ucontext.h revision 280364 
1/*-
2 * Copyright (c) 2014 Andrew Turner
3 * Copyright (c) 2014-2015 The FreeBSD Foundation
4 * All rights reserved.
5 *
6 * This software was developed by Andrew Turner under
7 * sponsorship from the FreeBSD Foundation.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD: head/sys/arm64/include/ucontext.h 280364 2015-03-23 11:54:56Z andrew $
31 */
32
33#ifndef _MACHINE_UCONTEXT_H_
34#define	_MACHINE_UCONTEXT_H_
35
36struct gpregs {
37	unsigned long long gp_x[30];
38	unsigned long long gp_lr;
39	unsigned long long gp_sp;
40	unsigned long long gp_elr;
41	unsigned long long gp_spsr;
42};
43
44struct fpregs {
45	__uint128_t	fp_q[32];
46	uint32_t	fp_sr;
47	uint32_t	fp_cr;
48	u_int		fp_flags;
49};
50
51struct __mcontext {
52	struct gpregs	mc_gpregs;
53	struct fpregs	mc_fpregs;
54	u_int		mc_flags;
55#define	_MC_FP_VALID	0x1	/* Set when mc_fpregs has valid data */
56};
57
58typedef struct __mcontext mcontext_t;
59
60#endif	/* !_MACHINE_UCONTEXT_H_ */
61