1/* $NetBSD: frame.h,v 1.22 2019/02/14 08:18:25 cherry Exp $ */
2
3/*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32/*-
33 * Copyright (c) 1990 The Regents of the University of California.
34 * All rights reserved.
35 *
36 * This code is derived from software contributed to Berkeley by
37 * William Jolitz.
38 *
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
41 * are met:
42 * 1. Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * 2. Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in the
46 * documentation and/or other materials provided with the distribution.
47 * 3. Neither the name of the University nor the names of its contributors
48 * may be used to endorse or promote products derived from this software
49 * without specific prior written permission.
50 *
51 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
54 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
55 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
57 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
59 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61 * SUCH DAMAGE.
62 *
63 * @(#)frame.h 5.2 (Berkeley) 1/18/91
64 */
65
66/*
67 * Adapted for NetBSD/amd64 by fvdl@wasabisystems.com
68 */
69
70#ifndef _AMD64_FRAME_H_
71#define _AMD64_FRAME_H_
72
73#ifdef __x86_64__
74
75#include <sys/signal.h>
76#include <sys/ucontext.h>
77#include <machine/frame_regs.h>
78
79/*
80 * System stack frames.
81 */
82
83/*
84 * Exception/Trap Stack Frame
85 */
86#define tf(reg, REG, idx) uint64_t tf_##reg;
87struct trapframe {
88 _FRAME_REG(tf, tf)
89};
90#undef tf
91
92/*
93 * Interrupt stack frame
94 */
95struct intrframe {
96 uint64_t if_ppl; /* Old interrupt mask level */
97 struct trapframe if_tf;
98};
99
100#ifdef XEN
101/*
102 * Need arch independany way to access IP and CS from intrframe
103 */
104#define _INTRFRAME_CS if_tf.tf_cs
105#define _INTRFRAME_IP if_tf.tf_rip
106#endif
107
108/*
109 * Stack frame inside cpu_switchto()
110 */
111struct switchframe {
112 uint64_t sf_r15;
113 uint64_t sf_r14;
114 uint64_t sf_r13;
115 uint64_t sf_r12;
116 uint64_t sf_rbx;
117 uint64_t sf_rip;
118};
119
120/*
121 * Signal frame
122 */
123struct sigframe_siginfo {
124 uint64_t sf_ra; /* return address for handler */
125 siginfo_t sf_si; /* actual saved siginfo */
126 ucontext_t sf_uc; /* actual saved ucontext */
127};
128
129#ifdef _KERNEL
130struct lwp;
131void buildcontext(struct lwp *, void *, void *);
132#define lwp_trapframe(l) ((l)->l_md.md_regs)
133#endif
134
135#else /* __x86_64__ */
136
137#include <i386/frame.h>
138
139#endif /* __x86_64__ */
140
141#endif /* _AMD64_FRAME_H_ */
142