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cerror.S revision 1.4 
      1 /*
      2  * Copyright (c) 1992, 1993
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * This software was developed by the Computer Systems Engineering group
      6  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      7  * contributed to Berkeley.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *	This product includes software developed by the University of
     20  *	California, Berkeley and its contributors.
     21  * 4. Neither the name of the University nor the names of its contributors
     22  *    may be used to endorse or promote products derived from this software
     23  *    without specific prior written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35  * SUCH DAMAGE.
     36  *
     37  * from: Header: cerror.s,v 1.3 92/07/02 04:17:59 torek Exp
     38  * $Id: cerror.S,v 1.4 1996/11/16 20:53:34 pk Exp $
     39  */
     40 
     41 #if defined(LIBC_SCCS) && !defined(lint)
     42 	.asciz "@(#)cerror.s	8.1 (Berkeley) 6/4/93"
     43 #endif /* LIBC_SCCS and not lint */
     44 
     45 #include "SYS.h"
     46 
     47 #ifdef _REENTRANT
     48 FUNC(cerror)
     49 	save	%sp, -96, %sp
     50 	call	_C_LABEL(__errno)
     51 	 nop
     52 	st	%i0, [%o0]
     53 	mov	-1, %i0
     54 	ret
     55 	 restore %g0, -1, %o1
     56 #else
     57 	.globl	_errno
     58 #ifdef PIC
     59 FUNC(cerror)
     60 	ld	[%g1 + _errno], %g1
     61 	st	%o0, [%g1]
     62 	mov	-1, %o0
     63 	retl
     64 	 mov	-1, %o1
     65 #else
     66 FUNC(cerror)
     67 	sethi	%hi(_errno), %g1
     68 	st	%o0, [%g1 + %lo(_errno)]
     69 	mov	-1, %o0
     70 	retl
     71 	 mov	-1, %o1
     72 #endif
     73 #endif /* _REENTRANT */
     74