getcontext.S revision 1.2 1 1.2 thorpej /* $NetBSD: getcontext.S,v 1.2 2003/01/18 11:12:55 thorpej Exp $ */
2 1.2 thorpej
3 1.2 thorpej /*-
4 1.2 thorpej * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 1.2 thorpej * All rights reserved.
6 1.2 thorpej *
7 1.2 thorpej * This code is derived from software contributed to The NetBSD Foundation
8 1.2 thorpej * by Klaus Klein.
9 1.2 thorpej *
10 1.2 thorpej * Redistribution and use in source and binary forms, with or without
11 1.2 thorpej * modification, are permitted provided that the following conditions
12 1.2 thorpej * are met:
13 1.2 thorpej * 1. Redistributions of source code must retain the above copyright
14 1.2 thorpej * notice, this list of conditions and the following disclaimer.
15 1.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright
16 1.2 thorpej * notice, this list of conditions and the following disclaimer in the
17 1.2 thorpej * documentation and/or other materials provided with the distribution.
18 1.2 thorpej * 3. All advertising materials mentioning features or use of this software
19 1.2 thorpej * must display the following acknowledgement:
20 1.2 thorpej * This product includes software developed by the NetBSD
21 1.2 thorpej * Foundation, Inc. and its contributors.
22 1.2 thorpej * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.2 thorpej * contributors may be used to endorse or promote products derived
24 1.2 thorpej * from this software without specific prior written permission.
25 1.2 thorpej *
26 1.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.2 thorpej * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.2 thorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.2 thorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.2 thorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.2 thorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.2 thorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.2 thorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.2 thorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.2 thorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.2 thorpej * POSSIBILITY OF SUCH DAMAGE.
37 1.2 thorpej */
38 1.2 thorpej
39 1.2 thorpej #include "SYS.h"
40 1.2 thorpej
41 1.2 thorpej #if defined(SYSLIBC_SCCS) && !defined(lint)
42 1.2 thorpej .text
43 1.2 thorpej .asciz "$NetBSD: getcontext.S,v 1.2 2003/01/18 11:12:55 thorpej Exp $"
44 1.2 thorpej #endif /* SYSLIBC_SCCS && !lint */
45 1.2 thorpej
46 1.2 thorpej #ifdef WEAK_ALIAS
47 1.2 thorpej WEAK_ALIAS(getcontext, _getcontext)
48 1.2 thorpej #endif
49 1.2 thorpej
50 1.2 thorpej ENTRY(_getcontext)
51 1.2 thorpej mr 5, 3 # must save pointer
52 1.2 thorpej li 0, SYS_getcontext
53 1.2 thorpej sc
54 1.2 thorpej bso 1f
55 1.2 thorpej mflr 4
56 1.2 thorpej stw 4, (48 + 34 * 4)(5) # saved pc <- lr
57 1.2 thorpej stw 3, (48 + 3 * 4)(5) # arrange for return value 0
58 1.2 thorpej blr
59 1.2 thorpej 1:
60 1.2 thorpej b PIC_PLT(_C_LABEL(__cerror))
61