Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===-- llvm/MC/MCExternalSymbolizer.h - ------------------------*- 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 contains the declaration of the MCExternalSymbolizer class, which

// enables library users to provide callbacks (through the C API) to do the

// symbolization externally.

//

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

#ifndef LLVM_MC_MCDISASSEMBLER_MCEXTERNALSYMBOLIZER_H

#define LLVM_MC_MCDISASSEMBLER_MCEXTERNALSYMBOLIZER_H

#include "llvm-c/DisassemblerTypes.h"

#include "llvm/MC/MCDisassembler/MCSymbolizer.h"

#include <memory>

namespace llvm {

/// Symbolize using user-provided, C API, callbacks.

///

/// See llvm-c/Disassembler.h.

class MCExternalSymbolizer : public MCSymbolizer {

protected:

  /// \name Hooks for symbolic disassembly via the public 'C' interface.

  /// @{

  /// The function to get the symbolic information for operands.

  LLVMOpInfoCallback GetOpInfo;

  /// The function to lookup a symbol name.

  LLVMSymbolLookupCallback SymbolLookUp;

  /// The pointer to the block of symbolic information for above call back.

  void *DisInfo;

  /// @}

public:

  MCExternalSymbolizer(MCContext &Ctx,

                       std::unique_ptr<MCRelocationInfo> RelInfo,

                       LLVMOpInfoCallback getOpInfo,

                       LLVMSymbolLookupCallback symbolLookUp, void *disInfo)

    : MCSymbolizer(Ctx, std::move(RelInfo)), GetOpInfo(getOpInfo),

      SymbolLookUp(symbolLookUp), DisInfo(disInfo) {}

  bool tryAddingSymbolicOperand(MCInst &MI, raw_ostream &CommentStream,

                                int64_t Value, uint64_t Address, bool IsBranch,

                                uint64_t Offset, uint64_t OpSize,

                                uint64_t InstSize) override;

  void tryAddingPcLoadReferenceComment(raw_ostream &CommentStream,

                                       int64_t Value,

                                       uint64_t Address) override;

};

}

#endif