| //===-- tsan_malloc_mac.cpp -----------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file is a part of ThreadSanitizer (TSan), a race detector. |
| // |
| // Mac-specific malloc interception. |
| //===----------------------------------------------------------------------===// |
| |
| #include "sanitizer_common/sanitizer_platform.h" |
| #if SANITIZER_APPLE |
| |
| #include "sanitizer_common/sanitizer_errno.h" |
| #include "tsan_interceptors.h" |
| #include "tsan_stack_trace.h" |
| |
| using namespace __tsan; |
| #define COMMON_MALLOC_ZONE_NAME "tsan" |
| #define COMMON_MALLOC_ENTER() |
| #define COMMON_MALLOC_SANITIZER_INITIALIZED (cur_thread()->is_inited) |
| #define COMMON_MALLOC_FORCE_LOCK() |
| #define COMMON_MALLOC_FORCE_UNLOCK() |
| #define COMMON_MALLOC_MEMALIGN(alignment, size) \ |
| void *p = \ |
| user_memalign(cur_thread(), StackTrace::GetCurrentPc(), alignment, size) |
| #define COMMON_MALLOC_MALLOC(size) \ |
| if (in_symbolizer()) return InternalAlloc(size); \ |
| SCOPED_INTERCEPTOR_RAW(malloc, size); \ |
| void *p = user_alloc(thr, pc, size) |
| #define COMMON_MALLOC_REALLOC(ptr, size) \ |
| if (in_symbolizer()) return InternalRealloc(ptr, size); \ |
| SCOPED_INTERCEPTOR_RAW(realloc, ptr, size); \ |
| void *p = user_realloc(thr, pc, ptr, size) |
| #define COMMON_MALLOC_CALLOC(count, size) \ |
| if (in_symbolizer()) return InternalCalloc(count, size); \ |
| SCOPED_INTERCEPTOR_RAW(calloc, size, count); \ |
| void *p = user_calloc(thr, pc, size, count) |
| #define COMMON_MALLOC_POSIX_MEMALIGN(memptr, alignment, size) \ |
| if (in_symbolizer()) { \ |
| void *p = InternalAlloc(size, nullptr, alignment); \ |
| if (!p) return errno_ENOMEM; \ |
| *memptr = p; \ |
| return 0; \ |
| } \ |
| SCOPED_INTERCEPTOR_RAW(posix_memalign, memptr, alignment, size); \ |
| int res = user_posix_memalign(thr, pc, memptr, alignment, size); |
| #define COMMON_MALLOC_VALLOC(size) \ |
| if (in_symbolizer()) \ |
| return InternalAlloc(size, nullptr, GetPageSizeCached()); \ |
| SCOPED_INTERCEPTOR_RAW(valloc, size); \ |
| void *p = user_valloc(thr, pc, size) |
| #define COMMON_MALLOC_FREE(ptr) \ |
| if (in_symbolizer()) return InternalFree(ptr); \ |
| SCOPED_INTERCEPTOR_RAW(free, ptr); \ |
| user_free(thr, pc, ptr) |
| #define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr); |
| #define COMMON_MALLOC_FILL_STATS(zone, stats) |
| #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \ |
| (void)zone_name; \ |
| Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr); |
| #define COMMON_MALLOC_NAMESPACE __tsan |
| #define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 0 |
| #define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 0 |
| |
| #include "sanitizer_common/sanitizer_malloc_mac.inc" |
| |
| #endif |