/* * Copyright © 2006 Keith Packard * Copyright © 2010 Behdad Esfahbod * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of the author(s) not be used in * advertising or publicity pertaining to distribution of the software without * specific, written prior permission. The authors make no * representations about the suitability of this software for any purpose. It * is provided "as is" without express or implied warranty. * * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ #ifndef _FCARCH_H_ #define _FCARCH_H_ #ifdef HAVE_CONFIG_H #include <config.h> #endif /* * Each unique machine architecture needs an entry in this file * So far the differences boil down to: endianness, 32 vs 64 bit pointers, * and on 32bit ones, whether double is aligned to one word or two words. * Those result in the 6 formats listed below. * * If any of the assertion errors in fcarch.c fail, you need to add a new * architecture. Contact the fontconfig mailing list in that case. * * name endianness pointer-size double-alignment * * le32d4 4321 4 4 * le32d8 4321 4 8 * le64 4321 8 8 * be32d4 1234 4 4 * be32d8 1234 4 8 * be64 1234 8 8 */ #if defined(__DARWIN_BYTE_ORDER) && __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN #define FC_ARCH_ENDIAN … #elif defined(__DARWIN_BYTE_ORDER) && __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN #define FC_ARCH_ENDIAN … #elif defined(__DARWIN_BYTE_ORDER) && __DARWIN_BYTE_ORDER == __DARWIN_PDP_ENDIAN #define FC_ARCH_ENDIAN … #elif defined(WORDS_BIGENDIAN) && WORDS_BIGENDIAN #define FC_ARCH_ENDIAN … #else #define FC_ARCH_ENDIAN … #endif #if SIZEOF_VOID_P == 4 # if ALIGNOF_DOUBLE == 4 #define FC_ARCH_SIZE_ALIGN … # else /* ALIGNOF_DOUBLE != 4 */ #define FC_ARCH_SIZE_ALIGN … # endif #else /* SIZEOF_VOID_P != 4 */ #define FC_ARCH_SIZE_ALIGN … #endif /* config.h might override this */ #ifndef FC_ARCHITECTURE #define FC_ARCHITECTURE … #endif #endif /* _FCARCH_H_ */
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