user.h revision 2165 
1/*
2 * Copyright (c) 1982, 1986, 1989, 1991, 1993
3 *	The Regents of the University of California.  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 *	@(#)user.h	8.2 (Berkeley) 9/23/93
34 * $Id: user.h,v 1.2 1994/08/02 07:54:06 davidg Exp $
35 */
36
37#ifndef _SYS_USER_H_
38#define _SYS_USER_H_
39
40#include <machine/pcb.h>
41#ifndef KERNEL
42/* stuff that *used* to be included by user.h, or is now needed */
43#include <errno.h>
44#include <sys/time.h>
45#include <sys/resource.h>
46#include <sys/ucred.h>
47#include <sys/uio.h>
48#endif
49#include <sys/resourcevar.h>
50#include <sys/signalvar.h>
51#include <vm/vm.h>		/* XXX */
52#include <sys/sysctl.h>
53
54
55/*
56 * Per process structure containing data that isn't needed in core
57 * when the process isn't running (esp. when swapped out).
58 * This structure may or may not be at the same kernel address
59 * in all processes.
60 */
61
62struct	user {
63	struct	pcb u_pcb;
64
65	struct	sigacts u_sigacts;	/* p_sigacts points here (use it!) */
66	struct	pstats u_stats;		/* p_stats points here (use it!) */
67
68	/*
69	 * Remaining fields only for core dump and/or ptrace--
70	 * not valid at other times!
71	 */
72	struct	kinfo_proc u_kproc;	/* proc + eproc */
73	struct	md_coredump u_md;	/* machine dependent glop */
74};
75
76/*
77 * Redefinitions to make the debuggers happy for now...  This subterfuge
78 * brought to you by coredump() and trace_req().  These fields are *only*
79 * valid at those times!
80 */
81#define	U_ar0	u_kproc.kp_proc.p_md.md_regs /* copy of curproc->p_md.md_regs */
82#define	U_tsize	u_kproc.kp_eproc.e_vm.vm_tsize
83#define	U_dsize	u_kproc.kp_eproc.e_vm.vm_dsize
84#define	U_ssize	u_kproc.kp_eproc.e_vm.vm_ssize
85#define	U_sig	u_sigacts.ps_sig
86#define	U_code	u_sigacts.ps_code
87
88#ifndef KERNEL
89#define	u_ar0	U_ar0
90#define	u_tsize	U_tsize
91#define	u_dsize	U_dsize
92#define	u_ssize	U_ssize
93#define	u_sig	U_sig
94#define	u_code	U_code
95#endif /* KERNEL */
96
97#endif
98