diff options
Diffstat (limited to 'compiler-rt/lib/ubsan/ubsan_init.cpp')
-rw-r--r-- | compiler-rt/lib/ubsan/ubsan_init.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/compiler-rt/lib/ubsan/ubsan_init.cpp b/compiler-rt/lib/ubsan/ubsan_init.cpp new file mode 100644 index 000000000000..1a3b7d372674 --- /dev/null +++ b/compiler-rt/lib/ubsan/ubsan_init.cpp @@ -0,0 +1,64 @@ +//===-- 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 |