75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
//===- AddressSanitizer.h - AddressSanitizer instrumentation ----*- C++ -*-===//
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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 AddressSanitizer class which is a port of the legacy
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// AddressSanitizer pass to use the new PassManager infrastructure.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZER_H
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#define LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZER_H
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#include "llvm/IR/PassManager.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Transforms/Instrumentation/AddressSanitizerOptions.h"
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namespace llvm {
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class Module;
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class raw_ostream;
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struct AddressSanitizerOptions {
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bool CompileKernel = false;
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bool Recover = false;
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bool UseAfterScope = false;
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AsanDetectStackUseAfterReturnMode UseAfterReturn =
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AsanDetectStackUseAfterReturnMode::Runtime;
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int InstrumentationWithCallsThreshold = 7000;
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uint32_t MaxInlinePoisoningSize = 64;
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bool InsertVersionCheck = true;
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};
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/// Public interface to the address sanitizer module pass for instrumenting code
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/// to check for various memory errors.
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///
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/// This adds 'asan.module_ctor' to 'llvm.global_ctors'. This pass may also
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/// run intependently of the function address sanitizer.
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class AddressSanitizerPass
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: public RequiredPassInfoMixin<AddressSanitizerPass> {
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public:
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LLVM_ABI
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AddressSanitizerPass(const AddressSanitizerOptions &Options,
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bool UseGlobalGC = true, bool UseOdrIndicator = true,
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AsanDtorKind DestructorKind = AsanDtorKind::Global,
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AsanCtorKind ConstructorKind = AsanCtorKind::Global);
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LLVM_ABI PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
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LLVM_ABI void
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printPipeline(raw_ostream &OS,
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function_ref<StringRef(StringRef)> MapClassName2PassName);
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private:
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AddressSanitizerOptions Options;
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bool UseGlobalGC;
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bool UseOdrIndicator;
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AsanDtorKind DestructorKind;
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AsanCtorKind ConstructorKind;
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};
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struct ASanAccessInfo {
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const int32_t Packed;
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const uint8_t AccessSizeIndex;
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const bool IsWrite;
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const bool CompileKernel;
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LLVM_ABI explicit ASanAccessInfo(int32_t Packed);
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LLVM_ABI ASanAccessInfo(bool IsWrite, bool CompileKernel,
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uint8_t AccessSizeIndex);
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};
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} // namespace llvm
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#endif
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