Debugger.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef DEBUGGER_H
#define DEBUGGER_H

#include "pedigree/kernel/processor/InterruptHandler.h"
#include "pedigree/kernel/processor/state_forward.h"
#include "pedigree/kernel/processor/types.h"
#include "pedigree/kernel/utilities/StaticString.h"

#define ASSERT_FAILED_SENTINEL \
    0xa55e4710  // A cack-handed way of writing "assertio(n)".

#ifdef DEBUGGER

class Debugger : public InterruptHandler
{
  public:
    inline static Debugger &instance()
    {
        return m_Instance;
    }

    void initialise();

    void start(InterruptState &state, LargeStaticString &description);

    virtual void interrupt(size_t interruptNumber, InterruptState &state);

    InterruptState *m_pTempState;

  private:
    Debugger();
    Debugger(const Debugger &);
    Debugger &operator=(const Debugger &);
    ~Debugger();

    int m_nIoType;

    static Debugger m_Instance;
};

#endif

#endif