ucontext.h revision 330897 
1/*	$NetBSD: mcontext.h,v 1.4 2003/10/08 22:43:01 thorpej Exp $	*/
2
3/*-
4 * SPDX-License-Identifier: BSD-2-Clause-NetBSD
5 *
6 * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
7 * All rights reserved.
8 *
9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Klaus Klein and by Jason R. Thorpe of Wasabi Systems, Inc.
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 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 *
33 * $FreeBSD: stable/11/sys/arm/include/ucontext.h 330897 2018-03-14 03:19:51Z eadler $
34 */
35
36#ifndef _MACHINE_MCONTEXT_H_
37#define _MACHINE_MCONTEXT_H_
38/*
39 * General register state
40 */
41#define _NGREG		17
42typedef unsigned int	__greg_t;
43typedef __greg_t	__gregset_t[_NGREG];
44
45#define _REG_R0		0
46#define _REG_R1		1
47#define _REG_R2		2
48#define _REG_R3		3
49#define _REG_R4		4
50#define _REG_R5		5
51#define _REG_R6		6
52#define _REG_R7		7
53#define _REG_R8		8
54#define _REG_R9		9
55#define _REG_R10	10
56#define _REG_R11	11
57#define _REG_R12	12
58#define _REG_R13	13
59#define _REG_R14	14
60#define _REG_R15	15
61#define _REG_CPSR	16
62/* Convenience synonyms */
63#define _REG_FP		_REG_R11
64#define _REG_SP		_REG_R13
65#define _REG_LR		_REG_R14
66#define _REG_PC		_REG_R15
67
68/*
69 * Floating point register state
70 */
71typedef struct {
72	__uint64_t	mcv_reg[32];
73	__uint32_t	mcv_fpscr;
74} mcontext_vfp_t;
75
76typedef struct {
77	__gregset_t	__gregs;
78
79	/*
80	 * Originally, rest of this structure was named __fpu, 35 * 4 bytes
81	 * long, never accessed from kernel.
82	 */
83	__size_t	mc_vfp_size;
84	void 		*mc_vfp_ptr;
85	unsigned int	mc_spare[33];
86} mcontext_t;
87
88#define UC_
89#endif	/* !_MACHINE_MCONTEXT_H_ */
90