| //===-- ubsan_init.cpp ----------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Initialization of UBSan runtime. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "ubsan_platform.h" |
| #if CAN_SANITIZE_UB |
| #include "ubsan_diag.h" |
| #include "ubsan_init.h" |
| #include "ubsan_flags.h" |
| #include "sanitizer_common/sanitizer_common.h" |
| #include "sanitizer_common/sanitizer_libc.h" |
| #include "sanitizer_common/sanitizer_mutex.h" |
| #include "sanitizer_common/sanitizer_symbolizer.h" |
| |
| using namespace __ubsan; |
| |
| const char *__ubsan::GetSanititizerToolName() { |
| return "UndefinedBehaviorSanitizer"; |
| } |
| |
| static bool ubsan_initialized; |
| static StaticSpinMutex ubsan_init_mu; |
| |
| static void CommonInit() { |
| InitializeSuppressions(); |
| } |
| |
| static void CommonStandaloneInit() { |
| SanitizerToolName = GetSanititizerToolName(); |
| CacheBinaryName(); |
| InitializeFlags(); |
| __sanitizer_set_report_path(common_flags()->log_path); |
| AndroidLogInit(); |
| InitializeCoverage(common_flags()->coverage, common_flags()->coverage_dir); |
| CommonInit(); |
| } |
| |
| void __ubsan::InitAsStandalone() { |
| SpinMutexLock l(&ubsan_init_mu); |
| if (!ubsan_initialized) { |
| CommonStandaloneInit(); |
| ubsan_initialized = true; |
| } |
| } |
| |
| void __ubsan::InitAsStandaloneIfNecessary() { return InitAsStandalone(); } |
| |
| void __ubsan::InitAsPlugin() { |
| SpinMutexLock l(&ubsan_init_mu); |
| if (!ubsan_initialized) { |
| CommonInit(); |
| ubsan_initialized = true; |
| } |
| } |
| |
| #endif // CAN_SANITIZE_UB |