/* $NetBSD: SYS.h,v 1.18 2013/07/24 15:38:07 matt Exp $ */ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * 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. 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. * * from: @(#)SYS.h 5.5 (Berkeley) 5/7/91 */ #include <sys/syscall.h> #include <machine/asm.h> #ifdef __STDC__ #define IMMEDIATE # #define SYSTRAP(x) movl IMMEDIATE SYS_ ## x ## ,%d0; trap IMMEDIATE 0 #else #define SYSTRAP(x) movl #SYS_/**/x,%d0; trap #0 #endif #define CERROR _C_LABEL(__cerror) #define _SYSCALL_NOERROR(x,y) \ ENTRY(x); \ SYSTRAP(y) #define _SYSCALL(x,y) \ _SYSCALL_NOERROR(x,y); \ jcs CERROR #define SYSCALL_NOERROR(x) \ _SYSCALL_NOERROR(x,x) #define SYSCALL(x) \ _SYSCALL(x,x) #define PSEUDO_NOERROR(x,y) \ _SYSCALL_NOERROR(x,y); \ rts; \ END(x) #define PSEUDO(x,y) \ _SYSCALL(x,y); \ rts; \ END(x) #define RSYSCALL_NOERROR(x) \ PSEUDO_NOERROR(x,x) #define RSYSCALL(x) \ PSEUDO(x,x) #ifdef WEAK_ALIAS #define WSYSCALL(weak,strong) \ WEAK_ALIAS(weak,strong); \ PSEUDO(strong,weak) #else #define WSYSCALL(weak,strong) \ PSEUDO(weak,weak) #endif #define ASMSTR .asciz .globl CERROR .hidden CERROR |