1//===-- tsan_malloc_mac.cc ------------------------------------------------===// 2// 3// This file is distributed under the University of Illinois Open Source 4// License. See LICENSE.TXT for details. 5// 6//===----------------------------------------------------------------------===// 7// 8// This file is a part of ThreadSanitizer (TSan), a race detector. 9// 10// Mac-specific malloc interception. 11//===----------------------------------------------------------------------===// 12 13#include "sanitizer_common/sanitizer_platform.h" 14#if SANITIZER_MAC 15 16#include "sanitizer_common/sanitizer_errno.h" 17#include "tsan_interceptors.h" 18#include "tsan_stack_trace.h" 19 20using namespace __tsan; 21#define COMMON_MALLOC_ZONE_NAME "tsan" 22#define COMMON_MALLOC_ENTER() 23#define COMMON_MALLOC_SANITIZER_INITIALIZED (cur_thread()->is_inited) 24#define COMMON_MALLOC_FORCE_LOCK() 25#define COMMON_MALLOC_FORCE_UNLOCK() 26#define COMMON_MALLOC_MEMALIGN(alignment, size) \ 27 void *p = \ 28 user_memalign(cur_thread(), StackTrace::GetCurrentPc(), alignment, size) 29#define COMMON_MALLOC_MALLOC(size) \ 30 if (cur_thread()->in_symbolizer) return InternalAlloc(size); \ 31 SCOPED_INTERCEPTOR_RAW(malloc, size); \ 32 void *p = user_alloc(thr, pc, size) 33#define COMMON_MALLOC_REALLOC(ptr, size) \ 34 if (cur_thread()->in_symbolizer) return InternalRealloc(ptr, size); \ 35 SCOPED_INTERCEPTOR_RAW(realloc, ptr, size); \ 36 void *p = user_realloc(thr, pc, ptr, size) 37#define COMMON_MALLOC_CALLOC(count, size) \ 38 if (cur_thread()->in_symbolizer) return InternalCalloc(count, size); \ 39 SCOPED_INTERCEPTOR_RAW(calloc, size, count); \ 40 void *p = user_calloc(thr, pc, size, count) 41#define COMMON_MALLOC_POSIX_MEMALIGN(memptr, alignment, size) \ 42 if (cur_thread()->in_symbolizer) { \ 43 void *p = InternalAlloc(size, nullptr, alignment); \ 44 if (!p) return errno_ENOMEM; \ 45 *memptr = p; \ 46 return 0; \ 47 } \ 48 SCOPED_INTERCEPTOR_RAW(posix_memalign, memptr, alignment, size); \ 49 int res = user_posix_memalign(thr, pc, memptr, alignment, size); 50#define COMMON_MALLOC_VALLOC(size) \ 51 if (cur_thread()->in_symbolizer) \ 52 return InternalAlloc(size, nullptr, GetPageSizeCached()); \ 53 SCOPED_INTERCEPTOR_RAW(valloc, size); \ 54 void *p = user_valloc(thr, pc, size) 55#define COMMON_MALLOC_FREE(ptr) \ 56 if (cur_thread()->in_symbolizer) return InternalFree(ptr); \ 57 SCOPED_INTERCEPTOR_RAW(free, ptr); \ 58 user_free(thr, pc, ptr) 59#define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr); 60#define COMMON_MALLOC_FILL_STATS(zone, stats) 61#define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \ 62 (void)zone_name; \ 63 Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr); 64#define COMMON_MALLOC_NAMESPACE __tsan 65 66#include "sanitizer_common/sanitizer_malloc_mac.inc" 67 68#endif 69