user.h revision 50477
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 * $FreeBSD: head/sys/sys/user.h 50477 1999-08-28 01:08:13Z peter $
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 <sys/errno.h>
44#include <sys/time.h>
45#include <sys/resource.h>
46#include <sys/ucred.h>
47#include <sys/uio.h>
48#include <sys/proc.h>
49#include <vm/vm.h>		/* XXX */
50#include <vm/vm_param.h>	/* XXX */
51#include <vm/pmap.h>		/* XXX */
52#include <sys/lock.h>		/* XXX */
53#include <vm/vm_map.h>		/* XXX */
54#endif /* !KERNEL */
55#ifndef _SYS_RESOURCEVAR_H_
56#include <sys/resourcevar.h>
57#endif
58#ifndef _SYS_SIGNALVAR_H_
59#include <sys/signalvar.h>
60#endif
61
62/*
63 * KERN_PROC subtype ops return arrays of augmented proc structures:
64 */
65struct kinfo_proc {
66	struct	proc kp_proc;			/* proc structure */
67	struct	eproc {
68		struct	proc *e_paddr;		/* address of proc */
69		struct	session *e_sess;	/* session pointer */
70		struct	pcred e_pcred;		/* process credentials */
71		struct	ucred e_ucred;		/* current credentials */
72		struct  procsig e_procsig;	/* shared signal structure */
73		struct	vmspace e_vm;		/* address space */
74		pid_t	e_ppid;			/* parent process id */
75		pid_t	e_pgid;			/* process group id */
76		short	e_jobc;			/* job control counter */
77		udev_t	e_tdev;			/* controlling tty dev */
78		pid_t	e_tpgid;		/* tty process group id */
79		struct	session *e_tsess;	/* tty session pointer */
80#define	WMESGLEN	7
81		char	e_wmesg[WMESGLEN+1];	/* wchan message */
82		segsz_t e_xsize;		/* text size */
83		short	e_xrssize;		/* text rss */
84		short	e_xccount;		/* text references */
85		short	e_xswrss;
86		long	e_flag;
87#define	EPROC_CTTY	0x01	/* controlling tty vnode active */
88#define	EPROC_SLEADER	0x02	/* session leader */
89		char	e_login[roundup(MAXLOGNAME, sizeof(long))];	/* setlogin() name */
90		long	e_spare[2];
91	} kp_eproc;
92};
93void fill_eproc __P((struct proc *, struct eproc *));
94
95
96/*
97 * Per process structure containing data that isn't needed in core
98 * when the process isn't running (esp. when swapped out).
99 * This structure may or may not be at the same kernel address
100 * in all processes.
101 */
102
103struct	user {
104	struct	pcb u_pcb;
105	struct	sigacts u_sigacts;	/* p_sigacts points here (use it!) */
106	struct	pstats u_stats;		/* p_stats points here (use it!) */
107	/*
108	 * Remaining fields only for core dump and/or ptrace--
109	 * not valid at other times!
110	 */
111	struct	kinfo_proc u_kproc;	/* proc + eproc */
112	struct	md_coredump u_md;	/* machine dependent glop */
113};
114
115/*
116 * Redefinitions to make the debuggers happy for now...  This subterfuge
117 * brought to you by coredump() and trace_req().  These fields are *only*
118 * valid at those times!
119 */
120#ifdef __i386__
121#define	U_ar0	u_kproc.kp_proc.p_md.md_regs /* copy of curproc->p_md.md_regs */
122#endif
123#ifdef __alpha__
124#define	U_ar0	u_kproc.kp_proc.p_md.md_tf /* copy of curproc->p_md.md_tf */
125#endif
126#define	U_tsize	u_kproc.kp_eproc.e_vm.vm_tsize
127#define	U_dsize	u_kproc.kp_eproc.e_vm.vm_dsize
128#define	U_ssize	u_kproc.kp_eproc.e_vm.vm_ssize
129#define	U_sig	u_kproc.kp_proc.p_sig
130#define	U_code	u_kproc.kp_proc.p_code
131
132#ifndef KERNEL
133#define	u_ar0	U_ar0
134#define	u_tsize	U_tsize
135#define	u_dsize	U_dsize
136#define	u_ssize	U_ssize
137#define	u_sig	U_sig
138#define	u_code	U_code
139#endif /* KERNEL */
140
141#endif
142