1 /* $NetBSD: SYS.h,v 1.4 1997/05/02 18:15:32 kleink Exp $ */ 2 /* 3 * Copyright (c) 1983, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 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. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by the University of 17 * California, Berkeley and its contributors. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)SYS.h 8.1 (Berkeley) 6/4/93 35 */ 36 37 #include <machine/asm.h> 38 #include <sys/syscall.h> 39 40 #ifdef __STDC__ 41 #define SYSTRAP(x) chmk $ SYS_ ## x 42 #else 43 #define SYSTRAP(x) chmk $ SYS_/**/x 44 #endif 45 46 #define _SYSCALL_NOERROR(x,y) \ 47 ENTRY(x,0); \ 48 SYSTRAP(y) 49 50 #define _SYSCALL(x,y) \ 51 err: jmp cerror; \ 52 _SYSCALL_NOERROR(x,y); \ 53 jcs err 54 55 #define SYSCALL_NOERROR(x) \ 56 _SYSCALL_NOERROR(x,x) 57 58 #define SYSCALL(x) \ 59 _SYSCALL(x,x) 60 61 #define PSEUDO_NOERROR(x,y) \ 62 _SYSCALL_NOERROR(x,y); \ 63 ret 64 65 #define PSEUDO(x,y) \ 66 _SYSCALL(x,y); \ 67 ret 68 69 #define RSYSCALL_NOERROR(x) \ 70 PSEUDO_NOERROR(x,x) 71 72 #define RSYSCALL(x) \ 73 PSEUDO(x,x) 74 75 #define ASMSTR .asciz 76 77 .globl cerror 78