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_FRAME_H_
36#define	_MACHINE_FRAME_H_
37
38#ifndef LOCORE
39
40#include <sys/signal.h>
41#include <sys/ucontext.h>
42
43/*
44 * NOTE: keep this structure in sync with struct reg and struct mcontext.
45 */
46struct trapframe {
47	uint64_t tf_ra;
48	uint64_t tf_sp;
49	uint64_t tf_gp;
50	uint64_t tf_tp;
51	uint64_t tf_t[7];
52	uint64_t tf_s[12];
53	uint64_t tf_a[8];
54	uint64_t tf_sepc;
55	uint64_t tf_sstatus;
56	uint64_t tf_stval;
57	uint64_t tf_scause;
58};
59
60/*
61 * Signal frame. Pushed onto user stack before calling sigcode.
62 */
63struct sigframe {
64	siginfo_t	sf_si;	/* actual saved siginfo */
65	ucontext_t	sf_uc;	/* actual saved ucontext */
66};
67
68#endif /* !LOCORE */
69
70/* Definitions for syscalls */
71#define	NARGREG		8				/* 8 args in regs */
72
73#endif /* !_MACHINE_FRAME_H_ */