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1 //===-- tsan_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 ThreadSanitizer (TSan), a race detector.
11 //
12 // Mac-specific malloc interception.
13 //===----------------------------------------------------------------------===//
14 
15 #include "sanitizer_common/sanitizer_platform.h"
16 #if SANITIZER_MAC
17 
18 #include "tsan_interceptors.h"
19 #include "tsan_stack_trace.h"
20 
21 using namespace __tsan;
22 #define COMMON_MALLOC_ZONE_NAME "tsan"
23 #define COMMON_MALLOC_ENTER()
24 #define COMMON_MALLOC_SANITIZER_INITIALIZED (cur_thread()->is_inited)
25 #define COMMON_MALLOC_FORCE_LOCK()
26 #define COMMON_MALLOC_FORCE_UNLOCK()
27 #define COMMON_MALLOC_MEMALIGN(alignment, size) \
28   void *p =                                     \
29       user_alloc(cur_thread(), StackTrace::GetCurrentPc(), size, alignment)
30 #define COMMON_MALLOC_MALLOC(size)                             \
31   if (cur_thread()->in_symbolizer) return InternalAlloc(size); \
32   SCOPED_INTERCEPTOR_RAW(malloc, size);                        \
33   void *p = user_alloc(thr, pc, size)
34 #define COMMON_MALLOC_REALLOC(ptr, size)                              \
35   if (cur_thread()->in_symbolizer) return InternalRealloc(ptr, size); \
36   SCOPED_INTERCEPTOR_RAW(realloc, ptr, size);                         \
37   void *p = user_realloc(thr, pc, ptr, size)
38 #define COMMON_MALLOC_CALLOC(count, size)                              \
39   if (cur_thread()->in_symbolizer) return InternalCalloc(count, size); \
40   SCOPED_INTERCEPTOR_RAW(calloc, size, count);                         \
41   void *p = user_calloc(thr, pc, size, count)
42 #define COMMON_MALLOC_VALLOC(size)                            \
43   if (cur_thread()->in_symbolizer)                            \
44     return InternalAlloc(size, nullptr, GetPageSizeCached()); \
45   SCOPED_INTERCEPTOR_RAW(valloc, size);                       \
46   void *p = user_alloc(thr, pc, size, GetPageSizeCached())
47 #define COMMON_MALLOC_FREE(ptr)                              \
48   if (cur_thread()->in_symbolizer) return InternalFree(ptr); \
49   SCOPED_INTERCEPTOR_RAW(free, ptr);                         \
50   user_free(thr, pc, ptr)
51 #define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr);
52 #define COMMON_MALLOC_FILL_STATS(zone, stats)
53 #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
54   (void)zone_name; \
55   Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr);
56 #define COMMON_MALLOC_NAMESPACE __tsan
57 
58 #include "sanitizer_common/sanitizer_malloc_mac.inc"
59 
60 #endif
61