SYS.h revision 1573
11573Srgrimes/*-
21573Srgrimes * Copyright (c) 1990, 1993
31573Srgrimes *	The Regents of the University of California.  All rights reserved.
41573Srgrimes *
51573Srgrimes * This code is derived from software contributed to Berkeley by
61573Srgrimes * William Jolitz.
71573Srgrimes *
81573Srgrimes * Redistribution and use in source and binary forms, with or without
91573Srgrimes * modification, are permitted provided that the following conditions
101573Srgrimes * are met:
111573Srgrimes * 1. Redistributions of source code must retain the above copyright
121573Srgrimes *    notice, this list of conditions and the following disclaimer.
131573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright
141573Srgrimes *    notice, this list of conditions and the following disclaimer in the
151573Srgrimes *    documentation and/or other materials provided with the distribution.
161573Srgrimes * 3. All advertising materials mentioning features or use of this software
171573Srgrimes *    must display the following acknowledgement:
181573Srgrimes *	This product includes software developed by the University of
191573Srgrimes *	California, Berkeley and its contributors.
201573Srgrimes * 4. Neither the name of the University nor the names of its contributors
211573Srgrimes *    may be used to endorse or promote products derived from this software
221573Srgrimes *    without specific prior written permission.
231573Srgrimes *
241573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
251573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
261573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
271573Srgrimes * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
281573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
291573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
301573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
311573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
321573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
331573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
341573Srgrimes * SUCH DAMAGE.
351573Srgrimes *
361573Srgrimes *	@(#)SYS.h	8.1 (Berkeley) 6/4/93
371573Srgrimes */
381573Srgrimes
391573Srgrimes#include <sys/syscall.h>
401573Srgrimes
411573Srgrimes#ifdef PROF
421573Srgrimes#define	ENTRY(x)	.globl _/**/x; \
431573Srgrimes			.data; 1:; .long 0; .text; .align 2; _/**/x: \
441573Srgrimes			movl $1b,%eax; call mcount
451573Srgrimes#else
461573Srgrimes#define	ENTRY(x)	.globl _/**/x; .text; .align 2; _/**/x:
471573Srgrimes#endif PROF
481573Srgrimes#define	SYSCALL(x)	2: jmp cerror; ENTRY(x); lea SYS_/**/x,%eax; LCALL(7,0); jb 2b
491573Srgrimes#define	RSYSCALL(x)	SYSCALL(x); ret
501573Srgrimes#define	PSEUDO(x,y)	ENTRY(x); lea SYS_/**/y, %eax; ; LCALL(7,0); ret
511573Srgrimes#define	CALL(x,y)	call _/**/y; addl $4*x,%esp
521573Srgrimes/* gas fucks up offset -- although we don't currently need it, do for BCS */
531573Srgrimes#define	LCALL(x,y)	.byte 0x9a ; .long y; .word x
541573Srgrimes
551573Srgrimes#define	ASMSTR		.asciz
561573Srgrimes
571573Srgrimes	.globl	cerror
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