1//===-- tsan_platform_mac.cc ----------------------------------------------===//
2//
3// This file is distributed under the University of Illinois Open Source
4// License. See LICENSE.TXT for details.
5//
6//===----------------------------------------------------------------------===//
7//
8// This file is a part of ThreadSanitizer (TSan), a race detector.
9//
10// Mac-specific code.
11//===----------------------------------------------------------------------===//
12
13#include "sanitizer_common/sanitizer_platform.h"
14#if SANITIZER_MAC
15
16#include "sanitizer_common/sanitizer_common.h"
17#include "sanitizer_common/sanitizer_libc.h"
18#include "sanitizer_common/sanitizer_procmaps.h"
19#include "tsan_platform.h"
20#include "tsan_rtl.h"
21#include "tsan_flags.h"
22
23#include <pthread.h>
24#include <signal.h>
25#include <stdio.h>
26#include <stdlib.h>
27#include <string.h>
28#include <stdarg.h>
29#include <sys/mman.h>
30#include <sys/syscall.h>
31#include <sys/time.h>
32#include <sys/types.h>
33#include <sys/resource.h>
34#include <sys/stat.h>
35#include <unistd.h>
36#include <errno.h>
37#include <sched.h>
38
39namespace __tsan {
40
41uptr GetShadowMemoryConsumption() {
42  return 0;
43}
44
45void FlushShadowMemory() {
46}
47
48void WriteMemoryProfile(char *buf, uptr buf_size, uptr nthread, uptr nlive) {
49}
50
51uptr GetRSS() {
52  return 0;
53}
54
55#ifndef TSAN_GO
56void InitializeShadowMemory() {
57  uptr shadow = (uptr)MmapFixedNoReserve(kShadowBeg,
58    kShadowEnd - kShadowBeg);
59  if (shadow != kShadowBeg) {
60    Printf("FATAL: ThreadSanitizer can not mmap the shadow memory\n");
61    Printf("FATAL: Make sure to compile with -fPIE and "
62           "to link with -pie.\n");
63    Die();
64  }
65  DPrintf("kShadow %zx-%zx (%zuGB)\n",
66      kShadowBeg, kShadowEnd,
67      (kShadowEnd - kShadowBeg) >> 30);
68  DPrintf("kAppMem %zx-%zx (%zuGB)\n",
69      kAppMemBeg, kAppMemEnd,
70      (kAppMemEnd - kAppMemBeg) >> 30);
71}
72#endif
73
74void InitializePlatform() {
75  DisableCoreDumperIfNecessary();
76}
77
78#ifndef TSAN_GO
79int call_pthread_cancel_with_cleanup(int(*fn)(void *c, void *m,
80    void *abstime), void *c, void *m, void *abstime,
81    void(*cleanup)(void *arg), void *arg) {
82  // pthread_cleanup_push/pop are hardcore macros mess.
83  // We can't intercept nor call them w/o including pthread.h.
84  int res;
85  pthread_cleanup_push(cleanup, arg);
86  res = fn(c, m, abstime);
87  pthread_cleanup_pop(0);
88  return res;
89}
90#endif
91
92}  // namespace __tsan
93
94#endif  // SANITIZER_MAC
95