Annotation of sys/sys/user.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: user.h,v 1.6 2003/06/02 23:28:22 millert Exp $ */
2: /* $NetBSD: user.h,v 1.10 1996/04/09 20:55:49 cgd Exp $ */
3:
4: /*
5: * Copyright (c) 1982, 1986, 1989, 1991, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. Neither the name of the University nor the names of its contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: *
32: * @(#)user.h 8.2 (Berkeley) 9/23/93
33: */
34:
35: #include <machine/pcb.h>
36: #ifndef _KERNEL
37: /* stuff that *used* to be included by user.h, or is now needed */
38: #include <errno.h>
39: #include <sys/time.h>
40: #include <sys/resource.h>
41: #include <sys/ucred.h>
42: #include <sys/uio.h>
43: #endif
44: #include <sys/resourcevar.h>
45: #include <uvm/uvm_extern.h> /* XXX */
46: #include <sys/sysctl.h>
47:
48:
49: /*
50: * Per process structure containing data that isn't needed in core
51: * when the process isn't running (esp. when swapped out).
52: * This structure may or may not be at the same kernel address
53: * in all processes.
54: */
55:
56: struct user {
57: struct pcb u_pcb;
58:
59: struct pstats u_stats; /* p_stats points here (use it!) */
60:
61: /*
62: * Remaining fields only for core dump and/or ptrace--
63: * not valid at other times!
64: */
65: struct kinfo_proc u_kproc; /* proc + eproc */
66: struct md_coredump u_md; /* machine dependent glop */
67: };
68:
69: /*
70: * Redefinitions to make the debuggers happy for now... This subterfuge
71: * brought to you by coredump() and trace_req(). These fields are *only*
72: * valid at those times!
73: */
74: #define U_ar0 u_kproc.kp_proc.p_md.md_regs /* copy of curproc->p_md.md_regs */
75: #define U_tsize u_kproc.kp_eproc.e_vm.vm_tsize
76: #define U_dsize u_kproc.kp_eproc.e_vm.vm_dsize
77: #define U_ssize u_kproc.kp_eproc.e_vm.vm_ssize
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: #endif /* _KERNEL */
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