1/*	$NetBSD: cerror.S,v 1.7 2013/09/12 15:36:16 joerg 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. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * from: Header: cerror.s,v 1.3 92/07/02 04:17:59 torek Exp
36 */
37
38#include <machine/asm.h>
39#if defined(LIBC_SCCS) && !defined(lint)
40#if 0
41	.asciz "@(#)cerror.s	8.1 (Berkeley) 6/4/93"
42#else
43	RCSID("$NetBSD: cerror.S,v 1.7 2013/09/12 15:36:16 joerg Exp $")
44#endif
45#endif /* LIBC_SCCS and not lint */
46
47#include "SYS.h"
48
49#ifdef _REENTRANT
50FUNC(__cerror)
51	save	%sp, -CC64FSZ, %sp
52	call	_C_LABEL(__errno)
53	 nop
54	st	%i0, [%o0]
55	mov	-1, %i0
56	ret
57	 restore %g0, -1, %o1
58#else
59	.globl	_C_LABEL(errno)
60
61#if __PIC__ - 0 >= 2
62
63FUNC(__cerror)
64	PIC_PROLOGUE(%g1, %o3)
65	set	_C_LABEL(errno),%o1
66	ldx	[%g1 + %o1], %g1
67	st	%o0, [%g1]
68	mov	-1, %o0
69	retl
70	 mov	-1, %o1
71
72#elif __PIC__ - 0 >= 1
73
74FUNC(__cerror)
75	PIC_PROLOGUE(%g1, %o3)
76	ldx	[%g1 + _C_LABEL(errno)], %g1
77	st	%o0, [%g1]
78	mov	-1, %o0
79	retl
80	 mov	-1, %o1
81
82#else
83
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
91#endif /* __PIC__ */
92
93#endif /* _REENTRANT */
94