Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===--------- 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 common infrastructure for AddressSanitizer and

// HWAddressSanitizer.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZERCOMMON_H

#define LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZERCOMMON_H

#include "llvm/Analysis/CFG.h"

#include "llvm/Analysis/PostDominators.h"

#include "llvm/IR/Dominators.h"

#include "llvm/IR/Instruction.h"

#include "llvm/IR/IntrinsicInst.h"

#include "llvm/IR/Module.h"

namespace llvm {

class InterestingMemoryOperand {

public:

  Use *PtrUse;

  bool IsWrite;

  Type *OpType;

  uint64_t TypeSize;

  MaybeAlign Alignment;

  // The mask Value, if we're looking at a masked load/store.

  Value *MaybeMask;

  InterestingMemoryOperand(Instruction *I, unsigned OperandNo, bool IsWrite,

                           class Type *OpType, MaybeAlign Alignment,

                           Value *MaybeMask = nullptr)

      : IsWrite(IsWrite), OpType(OpType), Alignment(Alignment),

        MaybeMask(MaybeMask) {

    const DataLayout &DL = I->getModule()->getDataLayout();

    TypeSize = DL.getTypeStoreSizeInBits(OpType);

    PtrUse = &I->getOperandUse(OperandNo);

  }

  Instruction *getInsn() { return cast<Instruction>(PtrUse->getUser()); }

  Value *getPtr() { return PtrUse->get(); }

};

// Get AddressSanitizer parameters.

void getAddressSanitizerParams(const Triple &TargetTriple, int LongSize,

                               bool IsKasan, uint64_t *ShadowBase,

                               int *MappingScale, bool *OrShadowOffset);

} // namespace llvm

#endif