1/* $NetBSD: frame.h,v 1.5 2002/10/19 00:10:54 bjh21 Exp $ */
2
3/*-
4 * SPDX-License-Identifier: BSD-4-Clause
5 *
6 * Copyright (c) 1994-1997 Mark Brinicombe.
7 * Copyright (c) 1994 Brini.
8 * All rights reserved.
9 *
10 * This code is derived from software written for Brini by Mark Brinicombe
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by Brini.
23 * 4. The name of the company nor the name of the author may be used to
24 * endorse or promote products derived from this software without specific
25 * prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
28 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
29 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
30 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
31 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
32 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
33 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 * RiscBSD kernel project
40 *
41 * frame.h
42 *
43 * Stack frames structures
44 *
45 * Created : 30/09/94
46 *
47 */
48
49#ifndef _MACHINE_FRAME_H_
50#define _MACHINE_FRAME_H_
51
52#ifndef _LOCORE
53
54#include <sys/signal.h>
55#include <sys/ucontext.h>
56
57/*
58 * Trap frame. Pushed onto the kernel stack on a trap (synchronous exception).
59 */
60
61struct trapframe {
62 register_t tf_spsr;
63 register_t tf_r0;
64 register_t tf_r1;
65 register_t tf_r2;
66 register_t tf_r3;
67 register_t tf_r4;
68 register_t tf_r5;
69 register_t tf_r6;
70 register_t tf_r7;
71 register_t tf_r8;
72 register_t tf_r9;
73 register_t tf_r10;
74 register_t tf_r11;
75 register_t tf_r12;
76 register_t tf_usr_sp;
77 register_t tf_usr_lr;
78 register_t tf_svc_sp;
79 register_t tf_svc_lr;
80 register_t tf_pc;
81 register_t tf_pad;
82};
83
84/* Register numbers */
85#define tf_r13 tf_usr_sp
86#define tf_r14 tf_usr_lr
87#define tf_r15 tf_pc
88
89/*
90 * Signal frame. Pushed onto user stack before calling sigcode.
91 * The pointers are used in the trampoline code to locate the ucontext.
92 */
93struct sigframe {
94 siginfo_t sf_si; /* actual saved siginfo */
95 ucontext_t sf_uc; /* actual saved ucontext */
96 mcontext_vfp_t sf_vfp; /* actual saved VFP context */
97};
98
99/*
100 * Switch frame.
101 *
102 * It is important this is a multiple of 8 bytes so the stack is correctly
103 * aligned when we create new threads.
104 */
105struct switchframe
106{
107 register_t sf_r4;
108 register_t sf_r5;
109 register_t sf_r6;
110 register_t sf_r7;
111 register_t sf_r8;
112 register_t sf_r9;
113 register_t sf_r10;
114 register_t sf_r11;
115 register_t sf_r12;
116 register_t sf_sp;
117 register_t sf_lr;
118 register_t sf_pc;
119 register_t sf_tpidrurw;
120 register_t sf_spare0;
121};
122
123/*
124 * Stack frame. Used during stack traces (db_trace.c)
125 */
126struct frame {
127 u_int fr_fp;
128 u_int fr_sp;
129 u_int fr_lr;
130 u_int fr_pc;
131};
132
133#endif /* !_LOCORE */
134
135#endif /* _MACHINE_FRAME_H_ */