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__syscall.S revision 1.3.56.1
      1  1.3.56.1     yamt /*	$NetBSD: __syscall.S,v 1.3.56.1 2012/04/17 00:05:13 yamt Exp $	*/
      2       1.1  mycroft 
      3       1.1  mycroft /*-
      4       1.1  mycroft  * Copyright (c) 1990 The Regents of the University of California.
      5       1.1  mycroft  * All rights reserved.
      6       1.1  mycroft  *
      7       1.1  mycroft  * This code is derived from software contributed to Berkeley by
      8       1.1  mycroft  * William Jolitz.
      9       1.1  mycroft  *
     10       1.1  mycroft  * Redistribution and use in source and binary forms, with or without
     11       1.1  mycroft  * modification, are permitted provided that the following conditions
     12       1.1  mycroft  * are met:
     13       1.1  mycroft  * 1. Redistributions of source code must retain the above copyright
     14       1.1  mycroft  *    notice, this list of conditions and the following disclaimer.
     15       1.1  mycroft  * 2. Redistributions in binary form must reproduce the above copyright
     16       1.1  mycroft  *    notice, this list of conditions and the following disclaimer in the
     17       1.1  mycroft  *    documentation and/or other materials provided with the distribution.
     18       1.3      agc  * 3. Neither the name of the University nor the names of its contributors
     19       1.1  mycroft  *    may be used to endorse or promote products derived from this software
     20       1.1  mycroft  *    without specific prior written permission.
     21       1.1  mycroft  *
     22       1.1  mycroft  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23       1.1  mycroft  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24       1.1  mycroft  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25       1.1  mycroft  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26       1.1  mycroft  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27       1.1  mycroft  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28       1.1  mycroft  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29       1.1  mycroft  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30       1.1  mycroft  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31       1.1  mycroft  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32       1.1  mycroft  * SUCH DAMAGE.
     33       1.1  mycroft  *
     34       1.1  mycroft  *	from: @(#)syscall.s	5.1 (Berkeley) 4/23/90
     35       1.1  mycroft  */
     36       1.1  mycroft 
     37       1.1  mycroft #include <machine/asm.h>
     38       1.1  mycroft #if defined(SYSLIBC_SCCS) && !defined(lint)
     39  1.3.56.1     yamt 	RCSID("$NetBSD: __syscall.S,v 1.3.56.1 2012/04/17 00:05:13 yamt Exp $")
     40       1.1  mycroft #endif /* SYSLIBC_SCCS and not lint */
     41       1.1  mycroft 
     42       1.1  mycroft #include "SYS.h"
     43       1.1  mycroft 
     44       1.1  mycroft ENTRY(__syscall)
     45       1.1  mycroft 	pop	%ecx	/* rta */
     46       1.1  mycroft 	pop	%eax	/* syscall number */
     47       1.1  mycroft 	pop	%edx	/* junk */
     48       1.1  mycroft 	push	%ecx
     49       1.1  mycroft 	int	$0x80
     50       1.1  mycroft 	push	%ecx	/* Keep stack frame consistant */
     51       1.1  mycroft 	push	%ecx	/* Keep stack frame consistant */
     52       1.1  mycroft 	jc	err
     53       1.1  mycroft 	ret
     54       1.1  mycroft err:
     55       1.1  mycroft 	jmp	CERROR
     56