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 * $FreeBSD$ 34 */ 35 36 #ifndef _SYS_SYSENT_H_ 37 #define _SYS_SYSENT_H_ 38 39 typedef int sy_call_t __P((struct proc *, void *, int *)); 40 41 struct sysent { /* system call table */ 42 int sy_narg; /* number of arguments */ 43 sy_call_t *sy_call; /* implementing function */ 44 }; 45 46 struct image_params; 47 struct trapframe; 48 49 struct 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((void (*)(int), 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 69 extern struct sysentvec aout_sysvec; 70 extern struct sysent sysent[]; 71 #endif 72 73 #endif /* !_SYS_SYSENT_H_ */ 74