freebsd-nq/sys/sys/sysent.h

78 lines
3.1 KiB
C

/*-
* Copyright (c) 1982, 1988, 1991 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: sysent.h,v 1.15 1997/11/06 19:29:47 phk Exp $
*/
#ifndef _SYS_SYSENT_H_
#define _SYS_SYSENT_H_
struct proc;
typedef int sy_call_t __P((struct proc *, void *));
struct sysent { /* system call table */
int sy_narg; /* number of arguments */
sy_call_t *sy_call; /* implementing function */
};
#define SCARG(p,k) ((p)->k) /* get arg from args pointer */
/* placeholder till we integrate rest of lite2 syscallargs changes XXX */
struct image_params;
struct trapframe;
struct sysentvec {
int sv_size; /* number of entries */
struct sysent *sv_table; /* pointer to sysent */
u_int sv_mask; /* optional mask to index */
int sv_sigsize; /* size of signal translation table */
int *sv_sigtbl; /* signal translation table */
int sv_errsize; /* size of errno translation table */
int *sv_errtbl; /* errno translation table */
int (*sv_fixup) __P((int **, struct image_params *));
/* stack fixup function */
void (*sv_sendsig) __P((void (*)(int), int, int, u_long));
/* send signal */
char *sv_sigcode; /* start of sigtramp code */
int *sv_szsigcode; /* size of sigtramp code */
void (*sv_prepsyscall) __P((struct trapframe *, int *,
u_int *, caddr_t *));
char *sv_name; /* name of binary type */
};
#ifdef KERNEL
extern struct sysentvec aout_sysvec;
extern struct sysent sysent[];
#endif
#endif /* !_SYS_SYSENT_H_ */