libsanitizer/asan/asan_stack.cc

   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_flags.h"
  14 #include "asan_stack.h"
  15
  16 namespace __asan {
  17
  18 static bool MaybeCallAsanSymbolize(const void *pc, char *out_buffer,
  19                                    int out_size) {
  20   return (&__asan_symbolize) ? __asan_symbolize(pc, out_buffer, out_size)
  21                              : false;
  22 }
  23
  24 void PrintStack(StackTrace *stack) {
  25   stack->PrintStack(stack->trace, stack->size, flags()->symbolize,
  26                     flags()->strip_path_prefix, MaybeCallAsanSymbolize);
  27 }
  28
  29 }  // namespace __asan
  30
  31 // ------------------ Interface -------------- {{{1
  32
  33 // Provide default implementation of __asan_symbolize that does nothing
  34 // and may be overriden by user if he wants to use his own symbolization.
  35 // ASan on Windows has its own implementation of this.
  36 #if !defined(_WIN32) && !SANITIZER_SUPPORTS_WEAK_HOOKS
  37 SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE NOINLINE
  38 bool __asan_symbolize(const void *pc, char *out_buffer, int out_size) {
  39   return false;
  40 }
  41 #endif