| //===--------- Definition of the AddressSanitizer class ---------*- C++ -*-===// |
| // |
| // 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 AddressSanitizer class which is a port of the legacy |
| // AddressSanitizer pass to use the new PassManager infrastructure. |
| // |
| //===----------------------------------------------------------------------===// |
| #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZER_H |
| #define LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZER_H |
| |
| #include "llvm/IR/PassManager.h" |
| #include "llvm/Transforms/Instrumentation/AddressSanitizerOptions.h" |
| |
| namespace llvm { |
| class Module; |
| class raw_ostream; |
| |
| struct AddressSanitizerOptions { |
| bool CompileKernel = false; |
| bool Recover = false; |
| bool UseAfterScope = false; |
| AsanDetectStackUseAfterReturnMode UseAfterReturn = |
| AsanDetectStackUseAfterReturnMode::Runtime; |
| }; |
| |
| /// Public interface to the address sanitizer module pass for instrumenting code |
| /// to check for various memory errors. |
| /// |
| /// This adds 'asan.module_ctor' to 'llvm.global_ctors'. This pass may also |
| /// run intependently of the function address sanitizer. |
| class AddressSanitizerPass : public PassInfoMixin<AddressSanitizerPass> { |
| public: |
| AddressSanitizerPass(const AddressSanitizerOptions &Options, |
| bool UseGlobalGC = true, bool UseOdrIndicator = true, |
| AsanDtorKind DestructorKind = AsanDtorKind::Global, |
| AsanCtorKind ConstructorKind = AsanCtorKind::Global); |
| PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); |
| void printPipeline(raw_ostream &OS, |
| function_ref<StringRef(StringRef)> MapClassName2PassName); |
| static bool isRequired() { return true; } |
| |
| private: |
| AddressSanitizerOptions Options; |
| bool UseGlobalGC; |
| bool UseOdrIndicator; |
| AsanDtorKind DestructorKind; |
| AsanCtorKind ConstructorKind; |
| }; |
| |
| struct ASanAccessInfo { |
| const int32_t Packed; |
| const uint8_t AccessSizeIndex; |
| const bool IsWrite; |
| const bool CompileKernel; |
| |
| explicit ASanAccessInfo(int32_t Packed); |
| ASanAccessInfo(bool IsWrite, bool CompileKernel, uint8_t AccessSizeIndex); |
| }; |
| |
| } // namespace llvm |
| |
| #endif |