1 //===-- sanitizer_symbolizer_libcdep.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 shared between AddressSanitizer and ThreadSanitizer 11 // run-time libraries. 12 //===----------------------------------------------------------------------===// 13 14 #include "sanitizer_internal_defs.h" 15 #include "sanitizer_symbolizer.h" 16 17 namespace __sanitizer { 18 19 Symbolizer *Symbolizer::CreateAndStore(const char *path_to_external) { 20 Symbolizer *platform_symbolizer = PlatformInit(path_to_external); 21 if (!platform_symbolizer) 22 return Disable(); 23 symbolizer_ = platform_symbolizer; 24 return platform_symbolizer; 25 } 26 27 Symbolizer *Symbolizer::Init(const char *path_to_external) { 28 CHECK_EQ(0, symbolizer_); 29 return CreateAndStore(path_to_external); 30 } 31 32 Symbolizer *Symbolizer::GetOrInit() { 33 SpinMutexLock l(&init_mu_); 34 if (symbolizer_ == 0) 35 return CreateAndStore(0); 36 return symbolizer_; 37 } 38 39 } // namespace __sanitizer 40
