1 /* $NetBSD: SYS.h,v 1.8 1997/03/08 06:32:08 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * from: @(#)SYS.h 5.5 (Berkeley) 5/7/91 40 */ 41 42 #include <sys/syscall.h> 43 #include <machine/asm.h> 44 45 #ifdef __STDC__ 46 #define IMMEDIATE # 47 #define SYSTRAP(x) movl IMMEDIATE SYS_ ## x ## ,d0; trap IMMEDIATE 0 48 #else 49 #define SYSTRAP(x) movl #SYS_/**/x,d0; trap #0 50 #endif 51 52 #define SYSCALL(x) .even; err: jra cerror; ENTRY(x); \ 53 SYSTRAP(x); jcs err 54 55 #define SYSCALL_NOERROR(x) \ 56 ENTRY(x); \ 57 SYSTRAP(x) 58 59 #define RSYSCALL(x) \ 60 SYSCALL(x); \ 61 rts 62 63 #define RSYSCALL_NOERROR(x) \ 64 SYSCALL_NOERROR(x); \ 65 rts 66 67 #define PSEUDO(x,y) \ 68 ENTRY(x); \ 69 SYSTRAP(y); \ 70 rts 71 72 #define ASMSTR .asciz 73 74 .globl cerror 75