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/*	$OpenBSD: frame.h,v 1.3 1998/09/15 10:50:12 pefo Exp $ */

/*-
 * Copyright (c) 1998 Per Fogelstrom, Opsycon AB
 *
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed under OpenBSD by
 *	Per Fogelstrom, Opsycon AB, Sweden.
 * 4. 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.
 *
 *	JNPR: frame.h,v 1.6.2.1 2007/09/10 08:14:57 girish
 * $FreeBSD: release/9.1.0/sys/mips/include/frame.h 202175 2010-01-12 21:36:08Z imp $
 *
 */
#ifndef _MACHINE_FRAME_H_
#define	_MACHINE_FRAME_H_

struct trapframe {
	register_t	zero;
	register_t	ast;
	register_t	v0;
	register_t	v1;
	register_t	a0;
	register_t	a1;
	register_t	a2;
	register_t	a3;
	register_t	t0;
	register_t	t1;
	register_t	t2;
	register_t	t3;
	register_t	t4;
	register_t	t5;
	register_t	t6;
	register_t	t7;
	register_t	s0;
	register_t	s1;
	register_t	s2;
	register_t	s3;
	register_t	s4;
	register_t	s5;
	register_t	s6;
	register_t	s7;
	register_t	t8;
	register_t	t9;
	register_t	k0;
	register_t	k1;
	register_t	gp;
	register_t	sp;
	register_t	s8;
	register_t	ra;
	register_t	sr;
	register_t	mullo;
	register_t	mulhi;
	register_t	badvaddr;
	register_t	cause;
	register_t	pc;
	/*
	 * FREEBSD_DEVELOPERS_FIXME:
	 * Include any other registers which are CPU-Specific and
	 * need to be part of the frame here.
	 * 
	 * Also, be sure this matches what is defined in regnum.h
	 */
	register_t	ic;	/* RM7k and RM9k specific */
	register_t	dummy;	/* Alignment for 32-bit case */

/* From here and on, only saved user processes. */

	f_register_t	f0;
	f_register_t	f1;
	f_register_t	f2;
	f_register_t	f3;
	f_register_t	f4;
	f_register_t	f5;
	f_register_t	f6;
	f_register_t	f7;
	f_register_t	f8;
	f_register_t	f9;
	f_register_t	f10;
	f_register_t	f11;
	f_register_t	f12;
	f_register_t	f13;
	f_register_t	f14;
	f_register_t	f15;
	f_register_t	f16;
	f_register_t	f17;
	f_register_t	f18;
	f_register_t	f19;
	f_register_t	f20;
	f_register_t	f21;
	f_register_t	f22;
	f_register_t	f23;
	f_register_t	f24;
	f_register_t	f25;
	f_register_t	f26;
	f_register_t	f27;
	f_register_t	f28;
	f_register_t	f29;
	f_register_t	f30;
	f_register_t	f31;
	register_t	fsr;
        register_t   fdummy;
	/*
	 * COP2 registers may need to be saved here based on the CPU, and those
	 * might need to be per process, or even for the kernel, so we need
	 * some thought here.
	 */
};

/* REVISIT */
struct	frame *get_current_fp(void);
#define	get_next_fp(fp)		(0)
#define	get_return_ptr(fp)	(0)
void	get_stack_trace(u_int32_t depth, u_int32_t *trace);

#endif	/* !_MACHINE_FRAME_H_ */