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