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9385eb3d
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1/*
2 * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
9385eb3d
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6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
e9ce8d39
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23/*
24 * Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991
25 * All Rights Reserved
26 *
27 * Permission to use, copy, modify, and distribute this software and
28 * its documentation for any purpose and without fee is hereby granted,
29 * provided that the above copyright notice appears in all copies and
30 * that both the copyright notice and this permission notice appear in
31 * supporting documentation.
32 *
33 * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
34 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
35 * FOR A PARTICULAR PURPOSE.
36 *
37 * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
38 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
39 * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
40 * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
41 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
42 *
43 */
44/*
45 * MkLinux
46 */
47
48.text
49
50#if defined(__ppc__)
51#import <architecture/ppc/asm_help.h>
52#import <architecture/ppc/pseudo_inst.h>
53
54/*
55 * void *_sp(void)
56 */
57
58LEAF(__sp)
59 mr r3,r1
60 blr
61
62/*
63 * void *_adjust_sp(void *sp)
64 */
65LEAF(__adjust_sp)
66 subi r3,r3,0x100 /* Stack frame padding */
67 blr
68
69#elif defined(__i386__)
70
71#import <architecture/i386/asm_help.h>
72/*
73 * void *_sp(void)
74 */
75
76LEAF(__sp,0)
77 movl %esp,%eax
78 ret
79
80/*
81 * void *_adjust_sp(void *sp)
82 */
83LEAF(__adjust_sp,0)
84 movl 4(%esp),%eax
85 subl $0x100,%eax
86 ret
87
88#else
89#error sp functions not defined for this architecture
90#endif
91