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 "sanitizer_common/sanitizer_errno.h"
  17 #include "tsan_interceptors.h"
  18 #include "tsan_stack_trace.h"
  19
  20 using 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