compiler-rt/lib/tsan/rtl/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 #include "tsan_mman.h"
  21
  22 using namespace __tsan;
  23 #define COMMON_MALLOC_ZONE_NAME "tsan"
  24 #define COMMON_MALLOC_ENTER()
  25 #define COMMON_MALLOC_SANITIZER_INITIALIZED (cur_thread()->is_inited)
  26 #define COMMON_MALLOC_FORCE_LOCK()
  27 #define COMMON_MALLOC_FORCE_UNLOCK()
  28 #define COMMON_MALLOC_MEMALIGN(alignment, size) \
  29   void *p =                                     \
  30       user_memalign(cur_thread(), StackTrace::GetCurrentPc(), alignment, size)
  31 #define COMMON_MALLOC_MALLOC(size)                             \
  32   if (in_symbolizer()) return InternalAlloc(size);             \
  33   void *p = 0;                                                 \
  34   {                                                            \
  35     SCOPED_INTERCEPTOR_RAW(malloc, size);                      \
  36     p = user_alloc(thr, pc, size);                             \
  37   }                                                            \
  38   invoke_malloc_hook(p, size)
  39 #define COMMON_MALLOC_REALLOC(ptr, size)                              \
  40   if (in_symbolizer()) return InternalRealloc(ptr, size);             \
  41   if (ptr)                                                            \
  42     invoke_free_hook(ptr);                                            \
  43   void *p = 0;                                                        \
  44   {                                                                   \
  45     SCOPED_INTERCEPTOR_RAW(realloc, ptr, size);                       \
  46     p = user_realloc(thr, pc, ptr, size);                             \
  47   }                                                                   \
  48   invoke_malloc_hook(p, size)
  49 #define COMMON_MALLOC_CALLOC(count, size)                              \
  50   if (in_symbolizer()) return InternalCalloc(count, size);             \
  51   void *p = 0;                                                         \
  52   {                                                                    \
  53     SCOPED_INTERCEPTOR_RAW(calloc, size, count);                       \
  54     p = user_calloc(thr, pc, size, count);                             \
  55   }                                                                    \
  56   invoke_malloc_hook(p, size * count)
  57 #define COMMON_MALLOC_POSIX_MEMALIGN(memptr, alignment, size)      \
  58   if (in_symbolizer()) {                                           \
  59     void *p = InternalAlloc(size, nullptr, alignment);             \
  60     if (!p) return errno_ENOMEM;                                   \
  61     *memptr = p;                                                   \
  62     return 0;                                                      \
  63   }                                                                \
  64   SCOPED_INTERCEPTOR_RAW(posix_memalign, memptr, alignment, size); \
  65   int res = user_posix_memalign(thr, pc, memptr, alignment, size);
  66 #define COMMON_MALLOC_VALLOC(size)                            \
  67   if (in_symbolizer())                                        \
  68     return InternalAlloc(size, nullptr, GetPageSizeCached()); \
  69   SCOPED_INTERCEPTOR_RAW(valloc, size);                       \
  70   void *p = user_valloc(thr, pc, size)
  71 #define COMMON_MALLOC_FREE(ptr)                              \
  72   if (in_symbolizer()) return InternalFree(ptr);             \
  73   invoke_free_hook(ptr);                                     \
  74   SCOPED_INTERCEPTOR_RAW(free, ptr);                         \
  75   user_free(thr, pc, ptr)
  76 #define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr);
  77 #define COMMON_MALLOC_FILL_STATS(zone, stats)
  78 #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
  79   (void)zone_name; \
  80   Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr);
  81 #define COMMON_MALLOC_NAMESPACE __tsan
  82 #define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 0
  83 #define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 0
  84
  85 #include "sanitizer_common/sanitizer_malloc_mac.inc"
  86
  87 #endif