xref: /freebsd/sys/amd64/include/proc.h (revision a220d00e74dd245b4fca59c5eca0c53963686325)
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  * $FreeBSD$
35  */
36 
37 #ifndef _MACHINE_PROC_H_
38 #define	_MACHINE_PROC_H_
39 
40 #include <machine/globals.h>
41 #include <machine/segments.h>
42 
43 struct proc_ldt {
44         caddr_t ldt_base;
45         int     ldt_len;
46         int     ldt_refcnt;
47         u_long  ldt_active;
48         struct  segment_descriptor ldt_sd;
49 };
50 
51 /*
52  * Machine-dependent part of the proc structure for i386.
53  */
54 struct mdthread {
55 };
56 
57 struct mdproc {
58 	struct proc_ldt *md_ldt;	/* per-process ldt */
59 };
60 
61 #ifdef	_KERNEL
62 
63 void 	set_user_ldt __P((struct mdproc *));
64 struct 	proc_ldt *user_ldt_alloc __P((struct mdproc *, int));
65 void 	user_ldt_free __P((struct thread *));
66 
67 #endif	/* _KERNEL */
68 
69 #endif /* !_MACHINE_PROC_H_ */
70