1/*-
2 * Copyright (c) 1994-1996 S��ren Schmidt
3 * Copyright (c) 2018 Turing Robotic Industries Inc.
4 * Copyright (c) 2022 Dmitry Chagin <dchagin@FreeBSD.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#ifndef _ARM64_LINUX_SIGFRAME_H_
29#define	_ARM64_LINUX_SIGFRAME_H_
30
31struct _l_aarch64_ctx {
32	uint32_t	magic;
33	uint32_t	size;
34};
35
36#define	L_FPSIMD_MAGIC	0x46508001
37#define	L_ESR_MAGIC	0x45535201
38
39struct l_fpsimd_context {
40	struct _l_aarch64_ctx head;
41	uint32_t	fpsr;
42	uint32_t	fpcr;
43	__uint128_t	vregs[32];
44};
45
46struct l_esr_context {
47	struct _l_aarch64_ctx head;
48	uint64_t	esr;
49};
50
51struct l_sigcontext {
52	uint64_t	fault_address;
53	uint64_t	regs[31];
54	uint64_t	sp;
55	uint64_t	pc;
56	uint64_t	pstate;
57	uint8_t		__reserved[4096] __attribute__((__aligned__(16)));
58};
59
60struct l_ucontext {
61	unsigned long	uc_flags;
62	struct l_ucontext *uc_link;
63	l_stack_t	uc_stack;
64	l_sigset_t	uc_sigmask;
65	uint8_t		__glibc_hole[1024 / 8 - sizeof(l_sigset_t)];
66	struct l_sigcontext uc_sc;
67};
68
69struct l_rt_sigframe {
70	l_siginfo_t	sf_si;
71	struct l_ucontext sf_uc;
72} __attribute__((__aligned__(16)));
73
74struct l_sigframe {
75	struct l_rt_sigframe sf;
76	/* frame_record */
77	uint64_t	fp;
78	uint64_t	lr;
79};
80
81#define	LINUX_MINSIGSTKSZ	roundup(sizeof(struct l_sigframe), 16)
82
83#endif /* _ARM64_LINUX_SIGFRAME_H_ */
84