blob: a5db22994e0ab5b93c830b0bf40b90e0fcb08cdc [file] [log] [blame]
//===-- ----------------------------------------------===//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// This file is shared between various sanitizers' runtime libraries and
// implements Solaris-specific functions.
#include "sanitizer_platform.h"
#include <stdio.h>
#include "sanitizer_common.h"
#include "sanitizer_flags.h"
#include "sanitizer_internal_defs.h"
#include "sanitizer_libc.h"
#include "sanitizer_placement_new.h"
#include "sanitizer_platform_limits_posix.h"
#include "sanitizer_procmaps.h"
#include <fcntl.h>
#include <pthread.h>
#include <sched.h>
#include <thread.h>
#include <synch.h>
#include <signal.h>
#include <sys/mman.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
namespace __sanitizer {
//#include ""
#define _REAL(func) _ ## func
#define DECLARE__REAL(ret_type, func, ...) \
extern "C" ret_type _REAL(func)(__VA_ARGS__)
#define DECLARE__REAL_AND_INTERNAL(ret_type, func, ...) \
DECLARE__REAL(ret_type, func, __VA_ARGS__); \
ret_type internal_ ## func(__VA_ARGS__)
// ---------------------- sanitizer_libc.h
DECLARE__REAL_AND_INTERNAL(uptr, mmap, void *addr, uptr /*size_t*/ length,
int prot, int flags, int fd, OFF_T offset) {
return (uptr)_REAL(mmap)(addr, length, prot, flags, fd, offset);
DECLARE__REAL_AND_INTERNAL(uptr, munmap, void *addr, uptr length) {
return _REAL(munmap)(addr, length);
DECLARE__REAL_AND_INTERNAL(int, mprotect, void *addr, uptr length, int prot) {
return _REAL(mprotect)(addr, length, prot);
DECLARE__REAL_AND_INTERNAL(uptr, close, fd_t fd) {
return _REAL(close)(fd);
extern "C" int _REAL(open)(const char *, int, ...);
uptr internal_open(const char *filename, int flags) {
return _REAL(open)(filename, flags);
uptr internal_open(const char *filename, int flags, u32 mode) {
return _REAL(open)(filename, flags, mode);
uptr OpenFile(const char *filename, bool write) {
return internal_open(filename,
write ? O_WRONLY | O_CREAT : O_RDONLY, 0660);
DECLARE__REAL_AND_INTERNAL(uptr, read, fd_t fd, void *buf, uptr count) {
return _REAL(read)(fd, buf, count);
DECLARE__REAL_AND_INTERNAL(uptr, write, fd_t fd, const void *buf, uptr count) {
return _REAL(write)(fd, buf, count);
// FIXME: There's only _ftruncate64 beginning with Solaris 11.
DECLARE__REAL_AND_INTERNAL(uptr, ftruncate, fd_t fd, uptr size) {
return ftruncate(fd, size);
DECLARE__REAL_AND_INTERNAL(uptr, stat, const char *path, void *buf) {
return _REAL(stat)(path, (struct stat *)buf);
DECLARE__REAL_AND_INTERNAL(uptr, lstat, const char *path, void *buf) {
return _REAL(lstat)(path, (struct stat *)buf);
DECLARE__REAL_AND_INTERNAL(uptr, fstat, fd_t fd, void *buf) {
return _REAL(fstat)(fd, (struct stat *)buf);
uptr internal_filesize(fd_t fd) {
struct stat st;
if (internal_fstat(fd, &st))
return -1;
return (uptr)st.st_size;
DECLARE__REAL_AND_INTERNAL(uptr, dup2, int oldfd, int newfd) {
return _REAL(dup2)(oldfd, newfd);
DECLARE__REAL_AND_INTERNAL(uptr, readlink, const char *path, char *buf,
uptr bufsize) {
return _REAL(readlink)(path, buf, bufsize);
DECLARE__REAL_AND_INTERNAL(uptr, unlink, const char *path) {
return _REAL(unlink)(path);
DECLARE__REAL_AND_INTERNAL(uptr, rename, const char *oldpath,
const char *newpath) {
return _REAL(rename)(oldpath, newpath);
DECLARE__REAL_AND_INTERNAL(uptr, sched_yield, void) {
return sched_yield();
DECLARE__REAL_AND_INTERNAL(void, _exit, int exitcode) {
DECLARE__REAL_AND_INTERNAL(uptr, execve, const char *filename,
char *const argv[], char *const envp[]) {
return _REAL(execve)(filename, argv, envp);
DECLARE__REAL_AND_INTERNAL(uptr, waitpid, int pid, int *status, int options) {
return _REAL(waitpid)(pid, status, options);
DECLARE__REAL_AND_INTERNAL(uptr, getpid, void) {
return _REAL(getpid)();
// FIXME: This might be wrong: _getdents doesn't take a struct linux_dirent *.
DECLARE__REAL_AND_INTERNAL(uptr, getdents, fd_t fd, struct linux_dirent *dirp,
unsigned int count) {
return _REAL(getdents)(fd, dirp, count);
DECLARE__REAL_AND_INTERNAL(uptr, lseek, fd_t fd, OFF_T offset, int whence) {
return _REAL(lseek)(fd, offset, whence);
// FIXME: This might be wrong: _sigfillset doesn't take a
// __sanitizer_sigset_t *.
DECLARE__REAL_AND_INTERNAL(void, sigfillset, __sanitizer_sigset_t *set) {
// FIXME: This might be wrong: _sigprocmask doesn't take __sanitizer_sigset_t *.
DECLARE__REAL_AND_INTERNAL(uptr, sigprocmask, int how,
__sanitizer_sigset_t *set,
__sanitizer_sigset_t *oldset) {
return _REAL(sigprocmask)(how, set, oldset);
DECLARE__REAL_AND_INTERNAL(int, fork, void) {
// TODO(glider): this may call user's pthread_atfork() handlers which is bad.
return _REAL(fork)();
u64 NanoTime() {
return gethrtime();
uptr internal_clock_gettime(__sanitizer_clockid_t clk_id, void *tp) {
// FIXME: No internal variant.
return clock_gettime(clk_id, (timespec *)tp);
// ----------------- sanitizer_common.h
BlockingMutex::BlockingMutex() {
CHECK(sizeof(mutex_t) <= sizeof(opaque_storage_));
internal_memset(this, 0, sizeof(*this));
CHECK_EQ(mutex_init((mutex_t *)&opaque_storage_, USYNC_THREAD, NULL), 0);
void BlockingMutex::Lock() {
CHECK(sizeof(mutex_t) <= sizeof(opaque_storage_));
CHECK_NE(owner_, (uptr)thr_self());
CHECK_EQ(mutex_lock((mutex_t *)&opaque_storage_), 0);
owner_ = (uptr)thr_self();
void BlockingMutex::Unlock() {
CHECK(owner_ == (uptr)thr_self());
owner_ = 0;
CHECK_EQ(mutex_unlock((mutex_t *)&opaque_storage_), 0);
void BlockingMutex::CheckLocked() {
CHECK_EQ((uptr)thr_self(), owner_);
} // namespace __sanitizer