1/*-
2 * SPDX-License-Identifier: BSD-4-Clause
3 *
4 * Copyright (c) 1991 Regents of the University of California.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *      This product includes software developed by the University of
18 *      California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 *      from: @(#)proc.h        7.1 (Berkeley) 5/15/91
36 *	from: FreeBSD: src/sys/i386/include/proc.h,v 1.11 2001/06/29
37 * $FreeBSD$
38 */
39
40#ifndef	_MACHINE_PROC_H_
41#define	_MACHINE_PROC_H_
42
43#include <machine/utrap.h>
44
45struct md_utrap {
46	utrap_entry_t *ut_precise[UT_MAX];	/* must be first */
47	int	ut_refcnt;
48};
49
50struct mdthread {
51	int	md_spinlock_count;	/* (k) */
52	register_t md_saved_cspr;	/* (k) */
53	register_t md_spurflt_addr;     /* (k) Spurious page fault address. */
54	int md_ptrace_instr;
55	int md_ptrace_addr;
56	int md_ptrace_instr_alt;
57	int md_ptrace_addr_alt;
58#if __ARM_ARCH < 6
59	register_t md_tp;
60	void *md_ras_start;
61	void *md_ras_end;
62#endif
63};
64
65struct mdproc {
66	struct	md_utrap *md_utrap;
67	void	*md_sigtramp;
68};
69
70#define	KINFO_PROC_SIZE 816
71
72#define MAXARGS	8
73/*
74 * This holds the syscall state for a single system call.
75 * As some syscall arguments may be 64-bit aligned we need to ensure the
76 * args value is 64-bit aligned. The ABI will then ensure any 64-bit
77 * arguments are already correctly aligned, even if they were passed in
78 * via registers, we just need to make sure we copy them to an aligned
79 * buffer.
80 */
81struct syscall_args {
82	u_int code;
83	struct sysent *callp;
84	register_t args[MAXARGS];
85	int narg;
86	u_int nap;
87} __aligned(8);
88
89#endif /* !_MACHINE_PROC_H_ */
90