ubsan_init.cc revision 1.4
1//===-- ubsan_init.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// Initialization of UBSan runtime. 9// 10//===----------------------------------------------------------------------===// 11 12#include "ubsan_platform.h" 13#if CAN_SANITIZE_UB 14#include "ubsan_diag.h" 15#include "ubsan_init.h" 16#include "ubsan_flags.h" 17#include "sanitizer_common/sanitizer_common.h" 18#include "sanitizer_common/sanitizer_libc.h" 19#include "sanitizer_common/sanitizer_mutex.h" 20#include "sanitizer_common/sanitizer_symbolizer.h" 21 22using namespace __ubsan; 23 24const char *__ubsan::GetSanititizerToolName() { 25 return "UndefinedBehaviorSanitizer"; 26} 27 28static bool ubsan_initialized; 29static StaticSpinMutex ubsan_init_mu; 30 31static void CommonInit() { 32 InitializeSuppressions(); 33} 34 35static void CommonStandaloneInit() { 36 SanitizerToolName = GetSanititizerToolName(); 37 CacheBinaryName(); 38 InitializeFlags(); 39 __sanitizer_set_report_path(common_flags()->log_path); 40 AndroidLogInit(); 41 InitializeCoverage(common_flags()->coverage, common_flags()->coverage_dir); 42 CommonInit(); 43} 44 45void __ubsan::InitAsStandalone() { 46 SpinMutexLock l(&ubsan_init_mu); 47 if (!ubsan_initialized) { 48 CommonStandaloneInit(); 49 ubsan_initialized = true; 50 } 51} 52 53void __ubsan::InitAsStandaloneIfNecessary() { return InitAsStandalone(); } 54 55void __ubsan::InitAsPlugin() { 56 SpinMutexLock l(&ubsan_init_mu); 57 if (!ubsan_initialized) { 58 CommonInit(); 59 ubsan_initialized = true; 60 } 61} 62 63#endif // CAN_SANITIZE_UB 64