asan_stack.cc revision ed20ebe35c64b8c7043447f6a48b0e5adc89aded 
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_flags.h"
16#include "asan_stack.h"
17#include "sanitizer_common/sanitizer_flags.h"
18
19namespace __asan {
20
21static bool MaybeCallAsanSymbolize(const void *pc, char *out_buffer,
22                                   int out_size) {
23  return (&__asan_symbolize) ? __asan_symbolize(pc, out_buffer, out_size)
24                             : false;
25}
26
27void PrintStack(StackTrace *stack) {
28  stack->PrintStack(stack->trace, stack->size, common_flags()->symbolize,
29                    common_flags()->strip_path_prefix, MaybeCallAsanSymbolize);
30}
31
32}  // namespace __asan
33
34// ------------------ Interface -------------- {{{1
35
36// Provide default implementation of __asan_symbolize that does nothing
37// and may be overriden by user if he wants to use his own symbolization.
38// ASan on Windows has its own implementation of this.
39#if !SANITIZER_WINDOWS && !SANITIZER_SUPPORTS_WEAK_HOOKS
40SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE NOINLINE
41bool __asan_symbolize(const void *pc, char *out_buffer, int out_size) {
42  return false;
43}
44#endif
45