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#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===--------- Definition of the HWAddressSanitizer class -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the Hardware AddressSanitizer class which is a port of the
// legacy HWAddressSanitizer pass to use the new PassManager infrastructure.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_HWADDRESSSANITIZERPASS_H
#define LLVM_TRANSFORMS_INSTRUMENTATION_HWADDRESSSANITIZERPASS_H
#include "llvm/IR/Function.h"
#include "llvm/IR/PassManager.h"
namespace llvm {
/// This is a public interface to the hardware address sanitizer pass for
/// instrumenting code to check for various memory errors at runtime, similar to
/// AddressSanitizer but based on partial hardware assistance.
class HWAddressSanitizerPass : public PassInfoMixin<HWAddressSanitizerPass> {
public:
explicit HWAddressSanitizerPass(bool CompileKernel = false,
bool Recover = false);
PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM);
static bool isRequired() { return true; }
private:
bool CompileKernel;
bool Recover;
};
FunctionPass *createHWAddressSanitizerLegacyPassPass(bool CompileKernel = false,
bool Recover = false);
namespace HWASanAccessInfo {
// Bit field positions for the accessinfo parameter to
// llvm.hwasan.check.memaccess. Shared between the pass and the backend. Bits
// 0-15 are also used by the runtime.
enum {
AccessSizeShift = 0, // 4 bits
IsWriteShift = 4,
RecoverShift = 5,
MatchAllShift = 16, // 8 bits
HasMatchAllShift = 24,
CompileKernelShift = 25,
};
enum { RuntimeMask = 0xffff };
} // namespace HWASanAccessInfo
} // namespace llvm
#endif
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
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