xref: /minix3/lib/libc/arch/sparc/sys/cerror.S (revision 2fe8fb192fe7e8720e3e7a77f928da545e872a6a)
1*2fe8fb19SBen Gras/*	$NetBSD: cerror.S,v 1.10 2007/10/08 13:06:00 uwe Exp $	*/
2*2fe8fb19SBen Gras
3*2fe8fb19SBen Gras/*
4*2fe8fb19SBen Gras * Copyright (c) 1992, 1993
5*2fe8fb19SBen Gras *	The Regents of the University of California.  All rights reserved.
6*2fe8fb19SBen Gras *
7*2fe8fb19SBen Gras * This software was developed by the Computer Systems Engineering group
8*2fe8fb19SBen Gras * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9*2fe8fb19SBen Gras * contributed to Berkeley.
10*2fe8fb19SBen Gras *
11*2fe8fb19SBen Gras * Redistribution and use in source and binary forms, with or without
12*2fe8fb19SBen Gras * modification, are permitted provided that the following conditions
13*2fe8fb19SBen Gras * are met:
14*2fe8fb19SBen Gras * 1. Redistributions of source code must retain the above copyright
15*2fe8fb19SBen Gras *    notice, this list of conditions and the following disclaimer.
16*2fe8fb19SBen Gras * 2. Redistributions in binary form must reproduce the above copyright
17*2fe8fb19SBen Gras *    notice, this list of conditions and the following disclaimer in the
18*2fe8fb19SBen Gras *    documentation and/or other materials provided with the distribution.
19*2fe8fb19SBen Gras * 3. Neither the name of the University nor the names of its contributors
20*2fe8fb19SBen Gras *    may be used to endorse or promote products derived from this software
21*2fe8fb19SBen Gras *    without specific prior written permission.
22*2fe8fb19SBen Gras *
23*2fe8fb19SBen Gras * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24*2fe8fb19SBen Gras * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25*2fe8fb19SBen Gras * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26*2fe8fb19SBen Gras * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27*2fe8fb19SBen Gras * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28*2fe8fb19SBen Gras * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29*2fe8fb19SBen Gras * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30*2fe8fb19SBen Gras * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31*2fe8fb19SBen Gras * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32*2fe8fb19SBen Gras * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33*2fe8fb19SBen Gras * SUCH DAMAGE.
34*2fe8fb19SBen Gras *
35*2fe8fb19SBen Gras * from: Header: cerror.s,v 1.3 92/07/02 04:17:59 torek Exp
36*2fe8fb19SBen Gras */
37*2fe8fb19SBen Gras
38*2fe8fb19SBen Gras#include <machine/asm.h>
39*2fe8fb19SBen Gras#if defined(LIBC_SCCS) && !defined(lint)
40*2fe8fb19SBen Gras#if 0
41*2fe8fb19SBen Gras	.asciz "@(#)cerror.s	8.1 (Berkeley) 6/4/93"
42*2fe8fb19SBen Gras#else
43*2fe8fb19SBen Gras	RCSID("$NetBSD: cerror.S,v 1.10 2007/10/08 13:06:00 uwe Exp $")
44*2fe8fb19SBen Gras#endif
45*2fe8fb19SBen Gras#endif /* LIBC_SCCS and not lint */
46*2fe8fb19SBen Gras
47*2fe8fb19SBen Gras#include "SYS.h"
48*2fe8fb19SBen Gras
49*2fe8fb19SBen Gras#ifdef _REENTRANT
50*2fe8fb19SBen GrasFUNC(CERROR)
51*2fe8fb19SBen Gras	save	%sp, -CCFSZ, %sp
52*2fe8fb19SBen Gras	call	_C_LABEL(__errno)
53*2fe8fb19SBen Gras	 nop
54*2fe8fb19SBen Gras	st	%i0, [%o0]
55*2fe8fb19SBen Gras	mov	-1, %i0
56*2fe8fb19SBen Gras	ret
57*2fe8fb19SBen Gras	 restore %g0, -1, %o1
58*2fe8fb19SBen Gras#else
59*2fe8fb19SBen Gras	.globl	_C_LABEL(errno)
60*2fe8fb19SBen Gras#ifdef PIC
61*2fe8fb19SBen GrasFUNC(CERROR)
62*2fe8fb19SBen Gras	set	_C_LABEL(errno), %g2
63*2fe8fb19SBen Gras	ld	[%g1 + %g2], %g1
64*2fe8fb19SBen Gras	st	%o0, [%g1]
65*2fe8fb19SBen Gras	mov	-1, %o0
66*2fe8fb19SBen Gras	retl
67*2fe8fb19SBen Gras	 mov	-1, %o1
68*2fe8fb19SBen Gras#else
69*2fe8fb19SBen GrasFUNC(CERROR)
70*2fe8fb19SBen Gras	sethi	%hi(_C_LABEL(errno)), %g1
71*2fe8fb19SBen Gras	st	%o0, [%g1 + %lo(_C_LABEL(errno))]
72*2fe8fb19SBen Gras	mov	-1, %o0
73*2fe8fb19SBen Gras	retl
74*2fe8fb19SBen Gras	 mov	-1, %o1
75*2fe8fb19SBen Gras#endif
76*2fe8fb19SBen Gras#endif /* _REENTRANT */
77