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
23using 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_NAMESPACE __asan
58
59#include "sanitizer_common/sanitizer_malloc_mac.inc"
60
61#endif
62