/*
* Copyright (c) 2005 Ondrej Palkovsky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup kernel_mips32_debug
* @{
*/
/** @file
*/
#ifndef KERN_mips32_DEBUGGER_H_
#define KERN_mips32_DEBUGGER_H_
#include <arch/exception.h>
#include <typedefs.h>
#include <stdbool.h>
#define BKPOINTS_MAX 10
/** Breakpoint was shot */
#define BKPOINT_INPROG (1 << 0)
/** One-time breakpoint, mandatory for j/b instructions */
#define BKPOINT_ONESHOT (1 << 1)
/**
* Breakpoint is set on the next instruction, so that it
* could be reinstalled on the previous one
*/
#define BKPOINT_REINST (1 << 2)
/** Call a predefined function */
#define BKPOINT_FUNCCALL (1 << 3)
typedef struct {
uintptr_t address; /**< Breakpoint address */
sysarg_t instruction; /**< Original instruction */
sysarg_t nextinstruction; /**< Original instruction following break */
unsigned int flags; /**< Flags regarding breakpoint */
size_t counter;
void (*bkfunc)(void *, istate_t *);
} bpinfo_t;
extern bpinfo_t breakpoints[BKPOINTS_MAX];
extern bool is_jump(sysarg_t);
extern void debugger_init(void);
extern void debugger_bpoint(istate_t *);
#endif
/** @}
*/