Breakpoint.hh

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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/**
 * @file Breakpoint.hh
 *
 * Declaration of Breakpoint class.
 *
 * @author Atte Oksman 2005 (oksman-no.spam-cs.tut.fi)
 * @author Pekka Jääskeläinen 2005 (pjaaskel-no.spam-cs.tut.fi)
 * @note rating: red
 */
 
#ifndef TTA_BREAKPOINT_HH
#define TTA_BREAKPOINT_HH
 
#include "ConditionScript.hh"
#include "BaseType.hh"
#include "StopPoint.hh"
 
class SimulatorFrontend;
class SimulationEventHandler;
 
/**
 * Represents a breakpoint in simulation. 
 *
 * Breakpoint stops simulation when simulation has reached the user set
 * instruction address and general condition for stopping is true.
 */
class Breakpoint : public StopPoint {
public:
    Breakpoint(SimulatorFrontend& frontend, InstructionAddress address);
    virtual ~Breakpoint();
 
    virtual bool isTriggered() const;
    virtual std::string description() const;
    virtual StopPoint* copy() const;
 
    virtual InstructionAddress address() const;
    virtual void setAddress(InstructionAddress newAddress);
 
private:
    /// Static copying not allowed (should use copy()).
    Breakpoint(const Breakpoint& source);
    /// The address of the breakpoint. A breakpoint is fired when PC equals
    /// this address.
    InstructionAddress address_;
    /// The simulator frontend which is used to fetch the current PC.
    SimulatorFrontend& frontend_;
};
 
#endif