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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===--------- Definition of the SanitizerCoverage class --------*- C++ -*-===// |
| 2 | // |
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| 3 | // The LLVM Compiler Infrastructure |
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| 4 | // |
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| 5 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 6 | // See https://llvm.org/LICENSE.txt for license information. |
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| 7 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 8 | // |
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| 9 | //===----------------------------------------------------------------------===// |
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| 10 | // |
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| 11 | // SanitizerCoverage is a simple code coverage implementation. |
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| 12 | // |
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| 13 | //===----------------------------------------------------------------------===// |
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| 14 | |||
| 15 | #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_SANITIZERCOVERAGE_H |
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| 16 | #define LLVM_TRANSFORMS_INSTRUMENTATION_SANITIZERCOVERAGE_H |
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| 17 | |||
| 18 | #include "llvm/IR/PassManager.h" |
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| 19 | #include "llvm/Support/SpecialCaseList.h" |
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| 20 | #include "llvm/Support/VirtualFileSystem.h" |
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| 21 | #include "llvm/Transforms/Instrumentation.h" |
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| 22 | |||
| 23 | namespace llvm { |
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| 24 | class Module; |
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| 25 | |||
| 26 | /// This is the ModuleSanitizerCoverage pass used in the new pass manager. The |
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| 27 | /// pass instruments functions for coverage, adds initialization calls to the |
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| 28 | /// module for trace PC guards and 8bit counters if they are requested, and |
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| 29 | /// appends globals to llvm.compiler.used. |
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| 30 | class SanitizerCoveragePass : public PassInfoMixin<SanitizerCoveragePass> { |
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| 31 | public: |
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| 32 | explicit SanitizerCoveragePass( |
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| 33 | SanitizerCoverageOptions Options = SanitizerCoverageOptions(), |
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| 34 | const std::vector<std::string> &AllowlistFiles = |
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| 35 | std::vector<std::string>(), |
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| 36 | const std::vector<std::string> &BlocklistFiles = |
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| 37 | std::vector<std::string>()) |
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| 38 | : Options(Options) { |
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| 39 | if (AllowlistFiles.size() > 0) |
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| 40 | Allowlist = SpecialCaseList::createOrDie(AllowlistFiles, |
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| 41 | *vfs::getRealFileSystem()); |
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| 42 | if (BlocklistFiles.size() > 0) |
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| 43 | Blocklist = SpecialCaseList::createOrDie(BlocklistFiles, |
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| 44 | *vfs::getRealFileSystem()); |
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| 45 | } |
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| 46 | PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); |
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| 47 | static bool isRequired() { return true; } |
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| 48 | |||
| 49 | private: |
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| 50 | SanitizerCoverageOptions Options; |
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| 51 | |||
| 52 | std::unique_ptr<SpecialCaseList> Allowlist; |
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| 53 | std::unique_ptr<SpecialCaseList> Blocklist; |
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| 54 | }; |
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| 55 | |||
| 56 | } // namespace llvm |
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| 57 | |||
| 58 | #endif |