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Source at commit 2377 created 10 years 4 months ago. By ifabio, Gfx IDs update. | |
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1 | /*␊ |
2 | * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
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 | */␊ |
23 | /*␊ |
24 | * Copyright (c) 1996 NeXT Software, Inc.␊ |
25 | *␊ |
26 | *␉File:␉architecture/ppc/alignment.h␊ |
27 | ␊ |
28 | * Natural alignment of shorts and longs (for ppc)␊ |
29 | *␊ |
30 | * HISTORY␊ |
31 | *␊ |
32 | * 29-Dec-96 Umesh Vaishampayan (umeshv@NeXT.com)␊ |
33 | *␉Ported from m98k.␊ |
34 | * 2 Sept 1992 Brian Raymor at NeXT␊ |
35 | * Moved over to architecture.␊ |
36 | * 17 August 1992 Jack Greenfield at NeXT␊ |
37 | *␉Created.␊ |
38 | */␊ |
39 | ␊ |
40 | __inline__ static unsigned short ␊ |
41 | get_align_short(void *ivalue)␊ |
42 | {␊ |
43 | unsigned short␉ovalue = ((unsigned char *) ivalue)[0];␊ |
44 | ␊ |
45 | ovalue <<= 8 * sizeof(unsigned char);␊ |
46 | return ovalue + ((unsigned char *) ivalue)[1];␊ |
47 | }␊ |
48 | ␊ |
49 | __inline__ static unsigned short ␊ |
50 | put_align_short(unsigned short ivalue, void *ovalue)␊ |
51 | {␊ |
52 | unsigned short␉*tvalue = &ivalue;␊ |
53 | ␊ |
54 | ((unsigned char *) ovalue)[0] = ((unsigned char *) tvalue)[0];␊ |
55 | ((unsigned char *) ovalue)[1] = ((unsigned char *) tvalue)[1];␊ |
56 | return ivalue;␊ |
57 | }␊ |
58 | ␊ |
59 | __inline__ static unsigned long ␊ |
60 | get_align_long(void *ivalue)␊ |
61 | {␊ |
62 | unsigned long␉ovalue = get_align_short(ivalue);␊ |
63 | ␊ |
64 | ovalue <<= 8 * sizeof(unsigned short);␊ |
65 | return ovalue + get_align_short(((unsigned char *) ivalue) + sizeof(short));␊ |
66 | }␊ |
67 | ␊ |
68 | __inline__ static unsigned long ␊ |
69 | put_align_long(unsigned long ivalue, void *ovalue)␊ |
70 | {␊ |
71 | unsigned long␉*tvalue = &ivalue;␊ |
72 | ␊ |
73 | ((unsigned char *) ovalue)[0] = ((unsigned char *) tvalue)[0];␊ |
74 | ((unsigned char *) ovalue)[1] = ((unsigned char *) tvalue)[1];␊ |
75 | ((unsigned char *) ovalue)[2] = ((unsigned char *) tvalue)[2];␊ |
76 | ((unsigned char *) ovalue)[3] = ((unsigned char *) tvalue)[3];␊ |
77 | return ivalue;␊ |
78 | }␊ |
79 | ␊ |
80 |