xref: /netbsd-src/lib/libc/arch/ia64/sys/cerror.S (revision 64f11261d1dbb1659b8344c2de193fb1193063a9)
1/* $NetBSD: cerror.S,v 1.2 2006/09/22 17:59:47 cherry Exp $ */
2
3/*-
4 * Copyright (c) 2000 Doug Rabson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <machine/asm.h>
30/* __FBSDID("$FreeBSD: src/lib/libc/ia64/sys/cerror.S,v 1.2 2003/03/03 01:09:46 obrien Exp $"); */
31
32
33ENTRY(__cerror, 0)
34	alloc	loc0=ar.pfs,0,3,1,0
35	;;
36	mov	loc1=rp
37	mov	loc2=ret0
38	mov	out0=ret0
39	;;
40	br.call.sptk.few rp=__errno
41	st4	[ret0]=loc2
42	;;
43	mov	ret0=-1
44	mov	ar.pfs=loc0
45	mov	rp=loc1
46	;;
47	br.ret.sptk.few rp
48END(__cerror)
49