1//===-- tsan_malloc_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 malloc interception.
11//===----------------------------------------------------------------------===//
12
13#include "sanitizer_common/sanitizer_platform.h"
14#if SANITIZER_MAC
15
16#include "sanitizer_common/sanitizer_errno.h"
17#include "tsan_interceptors.h"
18#include "tsan_stack_trace.h"
19
20using namespace __tsan;
21#define COMMON_MALLOC_ZONE_NAME "tsan"
22#define COMMON_MALLOC_ENTER()
23#define COMMON_MALLOC_SANITIZER_INITIALIZED (cur_thread()->is_inited)
24#define COMMON_MALLOC_FORCE_LOCK()
25#define COMMON_MALLOC_FORCE_UNLOCK()
26#define COMMON_MALLOC_MEMALIGN(alignment, size) \
27  void *p =                                     \
28      user_memalign(cur_thread(), StackTrace::GetCurrentPc(), alignment, size)
29#define COMMON_MALLOC_MALLOC(size)                             \
30  if (cur_thread()->in_symbolizer) return InternalAlloc(size); \
31  SCOPED_INTERCEPTOR_RAW(malloc, size);                        \
32  void *p = user_alloc(thr, pc, size)
33#define COMMON_MALLOC_REALLOC(ptr, size)                              \
34  if (cur_thread()->in_symbolizer) return InternalRealloc(ptr, size); \
35  SCOPED_INTERCEPTOR_RAW(realloc, ptr, size);                         \
36  void *p = user_realloc(thr, pc, ptr, size)
37#define COMMON_MALLOC_CALLOC(count, size)                              \
38  if (cur_thread()->in_symbolizer) return InternalCalloc(count, size); \
39  SCOPED_INTERCEPTOR_RAW(calloc, size, count);                         \
40  void *p = user_calloc(thr, pc, size, count)
41#define COMMON_MALLOC_POSIX_MEMALIGN(memptr, alignment, size)      \
42  if (cur_thread()->in_symbolizer) {                               \
43    void *p = InternalAlloc(size, nullptr, alignment);             \
44    if (!p) return errno_ENOMEM;                                   \
45    *memptr = p;                                                   \
46    return 0;                                                      \
47  }                                                                \
48  SCOPED_INTERCEPTOR_RAW(posix_memalign, memptr, alignment, size); \
49  int res = user_posix_memalign(thr, pc, memptr, alignment, size);
50#define COMMON_MALLOC_VALLOC(size)                            \
51  if (cur_thread()->in_symbolizer)                            \
52    return InternalAlloc(size, nullptr, GetPageSizeCached()); \
53  SCOPED_INTERCEPTOR_RAW(valloc, size);                       \
54  void *p = user_valloc(thr, pc, size)
55#define COMMON_MALLOC_FREE(ptr)                              \
56  if (cur_thread()->in_symbolizer) return InternalFree(ptr); \
57  SCOPED_INTERCEPTOR_RAW(free, ptr);                         \
58  user_free(thr, pc, ptr)
59#define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr);
60#define COMMON_MALLOC_FILL_STATS(zone, stats)
61#define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
62  (void)zone_name; \
63  Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr);
64#define COMMON_MALLOC_NAMESPACE __tsan
65
66#include "sanitizer_common/sanitizer_malloc_mac.inc"
67
68#endif
69