1//===-- tsan_malloc_mac.cc ------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of ThreadSanitizer (TSan), a race detector.
11//
12// Mac-specific malloc interception.
13//===----------------------------------------------------------------------===//
14
15#include "sanitizer_common/sanitizer_platform.h"
16#if SANITIZER_MAC
17
18#include "tsan_interceptors.h"
19#include "tsan_stack_trace.h"
20
21using namespace __tsan;
22#define COMMON_MALLOC_ZONE_NAME "tsan"
23#define COMMON_MALLOC_ENTER()
24#define COMMON_MALLOC_SANITIZER_INITIALIZED (cur_thread()->is_inited)
25#define COMMON_MALLOC_FORCE_LOCK()
26#define COMMON_MALLOC_FORCE_UNLOCK()
27#define COMMON_MALLOC_MEMALIGN(alignment, size) \
28  void *p =                                     \
29      user_alloc(cur_thread(), StackTrace::GetCurrentPc(), size, alignment)
30#define COMMON_MALLOC_MALLOC(size)      \
31  if (cur_thread()->in_symbolizer)      \
32    return REAL(malloc)(size);          \
33  SCOPED_INTERCEPTOR_RAW(malloc, size); \
34  void *p = user_alloc(thr, pc, size)
35#define COMMON_MALLOC_REALLOC(ptr, size)      \
36  if (cur_thread()->in_symbolizer)            \
37    return REAL(realloc)(ptr, size);          \
38  SCOPED_INTERCEPTOR_RAW(realloc, ptr, size); \
39  void *p = user_realloc(thr, pc, ptr, size)
40#define COMMON_MALLOC_CALLOC(count, size)      \
41  if (cur_thread()->in_symbolizer)             \
42    return REAL(calloc)(count, size);          \
43  SCOPED_INTERCEPTOR_RAW(calloc, size, count); \
44  void *p = user_calloc(thr, pc, size, count)
45#define COMMON_MALLOC_VALLOC(size)                          \
46  if (cur_thread()->in_symbolizer)                          \
47    return REAL(valloc)(size);                              \
48  SCOPED_INTERCEPTOR_RAW(valloc, size);                     \
49  void *p = user_alloc(thr, pc, size, GetPageSizeCached())
50#define COMMON_MALLOC_FREE(ptr)      \
51  if (cur_thread()->in_symbolizer)   \
52    return REAL(free)(ptr);          \
53  SCOPED_INTERCEPTOR_RAW(free, ptr); \
54  user_free(thr, pc, ptr)
55#define COMMON_MALLOC_SIZE(ptr) \
56  uptr size = user_alloc_usable_size(ptr);
57#define COMMON_MALLOC_FILL_STATS(zone, stats)
58#define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
59  (void)zone_name; \
60  Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr);
61#define COMMON_MALLOC_NAMESPACE __tsan
62
63#include "sanitizer_common/sanitizer_malloc_mac.inc"
64
65#endif
66