1/*	$OpenBSD: frame.h,v 1.3 1998/09/15 10:50:12 pefo Exp $ */
2
3/*-
4 * Copyright (c) 1998 Per Fogelstrom, Opsycon AB
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *	This product includes software developed under OpenBSD by
17 *	Per Fogelstrom, Opsycon AB, Sweden.
18 * 4. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
22 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 *	JNPR: frame.h,v 1.6.2.1 2007/09/10 08:14:57 girish
34 * $FreeBSD$
35 *
36 */
37#ifndef _MACHINE_FRAME_H_
38#define	_MACHINE_FRAME_H_
39
40struct trapframe {
41	register_t	zero;
42	register_t	ast;
43	register_t	v0;
44	register_t	v1;
45	register_t	a0;
46	register_t	a1;
47	register_t	a2;
48	register_t	a3;
49	register_t	t0;
50	register_t	t1;
51	register_t	t2;
52	register_t	t3;
53	register_t	t4;
54	register_t	t5;
55	register_t	t6;
56	register_t	t7;
57	register_t	s0;
58	register_t	s1;
59	register_t	s2;
60	register_t	s3;
61	register_t	s4;
62	register_t	s5;
63	register_t	s6;
64	register_t	s7;
65	register_t	t8;
66	register_t	t9;
67	register_t	k0;
68	register_t	k1;
69	register_t	gp;
70	register_t	sp;
71	register_t	s8;
72	register_t	ra;
73	register_t	sr;
74	register_t	mullo;
75	register_t	mulhi;
76	register_t	badvaddr;
77	register_t	cause;
78	register_t	pc;
79	/*
80	 * FREEBSD_DEVELOPERS_FIXME:
81	 * Include any other registers which are CPU-Specific and
82	 * need to be part of the frame here.
83	 *
84	 * Also, be sure this matches what is defined in regnum.h
85	 */
86	register_t	ic;	/* RM7k and RM9k specific */
87	register_t	dummy;	/* Alignment for 32-bit case */
88
89/* From here and on, only saved user processes. */
90
91	f_register_t	f0;
92	f_register_t	f1;
93	f_register_t	f2;
94	f_register_t	f3;
95	f_register_t	f4;
96	f_register_t	f5;
97	f_register_t	f6;
98	f_register_t	f7;
99	f_register_t	f8;
100	f_register_t	f9;
101	f_register_t	f10;
102	f_register_t	f11;
103	f_register_t	f12;
104	f_register_t	f13;
105	f_register_t	f14;
106	f_register_t	f15;
107	f_register_t	f16;
108	f_register_t	f17;
109	f_register_t	f18;
110	f_register_t	f19;
111	f_register_t	f20;
112	f_register_t	f21;
113	f_register_t	f22;
114	f_register_t	f23;
115	f_register_t	f24;
116	f_register_t	f25;
117	f_register_t	f26;
118	f_register_t	f27;
119	f_register_t	f28;
120	f_register_t	f29;
121	f_register_t	f30;
122	f_register_t	f31;
123	register_t	fsr;
124        register_t   fdummy;
125	/*
126	 * COP2 registers may need to be saved here based on the CPU, and those
127	 * might need to be per process, or even for the kernel, so we need
128	 * some thought here.
129	 */
130};
131
132/* REVISIT */
133struct	frame *get_current_fp(void);
134#define	get_next_fp(fp)		(0)
135#define	get_return_ptr(fp)	(0)
136void	get_stack_trace(u_int32_t depth, u_int32_t *trace);
137
138#endif	/* !_MACHINE_FRAME_H_ */
139