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1 | /* | |
2 | * Copyright © 2006 Keith Packard | |
3 | * Copyright © 2010 Behdad Esfahbod | |
4 | * | |
5 | * Permission to use, copy, modify, distribute, and sell this software and its | |
6 | * documentation for any purpose is hereby granted without fee, provided that | |
7 | * the above copyright notice appear in all copies and that both that | |
8 | * copyright notice and this permission notice appear in supporting | |
9 | * documentation, and that the name of the author(s) not be used in | |
10 | * advertising or publicity pertaining to distribution of the software without | |
11 | * specific, written prior permission. The authors make no | |
12 | * representations about the suitability of this software for any purpose. It | |
13 | * is provided "as is" without express or implied warranty. | |
14 | * | |
15 | * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
16 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
17 | * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
18 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
19 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
20 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |
21 | * PERFORMANCE OF THIS SOFTWARE. | |
22 | */ | |
23 | #ifndef _FCARCH_H_ | |
24 | #define _FCARCH_H_ | |
25 | ||
26 | #ifdef HAVE_CONFIG_H | |
27 | #include <config.h> | |
28 | #endif | |
29 | ||
30 | /* | |
31 | * Each unique machine architecture needs an entry in this file | |
32 | * So far the differences boil down to: endianness, 32 vs 64 bit pointers, | |
33 | * and on 32bit ones, whether double is aligned to one word or two words. | |
34 | * Those result in the 6 formats listed below. | |
35 | * | |
36 | * If any of the assertion errors in fccache.c fail, you need to add a new | |
37 | * architecture. Contact the fontconfig mailing list in that case. | |
38 | * | |
39 | * name endianness pointer-size double-alignment | |
40 | * | |
41 | * le32d4 4321 4 4 | |
42 | * le32d8 4321 4 8 | |
43 | * le64 4321 8 8 | |
44 | * be32d4 1234 4 4 | |
45 | * be32d8 1234 4 8 | |
46 | * be64 1234 8 8 | |
47 | */ | |
48 | ||
49 | #if defined(WORDS_BIGENDIAN) && WORDS_BIGENDIAN | |
50 | # define FC_ARCH_ENDIAN "be" | |
51 | #else /* !WORDS_BIGENDIAN */ | |
52 | # define FC_ARCH_ENDIAN "le" | |
53 | #endif | |
54 | ||
55 | #if SIZEOF_VOID_P == 4 | |
56 | # if ALIGNOF_DOUBLE == 4 | |
57 | # define FC_ARCH_SIZE_ALIGN "32d4" | |
58 | # else /* ALIGNOF_DOUBLE != 4 */ | |
59 | # define FC_ARCH_SIZE_ALIGN "32d8" | |
60 | # endif | |
61 | #else /* SIZEOF_VOID_P != 4 */ | |
62 | # define FC_ARCH_SIZE_ALIGN "64" | |
63 | #endif | |
64 | ||
65 | #ifdef ARCHITECTURE | |
66 | # define ARCHITECTURE FC_ARCHITECTURE | |
67 | #else | |
68 | # define FC_ARCHITECTURE FC_ARCH_ENDIAN FC_ARCH_SIZE_ALIGN | |
69 | #endif | |
70 | ||
71 | #endif /* _FCARCH_H_ */ |