1 //===-- tsan_malloc_mac.cc ------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file is a part of ThreadSanitizer (TSan), a race detector.
12 // Mac-specific malloc interception.
13 //===----------------------------------------------------------------------===//
15 #include "sanitizer_common/sanitizer_platform.h"
18 #include "sanitizer_common/sanitizer_errno.h"
19 #include "tsan_interceptors.h"
20 #include "tsan_stack_trace.h"
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) \
30 user_memalign(cur_thread(), StackTrace::GetCurrentPc(), alignment, size)
31 #define COMMON_MALLOC_MALLOC(size) \
32 if (cur_thread()->in_symbolizer) return InternalAlloc(size); \
33 SCOPED_INTERCEPTOR_RAW(malloc, size); \
34 void *p = user_alloc(thr, pc, size)
35 #define COMMON_MALLOC_REALLOC(ptr, size) \
36 if (cur_thread()->in_symbolizer) return InternalRealloc(ptr, size); \
37 SCOPED_INTERCEPTOR_RAW(realloc, ptr, size); \
38 void *p = user_realloc(thr, pc, ptr, size)
39 #define COMMON_MALLOC_CALLOC(count, size) \
40 if (cur_thread()->in_symbolizer) return InternalCalloc(count, size); \
41 SCOPED_INTERCEPTOR_RAW(calloc, size, count); \
42 void *p = user_calloc(thr, pc, size, count)
43 #define COMMON_MALLOC_POSIX_MEMALIGN(memptr, alignment, size) \
44 if (cur_thread()->in_symbolizer) { \
45 void *p = InternalAlloc(size, nullptr, alignment); \
46 if (!p) return errno_ENOMEM; \
50 SCOPED_INTERCEPTOR_RAW(posix_memalign, memptr, alignment, size); \
51 int res = user_posix_memalign(thr, pc, memptr, alignment, size);
52 #define COMMON_MALLOC_VALLOC(size) \
53 if (cur_thread()->in_symbolizer) \
54 return InternalAlloc(size, nullptr, GetPageSizeCached()); \
55 SCOPED_INTERCEPTOR_RAW(valloc, size); \
56 void *p = user_valloc(thr, pc, size)
57 #define COMMON_MALLOC_FREE(ptr) \
58 if (cur_thread()->in_symbolizer) return InternalFree(ptr); \
59 SCOPED_INTERCEPTOR_RAW(free, ptr); \
60 user_free(thr, pc, ptr)
61 #define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr);
62 #define COMMON_MALLOC_FILL_STATS(zone, stats)
63 #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
65 Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr);
66 #define COMMON_MALLOC_NAMESPACE __tsan
68 #include "sanitizer_common/sanitizer_malloc_mac.inc"