//===--------- Definition of the SanitizerCoverage class --------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // 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 // //===----------------------------------------------------------------------===// // // This file declares the SanitizerCoverage class which is a port of the legacy // SanitizerCoverage pass to use the new PassManager infrastructure. // //===----------------------------------------------------------------------===// #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_SANITIZERCOVERAGE_H #define LLVM_TRANSFORMS_INSTRUMENTATION_SANITIZERCOVERAGE_H #include "llvm/IR/Module.h" #include "llvm/IR/PassManager.h" #include "llvm/Support/SpecialCaseList.h" #include "llvm/Support/VirtualFileSystem.h" #include "llvm/Transforms/Instrumentation.h" namespace llvm { /// This is the ModuleSanitizerCoverage pass used in the new pass manager. The /// pass instruments functions for coverage, adds initialization calls to the /// module for trace PC guards and 8bit counters if they are requested, and /// appends globals to llvm.compiler.used. class ModuleSanitizerCoveragePass : public PassInfoMixin<ModuleSanitizerCoveragePass> { public: explicit ModuleSanitizerCoveragePass( SanitizerCoverageOptions Options = SanitizerCoverageOptions(), const std::vector<std::string> &AllowlistFiles = std::vector<std::string>(), const std::vector<std::string> &BlocklistFiles = std::vector<std::string>()) : Options(Options) { if (AllowlistFiles.size() > 0) Allowlist = SpecialCaseList::createOrDie(AllowlistFiles, *vfs::getRealFileSystem()); if (BlocklistFiles.size() > 0) Blocklist = SpecialCaseList::createOrDie(BlocklistFiles, *vfs::getRealFileSystem()); } PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); private: SanitizerCoverageOptions Options; std::unique_ptr<SpecialCaseList> Allowlist; std::unique_ptr<SpecialCaseList> Blocklist; }; // Insert SanitizerCoverage instrumentation. ModulePass *createModuleSanitizerCoverageLegacyPassPass( const SanitizerCoverageOptions &Options = SanitizerCoverageOptions(), const std::vector<std::string> &AllowlistFiles = std::vector<std::string>(), const std::vector<std::string> &BlocklistFiles = std::vector<std::string>()); } // namespace llvm #endif |