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