libsanitizer/tsan/tsan_malloc_mac.cpp

   1 //===-- tsan_malloc_mac.cpp -----------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file is a part of ThreadSanitizer (TSan), a race detector.
  10 //
  11 // Mac-specific malloc interception.
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "sanitizer_common/sanitizer_platform.h"
  15 #if SANITIZER_APPLE
  16
  17 #include "sanitizer_common/sanitizer_errno.h"
  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 (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 (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 (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_POSIX_MEMALIGN(memptr, alignment, size)      \
  43   if (in_symbolizer()) {                                           \
  44     void *p = InternalAlloc(size, nullptr, alignment);             \
  45     if (!p) return errno_ENOMEM;                                   \
  46     *memptr = p;                                                   \
  47     return 0;                                                      \
  48   }                                                                \
  49   SCOPED_INTERCEPTOR_RAW(posix_memalign, memptr, alignment, size); \
  50   int res = user_posix_memalign(thr, pc, memptr, alignment, size);
  51 #define COMMON_MALLOC_VALLOC(size)                            \
  52   if (in_symbolizer())                                        \
  53     return InternalAlloc(size, nullptr, GetPageSizeCached()); \
  54   SCOPED_INTERCEPTOR_RAW(valloc, size);                       \
  55   void *p = user_valloc(thr, pc, size)
  56 #define COMMON_MALLOC_FREE(ptr)                              \
  57   if (in_symbolizer()) return InternalFree(ptr);             \
  58   SCOPED_INTERCEPTOR_RAW(free, ptr);                         \
  59   user_free(thr, pc, ptr)
  60 #define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr);
  61 #define COMMON_MALLOC_FILL_STATS(zone, stats)
  62 #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
  63   (void)zone_name; \
  64   Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr);
  65 #define COMMON_MALLOC_NAMESPACE __tsan
  66 #define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 0
  67 #define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 0
  68
  69 #include "sanitizer_common/sanitizer_malloc_mac.inc"
  70
  71 #endif