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 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 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 41 bool __asan_symbolize(const void *pc, char *out_buffer, int out_size) { 42 return false; 43 } 44 #endif 45
