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SYS.h revision 1.2
      1  1.1   paulus /*-
      2  1.1   paulus  * Copyright (c) 1990 The Regents of the University of California.
      3  1.1   paulus  * All rights reserved.
      4  1.1   paulus  *
      5  1.1   paulus  * This code is derived from software contributed to Berkeley by
      6  1.1   paulus  * the Systems Programming Group of the University of Utah Computer
      7  1.1   paulus  * Science Department.
      8  1.1   paulus  *
      9  1.1   paulus  * Redistribution and use in source and binary forms, with or without
     10  1.1   paulus  * modification, are permitted provided that the following conditions
     11  1.1   paulus  * are met:
     12  1.1   paulus  * 1. Redistributions of source code must retain the above copyright
     13  1.1   paulus  *    notice, this list of conditions and the following disclaimer.
     14  1.1   paulus  * 2. Redistributions in binary form must reproduce the above copyright
     15  1.1   paulus  *    notice, this list of conditions and the following disclaimer in the
     16  1.1   paulus  *    documentation and/or other materials provided with the distribution.
     17  1.1   paulus  * 3. All advertising materials mentioning features or use of this software
     18  1.1   paulus  *    must display the following acknowledgement:
     19  1.1   paulus  *	This product includes software developed by the University of
     20  1.1   paulus  *	California, Berkeley and its contributors.
     21  1.1   paulus  * 4. Neither the name of the University nor the names of its contributors
     22  1.1   paulus  *    may be used to endorse or promote products derived from this software
     23  1.1   paulus  *    without specific prior written permission.
     24  1.1   paulus  *
     25  1.1   paulus  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     26  1.1   paulus  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     27  1.1   paulus  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     28  1.1   paulus  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     29  1.1   paulus  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     30  1.1   paulus  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     31  1.1   paulus  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32  1.1   paulus  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33  1.1   paulus  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34  1.1   paulus  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35  1.1   paulus  * SUCH DAMAGE.
     36  1.1   paulus  *
     37  1.1   paulus  *	from: @(#)SYS.h	5.5 (Berkeley) 5/7/91
     38  1.2  mycroft  *	$Id: SYS.h,v 1.2 1994/01/30 21:55:52 mycroft Exp $
     39  1.1   paulus  */
     40  1.1   paulus 
     41  1.1   paulus #include <sys/syscall.h>
     42  1.2  mycroft #include <machine/asm.h>
     43  1.1   paulus 
     44  1.1   paulus #ifdef	PIC
     45  1.1   paulus /* With PIC code, we can't pass the error to cerror in d0,
     46  1.1   paulus    because the jump might go via the binder. */
     47  1.1   paulus #define	SYSCALL(x)	.even; err: movl d0,sp@-; jra cerror; ENTRY(x); \
     48  1.1   paulus 			movl #SYS_/**/x,d0; trap #0; jcs err
     49  1.1   paulus #else
     50  1.1   paulus #define	SYSCALL(x)	.even; err: jra cerror; ENTRY(x); \
     51  1.1   paulus 			movl #SYS_/**/x,d0; trap #0; jcs err
     52  1.1   paulus #endif
     53  1.1   paulus 
     54  1.1   paulus #define	RSYSCALL(x)	SYSCALL(x); rts
     55  1.1   paulus #define	PSEUDO(x,y)	ENTRY(x); movl #SYS_/**/y,d0; trap #0; rts
     56  1.1   paulus 
     57  1.1   paulus #define	ASMSTR		.asciz
     58  1.1   paulus 
     59  1.1   paulus 	.globl	cerror
     60