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/**
* Copyright (C) ARM Limited 2013-2014. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef DRIVER_H
#define DRIVER_H
#include "mxml/mxml.h"
class Counter;
class Driver {
public:
static Driver *getHead() { return head; }
virtual ~Driver() {}
// Returns true if this driver can manage the counter
virtual bool claimCounter(const Counter &counter) const = 0;
// Clears and disables all counters
virtual void resetCounters() = 0;
// Enables and prepares the counter for capture
virtual void setupCounter(Counter &counter) = 0;
// Emits available counters
virtual int writeCounters(mxml_node_t *root) const = 0;
// Emits possible dynamically generated events/counters
virtual void writeEvents(mxml_node_t *) const {}
Driver *getNext() const { return next; }
protected:
Driver ();
private:
static Driver *head;
Driver *next;
// Intentionally unimplemented
Driver(const Driver &);
Driver &operator=(const Driver &);
};
#endif // DRIVER_H
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