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 "sanitizer_common/sanitizer_errno.h" 19#include "tsan_interceptors.h" 20#include "tsan_stack_trace.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 (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; \ 47 *memptr = p; \ 48 return 0; \ 49 } \ 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) \ 64 (void)zone_name; \ 65 Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr); 66#define COMMON_MALLOC_NAMESPACE __tsan 67 68#include "sanitizer_common/sanitizer_malloc_mac.inc" 69 70#endif 71