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
22using 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_FREE_SIZED(ptr, size) COMMON_MALLOC_FREE(ptr)
77# define COMMON_MALLOC_FREE_ALIGNED_SIZED(ptr, alignment, size) \
78 COMMON_MALLOC_FREE(ptr)
79# define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr);
80# define COMMON_MALLOC_FILL_STATS(zone, stats)
81# define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
82 (void)zone_name; \
83 Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", \
84 ptr);
85# define COMMON_MALLOC_NAMESPACE __tsan
86# define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 0
87# define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 0
88
89# include "sanitizer_common/sanitizer_malloc_mac.inc"
90
91#endif
92