sysent.h revision 16474 
1/*-
2 * Copyright (c) 1982, 1988, 1991 The 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 *	$Id: sysent.h,v 1.9 1996/04/04 01:08:20 smpatel Exp $
34 */
35
36#ifndef _SYS_SYSENT_H_
37#define	_SYS_SYSENT_H_
38
39typedef	int	sy_call_t __P((struct proc *, void *, int *));
40
41struct sysent {		/* system call table */
42	int	sy_narg;	/* number of arguments */
43	sy_call_t *sy_call;	/* implementing function */
44};
45
46struct image_params;
47struct trapframe;
48
49struct sysentvec {
50	int		sv_size;	/* number of entries */
51	struct sysent	*sv_table;	/* pointer to sysent */
52	u_int		sv_mask;	/* optional mask to index */
53	int		sv_sigsize;	/* size of signal translation table */
54	int		*sv_sigtbl;	/* signal translation table */
55	int		sv_errsize;	/* size of errno translation table */
56	int 		*sv_errtbl;	/* errno translation table */
57	int		(*sv_fixup) __P((int **, struct image_params *));
58					/* stack fixup function */
59	void		(*sv_sendsig) __P((sig_t, int, int, u_long));
60					/* send signal */
61	char 		*sv_sigcode;	/* start of sigtramp code */
62	int 		*sv_szsigcode;	/* size of sigtramp code */
63	void		(*sv_prepsyscall) __P((struct trapframe *, int *,
64					       u_int *, caddr_t *));
65	char		*sv_name;	/* name of binary type */
66};
67
68#ifdef KERNEL
69extern struct sysentvec aout_sysvec;
70extern struct sysent sysent[];
71#endif
72
73#endif /* !_SYS_SYSENT_H_ */
74