1/*-
 2 * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
 3 * All rights reserved.
 4 *
 5 * Portions of this software were developed by SRI International and the
 6 * University of Cambridge Computer Laboratory under DARPA/AFRL contract
 7 * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
 8 *
 9 * Portions of this software were developed by the University of Cambridge
10 * Computer Laboratory as part of the CTSRD Project, with support from the
11 * UK Higher Education Innovation Fund (HEIF).
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#ifndef _MACHINE_UCONTEXT_H_
36#define	_MACHINE_UCONTEXT_H_
37
38struct gpregs {
39	__register_t	gp_ra;
40	__register_t	gp_sp;
41	__register_t	gp_gp;
42	__register_t	gp_tp;
43	__register_t	gp_t[7];
44	__register_t	gp_s[12];
45	__register_t	gp_a[8];
46	__register_t	gp_sepc;
47	__register_t	gp_sstatus;
48};
49
50struct fpregs {
51	__uint64_t	fp_x[32][2];
52	__uint64_t	fp_fcsr;
53	int		fp_flags;
54	int		pad;
55};
56
57struct __mcontext {
58	struct gpregs	mc_gpregs;
59	struct fpregs	mc_fpregs;
60	int		mc_flags;
61#define	_MC_FP_VALID	0x1		/* Set when mc_fpregs has valid data */
62	int		mc_pad;
63	__uint64_t	mc_spare[8];	/* Space for expansion */
64};
65
66typedef struct __mcontext mcontext_t;
67
68#endif	/* !_MACHINE_UCONTEXT_H_ */