xref: /386bsd/usr/src/kernel/include/sys/user.h (revision a2142627)
1 /*
2  * Copyright (c) 1982, 1986, 1989, 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  *	@(#)user.h	7.19 (Berkeley) 5/4/91
34  */
35 
36 #ifndef	_USER_H_
37 #define	_USER_H_
38 
39 #include <machine/pcb.h>
40 #include "uio.h"
41 #include "proc.h"
42 #include "signalvar.h"
43 #include "vm.h"
44 #include "vmspace.h"
45 #include "sys/kinfo_proc.h"
46 #include <sys/errno.h>
47 
48 /*
49  * Per process structure containing data that isn't needed in core
50  * when the process isn't running (esp. when swapped out).
51  * This structure may or may not be at the same kernel address
52  * in all processes.
53  */
54 
55 struct	user {
56 	struct	pcb u_pcb;
57 
58 	struct	sigacts u_sigacts;	/* p_sigacts points here (use it!) */
59 
60 	/*
61 	 * Remaining fields only for core dump and/or ptrace--
62 	 * not valid at other times!
63 	 */
64 	struct	kinfo_proc u_kproc;	/* proc + eproc */
65 };
66 
67 /*
68  * Redefinitions to make the debuggers happy for now...
69  * This subterfuge brought to you by coredump() and procxmt().
70  * These fields are *only* valid at those times!
71  */
72 #define	U_ar0	u_kproc.kp_proc.p_md.md_regs /* copy of curproc->p_md.md_regs */
73 #define	U_tsize	u_kproc.kp_eproc.e_vm.vm_tsize
74 #define	U_dsize	u_kproc.kp_eproc.e_vm.vm_dsize
75 #define	U_ssize	u_kproc.kp_eproc.e_vm.vm_ssize
76 #define	U_sig	u_sigacts.ps_sig
77 #define	U_code	u_sigacts.ps_code
78 
79 #ifndef KERNEL
80 #define	u_ar0	U_ar0
81 #define	u_tsize	U_tsize
82 #define	u_dsize	U_dsize
83 #define	u_ssize	U_ssize
84 #define	u_sig	U_sig
85 #define	u_code	U_code
86 #endif /* KERNEL */
87 
88 #endif /* _USER_H_ */
89