xref: /freebsd/sys/arm64/include/ucontext.h (revision 0f7f3352c8bc463607912e2463d13e52d44a4cae)
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  * $FreeBSD$
31  */
32 
33 #ifndef _MACHINE_UCONTEXT_H_
34 #define	_MACHINE_UCONTEXT_H_
35 
36 struct gpregs {
37 	__register_t	gp_x[30];
38 	__register_t	gp_lr;
39 	__register_t	gp_sp;
40 	__register_t	gp_elr;
41 	__uint32_t	gp_spsr;
42 	int		gp_pad;
43 };
44 
45 struct fpregs {
46 	__uint128_t	fp_q[32];
47 	__uint32_t	fp_sr;
48 	__uint32_t	fp_cr;
49 	int		fp_flags;
50 	int		fp_pad;
51 };
52 
53 struct __mcontext {
54 	struct gpregs	mc_gpregs;
55 	struct fpregs	mc_fpregs;
56 	int		mc_flags;
57 #define	_MC_FP_VALID	0x1		/* Set when mc_fpregs has valid data */
58 	int		mc_pad;		/* Padding */
59 	__uint64_t	mc_spare[8];	/* Space for expansion, set to zero */
60 };
61 
62 typedef struct __mcontext mcontext_t;
63 
64 #endif	/* !_MACHINE_UCONTEXT_H_ */
65