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 #include "tsan_mman.h" 21 22 using 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_SIZE(ptr) uptr size = user_alloc_usable_size(ptr); 77 #define COMMON_MALLOC_FILL_STATS(zone, stats) 78 #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \ 79 (void)zone_name; \ 80 Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr); 81 #define COMMON_MALLOC_NAMESPACE __tsan 82 #define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 0 83 #define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 0 84 85 #include "sanitizer_common/sanitizer_malloc_mac.inc" 86 87 #endif 88