1 | //===--------- Definition of the SanitizerCoverage class --------*- C++ -*-===// |
---|---|
2 | // |
3 | // The LLVM Compiler Infrastructure |
4 | // |
5 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
6 | // See https://llvm.org/LICENSE.txt for license information. |
7 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
8 | // |
9 | //===----------------------------------------------------------------------===// |
10 | // |
11 | // SanitizerCoverage is a simple code coverage implementation. |
12 | // |
13 | //===----------------------------------------------------------------------===// |
14 | |
15 | #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_SANITIZERCOVERAGE_H |
16 | #define LLVM_TRANSFORMS_INSTRUMENTATION_SANITIZERCOVERAGE_H |
17 | |
18 | #include "llvm/IR/PassManager.h" |
19 | #include "llvm/Support/SpecialCaseList.h" |
20 | #include "llvm/Support/VirtualFileSystem.h" |
21 | #include "llvm/Transforms/Instrumentation.h" |
22 | |
23 | namespace llvm { |
24 | class Module; |
25 | |
26 | /// This is the ModuleSanitizerCoverage pass used in the new pass manager. The |
27 | /// pass instruments functions for coverage, adds initialization calls to the |
28 | /// module for trace PC guards and 8bit counters if they are requested, and |
29 | /// appends globals to llvm.compiler.used. |
30 | class SanitizerCoveragePass : public PassInfoMixin<SanitizerCoveragePass> { |
31 | public: |
32 | explicit SanitizerCoveragePass( |
33 | SanitizerCoverageOptions Options = SanitizerCoverageOptions(), |
34 | const std::vector<std::string> &AllowlistFiles = |
35 | std::vector<std::string>(), |
36 | const std::vector<std::string> &BlocklistFiles = |
37 | std::vector<std::string>()) |
38 | : Options(Options) { |
39 | if (AllowlistFiles.size() > 0) |
40 | Allowlist = SpecialCaseList::createOrDie(Paths: AllowlistFiles, |
41 | FS&: *vfs::getRealFileSystem()); |
42 | if (BlocklistFiles.size() > 0) |
43 | Blocklist = SpecialCaseList::createOrDie(Paths: BlocklistFiles, |
44 | FS&: *vfs::getRealFileSystem()); |
45 | } |
46 | PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); |
47 | static bool isRequired() { return true; } |
48 | |
49 | private: |
50 | SanitizerCoverageOptions Options; |
51 | |
52 | std::unique_ptr<SpecialCaseList> Allowlist; |
53 | std::unique_ptr<SpecialCaseList> Blocklist; |
54 | }; |
55 | |
56 | } // namespace llvm |
57 | |
58 | #endif |
59 |