF 0x1261 #define LINUX_BLKRASET 0x1262 #define LINUX_BLKRAGET 0x1263 #define LINUX_BLKFRASET 0x1264 #define LINUX_BLKFRAGET 0x1265 #define LINUX_BLKSECTSET 0x1266 #define LINUX_BLKSECTGET 0x1267 #define LINUX_BLKSSZGET 0x1268 #define LINUX_IOCTL_DISK_MIN LINUX_BLKROSET #define LINUX_IOCTL_DISK_MAX LINUX_BLKSSZGET /* * hdio */ #define LINUX_HDIO_GET_GEO 0x0301 #define LINUX_HDIO_GET_IDENTITY 0x030D /* not yet implemented */ #define LINUX_HDIO_GET_GEO_BIG 0x0330 #define LINUX_IOCTL_HDIO_MIN LINUX_HDIO_GET_GEO #define LINUX_IOCTL_HDIO_MAX LINUX_HDIO_GET_GEO_BIG /* * cdrom */ #define LINUX_CDROMPAUSE 0x5301 #define LINUX_CDROMRESUME 0x5302 #define LINUX_CDROMPLAYMSF 0x5303 #define LINUX_CDROMPLAYTRKIND 0x5304 #define LINUX_CDROMREADTOCHDR 0x5305 #define LINUX_CDROMREADTOCENTRY 0x5306 #define LINUX_CDROMSTOP 0x5307 #define LINUX_CDROMSTART 0x5308 #define LINUX_CDROMEJECT 0x5309 #define LINUX_CDROMVOLCTRL 0x530a #define LINUX_CDROMSUBCHNL 0x530b #define LINUX_CDROMREADMODE2 0x530c #define LINUX_CDROMREADMODE1 0x530d #define LINUX_CDROMREADAUDIO 0x530e #define LINUX_CDROMEJECT_SW 0x530f #define LINUX_CDROMMULTISESSION 0x5310 #define LINUX_CDROM_GET_UPC 0x5311 #define LINUX_CDROMRESET 0x5312 #define LINUX_CDROMVOLREAD 0x5313 #define LINUX_CDROMREADRAW 0x5314 #define LINUX_CDROMREADCOOKED 0x5315 #define LINUX_CDROMSEEK 0x5316 #define LINUX_CDROMPLAYBLK 0x5317 #define LINUX_CDROMREADALL 0x5318 #define LINUX_CDROMCLOSETRAY 0x5319 #define LINUX_CDROMLOADFROMSLOT 0x531a #define LINUX_CDROMGETSPINDOWN 0x531d #define LINUX_CDROMSETSPINDOWN 0x531e #define LINUX_CDROM_SET_OPTIONS 0x5320 #define LINUX_CDROM_CLEAR_OPTIONS 0x5321 #define LINUX_CDROM_SELECT_SPEED 0x5322 #define LINUX_CDROM_SELECT_DISC 0x5323 #define LINUX_CDROM_MEDIA_CHANGED 0x5325 #define LINUX_CDROM_DRIVE_STATUS 0x5326 #define LINUX_CDROM_DISC_STATUS 0x5327 #define LINUX_CDROM_CHANGER_NSLOTS 0x5328 #define LINUX_CDROM_LOCKDOOR 0x5329 #define LINUX_CDROM_DEBUG 0x5330 #define LINUX_CDROM_GET_CAPABILITY 0x5331 #define LINUX_CDROMAUDIOBUFSIZ 0x5382 #define LINUX_SCSI_GET_IDLUN 0x5382 #define LINUX_SCSI_GET_BUS_NUMBER 0x5386 #define LINUX_DVD_READ_STRUCT 0x5390 #define LINUX_DVD_WRITE_STRUCT 0x5391 #define LINUX_DVD_AUTH 0x5392 #define LINUX_CDROM_SEND_PACKET 0x5393 #define LINUX_CDROM_NEXT_WRITABLE 0x5394 #define LINUX_CDROM_LAST_WRITTEN 0x5395 #define LINUX_IOCTL_CDROM_MIN LINUX_CDROMPAUSE #define LINUX_IOCTL_CDROM_MAX LINUX_CDROM_LAST_WRITTEN #define LINUX_CDROM_LBA 0x01 #define LINUX_CDROM_MSF 0x02 #define LINUX_DVD_LU_SEND_AGID 0 #define LINUX_DVD_HOST_SEND_CHALLENGE 1 #define LINUX_DVD_LU_SEND_KEY1 2 #define LINUX_DVD_LU_SEND_CHALLENGE 3 #define LINUX_DVD_HOST_SEND_KEY2 4 #define LINUX_DVD_AUTH_ESTABLISHED 5 #define LINUX_DVD_AUTH_FAILURE 6 #define LINUX_DVD_LU_SEND_TITLE_KEY 7 #define LINUX_DVD_LU_SEND_ASF 8 #define LINUX_DVD_INVALIDATE_AGID 9 #define LINUX_DVD_LU_SEND_RPC_STATE 10 #define LINUX_DVD_HOST_SEND_RPC_STATE 11 /* * SG */ #define LINUX_SG_SET_TIMEOUT 0x2201 #define LINUX_SG_GET_TIMEOUT 0x2202 #define LINUX_SG_EMULATED_HOST 0x2203 #define LINUX_SG_SET_TRANSFORM 0x2204 #define LINUX_SG_GET_TRANSFORM 0x2205 #define LINUX_SG_GET_COMMAND_Q 0x2270 #define LINUX_SG_SET_COMMAND_Q 0x2271 #define LINUX_SG_SET_RESERVED_SIZE 0x2275 #define LINUX_SG_GET_RESERVED_SIZE 0x2272 #define LINUX_SG_GET_SCSI_ID 0x2276 #define LINUX_SG_SET_FORCE_LOW_DMA 0x2279 #define LINUX_SG_GET_LOW_DMA 0x227a #define LINUX_SG_SET_FORCE_PACK_ID 0x227b #define LINUX_SG_GET_PACK_ID 0x227c #define LINUX_SG_GET_NUM_WAITING 0x227d #define LINUX_SG_SET_DEBUG 0x227e #define LINUX_SG_GET_SG_TABLESIZE 0x227f #define LINUX_SG_GET_VERSION_NUM 0x2282 #define LINUX_SG_NEXT_CMD_LEN 0x2283 #define LINUX_SG_SCSI_RESET 0x2284 #define LINUX_SG_IO 0x2285 #define LINUX_SG_GET_REQUEST_TABLE 0x2286 #define LINUX_SG_SET_KEEP_ORPHAN 0x2287 #define LINUX_SG_GET_KEEP_ORPHAN 0x2288 #define LINUX_SG_GET_ACCESS_COUNT 0x2289 #define LINUX_IOCTL_SG_MIN 0x2200 #define LINUX_IOCTL_SG_MAX 0x22ff /* * VFAT */ #define LINUX_VFAT_READDIR_BOTH 0x7201 #define LINUX_IOCTL_VFAT_MIN LINUX_VFAT_READDIR_BOTH #define LINUX_IOCTL_VFAT_MAX LINUX_VFAT_READDIR_BOTH /* * console */ #define LINUX_KIOCSOUND 0x4B2F #define LINUX_KDMKTONE 0x4B30 #define LINUX_KDGETLED 0x4B31 #define LINUX_KDSETLED 0x4B32 #define LINUX_KDSETMODE 0x4B3A #define LINUX_KDGETMODE 0x4B3B #define LINUX_KDGKBMODE 0x4B44 #define LINUX_KDSKBMODE 0x4B45 #define LINUX_VT_OPENQRY 0x5600 #define LINUX_VT_GETMODE 0x5601 #define LINUX_VT_SETMODE 0x5602 #define LINUX_VT_GETSTATE 0x5603 #define LINUX_VT_RELDISP 0x5605 #define LINUX_VT_ACTIVATE 0x5606 #define LINUX_VT_WAITACTIVE 0x5607 #define LINUX_IOCTL_CONSOLE_MIN LINUX_KIOCSOUND #define LINUX_IOCTL_CONSOLE_MAX LINUX_VT_WAITACTIVE #define LINUX_LED_SCR 0x01 #define LINUX_LED_NUM 0x02 #define LINUX_LED_CAP 0x04 #define LINUX_KD_TEXT 0x0 #define LINUX_KD_GRAPHICS 0x1 #define LINUX_KD_TEXT0 0x2 #define LINUX_KD_TEXT1 0x3 #define LINUX_KBD_RAW 0 #define LINUX_KBD_XLATE 1 #define LINUX_KBD_MEDIUMRAW 2 /* * socket */ #define LINUX_FIOSETOWN 0x8901 #define LINUX_SIOCSPGRP 0x8902 #define LINUX_FIOGETOWN 0x8903 #define LINUX_SIOCGPGRP 0x8904 #define LINUX_SIOCATMARK 0x8905 #define LINUX_SIOCGSTAMP 0x8906 #define LINUX_SIOCGIFNAME 0x8910 #define LINUX_SIOCGIFCONF 0x8912 #define LINUX_SIOCGIFFLAGS 0x8913 #define LINUX_SIOCGIFADDR 0x8915 #define LINUX_SIOCSIFADDR 0x8916 #define LINUX_SIOCGIFDSTADDR 0x8917 #define LINUX_SIOCGIFBRDADDR 0x8919 #define LINUX_SIOCGIFNETMASK 0x891b #define LINUX_SIOCSIFNETMASK 0x891c #define LINUX_SIOCGIFMTU 0x8921 #define LINUX_SIOCSIFMTU 0x8922 #define LINUX_SIOCSIFNAME 0x8923 #define LINUX_SIOCSIFHWADDR 0x8924 #define LINUX_SIOCGIFHWADDR 0x8927 #define LINUX_SIOCADDMULTI 0x8931 #define LINUX_SIOCDELMULTI 0x8932 #define LINUX_SIOCGIFINDEX 0x8933 #define LINUX_SIOGIFINDEX LINUX_SIOCGIFINDEX #define LINUX_SIOCGIFCOUNT 0x8938 #define LINUX_IOCTL_SOCKET_MIN LINUX_FIOSETOWN #define LINUX_IOCTL_SOCKET_MAX LINUX_SIOCGIFCOUNT /* - * Device private ioctl calls + * Device private ioctl calls */ #define LINUX_SIOCDEVPRIVATE 0x89F0 /* to 89FF */ #define LINUX_IOCTL_PRIVATE_MIN LINUX_SIOCDEVPRIVATE #define LINUX_IOCTL_PRIVATE_MAX LINUX_SIOCDEVPRIVATE+0xf /* * sound */ #define LINUX_SOUND_MIXER_WRITE_VOLUME 0x4d00 #define LINUX_SOUND_MIXER_WRITE_BASS 0x4d01 #define LINUX_SOUND_MIXER_WRITE_TREBLE 0x4d02 #define LINUX_SOUND_MIXER_WRITE_SYNTH 0x4d03 #define LINUX_SOUND_MIXER_WRITE_PCM 0x4d04 #define LINUX_SOUND_MIXER_WRITE_SPEAKER 0x4d05 #define LINUX_SOUND_MIXER_WRITE_LINE 0x4d06 #define LINUX_SOUND_MIXER_WRITE_MIC 0x4d07 #define LINUX_SOUND_MIXER_WRITE_CD 0x4d08 #define LINUX_SOUND_MIXER_WRITE_IMIX 0x4d09 #define LINUX_SOUND_MIXER_WRITE_ALTPCM 0x4d0A #define LINUX_SOUND_MIXER_WRITE_RECLEV 0x4d0B #define LINUX_SOUND_MIXER_WRITE_IGAIN 0x4d0C #define LINUX_SOUND_MIXER_WRITE_OGAIN 0x4d0D #define LINUX_SOUND_MIXER_WRITE_LINE1 0x4d0E #define LINUX_SOUND_MIXER_WRITE_LINE2 0x4d0F #define LINUX_SOUND_MIXER_WRITE_LINE3 0x4d10 #define LINUX_SOUND_MIXER_INFO 0x4d65 #define LINUX_OSS_GETVERSION 0x4d76 #define LINUX_SOUND_MIXER_READ_STEREODEVS 0x4dfb #define LINUX_SOUND_MIXER_READ_CAPS 0x4dfc #define LINUX_SOUND_MIXER_READ_RECMASK 0x4dfd #define LINUX_SOUND_MIXER_READ_DEVMASK 0x4dfe #define LINUX_SOUND_MIXER_WRITE_RECSRC 0x4dff #define LINUX_SNDCTL_DSP_RESET 0x5000 #define LINUX_SNDCTL_DSP_SYNC 0x5001 #define LINUX_SNDCTL_DSP_SPEED 0x5002 #define LINUX_SNDCTL_DSP_STEREO 0x5003 #define LINUX_SNDCTL_DSP_GETBLKSIZE 0x5004 #define LINUX_SNDCTL_DSP_SETBLKSIZE LINUX_SNDCTL_DSP_GETBLKSIZE #define LINUX_SNDCTL_DSP_SETFMT 0x5005 #define LINUX_SOUND_PCM_WRITE_CHANNELS 0x5006 #define LINUX_SOUND_PCM_WRITE_FILTER 0x5007 #define LINUX_SNDCTL_DSP_POST 0x5008 #define LINUX_SNDCTL_DSP_SUBDIVIDE 0x5009 #define LINUX_SNDCTL_DSP_SETFRAGMENT 0x500A #define LINUX_SNDCTL_DSP_GETFMTS 0x500B #define LINUX_SNDCTL_DSP_GETOSPACE 0x500C #define LINUX_SNDCTL_DSP_GETISPACE 0x500D #define LINUX_SNDCTL_DSP_NONBLOCK 0x500E #define LINUX_SNDCTL_DSP_GETCAPS 0x500F #define LINUX_SNDCTL_DSP_GETTRIGGER 0x5010 #define LINUX_SNDCTL_DSP_SETTRIGGER LINUX_SNDCTL_DSP_GETTRIGGER #define LINUX_SNDCTL_DSP_GETIPTR 0x5011 #define LINUX_SNDCTL_DSP_GETOPTR 0x5012 #define LINUX_SNDCTL_DSP_SETDUPLEX 0x5016 #define LINUX_SNDCTL_DSP_GETODELAY 0x5017 #define LINUX_SNDCTL_SEQ_RESET 0x5100 #define LINUX_SNDCTL_SEQ_SYNC 0x5101 #define LINUX_SNDCTL_SYNTH_INFO 0x5102 #define LINUX_SNDCTL_SEQ_CTRLRATE 0x5103 #define LINUX_SNDCTL_SEQ_GETOUTCOUNT 0x5104 #define LINUX_SNDCTL_SEQ_GETINCOUNT 0x5105 #define LINUX_SNDCTL_SEQ_PERCMODE 0x5106 #define LINUX_SNDCTL_FM_LOAD_INSTR 0x5107 #define LINUX_SNDCTL_SEQ_TESTMIDI 0x5108 #define LINUX_SNDCTL_SEQ_RESETSAMPLES 0x5109 #define LINUX_SNDCTL_SEQ_NRSYNTHS 0x510A #define LINUX_SNDCTL_SEQ_NRMIDIS 0x510B #define LINUX_SNDCTL_MIDI_INFO 0x510C #define LINUX_SNDCTL_SEQ_TRESHOLD 0x510D #define LINUX_SNDCTL_SYNTH_MEMAVL 0x510E #define LINUX_IOCTL_SOUND_MIN LINUX_SOUND_MIXER_WRITE_VOLUME #define LINUX_IOCTL_SOUND_MAX LINUX_SNDCTL_SYNTH_MEMAVL /* * termio */ #define LINUX_TCGETS 0x5401 #define LINUX_TCSETS 0x5402 #define LINUX_TCSETSW 0x5403 #define LINUX_TCSETSF 0x5404 #define LINUX_TCGETA 0x5405 #define LINUX_TCSETA 0x5406 #define LINUX_TCSETAW 0x5407 #define LINUX_TCSETAF 0x5408 #define LINUX_TCSBRK 0x5409 #define LINUX_TCXONC 0x540A #define LINUX_TCFLSH 0x540B #define LINUX_TIOCEXCL 0x540C #define LINUX_TIOCNXCL 0x540D #define LINUX_TIOCSCTTY 0x540E #define LINUX_TIOCGPGRP 0x540F #define LINUX_TIOCSPGRP 0x5410 #define LINUX_TIOCOUTQ 0x5411 #define LINUX_TIOCSTI 0x5412 #define LINUX_TIOCGWINSZ 0x5413 #define LINUX_TIOCSWINSZ 0x5414 #define LINUX_TIOCMGET 0x5415 #define LINUX_TIOCMBIS 0x5416 #define LINUX_TIOCMBIC 0x5417 #define LINUX_TIOCMSET 0x5418 #define LINUX_TIOCGSOFTCAR 0x5419 #define LINUX_TIOCSSOFTCAR 0x541A #define LINUX_FIONREAD 0x541B #define LINUX_TIOCINQ FIONREAD #define LINUX_TIOCLINUX 0x541C #define LINUX_TIOCCONS 0x541D #define LINUX_TIOCGSERIAL 0x541E #define LINUX_TIOCSSERIAL 0x541F #define LINUX_TIOCPKT 0x5420 #define LINUX_FIONBIO 0x5421 #define LINUX_TIOCNOTTY 0x5422 #define LINUX_TIOCSETD 0x5423 #define LINUX_TIOCGETD 0x5424 #define LINUX_TCSBRKP 0x5425 #define LINUX_TIOCTTYGSTRUCT 0x5426 #define LINUX_TIOCSBRK 0x5427 #define LINUX_TIOCCBRK 0x5428 #define LINUX_TIOCGPTN 0x5430 #define LINUX_TIOCSPTLCK 0x5431 #define LINUX_FIONCLEX 0x5450 #define LINUX_FIOCLEX 0x5451 #define LINUX_FIOASYNC 0x5452 #define LINUX_TIOCSERCONFIG 0x5453 #define LINUX_TIOCSERGWILD 0x5454 #define LINUX_TIOCSERSWILD 0x5455 #define LINUX_TIOCGLCKTRMIOS 0x5456 #define LINUX_TIOCSLCKTRMIOS 0x5457 #define LINUX_IOCTL_TERMIO_MIN LINUX_TCGETS #define LINUX_IOCTL_TERMIO_MAX LINUX_TIOCSLCKTRMIOS /* arguments for tcflow() and LINUX_TCXONC */ #define LINUX_TCOOFF 0 #define LINUX_TCOON 1 #define LINUX_TCIOFF 2 #define LINUX_TCION 3 /* arguments for tcflush() and LINUX_TCFLSH */ #define LINUX_TCIFLUSH 0 #define LINUX_TCOFLUSH 1 #define LINUX_TCIOFLUSH 2 /* line disciplines */ #define LINUX_N_TTY 0 #define LINUX_N_SLIP 1 #define LINUX_N_MOUSE 2 #define LINUX_N_PPP 3 /* Linux termio c_cc values */ #define LINUX_VINTR 0 #define LINUX_VQUIT 1 #define LINUX_VERASE 2 #define LINUX_VKILL 3 #define LINUX_VEOF 4 #define LINUX_VTIME 5 #define LINUX_VMIN 6 #define LINUX_VSWTC 7 #define LINUX_NCC 8 /* Linux termios c_cc values */ /* In addition to the termio values */ #define LINUX_VSTART 8 #define LINUX_VSTOP 9 -#define LINUX_VSUSP 10 +#define LINUX_VSUSP 10 #define LINUX_VEOL 11 #define LINUX_VREPRINT 12 #define LINUX_VDISCARD 13 #define LINUX_VWERASE 14 #define LINUX_VLNEXT 15 #define LINUX_VEOL2 16 #define LINUX_NCCS 19 #define LINUX_POSIX_VDISABLE '\0' /* Linux c_iflag masks */ #define LINUX_IGNBRK 0x0000001 #define LINUX_BRKINT 0x0000002 #define LINUX_IGNPAR 0x0000004 #define LINUX_PARMRK 0x0000008 #define LINUX_INPCK 0x0000010 #define LINUX_ISTRIP 0x0000020 #define LINUX_INLCR 0x0000040 #define LINUX_IGNCR 0x0000080 #define LINUX_ICRNL 0x0000100 #define LINUX_IUCLC 0x0000200 #define LINUX_IXON 0x0000400 #define LINUX_IXANY 0x0000800 #define LINUX_IXOFF 0x0001000 #define LINUX_IMAXBEL 0x0002000 /* Linux c_oflag masks */ #define LINUX_OPOST 0x0000001 #define LINUX_OLCUC 0x0000002 #define LINUX_ONLCR 0x0000004 #define LINUX_OCRNL 0x0000008 #define LINUX_ONOCR 0x0000010 #define LINUX_ONLRET 0x0000020 #define LINUX_OFILL 0x0000040 #define LINUX_OFDEL 0x0000080 #define LINUX_NLDLY 0x0000100 #define LINUX_NL0 0x0000000 #define LINUX_NL1 0x0000100 #define LINUX_CRDLY 0x0000600 #define LINUX_CR0 0x0000000 #define LINUX_CR1 0x0000200 #define LINUX_CR2 0x0000400 #define LINUX_CR3 0x0000600 #define LINUX_TABDLY 0x0001800 #define LINUX_TAB0 0x0000000 #define LINUX_TAB1 0x0000800 #define LINUX_TAB2 0x0001000 #define LINUX_TAB3 0x0001800 #define LINUX_XTABS 0x0001800 #define LINUX_BSDLY 0x0002000 #define LINUX_BS0 0x0000000 #define LINUX_BS1 0x0002000 #define LINUX_VTDLY 0x0004000 #define LINUX_VT0 0x0000000 #define LINUX_VT1 0x0004000 #define LINUX_FFDLY 0x0008000 #define LINUX_FF0 0x0000000 #define LINUX_FF1 0x0008000 #define LINUX_CBAUD 0x0000100f #define LINUX_B0 0x00000000 #define LINUX_B50 0x00000001 #define LINUX_B75 0x00000002 #define LINUX_B110 0x00000003 #define LINUX_B134 0x00000004 #define LINUX_B150 0x00000005 #define LINUX_B200 0x00000006 #define LINUX_B300 0x00000007 #define LINUX_B600 0x00000008 #define LINUX_B1200 0x00000009 #define LINUX_B1800 0x0000000a #define LINUX_B2400 0x0000000b #define LINUX_B4800 0x0000000c #define LINUX_B9600 0x0000000d #define LINUX_B19200 0x0000000e #define LINUX_B38400 0x0000000f #define LINUX_EXTA LINUX_B19200 #define LINUX_EXTB LINUX_B38400 #define LINUX_CBAUDEX 0x00001000 #define LINUX_B57600 0x00001001 #define LINUX_B115200 0x00001002 #define LINUX_CSIZE 0x00000030 #define LINUX_CS5 0x00000000 #define LINUX_CS6 0x00000010 #define LINUX_CS7 0x00000020 #define LINUX_CS8 0x00000030 #define LINUX_CSTOPB 0x00000040 #define LINUX_CREAD 0x00000080 #define LINUX_PARENB 0x00000100 #define LINUX_PARODD 0x00000200 #define LINUX_HUPCL 0x00000400 #define LINUX_CLOCAL 0x00000800 #define LINUX_CRTSCTS 0x80000000 /* Linux c_lflag masks */ #define LINUX_ISIG 0x00000001 #define LINUX_ICANON 0x00000002 #define LINUX_XCASE 0x00000004 #define LINUX_ECHO 0x00000008 #define LINUX_ECHOE 0x00000010 #define LINUX_ECHOK 0x00000020 #define LINUX_ECHONL 0x00000040 #define LINUX_NOFLSH 0x00000080 #define LINUX_TOSTOP 0x00000100 #define LINUX_ECHOCTL 0x00000200 #define LINUX_ECHOPRT 0x00000400 #define LINUX_ECHOKE 0x00000800 #define LINUX_FLUSHO 0x00001000 #define LINUX_PENDIN 0x00002000 #define LINUX_IEXTEN 0x00008000 /* serial_struct values for TIOC[GS]SERIAL ioctls */ #define LINUX_ASYNC_CLOSING_WAIT_INF 0 #define LINUX_ASYNC_CLOSING_WAIT_NONE 65535 #define LINUX_PORT_UNKNOWN 0 #define LINUX_PORT_8250 1 #define LINUX_PORT_16450 2 #define LINUX_PORT_16550 3 #define LINUX_PORT_16550A 4 #define LINUX_PORT_CIRRUS 5 #define LINUX_PORT_16650 6 #define LINUX_PORT_MAX 6 #define LINUX_ASYNC_HUP_NOTIFY 0x0001 #define LINUX_ASYNC_FOURPORT 0x0002 #define LINUX_ASYNC_SAK 0x0004 #define LINUX_ASYNC_SPLIT_TERMIOS 0x0008 #define LINUX_ASYNC_SPD_MASK 0x0030 #define LINUX_ASYNC_SPD_HI 0x0010 #define LINUX_ASYNC_SPD_VHI 0x0020 #define LINUX_ASYNC_SPD_CUST 0x0030 #define LINUX_ASYNC_SKIP_TEST 0x0040 #define LINUX_ASYNC_AUTO_IRQ 0x0080 #define LINUX_ASYNC_SESSION_LOCKOUT 0x0100 #define LINUX_ASYNC_PGRP_LOCKOUT 0x0200 #define LINUX_ASYNC_CALLOUT_NOHUP 0x0400 #define LINUX_ASYNC_FLAGS 0x0FFF #define LINUX_IOCTL_DRM_MIN 0x6400 #define LINUX_IOCTL_DRM_MAX 0x64ff /* * video */ #define LINUX_VIDIOCGCAP 0x7601 #define LINUX_VIDIOCGCHAN 0x7602 #define LINUX_VIDIOCSCHAN 0x7603 #define LINUX_VIDIOCGTUNER 0x7604 #define LINUX_VIDIOCSTUNER 0x7605 #define LINUX_VIDIOCGPICT 0x7606 #define LINUX_VIDIOCSPICT 0x7607 #define LINUX_VIDIOCCAPTURE 0x7608 #define LINUX_VIDIOCGWIN 0x7609 #define LINUX_VIDIOCSWIN 0x760a #define LINUX_VIDIOCGFBUF 0x760b #define LINUX_VIDIOCSFBUF 0x760c #define LINUX_VIDIOCKEY 0x760d #define LINUX_VIDIOCGFREQ 0x760e #define LINUX_VIDIOCSFREQ 0x760f #define LINUX_VIDIOCGAUDIO 0x7610 #define LINUX_VIDIOCSAUDIO 0x7611 #define LINUX_VIDIOCSYNC 0x7623 #define LINUX_VIDIOCMCAPTURE 0x7613 #define LINUX_VIDIOCGMBUF 0x7614 #define LINUX_VIDIOCGUNIT 0x7615 #define LINUX_VIDIOCGCAPTURE 0x7616 #define LINUX_VIDIOCSCAPTURE 0x7617 #define LINUX_VIDIOCSPLAYMODE 0x7618 #define LINUX_VIDIOCSWRITEMODE 0x7619 #define LINUX_VIDIOCGPLAYINFO 0x761a #define LINUX_VIDIOCSMICROCODE 0x761b #define LINUX_VIDIOCGVBIFMT 0x761c #define LINUX_VIDIOCSVBIFMT 0x761d #define LINUX_IOCTL_VIDEO_MIN LINUX_VIDIOCGCAP #define LINUX_IOCTL_VIDEO_MAX LINUX_VIDIOCSVBIFMT /* videodev2 aka V4L2 */ #define LINUX_VIDIOC_QUERYCAP 0x5600 /* 0x80685600 */ #define LINUX_VIDIOC_RESERVED 0x5601 /* 0x00005601 */ #define LINUX_VIDIOC_ENUM_FMT 0x5602 /* 0xc0405602 */ #define LINUX_VIDIOC_G_FMT 0x5604 /* 0xc0cc5604 */ #define LINUX_VIDIOC_S_FMT 0x5605 /* 0xc0cc5605 */ #define LINUX_VIDIOC_REQBUFS 0x5608 /* 0xc0145608 */ #define LINUX_VIDIOC_QUERYBUF 0x5609 /* 0xc0445609 */ #define LINUX_VIDIOC_G_FBUF 0x560a /* 0x802c560a */ #define LINUX_VIDIOC_S_FBUF 0x560b /* 0x402c560b */ #define LINUX_VIDIOC_OVERLAY 0x560e /* 0x4004560e */ #define LINUX_VIDIOC_QBUF 0x560f /* 0xc044560f */ #define LINUX_VIDIOC_DQBUF 0x5611 /* 0xc0445611 */ #define LINUX_VIDIOC_STREAMON 0x5612 /* 0x40045612 */ #define LINUX_VIDIOC_STREAMOFF 0x5613 /* 0x40045613 */ #define LINUX_VIDIOC_G_PARM 0x5615 /* 0xc0cc5615 */ #define LINUX_VIDIOC_S_PARM 0x5616 /* 0xc0cc5616 */ #define LINUX_VIDIOC_G_STD 0x5617 /* 0x80085617 */ #define LINUX_VIDIOC_S_STD 0x5618 /* 0x40085618 */ #define LINUX_VIDIOC_ENUMSTD 0x5619 /* 0xc0405619 */ #define LINUX_VIDIOC_ENUMINPUT 0x561a /* 0xc04c561a */ #define LINUX_VIDIOC_G_CTRL 0x561b /* 0xc008561b */ #define LINUX_VIDIOC_S_CTRL 0x561c /* 0xc008561c */ #define LINUX_VIDIOC_G_TUNER 0x561d /* 0xc054561d */ #define LINUX_VIDIOC_S_TUNER 0x561e /* 0x4054561e */ #define LINUX_VIDIOC_G_AUDIO 0x5621 /* 0x80345621 */ #define LINUX_VIDIOC_S_AUDIO 0x5622 /* 0x40345622 */ #define LINUX_VIDIOC_QUERYCTRL 0x5624 /* 0xc0445624 */ #define LINUX_VIDIOC_QUERYMENU 0x5625 /* 0xc02c5625 */ #define LINUX_VIDIOC_G_INPUT 0x5626 /* 0x80045626 */ #define LINUX_VIDIOC_S_INPUT 0x5627 /* 0xc0045627 */ #define LINUX_VIDIOC_G_OUTPUT 0x562e /* 0x8004562e */ #define LINUX_VIDIOC_S_OUTPUT 0x562f /* 0xc004562f */ #define LINUX_VIDIOC_ENUMOUTPUT 0x5630 /* 0xc0485630 */ #define LINUX_VIDIOC_G_AUDOUT 0x5631 /* 0x80345631 */ #define LINUX_VIDIOC_S_AUDOUT 0x5632 /* 0x40345632 */ #define LINUX_VIDIOC_G_MODULATOR 0x5636 /* 0xc0445636 */ #define LINUX_VIDIOC_S_MODULATOR 0x5637 /* 0x40445637 */ #define LINUX_VIDIOC_G_FREQUENCY 0x5638 /* 0xc02c5638 */ #define LINUX_VIDIOC_S_FREQUENCY 0x5639 /* 0x402c5639 */ #define LINUX_VIDIOC_CROPCAP 0x563a /* 0xc02c563a */ #define LINUX_VIDIOC_G_CROP 0x563b /* 0xc014563b */ #define LINUX_VIDIOC_S_CROP 0x563c /* 0x4014563c */ #define LINUX_VIDIOC_G_JPEGCOMP 0x563d /* 0x808c563d */ #define LINUX_VIDIOC_S_JPEGCOMP 0x563e /* 0x408c563e */ #define LINUX_VIDIOC_QUERYSTD 0x563f /* 0x8008563f */ #define LINUX_VIDIOC_TRY_FMT 0x5640 /* 0xc0cc5640 */ #define LINUX_VIDIOC_ENUMAUDIO 0x5641 /* 0xc0345641 */ #define LINUX_VIDIOC_ENUMAUDOUT 0x5642 /* 0xc0345642 */ #define LINUX_VIDIOC_G_PRIORITY 0x5643 /* 0x80045643 */ #define LINUX_VIDIOC_S_PRIORITY 0x5644 /* 0x40045644 */ #define LINUX_VIDIOC_G_SLICED_VBI_CAP 0x5645 /* 0xc0745645 */ #define LINUX_VIDIOC_LOG_STATUS 0x5646 /* 0x00005646 */ #define LINUX_VIDIOC_G_EXT_CTRLS 0x5647 /* 0xc0185647 */ #define LINUX_VIDIOC_S_EXT_CTRLS 0x5648 /* 0xc0185648 */ #define LINUX_VIDIOC_TRY_EXT_CTRLS 0x5649 /* 0xc0185649 */ #define LINUX_VIDIOC_ENUM_FRAMESIZES 0x564a /* 0xc02c564a */ #define LINUX_VIDIOC_ENUM_FRAMEINTERVALS 0x564b /* 0xc034564b */ #define LINUX_VIDIOC_G_ENC_INDEX 0x564c /* 0x8818564c */ #define LINUX_VIDIOC_ENCODER_CMD 0x564d /* 0xc028564d */ #define LINUX_VIDIOC_TRY_ENCODER_CMD 0x564e /* 0xc028564e */ #define LINUX_VIDIOC_DBG_S_REGISTER 0x564f /* 0x4038564f */ #define LINUX_VIDIOC_DBG_G_REGISTER 0x5650 /* 0xc0385650 */ #define LINUX_VIDIOC_DBG_G_CHIP_IDENT 0x5651 /* 0xc02c5651 */ #define LINUX_VIDIOC_S_HW_FREQ_SEEK 0x5652 /* 0x40305652 */ #define LINUX_VIDIOC_ENUM_DV_PRESETS 0x5653 /* 0xc0405653 */ #define LINUX_VIDIOC_S_DV_PRESET 0x5654 /* 0xc0145654 */ #define LINUX_VIDIOC_G_DV_PRESET 0x5655 /* 0xc0145655 */ #define LINUX_VIDIOC_QUERY_DV_PRESET 0x5656 /* 0x80145656 */ #define LINUX_VIDIOC_S_DV_TIMINGS 0x5657 /* 0xc0845657 */ #define LINUX_VIDIOC_G_DV_TIMINGS 0x5658 /* 0xc0845658 */ #define LINUX_VIDIOC_DQEVENT 0x5659 /* 0x80785659 */ #define LINUX_VIDIOC_SUBSCRIBE_EVENT 0x565a /* 0x4020565a */ #define LINUX_VIDIOC_UNSUBSCRIBE_EVENT 0x565b /* 0x4020565b */ #define LINUX_VIDIOC_OVERLAY_OLD 0x560e /* 0xc004560e */ #define LINUX_VIDIOC_S_PARM_OLD 0x5616 /* 0x40cc5616 */ #define LINUX_VIDIOC_S_CTRL_OLD 0x561c /* 0x4008561c */ #define LINUX_VIDIOC_G_AUDIO_OLD 0x5621 /* 0xc0345621 */ #define LINUX_VIDIOC_G_AUDOUT_OLD 0x5631 /* 0xc0345631 */ #define LINUX_VIDIOC_CROPCAP_OLD 0x563a /* 0x802c563a */ #define LINUX_IOCTL_VIDEO2_MIN LINUX_VIDIOC_QUERYCAP #define LINUX_IOCTL_VIDEO2_MAX LINUX_VIDIOC_UNSUBSCRIBE_EVENT /* * Our libusb(8) calls emulated within linux(4). */ #define FBSD_LUSB_DEVICEENUMERATE 0xffff #define FBSD_LUSB_DEV_QUIRK_ADD 0xfffe #define FBSD_LUSB_DEV_QUIRK_GET 0xfffd #define FBSD_LUSB_DEV_QUIRK_REMOVE 0xfffc #define FBSD_LUSB_DO_REQUEST 0xfffb #define FBSD_LUSB_FS_CLEAR_STALL_SYNC 0xfffa #define FBSD_LUSB_FS_CLOSE 0xfff9 #define FBSD_LUSB_FS_COMPLETE 0xfff8 #define FBSD_LUSB_FS_INIT 0xfff7 #define FBSD_LUSB_FS_OPEN 0xfff6 #define FBSD_LUSB_FS_START 0xfff5 #define FBSD_LUSB_FS_STOP 0xfff4 #define FBSD_LUSB_FS_UNINIT 0xfff3 #define FBSD_LUSB_GET_CONFIG 0xfff2 #define FBSD_LUSB_GET_DEVICEINFO 0xfff1 #define FBSD_LUSB_GET_DEVICE_DESC 0xfff0 #define FBSD_LUSB_GET_FULL_DESC 0xffef #define FBSD_LUSB_GET_IFACE_DRIVER 0xffee #define FBSD_LUSB_GET_PLUGTIME 0xffed #define FBSD_LUSB_GET_POWER_MODE 0xffec #define FBSD_LUSB_GET_REPORT_DESC 0xffeb #define FBSD_LUSB_GET_REPORT_ID 0xffea #define FBSD_LUSB_GET_TEMPLATE 0xffe9 #define FBSD_LUSB_IFACE_DRIVER_ACTIVE 0xffe8 #define FBSD_LUSB_IFACE_DRIVER_DETACH 0xffe7 #define FBSD_LUSB_QUIRK_NAME_GET 0xffe6 #define FBSD_LUSB_READ_DIR 0xffe5 #define FBSD_LUSB_SET_ALTINTERFACE 0xffe4 #define FBSD_LUSB_SET_CONFIG 0xffe3 #define FBSD_LUSB_SET_IMMED 0xffe2 #define FBSD_LUSB_SET_POWER_MODE 0xffe1 #define FBSD_LUSB_SET_TEMPLATE 0xffe0 #define FBSD_LUSB_FS_OPEN_STREAM 0xffdf #define FBSD_LUSB_GET_DEV_PORT_PATH 0xffde #define FBSD_LUSB_GET_POWER_USAGE 0xffdd #define FBSD_LUSB_MAX 0xffff #define FBSD_LUSB_MIN 0xffdd /* * Linux btrfs clone operation */ #define LINUX_BTRFS_IOC_CLONE 0x9409 /* 0x40049409 */ /* * Linux evdev ioctl min and max */ #define LINUX_IOCTL_EVDEV_MIN 0x4500 #define LINUX_IOCTL_EVDEV_MAX 0x45ff #define LINUX_IOCTL_EVDEV_CLK LINUX_CLOCK_REALTIME | \ LINUX_CLOCK_MONOTONIC |LINUX_CLOCK_BOOTTIME /* * Pluggable ioctl handlers */ struct linux_ioctl_args; struct thread; typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *); struct linux_ioctl_handler { linux_ioctl_function_t *func; int low, high; }; int linux_ioctl_register_handler(struct linux_ioctl_handler *h); int linux_ioctl_unregister_handler(struct linux_ioctl_handler *h); #endif /* !_LINUX_IOCTL_H_ */ Index: head/sys/compat/linux/linux_ipc.c =================================================================== --- head/sys/compat/linux/linux_ipc.c (revision 328889) +++ head/sys/compat/linux/linux_ipc.c (revision 328890) @@ -1,935 +1,935 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1994-1995 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include "opt_compat.h" #ifdef COMPAT_LINUX32 #include #include #else #include #include #endif #include #include #include /* * old, pre 2.4 kernel */ struct l_ipc_perm { l_key_t key; l_uid16_t uid; l_gid16_t gid; l_uid16_t cuid; l_gid16_t cgid; l_ushort mode; l_ushort seq; }; struct l_seminfo { l_int semmap; l_int semmni; l_int semmns; l_int semmnu; l_int semmsl; l_int semopm; l_int semume; l_int semusz; l_int semvmx; l_int semaem; }; struct l_shminfo { l_int shmmax; l_int shmmin; l_int shmmni; l_int shmseg; l_int shmall; }; struct l_shm_info { l_int used_ids; l_ulong shm_tot; /* total allocated shm */ l_ulong shm_rss; /* total resident shm */ l_ulong shm_swp; /* total swapped shm */ l_ulong swap_attempts; l_ulong swap_successes; }; struct l_msginfo { l_int msgpool; l_int msgmap; l_int msgmax; l_int msgmnb; l_int msgmni; l_int msgssz; l_int msgtql; l_ushort msgseg; }; static void bsd_to_linux_shminfo( struct shminfo *bpp, struct l_shminfo64 *lpp) { lpp->shmmax = bpp->shmmax; lpp->shmmin = bpp->shmmin; lpp->shmmni = bpp->shmmni; lpp->shmseg = bpp->shmseg; lpp->shmall = bpp->shmall; } static void bsd_to_linux_shm_info( struct shm_info *bpp, struct l_shm_info *lpp) { lpp->used_ids = bpp->used_ids; lpp->shm_tot = bpp->shm_tot; lpp->shm_rss = bpp->shm_rss; lpp->shm_swp = bpp->shm_swp; lpp->swap_attempts = bpp->swap_attempts; lpp->swap_successes = bpp->swap_successes; } static void linux_to_bsd_ipc_perm(struct l_ipc64_perm *lpp, struct ipc_perm *bpp) { bpp->key = lpp->key; bpp->uid = lpp->uid; bpp->gid = lpp->gid; bpp->cuid = lpp->cuid; bpp->cgid = lpp->cgid; bpp->mode = lpp->mode; bpp->seq = lpp->seq; } static void bsd_to_linux_ipc_perm(struct ipc_perm *bpp, struct l_ipc64_perm *lpp) { lpp->key = bpp->key; lpp->uid = bpp->uid; lpp->gid = bpp->gid; lpp->cuid = bpp->cuid; lpp->cgid = bpp->cgid; lpp->mode = bpp->mode & (S_IRWXU|S_IRWXG|S_IRWXO); lpp->seq = bpp->seq; } struct l_msqid_ds { struct l_ipc_perm msg_perm; l_uintptr_t msg_first; /* first message on queue,unused */ l_uintptr_t msg_last; /* last message in queue,unused */ l_time_t msg_stime; /* last msgsnd time */ l_time_t msg_rtime; /* last msgrcv time */ l_time_t msg_ctime; /* last change time */ l_ulong msg_lcbytes; /* Reuse junk fields for 32 bit */ l_ulong msg_lqbytes; /* ditto */ l_ushort msg_cbytes; /* current number of bytes on queue */ l_ushort msg_qnum; /* number of messages in queue */ l_ushort msg_qbytes; /* max number of bytes on queue */ l_pid_t msg_lspid; /* pid of last msgsnd */ l_pid_t msg_lrpid; /* last receive pid */ }; struct l_semid_ds { struct l_ipc_perm sem_perm; l_time_t sem_otime; l_time_t sem_ctime; l_uintptr_t sem_base; l_uintptr_t sem_pending; l_uintptr_t sem_pending_last; l_uintptr_t undo; l_ushort sem_nsems; }; struct l_shmid_ds { struct l_ipc_perm shm_perm; l_int shm_segsz; l_time_t shm_atime; l_time_t shm_dtime; l_time_t shm_ctime; l_ushort shm_cpid; l_ushort shm_lpid; l_short shm_nattch; l_ushort private1; l_uintptr_t private2; l_uintptr_t private3; }; static void linux_to_bsd_semid_ds(struct l_semid64_ds *lsp, struct semid_ds *bsp) { linux_to_bsd_ipc_perm(&lsp->sem_perm, &bsp->sem_perm); bsp->sem_otime = lsp->sem_otime; bsp->sem_ctime = lsp->sem_ctime; bsp->sem_nsems = lsp->sem_nsems; } static void bsd_to_linux_semid_ds(struct semid_ds *bsp, struct l_semid64_ds *lsp) { bsd_to_linux_ipc_perm(&bsp->sem_perm, &lsp->sem_perm); lsp->sem_otime = bsp->sem_otime; lsp->sem_ctime = bsp->sem_ctime; lsp->sem_nsems = bsp->sem_nsems; } static void linux_to_bsd_shmid_ds(struct l_shmid64_ds *lsp, struct shmid_ds *bsp) { linux_to_bsd_ipc_perm(&lsp->shm_perm, &bsp->shm_perm); bsp->shm_segsz = lsp->shm_segsz; bsp->shm_lpid = lsp->shm_lpid; bsp->shm_cpid = lsp->shm_cpid; bsp->shm_nattch = lsp->shm_nattch; bsp->shm_atime = lsp->shm_atime; bsp->shm_dtime = lsp->shm_dtime; bsp->shm_ctime = lsp->shm_ctime; } static void bsd_to_linux_shmid_ds(struct shmid_ds *bsp, struct l_shmid64_ds *lsp) { bsd_to_linux_ipc_perm(&bsp->shm_perm, &lsp->shm_perm); lsp->shm_segsz = bsp->shm_segsz; lsp->shm_lpid = bsp->shm_lpid; lsp->shm_cpid = bsp->shm_cpid; lsp->shm_nattch = bsp->shm_nattch; lsp->shm_atime = bsp->shm_atime; lsp->shm_dtime = bsp->shm_dtime; lsp->shm_ctime = bsp->shm_ctime; } static void linux_to_bsd_msqid_ds(struct l_msqid64_ds *lsp, struct msqid_ds *bsp) { linux_to_bsd_ipc_perm(&lsp->msg_perm, &bsp->msg_perm); bsp->msg_cbytes = lsp->msg_cbytes; bsp->msg_qnum = lsp->msg_qnum; bsp->msg_qbytes = lsp->msg_qbytes; bsp->msg_lspid = lsp->msg_lspid; bsp->msg_lrpid = lsp->msg_lrpid; bsp->msg_stime = lsp->msg_stime; bsp->msg_rtime = lsp->msg_rtime; bsp->msg_ctime = lsp->msg_ctime; } static void bsd_to_linux_msqid_ds(struct msqid_ds *bsp, struct l_msqid64_ds *lsp) { bsd_to_linux_ipc_perm(&bsp->msg_perm, &lsp->msg_perm); lsp->msg_cbytes = bsp->msg_cbytes; lsp->msg_qnum = bsp->msg_qnum; lsp->msg_qbytes = bsp->msg_qbytes; lsp->msg_lspid = bsp->msg_lspid; lsp->msg_lrpid = bsp->msg_lrpid; lsp->msg_stime = bsp->msg_stime; lsp->msg_rtime = bsp->msg_rtime; lsp->msg_ctime = bsp->msg_ctime; } static int linux_ipc64_perm_to_ipc_perm(struct l_ipc64_perm *in, struct l_ipc_perm *out) { out->key = in->key; out->uid = in->uid; out->gid = in->gid; out->cuid = in->cuid; out->cgid = in->cgid; out->mode = in->mode; out->seq = in->seq; /* Linux does not check overflow */ if (out->uid != in->uid || out->gid != in->gid || out->cuid != in->cuid || out->cgid != in->cgid || out->mode != in->mode) return (EOVERFLOW); else return (0); } static int linux_msqid_pullup(l_int ver, struct l_msqid64_ds *linux_msqid64, caddr_t uaddr) { struct l_msqid_ds linux_msqid; int error; if (ver == LINUX_IPC_64 || SV_CURPROC_FLAG(SV_LP64)) return (copyin(uaddr, linux_msqid64, sizeof(*linux_msqid64))); else { error = copyin(uaddr, &linux_msqid, sizeof(linux_msqid)); if (error != 0) return (error); bzero(linux_msqid64, sizeof(*linux_msqid64)); linux_msqid64->msg_perm.uid = linux_msqid.msg_perm.uid; linux_msqid64->msg_perm.gid = linux_msqid.msg_perm.gid; linux_msqid64->msg_perm.mode = linux_msqid.msg_perm.mode; if (linux_msqid.msg_qbytes == 0) linux_msqid64->msg_qbytes = linux_msqid.msg_lqbytes; else linux_msqid64->msg_qbytes = linux_msqid.msg_qbytes; return (0); } } static int linux_msqid_pushdown(l_int ver, struct l_msqid64_ds *linux_msqid64, caddr_t uaddr) { struct l_msqid_ds linux_msqid; int error; if (ver == LINUX_IPC_64 || SV_CURPROC_FLAG(SV_LP64)) return (copyout(linux_msqid64, uaddr, sizeof(*linux_msqid64))); else { bzero(&linux_msqid, sizeof(linux_msqid)); error = linux_ipc64_perm_to_ipc_perm(&linux_msqid64->msg_perm, &linux_msqid.msg_perm); if (error != 0) return (error); linux_msqid.msg_stime = linux_msqid64->msg_stime; linux_msqid.msg_rtime = linux_msqid64->msg_rtime; linux_msqid.msg_ctime = linux_msqid64->msg_ctime; if (linux_msqid64->msg_cbytes > USHRT_MAX) linux_msqid.msg_cbytes = USHRT_MAX; else linux_msqid.msg_cbytes = linux_msqid64->msg_cbytes; linux_msqid.msg_lcbytes = linux_msqid64->msg_cbytes; if (linux_msqid64->msg_qnum > USHRT_MAX) linux_msqid.msg_qnum = USHRT_MAX; else linux_msqid.msg_qnum = linux_msqid64->msg_qnum; if (linux_msqid64->msg_qbytes > USHRT_MAX) linux_msqid.msg_qbytes = USHRT_MAX; else linux_msqid.msg_qbytes = linux_msqid64->msg_qbytes; linux_msqid.msg_lqbytes = linux_msqid64->msg_qbytes; linux_msqid.msg_lspid = linux_msqid64->msg_lspid; linux_msqid.msg_lrpid = linux_msqid64->msg_lrpid; /* Linux does not check overflow */ if (linux_msqid.msg_stime != linux_msqid64->msg_stime || linux_msqid.msg_rtime != linux_msqid64->msg_rtime || linux_msqid.msg_ctime != linux_msqid64->msg_ctime) return (EOVERFLOW); return (copyout(&linux_msqid, uaddr, sizeof(linux_msqid))); } } static int linux_semid_pullup(l_int ver, struct l_semid64_ds *linux_semid64, caddr_t uaddr) { struct l_semid_ds linux_semid; int error; if (ver == LINUX_IPC_64 || SV_CURPROC_FLAG(SV_LP64)) return (copyin(uaddr, linux_semid64, sizeof(*linux_semid64))); else { error = copyin(uaddr, &linux_semid, sizeof(linux_semid)); if (error != 0) return (error); bzero(linux_semid64, sizeof(*linux_semid64)); linux_semid64->sem_perm.uid = linux_semid.sem_perm.uid; linux_semid64->sem_perm.gid = linux_semid.sem_perm.gid; linux_semid64->sem_perm.mode = linux_semid.sem_perm.mode; return (0); } } static int linux_semid_pushdown(l_int ver, struct l_semid64_ds *linux_semid64, caddr_t uaddr) { struct l_semid_ds linux_semid; int error; if (ver == LINUX_IPC_64 || SV_CURPROC_FLAG(SV_LP64)) return (copyout(linux_semid64, uaddr, sizeof(*linux_semid64))); else { bzero(&linux_semid, sizeof(linux_semid)); error = linux_ipc64_perm_to_ipc_perm(&linux_semid64->sem_perm, &linux_semid.sem_perm); if (error != 0) return (error); linux_semid.sem_otime = linux_semid64->sem_otime; linux_semid.sem_ctime = linux_semid64->sem_ctime; linux_semid.sem_nsems = linux_semid64->sem_nsems; /* Linux does not check overflow */ if (linux_semid.sem_otime != linux_semid64->sem_otime || linux_semid.sem_ctime != linux_semid64->sem_ctime || linux_semid.sem_nsems != linux_semid64->sem_nsems) return (EOVERFLOW); return (copyout(&linux_semid, uaddr, sizeof(linux_semid))); } } static int linux_shmid_pullup(l_int ver, struct l_shmid64_ds *linux_shmid64, caddr_t uaddr) { struct l_shmid_ds linux_shmid; int error; if (ver == LINUX_IPC_64 || SV_CURPROC_FLAG(SV_LP64)) return (copyin(uaddr, linux_shmid64, sizeof(*linux_shmid64))); else { error = copyin(uaddr, &linux_shmid, sizeof(linux_shmid)); if (error != 0) return (error); bzero(linux_shmid64, sizeof(*linux_shmid64)); linux_shmid64->shm_perm.uid = linux_shmid.shm_perm.uid; linux_shmid64->shm_perm.gid = linux_shmid.shm_perm.gid; linux_shmid64->shm_perm.mode = linux_shmid.shm_perm.mode; return (0); } } static int linux_shmid_pushdown(l_int ver, struct l_shmid64_ds *linux_shmid64, caddr_t uaddr) { struct l_shmid_ds linux_shmid; int error; if (ver == LINUX_IPC_64 || SV_CURPROC_FLAG(SV_LP64)) return (copyout(linux_shmid64, uaddr, sizeof(*linux_shmid64))); else { bzero(&linux_shmid, sizeof(linux_shmid)); error = linux_ipc64_perm_to_ipc_perm(&linux_shmid64->shm_perm, &linux_shmid.shm_perm); if (error != 0) return (error); linux_shmid.shm_segsz = linux_shmid64->shm_segsz; linux_shmid.shm_atime = linux_shmid64->shm_atime; linux_shmid.shm_dtime = linux_shmid64->shm_dtime; linux_shmid.shm_ctime = linux_shmid64->shm_ctime; linux_shmid.shm_cpid = linux_shmid64->shm_cpid; linux_shmid.shm_lpid = linux_shmid64->shm_lpid; linux_shmid.shm_nattch = linux_shmid64->shm_nattch; /* Linux does not check overflow */ if (linux_shmid.shm_segsz != linux_shmid64->shm_segsz || linux_shmid.shm_atime != linux_shmid64->shm_atime || linux_shmid.shm_dtime != linux_shmid64->shm_dtime || linux_shmid.shm_ctime != linux_shmid64->shm_ctime || linux_shmid.shm_cpid != linux_shmid64->shm_cpid || linux_shmid.shm_lpid != linux_shmid64->shm_lpid || linux_shmid.shm_nattch != linux_shmid64->shm_nattch) return (EOVERFLOW); return (copyout(&linux_shmid, uaddr, sizeof(linux_shmid))); } } static int linux_shminfo_pushdown(l_int ver, struct l_shminfo64 *linux_shminfo64, caddr_t uaddr) { struct l_shminfo linux_shminfo; if (ver == LINUX_IPC_64 || SV_CURPROC_FLAG(SV_LP64)) return (copyout(linux_shminfo64, uaddr, sizeof(*linux_shminfo64))); else { bzero(&linux_shminfo, sizeof(linux_shminfo)); linux_shminfo.shmmax = linux_shminfo64->shmmax; linux_shminfo.shmmin = linux_shminfo64->shmmin; linux_shminfo.shmmni = linux_shminfo64->shmmni; linux_shminfo.shmseg = linux_shminfo64->shmseg; linux_shminfo.shmall = linux_shminfo64->shmall; return (copyout(&linux_shminfo, uaddr, sizeof(linux_shminfo))); } } int linux_semop(struct thread *td, struct linux_semop_args *args) { struct semop_args /* { int semid; struct sembuf *sops; int nsops; } */ bsd_args; if (args->nsops < 1 || args->semid < 0) return (EINVAL); bsd_args.semid = args->semid; bsd_args.sops = PTRIN(args->tsops); bsd_args.nsops = args->nsops; return (sys_semop(td, &bsd_args)); } int linux_semget(struct thread *td, struct linux_semget_args *args) { struct semget_args /* { key_t key; int nsems; int semflg; } */ bsd_args; if (args->nsems < 0) return (EINVAL); bsd_args.key = args->key; bsd_args.nsems = args->nsems; bsd_args.semflg = args->semflg; return (sys_semget(td, &bsd_args)); } int linux_semctl(struct thread *td, struct linux_semctl_args *args) { struct l_semid64_ds linux_semid64; struct l_seminfo linux_seminfo; struct semid_ds semid; union semun semun; register_t rval; int cmd, error; switch (args->cmd & ~LINUX_IPC_64) { case LINUX_IPC_RMID: cmd = IPC_RMID; break; case LINUX_GETNCNT: cmd = GETNCNT; break; case LINUX_GETPID: cmd = GETPID; break; case LINUX_GETVAL: cmd = GETVAL; break; case LINUX_GETZCNT: cmd = GETZCNT; break; case LINUX_SETVAL: cmd = SETVAL; semun.val = args->arg.val; break; case LINUX_IPC_SET: cmd = IPC_SET; error = linux_semid_pullup(args->cmd & LINUX_IPC_64, &linux_semid64, PTRIN(args->arg.buf)); if (error != 0) return (error); linux_to_bsd_semid_ds(&linux_semid64, &semid); semun.buf = &semid; return (kern_semctl(td, args->semid, args->semnum, cmd, &semun, td->td_retval)); case LINUX_IPC_STAT: cmd = IPC_STAT; semun.buf = &semid; error = kern_semctl(td, args->semid, args->semnum, cmd, &semun, &rval); if (error != 0) return (error); bsd_to_linux_semid_ds(&semid, &linux_semid64); return (linux_semid_pushdown(args->cmd & LINUX_IPC_64, &linux_semid64, PTRIN(args->arg.buf))); case LINUX_SEM_STAT: cmd = SEM_STAT; semun.buf = &semid; error = kern_semctl(td, args->semid, args->semnum, cmd, &semun, &rval); if (error != 0) return (error); bsd_to_linux_semid_ds(&semid, &linux_semid64); error = linux_semid_pushdown(args->cmd & LINUX_IPC_64, &linux_semid64, PTRIN(args->arg.buf)); if (error == 0) td->td_retval[0] = rval; return (error); case LINUX_IPC_INFO: case LINUX_SEM_INFO: bcopy(&seminfo, &linux_seminfo.semmni, sizeof(linux_seminfo) - sizeof(linux_seminfo.semmap) ); /* * Linux does not use the semmap field but populates it with * the defined value from SEMMAP, which really is redefined to * SEMMNS, which they define as SEMMNI * SEMMSL. Try to * simulate this returning our dynamic semmns value. */ linux_seminfo.semmap = linux_seminfo.semmns; /* XXX BSD equivalent? #define used_semids 10 #define used_sems 10 linux_seminfo.semusz = used_semids; linux_seminfo.semaem = used_sems; */ error = copyout(&linux_seminfo, PTRIN(args->arg.buf), sizeof(linux_seminfo)); if (error != 0) return (error); /* * TODO: Linux return the last assigned id, not the semmni. */ td->td_retval[0] = seminfo.semmni; return (0); case LINUX_GETALL: cmd = GETALL; semun.array = PTRIN(args->arg.array); break; case LINUX_SETALL: cmd = SETALL; semun.array = PTRIN(args->arg.array); break; default: linux_msg(td, "ipc type %d is not implemented", args->cmd & ~LINUX_IPC_64); return (EINVAL); } return (kern_semctl(td, args->semid, args->semnum, cmd, &semun, td->td_retval)); } int linux_msgsnd(struct thread *td, struct linux_msgsnd_args *args) { const void *msgp; long mtype; l_long lmtype; int error; if ((l_long)args->msgsz < 0 || args->msgsz > (l_long)msginfo.msgmax) return (EINVAL); msgp = PTRIN(args->msgp); if ((error = copyin(msgp, &lmtype, sizeof(lmtype))) != 0) return (error); mtype = (long)lmtype; return (kern_msgsnd(td, args->msqid, (const char *)msgp + sizeof(lmtype), args->msgsz, args->msgflg, mtype)); } int linux_msgrcv(struct thread *td, struct linux_msgrcv_args *args) { void *msgp; long mtype; l_long lmtype; int error; if ((l_long)args->msgsz < 0 || args->msgsz > (l_long)msginfo.msgmax) return (EINVAL); msgp = PTRIN(args->msgp); if ((error = kern_msgrcv(td, args->msqid, (char *)msgp + sizeof(lmtype), args->msgsz, args->msgtyp, args->msgflg, &mtype)) != 0) return (error); lmtype = (l_long)mtype; return (copyout(&lmtype, msgp, sizeof(lmtype))); } int linux_msgget(struct thread *td, struct linux_msgget_args *args) { struct msgget_args /* { key_t key; int msgflg; } */ bsd_args; bsd_args.key = args->key; bsd_args.msgflg = args->msgflg; return (sys_msgget(td, &bsd_args)); } int linux_msgctl(struct thread *td, struct linux_msgctl_args *args) { int error, bsd_cmd; struct l_msqid64_ds linux_msqid64; struct msqid_ds bsd_msqid; bsd_cmd = args->cmd & ~LINUX_IPC_64; switch (bsd_cmd) { case LINUX_IPC_INFO: case LINUX_MSG_INFO: { struct l_msginfo linux_msginfo; /* * XXX MSG_INFO uses the same data structure but returns different * dynamic counters in msgpool, msgmap, and msgtql fields. */ linux_msginfo.msgpool = (long)msginfo.msgmni * (long)msginfo.msgmnb / 1024L; /* XXX MSG_INFO. */ linux_msginfo.msgmap = msginfo.msgmnb; /* XXX MSG_INFO. */ linux_msginfo.msgmax = msginfo.msgmax; linux_msginfo.msgmnb = msginfo.msgmnb; linux_msginfo.msgmni = msginfo.msgmni; linux_msginfo.msgssz = msginfo.msgssz; linux_msginfo.msgtql = msginfo.msgtql; /* XXX MSG_INFO. */ linux_msginfo.msgseg = msginfo.msgseg; error = copyout(&linux_msginfo, PTRIN(args->buf), sizeof(linux_msginfo)); if (error == 0) td->td_retval[0] = msginfo.msgmni; /* XXX */ return (error); } - /* - * TODO: implement this + /* + * TODO: implement this * case LINUX_MSG_STAT: */ case LINUX_IPC_STAT: /* NOTHING */ break; case LINUX_IPC_SET: error = linux_msqid_pullup(args->cmd & LINUX_IPC_64, &linux_msqid64, PTRIN(args->buf)); if (error != 0) return (error); linux_to_bsd_msqid_ds(&linux_msqid64, &bsd_msqid); break; case LINUX_IPC_RMID: /* NOTHING */ break; default: return (EINVAL); break; } error = kern_msgctl(td, args->msqid, bsd_cmd, &bsd_msqid); if (error != 0) { if (bsd_cmd == LINUX_IPC_RMID && error == EACCES) return (EPERM); if (bsd_cmd != LINUX_IPC_RMID || error != EINVAL) return (error); } if (bsd_cmd == LINUX_IPC_STAT) { bsd_to_linux_msqid_ds(&bsd_msqid, &linux_msqid64); return (linux_msqid_pushdown(args->cmd & LINUX_IPC_64, &linux_msqid64, PTRIN(args->buf))); } return (0); } int linux_shmat(struct thread *td, struct linux_shmat_args *args) { struct shmat_args /* { int shmid; void *shmaddr; int shmflg; } */ bsd_args; int error; #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) l_uintptr_t addr; #endif bsd_args.shmid = args->shmid; bsd_args.shmaddr = PTRIN(args->shmaddr); bsd_args.shmflg = args->shmflg; if ((error = sys_shmat(td, &bsd_args))) return (error); #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) addr = td->td_retval[0]; if ((error = copyout(&addr, PTRIN(args->raddr), sizeof(addr)))) return (error); td->td_retval[0] = 0; #endif return (0); } int linux_shmdt(struct thread *td, struct linux_shmdt_args *args) { struct shmdt_args /* { void *shmaddr; } */ bsd_args; bsd_args.shmaddr = PTRIN(args->shmaddr); return (sys_shmdt(td, &bsd_args)); } int linux_shmget(struct thread *td, struct linux_shmget_args *args) { struct shmget_args /* { key_t key; int size; int shmflg; } */ bsd_args; bsd_args.key = args->key; bsd_args.size = args->size; bsd_args.shmflg = args->shmflg; return (sys_shmget(td, &bsd_args)); } int linux_shmctl(struct thread *td, struct linux_shmctl_args *args) { struct l_shmid64_ds linux_shmid64; struct l_shminfo64 linux_shminfo64; struct l_shm_info linux_shm_info; struct shmid_ds bsd_shmid; int error; switch (args->cmd & ~LINUX_IPC_64) { case LINUX_IPC_INFO: { struct shminfo bsd_shminfo; /* Perform shmctl wanting removed segments lookup */ error = kern_shmctl(td, args->shmid, IPC_INFO, (void *)&bsd_shminfo, NULL); if (error != 0) return (error); bsd_to_linux_shminfo(&bsd_shminfo, &linux_shminfo64); return (linux_shminfo_pushdown(args->cmd & LINUX_IPC_64, &linux_shminfo64, PTRIN(args->buf))); } case LINUX_SHM_INFO: { struct shm_info bsd_shm_info; /* Perform shmctl wanting removed segments lookup */ error = kern_shmctl(td, args->shmid, SHM_INFO, (void *)&bsd_shm_info, NULL); if (error != 0) return (error); bsd_to_linux_shm_info(&bsd_shm_info, &linux_shm_info); return (copyout(&linux_shm_info, PTRIN(args->buf), sizeof(struct l_shm_info))); } case LINUX_IPC_STAT: /* Perform shmctl wanting removed segments lookup */ error = kern_shmctl(td, args->shmid, IPC_STAT, (void *)&bsd_shmid, NULL); if (error != 0) return (error); bsd_to_linux_shmid_ds(&bsd_shmid, &linux_shmid64); return (linux_shmid_pushdown(args->cmd & LINUX_IPC_64, &linux_shmid64, PTRIN(args->buf))); case LINUX_SHM_STAT: /* Perform shmctl wanting removed segments lookup */ error = kern_shmctl(td, args->shmid, IPC_STAT, (void *)&bsd_shmid, NULL); if (error != 0) return (error); bsd_to_linux_shmid_ds(&bsd_shmid, &linux_shmid64); return (linux_shmid_pushdown(args->cmd & LINUX_IPC_64, &linux_shmid64, PTRIN(args->buf))); case LINUX_IPC_SET: error = linux_shmid_pullup(args->cmd & LINUX_IPC_64, &linux_shmid64, PTRIN(args->buf)); if (error != 0) return (error); linux_to_bsd_shmid_ds(&linux_shmid64, &bsd_shmid); /* Perform shmctl wanting removed segments lookup */ return (kern_shmctl(td, args->shmid, IPC_SET, (void *)&bsd_shmid, NULL)); case LINUX_IPC_RMID: { void *buf; if (args->buf == 0) buf = NULL; else { error = linux_shmid_pullup(args->cmd & LINUX_IPC_64, &linux_shmid64, PTRIN(args->buf)); if (error != 0) return (error); linux_to_bsd_shmid_ds(&linux_shmid64, &bsd_shmid); buf = (void *)&bsd_shmid; } return (kern_shmctl(td, args->shmid, IPC_RMID, buf, NULL)); } case LINUX_SHM_LOCK: /* FALLTHROUGH */ case LINUX_SHM_UNLOCK: /* FALLTHROUGH */ default: linux_msg(td, "ipc type %d not implemented", args->cmd & ~LINUX_IPC_64); return (EINVAL); } } MODULE_DEPEND(linux, sysvmsg, 1, 1, 1); MODULE_DEPEND(linux, sysvsem, 1, 1, 1); MODULE_DEPEND(linux, sysvshm, 1, 1, 1); Index: head/sys/compat/linux/linux_ipc.h =================================================================== --- head/sys/compat/linux/linux_ipc.h (revision 328889) +++ head/sys/compat/linux/linux_ipc.h (revision 328890) @@ -1,184 +1,184 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2000 Marcel Moolenaar * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _LINUX_IPC_H_ #define _LINUX_IPC_H_ /* * SystemV IPC defines */ #define LINUX_SEMOP 1 #define LINUX_SEMGET 2 #define LINUX_SEMCTL 3 #define LINUX_MSGSND 11 #define LINUX_MSGRCV 12 #define LINUX_MSGGET 13 #define LINUX_MSGCTL 14 #define LINUX_SHMAT 21 #define LINUX_SHMDT 22 #define LINUX_SHMGET 23 #define LINUX_SHMCTL 24 #define LINUX_IPC_RMID 0 #define LINUX_IPC_SET 1 #define LINUX_IPC_STAT 2 #define LINUX_IPC_INFO 3 #define LINUX_MSG_INFO 12 #define LINUX_SHM_LOCK 11 #define LINUX_SHM_UNLOCK 12 #define LINUX_SHM_STAT 13 #define LINUX_SHM_INFO 14 #define LINUX_SHM_RDONLY 0x1000 #define LINUX_SHM_RND 0x2000 #define LINUX_SHM_REMAP 0x4000 /* semctl commands */ #define LINUX_GETPID 11 #define LINUX_GETVAL 12 #define LINUX_GETALL 13 #define LINUX_GETNCNT 14 #define LINUX_GETZCNT 15 #define LINUX_SETVAL 16 #define LINUX_SETALL 17 #define LINUX_SEM_STAT 18 #define LINUX_SEM_INFO 19 /* * Version flags for semctl, msgctl, and shmctl commands * These are passed as bitflags or-ed with the actual command */ #define LINUX_IPC_OLD 0 /* Old version (no 32-bit UID support on many architectures) */ #define LINUX_IPC_64 0x0100 /* New version (support 32-bit UIDs, bigger message sizes, etc. */ #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) -struct linux_msgctl_args +struct linux_msgctl_args { l_int msqid; l_int cmd; struct l_msqid_ds *buf; }; struct linux_msgget_args { l_key_t key; l_int msgflg; }; struct linux_msgrcv_args { l_int msqid; struct l_msgbuf *msgp; l_size_t msgsz; l_long msgtyp; l_int msgflg; }; struct linux_msgsnd_args { l_int msqid; struct l_msgbuf *msgp; l_size_t msgsz; l_int msgflg; }; struct linux_semctl_args { l_int semid; l_int semnum; l_int cmd; union l_semun arg; }; struct linux_semget_args { l_key_t key; l_int nsems; l_int semflg; }; struct linux_semop_args { l_int semid; struct l_sembuf *tsops; l_uint nsops; }; struct linux_shmat_args { l_int shmid; char *shmaddr; l_int shmflg; l_ulong *raddr; }; struct linux_shmctl_args { l_int shmid; l_int cmd; struct l_shmid_ds *buf; }; struct linux_shmdt_args { char *shmaddr; }; struct linux_shmget_args { l_key_t key; l_size_t size; l_int shmflg; }; int linux_msgctl(struct thread *, struct linux_msgctl_args *); int linux_msgget(struct thread *, struct linux_msgget_args *); int linux_msgrcv(struct thread *, struct linux_msgrcv_args *); int linux_msgsnd(struct thread *, struct linux_msgsnd_args *); int linux_semctl(struct thread *, struct linux_semctl_args *); int linux_semget(struct thread *, struct linux_semget_args *); int linux_semop(struct thread *, struct linux_semop_args *); int linux_shmat(struct thread *, struct linux_shmat_args *); int linux_shmctl(struct thread *, struct linux_shmctl_args *); int linux_shmdt(struct thread *, struct linux_shmdt_args *); int linux_shmget(struct thread *, struct linux_shmget_args *); #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ #endif /* _LINUX_IPC_H_ */ Index: head/sys/compat/linux/linux_ipc64.h =================================================================== --- head/sys/compat/linux/linux_ipc64.h (revision 328889) +++ head/sys/compat/linux/linux_ipc64.h (revision 328890) @@ -1,158 +1,158 @@ /*- * Copyright (c) 2002 Maxim Sobolev * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _LINUX_IPC64_H_ #define _LINUX_IPC64_H_ /* * The generic ipc64_perm structure. * Note extra padding because this structure is passed back and forth * between kernel and user space. * * Pad space is left for: * - 32-bit mode_t on architectures that only had 16 bit * - 32-bit seq * - 2 miscellaneous 32-bit values */ struct l_ipc64_perm { l_key_t key; l_uid_t uid; l_gid_t gid; l_uid_t cuid; l_gid_t cgid; l_mode_t mode; /* pad if mode_t is ushort: */ unsigned char __pad1[sizeof(l_int) - sizeof(l_mode_t)]; l_ushort seq; l_ushort __pad2; l_ulong __unused1; l_ulong __unused2; }; /* * The generic msqid64_ds structure fro x86 architecture. * Note extra padding because this structure is passed back and forth * between kernel and user space. * * Pad space is left for: * - 64-bit time_t to solve y2038 problem * - 2 miscellaneous 32-bit values */ struct l_msqid64_ds { struct l_ipc64_perm msg_perm; l_time_t msg_stime; /* last msgsnd time */ #if !defined(__LP64__) || defined(COMPAT_LINUX32) l_ulong __unused1; #endif l_time_t msg_rtime; /* last msgrcv time */ #if !defined(__LP64__) || defined(COMPAT_LINUX32) l_ulong __unused2; #endif l_time_t msg_ctime; /* last change time */ #if !defined(__LP64__) || defined(COMPAT_LINUX32) l_ulong __unused3; #endif l_ulong msg_cbytes; /* current number of bytes on queue */ l_ulong msg_qnum; /* number of messages in queue */ l_ulong msg_qbytes; /* max number of bytes on queue */ l_pid_t msg_lspid; /* pid of last msgsnd */ l_pid_t msg_lrpid; /* last receive pid */ l_ulong __unused4; l_ulong __unused5; }; /* * The generic semid64_ds structure for x86 architecture. * Note extra padding because this structure is passed back and forth * between kernel and user space. * * Pad space is left for: * - 64-bit time_t to solve y2038 problem * - 2 miscellaneous 32-bit values */ struct l_semid64_ds { struct l_ipc64_perm sem_perm; /* permissions */ l_time_t sem_otime; /* last semop time */ l_ulong __unused1; l_time_t sem_ctime; /* last change time */ l_ulong __unused2; l_ulong sem_nsems; /* no. of semaphores in array */ l_ulong __unused3; l_ulong __unused4; }; /* * The generic shmid64_ds structure for x86 architecture. * Note extra padding because this structure is passed back and forth * between kernel and user space. * * Pad space is left for: * - 64-bit time_t to solve y2038 problem * - 2 miscellaneous 32-bit values */ struct l_shmid64_ds { struct l_ipc64_perm shm_perm; /* operation perms */ l_size_t shm_segsz; /* size of segment (bytes) */ l_time_t shm_atime; /* last attach time */ #if !defined(__LP64__) || defined(COMPAT_LINUX32) l_ulong __unused1; #endif l_time_t shm_dtime; /* last detach time */ #if !defined(__LP64__) || defined(COMPAT_LINUX32) l_ulong __unused2; #endif l_time_t shm_ctime; /* last change time */ #if !defined(__LP64__) || defined(COMPAT_LINUX32) l_ulong __unused3; #endif l_pid_t shm_cpid; /* pid of creator */ l_pid_t shm_lpid; /* pid of last operator */ l_ulong shm_nattch; /* no. of current attaches */ l_ulong __unused4; l_ulong __unused5; }; struct l_shminfo64 { l_ulong shmmax; l_ulong shmmin; l_ulong shmmni; l_ulong shmseg; l_ulong shmall; - l_ulong __unused1; + l_ulong __unused1; l_ulong __unused2; l_ulong __unused3; l_ulong __unused4; }; #endif /* !LINUX_IPC64_H_ */ Index: head/sys/compat/linux/linux_misc.c =================================================================== --- head/sys/compat/linux/linux_misc.c (revision 328889) +++ head/sys/compat/linux/linux_misc.c (revision 328890) @@ -1,2552 +1,2552 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2002 Doug Rabson * Copyright (c) 1994-1995 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include "opt_compat.h" #include #include #include #if defined(__i386__) #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef COMPAT_LINUX32 #include #include #else #include #include #endif #include #include #include #include #include #include #include #include #include /** * Special DTrace provider for the linuxulator. * * In this file we define the provider for the entire linuxulator. All * modules (= files of the linuxulator) use it. * * We define a different name depending on the emulated bitsize, see * ../..//linux{,32}/linux.h, e.g.: * native bitsize = linuxulator * amd64, 32bit emulation = linuxulator32 */ LIN_SDT_PROVIDER_DEFINE(LINUX_DTRACE); int stclohz; /* Statistics clock frequency */ static unsigned int linux_to_bsd_resource[LINUX_RLIM_NLIMITS] = { RLIMIT_CPU, RLIMIT_FSIZE, RLIMIT_DATA, RLIMIT_STACK, RLIMIT_CORE, RLIMIT_RSS, RLIMIT_NPROC, RLIMIT_NOFILE, - RLIMIT_MEMLOCK, RLIMIT_AS + RLIMIT_MEMLOCK, RLIMIT_AS }; struct l_sysinfo { l_long uptime; /* Seconds since boot */ l_ulong loads[3]; /* 1, 5, and 15 minute load averages */ #define LINUX_SYSINFO_LOADS_SCALE 65536 l_ulong totalram; /* Total usable main memory size */ l_ulong freeram; /* Available memory size */ l_ulong sharedram; /* Amount of shared memory */ l_ulong bufferram; /* Memory used by buffers */ l_ulong totalswap; /* Total swap space size */ l_ulong freeswap; /* swap space still available */ l_ushort procs; /* Number of current processes */ l_ushort pads; l_ulong totalbig; l_ulong freebig; l_uint mem_unit; char _f[20-2*sizeof(l_long)-sizeof(l_int)]; /* padding */ }; struct l_pselect6arg { l_uintptr_t ss; l_size_t ss_len; }; static int linux_utimensat_nsec_valid(l_long); int linux_sysinfo(struct thread *td, struct linux_sysinfo_args *args) { struct l_sysinfo sysinfo; vm_object_t object; int i, j; struct timespec ts; bzero(&sysinfo, sizeof(sysinfo)); getnanouptime(&ts); if (ts.tv_nsec != 0) ts.tv_sec++; sysinfo.uptime = ts.tv_sec; /* Use the information from the mib to get our load averages */ for (i = 0; i < 3; i++) sysinfo.loads[i] = averunnable.ldavg[i] * LINUX_SYSINFO_LOADS_SCALE / averunnable.fscale; sysinfo.totalram = physmem * PAGE_SIZE; sysinfo.freeram = sysinfo.totalram - vm_cnt.v_wire_count * PAGE_SIZE; sysinfo.sharedram = 0; mtx_lock(&vm_object_list_mtx); TAILQ_FOREACH(object, &vm_object_list, object_list) if (object->shadow_count > 1) sysinfo.sharedram += object->resident_page_count; mtx_unlock(&vm_object_list_mtx); sysinfo.sharedram *= PAGE_SIZE; sysinfo.bufferram = 0; swap_pager_status(&i, &j); sysinfo.totalswap = i * PAGE_SIZE; sysinfo.freeswap = (i - j) * PAGE_SIZE; sysinfo.procs = nprocs; /* The following are only present in newer Linux kernels. */ sysinfo.totalbig = 0; sysinfo.freebig = 0; sysinfo.mem_unit = 1; return (copyout(&sysinfo, args->info, sizeof(sysinfo))); } int linux_alarm(struct thread *td, struct linux_alarm_args *args) { struct itimerval it, old_it; u_int secs; int error; #ifdef DEBUG if (ldebug(alarm)) printf(ARGS(alarm, "%u"), args->secs); #endif secs = args->secs; /* * Linux alarm() is always successful. Limit secs to INT32_MAX / 2 * to match kern_setitimer()'s limit to avoid error from it. * * XXX. Linux limit secs to INT_MAX on 32 and does not limit on 64-bit * platforms. */ if (secs > INT32_MAX / 2) secs = INT32_MAX / 2; it.it_value.tv_sec = secs; it.it_value.tv_usec = 0; timevalclear(&it.it_interval); error = kern_setitimer(td, ITIMER_REAL, &it, &old_it); KASSERT(error == 0, ("kern_setitimer returns %d", error)); if ((old_it.it_value.tv_sec == 0 && old_it.it_value.tv_usec > 0) || old_it.it_value.tv_usec >= 500000) old_it.it_value.tv_sec++; td->td_retval[0] = old_it.it_value.tv_sec; return (0); } int linux_brk(struct thread *td, struct linux_brk_args *args) { struct vmspace *vm = td->td_proc->p_vmspace; vm_offset_t new, old; struct obreak_args /* { char * nsize; } */ tmp; #ifdef DEBUG if (ldebug(brk)) printf(ARGS(brk, "%p"), (void *)(uintptr_t)args->dsend); #endif old = (vm_offset_t)vm->vm_daddr + ctob(vm->vm_dsize); new = (vm_offset_t)args->dsend; tmp.nsize = (char *)new; if (((caddr_t)new > vm->vm_daddr) && !sys_obreak(td, &tmp)) td->td_retval[0] = (long)new; else td->td_retval[0] = (long)old; return (0); } #if defined(__i386__) /* XXX: what about amd64/linux32? */ int linux_uselib(struct thread *td, struct linux_uselib_args *args) { struct nameidata ni; struct vnode *vp; struct exec *a_out; struct vattr attr; vm_offset_t vmaddr; unsigned long file_offset; unsigned long bss_size; char *library; ssize_t aresid; int error, locked, writecount; LCONVPATHEXIST(td, args->library, &library); #ifdef DEBUG if (ldebug(uselib)) printf(ARGS(uselib, "%s"), library); #endif a_out = NULL; locked = 0; vp = NULL; NDINIT(&ni, LOOKUP, ISOPEN | FOLLOW | LOCKLEAF | AUDITVNODE1, UIO_SYSSPACE, library, td); error = namei(&ni); LFREEPATH(library); if (error) goto cleanup; vp = ni.ni_vp; NDFREE(&ni, NDF_ONLY_PNBUF); /* * From here on down, we have a locked vnode that must be unlocked. * XXX: The code below largely duplicates exec_check_permissions(). */ locked = 1; /* Writable? */ error = VOP_GET_WRITECOUNT(vp, &writecount); if (error != 0) goto cleanup; if (writecount != 0) { error = ETXTBSY; goto cleanup; } /* Executable? */ error = VOP_GETATTR(vp, &attr, td->td_ucred); if (error) goto cleanup; if ((vp->v_mount->mnt_flag & MNT_NOEXEC) || ((attr.va_mode & 0111) == 0) || (attr.va_type != VREG)) { /* EACCESS is what exec(2) returns. */ error = ENOEXEC; goto cleanup; } /* Sensible size? */ if (attr.va_size == 0) { error = ENOEXEC; goto cleanup; } /* Can we access it? */ error = VOP_ACCESS(vp, VEXEC, td->td_ucred, td); if (error) goto cleanup; /* * XXX: This should use vn_open() so that it is properly authorized, * and to reduce code redundancy all over the place here. * XXX: Not really, it duplicates far more of exec_check_permissions() * than vn_open(). */ #ifdef MAC error = mac_vnode_check_open(td->td_ucred, vp, VREAD); if (error) goto cleanup; #endif error = VOP_OPEN(vp, FREAD, td->td_ucred, td, NULL); if (error) goto cleanup; /* Pull in executable header into exec_map */ error = vm_mmap(exec_map, (vm_offset_t *)&a_out, PAGE_SIZE, VM_PROT_READ, VM_PROT_READ, 0, OBJT_VNODE, vp, 0); if (error) goto cleanup; /* Is it a Linux binary ? */ if (((a_out->a_magic >> 16) & 0xff) != 0x64) { error = ENOEXEC; goto cleanup; } /* * While we are here, we should REALLY do some more checks */ /* Set file/virtual offset based on a.out variant. */ switch ((int)(a_out->a_magic & 0xffff)) { case 0413: /* ZMAGIC */ file_offset = 1024; break; case 0314: /* QMAGIC */ file_offset = 0; break; default: error = ENOEXEC; goto cleanup; } bss_size = round_page(a_out->a_bss); /* Check various fields in header for validity/bounds. */ if (a_out->a_text & PAGE_MASK || a_out->a_data & PAGE_MASK) { error = ENOEXEC; goto cleanup; } /* text + data can't exceed file size */ if (a_out->a_data + a_out->a_text > attr.va_size) { error = EFAULT; goto cleanup; } /* * text/data/bss must not exceed limits * XXX - this is not complete. it should check current usage PLUS * the resources needed by this library. */ PROC_LOCK(td->td_proc); if (a_out->a_text > maxtsiz || a_out->a_data + bss_size > lim_cur_proc(td->td_proc, RLIMIT_DATA) || racct_set(td->td_proc, RACCT_DATA, a_out->a_data + bss_size) != 0) { PROC_UNLOCK(td->td_proc); error = ENOMEM; goto cleanup; } PROC_UNLOCK(td->td_proc); /* * Prevent more writers. * XXX: Note that if any of the VM operations fail below we don't * clear this flag. */ VOP_SET_TEXT(vp); /* * Lock no longer needed */ locked = 0; VOP_UNLOCK(vp, 0); /* * Check if file_offset page aligned. Currently we cannot handle * misalinged file offsets, and so we read in the entire image * (what a waste). */ if (file_offset & PAGE_MASK) { #ifdef DEBUG printf("uselib: Non page aligned binary %lu\n", file_offset); #endif /* Map text+data read/write/execute */ /* a_entry is the load address and is page aligned */ vmaddr = trunc_page(a_out->a_entry); /* get anon user mapping, read+write+execute */ error = vm_map_find(&td->td_proc->p_vmspace->vm_map, NULL, 0, &vmaddr, a_out->a_text + a_out->a_data, 0, VMFS_NO_SPACE, VM_PROT_ALL, VM_PROT_ALL, 0); if (error) goto cleanup; error = vn_rdwr(UIO_READ, vp, (void *)vmaddr, file_offset, a_out->a_text + a_out->a_data, UIO_USERSPACE, 0, td->td_ucred, NOCRED, &aresid, td); if (error != 0) goto cleanup; if (aresid != 0) { error = ENOEXEC; goto cleanup; } } else { #ifdef DEBUG printf("uselib: Page aligned binary %lu\n", file_offset); #endif /* * for QMAGIC, a_entry is 20 bytes beyond the load address * to skip the executable header */ vmaddr = trunc_page(a_out->a_entry); /* * Map it all into the process's space as a single * copy-on-write "data" segment. */ error = vm_mmap(&td->td_proc->p_vmspace->vm_map, &vmaddr, a_out->a_text + a_out->a_data, VM_PROT_ALL, VM_PROT_ALL, MAP_PRIVATE | MAP_FIXED, OBJT_VNODE, vp, file_offset); if (error) goto cleanup; } #ifdef DEBUG printf("mem=%08lx = %08lx %08lx\n", (long)vmaddr, ((long *)vmaddr)[0], ((long *)vmaddr)[1]); #endif if (bss_size != 0) { /* Calculate BSS start address */ vmaddr = trunc_page(a_out->a_entry) + a_out->a_text + a_out->a_data; /* allocate some 'anon' space */ error = vm_map_find(&td->td_proc->p_vmspace->vm_map, NULL, 0, &vmaddr, bss_size, 0, VMFS_NO_SPACE, VM_PROT_ALL, VM_PROT_ALL, 0); if (error) goto cleanup; } cleanup: /* Unlock vnode if needed */ if (locked) VOP_UNLOCK(vp, 0); /* Release the temporary mapping. */ if (a_out) kmap_free_wakeup(exec_map, (vm_offset_t)a_out, PAGE_SIZE); return (error); } #endif /* __i386__ */ int linux_select(struct thread *td, struct linux_select_args *args) { l_timeval ltv; struct timeval tv0, tv1, utv, *tvp; int error; #ifdef DEBUG if (ldebug(select)) printf(ARGS(select, "%d, %p, %p, %p, %p"), args->nfds, (void *)args->readfds, (void *)args->writefds, (void *)args->exceptfds, (void *)args->timeout); #endif /* * Store current time for computation of the amount of * time left. */ if (args->timeout) { if ((error = copyin(args->timeout, <v, sizeof(ltv)))) goto select_out; utv.tv_sec = ltv.tv_sec; utv.tv_usec = ltv.tv_usec; #ifdef DEBUG if (ldebug(select)) printf(LMSG("incoming timeout (%jd/%ld)"), (intmax_t)utv.tv_sec, utv.tv_usec); #endif if (itimerfix(&utv)) { /* * The timeval was invalid. Convert it to something * valid that will act as it does under Linux. */ utv.tv_sec += utv.tv_usec / 1000000; utv.tv_usec %= 1000000; if (utv.tv_usec < 0) { utv.tv_sec -= 1; utv.tv_usec += 1000000; } if (utv.tv_sec < 0) timevalclear(&utv); } microtime(&tv0); tvp = &utv; } else tvp = NULL; error = kern_select(td, args->nfds, args->readfds, args->writefds, args->exceptfds, tvp, LINUX_NFDBITS); #ifdef DEBUG if (ldebug(select)) printf(LMSG("real select returns %d"), error); #endif if (error) goto select_out; if (args->timeout) { if (td->td_retval[0]) { /* * Compute how much time was left of the timeout, * by subtracting the current time and the time * before we started the call, and subtracting * that result from the user-supplied value. */ microtime(&tv1); timevalsub(&tv1, &tv0); timevalsub(&utv, &tv1); if (utv.tv_sec < 0) timevalclear(&utv); } else timevalclear(&utv); #ifdef DEBUG if (ldebug(select)) printf(LMSG("outgoing timeout (%jd/%ld)"), (intmax_t)utv.tv_sec, utv.tv_usec); #endif ltv.tv_sec = utv.tv_sec; ltv.tv_usec = utv.tv_usec; if ((error = copyout(<v, args->timeout, sizeof(ltv)))) goto select_out; } select_out: #ifdef DEBUG if (ldebug(select)) printf(LMSG("select_out -> %d"), error); #endif return (error); } int linux_mremap(struct thread *td, struct linux_mremap_args *args) { uintptr_t addr; size_t len; int error = 0; #ifdef DEBUG if (ldebug(mremap)) printf(ARGS(mremap, "%p, %08lx, %08lx, %08lx"), (void *)(uintptr_t)args->addr, (unsigned long)args->old_len, (unsigned long)args->new_len, (unsigned long)args->flags); #endif if (args->flags & ~(LINUX_MREMAP_FIXED | LINUX_MREMAP_MAYMOVE)) { td->td_retval[0] = 0; return (EINVAL); } /* * Check for the page alignment. * Linux defines PAGE_MASK to be FreeBSD ~PAGE_MASK. */ if (args->addr & PAGE_MASK) { td->td_retval[0] = 0; return (EINVAL); } args->new_len = round_page(args->new_len); args->old_len = round_page(args->old_len); if (args->new_len > args->old_len) { td->td_retval[0] = 0; return (ENOMEM); } if (args->new_len < args->old_len) { addr = args->addr + args->new_len; len = args->old_len - args->new_len; error = kern_munmap(td, addr, len); } td->td_retval[0] = error ? 0 : (uintptr_t)args->addr; return (error); } #define LINUX_MS_ASYNC 0x0001 #define LINUX_MS_INVALIDATE 0x0002 #define LINUX_MS_SYNC 0x0004 int linux_msync(struct thread *td, struct linux_msync_args *args) { return (kern_msync(td, args->addr, args->len, args->fl & ~LINUX_MS_SYNC)); } int linux_time(struct thread *td, struct linux_time_args *args) { struct timeval tv; l_time_t tm; int error; #ifdef DEBUG if (ldebug(time)) printf(ARGS(time, "*")); #endif microtime(&tv); tm = tv.tv_sec; if (args->tm && (error = copyout(&tm, args->tm, sizeof(tm)))) return (error); td->td_retval[0] = tm; return (0); } struct l_times_argv { l_clock_t tms_utime; l_clock_t tms_stime; l_clock_t tms_cutime; l_clock_t tms_cstime; }; /* * Glibc versions prior to 2.2.1 always use hard-coded CLK_TCK value. * Since 2.2.1 Glibc uses value exported from kernel via AT_CLKTCK * auxiliary vector entry. */ #define CLK_TCK 100 #define CONVOTCK(r) (r.tv_sec * CLK_TCK + r.tv_usec / (1000000 / CLK_TCK)) #define CONVNTCK(r) (r.tv_sec * stclohz + r.tv_usec / (1000000 / stclohz)) #define CONVTCK(r) (linux_kernver(td) >= LINUX_KERNVER_2004000 ? \ CONVNTCK(r) : CONVOTCK(r)) int linux_times(struct thread *td, struct linux_times_args *args) { struct timeval tv, utime, stime, cutime, cstime; struct l_times_argv tms; struct proc *p; int error; #ifdef DEBUG if (ldebug(times)) printf(ARGS(times, "*")); #endif if (args->buf != NULL) { p = td->td_proc; PROC_LOCK(p); PROC_STATLOCK(p); calcru(p, &utime, &stime); PROC_STATUNLOCK(p); calccru(p, &cutime, &cstime); PROC_UNLOCK(p); tms.tms_utime = CONVTCK(utime); tms.tms_stime = CONVTCK(stime); tms.tms_cutime = CONVTCK(cutime); tms.tms_cstime = CONVTCK(cstime); if ((error = copyout(&tms, args->buf, sizeof(tms)))) return (error); } microuptime(&tv); td->td_retval[0] = (int)CONVTCK(tv); return (0); } int linux_newuname(struct thread *td, struct linux_newuname_args *args) { struct l_new_utsname utsname; char osname[LINUX_MAX_UTSNAME]; char osrelease[LINUX_MAX_UTSNAME]; char *p; #ifdef DEBUG if (ldebug(newuname)) printf(ARGS(newuname, "*")); #endif linux_get_osname(td, osname); linux_get_osrelease(td, osrelease); bzero(&utsname, sizeof(utsname)); strlcpy(utsname.sysname, osname, LINUX_MAX_UTSNAME); getcredhostname(td->td_ucred, utsname.nodename, LINUX_MAX_UTSNAME); getcreddomainname(td->td_ucred, utsname.domainname, LINUX_MAX_UTSNAME); strlcpy(utsname.release, osrelease, LINUX_MAX_UTSNAME); strlcpy(utsname.version, version, LINUX_MAX_UTSNAME); for (p = utsname.version; *p != '\0'; ++p) if (*p == '\n') { *p = '\0'; break; } strlcpy(utsname.machine, linux_kplatform, LINUX_MAX_UTSNAME); return (copyout(&utsname, args->buf, sizeof(utsname))); } struct l_utimbuf { l_time_t l_actime; l_time_t l_modtime; }; int linux_utime(struct thread *td, struct linux_utime_args *args) { struct timeval tv[2], *tvp; struct l_utimbuf lut; char *fname; int error; LCONVPATHEXIST(td, args->fname, &fname); #ifdef DEBUG if (ldebug(utime)) printf(ARGS(utime, "%s, *"), fname); #endif if (args->times) { if ((error = copyin(args->times, &lut, sizeof lut))) { LFREEPATH(fname); return (error); } tv[0].tv_sec = lut.l_actime; tv[0].tv_usec = 0; tv[1].tv_sec = lut.l_modtime; tv[1].tv_usec = 0; tvp = tv; } else tvp = NULL; error = kern_utimesat(td, AT_FDCWD, fname, UIO_SYSSPACE, tvp, UIO_SYSSPACE); LFREEPATH(fname); return (error); } int linux_utimes(struct thread *td, struct linux_utimes_args *args) { l_timeval ltv[2]; struct timeval tv[2], *tvp = NULL; char *fname; int error; LCONVPATHEXIST(td, args->fname, &fname); #ifdef DEBUG if (ldebug(utimes)) printf(ARGS(utimes, "%s, *"), fname); #endif if (args->tptr != NULL) { if ((error = copyin(args->tptr, ltv, sizeof ltv))) { LFREEPATH(fname); return (error); } tv[0].tv_sec = ltv[0].tv_sec; tv[0].tv_usec = ltv[0].tv_usec; tv[1].tv_sec = ltv[1].tv_sec; tv[1].tv_usec = ltv[1].tv_usec; tvp = tv; } error = kern_utimesat(td, AT_FDCWD, fname, UIO_SYSSPACE, tvp, UIO_SYSSPACE); LFREEPATH(fname); return (error); } static int linux_utimensat_nsec_valid(l_long nsec) { if (nsec == LINUX_UTIME_OMIT || nsec == LINUX_UTIME_NOW) return (0); if (nsec >= 0 && nsec <= 999999999) return (0); return (1); } -int +int linux_utimensat(struct thread *td, struct linux_utimensat_args *args) { struct l_timespec l_times[2]; struct timespec times[2], *timesp = NULL; char *path = NULL; int error, dfd, flags = 0; dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; #ifdef DEBUG if (ldebug(utimensat)) printf(ARGS(utimensat, "%d, *"), dfd); #endif if (args->flags & ~LINUX_AT_SYMLINK_NOFOLLOW) return (EINVAL); if (args->times != NULL) { error = copyin(args->times, l_times, sizeof(l_times)); if (error != 0) return (error); if (linux_utimensat_nsec_valid(l_times[0].tv_nsec) != 0 || linux_utimensat_nsec_valid(l_times[1].tv_nsec) != 0) return (EINVAL); times[0].tv_sec = l_times[0].tv_sec; switch (l_times[0].tv_nsec) { case LINUX_UTIME_OMIT: times[0].tv_nsec = UTIME_OMIT; break; case LINUX_UTIME_NOW: times[0].tv_nsec = UTIME_NOW; break; default: times[0].tv_nsec = l_times[0].tv_nsec; } times[1].tv_sec = l_times[1].tv_sec; switch (l_times[1].tv_nsec) { case LINUX_UTIME_OMIT: times[1].tv_nsec = UTIME_OMIT; break; case LINUX_UTIME_NOW: times[1].tv_nsec = UTIME_NOW; break; default: times[1].tv_nsec = l_times[1].tv_nsec; break; } timesp = times; /* This breaks POSIX, but is what the Linux kernel does * _on purpose_ (documented in the man page for utimensat(2)), * so we must follow that behaviour. */ if (times[0].tv_nsec == UTIME_OMIT && times[1].tv_nsec == UTIME_OMIT) return (0); } if (args->pathname != NULL) LCONVPATHEXIST_AT(td, args->pathname, &path, dfd); else if (args->flags != 0) return (EINVAL); if (args->flags & LINUX_AT_SYMLINK_NOFOLLOW) flags |= AT_SYMLINK_NOFOLLOW; if (path == NULL) error = kern_futimens(td, dfd, timesp, UIO_SYSSPACE); else { error = kern_utimensat(td, dfd, path, UIO_SYSSPACE, timesp, - UIO_SYSSPACE, flags); + UIO_SYSSPACE, flags); LFREEPATH(path); } return (error); } int linux_futimesat(struct thread *td, struct linux_futimesat_args *args) { l_timeval ltv[2]; struct timeval tv[2], *tvp = NULL; char *fname; int error, dfd; dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; LCONVPATHEXIST_AT(td, args->filename, &fname, dfd); #ifdef DEBUG if (ldebug(futimesat)) printf(ARGS(futimesat, "%s, *"), fname); #endif if (args->utimes != NULL) { if ((error = copyin(args->utimes, ltv, sizeof ltv))) { LFREEPATH(fname); return (error); } tv[0].tv_sec = ltv[0].tv_sec; tv[0].tv_usec = ltv[0].tv_usec; tv[1].tv_sec = ltv[1].tv_sec; tv[1].tv_usec = ltv[1].tv_usec; tvp = tv; } error = kern_utimesat(td, dfd, fname, UIO_SYSSPACE, tvp, UIO_SYSSPACE); LFREEPATH(fname); return (error); } int linux_common_wait(struct thread *td, int pid, int *status, int options, struct rusage *ru) { int error, tmpstat; error = kern_wait(td, pid, &tmpstat, options, ru); if (error) return (error); if (status) { tmpstat &= 0xffff; if (WIFSIGNALED(tmpstat)) tmpstat = (tmpstat & 0xffffff80) | bsd_to_linux_signal(WTERMSIG(tmpstat)); else if (WIFSTOPPED(tmpstat)) tmpstat = (tmpstat & 0xffff00ff) | (bsd_to_linux_signal(WSTOPSIG(tmpstat)) << 8); else if (WIFCONTINUED(tmpstat)) tmpstat = 0xffff; error = copyout(&tmpstat, status, sizeof(int)); } return (error); } #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) int linux_waitpid(struct thread *td, struct linux_waitpid_args *args) { struct linux_wait4_args wait4_args; #ifdef DEBUG if (ldebug(waitpid)) printf(ARGS(waitpid, "%d, %p, %d"), args->pid, (void *)args->status, args->options); #endif wait4_args.pid = args->pid; wait4_args.status = args->status; wait4_args.options = args->options; wait4_args.rusage = NULL; return (linux_wait4(td, &wait4_args)); } #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ int linux_wait4(struct thread *td, struct linux_wait4_args *args) { int error, options; struct rusage ru, *rup; #ifdef DEBUG if (ldebug(wait4)) printf(ARGS(wait4, "%d, %p, %d, %p"), args->pid, (void *)args->status, args->options, (void *)args->rusage); #endif if (args->options & ~(LINUX_WUNTRACED | LINUX_WNOHANG | LINUX_WCONTINUED | __WCLONE | __WNOTHREAD | __WALL)) return (EINVAL); options = WEXITED; linux_to_bsd_waitopts(args->options, &options); if (args->rusage != NULL) rup = &ru; else rup = NULL; error = linux_common_wait(td, args->pid, args->status, options, rup); if (error != 0) return (error); if (args->rusage != NULL) error = linux_copyout_rusage(&ru, args->rusage); return (error); } int linux_waitid(struct thread *td, struct linux_waitid_args *args) { int status, options, sig; struct __wrusage wru; siginfo_t siginfo; l_siginfo_t lsi; idtype_t idtype; struct proc *p; int error; options = 0; linux_to_bsd_waitopts(args->options, &options); if (options & ~(WNOHANG | WNOWAIT | WEXITED | WUNTRACED | WCONTINUED)) return (EINVAL); if (!(options & (WEXITED | WUNTRACED | WCONTINUED))) return (EINVAL); switch (args->idtype) { case LINUX_P_ALL: idtype = P_ALL; break; case LINUX_P_PID: if (args->id <= 0) return (EINVAL); idtype = P_PID; break; case LINUX_P_PGID: if (args->id <= 0) return (EINVAL); idtype = P_PGID; break; default: return (EINVAL); } error = kern_wait6(td, idtype, args->id, &status, options, &wru, &siginfo); if (error != 0) return (error); if (args->rusage != NULL) { error = linux_copyout_rusage(&wru.wru_children, args->rusage); if (error != 0) return (error); } if (args->info != NULL) { p = td->td_proc; if (td->td_retval[0] == 0) bzero(&lsi, sizeof(lsi)); else { sig = bsd_to_linux_signal(siginfo.si_signo); siginfo_to_lsiginfo(&siginfo, &lsi, sig); } error = copyout(&lsi, args->info, sizeof(lsi)); } td->td_retval[0] = 0; return (error); } int linux_mknod(struct thread *td, struct linux_mknod_args *args) { char *path; int error; LCONVPATHCREAT(td, args->path, &path); #ifdef DEBUG if (ldebug(mknod)) printf(ARGS(mknod, "%s, %d, %ju"), path, args->mode, (uintmax_t)args->dev); #endif switch (args->mode & S_IFMT) { case S_IFIFO: case S_IFSOCK: error = kern_mkfifoat(td, AT_FDCWD, path, UIO_SYSSPACE, args->mode); break; case S_IFCHR: case S_IFBLK: error = kern_mknodat(td, AT_FDCWD, path, UIO_SYSSPACE, args->mode, args->dev); break; case S_IFDIR: error = EPERM; break; case 0: args->mode |= S_IFREG; /* FALLTHROUGH */ case S_IFREG: error = kern_openat(td, AT_FDCWD, path, UIO_SYSSPACE, O_WRONLY | O_CREAT | O_TRUNC, args->mode); if (error == 0) kern_close(td, td->td_retval[0]); break; default: error = EINVAL; break; } LFREEPATH(path); return (error); } int linux_mknodat(struct thread *td, struct linux_mknodat_args *args) { char *path; int error, dfd; dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; LCONVPATHCREAT_AT(td, args->filename, &path, dfd); #ifdef DEBUG if (ldebug(mknodat)) printf(ARGS(mknodat, "%s, %d, %d"), path, args->mode, args->dev); #endif switch (args->mode & S_IFMT) { case S_IFIFO: case S_IFSOCK: error = kern_mkfifoat(td, dfd, path, UIO_SYSSPACE, args->mode); break; case S_IFCHR: case S_IFBLK: error = kern_mknodat(td, dfd, path, UIO_SYSSPACE, args->mode, args->dev); break; case S_IFDIR: error = EPERM; break; case 0: args->mode |= S_IFREG; /* FALLTHROUGH */ case S_IFREG: error = kern_openat(td, dfd, path, UIO_SYSSPACE, O_WRONLY | O_CREAT | O_TRUNC, args->mode); if (error == 0) kern_close(td, td->td_retval[0]); break; default: error = EINVAL; break; } LFREEPATH(path); return (error); } /* * UGH! This is just about the dumbest idea I've ever heard!! */ int linux_personality(struct thread *td, struct linux_personality_args *args) { struct linux_pemuldata *pem; struct proc *p = td->td_proc; uint32_t old; #ifdef DEBUG if (ldebug(personality)) printf(ARGS(personality, "%u"), args->per); #endif PROC_LOCK(p); pem = pem_find(p); old = pem->persona; if (args->per != 0xffffffff) pem->persona = args->per; PROC_UNLOCK(p); td->td_retval[0] = old; return (0); } struct l_itimerval { l_timeval it_interval; l_timeval it_value; }; -#define B2L_ITIMERVAL(bip, lip) \ +#define B2L_ITIMERVAL(bip, lip) \ (bip)->it_interval.tv_sec = (lip)->it_interval.tv_sec; \ (bip)->it_interval.tv_usec = (lip)->it_interval.tv_usec; \ (bip)->it_value.tv_sec = (lip)->it_value.tv_sec; \ (bip)->it_value.tv_usec = (lip)->it_value.tv_usec; int linux_setitimer(struct thread *td, struct linux_setitimer_args *uap) { int error; struct l_itimerval ls; struct itimerval aitv, oitv; #ifdef DEBUG if (ldebug(setitimer)) printf(ARGS(setitimer, "%p, %p"), (void *)uap->itv, (void *)uap->oitv); #endif if (uap->itv == NULL) { uap->itv = uap->oitv; return (linux_getitimer(td, (struct linux_getitimer_args *)uap)); } error = copyin(uap->itv, &ls, sizeof(ls)); if (error != 0) return (error); B2L_ITIMERVAL(&aitv, &ls); #ifdef DEBUG if (ldebug(setitimer)) { printf("setitimer: value: sec: %jd, usec: %ld\n", (intmax_t)aitv.it_value.tv_sec, aitv.it_value.tv_usec); printf("setitimer: interval: sec: %jd, usec: %ld\n", (intmax_t)aitv.it_interval.tv_sec, aitv.it_interval.tv_usec); } #endif error = kern_setitimer(td, uap->which, &aitv, &oitv); if (error != 0 || uap->oitv == NULL) return (error); B2L_ITIMERVAL(&ls, &oitv); return (copyout(&ls, uap->oitv, sizeof(ls))); } int linux_getitimer(struct thread *td, struct linux_getitimer_args *uap) { int error; struct l_itimerval ls; struct itimerval aitv; #ifdef DEBUG if (ldebug(getitimer)) printf(ARGS(getitimer, "%p"), (void *)uap->itv); #endif error = kern_getitimer(td, uap->which, &aitv); if (error != 0) return (error); B2L_ITIMERVAL(&ls, &aitv); return (copyout(&ls, uap->itv, sizeof(ls))); } #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) int linux_nice(struct thread *td, struct linux_nice_args *args) { struct setpriority_args bsd_args; bsd_args.which = PRIO_PROCESS; bsd_args.who = 0; /* current process */ bsd_args.prio = args->inc; return (sys_setpriority(td, &bsd_args)); } #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ int linux_setgroups(struct thread *td, struct linux_setgroups_args *args) { struct ucred *newcred, *oldcred; l_gid_t *linux_gidset; gid_t *bsd_gidset; int ngrp, error; struct proc *p; ngrp = args->gidsetsize; if (ngrp < 0 || ngrp >= ngroups_max + 1) return (EINVAL); linux_gidset = malloc(ngrp * sizeof(*linux_gidset), M_LINUX, M_WAITOK); error = copyin(args->grouplist, linux_gidset, ngrp * sizeof(l_gid_t)); if (error) goto out; newcred = crget(); crextend(newcred, ngrp + 1); p = td->td_proc; PROC_LOCK(p); oldcred = p->p_ucred; crcopy(newcred, oldcred); /* * cr_groups[0] holds egid. Setting the whole set from * the supplied set will cause egid to be changed too. * Keep cr_groups[0] unchanged to prevent that. */ if ((error = priv_check_cred(oldcred, PRIV_CRED_SETGROUPS, 0)) != 0) { PROC_UNLOCK(p); crfree(newcred); goto out; } if (ngrp > 0) { newcred->cr_ngroups = ngrp + 1; bsd_gidset = newcred->cr_groups; ngrp--; while (ngrp >= 0) { bsd_gidset[ngrp + 1] = linux_gidset[ngrp]; ngrp--; } } else newcred->cr_ngroups = 1; setsugid(p); proc_set_cred(p, newcred); PROC_UNLOCK(p); crfree(oldcred); error = 0; out: free(linux_gidset, M_LINUX); return (error); } int linux_getgroups(struct thread *td, struct linux_getgroups_args *args) { struct ucred *cred; l_gid_t *linux_gidset; gid_t *bsd_gidset; int bsd_gidsetsz, ngrp, error; cred = td->td_ucred; bsd_gidset = cred->cr_groups; bsd_gidsetsz = cred->cr_ngroups - 1; /* * cr_groups[0] holds egid. Returning the whole set * here will cause a duplicate. Exclude cr_groups[0] * to prevent that. */ if ((ngrp = args->gidsetsize) == 0) { td->td_retval[0] = bsd_gidsetsz; return (0); } if (ngrp < bsd_gidsetsz) return (EINVAL); ngrp = 0; linux_gidset = malloc(bsd_gidsetsz * sizeof(*linux_gidset), M_LINUX, M_WAITOK); while (ngrp < bsd_gidsetsz) { linux_gidset[ngrp] = bsd_gidset[ngrp + 1]; ngrp++; } error = copyout(linux_gidset, args->grouplist, ngrp * sizeof(l_gid_t)); free(linux_gidset, M_LINUX); if (error) return (error); td->td_retval[0] = ngrp; return (0); } int linux_setrlimit(struct thread *td, struct linux_setrlimit_args *args) { struct rlimit bsd_rlim; struct l_rlimit rlim; u_int which; int error; #ifdef DEBUG if (ldebug(setrlimit)) printf(ARGS(setrlimit, "%d, %p"), args->resource, (void *)args->rlim); #endif if (args->resource >= LINUX_RLIM_NLIMITS) return (EINVAL); which = linux_to_bsd_resource[args->resource]; if (which == -1) return (EINVAL); error = copyin(args->rlim, &rlim, sizeof(rlim)); if (error) return (error); bsd_rlim.rlim_cur = (rlim_t)rlim.rlim_cur; bsd_rlim.rlim_max = (rlim_t)rlim.rlim_max; return (kern_setrlimit(td, which, &bsd_rlim)); } #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) int linux_old_getrlimit(struct thread *td, struct linux_old_getrlimit_args *args) { struct l_rlimit rlim; struct rlimit bsd_rlim; u_int which; #ifdef DEBUG if (ldebug(old_getrlimit)) printf(ARGS(old_getrlimit, "%d, %p"), args->resource, (void *)args->rlim); #endif if (args->resource >= LINUX_RLIM_NLIMITS) return (EINVAL); which = linux_to_bsd_resource[args->resource]; if (which == -1) return (EINVAL); lim_rlimit(td, which, &bsd_rlim); #ifdef COMPAT_LINUX32 rlim.rlim_cur = (unsigned int)bsd_rlim.rlim_cur; if (rlim.rlim_cur == UINT_MAX) rlim.rlim_cur = INT_MAX; rlim.rlim_max = (unsigned int)bsd_rlim.rlim_max; if (rlim.rlim_max == UINT_MAX) rlim.rlim_max = INT_MAX; #else rlim.rlim_cur = (unsigned long)bsd_rlim.rlim_cur; if (rlim.rlim_cur == ULONG_MAX) rlim.rlim_cur = LONG_MAX; rlim.rlim_max = (unsigned long)bsd_rlim.rlim_max; if (rlim.rlim_max == ULONG_MAX) rlim.rlim_max = LONG_MAX; #endif return (copyout(&rlim, args->rlim, sizeof(rlim))); } #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ int linux_getrlimit(struct thread *td, struct linux_getrlimit_args *args) { struct l_rlimit rlim; struct rlimit bsd_rlim; u_int which; #ifdef DEBUG if (ldebug(getrlimit)) printf(ARGS(getrlimit, "%d, %p"), args->resource, (void *)args->rlim); #endif if (args->resource >= LINUX_RLIM_NLIMITS) return (EINVAL); which = linux_to_bsd_resource[args->resource]; if (which == -1) return (EINVAL); lim_rlimit(td, which, &bsd_rlim); rlim.rlim_cur = (l_ulong)bsd_rlim.rlim_cur; rlim.rlim_max = (l_ulong)bsd_rlim.rlim_max; return (copyout(&rlim, args->rlim, sizeof(rlim))); } int linux_sched_setscheduler(struct thread *td, struct linux_sched_setscheduler_args *args) { struct sched_param sched_param; struct thread *tdt; int error, policy; #ifdef DEBUG if (ldebug(sched_setscheduler)) printf(ARGS(sched_setscheduler, "%d, %d, %p"), args->pid, args->policy, (const void *)args->param); #endif switch (args->policy) { case LINUX_SCHED_OTHER: policy = SCHED_OTHER; break; case LINUX_SCHED_FIFO: policy = SCHED_FIFO; break; case LINUX_SCHED_RR: policy = SCHED_RR; break; default: return (EINVAL); } error = copyin(args->param, &sched_param, sizeof(sched_param)); if (error) return (error); tdt = linux_tdfind(td, args->pid, -1); if (tdt == NULL) return (ESRCH); error = kern_sched_setscheduler(td, tdt, policy, &sched_param); PROC_UNLOCK(tdt->td_proc); return (error); } int linux_sched_getscheduler(struct thread *td, struct linux_sched_getscheduler_args *args) { struct thread *tdt; int error, policy; #ifdef DEBUG if (ldebug(sched_getscheduler)) printf(ARGS(sched_getscheduler, "%d"), args->pid); #endif tdt = linux_tdfind(td, args->pid, -1); if (tdt == NULL) return (ESRCH); error = kern_sched_getscheduler(td, tdt, &policy); PROC_UNLOCK(tdt->td_proc); switch (policy) { case SCHED_OTHER: td->td_retval[0] = LINUX_SCHED_OTHER; break; case SCHED_FIFO: td->td_retval[0] = LINUX_SCHED_FIFO; break; case SCHED_RR: td->td_retval[0] = LINUX_SCHED_RR; break; } return (error); } int linux_sched_get_priority_max(struct thread *td, struct linux_sched_get_priority_max_args *args) { struct sched_get_priority_max_args bsd; #ifdef DEBUG if (ldebug(sched_get_priority_max)) printf(ARGS(sched_get_priority_max, "%d"), args->policy); #endif switch (args->policy) { case LINUX_SCHED_OTHER: bsd.policy = SCHED_OTHER; break; case LINUX_SCHED_FIFO: bsd.policy = SCHED_FIFO; break; case LINUX_SCHED_RR: bsd.policy = SCHED_RR; break; default: return (EINVAL); } return (sys_sched_get_priority_max(td, &bsd)); } int linux_sched_get_priority_min(struct thread *td, struct linux_sched_get_priority_min_args *args) { struct sched_get_priority_min_args bsd; #ifdef DEBUG if (ldebug(sched_get_priority_min)) printf(ARGS(sched_get_priority_min, "%d"), args->policy); #endif switch (args->policy) { case LINUX_SCHED_OTHER: bsd.policy = SCHED_OTHER; break; case LINUX_SCHED_FIFO: bsd.policy = SCHED_FIFO; break; case LINUX_SCHED_RR: bsd.policy = SCHED_RR; break; default: return (EINVAL); } return (sys_sched_get_priority_min(td, &bsd)); } #define REBOOT_CAD_ON 0x89abcdef #define REBOOT_CAD_OFF 0 #define REBOOT_HALT 0xcdef0123 #define REBOOT_RESTART 0x01234567 #define REBOOT_RESTART2 0xA1B2C3D4 #define REBOOT_POWEROFF 0x4321FEDC #define REBOOT_MAGIC1 0xfee1dead #define REBOOT_MAGIC2 0x28121969 #define REBOOT_MAGIC2A 0x05121996 #define REBOOT_MAGIC2B 0x16041998 int linux_reboot(struct thread *td, struct linux_reboot_args *args) { struct reboot_args bsd_args; #ifdef DEBUG if (ldebug(reboot)) printf(ARGS(reboot, "0x%x"), args->cmd); #endif if (args->magic1 != REBOOT_MAGIC1) return (EINVAL); switch (args->magic2) { case REBOOT_MAGIC2: case REBOOT_MAGIC2A: case REBOOT_MAGIC2B: break; default: return (EINVAL); } switch (args->cmd) { case REBOOT_CAD_ON: case REBOOT_CAD_OFF: return (priv_check(td, PRIV_REBOOT)); case REBOOT_HALT: bsd_args.opt = RB_HALT; break; case REBOOT_RESTART: case REBOOT_RESTART2: bsd_args.opt = 0; break; case REBOOT_POWEROFF: bsd_args.opt = RB_POWEROFF; break; default: return (EINVAL); } return (sys_reboot(td, &bsd_args)); } /* * The FreeBSD native getpid(2), getgid(2) and getuid(2) also modify * td->td_retval[1] when COMPAT_43 is defined. This clobbers registers that * are assumed to be preserved. The following lightweight syscalls fixes * this. See also linux_getgid16() and linux_getuid16() in linux_uid16.c * * linux_getpid() - MP SAFE * linux_getgid() - MP SAFE * linux_getuid() - MP SAFE */ int linux_getpid(struct thread *td, struct linux_getpid_args *args) { #ifdef DEBUG if (ldebug(getpid)) printf(ARGS(getpid, "")); #endif td->td_retval[0] = td->td_proc->p_pid; return (0); } int linux_gettid(struct thread *td, struct linux_gettid_args *args) { struct linux_emuldata *em; #ifdef DEBUG if (ldebug(gettid)) printf(ARGS(gettid, "")); #endif em = em_find(td); KASSERT(em != NULL, ("gettid: emuldata not found.\n")); td->td_retval[0] = em->em_tid; return (0); } int linux_getppid(struct thread *td, struct linux_getppid_args *args) { #ifdef DEBUG if (ldebug(getppid)) printf(ARGS(getppid, "")); #endif td->td_retval[0] = kern_getppid(td); return (0); } int linux_getgid(struct thread *td, struct linux_getgid_args *args) { #ifdef DEBUG if (ldebug(getgid)) printf(ARGS(getgid, "")); #endif td->td_retval[0] = td->td_ucred->cr_rgid; return (0); } int linux_getuid(struct thread *td, struct linux_getuid_args *args) { #ifdef DEBUG if (ldebug(getuid)) printf(ARGS(getuid, "")); #endif td->td_retval[0] = td->td_ucred->cr_ruid; return (0); } int linux_getsid(struct thread *td, struct linux_getsid_args *args) { struct getsid_args bsd; #ifdef DEBUG if (ldebug(getsid)) printf(ARGS(getsid, "%i"), args->pid); #endif bsd.pid = args->pid; return (sys_getsid(td, &bsd)); } int linux_nosys(struct thread *td, struct nosys_args *ignore) { return (ENOSYS); } int linux_getpriority(struct thread *td, struct linux_getpriority_args *args) { struct getpriority_args bsd_args; int error; #ifdef DEBUG if (ldebug(getpriority)) printf(ARGS(getpriority, "%i, %i"), args->which, args->who); #endif bsd_args.which = args->which; bsd_args.who = args->who; error = sys_getpriority(td, &bsd_args); td->td_retval[0] = 20 - td->td_retval[0]; return (error); } int linux_sethostname(struct thread *td, struct linux_sethostname_args *args) { int name[2]; #ifdef DEBUG if (ldebug(sethostname)) printf(ARGS(sethostname, "*, %i"), args->len); #endif name[0] = CTL_KERN; name[1] = KERN_HOSTNAME; return (userland_sysctl(td, name, 2, 0, 0, 0, args->hostname, args->len, 0, 0)); } int linux_setdomainname(struct thread *td, struct linux_setdomainname_args *args) { int name[2]; #ifdef DEBUG if (ldebug(setdomainname)) printf(ARGS(setdomainname, "*, %i"), args->len); #endif name[0] = CTL_KERN; name[1] = KERN_NISDOMAINNAME; return (userland_sysctl(td, name, 2, 0, 0, 0, args->name, args->len, 0, 0)); } int linux_exit_group(struct thread *td, struct linux_exit_group_args *args) { #ifdef DEBUG if (ldebug(exit_group)) printf(ARGS(exit_group, "%i"), args->error_code); #endif LINUX_CTR2(exit_group, "thread(%d) (%d)", td->td_tid, args->error_code); /* * XXX: we should send a signal to the parent if * SIGNAL_EXIT_GROUP is set. We ignore that (temporarily?) * as it doesnt occur often. */ exit1(td, args->error_code, 0); /* NOTREACHED */ } #define _LINUX_CAPABILITY_VERSION 0x19980330 struct l_user_cap_header { l_int version; l_int pid; }; struct l_user_cap_data { l_int effective; l_int permitted; l_int inheritable; }; int linux_capget(struct thread *td, struct linux_capget_args *args) { struct l_user_cap_header luch; struct l_user_cap_data lucd; int error; if (args->hdrp == NULL) return (EFAULT); error = copyin(args->hdrp, &luch, sizeof(luch)); if (error != 0) return (error); if (luch.version != _LINUX_CAPABILITY_VERSION) { luch.version = _LINUX_CAPABILITY_VERSION; error = copyout(&luch, args->hdrp, sizeof(luch)); if (error) return (error); return (EINVAL); } if (luch.pid) return (EPERM); if (args->datap) { /* * The current implementation doesn't support setting * a capability (it's essentially a stub) so indicate * that no capabilities are currently set or available * to request. */ bzero (&lucd, sizeof(lucd)); error = copyout(&lucd, args->datap, sizeof(lucd)); } return (error); } int linux_capset(struct thread *td, struct linux_capset_args *args) { struct l_user_cap_header luch; struct l_user_cap_data lucd; int error; if (args->hdrp == NULL || args->datap == NULL) return (EFAULT); error = copyin(args->hdrp, &luch, sizeof(luch)); if (error != 0) return (error); if (luch.version != _LINUX_CAPABILITY_VERSION) { luch.version = _LINUX_CAPABILITY_VERSION; error = copyout(&luch, args->hdrp, sizeof(luch)); if (error) return (error); return (EINVAL); } if (luch.pid) return (EPERM); error = copyin(args->datap, &lucd, sizeof(lucd)); if (error != 0) return (error); /* We currently don't support setting any capabilities. */ if (lucd.effective || lucd.permitted || lucd.inheritable) { linux_msg(td, "capset effective=0x%x, permitted=0x%x, " "inheritable=0x%x is not implemented", (int)lucd.effective, (int)lucd.permitted, (int)lucd.inheritable); return (EPERM); } return (0); } int linux_prctl(struct thread *td, struct linux_prctl_args *args) { int error = 0, max_size; struct proc *p = td->td_proc; char comm[LINUX_MAX_COMM_LEN]; struct linux_emuldata *em; int pdeath_signal; #ifdef DEBUG if (ldebug(prctl)) printf(ARGS(prctl, "%d, %ju, %ju, %ju, %ju"), args->option, (uintmax_t)args->arg2, (uintmax_t)args->arg3, (uintmax_t)args->arg4, (uintmax_t)args->arg5); #endif switch (args->option) { case LINUX_PR_SET_PDEATHSIG: if (!LINUX_SIG_VALID(args->arg2)) return (EINVAL); em = em_find(td); KASSERT(em != NULL, ("prctl: emuldata not found.\n")); em->pdeath_signal = args->arg2; break; case LINUX_PR_GET_PDEATHSIG: em = em_find(td); KASSERT(em != NULL, ("prctl: emuldata not found.\n")); pdeath_signal = em->pdeath_signal; error = copyout(&pdeath_signal, (void *)(register_t)args->arg2, sizeof(pdeath_signal)); break; case LINUX_PR_GET_KEEPCAPS: /* * Indicate that we always clear the effective and * permitted capability sets when the user id becomes * non-zero (actually the capability sets are simply * always zero in the current implementation). */ td->td_retval[0] = 0; break; case LINUX_PR_SET_KEEPCAPS: /* * Ignore requests to keep the effective and permitted * capability sets when the user id becomes non-zero. */ break; case LINUX_PR_SET_NAME: /* * To be on the safe side we need to make sure to not * overflow the size a linux program expects. We already * do this here in the copyin, so that we don't need to * check on copyout. */ max_size = MIN(sizeof(comm), sizeof(p->p_comm)); error = copyinstr((void *)(register_t)args->arg2, comm, max_size, NULL); /* Linux silently truncates the name if it is too long. */ if (error == ENAMETOOLONG) { /* * XXX: copyinstr() isn't documented to populate the * array completely, so do a copyin() to be on the * safe side. This should be changed in case * copyinstr() is changed to guarantee this. */ error = copyin((void *)(register_t)args->arg2, comm, max_size - 1); comm[max_size - 1] = '\0'; } if (error) return (error); PROC_LOCK(p); strlcpy(p->p_comm, comm, sizeof(p->p_comm)); PROC_UNLOCK(p); break; case LINUX_PR_GET_NAME: PROC_LOCK(p); strlcpy(comm, p->p_comm, sizeof(comm)); PROC_UNLOCK(p); error = copyout(comm, (void *)(register_t)args->arg2, strlen(comm) + 1); break; default: error = EINVAL; break; } return (error); } int linux_sched_setparam(struct thread *td, struct linux_sched_setparam_args *uap) { struct sched_param sched_param; struct thread *tdt; int error; #ifdef DEBUG if (ldebug(sched_setparam)) printf(ARGS(sched_setparam, "%d, *"), uap->pid); #endif error = copyin(uap->param, &sched_param, sizeof(sched_param)); if (error) return (error); tdt = linux_tdfind(td, uap->pid, -1); if (tdt == NULL) return (ESRCH); error = kern_sched_setparam(td, tdt, &sched_param); PROC_UNLOCK(tdt->td_proc); return (error); } int linux_sched_getparam(struct thread *td, struct linux_sched_getparam_args *uap) { struct sched_param sched_param; struct thread *tdt; int error; #ifdef DEBUG if (ldebug(sched_getparam)) printf(ARGS(sched_getparam, "%d, *"), uap->pid); #endif tdt = linux_tdfind(td, uap->pid, -1); if (tdt == NULL) return (ESRCH); error = kern_sched_getparam(td, tdt, &sched_param); PROC_UNLOCK(tdt->td_proc); if (error == 0) error = copyout(&sched_param, uap->param, sizeof(sched_param)); return (error); } /* * Get affinity of a process. */ int linux_sched_getaffinity(struct thread *td, struct linux_sched_getaffinity_args *args) { int error; struct thread *tdt; #ifdef DEBUG if (ldebug(sched_getaffinity)) printf(ARGS(sched_getaffinity, "%d, %d, *"), args->pid, args->len); #endif if (args->len < sizeof(cpuset_t)) return (EINVAL); tdt = linux_tdfind(td, args->pid, -1); if (tdt == NULL) return (ESRCH); PROC_UNLOCK(tdt->td_proc); error = kern_cpuset_getaffinity(td, CPU_LEVEL_WHICH, CPU_WHICH_TID, tdt->td_tid, sizeof(cpuset_t), (cpuset_t *)args->user_mask_ptr); if (error == 0) td->td_retval[0] = sizeof(cpuset_t); return (error); } /* * Set affinity of a process. */ int linux_sched_setaffinity(struct thread *td, struct linux_sched_setaffinity_args *args) { struct thread *tdt; #ifdef DEBUG if (ldebug(sched_setaffinity)) printf(ARGS(sched_setaffinity, "%d, %d, *"), args->pid, args->len); #endif if (args->len < sizeof(cpuset_t)) return (EINVAL); tdt = linux_tdfind(td, args->pid, -1); if (tdt == NULL) return (ESRCH); PROC_UNLOCK(tdt->td_proc); return (kern_cpuset_setaffinity(td, CPU_LEVEL_WHICH, CPU_WHICH_TID, tdt->td_tid, sizeof(cpuset_t), (cpuset_t *) args->user_mask_ptr)); } struct linux_rlimit64 { uint64_t rlim_cur; uint64_t rlim_max; }; int linux_prlimit64(struct thread *td, struct linux_prlimit64_args *args) { struct rlimit rlim, nrlim; struct linux_rlimit64 lrlim; struct proc *p; u_int which; int flags; int error; #ifdef DEBUG if (ldebug(prlimit64)) printf(ARGS(prlimit64, "%d, %d, %p, %p"), args->pid, args->resource, (void *)args->new, (void *)args->old); #endif if (args->resource >= LINUX_RLIM_NLIMITS) return (EINVAL); which = linux_to_bsd_resource[args->resource]; if (which == -1) return (EINVAL); if (args->new != NULL) { /* * Note. Unlike FreeBSD where rlim is signed 64-bit Linux * rlim is unsigned 64-bit. FreeBSD treats negative limits * as INFINITY so we do not need a conversion even. */ error = copyin(args->new, &nrlim, sizeof(nrlim)); if (error != 0) return (error); } flags = PGET_HOLD | PGET_NOTWEXIT; if (args->new != NULL) flags |= PGET_CANDEBUG; else flags |= PGET_CANSEE; error = pget(args->pid, flags, &p); if (error != 0) return (error); if (args->old != NULL) { PROC_LOCK(p); lim_rlimit_proc(p, which, &rlim); PROC_UNLOCK(p); if (rlim.rlim_cur == RLIM_INFINITY) lrlim.rlim_cur = LINUX_RLIM_INFINITY; else lrlim.rlim_cur = rlim.rlim_cur; if (rlim.rlim_max == RLIM_INFINITY) lrlim.rlim_max = LINUX_RLIM_INFINITY; else lrlim.rlim_max = rlim.rlim_max; error = copyout(&lrlim, args->old, sizeof(lrlim)); if (error != 0) goto out; } if (args->new != NULL) error = kern_proc_setrlimit(td, p, which, &nrlim); out: PRELE(p); return (error); } int linux_pselect6(struct thread *td, struct linux_pselect6_args *args) { struct timeval utv, tv0, tv1, *tvp; struct l_pselect6arg lpse6; struct l_timespec lts; struct timespec uts; l_sigset_t l_ss; sigset_t *ssp; sigset_t ss; int error; ssp = NULL; if (args->sig != NULL) { error = copyin(args->sig, &lpse6, sizeof(lpse6)); if (error != 0) return (error); if (lpse6.ss_len != sizeof(l_ss)) return (EINVAL); if (lpse6.ss != 0) { error = copyin(PTRIN(lpse6.ss), &l_ss, sizeof(l_ss)); if (error != 0) return (error); linux_to_bsd_sigset(&l_ss, &ss); ssp = &ss; } } /* * Currently glibc changes nanosecond number to microsecond. * This mean losing precision but for now it is hardly seen. */ if (args->tsp != NULL) { error = copyin(args->tsp, <s, sizeof(lts)); if (error != 0) return (error); error = linux_to_native_timespec(&uts, <s); if (error != 0) return (error); TIMESPEC_TO_TIMEVAL(&utv, &uts); if (itimerfix(&utv)) return (EINVAL); microtime(&tv0); tvp = &utv; } else tvp = NULL; error = kern_pselect(td, args->nfds, args->readfds, args->writefds, args->exceptfds, tvp, ssp, LINUX_NFDBITS); if (error == 0 && args->tsp != NULL) { if (td->td_retval[0] != 0) { /* * Compute how much time was left of the timeout, * by subtracting the current time and the time * before we started the call, and subtracting * that result from the user-supplied value. */ microtime(&tv1); timevalsub(&tv1, &tv0); timevalsub(&utv, &tv1); if (utv.tv_sec < 0) timevalclear(&utv); } else timevalclear(&utv); TIMEVAL_TO_TIMESPEC(&utv, &uts); error = native_to_linux_timespec(<s, &uts); if (error == 0) error = copyout(<s, args->tsp, sizeof(lts)); } return (error); } int linux_ppoll(struct thread *td, struct linux_ppoll_args *args) { struct timespec ts0, ts1; struct l_timespec lts; struct timespec uts, *tsp; l_sigset_t l_ss; sigset_t *ssp; sigset_t ss; int error; if (args->sset != NULL) { if (args->ssize != sizeof(l_ss)) return (EINVAL); error = copyin(args->sset, &l_ss, sizeof(l_ss)); if (error) return (error); linux_to_bsd_sigset(&l_ss, &ss); ssp = &ss; } else ssp = NULL; if (args->tsp != NULL) { error = copyin(args->tsp, <s, sizeof(lts)); if (error) return (error); error = linux_to_native_timespec(&uts, <s); if (error != 0) return (error); nanotime(&ts0); tsp = &uts; } else tsp = NULL; error = kern_poll(td, args->fds, args->nfds, tsp, ssp); if (error == 0 && args->tsp != NULL) { if (td->td_retval[0]) { nanotime(&ts1); timespecsub(&ts1, &ts0); timespecsub(&uts, &ts1); if (uts.tv_sec < 0) timespecclear(&uts); } else timespecclear(&uts); error = native_to_linux_timespec(<s, &uts); if (error == 0) error = copyout(<s, args->tsp, sizeof(lts)); } return (error); } #if defined(DEBUG) || defined(KTR) /* XXX: can be removed when every ldebug(...) and KTR stuff are removed. */ #ifdef COMPAT_LINUX32 #define L_MAXSYSCALL LINUX32_SYS_MAXSYSCALL #else #define L_MAXSYSCALL LINUX_SYS_MAXSYSCALL #endif u_char linux_debug_map[howmany(L_MAXSYSCALL, sizeof(u_char))]; static int linux_debug(int syscall, int toggle, int global) { if (global) { char c = toggle ? 0 : 0xff; memset(linux_debug_map, c, sizeof(linux_debug_map)); return (0); } if (syscall < 0 || syscall >= L_MAXSYSCALL) return (EINVAL); if (toggle) clrbit(linux_debug_map, syscall); else setbit(linux_debug_map, syscall); return (0); } #undef L_MAXSYSCALL /* * Usage: sysctl linux.debug=.<0/1> * * E.g.: sysctl linux.debug=21.0 * * As a special case, syscall "all" will apply to all syscalls globally. */ #define LINUX_MAX_DEBUGSTR 16 int linux_sysctl_debug(SYSCTL_HANDLER_ARGS) { char value[LINUX_MAX_DEBUGSTR], *p; int error, sysc, toggle; int global = 0; value[0] = '\0'; error = sysctl_handle_string(oidp, value, LINUX_MAX_DEBUGSTR, req); if (error || req->newptr == NULL) return (error); for (p = value; *p != '\0' && *p != '.'; p++); if (*p == '\0') return (EINVAL); *p++ = '\0'; sysc = strtol(value, NULL, 0); toggle = strtol(p, NULL, 0); if (strcmp(value, "all") == 0) global = 1; error = linux_debug(sysc, toggle, global); return (error); } #endif /* DEBUG || KTR */ int linux_sched_rr_get_interval(struct thread *td, struct linux_sched_rr_get_interval_args *uap) { struct timespec ts; struct l_timespec lts; struct thread *tdt; int error; /* * According to man in case the invalid pid specified * EINVAL should be returned. */ if (uap->pid < 0) return (EINVAL); tdt = linux_tdfind(td, uap->pid, -1); if (tdt == NULL) return (ESRCH); error = kern_sched_rr_get_interval_td(td, tdt, &ts); PROC_UNLOCK(tdt->td_proc); if (error != 0) return (error); error = native_to_linux_timespec(<s, &ts); if (error != 0) return (error); return (copyout(<s, uap->interval, sizeof(lts))); } /* * In case when the Linux thread is the initial thread in * the thread group thread id is equal to the process id. * Glibc depends on this magic (assert in pthread_getattr_np.c). */ struct thread * linux_tdfind(struct thread *td, lwpid_t tid, pid_t pid) { struct linux_emuldata *em; struct thread *tdt; struct proc *p; tdt = NULL; if (tid == 0 || tid == td->td_tid) { tdt = td; PROC_LOCK(tdt->td_proc); } else if (tid > PID_MAX) tdt = tdfind(tid, pid); else { /* * Initial thread where the tid equal to the pid. */ p = pfind(tid); if (p != NULL) { if (SV_PROC_ABI(p) != SV_ABI_LINUX) { /* * p is not a Linuxulator process. */ PROC_UNLOCK(p); return (NULL); } FOREACH_THREAD_IN_PROC(p, tdt) { em = em_find(tdt); if (tid == em->em_tid) return (tdt); } PROC_UNLOCK(p); } return (NULL); } return (tdt); } void linux_to_bsd_waitopts(int options, int *bsdopts) { if (options & LINUX_WNOHANG) *bsdopts |= WNOHANG; if (options & LINUX_WUNTRACED) *bsdopts |= WUNTRACED; if (options & LINUX_WEXITED) *bsdopts |= WEXITED; if (options & LINUX_WCONTINUED) *bsdopts |= WCONTINUED; if (options & LINUX_WNOWAIT) *bsdopts |= WNOWAIT; if (options & __WCLONE) *bsdopts |= WLINUXCLONE; } int linux_getrandom(struct thread *td, struct linux_getrandom_args *args) { struct uio uio; struct iovec iov; int error; if (args->flags & ~(LINUX_GRND_NONBLOCK|LINUX_GRND_RANDOM)) return (EINVAL); if (args->count > INT_MAX) args->count = INT_MAX; iov.iov_base = args->buf; iov.iov_len = args->count; uio.uio_iov = &iov; uio.uio_iovcnt = 1; uio.uio_resid = iov.iov_len; uio.uio_segflg = UIO_USERSPACE; uio.uio_rw = UIO_READ; uio.uio_td = td; error = read_random_uio(&uio, args->flags & LINUX_GRND_NONBLOCK); if (error == 0) td->td_retval[0] = args->count - uio.uio_resid; return (error); } int linux_mincore(struct thread *td, struct linux_mincore_args *args) { /* Needs to be page-aligned */ if (args->start & PAGE_MASK) return (EINVAL); return (kern_mincore(td, args->start, args->len, args->vec)); } Index: head/sys/compat/linux/linux_persona.h =================================================================== --- head/sys/compat/linux/linux_persona.h (revision 328889) +++ head/sys/compat/linux/linux_persona.h (revision 328890) @@ -1,56 +1,56 @@ /* * $FreeBSD$ */ #ifndef LINUX_PERSONALITY_H #define LINUX_PERSONALITY_H /* * Flags for bug emulation. * * These occupy the top three bytes. */ enum { LINUX_UNAME26 = 0x0020000, - LINUX_ADDR_NO_RANDOMIZE = 0x0040000, /* disable randomization + LINUX_ADDR_NO_RANDOMIZE = 0x0040000, /* disable randomization * of VA space */ LINUX_FDPIC_FUNCPTRS = 0x0080000, /* userspace function * ptrs point to descriptors * (signal handling) */ LINUX_MMAP_PAGE_ZERO = 0x0100000, LINUX_ADDR_COMPAT_LAYOUT = 0x0200000, LINUX_READ_IMPLIES_EXEC = 0x0400000, LINUX_ADDR_LIMIT_32BIT = 0x0800000, LINUX_SHORT_INODE = 0x1000000, LINUX_WHOLE_SECONDS = 0x2000000, LINUX_STICKY_TIMEOUTS = 0x4000000, LINUX_ADDR_LIMIT_3GB = 0x8000000, }; /* * Security-relevant compatibility flags that must be * cleared upon setuid or setgid exec: */ #define LINUX_PER_CLEAR_ON_SETID (LINUX_READ_IMPLIES_EXEC | \ LINUX_ADDR_NO_RANDOMIZE | \ LINUX_ADDR_COMPAT_LAYOUT | \ LINUX_MMAP_PAGE_ZERO) /* * Personality types. * * These go in the low byte. Avoid using the top bit, it will * conflict with error returns. */ enum { LINUX_PER_LINUX = 0x0000, LINUX_PER_LINUX_32BIT = 0x0000 | LINUX_ADDR_LIMIT_32BIT, LINUX_PER_LINUX_FDPIC = 0x0000 | LINUX_FDPIC_FUNCPTRS, LINUX_PER_LINUX32 = 0x0008, LINUX_PER_LINUX32_3GB = 0x0008 | LINUX_ADDR_LIMIT_3GB, LINUX_PER_MASK = 0x00ff, }; #endif /* LINUX_PERSONALITY_H */ Index: head/sys/compat/linux/linux_signal.c =================================================================== --- head/sys/compat/linux/linux_signal.c (revision 328889) +++ head/sys/compat/linux/linux_signal.c (revision 328890) @@ -1,796 +1,796 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1994-1995 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include "opt_compat.h" #ifdef COMPAT_LINUX32 #include #include #else #include #include #endif #include #include #include #include static int linux_do_tkill(struct thread *td, struct thread *tdt, ksiginfo_t *ksi); static void sicode_to_lsicode(int si_code, int *lsi_code); static void linux_to_bsd_sigaction(l_sigaction_t *lsa, struct sigaction *bsa) { linux_to_bsd_sigset(&lsa->lsa_mask, &bsa->sa_mask); bsa->sa_handler = PTRIN(lsa->lsa_handler); bsa->sa_flags = 0; if (lsa->lsa_flags & LINUX_SA_NOCLDSTOP) bsa->sa_flags |= SA_NOCLDSTOP; if (lsa->lsa_flags & LINUX_SA_NOCLDWAIT) bsa->sa_flags |= SA_NOCLDWAIT; if (lsa->lsa_flags & LINUX_SA_SIGINFO) bsa->sa_flags |= SA_SIGINFO; if (lsa->lsa_flags & LINUX_SA_ONSTACK) bsa->sa_flags |= SA_ONSTACK; if (lsa->lsa_flags & LINUX_SA_RESTART) bsa->sa_flags |= SA_RESTART; if (lsa->lsa_flags & LINUX_SA_ONESHOT) bsa->sa_flags |= SA_RESETHAND; if (lsa->lsa_flags & LINUX_SA_NOMASK) bsa->sa_flags |= SA_NODEFER; } static void bsd_to_linux_sigaction(struct sigaction *bsa, l_sigaction_t *lsa) { bsd_to_linux_sigset(&bsa->sa_mask, &lsa->lsa_mask); #ifdef COMPAT_LINUX32 lsa->lsa_handler = (uintptr_t)bsa->sa_handler; #else lsa->lsa_handler = bsa->sa_handler; #endif lsa->lsa_restorer = 0; /* unsupported */ lsa->lsa_flags = 0; if (bsa->sa_flags & SA_NOCLDSTOP) lsa->lsa_flags |= LINUX_SA_NOCLDSTOP; if (bsa->sa_flags & SA_NOCLDWAIT) lsa->lsa_flags |= LINUX_SA_NOCLDWAIT; if (bsa->sa_flags & SA_SIGINFO) lsa->lsa_flags |= LINUX_SA_SIGINFO; if (bsa->sa_flags & SA_ONSTACK) lsa->lsa_flags |= LINUX_SA_ONSTACK; if (bsa->sa_flags & SA_RESTART) lsa->lsa_flags |= LINUX_SA_RESTART; if (bsa->sa_flags & SA_RESETHAND) lsa->lsa_flags |= LINUX_SA_ONESHOT; if (bsa->sa_flags & SA_NODEFER) lsa->lsa_flags |= LINUX_SA_NOMASK; } int linux_do_sigaction(struct thread *td, int linux_sig, l_sigaction_t *linux_nsa, l_sigaction_t *linux_osa) { struct sigaction act, oact, *nsa, *osa; int error, sig; if (!LINUX_SIG_VALID(linux_sig)) return (EINVAL); osa = (linux_osa != NULL) ? &oact : NULL; if (linux_nsa != NULL) { nsa = &act; linux_to_bsd_sigaction(linux_nsa, nsa); } else nsa = NULL; sig = linux_to_bsd_signal(linux_sig); error = kern_sigaction(td, sig, nsa, osa, 0); if (error) return (error); if (linux_osa != NULL) bsd_to_linux_sigaction(osa, linux_osa); return (0); } #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) int linux_signal(struct thread *td, struct linux_signal_args *args) { l_sigaction_t nsa, osa; int error; #ifdef DEBUG if (ldebug(signal)) printf(ARGS(signal, "%d, %p"), args->sig, (void *)(uintptr_t)args->handler); #endif nsa.lsa_handler = args->handler; nsa.lsa_flags = LINUX_SA_ONESHOT | LINUX_SA_NOMASK; LINUX_SIGEMPTYSET(nsa.lsa_mask); error = linux_do_sigaction(td, args->sig, &nsa, &osa); td->td_retval[0] = (int)(intptr_t)osa.lsa_handler; return (error); } #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ int linux_rt_sigaction(struct thread *td, struct linux_rt_sigaction_args *args) { l_sigaction_t nsa, osa; int error; #ifdef DEBUG if (ldebug(rt_sigaction)) printf(ARGS(rt_sigaction, "%ld, %p, %p, %ld"), (long)args->sig, (void *)args->act, (void *)args->oact, (long)args->sigsetsize); #endif if (args->sigsetsize != sizeof(l_sigset_t)) return (EINVAL); if (args->act != NULL) { error = copyin(args->act, &nsa, sizeof(l_sigaction_t)); if (error) return (error); } error = linux_do_sigaction(td, args->sig, args->act ? &nsa : NULL, args->oact ? &osa : NULL); if (args->oact != NULL && !error) { error = copyout(&osa, args->oact, sizeof(l_sigaction_t)); } return (error); } static int linux_do_sigprocmask(struct thread *td, int how, l_sigset_t *new, l_sigset_t *old) { sigset_t omask, nmask; sigset_t *nmaskp; int error; td->td_retval[0] = 0; switch (how) { case LINUX_SIG_BLOCK: how = SIG_BLOCK; break; case LINUX_SIG_UNBLOCK: how = SIG_UNBLOCK; break; case LINUX_SIG_SETMASK: how = SIG_SETMASK; break; default: return (EINVAL); } if (new != NULL) { linux_to_bsd_sigset(new, &nmask); nmaskp = &nmask; } else nmaskp = NULL; error = kern_sigprocmask(td, how, nmaskp, &omask, 0); if (error == 0 && old != NULL) bsd_to_linux_sigset(&omask, old); return (error); } #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) int linux_sigprocmask(struct thread *td, struct linux_sigprocmask_args *args) { l_osigset_t mask; l_sigset_t set, oset; int error; #ifdef DEBUG if (ldebug(sigprocmask)) printf(ARGS(sigprocmask, "%d, *, *"), args->how); #endif if (args->mask != NULL) { error = copyin(args->mask, &mask, sizeof(l_osigset_t)); if (error) return (error); LINUX_SIGEMPTYSET(set); set.__mask = mask; } error = linux_do_sigprocmask(td, args->how, args->mask ? &set : NULL, args->omask ? &oset : NULL); if (args->omask != NULL && !error) { mask = oset.__mask; error = copyout(&mask, args->omask, sizeof(l_osigset_t)); } return (error); } #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ int linux_rt_sigprocmask(struct thread *td, struct linux_rt_sigprocmask_args *args) { l_sigset_t set, oset; int error; #ifdef DEBUG if (ldebug(rt_sigprocmask)) printf(ARGS(rt_sigprocmask, "%d, %p, %p, %ld"), args->how, (void *)args->mask, (void *)args->omask, (long)args->sigsetsize); #endif if (args->sigsetsize != sizeof(l_sigset_t)) return EINVAL; if (args->mask != NULL) { error = copyin(args->mask, &set, sizeof(l_sigset_t)); if (error) return (error); } error = linux_do_sigprocmask(td, args->how, args->mask ? &set : NULL, args->omask ? &oset : NULL); if (args->omask != NULL && !error) { error = copyout(&oset, args->omask, sizeof(l_sigset_t)); } return (error); } #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) int linux_sgetmask(struct thread *td, struct linux_sgetmask_args *args) { struct proc *p = td->td_proc; l_sigset_t mask; #ifdef DEBUG if (ldebug(sgetmask)) printf(ARGS(sgetmask, "")); #endif PROC_LOCK(p); bsd_to_linux_sigset(&td->td_sigmask, &mask); PROC_UNLOCK(p); td->td_retval[0] = mask.__mask; return (0); } int linux_ssetmask(struct thread *td, struct linux_ssetmask_args *args) { struct proc *p = td->td_proc; l_sigset_t lset; sigset_t bset; #ifdef DEBUG if (ldebug(ssetmask)) printf(ARGS(ssetmask, "%08lx"), (unsigned long)args->mask); #endif PROC_LOCK(p); bsd_to_linux_sigset(&td->td_sigmask, &lset); td->td_retval[0] = lset.__mask; LINUX_SIGEMPTYSET(lset); lset.__mask = args->mask; linux_to_bsd_sigset(&lset, &bset); td->td_sigmask = bset; SIG_CANTMASK(td->td_sigmask); signotify(td); PROC_UNLOCK(p); return (0); } int linux_sigpending(struct thread *td, struct linux_sigpending_args *args) { struct proc *p = td->td_proc; sigset_t bset; l_sigset_t lset; l_osigset_t mask; #ifdef DEBUG if (ldebug(sigpending)) printf(ARGS(sigpending, "*")); #endif PROC_LOCK(p); bset = p->p_siglist; SIGSETOR(bset, td->td_siglist); SIGSETAND(bset, td->td_sigmask); PROC_UNLOCK(p); bsd_to_linux_sigset(&bset, &lset); mask = lset.__mask; return (copyout(&mask, args->mask, sizeof(mask))); } #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ /* * MPSAFE */ int linux_rt_sigpending(struct thread *td, struct linux_rt_sigpending_args *args) { struct proc *p = td->td_proc; sigset_t bset; l_sigset_t lset; if (args->sigsetsize > sizeof(lset)) return EINVAL; /* NOT REACHED */ #ifdef DEBUG if (ldebug(rt_sigpending)) printf(ARGS(rt_sigpending, "*")); #endif PROC_LOCK(p); bset = p->p_siglist; SIGSETOR(bset, td->td_siglist); SIGSETAND(bset, td->td_sigmask); PROC_UNLOCK(p); bsd_to_linux_sigset(&bset, &lset); return (copyout(&lset, args->set, args->sigsetsize)); } /* * MPSAFE */ int linux_rt_sigtimedwait(struct thread *td, struct linux_rt_sigtimedwait_args *args) { int error, sig; l_timeval ltv; struct timeval tv; struct timespec ts, *tsa; l_sigset_t lset; sigset_t bset; l_siginfo_t linfo; ksiginfo_t info; #ifdef DEBUG if (ldebug(rt_sigtimedwait)) printf(ARGS(rt_sigtimedwait, "*")); #endif if (args->sigsetsize != sizeof(l_sigset_t)) return (EINVAL); if ((error = copyin(args->mask, &lset, sizeof(lset)))) return (error); linux_to_bsd_sigset(&lset, &bset); tsa = NULL; if (args->timeout) { if ((error = copyin(args->timeout, <v, sizeof(ltv)))) return (error); #ifdef DEBUG if (ldebug(rt_sigtimedwait)) printf(LMSG("linux_rt_sigtimedwait: " "incoming timeout (%jd/%jd)\n"), (intmax_t)ltv.tv_sec, (intmax_t)ltv.tv_usec); #endif tv.tv_sec = (long)ltv.tv_sec; tv.tv_usec = (suseconds_t)ltv.tv_usec; if (itimerfix(&tv)) { - /* + /* * The timeout was invalid. Convert it to something * valid that will act as it does under Linux. */ tv.tv_sec += tv.tv_usec / 1000000; tv.tv_usec %= 1000000; if (tv.tv_usec < 0) { tv.tv_sec -= 1; tv.tv_usec += 1000000; } if (tv.tv_sec < 0) timevalclear(&tv); #ifdef DEBUG if (ldebug(rt_sigtimedwait)) printf(LMSG("linux_rt_sigtimedwait: " "converted timeout (%jd/%ld)\n"), (intmax_t)tv.tv_sec, tv.tv_usec); #endif } TIMEVAL_TO_TIMESPEC(&tv, &ts); tsa = &ts; } error = kern_sigtimedwait(td, bset, &info, tsa); #ifdef DEBUG if (ldebug(rt_sigtimedwait)) printf(LMSG("linux_rt_sigtimedwait: " "sigtimedwait returning (%d)\n"), error); #endif if (error) return (error); sig = bsd_to_linux_signal(info.ksi_signo); if (args->ptr) { memset(&linfo, 0, sizeof(linfo)); ksiginfo_to_lsiginfo(&info, &linfo, sig); error = copyout(&linfo, args->ptr, sizeof(linfo)); } if (error == 0) - td->td_retval[0] = sig; + td->td_retval[0] = sig; return (error); } int linux_kill(struct thread *td, struct linux_kill_args *args) { struct kill_args /* { int pid; int signum; } */ tmp; #ifdef DEBUG if (ldebug(kill)) printf(ARGS(kill, "%d, %d"), args->pid, args->signum); #endif /* * Allow signal 0 as a means to check for privileges */ if (!LINUX_SIG_VALID(args->signum) && args->signum != 0) return (EINVAL); if (args->signum > 0) tmp.signum = linux_to_bsd_signal(args->signum); else tmp.signum = 0; tmp.pid = args->pid; return (sys_kill(td, &tmp)); } static int linux_do_tkill(struct thread *td, struct thread *tdt, ksiginfo_t *ksi) { struct proc *p; int error; p = tdt->td_proc; AUDIT_ARG_SIGNUM(ksi->ksi_signo); AUDIT_ARG_PID(p->p_pid); AUDIT_ARG_PROCESS(p); error = p_cansignal(td, p, ksi->ksi_signo); if (error != 0 || ksi->ksi_signo == 0) goto out; tdksignal(tdt, ksi->ksi_signo, ksi); out: PROC_UNLOCK(p); return (error); } int linux_tgkill(struct thread *td, struct linux_tgkill_args *args) { struct thread *tdt; ksiginfo_t ksi; int sig; #ifdef DEBUG if (ldebug(tgkill)) printf(ARGS(tgkill, "%d, %d, %d"), args->tgid, args->pid, args->sig); #endif if (args->pid <= 0 || args->tgid <=0) return (EINVAL); /* * Allow signal 0 as a means to check for privileges */ if (!LINUX_SIG_VALID(args->sig) && args->sig != 0) return (EINVAL); if (args->sig > 0) sig = linux_to_bsd_signal(args->sig); else sig = 0; tdt = linux_tdfind(td, args->pid, args->tgid); if (tdt == NULL) return (ESRCH); ksiginfo_init(&ksi); ksi.ksi_signo = sig; ksi.ksi_code = SI_LWP; ksi.ksi_errno = 0; ksi.ksi_pid = td->td_proc->p_pid; ksi.ksi_uid = td->td_proc->p_ucred->cr_ruid; return (linux_do_tkill(td, tdt, &ksi)); } /* * Deprecated since 2.5.75. Replaced by tgkill(). */ int linux_tkill(struct thread *td, struct linux_tkill_args *args) { struct thread *tdt; ksiginfo_t ksi; int sig; #ifdef DEBUG if (ldebug(tkill)) printf(ARGS(tkill, "%i, %i"), args->tid, args->sig); #endif if (args->tid <= 0) return (EINVAL); if (!LINUX_SIG_VALID(args->sig)) return (EINVAL); sig = linux_to_bsd_signal(args->sig); tdt = linux_tdfind(td, args->tid, -1); if (tdt == NULL) return (ESRCH); ksiginfo_init(&ksi); ksi.ksi_signo = sig; ksi.ksi_code = SI_LWP; ksi.ksi_errno = 0; ksi.ksi_pid = td->td_proc->p_pid; ksi.ksi_uid = td->td_proc->p_ucred->cr_ruid; return (linux_do_tkill(td, tdt, &ksi)); } void ksiginfo_to_lsiginfo(const ksiginfo_t *ksi, l_siginfo_t *lsi, l_int sig) { siginfo_to_lsiginfo(&ksi->ksi_info, lsi, sig); } static void sicode_to_lsicode(int si_code, int *lsi_code) { switch (si_code) { case SI_USER: *lsi_code = LINUX_SI_USER; break; case SI_KERNEL: *lsi_code = LINUX_SI_KERNEL; break; case SI_QUEUE: *lsi_code = LINUX_SI_QUEUE; break; case SI_TIMER: *lsi_code = LINUX_SI_TIMER; break; case SI_MESGQ: *lsi_code = LINUX_SI_MESGQ; break; case SI_ASYNCIO: *lsi_code = LINUX_SI_ASYNCIO; break; case SI_LWP: *lsi_code = LINUX_SI_TKILL; break; default: *lsi_code = si_code; break; } } void siginfo_to_lsiginfo(const siginfo_t *si, l_siginfo_t *lsi, l_int sig) { /* sig alredy converted */ lsi->lsi_signo = sig; sicode_to_lsicode(si->si_code, &lsi->lsi_code); switch (si->si_code) { case SI_LWP: lsi->lsi_pid = si->si_pid; lsi->lsi_uid = si->si_uid; break; case SI_TIMER: lsi->lsi_int = si->si_value.sival_int; lsi->lsi_ptr = PTROUT(si->si_value.sival_ptr); lsi->lsi_tid = si->si_timerid; break; case SI_QUEUE: lsi->lsi_pid = si->si_pid; lsi->lsi_uid = si->si_uid; lsi->lsi_ptr = PTROUT(si->si_value.sival_ptr); break; case SI_ASYNCIO: lsi->lsi_int = si->si_value.sival_int; lsi->lsi_ptr = PTROUT(si->si_value.sival_ptr); break; default: switch (sig) { case LINUX_SIGPOLL: /* XXX si_fd? */ lsi->lsi_band = si->si_band; break; case LINUX_SIGCHLD: lsi->lsi_errno = 0; lsi->lsi_pid = si->si_pid; lsi->lsi_uid = si->si_uid; if (si->si_code == CLD_STOPPED) lsi->lsi_status = bsd_to_linux_signal(si->si_status); else if (si->si_code == CLD_CONTINUED) lsi->lsi_status = bsd_to_linux_signal(SIGCONT); else lsi->lsi_status = si->si_status; break; case LINUX_SIGBUS: case LINUX_SIGILL: case LINUX_SIGFPE: case LINUX_SIGSEGV: lsi->lsi_addr = PTROUT(si->si_addr); break; default: lsi->lsi_pid = si->si_pid; lsi->lsi_uid = si->si_uid; if (sig >= LINUX_SIGRTMIN) { lsi->lsi_int = si->si_value.sival_int; lsi->lsi_ptr = PTROUT(si->si_value.sival_ptr); } break; } break; } } void lsiginfo_to_ksiginfo(const l_siginfo_t *lsi, ksiginfo_t *ksi, int sig) { ksi->ksi_signo = sig; ksi->ksi_code = lsi->lsi_code; /* XXX. Convert. */ ksi->ksi_pid = lsi->lsi_pid; ksi->ksi_uid = lsi->lsi_uid; ksi->ksi_status = lsi->lsi_status; ksi->ksi_addr = PTRIN(lsi->lsi_addr); ksi->ksi_info.si_value.sival_int = lsi->lsi_int; } int linux_rt_sigqueueinfo(struct thread *td, struct linux_rt_sigqueueinfo_args *args) { l_siginfo_t linfo; struct proc *p; ksiginfo_t ksi; int error; int sig; if (!LINUX_SIG_VALID(args->sig)) return (EINVAL); error = copyin(args->info, &linfo, sizeof(linfo)); if (error != 0) return (error); if (linfo.lsi_code >= 0) return (EPERM); sig = linux_to_bsd_signal(args->sig); error = ESRCH; if ((p = pfind_any(args->pid)) != NULL) { error = p_cansignal(td, p, sig); if (error != 0) { PROC_UNLOCK(p); return (error); } ksiginfo_init(&ksi); lsiginfo_to_ksiginfo(&linfo, &ksi, sig); error = tdsendsignal(p, NULL, sig, &ksi); PROC_UNLOCK(p); } return (error); } int linux_rt_tgsigqueueinfo(struct thread *td, struct linux_rt_tgsigqueueinfo_args *args) { l_siginfo_t linfo; struct thread *tds; ksiginfo_t ksi; int error; int sig; if (!LINUX_SIG_VALID(args->sig)) return (EINVAL); error = copyin(args->uinfo, &linfo, sizeof(linfo)); if (error != 0) return (error); if (linfo.lsi_code >= 0) return (EPERM); tds = linux_tdfind(td, args->tid, args->tgid); if (tds == NULL) return (ESRCH); sig = linux_to_bsd_signal(args->sig); ksiginfo_init(&ksi); lsiginfo_to_ksiginfo(&linfo, &ksi, sig); return (linux_do_tkill(td, tds, &ksi)); } Index: head/sys/compat/linux/linux_socket.c =================================================================== --- head/sys/compat/linux/linux_socket.c (revision 328889) +++ head/sys/compat/linux/linux_socket.c (revision 328890) @@ -1,1769 +1,1769 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1995 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); /* XXX we use functions that might not exist. */ #include "opt_compat.h" #include "opt_inet6.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef INET6 #include #include #endif #ifdef COMPAT_LINUX32 #include #include #else #include #include #endif #include #include #include #include static int linux_to_bsd_domain(int); static int linux_sendmsg_common(struct thread *, l_int, struct l_msghdr *, l_uint); static int linux_recvmsg_common(struct thread *, l_int, struct l_msghdr *, l_uint, struct msghdr *); static int linux_set_socket_flags(int, int *); /* * Reads a linux sockaddr and does any necessary translation. * Linux sockaddrs don't have a length field, only a family. * Copy the osockaddr structure pointed to by osa to kernel, adjust * family and convert to sockaddr. */ static int linux_getsockaddr(struct sockaddr **sap, const struct osockaddr *osa, int salen) { struct sockaddr *sa; struct osockaddr *kosa; #ifdef INET6 struct sockaddr_in6 *sin6; int oldv6size; #endif char *name; int bdom, error, hdrlen, namelen; if (salen < 2 || salen > UCHAR_MAX || !osa) return (EINVAL); #ifdef INET6 oldv6size = 0; /* * Check for old (pre-RFC2553) sockaddr_in6. We may accept it * if it's a v4-mapped address, so reserve the proper space * for it. */ if (salen == sizeof(struct sockaddr_in6) - sizeof(uint32_t)) { salen += sizeof(uint32_t); oldv6size = 1; } #endif kosa = malloc(salen, M_SONAME, M_WAITOK); if ((error = copyin(osa, kosa, salen))) goto out; bdom = linux_to_bsd_domain(kosa->sa_family); if (bdom == -1) { error = EAFNOSUPPORT; goto out; } #ifdef INET6 /* * Older Linux IPv6 code uses obsolete RFC2133 struct sockaddr_in6, * which lacks the scope id compared with RFC2553 one. If we detect * the situation, reject the address and write a message to system log. * * Still accept addresses for which the scope id is not used. */ if (oldv6size) { if (bdom == AF_INET6) { sin6 = (struct sockaddr_in6 *)kosa; if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr) || (!IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && !IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr) && !IN6_IS_ADDR_V4COMPAT(&sin6->sin6_addr) && !IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) && !IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr))) { sin6->sin6_scope_id = 0; } else { log(LOG_DEBUG, "obsolete pre-RFC2553 sockaddr_in6 rejected\n"); error = EINVAL; goto out; } } else salen -= sizeof(uint32_t); } #endif if (bdom == AF_INET) { if (salen < sizeof(struct sockaddr_in)) { error = EINVAL; goto out; } salen = sizeof(struct sockaddr_in); } if (bdom == AF_LOCAL && salen > sizeof(struct sockaddr_un)) { hdrlen = offsetof(struct sockaddr_un, sun_path); name = ((struct sockaddr_un *)kosa)->sun_path; if (*name == '\0') { /* - * Linux abstract namespace starts with a NULL byte. + * Linux abstract namespace starts with a NULL byte. * XXX We do not support abstract namespace yet. */ namelen = strnlen(name + 1, salen - hdrlen - 1) + 1; } else namelen = strnlen(name, salen - hdrlen); salen = hdrlen + namelen; if (salen > sizeof(struct sockaddr_un)) { error = ENAMETOOLONG; goto out; } } sa = (struct sockaddr *)kosa; sa->sa_family = bdom; sa->sa_len = salen; *sap = sa; return (0); out: free(kosa, M_SONAME); return (error); } static int linux_to_bsd_domain(int domain) { switch (domain) { case LINUX_AF_UNSPEC: return (AF_UNSPEC); case LINUX_AF_UNIX: return (AF_LOCAL); case LINUX_AF_INET: return (AF_INET); case LINUX_AF_INET6: return (AF_INET6); case LINUX_AF_AX25: return (AF_CCITT); case LINUX_AF_IPX: return (AF_IPX); case LINUX_AF_APPLETALK: return (AF_APPLETALK); } return (-1); } static int bsd_to_linux_domain(int domain) { switch (domain) { case AF_UNSPEC: return (LINUX_AF_UNSPEC); case AF_LOCAL: return (LINUX_AF_UNIX); case AF_INET: return (LINUX_AF_INET); case AF_INET6: return (LINUX_AF_INET6); case AF_CCITT: return (LINUX_AF_AX25); case AF_IPX: return (LINUX_AF_IPX); case AF_APPLETALK: return (LINUX_AF_APPLETALK); } return (-1); } static int linux_to_bsd_sockopt_level(int level) { switch (level) { case LINUX_SOL_SOCKET: return (SOL_SOCKET); } return (level); } static int bsd_to_linux_sockopt_level(int level) { switch (level) { case SOL_SOCKET: return (LINUX_SOL_SOCKET); } return (level); } static int linux_to_bsd_ip_sockopt(int opt) { switch (opt) { case LINUX_IP_TOS: return (IP_TOS); case LINUX_IP_TTL: return (IP_TTL); case LINUX_IP_OPTIONS: return (IP_OPTIONS); case LINUX_IP_MULTICAST_IF: return (IP_MULTICAST_IF); case LINUX_IP_MULTICAST_TTL: return (IP_MULTICAST_TTL); case LINUX_IP_MULTICAST_LOOP: return (IP_MULTICAST_LOOP); case LINUX_IP_ADD_MEMBERSHIP: return (IP_ADD_MEMBERSHIP); case LINUX_IP_DROP_MEMBERSHIP: return (IP_DROP_MEMBERSHIP); case LINUX_IP_HDRINCL: return (IP_HDRINCL); } return (-1); } static int linux_to_bsd_ip6_sockopt(int opt) { switch (opt) { case LINUX_IPV6_NEXTHOP: return (IPV6_NEXTHOP); case LINUX_IPV6_UNICAST_HOPS: return (IPV6_UNICAST_HOPS); case LINUX_IPV6_MULTICAST_IF: return (IPV6_MULTICAST_IF); case LINUX_IPV6_MULTICAST_HOPS: return (IPV6_MULTICAST_HOPS); case LINUX_IPV6_MULTICAST_LOOP: return (IPV6_MULTICAST_LOOP); case LINUX_IPV6_ADD_MEMBERSHIP: return (IPV6_JOIN_GROUP); case LINUX_IPV6_DROP_MEMBERSHIP: return (IPV6_LEAVE_GROUP); case LINUX_IPV6_V6ONLY: return (IPV6_V6ONLY); case LINUX_IPV6_DONTFRAG: return (IPV6_DONTFRAG); #if 0 case LINUX_IPV6_CHECKSUM: return (IPV6_CHECKSUM); case LINUX_IPV6_RECVPKTINFO: return (IPV6_RECVPKTINFO); case LINUX_IPV6_PKTINFO: return (IPV6_PKTINFO); case LINUX_IPV6_RECVHOPLIMIT: return (IPV6_RECVHOPLIMIT); case LINUX_IPV6_HOPLIMIT: return (IPV6_HOPLIMIT); case LINUX_IPV6_RECVHOPOPTS: return (IPV6_RECVHOPOPTS); case LINUX_IPV6_HOPOPTS: return (IPV6_HOPOPTS); case LINUX_IPV6_RTHDRDSTOPTS: return (IPV6_RTHDRDSTOPTS); case LINUX_IPV6_RECVRTHDR: return (IPV6_RECVRTHDR); case LINUX_IPV6_RTHDR: return (IPV6_RTHDR); case LINUX_IPV6_RECVDSTOPTS: return (IPV6_RECVDSTOPTS); case LINUX_IPV6_DSTOPTS: return (IPV6_DSTOPTS); case LINUX_IPV6_RECVPATHMTU: return (IPV6_RECVPATHMTU); case LINUX_IPV6_PATHMTU: return (IPV6_PATHMTU); #endif } return (-1); } static int linux_to_bsd_so_sockopt(int opt) { switch (opt) { case LINUX_SO_DEBUG: return (SO_DEBUG); case LINUX_SO_REUSEADDR: return (SO_REUSEADDR); case LINUX_SO_TYPE: return (SO_TYPE); case LINUX_SO_ERROR: return (SO_ERROR); case LINUX_SO_DONTROUTE: return (SO_DONTROUTE); case LINUX_SO_BROADCAST: return (SO_BROADCAST); case LINUX_SO_SNDBUF: return (SO_SNDBUF); case LINUX_SO_RCVBUF: return (SO_RCVBUF); case LINUX_SO_KEEPALIVE: return (SO_KEEPALIVE); case LINUX_SO_OOBINLINE: return (SO_OOBINLINE); case LINUX_SO_LINGER: return (SO_LINGER); case LINUX_SO_PEERCRED: return (LOCAL_PEERCRED); case LINUX_SO_RCVLOWAT: return (SO_RCVLOWAT); case LINUX_SO_SNDLOWAT: return (SO_SNDLOWAT); case LINUX_SO_RCVTIMEO: return (SO_RCVTIMEO); case LINUX_SO_SNDTIMEO: return (SO_SNDTIMEO); case LINUX_SO_TIMESTAMP: return (SO_TIMESTAMP); case LINUX_SO_ACCEPTCONN: return (SO_ACCEPTCONN); } return (-1); } static int linux_to_bsd_tcp_sockopt(int opt) { switch (opt) { case LINUX_TCP_NODELAY: return (TCP_NODELAY); case LINUX_TCP_MAXSEG: return (TCP_MAXSEG); case LINUX_TCP_KEEPIDLE: return (TCP_KEEPIDLE); case LINUX_TCP_KEEPINTVL: return (TCP_KEEPINTVL); case LINUX_TCP_KEEPCNT: return (TCP_KEEPCNT); case LINUX_TCP_MD5SIG: return (TCP_MD5SIG); } return (-1); } static int linux_to_bsd_msg_flags(int flags) { int ret_flags = 0; if (flags & LINUX_MSG_OOB) ret_flags |= MSG_OOB; if (flags & LINUX_MSG_PEEK) ret_flags |= MSG_PEEK; if (flags & LINUX_MSG_DONTROUTE) ret_flags |= MSG_DONTROUTE; if (flags & LINUX_MSG_CTRUNC) ret_flags |= MSG_CTRUNC; if (flags & LINUX_MSG_TRUNC) ret_flags |= MSG_TRUNC; if (flags & LINUX_MSG_DONTWAIT) ret_flags |= MSG_DONTWAIT; if (flags & LINUX_MSG_EOR) ret_flags |= MSG_EOR; if (flags & LINUX_MSG_WAITALL) ret_flags |= MSG_WAITALL; if (flags & LINUX_MSG_NOSIGNAL) ret_flags |= MSG_NOSIGNAL; #if 0 /* not handled */ if (flags & LINUX_MSG_PROXY) ; if (flags & LINUX_MSG_FIN) ; if (flags & LINUX_MSG_SYN) ; if (flags & LINUX_MSG_CONFIRM) ; if (flags & LINUX_MSG_RST) ; if (flags & LINUX_MSG_ERRQUEUE) ; #endif return (ret_flags); } /* * If bsd_to_linux_sockaddr() or linux_to_bsd_sockaddr() faults, then the * native syscall will fault. Thus, we don't really need to check the * return values for these functions. */ static int bsd_to_linux_sockaddr(struct sockaddr *arg) { struct sockaddr sa; size_t sa_len = sizeof(struct sockaddr); int error, bdom; if ((error = copyin(arg, &sa, sa_len))) return (error); bdom = bsd_to_linux_domain(sa.sa_family); if (bdom == -1) return (EAFNOSUPPORT); *(u_short *)&sa = bdom; return (copyout(&sa, arg, sa_len)); } static int linux_to_bsd_sockaddr(struct sockaddr *arg, int len) { struct sockaddr sa; size_t sa_len = sizeof(struct sockaddr); int error, bdom; if ((error = copyin(arg, &sa, sa_len))) return (error); bdom = linux_to_bsd_domain(*(sa_family_t *)&sa); if (bdom == -1) return (EAFNOSUPPORT); sa.sa_family = bdom; sa.sa_len = len; return (copyout(&sa, arg, sa_len)); } static int linux_sa_put(struct osockaddr *osa) { struct osockaddr sa; int error, bdom; /* * Only read/write the osockaddr family part, the rest is * not changed. */ error = copyin(osa, &sa, sizeof(sa.sa_family)); if (error != 0) return (error); bdom = bsd_to_linux_domain(sa.sa_family); if (bdom == -1) return (EINVAL); sa.sa_family = bdom; return (copyout(&sa, osa, sizeof(sa.sa_family))); } static int linux_to_bsd_cmsg_type(int cmsg_type) { switch (cmsg_type) { case LINUX_SCM_RIGHTS: return (SCM_RIGHTS); case LINUX_SCM_CREDENTIALS: return (SCM_CREDS); } return (-1); } static int bsd_to_linux_cmsg_type(int cmsg_type) { switch (cmsg_type) { case SCM_RIGHTS: return (LINUX_SCM_RIGHTS); case SCM_CREDS: return (LINUX_SCM_CREDENTIALS); case SCM_TIMESTAMP: return (LINUX_SCM_TIMESTAMP); } return (-1); } static int linux_to_bsd_msghdr(struct msghdr *bhdr, const struct l_msghdr *lhdr) { if (lhdr->msg_controllen > INT_MAX) return (ENOBUFS); bhdr->msg_name = PTRIN(lhdr->msg_name); bhdr->msg_namelen = lhdr->msg_namelen; bhdr->msg_iov = PTRIN(lhdr->msg_iov); bhdr->msg_iovlen = lhdr->msg_iovlen; bhdr->msg_control = PTRIN(lhdr->msg_control); /* * msg_controllen is skipped since BSD and LINUX control messages * are potentially different sizes (e.g. the cred structure used * by SCM_CREDS is different between the two operating system). * * The caller can set it (if necessary) after converting all the * control messages. */ bhdr->msg_flags = linux_to_bsd_msg_flags(lhdr->msg_flags); return (0); } static int bsd_to_linux_msghdr(const struct msghdr *bhdr, struct l_msghdr *lhdr) { lhdr->msg_name = PTROUT(bhdr->msg_name); lhdr->msg_namelen = bhdr->msg_namelen; lhdr->msg_iov = PTROUT(bhdr->msg_iov); lhdr->msg_iovlen = bhdr->msg_iovlen; lhdr->msg_control = PTROUT(bhdr->msg_control); /* * msg_controllen is skipped since BSD and LINUX control messages * are potentially different sizes (e.g. the cred structure used * by SCM_CREDS is different between the two operating system). * * The caller can set it (if necessary) after converting all the * control messages. */ /* msg_flags skipped */ return (0); } static int linux_set_socket_flags(int lflags, int *flags) { if (lflags & ~(LINUX_SOCK_CLOEXEC | LINUX_SOCK_NONBLOCK)) return (EINVAL); if (lflags & LINUX_SOCK_NONBLOCK) *flags |= SOCK_NONBLOCK; if (lflags & LINUX_SOCK_CLOEXEC) *flags |= SOCK_CLOEXEC; return (0); } static int linux_sendit(struct thread *td, int s, struct msghdr *mp, int flags, struct mbuf *control, enum uio_seg segflg) { struct sockaddr *to; int error; if (mp->msg_name != NULL) { error = linux_getsockaddr(&to, mp->msg_name, mp->msg_namelen); if (error != 0) return (error); mp->msg_name = to; } else to = NULL; error = kern_sendit(td, s, mp, linux_to_bsd_msg_flags(flags), control, segflg); if (to) free(to, M_SONAME); return (error); } /* Return 0 if IP_HDRINCL is set for the given socket. */ static int linux_check_hdrincl(struct thread *td, int s) { int error, optval; socklen_t size_val; size_val = sizeof(optval); error = kern_getsockopt(td, s, IPPROTO_IP, IP_HDRINCL, &optval, UIO_SYSSPACE, &size_val); if (error != 0) return (error); return (optval == 0); } /* * Updated sendto() when IP_HDRINCL is set: * tweak endian-dependent fields in the IP packet. */ static int linux_sendto_hdrincl(struct thread *td, struct linux_sendto_args *linux_args) { /* * linux_ip_copysize defines how many bytes we should copy * from the beginning of the IP packet before we customize it for BSD. * It should include all the fields we modify (ip_len and ip_off). */ #define linux_ip_copysize 8 struct ip *packet; struct msghdr msg; struct iovec aiov[1]; int error; /* Check that the packet isn't too big or too small. */ if (linux_args->len < linux_ip_copysize || linux_args->len > IP_MAXPACKET) return (EINVAL); packet = (struct ip *)malloc(linux_args->len, M_LINUX, M_WAITOK); /* Make kernel copy of the packet to be sent */ if ((error = copyin(PTRIN(linux_args->msg), packet, linux_args->len))) goto goout; /* Convert fields from Linux to BSD raw IP socket format */ packet->ip_len = linux_args->len; packet->ip_off = ntohs(packet->ip_off); /* Prepare the msghdr and iovec structures describing the new packet */ msg.msg_name = PTRIN(linux_args->to); msg.msg_namelen = linux_args->tolen; msg.msg_iov = aiov; msg.msg_iovlen = 1; msg.msg_control = NULL; msg.msg_flags = 0; aiov[0].iov_base = (char *)packet; aiov[0].iov_len = linux_args->len; error = linux_sendit(td, linux_args->s, &msg, linux_args->flags, NULL, UIO_SYSSPACE); goout: free(packet, M_LINUX); return (error); } int linux_socket(struct thread *td, struct linux_socket_args *args) { int domain, retval_socket, type; type = args->type & LINUX_SOCK_TYPE_MASK; if (type < 0 || type > LINUX_SOCK_MAX) return (EINVAL); retval_socket = linux_set_socket_flags(args->type & ~LINUX_SOCK_TYPE_MASK, &type); if (retval_socket != 0) return (retval_socket); domain = linux_to_bsd_domain(args->domain); if (domain == -1) return (EAFNOSUPPORT); retval_socket = kern_socket(td, domain, type, args->protocol); if (retval_socket) return (retval_socket); if (type == SOCK_RAW && (args->protocol == IPPROTO_RAW || args->protocol == 0) && domain == PF_INET) { /* It's a raw IP socket: set the IP_HDRINCL option. */ int hdrincl; hdrincl = 1; /* We ignore any error returned by kern_setsockopt() */ kern_setsockopt(td, td->td_retval[0], IPPROTO_IP, IP_HDRINCL, &hdrincl, UIO_SYSSPACE, sizeof(hdrincl)); } #ifdef INET6 /* * Linux AF_INET6 socket has IPV6_V6ONLY setsockopt set to 0 by default * and some apps depend on this. So, set V6ONLY to 0 for Linux apps. * For simplicity we do this unconditionally of the net.inet6.ip6.v6only * sysctl value. */ if (domain == PF_INET6) { int v6only; v6only = 0; /* We ignore any error returned by setsockopt() */ kern_setsockopt(td, td->td_retval[0], IPPROTO_IPV6, IPV6_V6ONLY, &v6only, UIO_SYSSPACE, sizeof(v6only)); } #endif return (retval_socket); } int linux_bind(struct thread *td, struct linux_bind_args *args) { struct sockaddr *sa; int error; error = linux_getsockaddr(&sa, PTRIN(args->name), args->namelen); if (error != 0) return (error); error = kern_bindat(td, AT_FDCWD, args->s, sa); free(sa, M_SONAME); if (error == EADDRNOTAVAIL && args->namelen != sizeof(struct sockaddr_in)) - return (EINVAL); + return (EINVAL); return (error); } int linux_connect(struct thread *td, struct linux_connect_args *args) { cap_rights_t rights; struct socket *so; struct sockaddr *sa; struct file *fp; u_int fflag; int error; error = linux_getsockaddr(&sa, (struct osockaddr *)PTRIN(args->name), args->namelen); if (error != 0) return (error); error = kern_connectat(td, AT_FDCWD, args->s, sa); free(sa, M_SONAME); if (error != EISCONN) return (error); /* * Linux doesn't return EISCONN the first time it occurs, * when on a non-blocking socket. Instead it returns the * error getsockopt(SOL_SOCKET, SO_ERROR) would return on BSD. */ error = getsock_cap(td, args->s, cap_rights_init(&rights, CAP_CONNECT), &fp, &fflag, NULL); if (error != 0) return (error); error = EISCONN; so = fp->f_data; if (fflag & FNONBLOCK) { SOCK_LOCK(so); if (so->so_emuldata == 0) error = so->so_error; so->so_emuldata = (void *)1; SOCK_UNLOCK(so); } fdrop(fp, td); return (error); } int linux_listen(struct thread *td, struct linux_listen_args *args) { return (kern_listen(td, args->s, args->backlog)); } static int linux_accept_common(struct thread *td, int s, l_uintptr_t addr, l_uintptr_t namelen, int flags) { struct accept4_args /* { int s; struct sockaddr * __restrict name; socklen_t * __restrict anamelen; int flags; } */ bsd_args; cap_rights_t rights; struct socket *so; struct file *fp; int error, error1; bsd_args.s = s; bsd_args.name = (struct sockaddr * __restrict)PTRIN(addr); bsd_args.anamelen = PTRIN(namelen); bsd_args.flags = 0; error = linux_set_socket_flags(flags, &bsd_args.flags); if (error != 0) return (error); error = sys_accept4(td, &bsd_args); bsd_to_linux_sockaddr((struct sockaddr *)bsd_args.name); if (error != 0) { if (error == EFAULT && namelen != sizeof(struct sockaddr_in)) return (EINVAL); if (error == EINVAL) { error1 = getsock_cap(td, s, cap_rights_init(&rights, CAP_ACCEPT), &fp, NULL, NULL); if (error1 != 0) return (error1); so = fp->f_data; if (so->so_type == SOCK_DGRAM) { fdrop(fp, td); return (EOPNOTSUPP); } fdrop(fp, td); } return (error); } if (addr) error = linux_sa_put(PTRIN(addr)); if (error != 0) { (void)kern_close(td, td->td_retval[0]); td->td_retval[0] = 0; } return (error); } int linux_accept(struct thread *td, struct linux_accept_args *args) { return (linux_accept_common(td, args->s, args->addr, args->namelen, 0)); } int linux_accept4(struct thread *td, struct linux_accept4_args *args) { return (linux_accept_common(td, args->s, args->addr, args->namelen, args->flags)); } int linux_getsockname(struct thread *td, struct linux_getsockname_args *args) { struct getsockname_args /* { int fdes; struct sockaddr * __restrict asa; socklen_t * __restrict alen; } */ bsd_args; int error; bsd_args.fdes = args->s; bsd_args.asa = (struct sockaddr * __restrict)PTRIN(args->addr); bsd_args.alen = PTRIN(args->namelen); error = sys_getsockname(td, &bsd_args); bsd_to_linux_sockaddr((struct sockaddr *)bsd_args.asa); if (error != 0) return (error); return (linux_sa_put(PTRIN(args->addr))); } int linux_getpeername(struct thread *td, struct linux_getpeername_args *args) { struct getpeername_args /* { int fdes; caddr_t asa; int *alen; } */ bsd_args; int error; bsd_args.fdes = args->s; bsd_args.asa = (struct sockaddr *)PTRIN(args->addr); bsd_args.alen = (socklen_t *)PTRIN(args->namelen); error = sys_getpeername(td, &bsd_args); bsd_to_linux_sockaddr((struct sockaddr *)bsd_args.asa); if (error != 0) return (error); return (linux_sa_put(PTRIN(args->addr))); } int linux_socketpair(struct thread *td, struct linux_socketpair_args *args) { struct socketpair_args /* { int domain; int type; int protocol; int *rsv; } */ bsd_args; int error; bsd_args.domain = linux_to_bsd_domain(args->domain); if (bsd_args.domain != PF_LOCAL) return (EAFNOSUPPORT); bsd_args.type = args->type & LINUX_SOCK_TYPE_MASK; if (bsd_args.type < 0 || bsd_args.type > LINUX_SOCK_MAX) return (EINVAL); error = linux_set_socket_flags(args->type & ~LINUX_SOCK_TYPE_MASK, &bsd_args.type); if (error != 0) return (error); if (args->protocol != 0 && args->protocol != PF_UNIX) /* * Use of PF_UNIX as protocol argument is not right, * but Linux does it. * Do not map PF_UNIX as its Linux value is identical * to FreeBSD one. */ return (EPROTONOSUPPORT); else bsd_args.protocol = 0; bsd_args.rsv = (int *)PTRIN(args->rsv); return (sys_socketpair(td, &bsd_args)); } #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) struct linux_send_args { register_t s; register_t msg; register_t len; register_t flags; }; static int linux_send(struct thread *td, struct linux_send_args *args) { struct sendto_args /* { int s; caddr_t buf; int len; int flags; caddr_t to; int tolen; } */ bsd_args; bsd_args.s = args->s; bsd_args.buf = (caddr_t)PTRIN(args->msg); bsd_args.len = args->len; bsd_args.flags = args->flags; bsd_args.to = NULL; bsd_args.tolen = 0; return (sys_sendto(td, &bsd_args)); } struct linux_recv_args { register_t s; register_t msg; register_t len; register_t flags; }; static int linux_recv(struct thread *td, struct linux_recv_args *args) { struct recvfrom_args /* { int s; caddr_t buf; int len; int flags; struct sockaddr *from; socklen_t fromlenaddr; } */ bsd_args; bsd_args.s = args->s; bsd_args.buf = (caddr_t)PTRIN(args->msg); bsd_args.len = args->len; bsd_args.flags = linux_to_bsd_msg_flags(args->flags); bsd_args.from = NULL; bsd_args.fromlenaddr = 0; return (sys_recvfrom(td, &bsd_args)); } #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ int linux_sendto(struct thread *td, struct linux_sendto_args *args) { struct msghdr msg; struct iovec aiov; if (linux_check_hdrincl(td, args->s) == 0) /* IP_HDRINCL set, tweak the packet before sending */ return (linux_sendto_hdrincl(td, args)); msg.msg_name = PTRIN(args->to); msg.msg_namelen = args->tolen; msg.msg_iov = &aiov; msg.msg_iovlen = 1; msg.msg_control = NULL; msg.msg_flags = 0; aiov.iov_base = PTRIN(args->msg); aiov.iov_len = args->len; return (linux_sendit(td, args->s, &msg, args->flags, NULL, UIO_USERSPACE)); } int linux_recvfrom(struct thread *td, struct linux_recvfrom_args *args) { struct msghdr msg; struct iovec aiov; int error, fromlen; if (PTRIN(args->fromlen) != NULL) { error = copyin(PTRIN(args->fromlen), &fromlen, sizeof(fromlen)); if (error != 0) return (error); if (fromlen < 0) return (EINVAL); msg.msg_namelen = fromlen; } else msg.msg_namelen = 0; msg.msg_name = (struct sockaddr * __restrict)PTRIN(args->from); msg.msg_iov = &aiov; msg.msg_iovlen = 1; aiov.iov_base = PTRIN(args->buf); aiov.iov_len = args->len; msg.msg_control = 0; msg.msg_flags = linux_to_bsd_msg_flags(args->flags); error = kern_recvit(td, args->s, &msg, UIO_USERSPACE, NULL); if (error != 0) return (error); if (PTRIN(args->from) != NULL) { error = bsd_to_linux_sockaddr((struct sockaddr *) PTRIN(args->from)); if (error != 0) return (error); error = linux_sa_put((struct osockaddr *) PTRIN(args->from)); } if (PTRIN(args->fromlen) != NULL) error = copyout(&msg.msg_namelen, PTRIN(args->fromlen), sizeof(msg.msg_namelen)); return (error); } static int linux_sendmsg_common(struct thread *td, l_int s, struct l_msghdr *msghdr, l_uint flags) { struct cmsghdr *cmsg; struct cmsgcred cmcred; struct mbuf *control; struct msghdr msg; struct l_cmsghdr linux_cmsg; struct l_cmsghdr *ptr_cmsg; struct l_msghdr linux_msg; struct iovec *iov; socklen_t datalen; struct sockaddr *sa; sa_family_t sa_family; void *data; int error; error = copyin(msghdr, &linux_msg, sizeof(linux_msg)); if (error != 0) return (error); /* * Some Linux applications (ping) define a non-NULL control data * pointer, but a msg_controllen of 0, which is not allowed in the * FreeBSD system call interface. NULL the msg_control pointer in * order to handle this case. This should be checked, but allows the * Linux ping to work. */ if (PTRIN(linux_msg.msg_control) != NULL && linux_msg.msg_controllen == 0) linux_msg.msg_control = PTROUT(NULL); error = linux_to_bsd_msghdr(&msg, &linux_msg); if (error != 0) return (error); #ifdef COMPAT_LINUX32 error = linux32_copyiniov(PTRIN(msg.msg_iov), msg.msg_iovlen, &iov, EMSGSIZE); #else error = copyiniov(msg.msg_iov, msg.msg_iovlen, &iov, EMSGSIZE); #endif if (error != 0) return (error); control = NULL; cmsg = NULL; if ((ptr_cmsg = LINUX_CMSG_FIRSTHDR(&linux_msg)) != NULL) { error = kern_getsockname(td, s, &sa, &datalen); if (error != 0) goto bad; sa_family = sa->sa_family; free(sa, M_SONAME); error = ENOBUFS; cmsg = malloc(CMSG_HDRSZ, M_LINUX, M_WAITOK|M_ZERO); control = m_get(M_WAITOK, MT_CONTROL); do { error = copyin(ptr_cmsg, &linux_cmsg, sizeof(struct l_cmsghdr)); if (error != 0) goto bad; error = EINVAL; if (linux_cmsg.cmsg_len < sizeof(struct l_cmsghdr)) goto bad; /* * Now we support only SCM_RIGHTS and SCM_CRED, * so return EINVAL in any other cmsg_type */ cmsg->cmsg_type = linux_to_bsd_cmsg_type(linux_cmsg.cmsg_type); cmsg->cmsg_level = linux_to_bsd_sockopt_level(linux_cmsg.cmsg_level); if (cmsg->cmsg_type == -1 || cmsg->cmsg_level != SOL_SOCKET) goto bad; /* * Some applications (e.g. pulseaudio) attempt to * send ancillary data even if the underlying protocol * doesn't support it which is not allowed in the * FreeBSD system call interface. */ if (sa_family != AF_UNIX) continue; data = LINUX_CMSG_DATA(ptr_cmsg); datalen = linux_cmsg.cmsg_len - L_CMSG_HDRSZ; switch (cmsg->cmsg_type) { case SCM_RIGHTS: break; case SCM_CREDS: data = &cmcred; datalen = sizeof(cmcred); /* * The lower levels will fill in the structure */ bzero(data, datalen); break; } cmsg->cmsg_len = CMSG_LEN(datalen); error = ENOBUFS; if (!m_append(control, CMSG_HDRSZ, (c_caddr_t)cmsg)) goto bad; if (!m_append(control, datalen, (c_caddr_t)data)) goto bad; } while ((ptr_cmsg = LINUX_CMSG_NXTHDR(&linux_msg, ptr_cmsg))); if (m_length(control, NULL) == 0) { m_freem(control); control = NULL; } } msg.msg_iov = iov; msg.msg_flags = 0; error = linux_sendit(td, s, &msg, flags, control, UIO_USERSPACE); control = NULL; bad: m_freem(control); free(iov, M_IOV); if (cmsg) free(cmsg, M_LINUX); return (error); } int linux_sendmsg(struct thread *td, struct linux_sendmsg_args *args) { return (linux_sendmsg_common(td, args->s, PTRIN(args->msg), args->flags)); } int linux_sendmmsg(struct thread *td, struct linux_sendmmsg_args *args) { struct l_mmsghdr *msg; l_uint retval; int error, datagrams; if (args->vlen > UIO_MAXIOV) args->vlen = UIO_MAXIOV; msg = PTRIN(args->msg); datagrams = 0; while (datagrams < args->vlen) { error = linux_sendmsg_common(td, args->s, &msg->msg_hdr, args->flags); if (error != 0) break; retval = td->td_retval[0]; error = copyout(&retval, &msg->msg_len, sizeof(msg->msg_len)); if (error != 0) break; ++msg; ++datagrams; } if (error == 0) td->td_retval[0] = datagrams; return (error); } static int linux_recvmsg_common(struct thread *td, l_int s, struct l_msghdr *msghdr, l_uint flags, struct msghdr *msg) { struct cmsghdr *cm; struct cmsgcred *cmcred; struct l_cmsghdr *linux_cmsg = NULL; struct l_ucred linux_ucred; socklen_t datalen, outlen; struct l_msghdr linux_msg; struct iovec *iov, *uiov; struct mbuf *control = NULL; struct mbuf **controlp; struct timeval *ftmvl; l_timeval ltmvl; caddr_t outbuf; void *data; int error, i, fd, fds, *fdp; error = copyin(msghdr, &linux_msg, sizeof(linux_msg)); if (error != 0) return (error); error = linux_to_bsd_msghdr(msg, &linux_msg); if (error != 0) return (error); #ifdef COMPAT_LINUX32 error = linux32_copyiniov(PTRIN(msg->msg_iov), msg->msg_iovlen, &iov, EMSGSIZE); #else error = copyiniov(msg->msg_iov, msg->msg_iovlen, &iov, EMSGSIZE); #endif if (error != 0) return (error); if (msg->msg_name) { error = linux_to_bsd_sockaddr((struct sockaddr *)msg->msg_name, msg->msg_namelen); if (error != 0) goto bad; } uiov = msg->msg_iov; msg->msg_iov = iov; controlp = (msg->msg_control != NULL) ? &control : NULL; error = kern_recvit(td, s, msg, UIO_USERSPACE, controlp); msg->msg_iov = uiov; if (error != 0) goto bad; error = bsd_to_linux_msghdr(msg, &linux_msg); if (error != 0) goto bad; if (linux_msg.msg_name) { error = bsd_to_linux_sockaddr((struct sockaddr *) PTRIN(linux_msg.msg_name)); if (error != 0) goto bad; } if (linux_msg.msg_name && linux_msg.msg_namelen > 2) { error = linux_sa_put(PTRIN(linux_msg.msg_name)); if (error != 0) goto bad; } outbuf = PTRIN(linux_msg.msg_control); outlen = 0; if (control) { linux_cmsg = malloc(L_CMSG_HDRSZ, M_LINUX, M_WAITOK | M_ZERO); msg->msg_control = mtod(control, struct cmsghdr *); msg->msg_controllen = control->m_len; cm = CMSG_FIRSTHDR(msg); while (cm != NULL) { linux_cmsg->cmsg_type = bsd_to_linux_cmsg_type(cm->cmsg_type); linux_cmsg->cmsg_level = bsd_to_linux_sockopt_level(cm->cmsg_level); if (linux_cmsg->cmsg_type == -1 || cm->cmsg_level != SOL_SOCKET) { error = EINVAL; goto bad; } data = CMSG_DATA(cm); datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; switch (cm->cmsg_type) { case SCM_RIGHTS: if (flags & LINUX_MSG_CMSG_CLOEXEC) { fds = datalen / sizeof(int); fdp = data; for (i = 0; i < fds; i++) { fd = *fdp++; (void)kern_fcntl(td, fd, F_SETFD, FD_CLOEXEC); } } break; case SCM_CREDS: /* * Currently LOCAL_CREDS is never in * effect for Linux so no need to worry * about sockcred */ if (datalen != sizeof(*cmcred)) { error = EMSGSIZE; goto bad; } cmcred = (struct cmsgcred *)data; bzero(&linux_ucred, sizeof(linux_ucred)); linux_ucred.pid = cmcred->cmcred_pid; linux_ucred.uid = cmcred->cmcred_uid; linux_ucred.gid = cmcred->cmcred_gid; data = &linux_ucred; datalen = sizeof(linux_ucred); break; case SCM_TIMESTAMP: if (datalen != sizeof(struct timeval)) { error = EMSGSIZE; goto bad; } ftmvl = (struct timeval *)data; ltmvl.tv_sec = ftmvl->tv_sec; ltmvl.tv_usec = ftmvl->tv_usec; data = <mvl; datalen = sizeof(ltmvl); break; } if (outlen + LINUX_CMSG_LEN(datalen) > linux_msg.msg_controllen) { if (outlen == 0) { error = EMSGSIZE; goto bad; } else { linux_msg.msg_flags |= LINUX_MSG_CTRUNC; goto out; } } linux_cmsg->cmsg_len = LINUX_CMSG_LEN(datalen); error = copyout(linux_cmsg, outbuf, L_CMSG_HDRSZ); if (error != 0) goto bad; outbuf += L_CMSG_HDRSZ; error = copyout(data, outbuf, datalen); if (error != 0) goto bad; outbuf += LINUX_CMSG_ALIGN(datalen); outlen += LINUX_CMSG_LEN(datalen); cm = CMSG_NXTHDR(msg, cm); } } out: linux_msg.msg_controllen = outlen; error = copyout(&linux_msg, msghdr, sizeof(linux_msg)); bad: free(iov, M_IOV); m_freem(control); free(linux_cmsg, M_LINUX); return (error); } int linux_recvmsg(struct thread *td, struct linux_recvmsg_args *args) { struct msghdr bsd_msg; return (linux_recvmsg_common(td, args->s, PTRIN(args->msg), args->flags, &bsd_msg)); } int linux_recvmmsg(struct thread *td, struct linux_recvmmsg_args *args) { struct l_mmsghdr *msg; struct msghdr bsd_msg; struct l_timespec lts; struct timespec ts, tts; l_uint retval; int error, datagrams; if (args->timeout) { error = copyin(args->timeout, <s, sizeof(struct l_timespec)); if (error != 0) return (error); error = linux_to_native_timespec(&ts, <s); if (error != 0) return (error); getnanotime(&tts); timespecadd(&tts, &ts); } msg = PTRIN(args->msg); datagrams = 0; while (datagrams < args->vlen) { error = linux_recvmsg_common(td, args->s, &msg->msg_hdr, args->flags & ~LINUX_MSG_WAITFORONE, &bsd_msg); if (error != 0) break; retval = td->td_retval[0]; error = copyout(&retval, &msg->msg_len, sizeof(msg->msg_len)); if (error != 0) break; ++msg; ++datagrams; /* * MSG_WAITFORONE turns on MSG_DONTWAIT after one packet. */ if (args->flags & LINUX_MSG_WAITFORONE) args->flags |= LINUX_MSG_DONTWAIT; /* * See BUGS section of recvmmsg(2). */ if (args->timeout) { getnanotime(&ts); timespecsub(&ts, &tts); if (!timespecisset(&ts) || ts.tv_sec > 0) break; } /* Out of band data, return right away. */ if (bsd_msg.msg_flags & MSG_OOB) break; } if (error == 0) td->td_retval[0] = datagrams; return (error); } int linux_shutdown(struct thread *td, struct linux_shutdown_args *args) { return (kern_shutdown(td, args->s, args->how)); } int linux_setsockopt(struct thread *td, struct linux_setsockopt_args *args) { struct setsockopt_args /* { int s; int level; int name; caddr_t val; int valsize; } */ bsd_args; l_timeval linux_tv; struct timeval tv; int error, name; bsd_args.s = args->s; bsd_args.level = linux_to_bsd_sockopt_level(args->level); switch (bsd_args.level) { case SOL_SOCKET: name = linux_to_bsd_so_sockopt(args->optname); switch (name) { case SO_RCVTIMEO: /* FALLTHROUGH */ case SO_SNDTIMEO: error = copyin(PTRIN(args->optval), &linux_tv, sizeof(linux_tv)); if (error != 0) return (error); tv.tv_sec = linux_tv.tv_sec; tv.tv_usec = linux_tv.tv_usec; return (kern_setsockopt(td, args->s, bsd_args.level, name, &tv, UIO_SYSSPACE, sizeof(tv))); /* NOTREACHED */ default: break; } break; case IPPROTO_IP: name = linux_to_bsd_ip_sockopt(args->optname); break; case IPPROTO_IPV6: name = linux_to_bsd_ip6_sockopt(args->optname); break; case IPPROTO_TCP: name = linux_to_bsd_tcp_sockopt(args->optname); break; default: name = -1; break; } if (name == -1) return (ENOPROTOOPT); bsd_args.name = name; bsd_args.val = PTRIN(args->optval); bsd_args.valsize = args->optlen; if (name == IPV6_NEXTHOP) { linux_to_bsd_sockaddr((struct sockaddr *)bsd_args.val, bsd_args.valsize); error = sys_setsockopt(td, &bsd_args); bsd_to_linux_sockaddr((struct sockaddr *)bsd_args.val); } else error = sys_setsockopt(td, &bsd_args); return (error); } int linux_getsockopt(struct thread *td, struct linux_getsockopt_args *args) { struct getsockopt_args /* { int s; int level; int name; caddr_t val; int *avalsize; } */ bsd_args; l_timeval linux_tv; struct timeval tv; socklen_t tv_len, xulen, len; struct xucred xu; struct l_ucred lxu; int error, name, newval; bsd_args.s = args->s; bsd_args.level = linux_to_bsd_sockopt_level(args->level); switch (bsd_args.level) { case SOL_SOCKET: name = linux_to_bsd_so_sockopt(args->optname); switch (name) { case SO_RCVTIMEO: /* FALLTHROUGH */ case SO_SNDTIMEO: tv_len = sizeof(tv); error = kern_getsockopt(td, args->s, bsd_args.level, name, &tv, UIO_SYSSPACE, &tv_len); if (error != 0) return (error); linux_tv.tv_sec = tv.tv_sec; linux_tv.tv_usec = tv.tv_usec; return (copyout(&linux_tv, PTRIN(args->optval), sizeof(linux_tv))); /* NOTREACHED */ case LOCAL_PEERCRED: if (args->optlen < sizeof(lxu)) return (EINVAL); xulen = sizeof(xu); error = kern_getsockopt(td, args->s, bsd_args.level, name, &xu, UIO_SYSSPACE, &xulen); if (error != 0) return (error); /* * XXX Use 0 for pid as the FreeBSD does not cache peer pid. */ lxu.pid = 0; lxu.uid = xu.cr_uid; lxu.gid = xu.cr_gid; return (copyout(&lxu, PTRIN(args->optval), sizeof(lxu))); /* NOTREACHED */ case SO_ERROR: len = sizeof(newval); error = kern_getsockopt(td, args->s, bsd_args.level, name, &newval, UIO_SYSSPACE, &len); if (error != 0) return (error); newval = -SV_ABI_ERRNO(td->td_proc, newval); return (copyout(&newval, PTRIN(args->optval), len)); /* NOTREACHED */ default: break; } break; case IPPROTO_IP: name = linux_to_bsd_ip_sockopt(args->optname); break; case IPPROTO_IPV6: name = linux_to_bsd_ip6_sockopt(args->optname); break; case IPPROTO_TCP: name = linux_to_bsd_tcp_sockopt(args->optname); break; default: name = -1; break; } if (name == -1) return (EINVAL); bsd_args.name = name; bsd_args.val = PTRIN(args->optval); bsd_args.avalsize = PTRIN(args->optlen); if (name == IPV6_NEXTHOP) { error = sys_getsockopt(td, &bsd_args); bsd_to_linux_sockaddr((struct sockaddr *)bsd_args.val); } else error = sys_getsockopt(td, &bsd_args); return (error); } #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) /* Argument list sizes for linux_socketcall */ static const unsigned char lxs_args_cnt[] = { 0 /* unused*/, 3 /* socket */, 3 /* bind */, 3 /* connect */, 2 /* listen */, 3 /* accept */, 3 /* getsockname */, 3 /* getpeername */, 4 /* socketpair */, 4 /* send */, 4 /* recv */, 6 /* sendto */, 6 /* recvfrom */, 2 /* shutdown */, 5 /* setsockopt */, 5 /* getsockopt */, 3 /* sendmsg */, 3 /* recvmsg */, 4 /* accept4 */, 5 /* recvmmsg */, 4 /* sendmmsg */ }; #define LINUX_ARGS_CNT (nitems(lxs_args_cnt) - 1) #define LINUX_ARG_SIZE(x) (lxs_args_cnt[x] * sizeof(l_ulong)) int linux_socketcall(struct thread *td, struct linux_socketcall_args *args) { l_ulong a[6]; #if defined(__amd64__) && defined(COMPAT_LINUX32) register_t l_args[6]; #endif void *arg; int error; if (args->what < LINUX_SOCKET || args->what > LINUX_ARGS_CNT) return (EINVAL); error = copyin(PTRIN(args->args), a, LINUX_ARG_SIZE(args->what)); if (error != 0) return (error); #if defined(__amd64__) && defined(COMPAT_LINUX32) for (int i = 0; i < lxs_args_cnt[args->what]; ++i) l_args[i] = a[i]; arg = l_args; #else arg = a; #endif switch (args->what) { case LINUX_SOCKET: return (linux_socket(td, arg)); case LINUX_BIND: return (linux_bind(td, arg)); case LINUX_CONNECT: return (linux_connect(td, arg)); case LINUX_LISTEN: return (linux_listen(td, arg)); case LINUX_ACCEPT: return (linux_accept(td, arg)); case LINUX_GETSOCKNAME: return (linux_getsockname(td, arg)); case LINUX_GETPEERNAME: return (linux_getpeername(td, arg)); case LINUX_SOCKETPAIR: return (linux_socketpair(td, arg)); case LINUX_SEND: return (linux_send(td, arg)); case LINUX_RECV: return (linux_recv(td, arg)); case LINUX_SENDTO: return (linux_sendto(td, arg)); case LINUX_RECVFROM: return (linux_recvfrom(td, arg)); case LINUX_SHUTDOWN: return (linux_shutdown(td, arg)); case LINUX_SETSOCKOPT: return (linux_setsockopt(td, arg)); case LINUX_GETSOCKOPT: return (linux_getsockopt(td, arg)); case LINUX_SENDMSG: return (linux_sendmsg(td, arg)); case LINUX_RECVMSG: return (linux_recvmsg(td, arg)); case LINUX_ACCEPT4: return (linux_accept4(td, arg)); case LINUX_RECVMMSG: return (linux_recvmmsg(td, arg)); case LINUX_SENDMMSG: return (linux_sendmmsg(td, arg)); } uprintf("LINUX: 'socket' typ=%d not implemented\n", args->what); return (ENOSYS); } #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ Index: head/sys/compat/linux/linux_socket.h =================================================================== --- head/sys/compat/linux/linux_socket.h (revision 328889) +++ head/sys/compat/linux/linux_socket.h (revision 328890) @@ -1,254 +1,254 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2000 Assar Westerlund * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _LINUX_SOCKET_H_ #define _LINUX_SOCKET_H_ /* msg flags in recvfrom/recvmsg */ #define LINUX_MSG_OOB 0x01 #define LINUX_MSG_PEEK 0x02 #define LINUX_MSG_DONTROUTE 0x04 #define LINUX_MSG_CTRUNC 0x08 #define LINUX_MSG_PROXY 0x10 #define LINUX_MSG_TRUNC 0x20 #define LINUX_MSG_DONTWAIT 0x40 #define LINUX_MSG_EOR 0x80 #define LINUX_MSG_WAITALL 0x100 #define LINUX_MSG_FIN 0x200 #define LINUX_MSG_SYN 0x400 #define LINUX_MSG_CONFIRM 0x800 #define LINUX_MSG_RST 0x1000 #define LINUX_MSG_ERRQUEUE 0x2000 #define LINUX_MSG_NOSIGNAL 0x4000 #define LINUX_MSG_WAITFORONE 0x10000 #define LINUX_MSG_CMSG_CLOEXEC 0x40000000 /* Socket-level control message types */ #define LINUX_SCM_RIGHTS 0x01 #define LINUX_SCM_CREDENTIALS 0x02 #define LINUX_SCM_TIMESTAMP 0x1D struct l_msghdr { l_uintptr_t msg_name; l_int msg_namelen; l_uintptr_t msg_iov; l_size_t msg_iovlen; l_uintptr_t msg_control; l_size_t msg_controllen; l_uint msg_flags; }; struct l_mmsghdr { struct l_msghdr msg_hdr; l_uint msg_len; }; struct l_cmsghdr { l_size_t cmsg_len; l_int cmsg_level; l_int cmsg_type; }; /* Ancillary data object information macros */ #define LINUX_CMSG_ALIGN(len) roundup2(len, sizeof(l_ulong)) #define LINUX_CMSG_DATA(cmsg) ((void *)((char *)(cmsg) + \ LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)))) #define LINUX_CMSG_SPACE(len) (LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \ LINUX_CMSG_ALIGN(len)) #define LINUX_CMSG_LEN(len) (LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \ (len)) #define LINUX_CMSG_FIRSTHDR(msg) \ ((msg)->msg_controllen >= \ sizeof(struct l_cmsghdr) ? \ (struct l_cmsghdr *) \ PTRIN((msg)->msg_control) : \ (struct l_cmsghdr *)(NULL)) #define LINUX_CMSG_NXTHDR(msg, cmsg) \ ((((char *)(cmsg) + \ LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \ sizeof(*(cmsg))) > \ (((char *)PTRIN((msg)->msg_control)) + \ (msg)->msg_controllen)) ? \ (struct l_cmsghdr *) NULL : \ (struct l_cmsghdr *)((char *)(cmsg) + \ LINUX_CMSG_ALIGN((cmsg)->cmsg_len))) #define CMSG_HDRSZ CMSG_LEN(0) #define L_CMSG_HDRSZ LINUX_CMSG_LEN(0) /* Supported address families */ #define LINUX_AF_UNSPEC 0 #define LINUX_AF_UNIX 1 #define LINUX_AF_INET 2 #define LINUX_AF_AX25 3 #define LINUX_AF_IPX 4 #define LINUX_AF_APPLETALK 5 #define LINUX_AF_INET6 10 /* Supported socket types */ #define LINUX_SOCK_STREAM 1 #define LINUX_SOCK_DGRAM 2 #define LINUX_SOCK_RAW 3 #define LINUX_SOCK_RDM 4 #define LINUX_SOCK_SEQPACKET 5 #define LINUX_SOCK_MAX LINUX_SOCK_SEQPACKET #define LINUX_SOCK_TYPE_MASK 0xf /* Flags for socket, socketpair, accept4 */ #define LINUX_SOCK_CLOEXEC LINUX_O_CLOEXEC #define LINUX_SOCK_NONBLOCK LINUX_O_NONBLOCK struct l_ucred { uint32_t pid; uint32_t uid; uint32_t gid; }; #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) struct linux_accept_args { register_t s; register_t addr; register_t namelen; }; int linux_accept(struct thread *td, struct linux_accept_args *args); /* Operations for socketcall */ -#define LINUX_SOCKET 1 +#define LINUX_SOCKET 1 #define LINUX_BIND 2 -#define LINUX_CONNECT 3 -#define LINUX_LISTEN 4 -#define LINUX_ACCEPT 5 +#define LINUX_CONNECT 3 +#define LINUX_LISTEN 4 +#define LINUX_ACCEPT 5 #define LINUX_GETSOCKNAME 6 #define LINUX_GETPEERNAME 7 #define LINUX_SOCKETPAIR 8 #define LINUX_SEND 9 #define LINUX_RECV 10 -#define LINUX_SENDTO 11 -#define LINUX_RECVFROM 12 -#define LINUX_SHUTDOWN 13 +#define LINUX_SENDTO 11 +#define LINUX_RECVFROM 12 +#define LINUX_SHUTDOWN 13 #define LINUX_SETSOCKOPT 14 #define LINUX_GETSOCKOPT 15 #define LINUX_SENDMSG 16 #define LINUX_RECVMSG 17 #define LINUX_ACCEPT4 18 #define LINUX_RECVMMSG 19 #define LINUX_SENDMMSG 20 #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ /* Socket defines */ #define LINUX_SOL_SOCKET 1 #define LINUX_SOL_IP 0 #define LINUX_SOL_TCP 6 #define LINUX_SOL_UDP 17 #define LINUX_SOL_IPV6 41 #define LINUX_SOL_IPX 256 #define LINUX_SOL_AX25 257 #define LINUX_SO_DEBUG 1 #define LINUX_SO_REUSEADDR 2 #define LINUX_SO_TYPE 3 #define LINUX_SO_ERROR 4 #define LINUX_SO_DONTROUTE 5 #define LINUX_SO_BROADCAST 6 #define LINUX_SO_SNDBUF 7 #define LINUX_SO_RCVBUF 8 #define LINUX_SO_KEEPALIVE 9 #define LINUX_SO_OOBINLINE 10 #define LINUX_SO_NO_CHECK 11 #define LINUX_SO_PRIORITY 12 #define LINUX_SO_LINGER 13 #ifndef LINUX_SO_PASSCRED /* powerpc differs */ #define LINUX_SO_PASSCRED 16 #define LINUX_SO_PEERCRED 17 #define LINUX_SO_RCVLOWAT 18 #define LINUX_SO_SNDLOWAT 19 #define LINUX_SO_RCVTIMEO 20 #define LINUX_SO_SNDTIMEO 21 #endif #define LINUX_SO_TIMESTAMP 29 #define LINUX_SO_ACCEPTCONN 30 /* Socket options */ #define LINUX_IP_TOS 1 #define LINUX_IP_TTL 2 #define LINUX_IP_HDRINCL 3 #define LINUX_IP_OPTIONS 4 #define LINUX_IP_MULTICAST_IF 32 #define LINUX_IP_MULTICAST_TTL 33 #define LINUX_IP_MULTICAST_LOOP 34 #define LINUX_IP_ADD_MEMBERSHIP 35 #define LINUX_IP_DROP_MEMBERSHIP 36 #define LINUX_IPV6_CHECKSUM 7 #define LINUX_IPV6_NEXTHOP 9 #define LINUX_IPV6_UNICAST_HOPS 16 #define LINUX_IPV6_MULTICAST_IF 17 #define LINUX_IPV6_MULTICAST_HOPS 18 #define LINUX_IPV6_MULTICAST_LOOP 19 #define LINUX_IPV6_ADD_MEMBERSHIP 20 #define LINUX_IPV6_DROP_MEMBERSHIP 21 #define LINUX_IPV6_V6ONLY 26 #define LINUX_IPV6_RECVPKTINFO 49 #define LINUX_IPV6_PKTINFO 50 #define LINUX_IPV6_RECVHOPLIMIT 51 #define LINUX_IPV6_HOPLIMIT 52 #define LINUX_IPV6_RECVHOPOPTS 53 #define LINUX_IPV6_HOPOPTS 54 #define LINUX_IPV6_RTHDRDSTOPTS 55 #define LINUX_IPV6_RECVRTHDR 56 #define LINUX_IPV6_RTHDR 57 #define LINUX_IPV6_RECVDSTOPTS 58 #define LINUX_IPV6_DSTOPTS 59 #define LINUX_IPV6_RECVPATHMTU 60 #define LINUX_IPV6_PATHMTU 61 #define LINUX_IPV6_DONTFRAG 62 #define LINUX_TCP_NODELAY 1 #define LINUX_TCP_MAXSEG 2 #define LINUX_TCP_KEEPIDLE 4 #define LINUX_TCP_KEEPINTVL 5 #define LINUX_TCP_KEEPCNT 6 #define LINUX_TCP_MD5SIG 14 #endif /* _LINUX_SOCKET_H_ */ Index: head/sys/compat/linux/linux_time.c =================================================================== --- head/sys/compat/linux/linux_time.c (revision 328889) +++ head/sys/compat/linux/linux_time.c (revision 328890) @@ -1,620 +1,620 @@ /* $NetBSD: linux_time.c,v 1.14 2006/05/14 03:40:54 christos Exp $ */ /*- * SPDX-License-Identifier: BSD-2-Clause-NetBSD * * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Emmanuel Dreyfus. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #if 0 __KERNEL_RCSID(0, "$NetBSD: linux_time.c,v 1.14 2006/05/14 03:40:54 christos Exp $"); #endif #include "opt_compat.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef COMPAT_LINUX32 #include #include #else #include #include #endif #include #include /* DTrace init */ LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE); /** * DTrace probes in this module. */ LIN_SDT_PROBE_DEFINE2(time, native_to_linux_timespec, entry, "struct l_timespec *", "struct timespec *"); LIN_SDT_PROBE_DEFINE0(time, native_to_linux_timespec, return); LIN_SDT_PROBE_DEFINE2(time, linux_to_native_timespec, entry, "struct timespec *", "struct l_timespec *"); LIN_SDT_PROBE_DEFINE1(time, linux_to_native_timespec, return, "int"); LIN_SDT_PROBE_DEFINE2(time, linux_to_native_clockid, entry, "clockid_t *", "clockid_t"); LIN_SDT_PROBE_DEFINE1(time, linux_to_native_clockid, unsupported_clockid, "clockid_t"); LIN_SDT_PROBE_DEFINE1(time, linux_to_native_clockid, unknown_clockid, "clockid_t"); LIN_SDT_PROBE_DEFINE1(time, linux_to_native_clockid, return, "int"); LIN_SDT_PROBE_DEFINE2(time, linux_clock_gettime, entry, "clockid_t", "struct l_timespec *"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_gettime, conversion_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_gettime, gettime_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_gettime, copyout_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_gettime, return, "int"); LIN_SDT_PROBE_DEFINE2(time, linux_clock_settime, entry, "clockid_t", "struct l_timespec *"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_settime, conversion_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_settime, settime_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_settime, copyin_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_settime, return, "int"); LIN_SDT_PROBE_DEFINE2(time, linux_clock_getres, entry, "clockid_t", "struct l_timespec *"); LIN_SDT_PROBE_DEFINE0(time, linux_clock_getres, nullcall); LIN_SDT_PROBE_DEFINE1(time, linux_clock_getres, conversion_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_getres, getres_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_getres, copyout_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_getres, return, "int"); LIN_SDT_PROBE_DEFINE2(time, linux_nanosleep, entry, "const struct l_timespec *", "struct l_timespec *"); LIN_SDT_PROBE_DEFINE1(time, linux_nanosleep, conversion_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_nanosleep, copyout_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_nanosleep, copyin_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_nanosleep, return, "int"); LIN_SDT_PROBE_DEFINE4(time, linux_clock_nanosleep, entry, "clockid_t", "int", "struct l_timespec *", "struct l_timespec *"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_nanosleep, conversion_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_nanosleep, copyout_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_nanosleep, copyin_error, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_nanosleep, unsupported_flags, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_nanosleep, unsupported_clockid, "int"); LIN_SDT_PROBE_DEFINE1(time, linux_clock_nanosleep, return, "int"); int native_to_linux_timespec(struct l_timespec *ltp, struct timespec *ntp) { LIN_SDT_PROBE2(time, native_to_linux_timespec, entry, ltp, ntp); #ifdef COMPAT_LINUX32 if (ntp->tv_sec > INT_MAX || ntp->tv_sec < INT_MIN) return (EOVERFLOW); #endif ltp->tv_sec = ntp->tv_sec; ltp->tv_nsec = ntp->tv_nsec; LIN_SDT_PROBE0(time, native_to_linux_timespec, return); return (0); } int linux_to_native_timespec(struct timespec *ntp, struct l_timespec *ltp) { LIN_SDT_PROBE2(time, linux_to_native_timespec, entry, ntp, ltp); if (ltp->tv_sec < 0 || ltp->tv_nsec < 0 || ltp->tv_nsec > 999999999) { LIN_SDT_PROBE1(time, linux_to_native_timespec, return, EINVAL); return (EINVAL); } ntp->tv_sec = ltp->tv_sec; ntp->tv_nsec = ltp->tv_nsec; LIN_SDT_PROBE1(time, linux_to_native_timespec, return, 0); return (0); } int native_to_linux_itimerspec(struct l_itimerspec *ltp, struct itimerspec *ntp) { int error; error = native_to_linux_timespec(<p->it_interval, &ntp->it_interval); if (error == 0) error = native_to_linux_timespec(<p->it_value, &ntp->it_interval); return (error); } int linux_to_native_itimerspec(struct itimerspec *ntp, struct l_itimerspec *ltp) { int error; error = linux_to_native_timespec(&ntp->it_interval, <p->it_interval); if (error == 0) error = linux_to_native_timespec(&ntp->it_value, <p->it_value); return (error); } int linux_to_native_clockid(clockid_t *n, clockid_t l) { LIN_SDT_PROBE2(time, linux_to_native_clockid, entry, n, l); if (l < 0) { /* cpu-clock */ if ((l & LINUX_CLOCKFD_MASK) == LINUX_CLOCKFD) return (EINVAL); if (LINUX_CPUCLOCK_WHICH(l) >= LINUX_CPUCLOCK_MAX) return (EINVAL); if (LINUX_CPUCLOCK_PERTHREAD(l)) *n = CLOCK_THREAD_CPUTIME_ID; else *n = CLOCK_PROCESS_CPUTIME_ID; return (0); } switch (l) { case LINUX_CLOCK_REALTIME: *n = CLOCK_REALTIME; break; case LINUX_CLOCK_MONOTONIC: *n = CLOCK_MONOTONIC; break; case LINUX_CLOCK_REALTIME_COARSE: *n = CLOCK_REALTIME_FAST; break; case LINUX_CLOCK_MONOTONIC_COARSE: *n = CLOCK_MONOTONIC_FAST; break; case LINUX_CLOCK_BOOTTIME: *n = CLOCK_UPTIME; break; case LINUX_CLOCK_MONOTONIC_RAW: case LINUX_CLOCK_REALTIME_ALARM: case LINUX_CLOCK_BOOTTIME_ALARM: case LINUX_CLOCK_SGI_CYCLE: case LINUX_CLOCK_TAI: LIN_SDT_PROBE1(time, linux_to_native_clockid, unsupported_clockid, l); LIN_SDT_PROBE1(time, linux_to_native_clockid, return, EINVAL); return (EINVAL); default: LIN_SDT_PROBE1(time, linux_to_native_clockid, unknown_clockid, l); LIN_SDT_PROBE1(time, linux_to_native_clockid, return, EINVAL); return (EINVAL); } LIN_SDT_PROBE1(time, linux_to_native_clockid, return, 0); return (0); } int linux_to_native_timerflags(int *nflags, int flags) { if (flags & ~LINUX_TIMER_ABSTIME) return (EINVAL); *nflags = 0; if (flags & LINUX_TIMER_ABSTIME) *nflags |= TIMER_ABSTIME; return (0); } int linux_clock_gettime(struct thread *td, struct linux_clock_gettime_args *args) { struct l_timespec lts; struct timespec tp; struct rusage ru; struct thread *targettd; struct proc *p; int error, clockwhich; clockid_t nwhich = 0; /* XXX: GCC */ pid_t pid; lwpid_t tid; LIN_SDT_PROBE2(time, linux_clock_gettime, entry, args->which, args->tp); error = linux_to_native_clockid(&nwhich, args->which); if (error != 0) { LIN_SDT_PROBE1(time, linux_clock_gettime, conversion_error, error); LIN_SDT_PROBE1(time, linux_clock_gettime, return, error); return (error); } switch (nwhich) { case CLOCK_PROCESS_CPUTIME_ID: clockwhich = LINUX_CPUCLOCK_WHICH(args->which); pid = LINUX_CPUCLOCK_ID(args->which); if (pid == 0) { p = td->td_proc; PROC_LOCK(p); } else { error = pget(pid, PGET_CANSEE, &p); if (error != 0) return (EINVAL); } switch (clockwhich) { case LINUX_CPUCLOCK_PROF: PROC_STATLOCK(p); calcru(p, &ru.ru_utime, &ru.ru_stime); PROC_STATUNLOCK(p); PROC_UNLOCK(p); timevaladd(&ru.ru_utime, &ru.ru_stime); TIMEVAL_TO_TIMESPEC(&ru.ru_utime, &tp); break; case LINUX_CPUCLOCK_VIRT: PROC_STATLOCK(p); calcru(p, &ru.ru_utime, &ru.ru_stime); PROC_STATUNLOCK(p); PROC_UNLOCK(p); TIMEVAL_TO_TIMESPEC(&ru.ru_utime, &tp); break; case LINUX_CPUCLOCK_SCHED: PROC_UNLOCK(p); error = kern_clock_getcpuclockid2(td, pid, CPUCLOCK_WHICH_PID, &nwhich); if (error != 0) return (EINVAL); error = kern_clock_gettime(td, nwhich, &tp); break; default: PROC_UNLOCK(p); return (EINVAL); } break; case CLOCK_THREAD_CPUTIME_ID: clockwhich = LINUX_CPUCLOCK_WHICH(args->which); p = td->td_proc; tid = LINUX_CPUCLOCK_ID(args->which); if (tid == 0) { targettd = td; PROC_LOCK(p); } else { targettd = tdfind(tid, p->p_pid); if (targettd == NULL) return (EINVAL); } switch (clockwhich) { case LINUX_CPUCLOCK_PROF: PROC_STATLOCK(p); thread_lock(targettd); rufetchtd(targettd, &ru); thread_unlock(targettd); PROC_STATUNLOCK(p); PROC_UNLOCK(p); timevaladd(&ru.ru_utime, &ru.ru_stime); TIMEVAL_TO_TIMESPEC(&ru.ru_utime, &tp); break; case LINUX_CPUCLOCK_VIRT: PROC_STATLOCK(p); thread_lock(targettd); rufetchtd(targettd, &ru); thread_unlock(targettd); PROC_STATUNLOCK(p); PROC_UNLOCK(p); TIMEVAL_TO_TIMESPEC(&ru.ru_utime, &tp); break; case LINUX_CPUCLOCK_SCHED: error = kern_clock_getcpuclockid2(td, tid, CPUCLOCK_WHICH_TID, &nwhich); PROC_UNLOCK(p); if (error != 0) return (EINVAL); error = kern_clock_gettime(td, nwhich, &tp); break; default: PROC_UNLOCK(p); return (EINVAL); } break; default: error = kern_clock_gettime(td, nwhich, &tp); break; } if (error != 0) { LIN_SDT_PROBE1(time, linux_clock_gettime, gettime_error, error); LIN_SDT_PROBE1(time, linux_clock_gettime, return, error); return (error); } error = native_to_linux_timespec(<s, &tp); if (error != 0) return (error); error = copyout(<s, args->tp, sizeof lts); if (error != 0) LIN_SDT_PROBE1(time, linux_clock_gettime, copyout_error, error); LIN_SDT_PROBE1(time, linux_clock_gettime, return, error); return (error); } int linux_clock_settime(struct thread *td, struct linux_clock_settime_args *args) { struct timespec ts; struct l_timespec lts; int error; clockid_t nwhich = 0; /* XXX: GCC */ LIN_SDT_PROBE2(time, linux_clock_settime, entry, args->which, args->tp); error = linux_to_native_clockid(&nwhich, args->which); if (error != 0) { LIN_SDT_PROBE1(time, linux_clock_settime, conversion_error, error); LIN_SDT_PROBE1(time, linux_clock_settime, return, error); return (error); } error = copyin(args->tp, <s, sizeof lts); if (error != 0) { LIN_SDT_PROBE1(time, linux_clock_settime, copyin_error, error); LIN_SDT_PROBE1(time, linux_clock_settime, return, error); return (error); } error = linux_to_native_timespec(&ts, <s); if (error != 0) { LIN_SDT_PROBE1(time, linux_clock_settime, conversion_error, error); LIN_SDT_PROBE1(time, linux_clock_settime, return, error); return (error); } error = kern_clock_settime(td, nwhich, &ts); if (error != 0) LIN_SDT_PROBE1(time, linux_clock_settime, settime_error, error); LIN_SDT_PROBE1(time, linux_clock_settime, return, error); return (error); } int linux_clock_getres(struct thread *td, struct linux_clock_getres_args *args) { struct proc *p; struct timespec ts; struct l_timespec lts; int error, clockwhich; clockid_t nwhich = 0; /* XXX: GCC */ pid_t pid; lwpid_t tid; LIN_SDT_PROBE2(time, linux_clock_getres, entry, args->which, args->tp); error = linux_to_native_clockid(&nwhich, args->which); if (error != 0) { LIN_SDT_PROBE1(time, linux_clock_getres, conversion_error, error); LIN_SDT_PROBE1(time, linux_clock_getres, return, error); return (error); } /* - * Check user supplied clock id in case of per-process + * Check user supplied clock id in case of per-process * or thread-specific cpu-time clock. */ switch (nwhich) { case CLOCK_THREAD_CPUTIME_ID: tid = LINUX_CPUCLOCK_ID(args->which); if (tid != 0) { p = td->td_proc; if (tdfind(tid, p->p_pid) == NULL) return (ESRCH); PROC_UNLOCK(p); } break; case CLOCK_PROCESS_CPUTIME_ID: pid = LINUX_CPUCLOCK_ID(args->which); if (pid != 0) { error = pget(pid, PGET_CANSEE, &p); if (error != 0) return (EINVAL); PROC_UNLOCK(p); } break; } if (args->tp == NULL) { LIN_SDT_PROBE0(time, linux_clock_getres, nullcall); LIN_SDT_PROBE1(time, linux_clock_getres, return, 0); - return (0); + return (0); } switch (nwhich) { case CLOCK_THREAD_CPUTIME_ID: case CLOCK_PROCESS_CPUTIME_ID: clockwhich = LINUX_CPUCLOCK_WHICH(args->which); switch (clockwhich) { case LINUX_CPUCLOCK_PROF: nwhich = CLOCK_PROF; break; case LINUX_CPUCLOCK_VIRT: nwhich = CLOCK_VIRTUAL; break; case LINUX_CPUCLOCK_SCHED: break; default: return (EINVAL); } break; default: break; } error = kern_clock_getres(td, nwhich, &ts); if (error != 0) { LIN_SDT_PROBE1(time, linux_clock_getres, getres_error, error); LIN_SDT_PROBE1(time, linux_clock_getres, return, error); return (error); } error = native_to_linux_timespec(<s, &ts); if (error != 0) return (error); error = copyout(<s, args->tp, sizeof lts); if (error != 0) LIN_SDT_PROBE1(time, linux_clock_getres, copyout_error, error); LIN_SDT_PROBE1(time, linux_clock_getres, return, error); return (error); } int linux_nanosleep(struct thread *td, struct linux_nanosleep_args *args) { struct timespec *rmtp; struct l_timespec lrqts, lrmts; struct timespec rqts, rmts; int error, error2; LIN_SDT_PROBE2(time, linux_nanosleep, entry, args->rqtp, args->rmtp); error = copyin(args->rqtp, &lrqts, sizeof lrqts); if (error != 0) { LIN_SDT_PROBE1(time, linux_nanosleep, copyin_error, error); LIN_SDT_PROBE1(time, linux_nanosleep, return, error); return (error); } if (args->rmtp != NULL) rmtp = &rmts; else rmtp = NULL; error = linux_to_native_timespec(&rqts, &lrqts); if (error != 0) { LIN_SDT_PROBE1(time, linux_nanosleep, conversion_error, error); LIN_SDT_PROBE1(time, linux_nanosleep, return, error); return (error); } error = kern_nanosleep(td, &rqts, rmtp); if (error == EINTR && args->rmtp != NULL) { error2 = native_to_linux_timespec(&lrmts, rmtp); if (error2 != 0) return (error2); error2 = copyout(&lrmts, args->rmtp, sizeof(lrmts)); if (error2 != 0) { LIN_SDT_PROBE1(time, linux_nanosleep, copyout_error, error2); LIN_SDT_PROBE1(time, linux_nanosleep, return, error2); return (error2); } } LIN_SDT_PROBE1(time, linux_nanosleep, return, error); return (error); } int linux_clock_nanosleep(struct thread *td, struct linux_clock_nanosleep_args *args) { struct timespec *rmtp; struct l_timespec lrqts, lrmts; struct timespec rqts, rmts; int error, error2, flags; clockid_t clockid; LIN_SDT_PROBE4(time, linux_clock_nanosleep, entry, args->which, args->flags, args->rqtp, args->rmtp); error = linux_to_native_timerflags(&flags, args->flags); if (error != 0) { LIN_SDT_PROBE1(time, linux_clock_nanosleep, unsupported_flags, args->flags); LIN_SDT_PROBE1(time, linux_clock_nanosleep, return, error); return (error); } error = linux_to_native_clockid(&clockid, args->which); if (error != 0) { LIN_SDT_PROBE1(time, linux_clock_nanosleep, unsupported_clockid, args->which); LIN_SDT_PROBE1(time, linux_clock_settime, return, error); return (error); } error = copyin(args->rqtp, &lrqts, sizeof(lrqts)); if (error != 0) { LIN_SDT_PROBE1(time, linux_clock_nanosleep, copyin_error, error); LIN_SDT_PROBE1(time, linux_clock_nanosleep, return, error); return (error); } if (args->rmtp != NULL) rmtp = &rmts; else rmtp = NULL; error = linux_to_native_timespec(&rqts, &lrqts); if (error != 0) { LIN_SDT_PROBE1(time, linux_clock_nanosleep, conversion_error, error); LIN_SDT_PROBE1(time, linux_clock_nanosleep, return, error); return (error); } error = kern_clock_nanosleep(td, clockid, flags, &rqts, rmtp); if (error == EINTR && (flags & TIMER_ABSTIME) == 0 && args->rmtp != NULL) { error2 = native_to_linux_timespec(&lrmts, rmtp); if (error2 != 0) return (error2); error2 = copyout(&lrmts, args->rmtp, sizeof(lrmts)); if (error2 != 0) { LIN_SDT_PROBE1(time, linux_clock_nanosleep, copyout_error, error2); LIN_SDT_PROBE1(time, linux_clock_nanosleep, return, error2); return (error2); } } LIN_SDT_PROBE1(time, linux_clock_nanosleep, return, error); return (error); } Index: head/sys/compat/linux/linux_util.h =================================================================== --- head/sys/compat/linux/linux_util.h (revision 328889) +++ head/sys/compat/linux/linux_util.h (revision 328890) @@ -1,154 +1,154 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1994 Christos Zoulas * Copyright (c) 1995 Frank van der Linden * Copyright (c) 1995 Scott Bartram * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * from: svr4_util.h,v 1.5 1994/11/18 02:54:31 christos Exp * from: linux_util.h,v 1.2 1995/03/05 23:23:50 fvdl Exp * $FreeBSD$ */ #ifndef _LINUX_UTIL_H_ #define _LINUX_UTIL_H_ #include #include #include #include #include #include #include #include MALLOC_DECLARE(M_LINUX); MALLOC_DECLARE(M_EPOLL); MALLOC_DECLARE(M_FUTEX); MALLOC_DECLARE(M_FUTEX_WP); extern const char linux_emul_path[]; int linux_emul_convpath(struct thread *, const char *, enum uio_seg, char **, int, int); #define LCONVPATH_AT(td, upath, pathp, i, dfd) \ do { \ int _error; \ \ _error = linux_emul_convpath(td, upath, UIO_USERSPACE, \ pathp, i, dfd); \ if (*(pathp) == NULL) \ return (_error); \ } while (0) -#define LCONVPATH(td, upath, pathp, i) \ +#define LCONVPATH(td, upath, pathp, i) \ LCONVPATH_AT(td, upath, pathp, i, AT_FDCWD) #define LCONVPATHEXIST(td, upath, pathp) LCONVPATH(td, upath, pathp, 0) #define LCONVPATHEXIST_AT(td, upath, pathp, dfd) LCONVPATH_AT(td, upath, pathp, 0, dfd) #define LCONVPATHCREAT(td, upath, pathp) LCONVPATH(td, upath, pathp, 1) #define LCONVPATHCREAT_AT(td, upath, pathp, dfd) LCONVPATH_AT(td, upath, pathp, 1, dfd) #define LFREEPATH(path) free(path, M_TEMP) #define DUMMY(s) \ LIN_SDT_PROBE_DEFINE0(dummy, s, entry); \ LIN_SDT_PROBE_DEFINE0(dummy, s, not_implemented); \ LIN_SDT_PROBE_DEFINE1(dummy, s, return, "int"); \ int \ linux_ ## s(struct thread *td, struct linux_ ## s ## _args *args) \ { \ static pid_t pid; \ \ LIN_SDT_PROBE0(dummy, s, entry); \ \ if (pid != td->td_proc->p_pid) { \ linux_msg(td, "syscall %s not implemented", #s); \ LIN_SDT_PROBE0(dummy, s, not_implemented); \ pid = td->td_proc->p_pid; \ }; \ \ LIN_SDT_PROBE1(dummy, s, return, ENOSYS); \ return (ENOSYS); \ } \ struct __hack /* * This is for the syscalls that are not even yet implemented in Linux. * * They're marked as UNIMPL in syscall.master so it will * have nosys record in linux_sysent[]. */ #define UNIMPLEMENTED(s) void linux_msg(const struct thread *td, const char *fmt, ...) __printflike(2, 3); struct linux_device_handler { char *bsd_driver_name; char *linux_driver_name; char *bsd_device_name; char *linux_device_name; int linux_major; int linux_minor; int linux_char_device; }; int linux_device_register_handler(struct linux_device_handler *h); int linux_device_unregister_handler(struct linux_device_handler *h); char *linux_driver_get_name_dev(device_t dev); int linux_driver_get_major_minor(const char *node, int *major, int *minor); char *linux_get_char_devices(void); void linux_free_get_char_devices(char *string); #if defined(KTR) #define KTR_LINUX KTR_SUBSYS #define LINUX_CTRFMT(nm, fmt) #nm"("fmt")" #define LINUX_CTR6(f, m, p1, p2, p3, p4, p5, p6) do { \ CTR6(KTR_LINUX, LINUX_CTRFMT(f, m), \ p1, p2, p3, p4, p5, p6); \ } while (0) #define LINUX_CTR(f) LINUX_CTR6(f, "", 0, 0, 0, 0, 0, 0) #define LINUX_CTR0(f, m) LINUX_CTR6(f, m, 0, 0, 0, 0, 0, 0) #define LINUX_CTR1(f, m, p1) LINUX_CTR6(f, m, p1, 0, 0, 0, 0, 0) #define LINUX_CTR2(f, m, p1, p2) LINUX_CTR6(f, m, p1, p2, 0, 0, 0, 0) #define LINUX_CTR3(f, m, p1, p2, p3) LINUX_CTR6(f, m, p1, p2, p3, 0, 0, 0) #define LINUX_CTR4(f, m, p1, p2, p3, p4) LINUX_CTR6(f, m, p1, p2, p3, p4, 0, 0) #define LINUX_CTR5(f, m, p1, p2, p3, p4, p5) LINUX_CTR6(f, m, p1, p2, p3, p4, p5, 0) #else #define LINUX_CTR(f) #define LINUX_CTR0(f, m) #define LINUX_CTR1(f, m, p1) #define LINUX_CTR2(f, m, p1, p2) #define LINUX_CTR3(f, m, p1, p2, p3) #define LINUX_CTR4(f, m, p1, p2, p3, p4) #define LINUX_CTR5(f, m, p1, p2, p3, p4, p5) #define LINUX_CTR6(f, m, p1, p2, p3, p4, p5, p6) #endif #endif /* !_LINUX_UTIL_H_ */ Index: head/sys/compat/linux/stats_timing.d =================================================================== --- head/sys/compat/linux/stats_timing.d (revision 328889) +++ head/sys/compat/linux/stats_timing.d (revision 328890) @@ -1,93 +1,93 @@ #!/usr/sbin/dtrace -qs /*- * Copyright (c) 2008-2012 Alexander Leidinger * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ /** * Some statistics (all per provider): * - number of calls to a function per executable binary (not per PID!) * - allows to see where an optimization would be beneficial for a given * application * - graph of CPU time spend in functions per executable binary * - together with the number of calls to this function this allows * to determine if a kernel optimization would be beneficial / is * possible for a given application * - graph of longest running (CPU-time!) function in total * - may help finding problem cases in the kernel code * - graph of longest held (CPU-time!) locks */ #pragma D option dynvarsize=32m linuxulator*:::entry { self->time[probefunc] = vtimestamp; @calls[probeprov, execname, probefunc] = count(); } linuxulator*:::return /self->time[probefunc] != 0/ { this->timediff = self->time[probefunc] - vtimestamp; @stats[probeprov, execname, probefunc] = quantize(this->timediff); @longest[probeprov, probefunc] = max(this->timediff); - + self->time[probefunc] = 0; } linuxulator*:::locked { self->lock[arg0] = vtimestamp; } linuxulator*:::unlock /self->lock[arg0] != 0/ { this->timediff = self->lock[arg0] - vtimestamp; @lockstats[probefunc] = quantize(this->timediff); @longlock[probefunc] = max(this->timediff); self->lock[arg0] = 0; } END { printf("Number of calls per provider/application/kernel function:"); printa(@calls); printf("CPU-timing statistics per provider/application/kernel function (in ns):"); printa(@stats); printf("Longest running (CPU-time!) functions per provider (in ns):"); printa(@longest); printf("Lock CPU-timing statistics:"); printa(@lockstats); printf("Longest running (CPU-time!) locks:"); printa(@longlock); } Index: head/sys/compat/linux/trace_futexes.d =================================================================== --- head/sys/compat/linux/trace_futexes.d (revision 328889) +++ head/sys/compat/linux/trace_futexes.d (revision 328890) @@ -1,182 +1,182 @@ #!/usr/sbin/dtrace -qs /*- * Copyright (c) 2011-2012 Alexander Leidinger * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ /** * Trace futex operations: * - internal locks * - size of the futex list * - report error conditions (emulation errors, kernel errors, * programming errors) * - execution time (wallclock) of futex related functions */ #pragma D option specsize=32m /* Error conditions */ linuxulator*:futex:futex_get:error, linuxulator*:futex:futex_sleep:requeue_error, linuxulator*:futex:futex_sleep:sleep_error, linuxulator*:futex:futex_wait:copyin_error, linuxulator*:futex:futex_wait:itimerfix_error, linuxulator*:futex:futex_wait:sleep_error, linuxulator*:futex:futex_atomic_op:missing_access_check, linuxulator*:futex:futex_atomic_op:unimplemented_op, linuxulator*:futex:futex_atomic_op:unimplemented_cmp, linuxulator*:futex:linux_sys_futex:unimplemented_clockswitch, linuxulator*:futex:linux_sys_futex:copyin_error, linuxulator*:futex:linux_sys_futex:unhandled_efault, linuxulator*:futex:linux_sys_futex:unimplemented_lock_pi, linuxulator*:futex:linux_sys_futex:unimplemented_unlock_pi, linuxulator*:futex:linux_sys_futex:unimplemented_trylock_pi, linuxulator*:futex:linux_sys_futex:unimplemented_wait_requeue_pi, linuxulator*:futex:linux_sys_futex:unimplemented_cmp_requeue_pi, linuxulator*:futex:linux_sys_futex:unknown_operation, linuxulator*:futex:linux_get_robust_list:copyout_error, linuxulator*:futex:handle_futex_death:copyin_error, linuxulator*:futex:fetch_robust_entry:copyin_error, linuxulator*:futex:release_futexes:copyin_error { printf("ERROR: %s in %s:%s:%s\n", probename, probeprov, probemod, probefunc); stack(); ustack(); } linuxulator*:futex:linux_sys_futex:invalid_cmp_requeue_use, linuxulator*:futex:linux_sys_futex:deprecated_requeue, linuxulator*:futex:linux_set_robust_list:size_error { printf("WARNING: %s:%s:%s:%s in application %s, maybe an application error?\n", probename, probeprov, probemod, probefunc, execname); stack(); ustack(); } /* Per futex checks/statistics */ linuxulator*:futex:futex:create { ++futex_count; @max_futexes = max(futex_count); } linuxulator*:futex:futex:destroy /futex_count == 0/ { printf("ERROR: Request to destroy a futex which was not created,\n"); printf(" or this script was started after some futexes where\n"); printf(" created. Stack trace:\n"); stack(); ustack(); } linuxulator*:futex:futex:destroy { --futex_count; } /* Internal locks */ linuxulator*:locks:futex_mtx:locked { ++check[probefunc, arg0]; @stats[probefunc] = count(); ts[probefunc] = timestamp; spec[probefunc] = speculation(); printf("Stacktrace of last lock operation of the %s:\n", probefunc); stack(); } linuxulator*:locks:futex_mtx:unlock /check[probefunc, arg0] == 0/ { printf("ERROR: unlock attempt of unlocked %s (%p),", probefunc, arg0); printf(" missing SDT probe in kernel, or dtrace program started"); printf(" while the %s was already held (race condition).", probefunc); printf(" Stack trace follows:"); stack(); } linuxulator*:locks:futex_mtx:unlock { discard(spec[probefunc]); spec[probefunc] = 0; --check[probefunc, arg0]; } /* Timeout handling for internal locks */ tick-10s /spec["futex_mtx"] != 0 && timestamp - ts["futex_mtx"] >= 9999999000/ { commit(spec["futex_mtx"]); spec["futex_mtx"] = 0; } /* Timing statistings */ linuxulator*:futex::entry { self->time[probefunc] = timestamp; @calls[probeprov, execname, probefunc] = count(); } linuxulator*:futex::return /self->time[probefunc] != 0/ { this->timediff = self->time[probefunc] - timestamp; - @timestats[probeprov, execname, probefunc] = quantize(this->timediff); - @longest[probeprov, probefunc] = max(this->timediff); + @timestats[probeprov, execname, probefunc] = quantize(this->timediff); + @longest[probeprov, probefunc] = max(this->timediff); - self->time[probefunc] = 0; + self->time[probefunc] = 0; } /* Statistics */ END { printf("Number of locks per type:"); printa(@stats); printf("Number of maximum number of futexes in the futex list:"); printa(@max_futexes); printf("Number of futexes still existing: %d", futex_count); printf("Number of calls per provider/application/kernel function:"); printa(@calls); printf("Wallclock-timing statistics per provider/application/kernel function (in ns):"); printa(@timestats); printf("Longest running (wallclock!) functions per provider (in ns):"); printa(@longest); } Index: head/sys/i386/linux/linux.h =================================================================== --- head/sys/i386/linux/linux.h (revision 328889) +++ head/sys/i386/linux/linux.h (revision 328890) @@ -1,615 +1,615 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1994-1996 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _I386_LINUX_H_ #define _I386_LINUX_H_ #include /* for sigval union */ #include #include /* * debugging support */ extern u_char linux_debug_map[]; #define ldebug(name) isclr(linux_debug_map, LINUX_SYS_linux_ ## name) #define ARGS(nm, fmt) "linux(%ld/%ld): "#nm"("fmt")\n", \ (long)td->td_proc->p_pid, (long)td->td_tid #define LMSG(fmt) "linux(%ld/%ld): "fmt"\n", \ (long)td->td_proc->p_pid, (long)td->td_tid #define LINUX_DTRACE linuxulator #define LINUX_SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE) #define LINUX_USRSTACK LINUX_SHAREDPAGE #define PTRIN(v) (void *)(v) #define PTROUT(v) (l_uintptr_t)(v) #define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) #define CP2(src,dst,sfld,dfld) do { (dst).dfld = (src).sfld; } while (0) #define PTRIN_CP(src,dst,fld) \ do { (dst).fld = PTRIN((src).fld); } while (0) /* * Provide a separate set of types for the Linux types. */ typedef int l_int; typedef int32_t l_long; typedef int64_t l_longlong; typedef short l_short; typedef unsigned int l_uint; typedef uint32_t l_ulong; typedef uint64_t l_ulonglong; typedef unsigned short l_ushort; typedef char *l_caddr_t; typedef l_ulong l_uintptr_t; typedef l_long l_clock_t; typedef l_int l_daddr_t; typedef l_ushort l_dev_t; typedef l_uint l_gid_t; typedef l_ushort l_gid16_t; typedef l_ulong l_ino_t; typedef l_int l_key_t; typedef l_longlong l_loff_t; typedef l_ushort l_mode_t; typedef l_long l_off_t; typedef l_int l_pid_t; typedef l_uint l_size_t; typedef l_long l_suseconds_t; typedef l_long l_time_t; typedef l_uint l_uid_t; typedef l_ushort l_uid16_t; typedef l_int l_timer_t; typedef l_int l_mqd_t; typedef l_ulong l_fd_mask; typedef struct { l_int val[2]; } l_fsid_t; typedef struct { l_time_t tv_sec; l_suseconds_t tv_usec; } l_timeval; #define l_fd_set fd_set /* * Miscellaneous */ #define LINUX_AT_COUNT 20 /* Count of used aux entry types. * Keep this synchronized with * elf_linux_fixup() code. */ struct l___sysctl_args { l_int *name; l_int nlen; void *oldval; l_size_t *oldlenp; void *newval; l_size_t newlen; l_ulong __spare[4]; }; /* Resource limits */ #define LINUX_RLIMIT_CPU 0 #define LINUX_RLIMIT_FSIZE 1 #define LINUX_RLIMIT_DATA 2 #define LINUX_RLIMIT_STACK 3 #define LINUX_RLIMIT_CORE 4 #define LINUX_RLIMIT_RSS 5 #define LINUX_RLIMIT_NPROC 6 #define LINUX_RLIMIT_NOFILE 7 #define LINUX_RLIMIT_MEMLOCK 8 #define LINUX_RLIMIT_AS 9 /* Address space limit */ #define LINUX_RLIM_NLIMITS 10 struct l_rlimit { l_ulong rlim_cur; l_ulong rlim_max; }; struct l_mmap_argv { l_uintptr_t addr; l_size_t len; l_int prot; l_int flags; l_int fd; l_off_t pgoff; } __packed; /* * stat family of syscalls */ struct l_timespec { l_time_t tv_sec; l_long tv_nsec; }; struct l_newstat { l_ushort st_dev; l_ushort __pad1; l_ulong st_ino; l_ushort st_mode; l_ushort st_nlink; l_ushort st_uid; l_ushort st_gid; l_ushort st_rdev; l_ushort __pad2; l_ulong st_size; l_ulong st_blksize; l_ulong st_blocks; struct l_timespec st_atim; struct l_timespec st_mtim; struct l_timespec st_ctim; l_ulong __unused4; l_ulong __unused5; }; struct l_stat { l_ushort st_dev; l_ulong st_ino; l_ushort st_mode; l_ushort st_nlink; l_ushort st_uid; l_ushort st_gid; l_ushort st_rdev; l_long st_size; struct l_timespec st_atim; struct l_timespec st_mtim; struct l_timespec st_ctim; l_long st_blksize; l_long st_blocks; l_ulong st_flags; l_ulong st_gen; }; struct l_stat64 { l_ushort st_dev; u_char __pad0[10]; l_ulong __st_ino; l_uint st_mode; l_uint st_nlink; l_ulong st_uid; l_ulong st_gid; l_ushort st_rdev; u_char __pad3[10]; l_longlong st_size; l_ulong st_blksize; l_ulong st_blocks; l_ulong __pad4; struct l_timespec st_atim; struct l_timespec st_mtim; struct l_timespec st_ctim; l_ulonglong st_ino; }; -struct l_statfs64 { - l_int f_type; - l_int f_bsize; - uint64_t f_blocks; - uint64_t f_bfree; - uint64_t f_bavail; - uint64_t f_files; - uint64_t f_ffree; - l_fsid_t f_fsid; - l_int f_namelen; - l_int f_frsize; - l_int f_flags; - l_int f_spare[4]; +struct l_statfs64 { + l_int f_type; + l_int f_bsize; + uint64_t f_blocks; + uint64_t f_bfree; + uint64_t f_bavail; + uint64_t f_files; + uint64_t f_ffree; + l_fsid_t f_fsid; + l_int f_namelen; + l_int f_frsize; + l_int f_flags; + l_int f_spare[4]; }; #define LINUX_NSIG_WORDS 2 /* sigaction flags */ #define LINUX_SA_NOCLDSTOP 0x00000001 #define LINUX_SA_NOCLDWAIT 0x00000002 #define LINUX_SA_SIGINFO 0x00000004 #define LINUX_SA_RESTORER 0x04000000 #define LINUX_SA_ONSTACK 0x08000000 #define LINUX_SA_RESTART 0x10000000 #define LINUX_SA_INTERRUPT 0x20000000 #define LINUX_SA_NOMASK 0x40000000 #define LINUX_SA_ONESHOT 0x80000000 /* sigprocmask actions */ #define LINUX_SIG_BLOCK 0 #define LINUX_SIG_UNBLOCK 1 #define LINUX_SIG_SETMASK 2 /* sigaltstack */ #define LINUX_MINSIGSTKSZ 2048 typedef void (*l_handler_t)(l_int); typedef l_ulong l_osigset_t; typedef struct { l_handler_t lsa_handler; l_osigset_t lsa_mask; l_ulong lsa_flags; void (*lsa_restorer)(void); } l_osigaction_t; typedef struct { l_handler_t lsa_handler; l_ulong lsa_flags; void (*lsa_restorer)(void); l_sigset_t lsa_mask; } l_sigaction_t; typedef struct { void *ss_sp; l_int ss_flags; l_size_t ss_size; } l_stack_t; /* The Linux sigcontext, pretty much a standard 386 trapframe. */ struct l_sigcontext { l_int sc_gs; l_int sc_fs; l_int sc_es; l_int sc_ds; l_int sc_edi; l_int sc_esi; l_int sc_ebp; l_int sc_esp; l_int sc_ebx; l_int sc_edx; l_int sc_ecx; l_int sc_eax; l_int sc_trapno; l_int sc_err; l_int sc_eip; l_int sc_cs; l_int sc_eflags; l_int sc_esp_at_signal; l_int sc_ss; l_int sc_387; l_int sc_mask; l_int sc_cr2; }; struct l_ucontext { l_ulong uc_flags; void *uc_link; l_stack_t uc_stack; struct l_sigcontext uc_mcontext; l_sigset_t uc_sigmask; }; #define LINUX_SI_MAX_SIZE 128 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3) typedef union l_sigval { l_int sival_int; l_uintptr_t sival_ptr; } l_sigval_t; typedef struct l_siginfo { l_int lsi_signo; l_int lsi_errno; l_int lsi_code; union { l_int _pad[LINUX_SI_PAD_SIZE]; struct { l_pid_t _pid; l_uid_t _uid; } _kill; struct { l_timer_t _tid; l_int _overrun; char _pad[sizeof(l_uid_t) - sizeof(l_int)]; l_sigval_t _sigval; l_int _sys_private; } _timer; struct { l_pid_t _pid; /* sender's pid */ l_uid_t _uid; /* sender's uid */ l_sigval_t _sigval; } _rt; struct { l_pid_t _pid; /* which child */ l_uid_t _uid; /* sender's uid */ l_int _status; /* exit code */ l_clock_t _utime; l_clock_t _stime; } _sigchld; struct { l_uintptr_t _addr; /* Faulting insn/memory ref. */ } _sigfault; struct { l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */ l_int _fd; } _sigpoll; } _sifields; } l_siginfo_t; #define lsi_pid _sifields._kill._pid #define lsi_uid _sifields._kill._uid #define lsi_tid _sifields._timer._tid #define lsi_overrun _sifields._timer._overrun #define lsi_sys_private _sifields._timer._sys_private #define lsi_status _sifields._sigchld._status #define lsi_utime _sifields._sigchld._utime #define lsi_stime _sifields._sigchld._stime #define lsi_value _sifields._rt._sigval #define lsi_int _sifields._rt._sigval.sival_int #define lsi_ptr _sifields._rt._sigval.sival_ptr #define lsi_addr _sifields._sigfault._addr #define lsi_band _sifields._sigpoll._band #define lsi_fd _sifields._sigpoll._fd struct l_fpreg { u_int16_t significand[4]; u_int16_t exponent; }; struct l_fpxreg { u_int16_t significand[4]; u_int16_t exponent; u_int16_t padding[3]; }; struct l_xmmreg { u_int32_t element[4]; }; struct l_fpstate { /* Regular FPU environment */ u_int32_t cw; u_int32_t sw; u_int32_t tag; u_int32_t ipoff; u_int32_t cssel; u_int32_t dataoff; u_int32_t datasel; struct l_fpreg _st[8]; u_int16_t status; u_int16_t magic; /* 0xffff = regular FPU data */ /* FXSR FPU environment */ u_int32_t _fxsr_env[6]; /* env is ignored. */ u_int32_t mxcsr; u_int32_t reserved; struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */ struct l_xmmreg _xmm[8]; u_int32_t padding[56]; }; /* * We make the stack look like Linux expects it when calling a signal * handler, but use the BSD way of calling the handler and sigreturn(). * This means that we need to pass the pointer to the handler too. * It is appended to the frame to not interfere with the rest of it. */ struct l_sigframe { l_int sf_sig; struct l_sigcontext sf_sc; struct l_fpstate sf_fpstate; l_uint sf_extramask[LINUX_NSIG_WORDS-1]; l_handler_t sf_handler; }; struct l_rt_sigframe { l_int sf_sig; - l_siginfo_t *sf_siginfo; + l_siginfo_t *sf_siginfo; struct l_ucontext *sf_ucontext; l_siginfo_t sf_si; - struct l_ucontext sf_sc; - l_handler_t sf_handler; + struct l_ucontext sf_sc; + l_handler_t sf_handler; }; extern struct sysentvec linux_sysvec; /* * arch specific open/fcntl flags */ #define LINUX_F_GETLK64 12 #define LINUX_F_SETLK64 13 #define LINUX_F_SETLKW64 14 union l_semun { l_int val; struct l_semid_ds *buf; l_ushort *array; struct l_seminfo *__buf; void *__pad; }; struct l_sockaddr { l_ushort sa_family; char sa_data[14]; }; struct l_ifmap { l_ulong mem_start; l_ulong mem_end; l_ushort base_addr; u_char irq; u_char dma; u_char port; }; #define LINUX_IFHWADDRLEN 6 #define LINUX_IFNAMSIZ 16 struct l_ifreq { union { char ifrn_name[LINUX_IFNAMSIZ]; } ifr_ifrn; union { struct l_sockaddr ifru_addr; struct l_sockaddr ifru_dstaddr; struct l_sockaddr ifru_broadaddr; struct l_sockaddr ifru_netmask; struct l_sockaddr ifru_hwaddr; l_short ifru_flags[1]; l_int ifru_ivalue; l_int ifru_mtu; struct l_ifmap ifru_map; char ifru_slave[LINUX_IFNAMSIZ]; l_caddr_t ifru_data; } ifr_ifru; }; #define ifr_name ifr_ifrn.ifrn_name /* Interface name */ #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ #define ifr_ifindex ifr_ifru.ifru_ivalue /* Interface index */ /* * poll() */ #define LINUX_POLLIN 0x0001 #define LINUX_POLLPRI 0x0002 #define LINUX_POLLOUT 0x0004 #define LINUX_POLLERR 0x0008 #define LINUX_POLLHUP 0x0010 #define LINUX_POLLNVAL 0x0020 #define LINUX_POLLRDNORM 0x0040 #define LINUX_POLLRDBAND 0x0080 #define LINUX_POLLWRNORM 0x0100 #define LINUX_POLLWRBAND 0x0200 #define LINUX_POLLMSG 0x0400 struct l_pollfd { l_int fd; l_short events; l_short revents; }; struct l_user_desc { l_uint entry_number; l_uint base_addr; l_uint limit; l_uint seg_32bit:1; l_uint contents:2; l_uint read_exec_only:1; l_uint limit_in_pages:1; l_uint seg_not_present:1; l_uint useable:1; }; struct l_desc_struct { unsigned long a, b; }; #define LINUX_LOWERWORD 0x0000ffff /* * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h. * These convert Linux user space descriptor to machine one. */ #define LINUX_LDT_entry_a(info) \ ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \ ((info)->limit & LINUX_LOWERWORD)) #define LINUX_ENTRY_B_READ_EXEC_ONLY 9 #define LINUX_ENTRY_B_CONTENTS 10 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15 #define LINUX_ENTRY_B_BASE_ADDR 16 #define LINUX_ENTRY_B_USEABLE 20 #define LINUX_ENTRY_B_SEG32BIT 22 #define LINUX_ENTRY_B_LIMIT 23 #define LINUX_LDT_entry_b(info) \ (((info)->base_addr & 0xff000000) | \ ((info)->limit & 0xf0000) | \ ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \ (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \ (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \ (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \ ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \ ((info)->useable << LINUX_ENTRY_B_USEABLE) | \ ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000) #define LINUX_LDT_empty(info) \ ((info)->base_addr == 0 && \ (info)->limit == 0 && \ (info)->contents == 0 && \ (info)->seg_not_present == 1 && \ (info)->read_exec_only == 1 && \ (info)->seg_32bit == 0 && \ (info)->limit_in_pages == 0 && \ (info)->useable == 0) /* * Macros for converting segments. * They do the same as those in arch/i386/kernel/process.c in Linux. */ #define LINUX_GET_BASE(desc) \ ((((desc)->a >> 16) & LINUX_LOWERWORD) | \ (((desc)->b << 16) & 0x00ff0000) | \ ((desc)->b & 0xff000000)) #define LINUX_GET_LIMIT(desc) \ (((desc)->a & LINUX_LOWERWORD) | \ ((desc)->b & 0xf0000)) #define LINUX_GET_32BIT(desc) \ (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1) #define LINUX_GET_CONTENTS(desc) \ (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3) #define LINUX_GET_WRITABLE(desc) \ (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1) #define LINUX_GET_LIMIT_PAGES(desc) \ (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1) #define LINUX_GET_PRESENT(desc) \ (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1) #define LINUX_GET_USEABLE(desc) \ (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1) #define linux_copyout_rusage(r, u) copyout(r, u, sizeof(*r)) /* robust futexes */ struct linux_robust_list { struct linux_robust_list *next; }; struct linux_robust_list_head { struct linux_robust_list list; l_long futex_offset; struct linux_robust_list *pending_list; }; #endif /* !_I386_LINUX_H_ */ Index: head/sys/i386/linux/linux_dummy.c =================================================================== --- head/sys/i386/linux/linux_dummy.c (revision 328889) +++ head/sys/i386/linux/linux_dummy.c (revision 328890) @@ -1,184 +1,184 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1994-1995 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer + * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include "opt_compat.h" #include #include #include #include #include #include #include #include #include /* DTrace init */ LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE); UNIMPLEMENTED(afs_syscall); UNIMPLEMENTED(break); UNIMPLEMENTED(create_module); /* added in linux 1.0 removed in 2.6 */ UNIMPLEMENTED(ftime); UNIMPLEMENTED(get_kernel_syms); /* added in linux 1.0 removed in 2.6 */ UNIMPLEMENTED(getpmsg); UNIMPLEMENTED(gtty); UNIMPLEMENTED(stty); UNIMPLEMENTED(lock); UNIMPLEMENTED(mpx); UNIMPLEMENTED(nfsservctl); /* added in linux 2.2 removed in 3.1 */ UNIMPLEMENTED(prof); UNIMPLEMENTED(profil); UNIMPLEMENTED(putpmsg); UNIMPLEMENTED(query_module); /* added in linux 2.2 removed in 2.6 */ UNIMPLEMENTED(ulimit); UNIMPLEMENTED(vserver); DUMMY(stime); DUMMY(fstat); DUMMY(olduname); DUMMY(syslog); DUMMY(uname); DUMMY(vhangup); DUMMY(vm86old); DUMMY(swapoff); DUMMY(adjtimex); DUMMY(init_module); DUMMY(delete_module); DUMMY(quotactl); DUMMY(bdflush); DUMMY(sysfs); DUMMY(vm86); DUMMY(sendfile); /* different semantics */ DUMMY(setfsuid); DUMMY(setfsgid); DUMMY(pivot_root); DUMMY(lookup_dcookie); DUMMY(remap_file_pages); DUMMY(mbind); DUMMY(get_mempolicy); DUMMY(set_mempolicy); DUMMY(kexec_load); /* linux 2.6.11: */ DUMMY(add_key); DUMMY(request_key); DUMMY(keyctl); /* linux 2.6.13: */ DUMMY(ioprio_set); DUMMY(ioprio_get); DUMMY(inotify_init); DUMMY(inotify_add_watch); DUMMY(inotify_rm_watch); /* linux 2.6.16: */ DUMMY(migrate_pages); DUMMY(unshare); /* linux 2.6.17: */ DUMMY(splice); DUMMY(sync_file_range); DUMMY(tee); DUMMY(vmsplice); /* linux 2.6.18: */ DUMMY(move_pages); /* linux 2.6.19: */ DUMMY(getcpu); /* linux 2.6.22: */ DUMMY(signalfd); /* linux 2.6.27: */ DUMMY(signalfd4); DUMMY(inotify_init1); /* linux 2.6.31: */ DUMMY(perf_event_open); /* linux 2.6.33: */ DUMMY(fanotify_init); DUMMY(fanotify_mark); /* linux 2.6.39: */ DUMMY(name_to_handle_at); DUMMY(open_by_handle_at); DUMMY(clock_adjtime); /* linux 3.0: */ DUMMY(setns); /* linux 3.2: */ DUMMY(process_vm_readv); DUMMY(process_vm_writev); /* linux 3.5: */ DUMMY(kcmp); /* linux 3.8: */ DUMMY(finit_module); DUMMY(sched_setattr); DUMMY(sched_getattr); /* linux 3.14: */ DUMMY(renameat2); /* linux 3.15: */ DUMMY(seccomp); DUMMY(memfd_create); /* linux 3.18: */ DUMMY(bpf); /* linux 3.19: */ DUMMY(execveat); /* linux 4.2: */ DUMMY(userfaultfd); /* linux 4.3: */ DUMMY(membarrier); /* linux 4.4: */ DUMMY(mlock2); /* linux 4.5: */ DUMMY(copy_file_range); /* linux 4.6: */ DUMMY(preadv2); DUMMY(pwritev2); /* linux 4.8: */ DUMMY(pkey_mprotect); DUMMY(pkey_alloc); DUMMY(pkey_free); #define DUMMY_XATTR(s) \ int \ linux_ ## s ## xattr( \ struct thread *td, struct linux_ ## s ## xattr_args *arg) \ { \ \ return (ENOATTR); \ } DUMMY_XATTR(set); DUMMY_XATTR(lset); DUMMY_XATTR(fset); DUMMY_XATTR(get); DUMMY_XATTR(lget); DUMMY_XATTR(fget); DUMMY_XATTR(list); DUMMY_XATTR(llist); DUMMY_XATTR(flist); DUMMY_XATTR(remove); DUMMY_XATTR(lremove); DUMMY_XATTR(fremove); Index: head/sys/i386/linux/linux_locore.s =================================================================== --- head/sys/i386/linux/linux_locore.s (revision 328889) +++ head/sys/i386/linux/linux_locore.s (revision 328890) @@ -1,149 +1,149 @@ /* $FreeBSD$ */ #include "linux_assym.h" /* system definitions */ #include /* miscellaneous asm macros */ #include /* system call numbers */ #include "assym.s" /* * To avoid excess stack frame the signal trampoline code emulates * the 'call' instruction. */ NON_GPROF_ENTRY(linux_sigcode) movl %esp, %ebx /* preserve sigframe */ call .getip0 .getip0: popl %eax add $.startsigcode-.getip0, %eax /* ret address */ push %eax jmp *LINUX_SIGF_HANDLER(%ebx) .startsigcode: popl %eax /* gcc unwind code need this */ movl $LINUX_SYS_linux_sigreturn,%eax /* linux_sigreturn() */ int $0x80 /* enter kernel with args */ .endsigcode: 0: jmp 0b NON_GPROF_ENTRY(linux_rt_sigcode) leal LINUX_RT_SIGF_UC(%esp),%ebx /* linux ucp */ leal LINUX_RT_SIGF_SC(%ebx),%ecx /* linux sigcontext */ movl %esp, %edi call .getip1 .getip1: popl %eax add $.startrtsigcode-.getip1, %eax /* ret address */ push %eax jmp *LINUX_RT_SIGF_HANDLER(%edi) .startrtsigcode: movl $LINUX_SYS_linux_rt_sigreturn,%eax /* linux_rt_sigreturn() */ int $0x80 /* enter kernel with args */ .endrtsigcode: 0: jmp 0b NON_GPROF_ENTRY(linux_vsyscall) .startvsyscall: int $0x80 ret .endvsyscall: #if 0 .section .note.Linux, "a",@note .long 2f - 1f /* namesz */ .balign 4 .long 4f - 3f /* descsz */ .long 0 1: .asciz "Linux" 2: .balign 4 3: .long LINUX_VERSION_CODE 4: .balign 4 .previous #endif -#define do_cfa_expr(offset) \ - .byte 0x0f; /* DW_CFA_def_cfa_expression */ \ - .uleb128 11f-10f; /* length */ \ -10: .byte 0x74; /* DW_OP_breg4 */ \ - .sleb128 offset; /* offset */ \ - .byte 0x06; /* DW_OP_deref */ \ +#define do_cfa_expr(offset) \ + .byte 0x0f; /* DW_CFA_def_cfa_expression */ \ + .uleb128 11f-10f; /* length */ \ +10: .byte 0x74; /* DW_OP_breg4 */ \ + .sleb128 offset; /* offset */ \ + .byte 0x06; /* DW_OP_deref */ \ 11: /* CIE */ .section .eh_frame,"a",@progbits .LSTARTFRAMEDLSI1: .long .LENDCIEDLSI1-.LSTARTCIEDLSI1 .LSTARTCIEDLSI1: .long 0 /* CIE ID */ .byte 1 /* Version number */ .string "zRS" /* NULL-terminated * augmentation string */ .uleb128 1 /* Code alignment factor */ .sleb128 -4 /* Data alignment factor */ .byte 8 /* Return address * register column */ .uleb128 1 /* Augmentation value length */ .byte 0x1b /* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */ .byte 0 /* DW_CFA_nop */ .align 4 .LENDCIEDLSI1: /* FDE */ .long .LENDFDEDLSI1-.LSTARTFDEDLSI1 /* Length FDE */ .LSTARTFDEDLSI1: .long .LSTARTFDEDLSI1-.LSTARTFRAMEDLSI1 /* CIE pointer */ .long .startsigcode-. /* PC-relative start address */ .long .endsigcode-.startsigcode .uleb128 0 /* Augmentation */ do_cfa_expr(LINUX_SIGF_SC-8) .align 4 .LENDFDEDLSI1: .long .LENDFDEDLSI2-.LSTARTFDEDLSI2 /* Length FDE */ .LSTARTFDEDLSI2: .long .LSTARTFDEDLSI2-.LSTARTFRAMEDLSI1 /* CIE pointer */ .long .startrtsigcode-. /* PC-relative start address */ .long .endrtsigcode-.startrtsigcode .uleb128 0 /* Augmentation */ do_cfa_expr(LINUX_RT_SIGF_SC-4+LINUX_SC_ESP) .align 4 .LENDFDEDLSI2: .previous .section .eh_frame,"a",@progbits .LSTARTFRAMEDLSI2: .long .LENDCIEDLSI2-.LSTARTCIEDLSI2 .LSTARTCIEDLSI2: .long 0 /* CIE ID */ .byte 1 /* Version number */ .string "zR" /* NULL-terminated * augmentation string */ .uleb128 1 /* Code alignment factor */ .sleb128 -4 /* Data alignment factor */ .byte 8 /* Return address register column */ .uleb128 1 /* Augmentation value length */ .byte 0x1b /* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */ .byte 0x0c /* DW_CFA_def_cfa */ .uleb128 4 .uleb128 4 .byte 0x88 /* DW_CFA_offset, column 0x8 */ .uleb128 1 .align 4 .LENDCIEDLSI2: .long .LENDFDEDLSI3-.LSTARTFDEDLSI3 /* Length FDE */ .LSTARTFDEDLSI3: .long .LSTARTFDEDLSI3-.LSTARTFRAMEDLSI2 /* CIE pointer */ .long .startvsyscall-. /* PC-relative start address */ .long .endvsyscall-.startvsyscall .uleb128 0 .align 4 .LENDFDEDLSI3: .previous Index: head/sys/i386/linux/linux_machdep.c =================================================================== --- head/sys/i386/linux/linux_machdep.c (revision 328889) +++ head/sys/i386/linux/linux_machdep.c (revision 328890) @@ -1,834 +1,834 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2000 Marcel Moolenaar * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* needed for pcb definition in linux_set_thread_area */ #include "opt_posix.h" extern struct sysentvec elf32_freebsd_sysvec; /* defined in i386/i386/elf_machdep.c */ struct l_descriptor { l_uint entry_number; l_ulong base_addr; l_uint limit; l_uint seg_32bit:1; l_uint contents:2; l_uint read_exec_only:1; l_uint limit_in_pages:1; l_uint seg_not_present:1; l_uint useable:1; }; struct l_old_select_argv { l_int nfds; l_fd_set *readfds; l_fd_set *writefds; l_fd_set *exceptfds; struct l_timeval *timeout; }; int linux_execve(struct thread *td, struct linux_execve_args *args) { struct image_args eargs; char *newpath; int error; LCONVPATHEXIST(td, args->path, &newpath); #ifdef DEBUG if (ldebug(execve)) printf(ARGS(execve, "%s"), newpath); #endif error = exec_copyin_args(&eargs, newpath, UIO_SYSSPACE, args->argp, args->envp); free(newpath, M_TEMP); if (error == 0) error = linux_common_execve(td, &eargs); return (error); } struct l_ipc_kludge { struct l_msgbuf *msgp; l_long msgtyp; }; int linux_ipc(struct thread *td, struct linux_ipc_args *args) { switch (args->what & 0xFFFF) { case LINUX_SEMOP: { struct linux_semop_args a; a.semid = args->arg1; a.tsops = args->ptr; a.nsops = args->arg2; return (linux_semop(td, &a)); } case LINUX_SEMGET: { struct linux_semget_args a; a.key = args->arg1; a.nsems = args->arg2; a.semflg = args->arg3; return (linux_semget(td, &a)); } case LINUX_SEMCTL: { struct linux_semctl_args a; int error; a.semid = args->arg1; a.semnum = args->arg2; a.cmd = args->arg3; error = copyin(args->ptr, &a.arg, sizeof(a.arg)); if (error) return (error); return (linux_semctl(td, &a)); } case LINUX_MSGSND: { struct linux_msgsnd_args a; a.msqid = args->arg1; a.msgp = args->ptr; a.msgsz = args->arg2; a.msgflg = args->arg3; return (linux_msgsnd(td, &a)); } case LINUX_MSGRCV: { struct linux_msgrcv_args a; a.msqid = args->arg1; a.msgsz = args->arg2; a.msgflg = args->arg3; if ((args->what >> 16) == 0) { struct l_ipc_kludge tmp; int error; if (args->ptr == NULL) return (EINVAL); error = copyin(args->ptr, &tmp, sizeof(tmp)); if (error) return (error); a.msgp = tmp.msgp; a.msgtyp = tmp.msgtyp; } else { a.msgp = args->ptr; a.msgtyp = args->arg5; } return (linux_msgrcv(td, &a)); } case LINUX_MSGGET: { struct linux_msgget_args a; a.key = args->arg1; a.msgflg = args->arg2; return (linux_msgget(td, &a)); } case LINUX_MSGCTL: { struct linux_msgctl_args a; a.msqid = args->arg1; a.cmd = args->arg2; a.buf = args->ptr; return (linux_msgctl(td, &a)); } case LINUX_SHMAT: { struct linux_shmat_args a; a.shmid = args->arg1; a.shmaddr = args->ptr; a.shmflg = args->arg2; a.raddr = (l_ulong *)args->arg3; return (linux_shmat(td, &a)); } case LINUX_SHMDT: { struct linux_shmdt_args a; a.shmaddr = args->ptr; return (linux_shmdt(td, &a)); } case LINUX_SHMGET: { struct linux_shmget_args a; a.key = args->arg1; a.size = args->arg2; a.shmflg = args->arg3; return (linux_shmget(td, &a)); } case LINUX_SHMCTL: { struct linux_shmctl_args a; a.shmid = args->arg1; a.cmd = args->arg2; a.buf = args->ptr; return (linux_shmctl(td, &a)); } default: break; } return (EINVAL); } int linux_old_select(struct thread *td, struct linux_old_select_args *args) { struct l_old_select_argv linux_args; struct linux_select_args newsel; int error; #ifdef DEBUG if (ldebug(old_select)) printf(ARGS(old_select, "%p"), args->ptr); #endif error = copyin(args->ptr, &linux_args, sizeof(linux_args)); if (error) return (error); newsel.nfds = linux_args.nfds; newsel.readfds = linux_args.readfds; newsel.writefds = linux_args.writefds; newsel.exceptfds = linux_args.exceptfds; newsel.timeout = linux_args.timeout; return (linux_select(td, &newsel)); } int linux_set_cloned_tls(struct thread *td, void *desc) { struct segment_descriptor sd; struct l_user_desc info; int idx, error; int a[2]; error = copyin(desc, &info, sizeof(struct l_user_desc)); if (error) { printf(LMSG("copyin failed!")); } else { idx = info.entry_number; - /* + /* * looks like we're getting the idx we returned * in the set_thread_area() syscall */ if (idx != 6 && idx != 3) { printf(LMSG("resetting idx!")); idx = 3; } /* this doesnt happen in practice */ if (idx == 6) { - /* we might copy out the entry_number as 3 */ - info.entry_number = 3; + /* we might copy out the entry_number as 3 */ + info.entry_number = 3; error = copyout(&info, desc, sizeof(struct l_user_desc)); if (error) printf(LMSG("copyout failed!")); } a[0] = LINUX_LDT_entry_a(&info); a[1] = LINUX_LDT_entry_b(&info); memcpy(&sd, &a, sizeof(a)); #ifdef DEBUG if (ldebug(clone)) printf("Segment created in clone with " "CLONE_SETTLS: lobase: %x, hibase: %x, " "lolimit: %x, hilimit: %x, type: %i, " "dpl: %i, p: %i, xx: %i, def32: %i, " "gran: %i\n", sd.sd_lobase, sd.sd_hibase, sd.sd_lolimit, sd.sd_hilimit, sd.sd_type, sd.sd_dpl, sd.sd_p, sd.sd_xx, sd.sd_def32, sd.sd_gran); #endif /* set %gs */ td->td_pcb->pcb_gsd = sd; td->td_pcb->pcb_gs = GSEL(GUGS_SEL, SEL_UPL); } return (error); } int linux_set_upcall_kse(struct thread *td, register_t stack) { if (stack) td->td_frame->tf_esp = stack; /* * The newly created Linux thread returns * to the user space by the same path that a parent do. */ td->td_frame->tf_eax = 0; return (0); } int linux_mmap2(struct thread *td, struct linux_mmap2_args *args) { #ifdef DEBUG if (ldebug(mmap2)) printf(ARGS(mmap2, "%p, %d, %d, 0x%08x, %d, %d"), (void *)args->addr, args->len, args->prot, args->flags, args->fd, args->pgoff); #endif return (linux_mmap_common(td, args->addr, args->len, args->prot, args->flags, args->fd, (uint64_t)(uint32_t)args->pgoff * PAGE_SIZE)); } int linux_mmap(struct thread *td, struct linux_mmap_args *args) { int error; struct l_mmap_argv linux_args; error = copyin(args->ptr, &linux_args, sizeof(linux_args)); if (error) return (error); #ifdef DEBUG if (ldebug(mmap)) printf(ARGS(mmap, "%p, %d, %d, 0x%08x, %d, %d"), (void *)linux_args.addr, linux_args.len, linux_args.prot, linux_args.flags, linux_args.fd, linux_args.pgoff); #endif return (linux_mmap_common(td, linux_args.addr, linux_args.len, linux_args.prot, linux_args.flags, linux_args.fd, (uint32_t)linux_args.pgoff)); } int linux_mprotect(struct thread *td, struct linux_mprotect_args *uap) { return (linux_mprotect_common(td, PTROUT(uap->addr), uap->len, uap->prot)); } int linux_ioperm(struct thread *td, struct linux_ioperm_args *args) { int error; struct i386_ioperm_args iia; iia.start = args->start; iia.length = args->length; iia.enable = args->enable; error = i386_set_ioperm(td, &iia); return (error); } int linux_iopl(struct thread *td, struct linux_iopl_args *args) { int error; if (args->level < 0 || args->level > 3) return (EINVAL); if ((error = priv_check(td, PRIV_IO)) != 0) return (error); if ((error = securelevel_gt(td->td_ucred, 0)) != 0) return (error); td->td_frame->tf_eflags = (td->td_frame->tf_eflags & ~PSL_IOPL) | (args->level * (PSL_IOPL / 3)); return (0); } int linux_modify_ldt(struct thread *td, struct linux_modify_ldt_args *uap) { int error; struct i386_ldt_args ldt; struct l_descriptor ld; union descriptor desc; int size, written; switch (uap->func) { case 0x00: /* read_ldt */ ldt.start = 0; ldt.descs = uap->ptr; ldt.num = uap->bytecount / sizeof(union descriptor); error = i386_get_ldt(td, &ldt); td->td_retval[0] *= sizeof(union descriptor); break; case 0x02: /* read_default_ldt = 0 */ size = 5*sizeof(struct l_desc_struct); if (size > uap->bytecount) size = uap->bytecount; for (written = error = 0; written < size && error == 0; written++) error = subyte((char *)uap->ptr + written, 0); td->td_retval[0] = written; break; case 0x01: /* write_ldt */ case 0x11: /* write_ldt */ if (uap->bytecount != sizeof(ld)) return (EINVAL); error = copyin(uap->ptr, &ld, sizeof(ld)); if (error) return (error); ldt.start = ld.entry_number; ldt.descs = &desc; ldt.num = 1; desc.sd.sd_lolimit = (ld.limit & 0x0000ffff); desc.sd.sd_hilimit = (ld.limit & 0x000f0000) >> 16; desc.sd.sd_lobase = (ld.base_addr & 0x00ffffff); desc.sd.sd_hibase = (ld.base_addr & 0xff000000) >> 24; desc.sd.sd_type = SDT_MEMRO | ((ld.read_exec_only ^ 1) << 1) | (ld.contents << 2); desc.sd.sd_dpl = 3; desc.sd.sd_p = (ld.seg_not_present ^ 1); desc.sd.sd_xx = 0; desc.sd.sd_def32 = ld.seg_32bit; desc.sd.sd_gran = ld.limit_in_pages; error = i386_set_ldt(td, &ldt, &desc); break; default: error = ENOSYS; break; } if (error == EOPNOTSUPP) { printf("linux: modify_ldt needs kernel option USER_LDT\n"); error = ENOSYS; } return (error); } int linux_sigaction(struct thread *td, struct linux_sigaction_args *args) { l_osigaction_t osa; l_sigaction_t act, oact; int error; #ifdef DEBUG if (ldebug(sigaction)) printf(ARGS(sigaction, "%d, %p, %p"), args->sig, (void *)args->nsa, (void *)args->osa); #endif if (args->nsa != NULL) { error = copyin(args->nsa, &osa, sizeof(l_osigaction_t)); if (error) return (error); act.lsa_handler = osa.lsa_handler; act.lsa_flags = osa.lsa_flags; act.lsa_restorer = osa.lsa_restorer; LINUX_SIGEMPTYSET(act.lsa_mask); act.lsa_mask.__mask = osa.lsa_mask; } error = linux_do_sigaction(td, args->sig, args->nsa ? &act : NULL, args->osa ? &oact : NULL); if (args->osa != NULL && !error) { osa.lsa_handler = oact.lsa_handler; osa.lsa_flags = oact.lsa_flags; osa.lsa_restorer = oact.lsa_restorer; osa.lsa_mask = oact.lsa_mask.__mask; error = copyout(&osa, args->osa, sizeof(l_osigaction_t)); } return (error); } /* * Linux has two extra args, restart and oldmask. We dont use these, * but it seems that "restart" is actually a context pointer that * enables the signal to happen with a different register set. */ int linux_sigsuspend(struct thread *td, struct linux_sigsuspend_args *args) { sigset_t sigmask; l_sigset_t mask; #ifdef DEBUG if (ldebug(sigsuspend)) printf(ARGS(sigsuspend, "%08lx"), (unsigned long)args->mask); #endif LINUX_SIGEMPTYSET(mask); mask.__mask = args->mask; linux_to_bsd_sigset(&mask, &sigmask); return (kern_sigsuspend(td, sigmask)); } int linux_rt_sigsuspend(struct thread *td, struct linux_rt_sigsuspend_args *uap) { l_sigset_t lmask; sigset_t sigmask; int error; #ifdef DEBUG if (ldebug(rt_sigsuspend)) printf(ARGS(rt_sigsuspend, "%p, %d"), (void *)uap->newset, uap->sigsetsize); #endif if (uap->sigsetsize != sizeof(l_sigset_t)) return (EINVAL); error = copyin(uap->newset, &lmask, sizeof(l_sigset_t)); if (error) return (error); linux_to_bsd_sigset(&lmask, &sigmask); return (kern_sigsuspend(td, sigmask)); } int linux_pause(struct thread *td, struct linux_pause_args *args) { struct proc *p = td->td_proc; sigset_t sigmask; #ifdef DEBUG if (ldebug(pause)) printf(ARGS(pause, "")); #endif PROC_LOCK(p); sigmask = td->td_sigmask; PROC_UNLOCK(p); return (kern_sigsuspend(td, sigmask)); } int linux_sigaltstack(struct thread *td, struct linux_sigaltstack_args *uap) { stack_t ss, oss; l_stack_t lss; int error; #ifdef DEBUG if (ldebug(sigaltstack)) printf(ARGS(sigaltstack, "%p, %p"), uap->uss, uap->uoss); #endif if (uap->uss != NULL) { error = copyin(uap->uss, &lss, sizeof(l_stack_t)); if (error) return (error); ss.ss_sp = lss.ss_sp; ss.ss_size = lss.ss_size; ss.ss_flags = linux_to_bsd_sigaltstack(lss.ss_flags); } error = kern_sigaltstack(td, (uap->uss != NULL) ? &ss : NULL, (uap->uoss != NULL) ? &oss : NULL); if (!error && uap->uoss != NULL) { lss.ss_sp = oss.ss_sp; lss.ss_size = oss.ss_size; lss.ss_flags = bsd_to_linux_sigaltstack(oss.ss_flags); error = copyout(&lss, uap->uoss, sizeof(l_stack_t)); } return (error); } int linux_ftruncate64(struct thread *td, struct linux_ftruncate64_args *args) { #ifdef DEBUG if (ldebug(ftruncate64)) printf(ARGS(ftruncate64, "%u, %jd"), args->fd, (intmax_t)args->length); #endif return (kern_ftruncate(td, args->fd, args->length)); } int linux_set_thread_area(struct thread *td, struct linux_set_thread_area_args *args) { struct l_user_desc info; int error; int idx; int a[2]; struct segment_descriptor sd; error = copyin(args->desc, &info, sizeof(struct l_user_desc)); if (error) return (error); #ifdef DEBUG if (ldebug(set_thread_area)) - printf(ARGS(set_thread_area, "%i, %x, %x, %i, %i, %i, %i, %i, %i\n"), + printf(ARGS(set_thread_area, "%i, %x, %x, %i, %i, %i, %i, %i, %i\n"), info.entry_number, - info.base_addr, - info.limit, - info.seg_32bit, + info.base_addr, + info.limit, + info.seg_32bit, info.contents, - info.read_exec_only, - info.limit_in_pages, - info.seg_not_present, - info.useable); + info.read_exec_only, + info.limit_in_pages, + info.seg_not_present, + info.useable); #endif idx = info.entry_number; - /* + /* * Semantics of linux version: every thread in the system has array of - * 3 tls descriptors. 1st is GLIBC TLS, 2nd is WINE, 3rd unknown. This + * 3 tls descriptors. 1st is GLIBC TLS, 2nd is WINE, 3rd unknown. This * syscall loads one of the selected tls decriptors with a value and * also loads GDT descriptors 6, 7 and 8 with the content of the * per-thread descriptors. * - * Semantics of fbsd version: I think we can ignore that linux has 3 + * Semantics of fbsd version: I think we can ignore that linux has 3 * per-thread descriptors and use just the 1st one. The tls_array[] * is used only in set/get-thread_area() syscalls and for loading the * GDT descriptors. In fbsd we use just one GDT descriptor for TLS so - * we will load just one. + * we will load just one. * * XXX: this doesn't work when a user space process tries to use more * than 1 TLS segment. Comment in the linux sources says wine might do * this. */ - /* - * we support just GLIBC TLS now + /* + * we support just GLIBC TLS now * we should let 3 proceed as well because we use this segment so * if code does two subsequent calls it should succeed */ if (idx != 6 && idx != -1 && idx != 3) return (EINVAL); - /* + /* * we have to copy out the GDT entry we use * FreeBSD uses GDT entry #3 for storing %gs so load that * * XXX: what if a user space program doesn't check this value and tries - * to use 6, 7 or 8? + * to use 6, 7 or 8? */ idx = info.entry_number = 3; error = copyout(&info, args->desc, sizeof(struct l_user_desc)); if (error) return (error); if (LINUX_LDT_empty(&info)) { a[0] = 0; a[1] = 0; } else { a[0] = LINUX_LDT_entry_a(&info); a[1] = LINUX_LDT_entry_b(&info); } memcpy(&sd, &a, sizeof(a)); #ifdef DEBUG if (ldebug(set_thread_area)) - printf("Segment created in set_thread_area: lobase: %x, hibase: %x, lolimit: %x, hilimit: %x, type: %i, dpl: %i, p: %i, xx: %i, def32: %i, gran: %i\n", sd.sd_lobase, + printf("Segment created in set_thread_area: lobase: %x, hibase: %x, lolimit: %x, hilimit: %x, type: %i, dpl: %i, p: %i, xx: %i, def32: %i, gran: %i\n", sd.sd_lobase, sd.sd_hibase, sd.sd_lolimit, sd.sd_hilimit, sd.sd_type, sd.sd_dpl, sd.sd_p, sd.sd_xx, sd.sd_def32, sd.sd_gran); #endif /* this is taken from i386 version of cpu_set_user_tls() */ critical_enter(); /* set %gs */ td->td_pcb->pcb_gsd = sd; PCPU_GET(fsgs_gdt)[1] = sd; load_gs(GSEL(GUGS_SEL, SEL_UPL)); critical_exit(); - + return (0); } int linux_get_thread_area(struct thread *td, struct linux_get_thread_area_args *args) { - + struct l_user_desc info; int error; int idx; struct l_desc_struct desc; struct segment_descriptor sd; #ifdef DEBUG if (ldebug(get_thread_area)) printf(ARGS(get_thread_area, "%p"), args->desc); #endif error = copyin(args->desc, &info, sizeof(struct l_user_desc)); if (error) return (error); idx = info.entry_number; /* XXX: I am not sure if we want 3 to be allowed too. */ if (idx != 6 && idx != 3) return (EINVAL); idx = 3; memset(&info, 0, sizeof(info)); sd = PCPU_GET(fsgs_gdt)[1]; memcpy(&desc, &sd, sizeof(desc)); info.entry_number = idx; info.base_addr = LINUX_GET_BASE(&desc); info.limit = LINUX_GET_LIMIT(&desc); info.seg_32bit = LINUX_GET_32BIT(&desc); info.contents = LINUX_GET_CONTENTS(&desc); info.read_exec_only = !LINUX_GET_WRITABLE(&desc); info.limit_in_pages = LINUX_GET_LIMIT_PAGES(&desc); info.seg_not_present = !LINUX_GET_PRESENT(&desc); info.useable = LINUX_GET_USEABLE(&desc); error = copyout(&info, args->desc, sizeof(struct l_user_desc)); if (error) - return (EFAULT); + return (EFAULT); return (0); } /* XXX: this wont work with module - convert it */ int linux_mq_open(struct thread *td, struct linux_mq_open_args *args) { #ifdef P1003_1B_MQUEUE - return sys_kmq_open(td, (struct kmq_open_args *) args); + return sys_kmq_open(td, (struct kmq_open_args *) args); #else return (ENOSYS); #endif } int linux_mq_unlink(struct thread *td, struct linux_mq_unlink_args *args) { #ifdef P1003_1B_MQUEUE - return sys_kmq_unlink(td, (struct kmq_unlink_args *) args); + return sys_kmq_unlink(td, (struct kmq_unlink_args *) args); #else return (ENOSYS); #endif } int linux_mq_timedsend(struct thread *td, struct linux_mq_timedsend_args *args) { #ifdef P1003_1B_MQUEUE - return sys_kmq_timedsend(td, (struct kmq_timedsend_args *) args); + return sys_kmq_timedsend(td, (struct kmq_timedsend_args *) args); #else return (ENOSYS); #endif } int linux_mq_timedreceive(struct thread *td, struct linux_mq_timedreceive_args *args) { #ifdef P1003_1B_MQUEUE - return sys_kmq_timedreceive(td, (struct kmq_timedreceive_args *) args); + return sys_kmq_timedreceive(td, (struct kmq_timedreceive_args *) args); #else return (ENOSYS); #endif } int linux_mq_notify(struct thread *td, struct linux_mq_notify_args *args) { #ifdef P1003_1B_MQUEUE return sys_kmq_notify(td, (struct kmq_notify_args *) args); #else return (ENOSYS); #endif } int linux_mq_getsetattr(struct thread *td, struct linux_mq_getsetattr_args *args) { #ifdef P1003_1B_MQUEUE - return sys_kmq_setattr(td, (struct kmq_setattr_args *) args); + return sys_kmq_setattr(td, (struct kmq_setattr_args *) args); #else return (ENOSYS); #endif } Index: head/sys/i386/linux/linux_support.s =================================================================== --- head/sys/i386/linux/linux_support.s (revision 328889) +++ head/sys/i386/linux/linux_support.s (revision 328890) @@ -1,126 +1,126 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2006,2007 Konstantin Belousov * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #include "linux_assym.h" /* system definitions */ #include /* miscellaneous asm macros */ #include "assym.s" futex_fault_decx: movl PCPU(CURPCB),%ecx futex_fault: movl $0,PCB_ONFAULT(%ecx) movl $-EFAULT,%eax ret ENTRY(futex_xchgl) movl PCPU(CURPCB),%ecx movl $futex_fault,PCB_ONFAULT(%ecx) movl 4(%esp),%eax movl 8(%esp),%edx cmpl $VM_MAXUSER_ADDRESS-4,%edx - ja futex_fault + ja futex_fault xchgl %eax,(%edx) movl 12(%esp),%edx movl %eax,(%edx) xorl %eax,%eax movl %eax,PCB_ONFAULT(%ecx) ret ENTRY(futex_addl) movl PCPU(CURPCB),%ecx movl $futex_fault,PCB_ONFAULT(%ecx) movl 4(%esp),%eax movl 8(%esp),%edx cmpl $VM_MAXUSER_ADDRESS-4,%edx - ja futex_fault + ja futex_fault #ifdef SMP lock #endif xaddl %eax,(%edx) movl 12(%esp),%edx movl %eax,(%edx) xorl %eax,%eax movl %eax,PCB_ONFAULT(%ecx) ret ENTRY(futex_orl) movl PCPU(CURPCB),%ecx movl $futex_fault_decx,PCB_ONFAULT(%ecx) movl 8(%esp),%edx cmpl $VM_MAXUSER_ADDRESS-4,%edx - ja futex_fault + ja futex_fault movl (%edx),%eax 1: movl %eax,%ecx orl 4(%esp),%ecx #ifdef SMP lock #endif cmpxchgl %ecx,(%edx) jnz 1b -futex_tail: +futex_tail: movl 12(%esp),%edx movl %eax,(%edx) xorl %eax,%eax movl PCPU(CURPCB),%ecx movl %eax,PCB_ONFAULT(%ecx) ret ENTRY(futex_andl) movl PCPU(CURPCB),%ecx movl $futex_fault_decx,PCB_ONFAULT(%ecx) movl 8(%esp),%edx cmpl $VM_MAXUSER_ADDRESS-4,%edx - ja futex_fault + ja futex_fault movl (%edx),%eax 1: movl %eax,%ecx andl 4(%esp),%ecx #ifdef SMP lock #endif cmpxchgl %ecx,(%edx) jnz 1b jmp futex_tail ENTRY(futex_xorl) movl PCPU(CURPCB),%ecx movl $futex_fault_decx,PCB_ONFAULT(%ecx) movl 8(%esp),%edx cmpl $VM_MAXUSER_ADDRESS-4,%edx - ja futex_fault + ja futex_fault movl (%edx),%eax 1: movl %eax,%ecx xorl 4(%esp),%ecx #ifdef SMP lock #endif cmpxchgl %ecx,(%edx) jnz 1b jmp futex_tail Index: head/sys/i386/linux/linux_sysvec.c =================================================================== --- head/sys/i386/linux/linux_sysvec.c (revision 328889) +++ head/sys/i386/linux/linux_sysvec.c (revision 328890) @@ -1,1217 +1,1215 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1994-1996 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include MODULE_VERSION(linux, 1); #if BYTE_ORDER == LITTLE_ENDIAN #define SHELLMAGIC 0x2123 /* #! */ #else #define SHELLMAGIC 0x2321 #endif #if defined(DEBUG) -SYSCTL_PROC(_compat_linux, OID_AUTO, debug, - CTLTYPE_STRING | CTLFLAG_RW, - 0, 0, linux_sysctl_debug, "A", - "Linux debugging control"); +SYSCTL_PROC(_compat_linux, OID_AUTO, debug, CTLTYPE_STRING | CTLFLAG_RW, 0, 0, + linux_sysctl_debug, "A", "Linux debugging control"); #endif /* * Allow the sendsig functions to use the ldebug() facility * even though they are not syscalls themselves. Map them * to syscall 0. This is slightly less bogus than using * ldebug(sigreturn). */ #define LINUX_SYS_linux_rt_sendsig 0 #define LINUX_SYS_linux_sendsig 0 #define LINUX_PS_STRINGS (LINUX_USRSTACK - sizeof(struct ps_strings)) static int linux_szsigcode; static vm_object_t linux_shared_page_obj; static char *linux_shared_page_mapping; extern char _binary_linux_locore_o_start; extern char _binary_linux_locore_o_end; extern struct sysent linux_sysent[LINUX_SYS_MAXSYSCALL]; SET_DECLARE(linux_ioctl_handler_set, struct linux_ioctl_handler); static int linux_fixup(register_t **stack_base, struct image_params *iparams); static int elf_linux_fixup(register_t **stack_base, struct image_params *iparams); static void linux_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask); static void exec_linux_setregs(struct thread *td, struct image_params *imgp, u_long stack); static register_t *linux_copyout_strings(struct image_params *imgp); static boolean_t linux_trans_osrel(const Elf_Note *note, int32_t *osrel); static void linux_vdso_install(void *param); static void linux_vdso_deinstall(void *param); static int linux_szplatform; const char *linux_kplatform; static eventhandler_tag linux_exit_tag; static eventhandler_tag linux_exec_tag; static eventhandler_tag linux_thread_dtor_tag; /* * Linux syscalls return negative errno's, we do positive and map them * Reference: * FreeBSD: src/sys/sys/errno.h * Linux: linux-2.6.17.8/include/asm-generic/errno-base.h * linux-2.6.17.8/include/asm-generic/errno.h */ static int bsd_to_linux_errno[ELAST + 1] = { -0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -35, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23, -24, -25, -26, -27, -28, -29, -30, -31, -32, -33, -34, -11,-115,-114, -88, -89, -90, -91, -92, -93, -94, -95, -96, -97, -98, -99, -100,-101,-102,-103,-104,-105,-106,-107,-108,-109, -110,-111, -40, -36,-112,-113, -39, -11, -87,-122, -116, -66, -6, -6, -6, -6, -6, -37, -38, -9, -6, -6, -43, -42, -75,-125, -84, -61, -16, -74, -72, -67, -71 }; #define LINUX_T_UNKNOWN 255 static int _bsd_to_linux_trapcode[] = { LINUX_T_UNKNOWN, /* 0 */ 6, /* 1 T_PRIVINFLT */ LINUX_T_UNKNOWN, /* 2 */ 3, /* 3 T_BPTFLT */ LINUX_T_UNKNOWN, /* 4 */ LINUX_T_UNKNOWN, /* 5 */ 16, /* 6 T_ARITHTRAP */ 254, /* 7 T_ASTFLT */ LINUX_T_UNKNOWN, /* 8 */ 13, /* 9 T_PROTFLT */ 1, /* 10 T_TRCTRAP */ LINUX_T_UNKNOWN, /* 11 */ 14, /* 12 T_PAGEFLT */ LINUX_T_UNKNOWN, /* 13 */ 17, /* 14 T_ALIGNFLT */ LINUX_T_UNKNOWN, /* 15 */ LINUX_T_UNKNOWN, /* 16 */ LINUX_T_UNKNOWN, /* 17 */ 0, /* 18 T_DIVIDE */ 2, /* 19 T_NMI */ 4, /* 20 T_OFLOW */ 5, /* 21 T_BOUND */ 7, /* 22 T_DNA */ 8, /* 23 T_DOUBLEFLT */ 9, /* 24 T_FPOPFLT */ 10, /* 25 T_TSSFLT */ 11, /* 26 T_SEGNPFLT */ 12, /* 27 T_STKFLT */ 18, /* 28 T_MCHK */ 19, /* 29 T_XMMFLT */ 15 /* 30 T_RESERVED */ }; #define bsd_to_linux_trapcode(code) \ ((code)args->argc + 1); (*stack_base)--; suword(*stack_base, (intptr_t)(void *)envp); (*stack_base)--; suword(*stack_base, (intptr_t)(void *)argv); (*stack_base)--; suword(*stack_base, imgp->args->argc); return (0); } static int elf_linux_fixup(register_t **stack_base, struct image_params *imgp) { struct proc *p; Elf32_Auxargs *args; Elf32_Addr *uplatform; struct ps_strings *arginfo; register_t *pos; int issetugid; KASSERT(curthread->td_proc == imgp->proc, ("unsafe elf_linux_fixup(), should be curproc")); p = imgp->proc; issetugid = imgp->proc->p_flag & P_SUGID ? 1 : 0; arginfo = (struct ps_strings *)p->p_sysent->sv_psstrings; uplatform = (Elf32_Addr *)((caddr_t)arginfo - linux_szplatform); args = (Elf32_Auxargs *)imgp->auxargs; pos = *stack_base + (imgp->args->argc + imgp->args->envc + 2); AUXARGS_ENTRY(pos, LINUX_AT_SYSINFO_EHDR, imgp->proc->p_sysent->sv_shared_page_base); AUXARGS_ENTRY(pos, LINUX_AT_SYSINFO, linux_vsyscall); AUXARGS_ENTRY(pos, LINUX_AT_HWCAP, cpu_feature); /* * Do not export AT_CLKTCK when emulating Linux kernel prior to 2.4.0, * as it has appeared in the 2.4.0-rc7 first time. * Being exported, AT_CLKTCK is returned by sysconf(_SC_CLK_TCK), * glibc falls back to the hard-coded CLK_TCK value when aux entry * is not present. * Also see linux_times() implementation. */ if (linux_kernver(curthread) >= LINUX_KERNVER_2004000) AUXARGS_ENTRY(pos, LINUX_AT_CLKTCK, stclohz); AUXARGS_ENTRY(pos, AT_PHDR, args->phdr); AUXARGS_ENTRY(pos, AT_PHENT, args->phent); AUXARGS_ENTRY(pos, AT_PHNUM, args->phnum); AUXARGS_ENTRY(pos, AT_PAGESZ, args->pagesz); AUXARGS_ENTRY(pos, AT_FLAGS, args->flags); AUXARGS_ENTRY(pos, AT_ENTRY, args->entry); AUXARGS_ENTRY(pos, AT_BASE, args->base); AUXARGS_ENTRY(pos, LINUX_AT_SECURE, issetugid); AUXARGS_ENTRY(pos, AT_UID, imgp->proc->p_ucred->cr_ruid); AUXARGS_ENTRY(pos, AT_EUID, imgp->proc->p_ucred->cr_svuid); AUXARGS_ENTRY(pos, AT_GID, imgp->proc->p_ucred->cr_rgid); AUXARGS_ENTRY(pos, AT_EGID, imgp->proc->p_ucred->cr_svgid); AUXARGS_ENTRY(pos, LINUX_AT_PLATFORM, PTROUT(uplatform)); AUXARGS_ENTRY(pos, LINUX_AT_RANDOM, imgp->canary); if (imgp->execpathp != 0) AUXARGS_ENTRY(pos, LINUX_AT_EXECFN, imgp->execpathp); if (args->execfd != -1) AUXARGS_ENTRY(pos, AT_EXECFD, args->execfd); AUXARGS_ENTRY(pos, AT_NULL, 0); free(imgp->auxargs, M_TEMP); imgp->auxargs = NULL; (*stack_base)--; suword(*stack_base, (register_t)imgp->args->argc); return (0); } /* * Copied from kern/kern_exec.c */ static register_t * linux_copyout_strings(struct image_params *imgp) { int argc, envc; char **vectp; char *stringp, *destp; register_t *stack_base; struct ps_strings *arginfo; char canary[LINUX_AT_RANDOM_LEN]; size_t execpath_len; struct proc *p; /* * Calculate string base and vector table pointers. */ p = imgp->proc; if (imgp->execpath != NULL && imgp->auxargs != NULL) execpath_len = strlen(imgp->execpath) + 1; else execpath_len = 0; arginfo = (struct ps_strings *)p->p_sysent->sv_psstrings; destp = (caddr_t)arginfo - SPARE_USRSPACE - linux_szplatform - roundup(sizeof(canary), sizeof(char *)) - roundup(execpath_len, sizeof(char *)) - roundup(ARG_MAX - imgp->args->stringspace, sizeof(char *)); /* * install LINUX_PLATFORM */ copyout(linux_kplatform, ((caddr_t)arginfo - linux_szplatform), linux_szplatform); if (execpath_len != 0) { imgp->execpathp = (uintptr_t)arginfo - linux_szplatform - execpath_len; copyout(imgp->execpath, (void *)imgp->execpathp, execpath_len); } /* * Prepare the canary for SSP. */ arc4rand(canary, sizeof(canary), 0); imgp->canary = (uintptr_t)arginfo - linux_szplatform - roundup(execpath_len, sizeof(char *)) - roundup(sizeof(canary), sizeof(char *)); copyout(canary, (void *)imgp->canary, sizeof(canary)); /* * If we have a valid auxargs ptr, prepare some room * on the stack. */ if (imgp->auxargs) { /* * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for * lower compatibility. */ imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size : (LINUX_AT_COUNT * 2); /* * The '+ 2' is for the null pointers at the end of each of * the arg and env vector sets,and imgp->auxarg_size is room * for argument of Runtime loader. */ vectp = (char **)(destp - (imgp->args->argc + imgp->args->envc + 2 + imgp->auxarg_size) * sizeof(char *)); } else { /* * The '+ 2' is for the null pointers at the end of each of * the arg and env vector sets */ vectp = (char **)(destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(char *)); } /* * vectp also becomes our initial stack base */ stack_base = (register_t *)vectp; stringp = imgp->args->begin_argv; argc = imgp->args->argc; envc = imgp->args->envc; /* * Copy out strings - arguments and environment. */ copyout(stringp, destp, ARG_MAX - imgp->args->stringspace); /* * Fill in "ps_strings" struct for ps, w, etc. */ suword(&arginfo->ps_argvstr, (long)(intptr_t)vectp); suword(&arginfo->ps_nargvstr, argc); /* * Fill in argument portion of vector table. */ for (; argc > 0; --argc) { suword(vectp++, (long)(intptr_t)destp); while (*stringp++ != 0) destp++; destp++; } /* a null vector table pointer separates the argp's from the envp's */ suword(vectp++, 0); suword(&arginfo->ps_envstr, (long)(intptr_t)vectp); suword(&arginfo->ps_nenvstr, envc); /* * Fill in environment portion of vector table. */ for (; envc > 0; --envc) { suword(vectp++, (long)(intptr_t)destp); while (*stringp++ != 0) destp++; destp++; } /* end of vector table is a null pointer */ suword(vectp, 0); return (stack_base); } static void linux_rt_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask) { struct thread *td = curthread; struct proc *p = td->td_proc; struct sigacts *psp; struct trapframe *regs; struct l_rt_sigframe *fp, frame; int sig, code; int oonstack; sig = ksi->ksi_signo; - code = ksi->ksi_code; + code = ksi->ksi_code; PROC_LOCK_ASSERT(p, MA_OWNED); psp = p->p_sigacts; mtx_assert(&psp->ps_mtx, MA_OWNED); regs = td->td_frame; oonstack = sigonstack(regs->tf_esp); #ifdef DEBUG if (ldebug(rt_sendsig)) printf(ARGS(rt_sendsig, "%p, %d, %p, %u"), catcher, sig, (void*)mask, code); #endif /* * Allocate space for the signal handler context. */ if ((td->td_pflags & TDP_ALTSTACK) && !oonstack && SIGISMEMBER(psp->ps_sigonstack, sig)) { fp = (struct l_rt_sigframe *)((uintptr_t)td->td_sigstk.ss_sp + td->td_sigstk.ss_size - sizeof(struct l_rt_sigframe)); } else fp = (struct l_rt_sigframe *)regs->tf_esp - 1; mtx_unlock(&psp->ps_mtx); /* * Build the argument list for the signal handler. */ sig = bsd_to_linux_signal(sig); bzero(&frame, sizeof(frame)); frame.sf_handler = catcher; frame.sf_sig = sig; frame.sf_siginfo = &fp->sf_si; frame.sf_ucontext = &fp->sf_sc; /* Fill in POSIX parts */ ksiginfo_to_lsiginfo(ksi, &frame.sf_si, sig); /* * Build the signal context to be used by sigreturn. */ frame.sf_sc.uc_flags = 0; /* XXX ??? */ frame.sf_sc.uc_link = NULL; /* XXX ??? */ frame.sf_sc.uc_stack.ss_sp = td->td_sigstk.ss_sp; frame.sf_sc.uc_stack.ss_size = td->td_sigstk.ss_size; frame.sf_sc.uc_stack.ss_flags = (td->td_pflags & TDP_ALTSTACK) ? ((oonstack) ? LINUX_SS_ONSTACK : 0) : LINUX_SS_DISABLE; PROC_UNLOCK(p); bsd_to_linux_sigset(mask, &frame.sf_sc.uc_sigmask); frame.sf_sc.uc_mcontext.sc_mask = frame.sf_sc.uc_sigmask.__mask; frame.sf_sc.uc_mcontext.sc_gs = rgs(); frame.sf_sc.uc_mcontext.sc_fs = regs->tf_fs; frame.sf_sc.uc_mcontext.sc_es = regs->tf_es; frame.sf_sc.uc_mcontext.sc_ds = regs->tf_ds; frame.sf_sc.uc_mcontext.sc_edi = regs->tf_edi; frame.sf_sc.uc_mcontext.sc_esi = regs->tf_esi; frame.sf_sc.uc_mcontext.sc_ebp = regs->tf_ebp; frame.sf_sc.uc_mcontext.sc_ebx = regs->tf_ebx; frame.sf_sc.uc_mcontext.sc_esp = regs->tf_esp; frame.sf_sc.uc_mcontext.sc_edx = regs->tf_edx; frame.sf_sc.uc_mcontext.sc_ecx = regs->tf_ecx; frame.sf_sc.uc_mcontext.sc_eax = regs->tf_eax; frame.sf_sc.uc_mcontext.sc_eip = regs->tf_eip; frame.sf_sc.uc_mcontext.sc_cs = regs->tf_cs; frame.sf_sc.uc_mcontext.sc_eflags = regs->tf_eflags; frame.sf_sc.uc_mcontext.sc_esp_at_signal = regs->tf_esp; frame.sf_sc.uc_mcontext.sc_ss = regs->tf_ss; frame.sf_sc.uc_mcontext.sc_err = regs->tf_err; frame.sf_sc.uc_mcontext.sc_cr2 = (register_t)ksi->ksi_addr; frame.sf_sc.uc_mcontext.sc_trapno = bsd_to_linux_trapcode(code); #ifdef DEBUG if (ldebug(rt_sendsig)) printf(LMSG("rt_sendsig flags: 0x%x, sp: %p, ss: 0x%x, mask: 0x%x"), frame.sf_sc.uc_stack.ss_flags, td->td_sigstk.ss_sp, td->td_sigstk.ss_size, frame.sf_sc.uc_mcontext.sc_mask); #endif if (copyout(&frame, fp, sizeof(frame)) != 0) { /* * Process has trashed its stack; give it an illegal * instruction to halt it in its tracks. */ #ifdef DEBUG if (ldebug(rt_sendsig)) printf(LMSG("rt_sendsig: bad stack %p, oonstack=%x"), fp, oonstack); #endif PROC_LOCK(p); sigexit(td, SIGILL); } /* * Build context to run handler in. */ regs->tf_esp = (int)fp; regs->tf_eip = linux_rt_sigcode; regs->tf_eflags &= ~(PSL_T | PSL_VM | PSL_D); regs->tf_cs = _ucodesel; regs->tf_ds = _udatasel; regs->tf_es = _udatasel; regs->tf_fs = _udatasel; regs->tf_ss = _udatasel; PROC_LOCK(p); mtx_lock(&psp->ps_mtx); } /* * Send an interrupt to process. * * Stack is set up to allow sigcode stored * in u. to call routine, followed by kcall * to sigreturn routine below. After sigreturn * resets the signal mask, the stack, and the * frame pointer, it returns to the user * specified pc, psl. */ static void linux_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask) { struct thread *td = curthread; struct proc *p = td->td_proc; struct sigacts *psp; struct trapframe *regs; struct l_sigframe *fp, frame; l_sigset_t lmask; int sig, code; int oonstack; PROC_LOCK_ASSERT(p, MA_OWNED); psp = p->p_sigacts; sig = ksi->ksi_signo; code = ksi->ksi_code; mtx_assert(&psp->ps_mtx, MA_OWNED); if (SIGISMEMBER(psp->ps_siginfo, sig)) { /* Signal handler installed with SA_SIGINFO. */ linux_rt_sendsig(catcher, ksi, mask); return; } regs = td->td_frame; oonstack = sigonstack(regs->tf_esp); #ifdef DEBUG if (ldebug(sendsig)) printf(ARGS(sendsig, "%p, %d, %p, %u"), catcher, sig, (void*)mask, code); #endif /* * Allocate space for the signal handler context. */ if ((td->td_pflags & TDP_ALTSTACK) && !oonstack && SIGISMEMBER(psp->ps_sigonstack, sig)) { fp = (struct l_sigframe *)((uintptr_t)td->td_sigstk.ss_sp + td->td_sigstk.ss_size - sizeof(struct l_sigframe)); } else fp = (struct l_sigframe *)regs->tf_esp - 1; mtx_unlock(&psp->ps_mtx); PROC_UNLOCK(p); /* * Build the argument list for the signal handler. */ sig = bsd_to_linux_signal(sig); bzero(&frame, sizeof(frame)); frame.sf_handler = catcher; frame.sf_sig = sig; bsd_to_linux_sigset(mask, &lmask); /* * Build the signal context to be used by sigreturn. */ frame.sf_sc.sc_mask = lmask.__mask; frame.sf_sc.sc_gs = rgs(); frame.sf_sc.sc_fs = regs->tf_fs; frame.sf_sc.sc_es = regs->tf_es; frame.sf_sc.sc_ds = regs->tf_ds; frame.sf_sc.sc_edi = regs->tf_edi; frame.sf_sc.sc_esi = regs->tf_esi; frame.sf_sc.sc_ebp = regs->tf_ebp; frame.sf_sc.sc_ebx = regs->tf_ebx; frame.sf_sc.sc_esp = regs->tf_esp; frame.sf_sc.sc_edx = regs->tf_edx; frame.sf_sc.sc_ecx = regs->tf_ecx; frame.sf_sc.sc_eax = regs->tf_eax; frame.sf_sc.sc_eip = regs->tf_eip; frame.sf_sc.sc_cs = regs->tf_cs; frame.sf_sc.sc_eflags = regs->tf_eflags; frame.sf_sc.sc_esp_at_signal = regs->tf_esp; frame.sf_sc.sc_ss = regs->tf_ss; frame.sf_sc.sc_err = regs->tf_err; frame.sf_sc.sc_cr2 = (register_t)ksi->ksi_addr; frame.sf_sc.sc_trapno = bsd_to_linux_trapcode(ksi->ksi_trapno); frame.sf_extramask[0] = lmask.__mask; if (copyout(&frame, fp, sizeof(frame)) != 0) { /* * Process has trashed its stack; give it an illegal * instruction to halt it in its tracks. */ PROC_LOCK(p); sigexit(td, SIGILL); } /* * Build context to run handler in. */ regs->tf_esp = (int)fp; regs->tf_eip = linux_sigcode; regs->tf_eflags &= ~(PSL_T | PSL_VM | PSL_D); regs->tf_cs = _ucodesel; regs->tf_ds = _udatasel; regs->tf_es = _udatasel; regs->tf_fs = _udatasel; regs->tf_ss = _udatasel; PROC_LOCK(p); mtx_lock(&psp->ps_mtx); } /* * System call to cleanup state after a signal * has been taken. Reset signal mask and * stack state from context left by sendsig (above). * Return to previous pc and psl as specified by * context left by sendsig. Check carefully to * make sure that the user has not modified the * psl to gain improper privileges or to cause * a machine fault. */ int linux_sigreturn(struct thread *td, struct linux_sigreturn_args *args) { struct l_sigframe frame; struct trapframe *regs; l_sigset_t lmask; sigset_t bmask; int eflags; ksiginfo_t ksi; regs = td->td_frame; #ifdef DEBUG if (ldebug(sigreturn)) printf(ARGS(sigreturn, "%p"), (void *)args->sfp); #endif /* * The trampoline code hands us the sigframe. * It is unsafe to keep track of it ourselves, in the event that a * program jumps out of a signal handler. */ if (copyin(args->sfp, &frame, sizeof(frame)) != 0) return (EFAULT); /* * Check for security violations. */ #define EFLAGS_SECURE(ef, oef) ((((ef) ^ (oef)) & ~PSL_USERCHANGE) == 0) eflags = frame.sf_sc.sc_eflags; if (!EFLAGS_SECURE(eflags, regs->tf_eflags)) return (EINVAL); /* * Don't allow users to load a valid privileged %cs. Let the * hardware check for invalid selectors, excess privilege in * other selectors, invalid %eip's and invalid %esp's. */ #define CS_SECURE(cs) (ISPL(cs) == SEL_UPL) if (!CS_SECURE(frame.sf_sc.sc_cs)) { ksiginfo_init_trap(&ksi); ksi.ksi_signo = SIGBUS; ksi.ksi_code = BUS_OBJERR; ksi.ksi_trapno = T_PROTFLT; ksi.ksi_addr = (void *)regs->tf_eip; trapsignal(td, &ksi); return (EINVAL); } lmask.__mask = frame.sf_sc.sc_mask; linux_to_bsd_sigset(&lmask, &bmask); kern_sigprocmask(td, SIG_SETMASK, &bmask, NULL, 0); /* * Restore signal context. */ /* %gs was restored by the trampoline. */ regs->tf_fs = frame.sf_sc.sc_fs; regs->tf_es = frame.sf_sc.sc_es; regs->tf_ds = frame.sf_sc.sc_ds; regs->tf_edi = frame.sf_sc.sc_edi; regs->tf_esi = frame.sf_sc.sc_esi; regs->tf_ebp = frame.sf_sc.sc_ebp; regs->tf_ebx = frame.sf_sc.sc_ebx; regs->tf_edx = frame.sf_sc.sc_edx; regs->tf_ecx = frame.sf_sc.sc_ecx; regs->tf_eax = frame.sf_sc.sc_eax; regs->tf_eip = frame.sf_sc.sc_eip; regs->tf_cs = frame.sf_sc.sc_cs; regs->tf_eflags = eflags; regs->tf_esp = frame.sf_sc.sc_esp_at_signal; regs->tf_ss = frame.sf_sc.sc_ss; return (EJUSTRETURN); } /* * System call to cleanup state after a signal * has been taken. Reset signal mask and * stack state from context left by rt_sendsig (above). * Return to previous pc and psl as specified by * context left by sendsig. Check carefully to * make sure that the user has not modified the * psl to gain improper privileges or to cause * a machine fault. */ int linux_rt_sigreturn(struct thread *td, struct linux_rt_sigreturn_args *args) { struct l_ucontext uc; struct l_sigcontext *context; sigset_t bmask; l_stack_t *lss; stack_t ss; struct trapframe *regs; int eflags; ksiginfo_t ksi; regs = td->td_frame; #ifdef DEBUG if (ldebug(rt_sigreturn)) printf(ARGS(rt_sigreturn, "%p"), (void *)args->ucp); #endif /* * The trampoline code hands us the ucontext. * It is unsafe to keep track of it ourselves, in the event that a * program jumps out of a signal handler. */ if (copyin(args->ucp, &uc, sizeof(uc)) != 0) return (EFAULT); context = &uc.uc_mcontext; /* * Check for security violations. */ #define EFLAGS_SECURE(ef, oef) ((((ef) ^ (oef)) & ~PSL_USERCHANGE) == 0) eflags = context->sc_eflags; if (!EFLAGS_SECURE(eflags, regs->tf_eflags)) return (EINVAL); /* * Don't allow users to load a valid privileged %cs. Let the * hardware check for invalid selectors, excess privilege in * other selectors, invalid %eip's and invalid %esp's. */ #define CS_SECURE(cs) (ISPL(cs) == SEL_UPL) if (!CS_SECURE(context->sc_cs)) { ksiginfo_init_trap(&ksi); ksi.ksi_signo = SIGBUS; ksi.ksi_code = BUS_OBJERR; ksi.ksi_trapno = T_PROTFLT; ksi.ksi_addr = (void *)regs->tf_eip; trapsignal(td, &ksi); return (EINVAL); } linux_to_bsd_sigset(&uc.uc_sigmask, &bmask); kern_sigprocmask(td, SIG_SETMASK, &bmask, NULL, 0); /* * Restore signal context */ /* %gs was restored by the trampoline. */ regs->tf_fs = context->sc_fs; regs->tf_es = context->sc_es; regs->tf_ds = context->sc_ds; regs->tf_edi = context->sc_edi; regs->tf_esi = context->sc_esi; regs->tf_ebp = context->sc_ebp; regs->tf_ebx = context->sc_ebx; regs->tf_edx = context->sc_edx; regs->tf_ecx = context->sc_ecx; regs->tf_eax = context->sc_eax; regs->tf_eip = context->sc_eip; regs->tf_cs = context->sc_cs; regs->tf_eflags = eflags; regs->tf_esp = context->sc_esp_at_signal; regs->tf_ss = context->sc_ss; /* * call sigaltstack & ignore results.. */ lss = &uc.uc_stack; ss.ss_sp = lss->ss_sp; ss.ss_size = lss->ss_size; ss.ss_flags = linux_to_bsd_sigaltstack(lss->ss_flags); #ifdef DEBUG if (ldebug(rt_sigreturn)) printf(LMSG("rt_sigret flags: 0x%x, sp: %p, ss: 0x%x, mask: 0x%x"), ss.ss_flags, ss.ss_sp, ss.ss_size, context->sc_mask); #endif (void)kern_sigaltstack(td, &ss, NULL); return (EJUSTRETURN); } static int linux_fetch_syscall_args(struct thread *td) { struct proc *p; struct trapframe *frame; struct syscall_args *sa; p = td->td_proc; frame = td->td_frame; sa = &td->td_sa; sa->code = frame->tf_eax; sa->args[0] = frame->tf_ebx; sa->args[1] = frame->tf_ecx; sa->args[2] = frame->tf_edx; sa->args[3] = frame->tf_esi; sa->args[4] = frame->tf_edi; sa->args[5] = frame->tf_ebp; /* Unconfirmed */ if (sa->code >= p->p_sysent->sv_size) /* nosys */ sa->callp = &p->p_sysent->sv_table[p->p_sysent->sv_size - 1]; - else - sa->callp = &p->p_sysent->sv_table[sa->code]; + else + sa->callp = &p->p_sysent->sv_table[sa->code]; sa->narg = sa->callp->sy_narg; td->td_retval[0] = 0; td->td_retval[1] = frame->tf_edx; return (0); } /* * If a linux binary is exec'ing something, try this image activator * first. We override standard shell script execution in order to * be able to modify the interpreter path. We only do this if a linux * binary is doing the exec, so we do not create an EXEC module for it. */ static int exec_linux_imgact_try(struct image_params *iparams); static int exec_linux_imgact_try(struct image_params *imgp) { const char *head = (const char *)imgp->image_header; char *rpath; int error = -1; /* * The interpreter for shell scripts run from a linux binary needs * to be located in /compat/linux if possible in order to recursively * maintain linux path emulation. */ if (((const short *)head)[0] == SHELLMAGIC) { /* * Run our normal shell image activator. If it succeeds attempt * to use the alternate path for the interpreter. If an alternate * path is found, use our stringspace to store it. */ if ((error = exec_shell_imgact(imgp)) == 0) { linux_emul_convpath(FIRST_THREAD_IN_PROC(imgp->proc), imgp->interpreter_name, UIO_SYSSPACE, &rpath, 0, AT_FDCWD); if (rpath != NULL) imgp->args->fname_buf = imgp->interpreter_name = rpath; } } return (error); } /* * exec_setregs may initialize some registers differently than Linux * does, thus potentially confusing Linux binaries. If necessary, we * override the exec_setregs default(s) here. */ static void exec_linux_setregs(struct thread *td, struct image_params *imgp, u_long stack) { struct pcb *pcb = td->td_pcb; exec_setregs(td, imgp, stack); /* Linux sets %gs to 0, we default to _udatasel */ pcb->pcb_gs = 0; load_gs(0); pcb->pcb_initial_npxcw = __LINUX_NPXCW__; } static void linux_get_machine(const char **dst) { switch (cpu_class) { case CPUCLASS_686: *dst = "i686"; break; case CPUCLASS_586: *dst = "i586"; break; case CPUCLASS_486: *dst = "i486"; break; default: *dst = "i386"; } } struct sysentvec linux_sysvec = { .sv_size = LINUX_SYS_MAXSYSCALL, .sv_table = linux_sysent, .sv_mask = 0, .sv_errsize = ELAST + 1, .sv_errtbl = bsd_to_linux_errno, .sv_transtrap = translate_traps, .sv_fixup = linux_fixup, .sv_sendsig = linux_sendsig, .sv_sigcode = &_binary_linux_locore_o_start, .sv_szsigcode = &linux_szsigcode, .sv_name = "Linux a.out", .sv_coredump = NULL, .sv_imgact_try = exec_linux_imgact_try, .sv_minsigstksz = LINUX_MINSIGSTKSZ, .sv_pagesize = PAGE_SIZE, .sv_minuser = VM_MIN_ADDRESS, .sv_maxuser = VM_MAXUSER_ADDRESS, .sv_usrstack = LINUX_USRSTACK, .sv_psstrings = PS_STRINGS, .sv_stackprot = VM_PROT_ALL, .sv_copyout_strings = exec_copyout_strings, .sv_setregs = exec_linux_setregs, .sv_fixlimit = NULL, .sv_maxssiz = NULL, .sv_flags = SV_ABI_LINUX | SV_AOUT | SV_IA32 | SV_ILP32, .sv_set_syscall_retval = cpu_set_syscall_retval, .sv_fetch_syscall_args = linux_fetch_syscall_args, .sv_syscallnames = NULL, .sv_shared_page_base = LINUX_SHAREDPAGE, .sv_shared_page_len = PAGE_SIZE, .sv_schedtail = linux_schedtail, .sv_thread_detach = linux_thread_detach, .sv_trap = NULL, }; INIT_SYSENTVEC(aout_sysvec, &linux_sysvec); struct sysentvec elf_linux_sysvec = { .sv_size = LINUX_SYS_MAXSYSCALL, .sv_table = linux_sysent, .sv_mask = 0, .sv_errsize = ELAST + 1, .sv_errtbl = bsd_to_linux_errno, .sv_transtrap = translate_traps, .sv_fixup = elf_linux_fixup, .sv_sendsig = linux_sendsig, .sv_sigcode = &_binary_linux_locore_o_start, .sv_szsigcode = &linux_szsigcode, .sv_name = "Linux ELF", .sv_coredump = elf32_coredump, .sv_imgact_try = exec_linux_imgact_try, .sv_minsigstksz = LINUX_MINSIGSTKSZ, .sv_pagesize = PAGE_SIZE, .sv_minuser = VM_MIN_ADDRESS, .sv_maxuser = VM_MAXUSER_ADDRESS, .sv_usrstack = LINUX_USRSTACK, .sv_psstrings = LINUX_PS_STRINGS, .sv_stackprot = VM_PROT_ALL, .sv_copyout_strings = linux_copyout_strings, .sv_setregs = exec_linux_setregs, .sv_fixlimit = NULL, .sv_maxssiz = NULL, .sv_flags = SV_ABI_LINUX | SV_IA32 | SV_ILP32 | SV_SHP, .sv_set_syscall_retval = cpu_set_syscall_retval, .sv_fetch_syscall_args = linux_fetch_syscall_args, .sv_syscallnames = NULL, .sv_shared_page_base = LINUX_SHAREDPAGE, .sv_shared_page_len = PAGE_SIZE, .sv_schedtail = linux_schedtail, .sv_thread_detach = linux_thread_detach, .sv_trap = NULL, }; static void linux_vdso_install(void *param) { - linux_szsigcode = (&_binary_linux_locore_o_end - + linux_szsigcode = (&_binary_linux_locore_o_end - &_binary_linux_locore_o_start); if (linux_szsigcode > elf_linux_sysvec.sv_shared_page_len) panic("Linux invalid vdso size\n"); __elfN(linux_vdso_fixup)(&elf_linux_sysvec); linux_shared_page_obj = __elfN(linux_shared_page_init) (&linux_shared_page_mapping); __elfN(linux_vdso_reloc)(&elf_linux_sysvec); bcopy(elf_linux_sysvec.sv_sigcode, linux_shared_page_mapping, linux_szsigcode); elf_linux_sysvec.sv_shared_page_obj = linux_shared_page_obj; } SYSINIT(elf_linux_vdso_init, SI_SUB_EXEC, SI_ORDER_ANY, (sysinit_cfunc_t)linux_vdso_install, NULL); static void linux_vdso_deinstall(void *param) { __elfN(linux_shared_page_fini)(linux_shared_page_obj); }; SYSUNINIT(elf_linux_vdso_uninit, SI_SUB_EXEC, SI_ORDER_FIRST, (sysinit_cfunc_t)linux_vdso_deinstall, NULL); static char GNU_ABI_VENDOR[] = "GNU"; static int GNULINUX_ABI_DESC = 0; static boolean_t linux_trans_osrel(const Elf_Note *note, int32_t *osrel) { const Elf32_Word *desc; uintptr_t p; p = (uintptr_t)(note + 1); p += roundup2(note->n_namesz, sizeof(Elf32_Addr)); desc = (const Elf32_Word *)p; if (desc[0] != GNULINUX_ABI_DESC) return (FALSE); /* * For linux we encode osrel as follows (see linux_mib.c): * VVVMMMIII (version, major, minor), see linux_mib.c. */ *osrel = desc[1] * 1000000 + desc[2] * 1000 + desc[3]; return (TRUE); } static Elf_Brandnote linux_brandnote = { .hdr.n_namesz = sizeof(GNU_ABI_VENDOR), .hdr.n_descsz = 16, /* XXX at least 16 */ .hdr.n_type = 1, .vendor = GNU_ABI_VENDOR, .flags = BN_TRANSLATE_OSREL, .trans_osrel = linux_trans_osrel }; static Elf32_Brandinfo linux_brand = { .brand = ELFOSABI_LINUX, .machine = EM_386, .compat_3_brand = "Linux", .emul_path = "/compat/linux", .interp_path = "/lib/ld-linux.so.1", .sysvec = &elf_linux_sysvec, .interp_newpath = NULL, .brand_note = &linux_brandnote, .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE }; static Elf32_Brandinfo linux_glibc2brand = { .brand = ELFOSABI_LINUX, .machine = EM_386, .compat_3_brand = "Linux", .emul_path = "/compat/linux", .interp_path = "/lib/ld-linux.so.2", .sysvec = &elf_linux_sysvec, .interp_newpath = NULL, .brand_note = &linux_brandnote, .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE }; static Elf32_Brandinfo linux_muslbrand = { .brand = ELFOSABI_LINUX, .machine = EM_386, .compat_3_brand = "Linux", .emul_path = "/compat/linux", .interp_path = "/lib/ld-musl-i386.so.1", .sysvec = &elf_linux_sysvec, .interp_newpath = NULL, .brand_note = &linux_brandnote, .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE }; Elf32_Brandinfo *linux_brandlist[] = { &linux_brand, &linux_glibc2brand, &linux_muslbrand, NULL }; static int linux_elf_modevent(module_t mod, int type, void *data) { Elf32_Brandinfo **brandinfo; int error; struct linux_ioctl_handler **lihp; error = 0; switch(type) { case MOD_LOAD: for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL; ++brandinfo) if (elf32_insert_brand_entry(*brandinfo) < 0) error = EINVAL; if (error == 0) { SET_FOREACH(lihp, linux_ioctl_handler_set) linux_ioctl_register_handler(*lihp); LIST_INIT(&futex_list); mtx_init(&futex_mtx, "ftllk", NULL, MTX_DEF); linux_exit_tag = EVENTHANDLER_REGISTER(process_exit, linux_proc_exit, NULL, 1000); linux_exec_tag = EVENTHANDLER_REGISTER(process_exec, linux_proc_exec, NULL, 1000); linux_thread_dtor_tag = EVENTHANDLER_REGISTER(thread_dtor, linux_thread_dtor, NULL, EVENTHANDLER_PRI_ANY); linux_get_machine(&linux_kplatform); linux_szplatform = roundup(strlen(linux_kplatform) + 1, sizeof(char *)); linux_osd_jail_register(); stclohz = (stathz ? stathz : hz); if (bootverbose) printf("Linux ELF exec handler installed\n"); } else printf("cannot insert Linux ELF brand handler\n"); break; case MOD_UNLOAD: for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL; ++brandinfo) if (elf32_brand_inuse(*brandinfo)) error = EBUSY; if (error == 0) { for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL; ++brandinfo) if (elf32_remove_brand_entry(*brandinfo) < 0) error = EINVAL; } if (error == 0) { SET_FOREACH(lihp, linux_ioctl_handler_set) linux_ioctl_unregister_handler(*lihp); mtx_destroy(&futex_mtx); EVENTHANDLER_DEREGISTER(process_exit, linux_exit_tag); EVENTHANDLER_DEREGISTER(process_exec, linux_exec_tag); EVENTHANDLER_DEREGISTER(thread_dtor, linux_thread_dtor_tag); linux_osd_jail_deregister(); if (bootverbose) printf("Linux ELF exec handler removed\n"); } else printf("Could not deinstall ELF interpreter entry\n"); break; default: return (EOPNOTSUPP); } return (error); } static moduledata_t linux_elf_mod = { "linuxelf", linux_elf_modevent, 0 }; DECLARE_MODULE_TIED(linuxelf, linux_elf_mod, SI_SUB_EXEC, SI_ORDER_ANY); FEATURE(linux, "Linux 32bit support"); Index: head/sys/i386/linux/syscalls.master =================================================================== --- head/sys/i386/linux/syscalls.master (revision 328889) +++ head/sys/i386/linux/syscalls.master (revision 328890) @@ -1,700 +1,700 @@ $FreeBSD$ ; @(#)syscalls.master 8.1 (Berkeley) 7/19/93 ; System call name/number master file (or rather, slave, from LINUX). ; Processed to create linux_sysent.c, linux_proto.h and linux_syscall.h. ; Columns: number audit type nargs name alt{name,tag,rtyp}/comments ; number system call number, must be in order ; audit the audit event associated with the system call ; A value of AUE_NULL means no auditing, but it also means that ; there is no audit event for the call at this time. For the ; case where the event exists, but we don't want auditing, the ; event should be #defined to AUE_NULL in audit_kevents.h. ; type one of STD, NOPROTO, UNIMPL ; name psuedo-prototype of syscall routine ; If one of the following alts is different, then all appear: ; altname name of system call if different ; alttag name of args struct tag if different from [o]`name'"_args" ; altrtyp return type if not int (bogus - syscalls always return int) ; for UNIMPL, name continues with comments ; types: ; STD always included ; UNIMPL not implemented, placeholder only -; NOPROTO same as STD except do not create structure or +; NOPROTO same as STD except do not create structure or ; function prototype in sys/sysproto.h. Does add a ; definition to syscall.h besides adding a sysent. #include #include #include #include #include #include ; Isn't pretty, but there seems to be no other way to trap nosys #define nosys linux_nosys ; #ifdef's, etc. may be included, and are copied to the output files. 0 AUE_NULL UNIMPL setup 1 AUE_EXIT STD { void linux_exit(int rval); } 2 AUE_FORK STD { int linux_fork(void); } 3 AUE_NULL NOPROTO { int read(int fd, char *buf, \ u_int nbyte); } 4 AUE_NULL NOPROTO { int write(int fd, char *buf, \ u_int nbyte); } 5 AUE_OPEN_RWTC STD { int linux_open(char *path, l_int flags, \ l_int mode); } 6 AUE_CLOSE NOPROTO { int close(int fd); } 7 AUE_WAIT4 STD { int linux_waitpid(l_pid_t pid, \ l_int *status, l_int options); } 8 AUE_CREAT STD { int linux_creat(char *path, \ l_int mode); } 9 AUE_LINK STD { int linux_link(char *path, char *to); } 10 AUE_UNLINK STD { int linux_unlink(char *path); } 11 AUE_EXECVE STD { int linux_execve(char *path, char **argp, \ char **envp); } 12 AUE_CHDIR STD { int linux_chdir(char *path); } 13 AUE_NULL STD { int linux_time(l_time_t *tm); } 14 AUE_MKNOD STD { int linux_mknod(char *path, l_int mode, \ l_dev_t dev); } 15 AUE_CHMOD STD { int linux_chmod(char *path, \ l_mode_t mode); } 16 AUE_LCHOWN STD { int linux_lchown16(char *path, \ l_uid16_t uid, l_gid16_t gid); } 17 AUE_NULL UNIMPL break 18 AUE_STAT STD { int linux_stat(char *path, \ struct linux_stat *up); } 19 AUE_LSEEK STD { int linux_lseek(l_uint fdes, l_off_t off, \ l_int whence); } 20 AUE_GETPID STD { int linux_getpid(void); } 21 AUE_MOUNT STD { int linux_mount(char *specialfile, \ char *dir, char *filesystemtype, \ l_ulong rwflag, void *data); } 22 AUE_UMOUNT STD { int linux_oldumount(char *path); } 23 AUE_SETUID STD { int linux_setuid16(l_uid16_t uid); } 24 AUE_GETUID STD { int linux_getuid16(void); } 25 AUE_SETTIMEOFDAY STD { int linux_stime(void); } 26 AUE_PTRACE STD { int linux_ptrace(l_long req, l_long pid, \ l_long addr, l_long data); } 27 AUE_NULL STD { int linux_alarm(l_uint secs); } 28 AUE_FSTAT STD { int linux_fstat(l_uint fd, \ struct linux_stat *up); } 29 AUE_NULL STD { int linux_pause(void); } 30 AUE_UTIME STD { int linux_utime(char *fname, \ struct l_utimbuf *times); } 31 AUE_NULL UNIMPL stty 32 AUE_NULL UNIMPL gtty 33 AUE_ACCESS STD { int linux_access(char *path, l_int amode); } 34 AUE_NICE STD { int linux_nice(l_int inc); } 35 AUE_NULL UNIMPL ftime 36 AUE_SYNC NOPROTO { int sync(void); } 37 AUE_KILL STD { int linux_kill(l_int pid, l_int signum); } 38 AUE_RENAME STD { int linux_rename(char *from, char *to); } 39 AUE_MKDIR STD { int linux_mkdir(char *path, l_int mode); } 40 AUE_RMDIR STD { int linux_rmdir(char *path); } 41 AUE_DUP NOPROTO { int dup(u_int fd); } 42 AUE_PIPE STD { int linux_pipe(l_int *pipefds); } 43 AUE_NULL STD { int linux_times(struct l_times_argv *buf); } 44 AUE_NULL UNIMPL prof 45 AUE_NULL STD { int linux_brk(l_ulong dsend); } 46 AUE_SETGID STD { int linux_setgid16(l_gid16_t gid); } 47 AUE_GETGID STD { int linux_getgid16(void); } 48 AUE_NULL STD { int linux_signal(l_int sig, \ void *handler); } 49 AUE_GETEUID STD { int linux_geteuid16(void); } 50 AUE_GETEGID STD { int linux_getegid16(void); } 51 AUE_ACCT NOPROTO { int acct(char *path); } 52 AUE_UMOUNT STD { int linux_umount(char *path, l_int flags); } 53 AUE_NULL UNIMPL lock 54 AUE_IOCTL STD { int linux_ioctl(l_uint fd, l_uint cmd, \ l_ulong arg); } 55 AUE_FCNTL STD { int linux_fcntl(l_uint fd, l_uint cmd, \ l_ulong arg); } 56 AUE_NULL UNIMPL mpx 57 AUE_SETPGRP NOPROTO { int setpgid(int pid, int pgid); } 58 AUE_NULL UNIMPL ulimit 59 AUE_NULL STD { int linux_olduname(void); } 60 AUE_UMASK NOPROTO { int umask(int newmask); } 61 AUE_CHROOT NOPROTO { int chroot(char *path); } 62 AUE_NULL STD { int linux_ustat(l_dev_t dev, \ struct l_ustat *ubuf); } 63 AUE_DUP2 NOPROTO { int dup2(u_int from, u_int to); } 64 AUE_GETPPID STD { int linux_getppid(void); } 65 AUE_GETPGRP NOPROTO { int getpgrp(void); } 66 AUE_SETSID NOPROTO { int setsid(void); } 67 AUE_NULL STD { int linux_sigaction(l_int sig, \ l_osigaction_t *nsa, \ l_osigaction_t *osa); } 68 AUE_NULL STD { int linux_sgetmask(void); } 69 AUE_NULL STD { int linux_ssetmask(l_osigset_t mask); } 70 AUE_SETREUID STD { int linux_setreuid16(l_uid16_t ruid, \ l_uid16_t euid); } 71 AUE_SETREGID STD { int linux_setregid16(l_gid16_t rgid, \ l_gid16_t egid); } 72 AUE_NULL STD { int linux_sigsuspend(l_int hist0, \ l_int hist1, l_osigset_t mask); } 73 AUE_NULL STD { int linux_sigpending(l_osigset_t *mask); } 74 AUE_SYSCTL STD { int linux_sethostname(char *hostname, \ u_int len); } 75 AUE_SETRLIMIT STD { int linux_setrlimit(l_uint resource, \ struct l_rlimit *rlim); } 76 AUE_GETRLIMIT STD { int linux_old_getrlimit(l_uint resource, \ struct l_rlimit *rlim); } 77 AUE_GETRUSAGE NOPROTO { int getrusage(int who, \ struct rusage *rusage); } 78 AUE_NULL NOPROTO { int gettimeofday( \ struct timeval *tp, \ struct timezone *tzp); } 79 AUE_SETTIMEOFDAY NOPROTO { int settimeofday( \ struct timeval *tv, \ struct timezone *tzp); } 80 AUE_GETGROUPS STD { int linux_getgroups16(l_uint gidsetsize, \ l_gid16_t *gidset); } 81 AUE_SETGROUPS STD { int linux_setgroups16(l_uint gidsetsize, \ l_gid16_t *gidset); } 82 AUE_SELECT STD { int linux_old_select( \ struct l_old_select_argv *ptr); } 83 AUE_SYMLINK STD { int linux_symlink(char *path, char *to); } ; 84: oldlstat 84 AUE_LSTAT STD { int linux_lstat(char *path, struct l_stat *up); } 85 AUE_READLINK STD { int linux_readlink(char *name, char *buf, \ l_int count); } 86 AUE_USELIB STD { int linux_uselib(char *library); } 87 AUE_SWAPON NOPROTO { int swapon(char *name); } 88 AUE_REBOOT STD { int linux_reboot(l_int magic1, \ l_int magic2, l_uint cmd, void *arg); } ; 89: old_readdir 89 AUE_GETDIRENTRIES STD { int linux_readdir(l_uint fd, \ struct l_dirent *dent, l_uint count); } ; 90: old_mmap 90 AUE_MMAP STD { int linux_mmap(struct l_mmap_argv *ptr); } 91 AUE_MUNMAP NOPROTO { int munmap(caddr_t addr, int len); } 92 AUE_TRUNCATE STD { int linux_truncate(char *path, \ l_ulong length); } 93 AUE_FTRUNCATE STD { int linux_ftruncate(int fd, long length); } 94 AUE_FCHMOD NOPROTO { int fchmod(int fd, int mode); } 95 AUE_FCHOWN NOPROTO { int fchown(int fd, int uid, int gid); } 96 AUE_GETPRIORITY STD { int linux_getpriority(int which, int who); } 97 AUE_SETPRIORITY NOPROTO { int setpriority(int which, int who, \ int prio); } 98 AUE_PROFILE UNIMPL profil 99 AUE_STATFS STD { int linux_statfs(char *path, \ struct l_statfs_buf *buf); } 100 AUE_FSTATFS STD { int linux_fstatfs(l_uint fd, \ struct l_statfs_buf *buf); } 101 AUE_NULL STD { int linux_ioperm(l_ulong start, \ l_ulong length, l_int enable); } 102 AUE_NULL STD { int linux_socketcall(l_int what, \ l_ulong args); } 103 AUE_NULL STD { int linux_syslog(l_int type, char *buf, \ l_int len); } 104 AUE_SETITIMER STD { int linux_setitimer(l_int which, \ struct l_itimerval *itv, \ struct l_itimerval *oitv); } 105 AUE_GETITIMER STD { int linux_getitimer(l_int which, \ struct l_itimerval *itv); } 106 AUE_STAT STD { int linux_newstat(char *path, \ struct l_newstat *buf); } 107 AUE_LSTAT STD { int linux_newlstat(char *path, \ struct l_newstat *buf); } 108 AUE_FSTAT STD { int linux_newfstat(l_uint fd, \ struct l_newstat *buf); } ; 109: olduname 109 AUE_NULL STD { int linux_uname(void); } 110 AUE_NULL STD { int linux_iopl(l_int level); } 111 AUE_NULL STD { int linux_vhangup(void); } 112 AUE_NULL UNIMPL idle 113 AUE_NULL STD { int linux_vm86old(void); } 114 AUE_WAIT4 STD { int linux_wait4(l_pid_t pid, \ l_int *status, l_int options, \ void *rusage); } 115 AUE_SWAPOFF STD { int linux_swapoff(void); } 116 AUE_NULL STD { int linux_sysinfo(struct l_sysinfo *info); } 117 AUE_NULL STD { int linux_ipc(l_uint what, l_int arg1, \ l_int arg2, l_int arg3, void *ptr, \ l_long arg5); } 118 AUE_FSYNC NOPROTO { int fsync(int fd); } 119 AUE_SIGRETURN STD { int linux_sigreturn( \ struct l_sigframe *sfp); } 120 AUE_RFORK STD { int linux_clone(l_int flags, void *stack, \ void *parent_tidptr, void *tls, void * child_tidptr); } 121 AUE_SYSCTL STD { int linux_setdomainname(char *name, \ int len); } 122 AUE_NULL STD { int linux_newuname( \ struct l_new_utsname *buf); } 123 AUE_NULL STD { int linux_modify_ldt(l_int func, \ void *ptr, l_ulong bytecount); } 124 AUE_ADJTIME STD { int linux_adjtimex(void); } 125 AUE_MPROTECT STD { int linux_mprotect(caddr_t addr, int len, \ int prot); } 126 AUE_SIGPROCMASK STD { int linux_sigprocmask(l_int how, \ l_osigset_t *mask, l_osigset_t *omask); } 127 AUE_NULL UNIMPL create_module 128 AUE_NULL STD { int linux_init_module(void); } 129 AUE_NULL STD { int linux_delete_module(void); } 130 AUE_NULL UNIMPL get_kernel_syms 131 AUE_QUOTACTL STD { int linux_quotactl(void); } 132 AUE_GETPGID NOPROTO { int getpgid(int pid); } 133 AUE_FCHDIR NOPROTO { int fchdir(int fd); } 134 AUE_BDFLUSH STD { int linux_bdflush(void); } 135 AUE_NULL STD { int linux_sysfs(l_int option, \ l_ulong arg1, l_ulong arg2); } 136 AUE_PERSONALITY STD { int linux_personality(l_uint per); } 137 AUE_NULL UNIMPL afs_syscall 138 AUE_SETFSUID STD { int linux_setfsuid16(l_uid16_t uid); } 139 AUE_SETFSGID STD { int linux_setfsgid16(l_gid16_t gid); } 140 AUE_LSEEK STD { int linux_llseek(l_int fd, l_ulong ohigh, \ l_ulong olow, l_loff_t *res, \ l_uint whence); } 141 AUE_GETDIRENTRIES STD { int linux_getdents(l_uint fd, \ void *dent, l_uint count); } ; 142: newselect 142 AUE_SELECT STD { int linux_select(l_int nfds, \ l_fd_set *readfds, l_fd_set *writefds, \ l_fd_set *exceptfds, \ struct l_timeval *timeout); } 143 AUE_FLOCK NOPROTO { int flock(int fd, int how); } 144 AUE_MSYNC STD { int linux_msync(l_ulong addr, \ l_size_t len, l_int fl); } 145 AUE_READV NOPROTO { int readv(int fd, struct iovec *iovp, \ u_int iovcnt); } 146 AUE_WRITEV NOPROTO { int writev(int fd, struct iovec *iovp, \ u_int iovcnt); } 147 AUE_GETSID STD { int linux_getsid(l_pid_t pid); } 148 AUE_NULL STD { int linux_fdatasync(l_uint fd); } 149 AUE_SYSCTL STD { int linux_sysctl( \ struct l___sysctl_args *args); } 150 AUE_MLOCK NOPROTO { int mlock(const void *addr, size_t len); } 151 AUE_MUNLOCK NOPROTO { int munlock(const void *addr, size_t len); } 152 AUE_MLOCKALL NOPROTO { int mlockall(int how); } 153 AUE_MUNLOCKALL NOPROTO { int munlockall(void); } 154 AUE_SCHED_SETPARAM STD { int linux_sched_setparam(l_pid_t pid, \ struct sched_param *param); } 155 AUE_SCHED_GETPARAM STD { int linux_sched_getparam(l_pid_t pid, \ struct sched_param *param); } 156 AUE_SCHED_SETSCHEDULER STD { int linux_sched_setscheduler( \ l_pid_t pid, l_int policy, \ struct sched_param *param); } 157 AUE_SCHED_GETSCHEDULER STD { int linux_sched_getscheduler( \ l_pid_t pid); } 158 AUE_NULL NOPROTO { int sched_yield(void); } 159 AUE_SCHED_GET_PRIORITY_MAX STD { int linux_sched_get_priority_max( \ l_int policy); } 160 AUE_SCHED_GET_PRIORITY_MIN STD { int linux_sched_get_priority_min( \ l_int policy); } 161 AUE_SCHED_RR_GET_INTERVAL STD { int linux_sched_rr_get_interval( \ l_pid_t pid, struct l_timespec *interval); } 162 AUE_NULL STD { int linux_nanosleep( \ const struct l_timespec *rqtp, \ struct l_timespec *rmtp); } 163 AUE_NULL STD { int linux_mremap(l_ulong addr, \ l_ulong old_len, l_ulong new_len, \ l_ulong flags, l_ulong new_addr); } 164 AUE_SETRESUID STD { int linux_setresuid16(l_uid16_t ruid, \ l_uid16_t euid, l_uid16_t suid); } 165 AUE_GETRESUID STD { int linux_getresuid16(l_uid16_t *ruid, \ l_uid16_t *euid, l_uid16_t *suid); } 166 AUE_NULL STD { int linux_vm86(void); } 167 AUE_NULL UNIMPL query_module 168 AUE_POLL NOPROTO { int poll(struct pollfd* fds, \ unsigned int nfds, long timeout); } 169 AUE_NULL UNIMPL nfsservctl 170 AUE_SETRESGID STD { int linux_setresgid16(l_gid16_t rgid, \ l_gid16_t egid, l_gid16_t sgid); } 171 AUE_GETRESGID STD { int linux_getresgid16(l_gid16_t *rgid, \ l_gid16_t *egid, l_gid16_t *sgid); } 172 AUE_PRCTL STD { int linux_prctl(l_int option, l_int arg2, l_int arg3, \ l_int arg4, l_int arg5); } 173 AUE_NULL STD { int linux_rt_sigreturn( \ struct l_ucontext *ucp); } 174 AUE_NULL STD { int linux_rt_sigaction(l_int sig, \ l_sigaction_t *act, l_sigaction_t *oact, \ l_size_t sigsetsize); } 175 AUE_NULL STD { int linux_rt_sigprocmask(l_int how, \ l_sigset_t *mask, l_sigset_t *omask, \ l_size_t sigsetsize); } 176 AUE_NULL STD { int linux_rt_sigpending(l_sigset_t *set, \ l_size_t sigsetsize); } 177 AUE_NULL STD { int linux_rt_sigtimedwait(l_sigset_t *mask, \ l_siginfo_t *ptr, \ struct l_timeval *timeout, \ l_size_t sigsetsize); } 178 AUE_NULL STD { int linux_rt_sigqueueinfo(l_pid_t pid, l_int sig, \ l_siginfo_t *info); } 179 AUE_NULL STD { int linux_rt_sigsuspend( \ l_sigset_t *newset, \ l_size_t sigsetsize); } 180 AUE_PREAD STD { int linux_pread(l_uint fd, char *buf, \ l_size_t nbyte, l_loff_t offset); } 181 AUE_PWRITE STD { int linux_pwrite(l_uint fd, char *buf, \ l_size_t nbyte, l_loff_t offset); } 182 AUE_CHOWN STD { int linux_chown16(char *path, \ l_uid16_t uid, l_gid16_t gid); } 183 AUE_GETCWD STD { int linux_getcwd(char *buf, \ l_ulong bufsize); } 184 AUE_CAPGET STD { int linux_capget(struct l_user_cap_header *hdrp, \ struct l_user_cap_data *datap); } 185 AUE_CAPSET STD { int linux_capset(struct l_user_cap_header *hdrp, \ struct l_user_cap_data *datap); } 186 AUE_NULL STD { int linux_sigaltstack(l_stack_t *uss, \ l_stack_t *uoss); } 187 AUE_SENDFILE STD { int linux_sendfile(void); } 188 AUE_GETPMSG UNIMPL getpmsg 189 AUE_PUTPMSG UNIMPL putpmsg 190 AUE_VFORK STD { int linux_vfork(void); } ; 191: ugetrlimit 191 AUE_GETRLIMIT STD { int linux_getrlimit(l_uint resource, \ struct l_rlimit *rlim); } 192 AUE_MMAP STD { int linux_mmap2(l_ulong addr, l_ulong len, \ l_ulong prot, l_ulong flags, l_ulong fd, \ l_ulong pgoff); } 193 AUE_TRUNCATE STD { int linux_truncate64(char *path, \ l_loff_t length); } 194 AUE_FTRUNCATE STD { int linux_ftruncate64(l_uint fd, \ l_loff_t length); } 195 AUE_STAT STD { int linux_stat64(const char *filename, \ struct l_stat64 *statbuf); } 196 AUE_LSTAT STD { int linux_lstat64(const char *filename, \ struct l_stat64 *statbuf); } 197 AUE_FSTAT STD { int linux_fstat64(l_int fd, \ struct l_stat64 *statbuf); } 198 AUE_LCHOWN STD { int linux_lchown(char *path, l_uid_t uid, \ l_gid_t gid); } 199 AUE_GETUID STD { int linux_getuid(void); } 200 AUE_GETGID STD { int linux_getgid(void); } 201 AUE_GETEUID NOPROTO { int geteuid(void); } 202 AUE_GETEGID NOPROTO { int getegid(void); } 203 AUE_SETREUID NOPROTO { int setreuid(uid_t ruid, uid_t euid); } 204 AUE_SETREGID NOPROTO { int setregid(gid_t rgid, gid_t egid); } 205 AUE_GETGROUPS STD { int linux_getgroups(l_int gidsetsize, \ l_gid_t *grouplist); } 206 AUE_SETGROUPS STD { int linux_setgroups(l_int gidsetsize, \ l_gid_t *grouplist); } 207 AUE_FCHOWN NODEF fchown fchown fchown_args int 208 AUE_SETRESUID NOPROTO { int setresuid(uid_t ruid, uid_t euid, \ uid_t suid); } 209 AUE_GETRESUID NOPROTO { int getresuid(uid_t *ruid, uid_t *euid, \ uid_t *suid); } 210 AUE_SETRESGID NOPROTO { int setresgid(gid_t rgid, gid_t egid, \ gid_t sgid); } 211 AUE_GETRESGID NOPROTO { int getresgid(gid_t *rgid, gid_t *egid, \ gid_t *sgid); } 212 AUE_CHOWN STD { int linux_chown(char *path, l_uid_t uid, \ l_gid_t gid); } 213 AUE_SETUID NOPROTO { int setuid(uid_t uid); } 214 AUE_SETGID NOPROTO { int setgid(gid_t gid); } 215 AUE_SETFSUID STD { int linux_setfsuid(l_uid_t uid); } 216 AUE_SETFSGID STD { int linux_setfsgid(l_gid_t gid); } 217 AUE_PIVOT_ROOT STD { int linux_pivot_root(char *new_root, \ char *put_old); } 218 AUE_MINCORE STD { int linux_mincore(l_ulong start, \ l_size_t len, u_char *vec); } 219 AUE_MADVISE NOPROTO { int madvise(void *addr, size_t len, \ int behav); } 220 AUE_GETDIRENTRIES STD { int linux_getdents64(l_uint fd, \ void *dirent, l_uint count); } 221 AUE_FCNTL STD { int linux_fcntl64(l_uint fd, l_uint cmd, \ l_ulong arg); } 222 AUE_NULL UNIMPL 223 AUE_NULL UNIMPL 224 AUE_NULL STD { long linux_gettid(void); } 225 AUE_NULL UNIMPL linux_readahead 226 AUE_NULL STD { int linux_setxattr(void); } 227 AUE_NULL STD { int linux_lsetxattr(void); } 228 AUE_NULL STD { int linux_fsetxattr(void); } 229 AUE_NULL STD { int linux_getxattr(void); } 230 AUE_NULL STD { int linux_lgetxattr(void); } 231 AUE_NULL STD { int linux_fgetxattr(void); } 232 AUE_NULL STD { int linux_listxattr(void); } 233 AUE_NULL STD { int linux_llistxattr(void); } 234 AUE_NULL STD { int linux_flistxattr(void); } 235 AUE_NULL STD { int linux_removexattr(void); } 236 AUE_NULL STD { int linux_lremovexattr(void); } 237 AUE_NULL STD { int linux_fremovexattr(void); } 238 AUE_NULL STD { int linux_tkill(int tid, int sig); } 239 AUE_SENDFILE UNIMPL linux_sendfile64 240 AUE_NULL STD { int linux_sys_futex(void *uaddr, int op, uint32_t val, \ struct l_timespec *timeout, uint32_t *uaddr2, uint32_t val3); } 241 AUE_NULL STD { int linux_sched_setaffinity(l_pid_t pid, l_uint len, \ l_ulong *user_mask_ptr); } 242 AUE_NULL STD { int linux_sched_getaffinity(l_pid_t pid, l_uint len, \ l_ulong *user_mask_ptr); } 243 AUE_NULL STD { int linux_set_thread_area(struct l_user_desc *desc); } 244 AUE_NULL STD { int linux_get_thread_area(struct l_user_desc *desc); } 245 AUE_NULL UNIMPL linux_io_setup 246 AUE_NULL UNIMPL linux_io_destroy 247 AUE_NULL UNIMPL linux_io_getevents 248 AUE_NULL UNIMPL linux_io_submit 249 AUE_NULL UNIMPL linux_io_cancel 250 AUE_NULL STD { int linux_fadvise64(int fd, l_loff_t offset, \ l_size_t len, int advice); } 251 AUE_NULL UNIMPL 252 AUE_EXIT STD { int linux_exit_group(int error_code); } 253 AUE_NULL STD { int linux_lookup_dcookie(void); } 254 AUE_NULL STD { int linux_epoll_create(l_int size); } 255 AUE_NULL STD { int linux_epoll_ctl(l_int epfd, l_int op, l_int fd, \ struct epoll_event *event); } 256 AUE_NULL STD { int linux_epoll_wait(l_int epfd, struct epoll_event *events, \ l_int maxevents, l_int timeout); } 257 AUE_NULL STD { int linux_remap_file_pages(void); } 258 AUE_NULL STD { int linux_set_tid_address(int *tidptr); } 259 AUE_NULL STD { int linux_timer_create(clockid_t clock_id, \ struct sigevent *evp, l_timer_t *timerid); } 260 AUE_NULL STD { int linux_timer_settime(l_timer_t timerid, l_int flags, \ const struct itimerspec *new, struct itimerspec *old); } 261 AUE_NULL STD { int linux_timer_gettime(l_timer_t timerid, struct itimerspec *setting); } 262 AUE_NULL STD { int linux_timer_getoverrun(l_timer_t timerid); } 263 AUE_NULL STD { int linux_timer_delete(l_timer_t timerid); } 264 AUE_CLOCK_SETTIME STD { int linux_clock_settime(clockid_t which, struct l_timespec *tp); } 265 AUE_NULL STD { int linux_clock_gettime(clockid_t which, struct l_timespec *tp); } 266 AUE_NULL STD { int linux_clock_getres(clockid_t which, struct l_timespec *tp); } 267 AUE_NULL STD { int linux_clock_nanosleep(clockid_t which, int flags, \ struct l_timespec *rqtp, struct l_timespec *rmtp); } 268 AUE_STATFS STD { int linux_statfs64(char *path, size_t bufsize, struct l_statfs64_buf *buf); } 269 AUE_FSTATFS STD { int linux_fstatfs64(l_uint fd, size_t bufsize, struct l_statfs64_buf *buf); } 270 AUE_NULL STD { int linux_tgkill(int tgid, int pid, int sig); } 271 AUE_UTIMES STD { int linux_utimes(char *fname, \ struct l_timeval *tptr); } 272 AUE_NULL STD { int linux_fadvise64_64(int fd, \ l_loff_t offset, l_loff_t len, \ int advice); } 273 AUE_NULL UNIMPL vserver 274 AUE_NULL STD { int linux_mbind(void); } 275 AUE_NULL STD { int linux_get_mempolicy(void); } 276 AUE_NULL STD { int linux_set_mempolicy(void); } ; linux 2.6.6: 277 AUE_NULL STD { int linux_mq_open(const char *name, int oflag, mode_t mode, \ struct mq_attr *attr); } 278 AUE_NULL STD { int linux_mq_unlink(const char *name); } 279 AUE_NULL STD { int linux_mq_timedsend(l_mqd_t mqd, const char *msg_ptr, \ size_t msg_len, unsigned int msg_prio, const struct \ l_timespec *abs_timeout); } 280 AUE_NULL STD { int linux_mq_timedreceive(l_mqd_t mqd, char *msg_ptr, \ size_t msg_len, unsigned int msg_prio, const struct \ l_timespec *abs_timeout); } 281 AUE_NULL STD { int linux_mq_notify(l_mqd_t mqd, const struct l_timespec *abs_timeout); } 282 AUE_NULL STD { int linux_mq_getsetattr(l_mqd_t mqd, const struct mq_attr *attr, \ struct mq_attr *oattr); } 283 AUE_NULL STD { int linux_kexec_load(void); } 284 AUE_WAIT6 STD { int linux_waitid(int idtype, l_pid_t id, \ l_siginfo_t *info, int options, \ void *rusage); } 285 AUE_NULL UNIMPL ; linux 2.6.11: 286 AUE_NULL STD { int linux_add_key(void); } 287 AUE_NULL STD { int linux_request_key(void); } 288 AUE_NULL STD { int linux_keyctl(void); } ; linux 2.6.13: 289 AUE_NULL STD { int linux_ioprio_set(void); } 290 AUE_NULL STD { int linux_ioprio_get(void); } 291 AUE_NULL STD { int linux_inotify_init(void); } 292 AUE_NULL STD { int linux_inotify_add_watch(void); } 293 AUE_NULL STD { int linux_inotify_rm_watch(void); } ; linux 2.6.16: 294 AUE_NULL STD { int linux_migrate_pages(void); } 295 AUE_OPEN_RWTC STD { int linux_openat(l_int dfd, const char *filename, \ l_int flags, l_int mode); } 296 AUE_MKDIRAT STD { int linux_mkdirat(l_int dfd, const char *pathname, \ l_int mode); } 297 AUE_MKNODAT STD { int linux_mknodat(l_int dfd, const char *filename, \ l_int mode, l_uint dev); } 298 AUE_FCHOWNAT STD { int linux_fchownat(l_int dfd, const char *filename, \ l_uid16_t uid, l_gid16_t gid, l_int flag); } 299 AUE_FUTIMESAT STD { int linux_futimesat(l_int dfd, char *filename, \ struct l_timeval *utimes); } 300 AUE_FSTATAT STD { int linux_fstatat64(l_int dfd, char *pathname, \ struct l_stat64 *statbuf, l_int flag); } 301 AUE_UNLINKAT STD { int linux_unlinkat(l_int dfd, const char *pathname, \ l_int flag); } 302 AUE_RENAMEAT STD { int linux_renameat(l_int olddfd, const char *oldname, \ l_int newdfd, const char *newname); } 303 AUE_LINKAT STD { int linux_linkat(l_int olddfd, const char *oldname, \ l_int newdfd, const char *newname, l_int flag); } 304 AUE_SYMLINKAT STD { int linux_symlinkat(const char *oldname, l_int newdfd, \ const char *newname); } 305 AUE_READLINKAT STD { int linux_readlinkat(l_int dfd, const char *path, \ char *buf, l_int bufsiz); } 306 AUE_FCHMODAT STD { int linux_fchmodat(l_int dfd, const char *filename, \ l_mode_t mode); } 307 AUE_FACCESSAT STD { int linux_faccessat(l_int dfd, const char *filename, \ l_int amode); } 308 AUE_SELECT STD { int linux_pselect6(l_int nfds, l_fd_set *readfds, \ l_fd_set *writefds, l_fd_set *exceptfds, \ struct l_timespec *tsp, l_uintptr_t *sig); } 309 AUE_POLL STD { int linux_ppoll(struct pollfd *fds, uint32_t nfds, \ struct l_timespec *tsp, l_sigset_t *sset, l_size_t ssize); } 310 AUE_NULL STD { int linux_unshare(void); } ; linux 2.6.17: 311 AUE_NULL STD { int linux_set_robust_list(struct linux_robust_list_head *head, \ l_size_t len); } 312 AUE_NULL STD { int linux_get_robust_list(l_int pid, \ struct linux_robust_list_head **head, l_size_t *len); } 313 AUE_NULL STD { int linux_splice(void); } 314 AUE_NULL STD { int linux_sync_file_range(void); } 315 AUE_NULL STD { int linux_tee(void); } 316 AUE_NULL STD { int linux_vmsplice(void); } ; linux 2.6.18: 317 AUE_NULL STD { int linux_move_pages(void); } ; linux 2.6.19: 318 AUE_NULL STD { int linux_getcpu(void); } 319 AUE_NULL STD { int linux_epoll_pwait(l_int epfd, struct epoll_event *events, \ - l_int maxevents, l_int timeout, l_sigset_t *mask, \ - l_size_t sigsetsize); } + l_int maxevents, l_int timeout, l_sigset_t *mask, \ + l_size_t sigsetsize); } ; linux 2.6.22: 320 AUE_FUTIMESAT STD { int linux_utimensat(l_int dfd, const char *pathname, \ const struct l_timespec *times, l_int flags); } 321 AUE_NULL STD { int linux_signalfd(void); } 322 AUE_NULL STD { int linux_timerfd_create(l_int clockid, l_int flags); } 323 AUE_NULL STD { int linux_eventfd(l_uint initval); } ; linux 2.6.23: 324 AUE_NULL STD { int linux_fallocate(l_int fd, l_int mode, \ l_loff_t offset, l_loff_t len); } ; linux 2.6.25: 325 AUE_NULL STD { int linux_timerfd_settime(l_int fd, l_int flags, \ const struct l_itimerspec *new_value, \ struct l_itimerspec *old_value); } 326 AUE_NULL STD { int linux_timerfd_gettime(l_int fd, \ struct l_itimerspec *old_value); } ; linux 2.6.27: 327 AUE_NULL STD { int linux_signalfd4(void); } 328 AUE_NULL STD { int linux_eventfd2(l_uint initval, l_int flags); } 329 AUE_NULL STD { int linux_epoll_create1(l_int flags); } 330 AUE_NULL STD { int linux_dup3(l_int oldfd, \ l_int newfd, l_int flags); } 331 AUE_NULL STD { int linux_pipe2(l_int *pipefds, l_int flags); } 332 AUE_NULL STD { int linux_inotify_init1(void); } ; linux 2.6.30: -333 AUE_NULL STD { int linux_preadv(l_ulong fd, \ +333 AUE_NULL STD { int linux_preadv(l_ulong fd, \ struct iovec *vec, l_ulong vlen, \ l_ulong pos_l, l_ulong pos_h); } -334 AUE_NULL STD { int linux_pwritev(l_ulong fd, \ +334 AUE_NULL STD { int linux_pwritev(l_ulong fd, \ struct iovec *vec, l_ulong vlen, \ l_ulong pos_l, l_ulong pos_h); } ; linux 2.6.31: 335 AUE_NULL STD { int linux_rt_tgsigqueueinfo(l_pid_t tgid, \ l_pid_t tid, l_int sig, l_siginfo_t *uinfo); } 336 AUE_NULL STD { int linux_perf_event_open(void); } ; linux 2.6.33: 337 AUE_NULL STD { int linux_recvmmsg(l_int s, \ struct l_mmsghdr *msg, l_uint vlen, \ l_uint flags, struct l_timespec *timeout); } 338 AUE_NULL STD { int linux_fanotify_init(void); } 339 AUE_NULL STD { int linux_fanotify_mark(void); } ; linux 2.6.36: 340 AUE_NULL STD { int linux_prlimit64(l_pid_t pid, \ l_uint resource, \ struct rlimit *new, \ struct rlimit *old); } ; linux 2.6.39: 341 AUE_NULL STD { int linux_name_to_handle_at(void); } 342 AUE_NULL STD { int linux_open_by_handle_at(void); } 343 AUE_NULL STD { int linux_clock_adjtime(void); } 344 AUE_SYNC STD { int linux_syncfs(l_int fd); } ; linux 3.0: 345 AUE_NULL STD { int linux_sendmmsg(l_int s, \ struct l_mmsghdr *msg, l_uint vlen, \ l_uint flags); } 346 AUE_NULL STD { int linux_setns(void); } ; linux 3.2 (glibc 2.15): 347 AUE_NULL STD { int linux_process_vm_readv(l_pid_t pid, \ const struct iovec *lvec, l_ulong liovcnt, \ const struct iovec *rvec, l_ulong riovcnt, \ l_ulong flags); } 348 AUE_NULL STD { int linux_process_vm_writev(l_pid_t pid, \ const struct iovec *lvec, l_ulong liovcnt, \ const struct iovec *rvec, l_ulong riovcnt, \ l_ulong flags); } ; linux 3.5 (no glibc wrapper): 349 AUE_NULL STD { int linux_kcmp(l_pid_t pid1, l_pid_t pid2, \ l_int type, l_ulong idx1, l_ulong idx); } ; linux 3.8 (no glibc wrapper): 350 AUE_NULL STD { int linux_finit_module(l_int fd, \ const char *uargs, l_int flags); } ; linux 3.14: 351 AUE_NULL STD { int linux_sched_setattr(l_pid_t pid, \ void *attr, l_uint flags); } 352 AUE_NULL STD { int linux_sched_getattr(l_pid_t pid, \ void *attr, l_uint size, l_uint flags); } ; linux 3.15: 353 AUE_NULL STD { int linux_renameat2(l_int oldfd, \ - const char *oldname, l_int newfd, \ + const char *oldname, l_int newfd, \ const char *newname, unsigned int flags); } ; linux 3.17: 354 AUE_NULL STD { int linux_seccomp(l_uint op, l_uint flags, \ const char *uargs); } 355 AUE_NULL STD { int linux_getrandom(char *buf, \ l_size_t count, l_uint flags); } 356 AUE_NULL STD { int linux_memfd_create(const char *uname_ptr, \ l_uint flags); } ; linux 3.18: 357 AUE_NULL STD { int linux_bpf(l_int cmd, void *attr, \ l_uint size); } ; linux 3.19: 358 AUE_NULL STD { int linux_execveat(l_int dfd, \ const char *filename, const char **argv, \ const char **envp, l_int flags); } ; linux 4.3: sockets now direct system calls: 359 AUE_SOCKET STD { int linux_socket(l_int domain, l_int type, \ l_int protocol); } 360 AUE_SOCKETPAIR STD { int linux_socketpair(l_int domain, \ l_int type, l_int protocol, l_uintptr_t rsv); } 361 AUE_BIND STD { int linux_bind(l_int s, l_uintptr_t name, \ l_int namelen); } 362 AUE_CONNECT STD { int linux_connect(l_int s, l_uintptr_t name, \ l_int namelen); } 363 AUE_LISTEN STD { int linux_listen(l_int s, l_int backlog); } 364 AUE_ACCEPT STD { int linux_accept4(l_int s, l_uintptr_t addr, \ l_uintptr_t namelen, l_int flags); } 365 AUE_GETSOCKOPT STD { int linux_getsockopt(l_int s, l_int level, \ l_int optname, l_uintptr_t optval, \ l_uintptr_t optlen); } 366 AUE_SETSOCKOPT STD { int linux_setsockopt(l_int s, l_int level, \ l_int optname, l_uintptr_t optval, \ l_int optlen); } 367 AUE_GETSOCKNAME STD { int linux_getsockname(l_int s, \ l_uintptr_t addr, l_uintptr_t namelen); } 368 AUE_GETPEERNAME STD { int linux_getpeername(l_int s, \ l_uintptr_t addr, l_uintptr_t namelen); } 369 AUE_SENDTO STD { int linux_sendto(l_int s, l_uintptr_t msg, \ l_int len, l_int flags, l_uintptr_t to, \ l_int tolen); } 370 AUE_SENDMSG STD { int linux_sendmsg(l_int s, l_uintptr_t msg, \ l_int flags); } 371 AUE_RECVFROM STD { int linux_recvfrom(l_int s, l_uintptr_t buf, \ l_size_t len, l_int flags, l_uintptr_t from, \ l_uintptr_t fromlen); } 372 AUE_RECVMSG STD { int linux_recvmsg(l_int s, l_uintptr_t msg, \ l_int flags); } 373 AUE_NULL STD { int linux_shutdown(l_int s, l_int how); } ; linux 4.2: 374 AUE_NULL STD { int linux_userfaultfd(l_int flags); } ; linux 4.3: 375 AUE_NULL STD { int linux_membarrier(l_int cmd, l_int flags); } ; linux 4.4: 376 AUE_NULL STD { int linux_mlock2(l_ulong start, l_size_t len, \ l_int flags); } ; linux 4.5: 377 AUE_NULL STD { int linux_copy_file_range(l_int fd_in, \ l_loff_t *off_in, l_int fd_out, \ l_loff_t *off_out, l_size_t len, \ l_uint flags); } ; linux 4.6: 378 AUE_NULL STD { int linux_preadv2(l_ulong fd, \ const struct iovec *vec, l_ulong vlen, \ l_ulong pos_l, l_ulong pos_h, l_int flags); } 379 AUE_NULL STD { int linux_pwritev2(l_ulong fd, \ const struct iovec *vec, l_ulong vlen, \ l_ulong pos_l, l_ulong pos_h, l_int flags); } ; linux 4.8: 380 AUE_NULL STD { int linux_pkey_mprotect(l_ulong start, \ l_size_t len, l_ulong prot, l_int pkey); } 381 AUE_NULL STD { int linux_pkey_alloc(l_ulong flags, \ l_ulong init_val); } 382 AUE_NULL STD { int linux_pkey_free(l_int pkey); } ; please, keep this line at the end. 383 AUE_NULL UNIMPL nosys ; vim: syntax=off