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cerror.S revision 1.5 
      1 /*	$NetBSD: cerror.S,v 1.5 2002/05/07 01:34:22 eeh Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1992, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This software was developed by the Computer Systems Engineering group
      8  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      9  * contributed to Berkeley.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by the University of
     22  *	California, Berkeley and its contributors.
     23  * 4. Neither the name of the University nor the names of its contributors
     24  *    may be used to endorse or promote products derived from this software
     25  *    without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     28  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     30  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     31  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     35  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     36  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     37  * SUCH DAMAGE.
     38  *
     39  * from: Header: cerror.s,v 1.3 92/07/02 04:17:59 torek Exp
     40  */
     41 
     42 #include <machine/asm.h>
     43 #if defined(LIBC_SCCS) && !defined(lint)
     44 #if 0
     45 	.asciz "@(#)cerror.s	8.1 (Berkeley) 6/4/93"
     46 #else
     47 	RCSID("$NetBSD: cerror.S,v 1.5 2002/05/07 01:34:22 eeh Exp $")
     48 #endif
     49 #endif /* LIBC_SCCS and not lint */
     50 
     51 #include "SYS.h"
     52 
     53 #ifdef _REENTRANT
     54 FUNC(__cerror)
     55 	save	%sp, -CC64FSZ, %sp
     56 	call	_C_LABEL(__errno)
     57 	 nop
     58 	st	%i0, [%o0]
     59 	mov	-1, %i0
     60 	ret
     61 	 restore %g0, -1, %o1
     62 #else
     63 	.globl	_C_LABEL(errno)
     64 #ifdef PIC
     65 #ifdef BIGPIC
     66 FUNC(__cerror)
     67 	PIC_PROLOGUE(%g1, %o3)
     68 	set	_C_LABEL(errno),%o1
     69 	ldx	[%g1 + %o1], %g1
     70 	st	%o0, [%g1]
     71 	mov	-1, %o0
     72 	retl
     73 	 mov	-1, %o1
     74 #else
     75 FUNC(__cerror)
     76 	PIC_PROLOGUE(%g1, %o3)
     77 	ldx	[%g1 + _C_LABEL(errno)], %g1
     78 	st	%o0, [%g1]
     79 	mov	-1, %o0
     80 	retl
     81 	 mov	-1, %o1
     82 #endif
     83 #else
     84 FUNC(__cerror)
     85 	sethi	%hi(_C_LABEL(errno)), %g1
     86 	st	%o0, [%g1 + %lo(_C_LABEL(errno))]
     87 	mov	-1, %o0
     88 	retl
     89 	 mov	-1, %o1
     90 #endif
     91 #endif /* _REENTRANT */
     92