diff --git a/sys/amd64/linux/linux.h b/sys/amd64/linux/linux.h
index 9080bcb36cbc..519b6bd200ac 100644
--- a/sys/amd64/linux/linux.h
+++ b/sys/amd64/linux/linux.h
@@ -1,465 +1,465 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 1994-1996 Søren Schmidt
* All rights reserved.
* Copyright (c) 2013 Dmitry Chagin <dchagin@FreeBSD.org>
*
* 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 _AMD64_LINUX_H_
#define _AMD64_LINUX_H_
#include <sys/abi_compat.h>
#include <compat/linux/linux.h>
#include <amd64/linux/linux_syscall.h>
#define LINUX_LEGACY_SYSCALLS
#define LINUX_DTRACE linuxulator
/*
* 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 20 /* 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_ifmap {
l_ulong mem_start;
l_ulong mem_end;
l_ushort base_addr;
u_char irq;
u_char dma;
u_char port;
/* 3 bytes spare */
};
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;
};
#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
#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_ARCH_CET_STATUS 0x3001
#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;
};
/* This corresponds to 'struct user_regs_struct' in Linux. */
struct linux_pt_regset {
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;
l_ulong fs_base;
l_ulong gs_base;
l_ulong ds;
l_ulong es;
l_ulong fs;
l_ulong gs;
};
struct reg;
-void bsd_to_linux_regset(struct reg *b_reg,
+void bsd_to_linux_regset(const struct reg *b_reg,
struct linux_pt_regset *l_regset);
#endif /* !_AMD64_LINUX_H_ */
diff --git a/sys/amd64/linux/linux_machdep.c b/sys/amd64/linux/linux_machdep.c
index dc6b6140f60c..c34d98e86d0b 100644
--- a/sys/amd64/linux/linux_machdep.c
+++ b/sys/amd64/linux/linux_machdep.c
@@ -1,332 +1,332 @@
/*-
* Copyright (c) 2004 Tim J. Robbins
* Copyright (c) 2002 Doug Rabson
* Copyright (c) 2000 Marcel Moolenaar
* All rights reserved.
* Copyright (c) 2013 Dmitry Chagin <dchagin@FreeBSD.org>
*
* 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/capsicum.h>
#include <sys/clock.h>
#include <sys/dirent.h>
#include <sys/fcntl.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/imgact.h>
#include <sys/kernel.h>
#include <sys/ktr.h>
#include <sys/limits.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mman.h>
#include <sys/mutex.h>
#include <sys/priv.h>
#include <sys/proc.h>
#include <sys/resource.h>
#include <sys/resourcevar.h>
#include <sys/sched.h>
#include <sys/syscallsubr.h>
#include <sys/sysproto.h>
#include <sys/systm.h>
#include <sys/unistd.h>
#include <sys/vnode.h>
#include <sys/wait.h>
#include <security/mac/mac_framework.h>
#include <ufs/ufs/extattr.h>
#include <ufs/ufs/quota.h>
#include <ufs/ufs/ufsmount.h>
#include <machine/frame.h>
#include <machine/md_var.h>
#include <machine/pcb.h>
#include <machine/psl.h>
#include <machine/segments.h>
#include <machine/specialreg.h>
#include <vm/pmap.h>
#include <vm/vm.h>
#include <vm/vm_extern.h>
#include <vm/vm_kern.h>
#include <vm/vm_map.h>
#include <x86/ifunc.h>
#include <x86/reg.h>
#include <x86/sysarch.h>
#include <security/audit/audit.h>
#include <amd64/linux/linux.h>
#include <amd64/linux/linux_proto.h>
#include <compat/linux/linux_emul.h>
#include <compat/linux/linux_file.h>
#include <compat/linux/linux_fork.h>
#include <compat/linux/linux_ipc.h>
#include <compat/linux/linux_misc.h>
#include <compat/linux/linux_mmap.h>
#include <compat/linux/linux_signal.h>
#include <compat/linux/linux_util.h>
int
linux_execve(struct thread *td, struct linux_execve_args *args)
{
struct image_args eargs;
char *path;
int error;
LINUX_CTR(execve);
if (!LUSECONVPATH(td)) {
error = exec_copyin_args(&eargs, args->path, UIO_USERSPACE,
args->argp, args->envp);
} else {
LCONVPATHEXIST(td, args->path, &path);
error = exec_copyin_args(&eargs, path, UIO_SYSSPACE, args->argp,
args->envp);
LFREEPATH(path);
}
if (error == 0)
error = linux_common_execve(td, &eargs);
AUDIT_SYSCALL_EXIT(error == EJUSTRETURN ? 0 : error, td);
return (error);
}
int
linux_set_upcall(struct thread *td, register_t stack)
{
if (stack)
td->td_frame->tf_rsp = stack;
/*
* The newly created Linux thread returns
* to the user space by the same path that a parent does.
*/
td->td_frame->tf_rax = 0;
return (0);
}
int
linux_mmap2(struct thread *td, struct linux_mmap2_args *args)
{
return (linux_mmap_common(td, args->addr, args->len, args->prot,
args->flags, args->fd, args->pgoff));
}
int
linux_mprotect(struct thread *td, struct linux_mprotect_args *uap)
{
return (linux_mprotect_common(td, uap->addr, uap->len, uap->prot));
}
int
linux_madvise(struct thread *td, struct linux_madvise_args *uap)
{
return (linux_madvise_common(td, uap->addr, uap->len, uap->behav));
}
int
linux_iopl(struct thread *td, struct linux_iopl_args *args)
{
int error;
LINUX_CTR(iopl);
if (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_rflags = (td->td_frame->tf_rflags & ~PSL_IOPL) |
(args->level * (PSL_IOPL / 3));
return (0);
}
int
linux_pause(struct thread *td, struct linux_pause_args *args)
{
struct proc *p = td->td_proc;
sigset_t sigmask;
LINUX_CTR(pause);
PROC_LOCK(p);
sigmask = td->td_sigmask;
PROC_UNLOCK(p);
return (kern_sigsuspend(td, sigmask));
}
int
linux_arch_prctl(struct thread *td, struct linux_arch_prctl_args *args)
{
unsigned long long cet[3];
struct pcb *pcb;
int error;
pcb = td->td_pcb;
LINUX_CTR2(arch_prctl, "0x%x, %p", args->code, args->addr);
switch (args->code) {
case LINUX_ARCH_SET_GS:
if (args->addr < VM_MAXUSER_ADDRESS) {
update_pcb_bases(pcb);
pcb->pcb_gsbase = args->addr;
td->td_frame->tf_gs = _ugssel;
error = 0;
} else
error = EPERM;
break;
case LINUX_ARCH_SET_FS:
if (args->addr < VM_MAXUSER_ADDRESS) {
update_pcb_bases(pcb);
pcb->pcb_fsbase = args->addr;
td->td_frame->tf_fs = _ufssel;
error = 0;
} else
error = EPERM;
break;
case LINUX_ARCH_GET_FS:
error = copyout(&pcb->pcb_fsbase, PTRIN(args->addr),
sizeof(args->addr));
break;
case LINUX_ARCH_GET_GS:
error = copyout(&pcb->pcb_gsbase, PTRIN(args->addr),
sizeof(args->addr));
break;
case LINUX_ARCH_CET_STATUS:
memset(cet, 0, sizeof(cet));
error = copyout(&cet, PTRIN(args->addr), sizeof(cet));
break;
default:
linux_msg(td, "unsupported arch_prctl code %#x", args->code);
error = EINVAL;
}
return (error);
}
int
linux_set_cloned_tls(struct thread *td, void *desc)
{
struct pcb *pcb;
if ((uint64_t)desc >= VM_MAXUSER_ADDRESS)
return (EPERM);
pcb = td->td_pcb;
update_pcb_bases(pcb);
pcb->pcb_fsbase = (register_t)desc;
td->td_frame->tf_fs = _ufssel;
return (0);
}
int futex_xchgl_nosmap(int oparg, uint32_t *uaddr, int *oldval);
int futex_xchgl_smap(int oparg, uint32_t *uaddr, int *oldval);
DEFINE_IFUNC(, int, futex_xchgl, (int, uint32_t *, int *))
{
return ((cpu_stdext_feature & CPUID_STDEXT_SMAP) != 0 ?
futex_xchgl_smap : futex_xchgl_nosmap);
}
int futex_addl_nosmap(int oparg, uint32_t *uaddr, int *oldval);
int futex_addl_smap(int oparg, uint32_t *uaddr, int *oldval);
DEFINE_IFUNC(, int, futex_addl, (int, uint32_t *, int *))
{
return ((cpu_stdext_feature & CPUID_STDEXT_SMAP) != 0 ?
futex_addl_smap : futex_addl_nosmap);
}
int futex_orl_nosmap(int oparg, uint32_t *uaddr, int *oldval);
int futex_orl_smap(int oparg, uint32_t *uaddr, int *oldval);
DEFINE_IFUNC(, int, futex_orl, (int, uint32_t *, int *))
{
return ((cpu_stdext_feature & CPUID_STDEXT_SMAP) != 0 ?
futex_orl_smap : futex_orl_nosmap);
}
int futex_andl_nosmap(int oparg, uint32_t *uaddr, int *oldval);
int futex_andl_smap(int oparg, uint32_t *uaddr, int *oldval);
DEFINE_IFUNC(, int, futex_andl, (int, uint32_t *, int *))
{
return ((cpu_stdext_feature & CPUID_STDEXT_SMAP) != 0 ?
futex_andl_smap : futex_andl_nosmap);
}
int futex_xorl_nosmap(int oparg, uint32_t *uaddr, int *oldval);
int futex_xorl_smap(int oparg, uint32_t *uaddr, int *oldval);
DEFINE_IFUNC(, int, futex_xorl, (int, uint32_t *, int *))
{
return ((cpu_stdext_feature & CPUID_STDEXT_SMAP) != 0 ?
futex_xorl_smap : futex_xorl_nosmap);
}
void
-bsd_to_linux_regset(struct reg *b_reg, struct linux_pt_regset *l_regset)
+bsd_to_linux_regset(const struct reg *b_reg, struct linux_pt_regset *l_regset)
{
l_regset->r15 = b_reg->r_r15;
l_regset->r14 = b_reg->r_r14;
l_regset->r13 = b_reg->r_r13;
l_regset->r12 = b_reg->r_r12;
l_regset->rbp = b_reg->r_rbp;
l_regset->rbx = b_reg->r_rbx;
l_regset->r11 = b_reg->r_r11;
l_regset->r10 = b_reg->r_r10;
l_regset->r9 = b_reg->r_r9;
l_regset->r8 = b_reg->r_r8;
l_regset->rax = b_reg->r_rax;
l_regset->rcx = b_reg->r_rcx;
l_regset->rdx = b_reg->r_rdx;
l_regset->rsi = b_reg->r_rsi;
l_regset->rdi = b_reg->r_rdi;
l_regset->orig_rax = b_reg->r_rax;
l_regset->rip = b_reg->r_rip;
l_regset->cs = b_reg->r_cs;
l_regset->eflags = b_reg->r_rflags;
l_regset->rsp = b_reg->r_rsp;
l_regset->ss = b_reg->r_ss;
l_regset->fs_base = 0;
l_regset->gs_base = 0;
l_regset->ds = b_reg->r_ds;
l_regset->es = b_reg->r_es;
l_regset->fs = b_reg->r_fs;
l_regset->gs = b_reg->r_gs;
}
diff --git a/sys/amd64/linux32/linux.h b/sys/amd64/linux32/linux.h
index 8d7a36eedee9..f1f877181e47 100644
--- a/sys/amd64/linux32/linux.h
+++ b/sys/amd64/linux32/linux.h
@@ -1,640 +1,640 @@
/*-
* 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 <sys/abi_compat.h>
#include <compat/linux/linux.h>
#include <amd64/linux32/linux32_syscall.h>
#define LINUX_LEGACY_SYSCALLS
#define LINUX_DTRACE linuxulator32
#define LINUX32_MAXDSIZ (512 * 1024 * 1024) /* 512MB */
#define LINUX32_MAXSSIZ (64 * 1024 * 1024) /* 64MB */
#define LINUX32_MAXVMEM 0 /* Unlimited */
/*
* 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_longlong l_time64_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 21 /* Count of used aux entry types.
* Keep this synchronized with
* linux_fixup_elf() 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];
};
/* 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_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;
};
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;
};
/* __kernel_timespec */
struct l_timespec64 {
l_time64_t tv_sec;
l_longlong 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;
} __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];
} __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;
} 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;
} 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;
};
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;
} _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[1];
l_handler_t sf_handler;
};
struct l_rt_sigframe {
l_int sf_sig;
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;
} __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;
};
struct l_ifmap {
l_ulong mem_start;
l_ulong mem_end;
l_ushort base_addr;
u_char irq;
u_char dma;
u_char port;
/* 3 bytes spare */
};
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;
};
#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
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;
};
/* This corresponds to 'struct user_regs_struct32' in Linux. */
struct linux_pt_regset32 {
l_uint ebx;
l_uint ecx;
l_uint edx;
l_uint esi;
l_uint edi;
l_uint ebp;
l_uint eax;
l_uint ds;
l_uint es;
l_uint fs;
l_uint gs;
l_uint orig_eax;
l_uint eip;
l_uint cs;
l_uint eflags;
l_uint esp;
l_uint ss;
};
struct reg32;
-void bsd_to_linux_regset32(struct reg32 *b_reg,
+void bsd_to_linux_regset32(const struct reg32 *b_reg,
struct linux_pt_regset32 *l_regset);
#endif /* !_AMD64_LINUX_H_ */
diff --git a/sys/amd64/linux32/linux32_machdep.c b/sys/amd64/linux32/linux32_machdep.c
index 5801fac7f126..86f7bdc918d8 100644
--- a/sys/amd64/linux32/linux32_machdep.c
+++ b/sys/amd64/linux32/linux32_machdep.c
@@ -1,746 +1,747 @@
/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* 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.
* 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_compat.h"
#include <sys/param.h>
#include <sys/capsicum.h>
#include <sys/clock.h>
#include <sys/fcntl.h>
#include <sys/file.h>
#include <sys/imgact.h>
#include <sys/kernel.h>
#include <sys/limits.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mman.h>
#include <sys/mutex.h>
#include <sys/priv.h>
#include <sys/proc.h>
#include <sys/reg.h>
#include <sys/resource.h>
#include <sys/resourcevar.h>
#include <sys/syscallsubr.h>
#include <sys/sysproto.h>
#include <sys/systm.h>
#include <sys/unistd.h>
#include <sys/wait.h>
#include <machine/frame.h>
#include <machine/md_var.h>
#include <machine/pcb.h>
#include <machine/psl.h>
#include <machine/segments.h>
#include <machine/specialreg.h>
#include <x86/ifunc.h>
#include <vm/pmap.h>
#include <vm/vm.h>
#include <vm/vm_map.h>
#include <security/audit/audit.h>
#include <compat/freebsd32/freebsd32_util.h>
#include <amd64/linux32/linux.h>
#include <amd64/linux32/linux32_proto.h>
#include <compat/linux/linux_emul.h>
#include <compat/linux/linux_fork.h>
#include <compat/linux/linux_ipc.h>
#include <compat/linux/linux_misc.h>
#include <compat/linux/linux_mmap.h>
#include <compat/linux/linux_signal.h>
#include <compat/linux/linux_util.h>
static void bsd_to_linux_rusage(struct rusage *ru, struct l_rusage *lru);
struct l_old_select_argv {
l_int nfds;
l_uintptr_t readfds;
l_uintptr_t writefds;
l_uintptr_t exceptfds;
l_uintptr_t timeout;
} __packed;
static void
bsd_to_linux_rusage(struct rusage *ru, struct l_rusage *lru)
{
lru->ru_utime.tv_sec = ru->ru_utime.tv_sec;
lru->ru_utime.tv_usec = ru->ru_utime.tv_usec;
lru->ru_stime.tv_sec = ru->ru_stime.tv_sec;
lru->ru_stime.tv_usec = ru->ru_stime.tv_usec;
lru->ru_maxrss = ru->ru_maxrss;
lru->ru_ixrss = ru->ru_ixrss;
lru->ru_idrss = ru->ru_idrss;
lru->ru_isrss = ru->ru_isrss;
lru->ru_minflt = ru->ru_minflt;
lru->ru_majflt = ru->ru_majflt;
lru->ru_nswap = ru->ru_nswap;
lru->ru_inblock = ru->ru_inblock;
lru->ru_oublock = ru->ru_oublock;
lru->ru_msgsnd = ru->ru_msgsnd;
lru->ru_msgrcv = ru->ru_msgrcv;
lru->ru_nsignals = ru->ru_nsignals;
lru->ru_nvcsw = ru->ru_nvcsw;
lru->ru_nivcsw = ru->ru_nivcsw;
}
int
linux_copyout_rusage(struct rusage *ru, void *uaddr)
{
struct l_rusage lru;
bsd_to_linux_rusage(ru, &lru);
return (copyout(&lru, uaddr, sizeof(struct l_rusage)));
}
int
linux_execve(struct thread *td, struct linux_execve_args *args)
{
struct image_args eargs;
char *path;
int error;
LCONVPATHEXIST(td, args->path, &path);
error = freebsd32_exec_copyin_args(&eargs, path, UIO_SYSSPACE,
args->argp, args->envp);
free(path, M_TEMP);
if (error == 0)
error = linux_common_execve(td, &eargs);
AUDIT_SYSCALL_EXIT(error == EJUSTRETURN ? 0 : error, td);
return (error);
}
CTASSERT(sizeof(struct l_iovec32) == 8);
int
linux32_copyinuio(struct l_iovec32 *iovp, l_ulong iovcnt, struct uio **uiop)
{
struct l_iovec32 iov32;
struct iovec *iov;
struct uio *uio;
uint32_t iovlen;
int error, i;
*uiop = NULL;
if (iovcnt > UIO_MAXIOV)
return (EINVAL);
iovlen = iovcnt * sizeof(struct iovec);
uio = malloc(iovlen + sizeof(*uio), M_IOV, M_WAITOK);
iov = (struct iovec *)(uio + 1);
for (i = 0; i < iovcnt; i++) {
error = copyin(&iovp[i], &iov32, sizeof(struct l_iovec32));
if (error) {
free(uio, M_IOV);
return (error);
}
iov[i].iov_base = PTRIN(iov32.iov_base);
iov[i].iov_len = iov32.iov_len;
}
uio->uio_iov = iov;
uio->uio_iovcnt = iovcnt;
uio->uio_segflg = UIO_USERSPACE;
uio->uio_offset = -1;
uio->uio_resid = 0;
for (i = 0; i < iovcnt; i++) {
if (iov->iov_len > INT_MAX - uio->uio_resid) {
free(uio, M_IOV);
return (EINVAL);
}
uio->uio_resid += iov->iov_len;
iov++;
}
*uiop = uio;
return (0);
}
int
linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt, struct iovec **iovp,
int error)
{
struct l_iovec32 iov32;
struct iovec *iov;
uint32_t iovlen;
int i;
*iovp = NULL;
if (iovcnt > UIO_MAXIOV)
return (error);
iovlen = iovcnt * sizeof(struct iovec);
iov = malloc(iovlen, M_IOV, M_WAITOK);
for (i = 0; i < iovcnt; i++) {
error = copyin(&iovp32[i], &iov32, sizeof(struct l_iovec32));
if (error) {
free(iov, M_IOV);
return (error);
}
iov[i].iov_base = PTRIN(iov32.iov_base);
iov[i].iov_len = iov32.iov_len;
}
*iovp = iov;
return(0);
}
int
linux_readv(struct thread *td, struct linux_readv_args *uap)
{
struct uio *auio;
int error;
error = linux32_copyinuio(uap->iovp, uap->iovcnt, &auio);
if (error)
return (error);
error = kern_readv(td, uap->fd, auio);
free(auio, M_IOV);
return (error);
}
int
linux_writev(struct thread *td, struct linux_writev_args *uap)
{
struct uio *auio;
int error;
error = linux32_copyinuio(uap->iovp, uap->iovcnt, &auio);
if (error)
return (error);
error = kern_writev(td, uap->fd, auio);
free(auio, M_IOV);
return (error);
}
struct l_ipc_kludge {
l_uintptr_t msgp;
l_long msgtyp;
} __packed;
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 = PTRIN(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(PTRIN(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 = PTRIN(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 == 0)
return (EINVAL);
error = copyin(PTRIN(args->ptr), &tmp, sizeof(tmp));
if (error)
return (error);
a.msgp = PTRIN(tmp.msgp);
a.msgtyp = tmp.msgtyp;
} else {
a.msgp = PTRIN(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 = PTRIN(args->ptr);
return (linux_msgctl(td, &a));
}
case LINUX_SHMAT: {
struct linux_shmat_args a;
l_uintptr_t addr;
int error;
a.shmid = args->arg1;
a.shmaddr = PTRIN(args->ptr);
a.shmflg = args->arg2;
error = linux_shmat(td, &a);
if (error != 0)
return (error);
addr = td->td_retval[0];
error = copyout(&addr, PTRIN(args->arg3), sizeof(addr));
td->td_retval[0] = 0;
return (error);
}
case LINUX_SHMDT: {
struct linux_shmdt_args a;
a.shmaddr = PTRIN(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 = PTRIN(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;
error = copyin(args->ptr, &linux_args, sizeof(linux_args));
if (error)
return (error);
newsel.nfds = linux_args.nfds;
newsel.readfds = PTRIN(linux_args.readfds);
newsel.writefds = PTRIN(linux_args.writefds);
newsel.exceptfds = PTRIN(linux_args.exceptfds);
newsel.timeout = PTRIN(linux_args.timeout);
return (linux_select(td, &newsel));
}
int
linux_set_cloned_tls(struct thread *td, void *desc)
{
struct l_user_desc info;
struct pcb *pcb;
int error;
error = copyin(desc, &info, sizeof(struct l_user_desc));
if (error) {
linux_msg(td, "set_cloned_tls copyin info failed!");
} else {
/* We might copy out the entry_number as GUGS32_SEL. */
info.entry_number = GUGS32_SEL;
error = copyout(&info, desc, sizeof(struct l_user_desc));
if (error)
linux_msg(td, "set_cloned_tls copyout info failed!");
pcb = td->td_pcb;
update_pcb_bases(pcb);
pcb->pcb_gsbase = (register_t)info.base_addr;
td->td_frame->tf_gs = GSEL(GUGS32_SEL, SEL_UPL);
}
return (error);
}
int
linux_set_upcall(struct thread *td, register_t stack)
{
if (stack)
td->td_frame->tf_rsp = stack;
/*
* The newly created Linux thread returns
* to the user space by the same path that a parent do.
*/
td->td_frame->tf_rax = 0;
return (0);
}
int
linux_mmap2(struct thread *td, struct linux_mmap2_args *args)
{
return (linux_mmap_common(td, PTROUT(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);
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_madvise(struct thread *td, struct linux_madvise_args *uap)
{
return (linux_madvise_common(td, PTROUT(uap->addr), uap->len, uap->behav));
}
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_rflags = (td->td_frame->tf_rflags & ~PSL_IOPL) |
(args->level * (PSL_IOPL / 3));
return (0);
}
int
linux_sigaction(struct thread *td, struct linux_sigaction_args *args)
{
l_osigaction_t osa;
l_sigaction_t act, oact;
int error;
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 don't 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;
LINUX_SIGEMPTYSET(mask);
mask.__mask = args->mask;
linux_to_bsd_sigset(&mask, &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;
PROC_LOCK(p);
sigmask = td->td_sigmask;
PROC_UNLOCK(p);
return (kern_sigsuspend(td, sigmask));
}
int
linux_gettimeofday(struct thread *td, struct linux_gettimeofday_args *uap)
{
struct timeval atv;
l_timeval atv32;
struct timezone rtz;
int error = 0;
if (uap->tp) {
microtime(&atv);
atv32.tv_sec = atv.tv_sec;
atv32.tv_usec = atv.tv_usec;
error = copyout(&atv32, uap->tp, sizeof(atv32));
}
if (error == 0 && uap->tzp != NULL) {
rtz.tz_minuteswest = 0;
rtz.tz_dsttime = 0;
error = copyout(&rtz, uap->tzp, sizeof(rtz));
}
return (error);
}
int
linux_settimeofday(struct thread *td, struct linux_settimeofday_args *uap)
{
l_timeval atv32;
struct timeval atv, *tvp;
struct timezone atz, *tzp;
int error;
if (uap->tp) {
error = copyin(uap->tp, &atv32, sizeof(atv32));
if (error)
return (error);
atv.tv_sec = atv32.tv_sec;
atv.tv_usec = atv32.tv_usec;
tvp = &atv;
} else
tvp = NULL;
if (uap->tzp) {
error = copyin(uap->tzp, &atz, sizeof(atz));
if (error)
return (error);
tzp = &atz;
} else
tzp = NULL;
return (kern_settimeofday(td, tvp, tzp));
}
int
linux_getrusage(struct thread *td, struct linux_getrusage_args *uap)
{
struct rusage s;
int error;
error = kern_getrusage(td, uap->who, &s);
if (error != 0)
return (error);
if (uap->rusage != NULL)
error = linux_copyout_rusage(&s, uap->rusage);
return (error);
}
int
linux_set_thread_area(struct thread *td,
struct linux_set_thread_area_args *args)
{
struct l_user_desc info;
struct pcb *pcb;
int error;
error = copyin(args->desc, &info, sizeof(struct l_user_desc));
if (error)
return (error);
/*
* Semantics of Linux version: every thread in the system has array
* of three 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 FreeBSD version: I think we can ignore that Linux has
* three per-thread descriptors and use just the first one.
* The tls_array[] is used only in [gs]et_thread_area() syscalls and
* for loading the GDT descriptors. We use just one GDT descriptor
* for TLS, so we will load just one.
*
* XXX: This doesn't work when a user space process tries to use more
* than one TLS segment. Comment in the Linux source says wine might
* do this.
*/
/*
* GLIBC reads current %gs and call set_thread_area() with it.
* We should let GUDATA_SEL and GUGS32_SEL proceed as well because
* we use these segments.
*/
switch (info.entry_number) {
case GUGS32_SEL:
case GUDATA_SEL:
case 6:
case -1:
info.entry_number = GUGS32_SEL;
break;
default:
return (EINVAL);
}
/*
* We have to copy out the GDT entry we use.
*
* XXX: What if a user space program does not check the return value
* and tries to use 6, 7 or 8?
*/
error = copyout(&info, args->desc, sizeof(struct l_user_desc));
if (error)
return (error);
pcb = td->td_pcb;
update_pcb_bases(pcb);
pcb->pcb_gsbase = (register_t)info.base_addr;
update_gdt_gsbase(td, info.base_addr);
return (0);
}
void
-bsd_to_linux_regset32(struct reg32 *b_reg, struct linux_pt_regset32 *l_regset)
+bsd_to_linux_regset32(const struct reg32 *b_reg,
+ struct linux_pt_regset32 *l_regset)
{
l_regset->ebx = b_reg->r_ebx;
l_regset->ecx = b_reg->r_ecx;
l_regset->edx = b_reg->r_edx;
l_regset->esi = b_reg->r_esi;
l_regset->edi = b_reg->r_edi;
l_regset->ebp = b_reg->r_ebp;
l_regset->eax = b_reg->r_eax;
l_regset->ds = b_reg->r_ds;
l_regset->es = b_reg->r_es;
l_regset->fs = b_reg->r_fs;
l_regset->gs = b_reg->r_gs;
l_regset->orig_eax = b_reg->r_eax;
l_regset->eip = b_reg->r_eip;
l_regset->cs = b_reg->r_cs;
l_regset->eflags = b_reg->r_eflags;
l_regset->esp = b_reg->r_esp;
l_regset->ss = b_reg->r_ss;
}
int futex_xchgl_nosmap(int oparg, uint32_t *uaddr, int *oldval);
int futex_xchgl_smap(int oparg, uint32_t *uaddr, int *oldval);
DEFINE_IFUNC(, int, futex_xchgl, (int, uint32_t *, int *))
{
return ((cpu_stdext_feature & CPUID_STDEXT_SMAP) != 0 ?
futex_xchgl_smap : futex_xchgl_nosmap);
}
int futex_addl_nosmap(int oparg, uint32_t *uaddr, int *oldval);
int futex_addl_smap(int oparg, uint32_t *uaddr, int *oldval);
DEFINE_IFUNC(, int, futex_addl, (int, uint32_t *, int *))
{
return ((cpu_stdext_feature & CPUID_STDEXT_SMAP) != 0 ?
futex_addl_smap : futex_addl_nosmap);
}
int futex_orl_nosmap(int oparg, uint32_t *uaddr, int *oldval);
int futex_orl_smap(int oparg, uint32_t *uaddr, int *oldval);
DEFINE_IFUNC(, int, futex_orl, (int, uint32_t *, int *))
{
return ((cpu_stdext_feature & CPUID_STDEXT_SMAP) != 0 ?
futex_orl_smap : futex_orl_nosmap);
}
int futex_andl_nosmap(int oparg, uint32_t *uaddr, int *oldval);
int futex_andl_smap(int oparg, uint32_t *uaddr, int *oldval);
DEFINE_IFUNC(, int, futex_andl, (int, uint32_t *, int *))
{
return ((cpu_stdext_feature & CPUID_STDEXT_SMAP) != 0 ?
futex_andl_smap : futex_andl_nosmap);
}
int futex_xorl_nosmap(int oparg, uint32_t *uaddr, int *oldval);
int futex_xorl_smap(int oparg, uint32_t *uaddr, int *oldval);
DEFINE_IFUNC(, int, futex_xorl, (int, uint32_t *, int *))
{
return ((cpu_stdext_feature & CPUID_STDEXT_SMAP) != 0 ?
futex_xorl_smap : futex_xorl_nosmap);
}
diff --git a/sys/arm64/linux/linux.h b/sys/arm64/linux/linux.h
index b5273498a5aa..5e4bf3ae0680 100644
--- a/sys/arm64/linux/linux.h
+++ b/sys/arm64/linux/linux.h
@@ -1,328 +1,328 @@
/*-
* Copyright (c) 1994-1996 Søren Schmidt
* Copyright (c) 2013 Dmitry Chagin <dchagin@FreeBSD.org>
* Copyright (c) 2018 Turing Robotic Industries Inc.
*
* 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 _ARM64_LINUX_H_
#define _ARM64_LINUX_H_
#include <sys/abi_compat.h>
#include <compat/linux/linux.h>
#include <arm64/linux/linux_syscall.h>
#define LINUX_DTRACE linuxulator
/* 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; /* XXX */
typedef l_uint l_uid_t;
typedef l_ushort l_uid16_t; /* XXX */
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_suseconds_t;
typedef l_long l_time_t;
typedef l_int l_timer_t; /* XXX */
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
struct l___sysctl_args
{
l_uintptr_t name;
l_int nlen;
l_uintptr_t oldval;
l_uintptr_t oldlenp;
l_uintptr_t newval;
l_uintptr_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;
};
#define LINUX_O_DIRECTORY 000040000 /* Must be a directory */
#define LINUX_O_NOFOLLOW 000100000 /* Do not follow links */
#define LINUX_O_DIRECT 000200000 /* Direct disk access hint */
#define LINUX_O_LARGEFILE 000400000
struct l_newstat {
l_dev_t st_dev;
l_ino_t st_ino;
l_uint st_mode;
l_uint st_nlink;
l_uid_t st_uid;
l_gid_t st_gid;
l_dev_t st_rdev;
l_ulong __st_pad1;
l_off_t st_size;
l_int st_blksize;
l_int __st_pad2;
l_long st_blocks;
struct l_timespec st_atim;
struct l_timespec st_mtim;
struct l_timespec st_ctim;
l_uint __unused1;
l_uint __unused2;
};
/* 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 /* XXX */
#define LINUX_SA_NOMASK 0x40000000 /* SA_NODEFER */
#define LINUX_SA_ONESHOT 0x80000000 /* SA_RESETHAND */
/* sigprocmask actions */
#define LINUX_SIG_BLOCK 0
#define LINUX_SIG_UNBLOCK 1
#define LINUX_SIG_SETMASK 2
/* sigaltstack */
#define LINUX_MINSIGSTKSZ 2048 /* XXX */
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; /* XXX */
typedef struct {
l_uintptr_t ss_sp;
l_int ss_flags;
l_size_t ss_size;
} l_stack_t;
#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
/*
* This structure is different from the one used by Linux,
* but it doesn't matter - it's not user-accessible. We need
* it instead of the native one because of l_siginfo.
*/
struct l_sigframe {
struct l_siginfo sf_si;
ucontext_t sf_uc;
};
union l_semun {
l_int val;
l_uintptr_t buf;
l_uintptr_t array;
l_uintptr_t __buf;
l_uintptr_t __pad;
};
struct l_ifmap {
l_ulong mem_start;
l_ulong mem_end;
l_ushort base_addr;
u_char irq;
u_char dma;
u_char port;
/* 3 bytes spare*/
};
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;
};
#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 */
#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;
};
struct linux_pt_regset {
l_ulong x[31];
l_ulong sp;
l_ulong pc;
l_ulong cpsr;
};
struct reg;
-void bsd_to_linux_regset(struct reg *b_reg,
+void bsd_to_linux_regset(const struct reg *b_reg,
struct linux_pt_regset *l_regset);
#endif /* _ARM64_LINUX_H_ */
diff --git a/sys/arm64/linux/linux_machdep.c b/sys/arm64/linux/linux_machdep.c
index fae5bd11653b..c874f86a5f0c 100644
--- a/sys/arm64/linux/linux_machdep.c
+++ b/sys/arm64/linux/linux_machdep.c
@@ -1,147 +1,147 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2018 Turing Robotic Industries Inc.
* Copyright (c) 2000 Marcel Moolenaar
*
* 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/fcntl.h>
#include <sys/imgact.h>
#include <sys/ktr.h>
#include <sys/proc.h>
#include <sys/reg.h>
#include <sys/sdt.h>
#include <security/audit/audit.h>
#include <arm64/linux/linux.h>
#include <arm64/linux/linux_proto.h>
#include <compat/linux/linux_dtrace.h>
#include <compat/linux/linux_emul.h>
#include <compat/linux/linux_fork.h>
#include <compat/linux/linux_misc.h>
#include <compat/linux/linux_mmap.h>
#include <compat/linux/linux_util.h>
/* DTrace init */
LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
/* DTrace probes */
LIN_SDT_PROBE_DEFINE0(machdep, linux_mmap2, todo);
/*
* LINUXTODO: deduplicate; linux_execve is common across archs, except that on
* amd64 compat linuxulator it calls freebsd32_exec_copyin_args.
*/
int
linux_execve(struct thread *td, struct linux_execve_args *uap)
{
struct image_args eargs;
char *path;
int error;
if (!LUSECONVPATH(td)) {
error = exec_copyin_args(&eargs, uap->path, UIO_USERSPACE,
uap->argp, uap->envp);
} else {
LCONVPATHEXIST(td, uap->path, &path);
error = exec_copyin_args(&eargs, path, UIO_SYSSPACE,
uap->argp, uap->envp);
LFREEPATH(path);
}
if (error == 0)
error = linux_common_execve(td, &eargs);
AUDIT_SYSCALL_EXIT(error == EJUSTRETURN ? 0 : error, td);
return (error);
}
int
linux_set_upcall(struct thread *td, register_t stack)
{
if (stack)
td->td_frame->tf_sp = stack;
/*
* The newly created Linux thread returns
* to the user space by the same path that a parent does.
*/
td->td_frame->tf_x[0] = 0;
return (0);
}
/* LINUXTODO: deduplicate arm64 linux_mmap2 */
int
linux_mmap2(struct thread *td, struct linux_mmap2_args *uap)
{
LIN_SDT_PROBE0(machdep, linux_mmap2, todo);
return (linux_mmap_common(td, PTROUT(uap->addr), uap->len, uap->prot,
uap->flags, uap->fd, uap->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_madvise(struct thread *td, struct linux_madvise_args *uap)
{
return (linux_madvise_common(td, PTROUT(uap->addr), uap->len, uap->behav));
}
int
linux_set_cloned_tls(struct thread *td, void *desc)
{
if ((uint64_t)desc >= VM_MAXUSER_ADDRESS)
return (EPERM);
return (cpu_set_user_tls(td, desc));
}
void
-bsd_to_linux_regset(struct reg *b_reg, struct linux_pt_regset *l_regset)
+bsd_to_linux_regset(const struct reg *b_reg, struct linux_pt_regset *l_regset)
{
KASSERT(sizeof(l_regset->x) == sizeof(b_reg->x) + sizeof(l_ulong),
("%s: size mismatch\n", __func__));
memcpy(l_regset->x, b_reg->x, sizeof(b_reg->x));
l_regset->x[30] = b_reg->lr;
l_regset->sp = b_reg->sp;
l_regset->pc = b_reg->elr;
l_regset->cpsr = b_reg->spsr;
}