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/* $OpenBSD: proc.h,v 1.4 2005/11/28 22:21:15 miod Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)proc.h 8.1 (Berkeley) 6/11/93
*
* from: Header: proc.h,v 1.6 92/11/26 02:04:41 torek Exp (LBL)
*/
#ifndef __MACHINE_PROC_H__
#define __MACHINE_PROC_H__
struct trapframe;
/*
* Machine-dependent part of the proc structure for mvme88k.
*/
struct mdproc {
struct trapframe *md_tf; /* trap/syscall registers */
volatile int md_astpending; /* AST pending for this process */
/*
* Single stepping is done by moving two breakpoints in the
* process' code:
* - one breakpoint for regular flow (i.e. the immediately following
* instruction)
* - one breakpoint for potential branches.
* Using two breakpoints allows us to not worry about the delay slots.
*/
vaddr_t md_bp0va;
u_int md_bp0save;
vaddr_t md_bp1va;
u_int md_bp1save;
};
#endif /* __MACHINE_PROC_H__ */
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