xref: /netbsd/lib/libc/arch/sparc64/sys/cerror.S (revision bf9ec67e)
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
54FUNC(__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
66FUNC(__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
75FUNC(__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
84FUNC(__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