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
36struct 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
45struct 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
53struct __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
62typedef struct __mcontext mcontext_t;
63
64#ifdef COMPAT_FREEBSD32
65#include <compat/freebsd32/freebsd32_signal.h>
66typedef struct __mcontext32 {
67	uint32_t		mc_gregset[17];
68	uint32_t		mc_vfp_size;
69	uint32_t		mc_vfp_ptr;
70	uint32_t		mc_spare[33];
71} mcontext32_t;
72
73typedef struct __ucontext32 {
74	sigset_t		uc_sigmask;
75	mcontext32_t		uc_mcontext;
76	u_int32_t		uc_link;
77	struct sigaltstack32	uc_stack;
78	u_int32_t		uc_flags;
79	u_int32_t		__spare__[4];
80} ucontext32_t;
81
82typedef struct __mcontext32_vfp {
83	__uint64_t	mcv_reg[32];
84	__uint32_t	mcv_fpscr;
85} mcontext32_vfp_t;
86
87#endif /* COMPAT_FREEBSD32 */
88
89#endif	/* !_MACHINE_UCONTEXT_H_ */
90