xref: /titanic_41/usr/src/lib/libc/sparcv9/crt/cerror.s (revision 9e86db79b7d1bbc5f2f04e99954cbd5eae0e22bb)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1988 AT&T	*/
28/*	  All Rights Reserved	*/
29
30	.file	"cerror.s"
31
32#include "SYS.h"
33
34	/*
35	 * All system call wrappers call __cerror on error.
36	 * __cerror is private to libc and must remain so.
37	 * _cerror is exported from libc and is retained
38	 * only for historical reasons.
39	 */
40	ENTRY2(_cerror,__cerror)
41	cmp	%o0, ERESTART
42	be,a,pn	%icc, 1f
43	mov	EINTR, %o0
441:
45	save	%sp, -SA(MINFRAME), %sp
46	call	___errno
47	nop
48	st	%i0, [%o0]
49	restore
50	retl				/* return (-1l) */
51	sub	%g0, 1, %o0
52
53	SET_SIZE(_cerror)
54	SET_SIZE(__cerror)
55