1*ff6d591cSmrg //===-- tsan_malloc_mac.cpp -----------------------------------------------===// 2*ff6d591cSmrg // 3*ff6d591cSmrg // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*ff6d591cSmrg // See https://llvm.org/LICENSE.txt for license information. 5*ff6d591cSmrg // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*ff6d591cSmrg // 7*ff6d591cSmrg //===----------------------------------------------------------------------===// 8*ff6d591cSmrg // 9*ff6d591cSmrg // This file is a part of ThreadSanitizer (TSan), a race detector. 10*ff6d591cSmrg // 11*ff6d591cSmrg // Mac-specific malloc interception. 12*ff6d591cSmrg //===----------------------------------------------------------------------===// 13*ff6d591cSmrg 14*ff6d591cSmrg #include "sanitizer_common/sanitizer_platform.h" 15*ff6d591cSmrg #if SANITIZER_MAC 16*ff6d591cSmrg 17*ff6d591cSmrg #include "sanitizer_common/sanitizer_errno.h" 18*ff6d591cSmrg #include "tsan_interceptors.h" 19*ff6d591cSmrg #include "tsan_stack_trace.h" 20*ff6d591cSmrg 21*ff6d591cSmrg using namespace __tsan; 22*ff6d591cSmrg #define COMMON_MALLOC_ZONE_NAME "tsan" 23*ff6d591cSmrg #define COMMON_MALLOC_ENTER() 24*ff6d591cSmrg #define COMMON_MALLOC_SANITIZER_INITIALIZED (cur_thread()->is_inited) 25*ff6d591cSmrg #define COMMON_MALLOC_FORCE_LOCK() 26*ff6d591cSmrg #define COMMON_MALLOC_FORCE_UNLOCK() 27*ff6d591cSmrg #define COMMON_MALLOC_MEMALIGN(alignment, size) \ 28*ff6d591cSmrg void *p = \ 29*ff6d591cSmrg user_memalign(cur_thread(), StackTrace::GetCurrentPc(), alignment, size) 30*ff6d591cSmrg #define COMMON_MALLOC_MALLOC(size) \ 31*ff6d591cSmrg if (in_symbolizer()) return InternalAlloc(size); \ 32*ff6d591cSmrg SCOPED_INTERCEPTOR_RAW(malloc, size); \ 33*ff6d591cSmrg void *p = user_alloc(thr, pc, size) 34*ff6d591cSmrg #define COMMON_MALLOC_REALLOC(ptr, size) \ 35*ff6d591cSmrg if (in_symbolizer()) return InternalRealloc(ptr, size); \ 36*ff6d591cSmrg SCOPED_INTERCEPTOR_RAW(realloc, ptr, size); \ 37*ff6d591cSmrg void *p = user_realloc(thr, pc, ptr, size) 38*ff6d591cSmrg #define COMMON_MALLOC_CALLOC(count, size) \ 39*ff6d591cSmrg if (in_symbolizer()) return InternalCalloc(count, size); \ 40*ff6d591cSmrg SCOPED_INTERCEPTOR_RAW(calloc, size, count); \ 41*ff6d591cSmrg void *p = user_calloc(thr, pc, size, count) 42*ff6d591cSmrg #define COMMON_MALLOC_POSIX_MEMALIGN(memptr, alignment, size) \ 43*ff6d591cSmrg if (in_symbolizer()) { \ 44*ff6d591cSmrg void *p = InternalAlloc(size, nullptr, alignment); \ 45*ff6d591cSmrg if (!p) return errno_ENOMEM; \ 46*ff6d591cSmrg *memptr = p; \ 47*ff6d591cSmrg return 0; \ 48*ff6d591cSmrg } \ 49*ff6d591cSmrg SCOPED_INTERCEPTOR_RAW(posix_memalign, memptr, alignment, size); \ 50*ff6d591cSmrg int res = user_posix_memalign(thr, pc, memptr, alignment, size); 51*ff6d591cSmrg #define COMMON_MALLOC_VALLOC(size) \ 52*ff6d591cSmrg if (in_symbolizer()) \ 53*ff6d591cSmrg return InternalAlloc(size, nullptr, GetPageSizeCached()); \ 54*ff6d591cSmrg SCOPED_INTERCEPTOR_RAW(valloc, size); \ 55*ff6d591cSmrg void *p = user_valloc(thr, pc, size) 56*ff6d591cSmrg #define COMMON_MALLOC_FREE(ptr) \ 57*ff6d591cSmrg if (in_symbolizer()) return InternalFree(ptr); \ 58*ff6d591cSmrg SCOPED_INTERCEPTOR_RAW(free, ptr); \ 59*ff6d591cSmrg user_free(thr, pc, ptr) 60*ff6d591cSmrg #define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr); 61*ff6d591cSmrg #define COMMON_MALLOC_FILL_STATS(zone, stats) 62*ff6d591cSmrg #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \ 63*ff6d591cSmrg (void)zone_name; \ 64*ff6d591cSmrg Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr); 65*ff6d591cSmrg #define COMMON_MALLOC_NAMESPACE __tsan 66*ff6d591cSmrg #define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 0 67*ff6d591cSmrg #define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 0 68*ff6d591cSmrg 69*ff6d591cSmrg #include "sanitizer_common/sanitizer_malloc_mac.inc" 70*ff6d591cSmrg 71*ff6d591cSmrg #endif 72