xref: /netbsd-src/lib/libc/arch/sparc/sys/cerror.S (revision 4d12bfcd155352508213ace5ccc59ce930ea2974)
1*4d12bfcdSjoerg/*	$NetBSD: cerror.S,v 1.11 2013/09/12 15:36:16 joerg Exp $	*/
21394f01bSchristos
30b9f5089Scgd/*
40b9f5089Scgd * Copyright (c) 1992, 1993
50b9f5089Scgd *	The Regents of the University of California.  All rights reserved.
60b9f5089Scgd *
70b9f5089Scgd * This software was developed by the Computer Systems Engineering group
80b9f5089Scgd * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
90b9f5089Scgd * contributed to Berkeley.
100b9f5089Scgd *
110b9f5089Scgd * Redistribution and use in source and binary forms, with or without
120b9f5089Scgd * modification, are permitted provided that the following conditions
130b9f5089Scgd * are met:
140b9f5089Scgd * 1. Redistributions of source code must retain the above copyright
150b9f5089Scgd *    notice, this list of conditions and the following disclaimer.
160b9f5089Scgd * 2. Redistributions in binary form must reproduce the above copyright
170b9f5089Scgd *    notice, this list of conditions and the following disclaimer in the
180b9f5089Scgd *    documentation and/or other materials provided with the distribution.
19eb7c1594Sagc * 3. Neither the name of the University nor the names of its contributors
200b9f5089Scgd *    may be used to endorse or promote products derived from this software
210b9f5089Scgd *    without specific prior written permission.
220b9f5089Scgd *
230b9f5089Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
240b9f5089Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
250b9f5089Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
260b9f5089Scgd * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
270b9f5089Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
280b9f5089Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
290b9f5089Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
300b9f5089Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
310b9f5089Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
320b9f5089Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
330b9f5089Scgd * SUCH DAMAGE.
340b9f5089Scgd *
350b9f5089Scgd * from: Header: cerror.s,v 1.3 92/07/02 04:17:59 torek Exp
360b9f5089Scgd */
370b9f5089Scgd
381394f01bSchristos#include <machine/asm.h>
390b9f5089Scgd#if defined(LIBC_SCCS) && !defined(lint)
401394f01bSchristos#if 0
410b9f5089Scgd	.asciz "@(#)cerror.s	8.1 (Berkeley) 6/4/93"
421394f01bSchristos#else
43*4d12bfcdSjoerg	RCSID("$NetBSD: cerror.S,v 1.11 2013/09/12 15:36:16 joerg Exp $")
441394f01bSchristos#endif
450b9f5089Scgd#endif /* LIBC_SCCS and not lint */
460b9f5089Scgd
47e0bf9676Spk#include "SYS.h"
480b9f5089Scgd
4963c8772aSpk#ifdef _REENTRANT
50dccf2a15SkleinkFUNC(CERROR)
5155a9a999Smartin	save	%sp, -CCFSZ, %sp
5263c8772aSpk	call	_C_LABEL(__errno)
5363c8772aSpk	 nop
5463c8772aSpk	st	%i0, [%o0]
5563c8772aSpk	mov	-1, %i0
5663c8772aSpk	ret
5763c8772aSpk	 restore %g0, -1, %o1
5863c8772aSpk#else
59131c70b1Stv	.globl	_C_LABEL(errno)
60*4d12bfcdSjoerg#ifdef __PIC__
61dccf2a15SkleinkFUNC(CERROR)
62a34b3f87Suwe	set	_C_LABEL(errno), %g2
63a34b3f87Suwe	ld	[%g1 + %g2], %g1
64e0bf9676Spk	st	%o0, [%g1]
65e0bf9676Spk	mov	-1, %o0
66e0bf9676Spk	retl
67e0bf9676Spk	 mov	-1, %o1
68e0bf9676Spk#else
69dccf2a15SkleinkFUNC(CERROR)
70131c70b1Stv	sethi	%hi(_C_LABEL(errno)), %g1
71131c70b1Stv	st	%o0, [%g1 + %lo(_C_LABEL(errno))]
720b9f5089Scgd	mov	-1, %o0
730b9f5089Scgd	retl
740b9f5089Scgd	 mov	-1, %o1
75e0bf9676Spk#endif
7663c8772aSpk#endif /* _REENTRANT */
77