76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
//===-- ubsan_init.cpp ----------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Initialization of UBSan runtime.
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//
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//===----------------------------------------------------------------------===//
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#include "ubsan_platform.h"
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#if CAN_SANITIZE_UB
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#include "ubsan_diag.h"
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#include "ubsan_init.h"
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#include "ubsan_flags.h"
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#include "sanitizer_common/sanitizer_common.h"
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#include "sanitizer_common/sanitizer_libc.h"
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#include "sanitizer_common/sanitizer_mutex.h"
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#include "sanitizer_common/sanitizer_symbolizer.h"
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using namespace __ubsan;
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const char *__ubsan::GetSanititizerToolName() {
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return "UndefinedBehaviorSanitizer";
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}
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static bool ubsan_initialized;
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static StaticSpinMutex ubsan_init_mu;
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static void CommonInit() {
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InitializeSuppressions();
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}
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static void UbsanDie() {
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if (common_flags()->print_module_map >= 1)
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DumpProcessMap();
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}
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static void CommonStandaloneInit() {
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SanitizerToolName = GetSanititizerToolName();
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CacheBinaryName();
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InitializeFlags();
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__sanitizer::InitializePlatformEarly();
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__sanitizer_set_report_path(common_flags()->log_path);
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AndroidLogInit();
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InitializeCoverage(common_flags()->coverage, common_flags()->coverage_dir);
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CommonInit();
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// Only add die callback when running in standalone mode to avoid printing
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// the same information from multiple sanitizers' output
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AddDieCallback(UbsanDie);
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Symbolizer::LateInitialize();
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}
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void __ubsan::InitAsStandalone() {
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SpinMutexLock l(&ubsan_init_mu);
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if (!ubsan_initialized) {
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CommonStandaloneInit();
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ubsan_initialized = true;
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}
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}
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void __ubsan::InitAsStandaloneIfNecessary() { return InitAsStandalone(); }
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void __ubsan::InitAsPlugin() {
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SpinMutexLock l(&ubsan_init_mu);
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if (!ubsan_initialized) {
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CommonInit();
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ubsan_initialized = true;
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}
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}
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#endif // CAN_SANITIZE_UB
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