libsanitizer/tsan/tsan_malloc_mac.cc

   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 "tsan_interceptors.h"
  17 #include "tsan_stack_trace.h"
  18
  19 using namespace __tsan;
  20 #define COMMON_MALLOC_ZONE_NAME "tsan"
  21 #define COMMON_MALLOC_ENTER()
  22 #define COMMON_MALLOC_SANITIZER_INITIALIZED (cur_thread()->is_inited)
  23 #define COMMON_MALLOC_FORCE_LOCK()
  24 #define COMMON_MALLOC_FORCE_UNLOCK()
  25 #define COMMON_MALLOC_MEMALIGN(alignment, size) \
  26   void *p =                                     \
  27       user_memalign(cur_thread(), StackTrace::GetCurrentPc(), alignment, size)
  28 #define COMMON_MALLOC_MALLOC(size)                             \
  29   if (cur_thread()->in_symbolizer) return InternalAlloc(size); \
  30   SCOPED_INTERCEPTOR_RAW(malloc, size);                        \
  31   void *p = user_alloc(thr, pc, size)
  32 #define COMMON_MALLOC_REALLOC(ptr, size)                              \
  33   if (cur_thread()->in_symbolizer) return InternalRealloc(ptr, size); \
  34   SCOPED_INTERCEPTOR_RAW(realloc, ptr, size);                         \
  35   void *p = user_realloc(thr, pc, ptr, size)
  36 #define COMMON_MALLOC_CALLOC(count, size)                              \
  37   if (cur_thread()->in_symbolizer) return InternalCalloc(count, size); \
  38   SCOPED_INTERCEPTOR_RAW(calloc, size, count);                         \
  39   void *p = user_calloc(thr, pc, size, count)
  40 #define COMMON_MALLOC_VALLOC(size)                            \
  41   if (cur_thread()->in_symbolizer)                            \
  42     return InternalAlloc(size, nullptr, GetPageSizeCached()); \
  43   SCOPED_INTERCEPTOR_RAW(valloc, size);                       \
  44   void *p = user_valloc(thr, pc, size)
  45 #define COMMON_MALLOC_FREE(ptr)                              \
  46   if (cur_thread()->in_symbolizer) return InternalFree(ptr); \
  47   SCOPED_INTERCEPTOR_RAW(free, ptr);                         \
  48   user_free(thr, pc, ptr)
  49 #define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr);
  50 #define COMMON_MALLOC_FILL_STATS(zone, stats)
  51 #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
  52   (void)zone_name; \
  53   Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr);
  54 #define COMMON_MALLOC_NAMESPACE __tsan
  55
  56 #include "sanitizer_common/sanitizer_malloc_mac.inc"
  57
  58 #endif