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109 lines
3.0 KiB
C++
109 lines
3.0 KiB
C++
//===-- sanitizer_openbsd.cc ----------------------------------------------===//
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is shared between various sanitizers' runtime libraries and
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// implements Solaris-specific functions.
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//===----------------------------------------------------------------------===//
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#include "sanitizer_platform.h"
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#if SANITIZER_OPENBSD
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#include <stdio.h>
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#include "sanitizer_common.h"
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#include "sanitizer_flags.h"
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#include "sanitizer_internal_defs.h"
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#include "sanitizer_libc.h"
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#include "sanitizer_placement_new.h"
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#include "sanitizer_platform_limits_posix.h"
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#include "sanitizer_procmaps.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <pthread.h>
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#include <sched.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/mman.h>
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#include <sys/shm.h>
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#include <sys/sysctl.h>
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#include <sys/types.h>
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#include <unistd.h>
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extern char **environ;
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namespace __sanitizer {
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uptr internal_mmap(void *addr, size_t length, int prot, int flags, int fd,
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u64 offset) {
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return (uptr)mmap(addr, length, prot, flags, fd, offset);
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}
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uptr internal_munmap(void *addr, uptr length) { return munmap(addr, length); }
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int internal_mprotect(void *addr, uptr length, int prot) {
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return mprotect(addr, length, prot);
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}
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int internal_sysctlbyname(const char *sname, void *oldp, uptr *oldlenp,
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const void *newp, uptr newlen) {
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Printf("internal_sysctlbyname not implemented for OpenBSD");
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Die();
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return 0;
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}
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uptr ReadBinaryName(/*out*/char *buf, uptr buf_len) {
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// On OpenBSD we cannot get the full path
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struct kinfo_proc kp;
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uptr kl;
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const int Mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid()};
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if (internal_sysctl(Mib, ARRAY_SIZE(Mib), &kp, &kl, NULL, 0) != -1)
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return internal_snprintf(buf,
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(KI_MAXCOMLEN < buf_len ? KI_MAXCOMLEN : buf_len),
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"%s", kp.p_comm);
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return (uptr)0;
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}
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static void GetArgsAndEnv(char ***argv, char ***envp) {
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uptr nargv;
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uptr nenv;
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int argvmib[4] = {CTL_KERN, KERN_PROC_ARGS, getpid(), KERN_PROC_ARGV};
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int envmib[4] = {CTL_KERN, KERN_PROC_ARGS, getpid(), KERN_PROC_ENV};
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if (internal_sysctl(argvmib, 4, NULL, &nargv, NULL, 0) == -1) {
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Printf("sysctl KERN_PROC_NARGV failed\n");
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Die();
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}
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if (internal_sysctl(envmib, 4, NULL, &nenv, NULL, 0) == -1) {
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Printf("sysctl KERN_PROC_NENV failed\n");
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Die();
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}
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if (internal_sysctl(argvmib, 4, &argv, &nargv, NULL, 0) == -1) {
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Printf("sysctl KERN_PROC_ARGV failed\n");
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Die();
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}
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if (internal_sysctl(envmib, 4, &envp, &nenv, NULL, 0) == -1) {
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Printf("sysctl KERN_PROC_ENV failed\n");
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Die();
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}
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}
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char **GetArgv() {
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char **argv, **envp;
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GetArgsAndEnv(&argv, &envp);
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return argv;
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}
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void ReExec() {
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UNIMPLEMENTED();
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}
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} // namespace __sanitizer
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#endif // SANITIZER_OPENBSD
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