92 lines · cpp
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-exception6//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_APPLE16 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 __tsan86# define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 087# define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 088 89# include "sanitizer_common/sanitizer_malloc_mac.inc"90 91#endif92