contrib/compiler-rt/lib/tsan/rtl/tsan_malloc_mac.cc

   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
  21 using 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_memalign(cur_thread(), StackTrace::GetCurrentPc(), alignment, size)
  30 #define COMMON_MALLOC_MALLOC(size)                             \
  31   if (cur_thread()->in_symbolizer) return InternalAlloc(size); \
  32   SCOPED_INTERCEPTOR_RAW(malloc, size);                        \
  33   void *p = user_alloc(thr, pc, size)
  34 #define COMMON_MALLOC_REALLOC(ptr, size)                              \
  35   if (cur_thread()->in_symbolizer) return InternalRealloc(ptr, size); \
  36   SCOPED_INTERCEPTOR_RAW(realloc, ptr, size);                         \
  37   void *p = user_realloc(thr, pc, ptr, size)
  38 #define COMMON_MALLOC_CALLOC(count, size)                              \
  39   if (cur_thread()->in_symbolizer) return InternalCalloc(count, size); \
  40   SCOPED_INTERCEPTOR_RAW(calloc, size, count);                         \
  41   void *p = user_calloc(thr, pc, size, count)
  42 #define COMMON_MALLOC_VALLOC(size)                            \
  43   if (cur_thread()->in_symbolizer)                            \
  44     return InternalAlloc(size, nullptr, GetPageSizeCached()); \
  45   SCOPED_INTERCEPTOR_RAW(valloc, size);                       \
  46   void *p = user_valloc(thr, pc, size)
  47 #define COMMON_MALLOC_FREE(ptr)                              \
  48   if (cur_thread()->in_symbolizer) return InternalFree(ptr); \
  49   SCOPED_INTERCEPTOR_RAW(free, ptr);                         \
  50   user_free(thr, pc, ptr)
  51 #define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr);
  52 #define COMMON_MALLOC_FILL_STATS(zone, stats)
  53 #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
  54   (void)zone_name; \
  55   Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr);
  56 #define COMMON_MALLOC_NAMESPACE __tsan
  57
  58 #include "sanitizer_common/sanitizer_malloc_mac.inc"
  59
  60 #endif