ProcedureTransferTracker.hh

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/*
    Copyright (c) 2002-2010 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,
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    Software is furnished to do so, subject to the following conditions:
 
    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.
 
    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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/**
 * @file ProcedureTransferTracker.hh
 *
 * Declaration of ProcedureTransferTracker class.
 *
 * @author Pekka Jääskeläinen 2005,2010
 * @note rating: red
 */
 
#ifndef TTA_PROCEDURE_TRANSFER_TRACKER_HH
#define TTA_PROCEDURE_TRANSFER_TRACKER_HH
 
#include "Listener.hh"
#include "SimulatorConstants.hh"
 
class SimulatorFrontend;
class ExecutionTrace;
 
namespace TTAProgram {
    class Instruction;
}
 
/**
 * Tracks procedure transfers in the simulated program.
 *
 * Stores data of the transfer in trace database.
 */
class ProcedureTransferTracker : public Listener {
public:
    ProcedureTransferTracker(
        SimulatorFrontend& subject, 
        ExecutionTrace& traceDB);
 
    ProcedureTransferTracker(
        SimulatorFrontend& subject);
    virtual ~ProcedureTransferTracker();
 
    virtual void handleEvent();
 
    virtual void addProcedureTransfer(
        ClockCycleCount cycle,
        InstructionAddress address,
        InstructionAddress sourceAddress,
        bool isEntry);
    
private:
    /// the tracked SimulatorFrontend instance
    SimulatorFrontend& subject_;
    /// the trace database to store the trace to
    ExecutionTrace* traceDB_;
    /// the previously executed instruction
    const TTAProgram::Instruction* previousInstruction_;
};
 
#endif