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