DataInstructionAddressDef.hh

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
    Permission is hereby granted, free of charge, to any person obtaining a
    copy of this software and associated documentation files (the "Software"),
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    the rights to use, copy, modify, merge, publish, distribute, sublicense,
    and/or sell copies of the Software, and to permit persons to whom the
    Software is furnished to do so, subject to the following conditions:
 
    The above copyright notice and this permission notice shall be included in
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    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/**
 * @file DataInstructionAddressDef.hh
 *
 * Declaration of DataInstructionAddressDef class.
 *
 * @author Mikael Lepistö 2006 (mikael.lepisto-no.spam-tut.fi)
 * @note rating: red
 */
 
#ifndef TTA_DATA_INSTRUCTION_ADDRESS_DEF_HH
#define TTA_DATA_INSTRUCTION_ADDRESS_DEF_HH
 
#include "DataDefinition.hh"
#include "InstructionReference.hh"
 
namespace TTAProgram {
    
    class Address;
    class InstructionReference;
 
/**
 * Describes characteristics of a memory area containing 
 * an address to an instruction.
 */
class DataInstructionAddressDef : public DataDefinition {
public:
    DataInstructionAddressDef(
        Address start, int size, InstructionReference& dest,
        bool littleEndian);
 
    virtual ~DataInstructionAddressDef();
    
    virtual bool isInitialized() const;
    virtual bool isAddress() const;
    virtual bool isInstructionAddress() const;
 
    virtual Address destinationAddress() const;
 
    DataDefinition* copy() const;
 
private:
    /// Destination instruction of data area.
    InstructionReference dest_;
};
 
}
 
#endif