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
19 namespace __asan {
20
MaybeCallAsanSymbolize(const void * pc,char * out_buffer,int out_size)21 static 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
PrintStack(StackTrace * stack)27 void 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
40 SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE NOINLINE
__asan_symbolize(const void * pc,char * out_buffer,int out_size)41 bool __asan_symbolize(const void *pc, char *out_buffer, int out_size) {
42 return false;
43 }
44 #endif
45