1/*-
2 * Copyright (c) 1991 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *      This product includes software developed by the University of
16 *      California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 *      from: @(#)proc.h        7.1 (Berkeley) 5/15/91
34 *	from: FreeBSD: src/sys/i386/include/proc.h,v 1.11 2001/06/29
35 * $FreeBSD: stable/11/sys/arm/include/proc.h 307136 2016-10-12 09:17:41Z ed $
36 */
37
38#ifndef	_MACHINE_PROC_H_
39#define	_MACHINE_PROC_H_
40
41#include <machine/utrap.h>
42
43struct md_utrap {
44	utrap_entry_t *ut_precise[UT_MAX];	/* must be first */
45	int	ut_refcnt;
46};
47
48struct mdthread {
49	int	md_spinlock_count;	/* (k) */
50	register_t md_saved_cspr;	/* (k) */
51	register_t md_spurflt_addr;     /* (k) Spurious page fault address. */
52	int md_ptrace_instr;
53	int md_ptrace_addr;
54	int md_ptrace_instr_alt;
55	int md_ptrace_addr_alt;
56#if __ARM_ARCH < 6
57	register_t md_tp;
58	void *md_ras_start;
59	void *md_ras_end;
60#endif
61};
62
63struct mdproc {
64	struct	md_utrap *md_utrap;
65	void	*md_sigtramp;
66};
67
68#define	KINFO_PROC_SIZE 816
69
70#define MAXARGS	8
71/*
72 * This holds the syscall state for a single system call.
73 * As some syscall arguments may be 64-bit aligned we need to ensure the
74 * args value is 64-bit aligned. The ABI will then ensure any 64-bit
75 * arguments are already correctly aligned, even if they were passed in
76 * via registers, we just need to make sure we copy them to an aligned
77 * buffer.
78 */
79struct syscall_args {
80	u_int code;
81	struct sysent *callp;
82	register_t args[MAXARGS];
83	int narg;
84	u_int nap;
85} __aligned(8);
86
87#endif /* !_MACHINE_PROC_H_ */
88