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 1.18 1998/06/07 17:13:03 dfr Exp $ 34 */ 35 36 #ifndef _SYS_SYSENT_H_ 37 #define _SYS_SYSENT_H_ 38 39 struct proc; 40 41 typedef int sy_call_t __P((struct proc *, void *)); 42 43 struct sysent { /* system call table */ 44 int sy_narg; /* number of arguments */ 45 sy_call_t *sy_call; /* implementing function */ 46 }; 47 #define SCARG(p,k) ((p)->k) /* get arg from args pointer */ 48 /* placeholder till we integrate rest of lite2 syscallargs changes XXX */ 49 50 struct image_params; 51 struct trapframe; 52 53 struct sysentvec { 54 int sv_size; /* number of entries */ 55 struct sysent *sv_table; /* pointer to sysent */ 56 u_int sv_mask; /* optional mask to index */ 57 int sv_sigsize; /* size of signal translation table */ 58 int *sv_sigtbl; /* signal translation table */ 59 int sv_errsize; /* size of errno translation table */ 60 int *sv_errtbl; /* errno translation table */ 61 int (*sv_transtrap) __P((int, int)); 62 /* translate trap-to-signal mapping */ 63 int (*sv_fixup) __P((long **, struct image_params *)); 64 /* stack fixup function */ 65 void (*sv_sendsig) __P((void (*)(int), int, int, u_long)); 66 /* send signal */ 67 char *sv_sigcode; /* start of sigtramp code */ 68 int *sv_szsigcode; /* size of sigtramp code */ 69 void (*sv_prepsyscall) __P((struct trapframe *, int *, 70 u_int *, caddr_t *)); 71 char *sv_name; /* name of binary type */ 72 int (*sv_coredump) __P((struct proc *p)); 73 /* function to dump core, or NULL */ 74 }; 75 76 #ifdef KERNEL 77 extern struct sysentvec aout_sysvec; 78 extern struct sysent sysent[]; 79 #endif 80 81 #endif /* !_SYS_SYSENT_H_ */ 82