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//===--------- 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;
int InstrumentationWithCallsThreshold = 7000;
uint32_t MaxInlinePoisoningSize = 64;
bool InsertVersionCheck = true;
};
/// 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
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