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cerror.S revision 1.7
      1  1.7    kleink /*	$NetBSD: cerror.S,v 1.7 1998/10/01 09:26:31 kleink Exp $	*/
      2  1.5  christos 
      3  1.1       cgd /*-
      4  1.1       cgd  * Copyright (c) 1990 The Regents of the University of California.
      5  1.1       cgd  * All rights reserved.
      6  1.1       cgd  *
      7  1.1       cgd  * This code is derived from software contributed to Berkeley by
      8  1.1       cgd  * William Jolitz.
      9  1.1       cgd  *
     10  1.1       cgd  * Redistribution and use in source and binary forms, with or without
     11  1.1       cgd  * modification, are permitted provided that the following conditions
     12  1.1       cgd  * are met:
     13  1.1       cgd  * 1. Redistributions of source code must retain the above copyright
     14  1.1       cgd  *    notice, this list of conditions and the following disclaimer.
     15  1.1       cgd  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1       cgd  *    notice, this list of conditions and the following disclaimer in the
     17  1.1       cgd  *    documentation and/or other materials provided with the distribution.
     18  1.1       cgd  * 3. All advertising materials mentioning features or use of this software
     19  1.1       cgd  *    must display the following acknowledgement:
     20  1.1       cgd  *	This product includes software developed by the University of
     21  1.1       cgd  *	California, Berkeley and its contributors.
     22  1.1       cgd  * 4. Neither the name of the University nor the names of its contributors
     23  1.1       cgd  *    may be used to endorse or promote products derived from this software
     24  1.1       cgd  *    without specific prior written permission.
     25  1.1       cgd  *
     26  1.1       cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  1.1       cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  1.1       cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  1.1       cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  1.1       cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  1.1       cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  1.1       cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  1.1       cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  1.1       cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  1.1       cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  1.1       cgd  * SUCH DAMAGE.
     37  1.2       jtc  *
     38  1.2       jtc  *	from: @(#)cerror.s	5.1 (Berkeley) 4/23/90
     39  1.1       cgd  */
     40  1.1       cgd 
     41  1.5  christos #include <machine/asm.h>
     42  1.1       cgd #if defined(SYSLIBC_SCCS) && !defined(lint)
     43  1.7    kleink 	RCSID("$NetBSD: cerror.S,v 1.7 1998/10/01 09:26:31 kleink Exp $")
     44  1.1       cgd #endif /* SYSLIBC_SCCS and not lint */
     45  1.1       cgd 
     46  1.1       cgd #include "SYS.h"
     47  1.1       cgd 
     48  1.7    kleink #ifdef _REENTRANT
     49  1.7    kleink 	.globl	_C_LABEL(__errno)
     50  1.7    kleink #else
     51  1.6   thorpej 	.globl	_C_LABEL(errno)
     52  1.7    kleink #endif
     53  1.1       cgd cerror:
     54  1.7    kleink #ifdef _REENTRANT
     55  1.7    kleink 	push	%eax
     56  1.7    kleink #ifdef PIC
     57  1.7    kleink 	PIC_PROLOGUE
     58  1.7    kleink 	call	PIC_PLT(_C_LABEL(__errno))
     59  1.7    kleink 	PIC_EPILOGUE
     60  1.7    kleink #else
     61  1.7    kleink 	call	_C_LABEL(__errno)
     62  1.7    kleink #endif /* PIC */
     63  1.7    kleink 	popl	%ecx
     64  1.7    kleink 	movl	%ecx,(%eax)
     65  1.7    kleink #else
     66  1.1       cgd #ifdef PIC
     67  1.1       cgd 	PIC_PROLOGUE
     68  1.6   thorpej 	movl	PIC_GOT(_C_LABEL(errno)),%ecx
     69  1.3   mycroft 	PIC_EPILOGUE
     70  1.1       cgd 	movl	%eax,(%ecx)
     71  1.1       cgd #else
     72  1.6   thorpej 	movl	%eax,_C_LABEL(errno)
     73  1.7    kleink #endif /* PIC */
     74  1.7    kleink #endif /* _REENTRANT */
     75  1.1       cgd 	movl	$-1,%eax
     76  1.4       cgd 	movl	$-1,%edx
     77  1.1       cgd 	ret
     78