diff options
Diffstat (limited to 'lib/tsan/rtl/tsan_malloc_mac.cpp')
-rw-r--r-- | lib/tsan/rtl/tsan_malloc_mac.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/tsan/rtl/tsan_malloc_mac.cpp b/lib/tsan/rtl/tsan_malloc_mac.cpp new file mode 100644 index 000000000000..0e861bf1f962 --- /dev/null +++ b/lib/tsan/rtl/tsan_malloc_mac.cpp @@ -0,0 +1,71 @@ +//===-- 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_MAC + +#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 |