src/compiler-rt/lib/asan/asan_malloc_mac.cc

   1 //===-- asan_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 AddressSanitizer, an address sanity checker.
  11 //
  12 // Mac-specific malloc interception.
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "sanitizer_common/sanitizer_platform.h"
  16 #if SANITIZER_MAC
  17
  18 #include "asan_interceptors.h"
  19 #include "asan_report.h"
  20 #include "asan_stack.h"
  21 #include "asan_stats.h"
  22
  23 using namespace __asan;
  24 #define COMMON_MALLOC_ZONE_NAME "asan"
  25 #define COMMON_MALLOC_ENTER() ENSURE_ASAN_INITED()
  26 #define COMMON_MALLOC_SANITIZER_INITIALIZED asan_inited
  27 #define COMMON_MALLOC_FORCE_LOCK() asan_mz_force_lock()
  28 #define COMMON_MALLOC_FORCE_UNLOCK() asan_mz_force_unlock()
  29 #define COMMON_MALLOC_MEMALIGN(alignment, size) \
  30   GET_STACK_TRACE_MALLOC; \
  31   void *p = asan_memalign(alignment, size, &stack, FROM_MALLOC)
  32 #define COMMON_MALLOC_MALLOC(size) \
  33   GET_STACK_TRACE_MALLOC; \
  34   void *p = asan_malloc(size, &stack)
  35 #define COMMON_MALLOC_REALLOC(ptr, size) \
  36   GET_STACK_TRACE_MALLOC; \
  37   void *p = asan_realloc(ptr, size, &stack);
  38 #define COMMON_MALLOC_CALLOC(count, size) \
  39   GET_STACK_TRACE_MALLOC; \
  40   void *p = asan_calloc(count, size, &stack);
  41 #define COMMON_MALLOC_VALLOC(size) \
  42   GET_STACK_TRACE_MALLOC; \
  43   void *p = asan_memalign(GetPageSizeCached(), size, &stack, FROM_MALLOC);
  44 #define COMMON_MALLOC_FREE(ptr) \
  45   GET_STACK_TRACE_FREE; \
  46   asan_free(ptr, &stack, FROM_MALLOC);
  47 #define COMMON_MALLOC_SIZE(ptr) \
  48   uptr size = asan_mz_size(ptr);
  49 #define COMMON_MALLOC_FILL_STATS(zone, stats) \
  50   AsanMallocStats malloc_stats; \
  51   FillMallocStatistics(&malloc_stats); \
  52   CHECK(sizeof(malloc_statistics_t) == sizeof(AsanMallocStats)); \
  53   internal_memcpy(stats, &malloc_stats, sizeof(malloc_statistics_t));
  54 #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
  55   GET_STACK_TRACE_FREE; \
  56   ReportMacMzReallocUnknown((uptr)ptr, (uptr)zone_ptr, zone_name, &stack);
  57 #define COMMON_MALLOC_IGNORE_INVALID_FREE flags()->mac_ignore_invalid_free
  58 #define COMMON_MALLOC_REPORT_FREE_UNALLOCATED(ptr, zone_ptr, zone_name) \
  59   GET_STACK_TRACE_FREE; \
  60   WarnMacFreeUnallocated((uptr)ptr, (uptr)zone_ptr, zone_name, &stack);
  61 #define COMMON_MALLOC_NAMESPACE __asan
  62
  63 #include "sanitizer_common/sanitizer_malloc_mac.inc"
  64
  65 #endif