2 * Copyright (c) 1997 Jonathan Lemon
3 * Copyright (c) 2008 The DragonFly Project.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * $FreeBSD: src/sys/i386/include/pcb_ext.h,v 1.4 1999/12/29 04:33:04 peter Exp $
30 #ifndef _MACHINE_PCB_EXT_H_
31 #define _MACHINE_PCB_EXT_H_
34 #include <sys/types.h>
38 * Extension to the 386 process control block
40 #include <machine/tss.h>
41 #include <machine/segments.h>
44 struct user_segment_descriptor ext_tssd; /* tss descriptor */
45 struct x86_64tss ext_tss; /* per-process x86_64tss */
46 caddr_t ext_iomap; /* i/o permission bitmap */
49 /* JG remove this structure? */
55 struct user_segment_descriptor ldt_sd;
62 void set_user_ldt (struct pcb *);
63 struct pcb_ldt *user_ldt_alloc (struct pcb *, int);
64 void user_ldt_free (struct pcb *);
68 #endif /* _MACHINE_PCB_EXT_H_ */