Index: head/sys/amd64/linux/linux_sysvec.c =================================================================== --- head/sys/amd64/linux/linux_sysvec.c (revision 283466) +++ head/sys/amd64/linux/linux_sysvec.c (revision 283467) @@ -1,968 +1,968 @@ /*- * 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, struct syscall_args *sa); static void linux_exec_setregs(struct thread *td, struct image_params *imgp, u_long stack); /* * 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, -95, -16, -74, -72, -67, -71 }; int bsd_to_linux_signal[LINUX_SIGTBLSZ] = { LINUX_SIGHUP, LINUX_SIGINT, LINUX_SIGQUIT, LINUX_SIGILL, LINUX_SIGTRAP, LINUX_SIGABRT, 0, LINUX_SIGFPE, LINUX_SIGKILL, LINUX_SIGBUS, LINUX_SIGSEGV, LINUX_SIGSYS, LINUX_SIGPIPE, LINUX_SIGALRM, LINUX_SIGTERM, LINUX_SIGURG, LINUX_SIGSTOP, LINUX_SIGTSTP, LINUX_SIGCONT, LINUX_SIGCHLD, LINUX_SIGTTIN, LINUX_SIGTTOU, LINUX_SIGIO, LINUX_SIGXCPU, LINUX_SIGXFSZ, LINUX_SIGVTALRM, LINUX_SIGPROF, LINUX_SIGWINCH, 0, LINUX_SIGUSR1, LINUX_SIGUSR2 }; int linux_to_bsd_signal[LINUX_SIGTBLSZ] = { SIGHUP, SIGINT, SIGQUIT, SIGILL, SIGTRAP, SIGABRT, SIGBUS, SIGFPE, SIGKILL, SIGUSR1, SIGSEGV, SIGUSR2, SIGPIPE, SIGALRM, SIGTERM, SIGBUS, SIGCHLD, SIGCONT, SIGSTOP, SIGTSTP, SIGTTIN, SIGTTOU, SIGURG, SIGXCPU, SIGXFSZ, SIGVTALRM, SIGPROF, SIGWINCH, SIGIO, SIGURG, SIGSYS }; #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->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) { - PROC_LOCK(p); - sigexit(td, SIGILL); - } else + if (sa->code >= p->p_sysent->sv_size) + /* nosys */ + sa->callp = &p->p_sysent->sv_table[LINUX_SYS_MAXSYSCALL]; + 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; 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); 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, 0); 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; mtx_lock(&dt_lock); if (td->td_proc->p_md.md_ldt != NULL) user_ldt_free(td); else mtx_unlock(&dt_lock); 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 = 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 if appropriate. */ 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, len; /* * 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) { len = strlen(rpath) + 1; if (len <= MAXSHELLCMDLEN) memcpy(imgp->interpreter_name, rpath, len); free(rpath, M_TEMP); } } } return(error); } struct sysentvec elf_linux_sysvec = { .sv_size = LINUX_SYS_MAXSYSCALL, .sv_table = linux_sysent, .sv_mask = 0, .sv_sigsize = LINUX_SIGTBLSZ, .sv_sigtbl = bsd_to_linux_signal, .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_prepsyscall = NULL, .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 }; static void linux_vdso_install(void *param) { 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, SHAREDPAGE); 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)SHAREDPAGE); } 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 }; Elf64_Brandinfo *linux_brandlist[] = { &linux_glibc2brand, &linux_glibc2brandshort, 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); Index: head/sys/amd64/linux/syscalls.master =================================================================== --- head/sys/amd64/linux/syscalls.master (revision 283466) +++ head/sys/amd64/linux/syscalls.master (revision 283467) @@ -1,508 +1,510 @@ $FreeBSD$ ; @(#)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, OBSOL, 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/OBSOL, name continues with comments ; types: ; STD always included ; OBSOL obsolete, not included in system, only specifies name ; UNIMPL not implemented, placeholder only #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*, \ unsigned 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_long addr, l_long 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_ulong 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 l_sched_param *param); } 143 AUE_SCHED_GETPARAM STD { int linux_sched_getparam(l_pid_t pid, \ struct l_sched_param *param); } 144 AUE_SCHED_SETSCHEDULER STD { int linux_sched_setscheduler( \ l_pid_t pid, l_int policy, \ struct l_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 *tp, 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 STD { int linux_create_module(void); } 175 AUE_NULL STD { int linux_init_module(void); } 176 AUE_NULL STD { int linux_delete_module(void); } 177 AUE_NULL STD { int linux_get_kernel_syms(void); } 178 AUE_NULL STD { int linux_query_module(void); } 179 AUE_QUOTACTL STD { int linux_quotactl(void); } 180 AUE_NULL STD { int linux_nfsservctl(void); } 181 AUE_GETPMSG STD { int linux_getpmsg(void); } 182 AUE_PUTPMSG STD { int linux_putpmsg(void); } 183 AUE_NULL STD { int linux_afs_syscall(void); } 184 AUE_NULL STD { int linux_tuxcall(void); } 185 AUE_NULL STD { int linux_security(void); } 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 STD { int linux_set_thread_area(void); } 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 inux_io_submit 210 AUE_NULL UNIMPL linux_io_cancel 211 AUE_NULL UNIMPL linux_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 STD { int linux_epoll_ctl_old(void); } 215 AUE_NULL STD { int linux_epoll_wait_old(void); } 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_NULL STD { int linux_utimensat(void); } 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); } 282 AUE_NULL STD { int linux_signalfd(void); } 283 AUE_NULL STD { int linux_timerfd(void); } 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(void); } 287 AUE_NULL STD { int linux_timerfd_gettime(void); } 288 AUE_ACCEPT STD { int linux_accept4(l_int s, l_uintptr_t addr, \ l_uintptr_t namelen, int flags); } 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(void); } 295 AUE_NULL STD { int linux_preadv(void); } 296 AUE_NULL STD { int linux_pwritev(void); } 297 AUE_NULL STD { int linux_rt_tsigqueueinfo(void); } 298 AUE_NULL STD { int linux_perf_event_open(void); } 299 AUE_NULL STD { int linux_recvmmsg(void); } 300 AUE_NULL STD { int linux_fanotify_init(void); } 301 AUE_NULL STD { int linux_fanotify_mark(void); } 302 AUE_NULL STD { int linux_prlimit64(l_pid_t pid, l_uint resource, \ struct rlimit *new, struct rlimit *old); } 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_NULL STD { int linux_syncfs(void); } 307 AUE_NULL STD { int linux_sendmmsg(void); } 308 AUE_NULL STD { int linux_setns(void); } 309 AUE_NULL STD { int linux_process_vm_readv(void); } 310 AUE_NULL STD { int linux_process_vm_writev(void); } 311 AUE_NULL STD { int linux_kcmp(void); } 312 AUE_NULL STD { int linux_finit_module(void); } +; please, keep this line at the end. +313 AUE_NULL UNIMPL nosys Index: head/sys/amd64/linux32/linux32_sysvec.c =================================================================== --- head/sys/amd64/linux32/linux32_sysvec.c (revision 283466) +++ head/sys/amd64/linux32/linux32_sysvec.c (revision 283467) @@ -1,1230 +1,1231 @@ /*- * 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 LINUX_SYS_linux_rt_sendsig 0 #define LINUX_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 linux_sysent[LINUX_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, 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, -95, -16, -74, -72, -67, -71 }; int bsd_to_linux_signal[LINUX_SIGTBLSZ] = { LINUX_SIGHUP, LINUX_SIGINT, LINUX_SIGQUIT, LINUX_SIGILL, LINUX_SIGTRAP, LINUX_SIGABRT, 0, LINUX_SIGFPE, LINUX_SIGKILL, LINUX_SIGBUS, LINUX_SIGSEGV, LINUX_SIGSYS, LINUX_SIGPIPE, LINUX_SIGALRM, LINUX_SIGTERM, LINUX_SIGURG, LINUX_SIGSTOP, LINUX_SIGTSTP, LINUX_SIGCONT, LINUX_SIGCHLD, LINUX_SIGTTIN, LINUX_SIGTTOU, LINUX_SIGIO, LINUX_SIGXCPU, LINUX_SIGXFSZ, LINUX_SIGVTALRM, LINUX_SIGPROF, LINUX_SIGWINCH, 0, LINUX_SIGUSR1, LINUX_SIGUSR2 }; int linux_to_bsd_signal[LINUX_SIGTBLSZ] = { SIGHUP, SIGINT, SIGQUIT, SIGILL, SIGTRAP, SIGABRT, SIGBUS, SIGFPE, SIGKILL, SIGUSR1, SIGSEGV, SIGUSR2, SIGPIPE, SIGALRM, SIGTERM, SIGBUS, SIGCHLD, SIGCONT, SIGSTOP, SIGTSTP, SIGTTIN, SIGTTOU, SIGURG, SIGXCPU, SIGXFSZ, SIGVTALRM, SIGPROF, SIGWINCH, SIGIO, SIGURG, SIGSYS }; #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); 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, 0); 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 *)(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.__bits[0]; 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, i; 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 *)(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.__bits[0]; 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); for (i = 0; i < (LINUX_NSIG_WORDS-1); i++) frame.sf_extramask[i] = lmask.__bits[i+1]; 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, i; 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.__bits[0] = frame.sf_sc.sc_mask; for (i = 0; i < (LINUX_NSIG_WORDS-1); i++) lmask.__bits[i+1] = frame.sf_extramask[i]; 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 syscall_args *sa) { struct proc *p; struct trapframe *frame; p = td->td_proc; frame = td->td_frame; 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) - sa->callp = &p->p_sysent->sv_table[0]; + /* nosys */ + sa->callp = &p->p_sysent->sv_table[LINUX_SYS_MAXSYSCALL]; 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; mtx_lock(&dt_lock); if (td->td_proc->p_md.md_ldt != NULL) user_ldt_free(td); else mtx_unlock(&dt_lock); 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); td->td_retval[1] = 0; } /* * 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"); #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 = LINUX_SYS_MAXSYSCALL, .sv_table = linux_sysent, .sv_mask = 0, .sv_sigsize = LINUX_SIGTBLSZ, .sv_sigtbl = bsd_to_linux_signal, .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_prepsyscall = NULL, .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, }; static void linux_vdso_install(void *param) { 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, LINUX32_SHAREDPAGE); 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)LINUX32_SHAREDPAGE); } 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 }; Elf32_Brandinfo *linux_brandlist[] = { &linux_brand, &linux_glibc2brand, 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); Index: head/sys/amd64/linux32/syscalls.master =================================================================== --- head/sys/amd64/linux32/syscalls.master (revision 283466) +++ head/sys/amd64/linux32/syscalls.master (revision 283467) @@ -1,577 +1,579 @@ $FreeBSD$ ; @(#)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, OBSOL, 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/OBSOL, name continues with comments ; types: ; STD always included ; OBSOL obsolete, not included in system, only specifies name ; UNIMPL not implemented, placeholder only #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 STD { int linux_create_module(void); } 128 AUE_NULL STD { int linux_init_module(void); } 129 AUE_NULL STD { int linux_delete_module(void); } 130 AUE_NULL STD { int linux_get_kernel_syms(void); } 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_ulong 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 l_sched_param *param); } 155 AUE_SCHED_GETPARAM STD { int linux_sched_getparam(l_pid_t pid, \ struct l_sched_param *param); } 156 AUE_SCHED_SETSCHEDULER STD { int linux_sched_setscheduler( \ l_pid_t pid, l_int policy, \ struct l_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 STD { int linux_query_module(void); } 168 AUE_POLL NOPROTO { int poll(struct pollfd *fds, \ unsigned int nfds, int timeout); } 169 AUE_NULL STD { int linux_nfsservctl(void); } 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(void); } 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_osigset_t *mask); } ; linux 2.6.22: 320 AUE_NULL STD { int linux_utimensat(void); } 321 AUE_NULL STD { int linux_signalfd(void); } 322 AUE_NULL STD { int linux_timerfd_create(void); } 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(void); } 326 AUE_NULL STD { int linux_timerfd_gettime(void); } ; 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(void); } 334 AUE_NULL STD { int linux_pwritev(void); } ; linux 2.6.31: 335 AUE_NULL STD { int linux_rt_tsigqueueinfo(void); } 336 AUE_NULL STD { int linux_perf_event_open(void); } ; linux 2.6.33: 337 AUE_NULL STD { int linux_recvmmsg(void); } 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); } ; later: 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_NULL STD { int linux_syncfs(void); } 345 AUE_NULL STD { int linux_sendmmsg(void); } 346 AUE_NULL STD { int linux_setns(void); } 347 AUE_NULL STD { int linux_process_vm_readv(void); } 348 AUE_NULL STD { int linux_process_vm_writev(void); } +; please, keep this line at the end. +349 AUE_NULL UNIMPL nosys Index: head/sys/i386/linux/linux_sysvec.c =================================================================== --- head/sys/i386/linux/linux_sysvec.c (revision 283466) +++ head/sys/i386/linux/linux_sysvec.c (revision 283467) @@ -1,1225 +1,1226 @@ /*- * 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"); #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, -95, -16, -74, -72, -67, -71 }; int bsd_to_linux_signal[LINUX_SIGTBLSZ] = { LINUX_SIGHUP, LINUX_SIGINT, LINUX_SIGQUIT, LINUX_SIGILL, LINUX_SIGTRAP, LINUX_SIGABRT, 0, LINUX_SIGFPE, LINUX_SIGKILL, LINUX_SIGBUS, LINUX_SIGSEGV, LINUX_SIGSYS, LINUX_SIGPIPE, LINUX_SIGALRM, LINUX_SIGTERM, LINUX_SIGURG, LINUX_SIGSTOP, LINUX_SIGTSTP, LINUX_SIGCONT, LINUX_SIGCHLD, LINUX_SIGTTIN, LINUX_SIGTTOU, LINUX_SIGIO, LINUX_SIGXCPU, LINUX_SIGXFSZ, LINUX_SIGVTALRM, LINUX_SIGPROF, LINUX_SIGWINCH, 0, LINUX_SIGUSR1, LINUX_SIGUSR2 }; int linux_to_bsd_signal[LINUX_SIGTBLSZ] = { SIGHUP, SIGINT, SIGQUIT, SIGILL, SIGTRAP, SIGABRT, SIGBUS, SIGFPE, SIGKILL, SIGUSR1, SIGSEGV, SIGUSR2, SIGPIPE, SIGALRM, SIGTERM, SIGBUS, SIGCHLD, SIGCONT, SIGSTOP, SIGTSTP, SIGTTIN, SIGTTOU, SIGURG, SIGXCPU, SIGXFSZ, SIGVTALRM, SIGPROF, SIGWINCH, SIGIO, SIGURG, SIGSYS }; #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; KASSERT(curthread->td_proc == imgp->proc, ("unsafe elf_linux_fixup(), should be curproc")); p = imgp->proc; 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, 0); 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; 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 *)(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.__bits[0]; 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, i; 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 *)(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.__bits[0]; 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); for (i = 0; i < (LINUX_NSIG_WORDS-1); i++) frame.sf_extramask[i] = lmask.__bits[i+1]; 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, i; 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.__bits[0] = frame.sf_sc.sc_mask; for (i = 0; i < (LINUX_NSIG_WORDS-1); i++) lmask.__bits[i+1] = frame.sf_extramask[i]; 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 syscall_args *sa) { struct proc *p; struct trapframe *frame; p = td->td_proc; frame = td->td_frame; 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) - sa->callp = &p->p_sysent->sv_table[0]; + /* nosys */ + sa->callp = &p->p_sysent->sv_table[LINUX_SYS_MAXSYSCALL]; 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_sigsize = LINUX_SIGTBLSZ, .sv_sigtbl = bsd_to_linux_signal, .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_prepsyscall = NULL, .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, }; INIT_SYSENTVEC(aout_sysvec, &linux_sysvec); struct sysentvec elf_linux_sysvec = { .sv_size = LINUX_SYS_MAXSYSCALL, .sv_table = linux_sysent, .sv_mask = 0, .sv_sigsize = LINUX_SIGTBLSZ, .sv_sigtbl = bsd_to_linux_signal, .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_prepsyscall = NULL, .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, }; static void linux_vdso_install(void *param) { 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, LINUX_SHAREDPAGE); 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 }; Elf32_Brandinfo *linux_brandlist[] = { &linux_brand, &linux_glibc2brand, 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); Index: head/sys/i386/linux/syscalls.master =================================================================== --- head/sys/i386/linux/syscalls.master (revision 283466) +++ head/sys/i386/linux/syscalls.master (revision 283467) @@ -1,585 +1,587 @@ $FreeBSD$ ; @(#)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, OBSOL, 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/OBSOL, name continues with comments ; types: ; STD always included ; OBSOL obsolete, not included in system, only specifies name ; UNIMPL not implemented, placeholder only #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 STD { int linux_create_module(void); } 128 AUE_NULL STD { int linux_init_module(void); } 129 AUE_NULL STD { int linux_delete_module(void); } 130 AUE_NULL STD { int linux_get_kernel_syms(void); } 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_ulong 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 l_sched_param *param); } 155 AUE_SCHED_GETPARAM STD { int linux_sched_getparam(l_pid_t pid, \ struct l_sched_param *param); } 156 AUE_SCHED_SETSCHEDULER STD { int linux_sched_setscheduler( \ l_pid_t pid, l_int policy, \ struct l_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 STD { int linux_query_module(void); } 168 AUE_POLL NOPROTO { int poll(struct pollfd* fds, \ unsigned int nfds, long timeout); } 169 AUE_NULL STD { int linux_nfsservctl(void); } 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(void); } 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_osigset_t *mask); } ; linux 2.6.22: 320 AUE_NULL STD { int linux_utimensat(void); } 321 AUE_NULL STD { int linux_signalfd(void); } 322 AUE_NULL STD { int linux_timerfd_create(void); } 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(void); } 326 AUE_NULL STD { int linux_timerfd_gettime(void); } ; 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(void); } 334 AUE_NULL STD { int linux_pwritev(void); } ; linux 2.6.31: 335 AUE_NULL STD { int linux_rt_tsigqueueinfo(void); } 336 AUE_NULL STD { int linux_perf_event_open(void); } ; linux 2.6.33: 337 AUE_NULL STD { int linux_recvmmsg(void); } 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); } ; later: 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_NULL STD { int linux_syncfs(void); } 345 AUE_NULL STD { int linux_sendmmsg(void); } 346 AUE_NULL STD { int linux_setns(void); } 347 AUE_NULL STD { int linux_process_vm_readv(void); } 348 AUE_NULL STD { int linux_process_vm_writev(void); } +; please, keep this line at the end. +349 AUE_NULL UNIMPL nosys