SYS.h revision 1.3
11.3Sjtc/*	$NetBSD: SYS.h,v 1.3 1996/10/18 19:37:48 jtc Exp $ */
21.1Sragge/*
31.1Sragge * Copyright (c) 1983, 1993
41.1Sragge *	The Regents of the University of California.  All rights reserved.
51.1Sragge *
61.1Sragge * Redistribution and use in source and binary forms, with or without
71.1Sragge * modification, are permitted provided that the following conditions
81.1Sragge * are met:
91.1Sragge * 1. Redistributions of source code must retain the above copyright
101.1Sragge *    notice, this list of conditions and the following disclaimer.
111.1Sragge * 2. Redistributions in binary form must reproduce the above copyright
121.1Sragge *    notice, this list of conditions and the following disclaimer in the
131.1Sragge *    documentation and/or other materials provided with the distribution.
141.1Sragge * 3. All advertising materials mentioning features or use of this software
151.1Sragge *    must display the following acknowledgement:
161.1Sragge *	This product includes software developed by the University of
171.1Sragge *	California, Berkeley and its contributors.
181.1Sragge * 4. Neither the name of the University nor the names of its contributors
191.1Sragge *    may be used to endorse or promote products derived from this software
201.1Sragge *    without specific prior written permission.
211.1Sragge *
221.1Sragge * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
231.1Sragge * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
241.1Sragge * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
251.1Sragge * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
261.1Sragge * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
271.1Sragge * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
281.1Sragge * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
291.1Sragge * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
301.1Sragge * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
311.1Sragge * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
321.1Sragge * SUCH DAMAGE.
331.1Sragge *
341.1Sragge *	@(#)SYS.h	8.1 (Berkeley) 6/4/93
351.1Sragge */
361.1Sragge
371.3Sjtc#include <machine/asm.h>
381.1Sragge#include <sys/syscall.h>
391.1Sragge
401.3Sjtc#ifdef __STDC__
411.3Sjtc#define SYSTRAP(x)	chmk $ SYS_ ## x
421.2Sragge#else
431.3Sjtc#define SYSTRAP(x)	chmk $ SYS_/**/x
441.3Sjtc#endif
451.3Sjtc
461.3Sjtc#define	SYSCALL(x) \
471.3Sjtc	err: jmp cerror; \
481.3Sjtc	ENTRY(x, 0); \
491.3Sjtc	SYSTRAP(x); \
501.3Sjtc	jcs err
511.3Sjtc
521.3Sjtc#define	RSYSCALL(x) \
531.3Sjtc	SYSCALL(x); \
541.3Sjtc	ret
551.2Sragge
561.3Sjtc#define SYSCALL_NOERROR(x) \
571.3Sjtc	ENTRY(x, 0); \
581.3Sjtc	SYSTRAP(x)
591.2Sragge
601.3Sjtc#define RSYSCALL_NOERROR(x) \
611.3Sjtc	SYSCALL_NOERROR(x); \
621.3Sjtc	ret
631.3Sjtc
641.3Sjtc#define	PSEUDO(x,y) \
651.3Sjtc	ENTRY(x, 0); \
661.3Sjtc	SYSTRAP(y); \
671.3Sjtc	ret
681.1Sragge
691.1Sragge#define	ASMSTR		.asciz
701.1Sragge
711.1Sragge	.globl	cerror
72