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-exception 6 // 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_APPLE 16 17 #include "sanitizer_common/sanitizer_errno.h" 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_memalign(cur_thread(), StackTrace::GetCurrentPc(), alignment, size) 30 #define COMMON_MALLOC_MALLOC(size) \ 31 if (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 (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 (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_POSIX_MEMALIGN(memptr, alignment, size) \ 43 if (in_symbolizer()) { \ 44 void *p = InternalAlloc(size, nullptr, alignment); \ 45 if (!p) return errno_ENOMEM; \ 46 *memptr = p; \ 47 return 0; \ 48 } \ 49 SCOPED_INTERCEPTOR_RAW(posix_memalign, memptr, alignment, size); \ 50 int res = user_posix_memalign(thr, pc, memptr, alignment, size); 51 #define COMMON_MALLOC_VALLOC(size) \ 52 if (in_symbolizer()) \ 53 return InternalAlloc(size, nullptr, GetPageSizeCached()); \ 54 SCOPED_INTERCEPTOR_RAW(valloc, size); \ 55 void *p = user_valloc(thr, pc, size) 56 #define COMMON_MALLOC_FREE(ptr) \ 57 if (in_symbolizer()) return InternalFree(ptr); \ 58 SCOPED_INTERCEPTOR_RAW(free, ptr); \ 59 user_free(thr, pc, ptr) 60 #define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr); 61 #define COMMON_MALLOC_FILL_STATS(zone, stats) 62 #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \ 63 (void)zone_name; \ 64 Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr); 65 #define COMMON_MALLOC_NAMESPACE __tsan 66 #define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 0 67 #define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 0 68 69 #include "sanitizer_common/sanitizer_malloc_mac.inc" 70 71 #endif 72