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Imported Upstream version 1.6.0+dfsg1
[rustc.git] / src / compiler-rt / lib / asan / asan_stack.cc
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1//===-- asan_stack.cc -----------------------------------------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of AddressSanitizer, an address sanity checker.
11//
12// Code for ASan stack trace.
13//===----------------------------------------------------------------------===//
14#include "asan_internal.h"
15#include "asan_stack.h"
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16#include "sanitizer_common/sanitizer_atomic.h"
17
18namespace __asan {
19
20static atomic_uint32_t malloc_context_size;
21
22void SetMallocContextSize(u32 size) {
23 atomic_store(&malloc_context_size, size, memory_order_release);
24}
25
26u32 GetMallocContextSize() {
27 return atomic_load(&malloc_context_size, memory_order_acquire);
28}
29
30} // namespace __asan
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31
32// ------------------ Interface -------------- {{{1
33
34extern "C" {
35SANITIZER_INTERFACE_ATTRIBUTE
36void __sanitizer_print_stack_trace() {
37 using namespace __asan;
38 PRINT_CURRENT_STACK();
39}
40} // extern "C"