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614 palkovsky 1
/*
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 * Copyright (C) 2005 Ondrej Palkovsky
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup mips32debug
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 * @{
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 */
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/** @file
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 */
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#ifndef _mips32_DEBUGGER_H_
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#define _mips32_DEBUGGER_H_
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#include <typedefs.h>
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#include <arch/exception.h>
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#include <arch/types.h>
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#define BKPOINTS_MAX 10
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#define BKPOINT_INPROG   (1 << 0)   /**< Breakpoint was shot */
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#define BKPOINT_ONESHOT  (1 << 1)   /**< One-time breakpoint,mandatory for j/b
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                         instructions */
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#define BKPOINT_REINST   (1 << 2)   /**< Breakpoint is set on the next 
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                         instruction, so that it could be
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                     reinstalled on the previous one */
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#define BKPOINT_FUNCCALL (1 << 3)   /**< Call a predefined function */
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typedef struct  {
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    __address address;      /**< Breakpoint address */
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    __native instruction; /**< Original instruction */
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    __native nextinstruction;  /**< Original instruction following break */
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    int flags;        /**< Flags regarding breakpoint */
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    count_t counter;
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    void (*bkfunc)(void *b, istate_t *istate);
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} bpinfo_t;
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extern void debugger_init(void);
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void debugger_bpoint(istate_t *istate);
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extern bpinfo_t breakpoints[BKPOINTS_MAX];
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#endif
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/** @}
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 */