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/*
* 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 fccache.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
*/
#ifdef __APPLE__
# include <machine/endian.h>
# undef SIZEOF_VOID_P
# undef ALIGNOF_DOUBLE
# ifdef __LP64__
# define SIZEOF_VOID_P 8
# define ALIGNOF_DOUBLE 8
# else
# define SIZEOF_VOID_P 4
# define ALIGNOF_DOUBLE 4
# endif
#endif
#if defined(__DARWIN_BYTE_ORDER) && __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN
# define FC_ARCH_ENDIAN "le"
#elif defined(__DARWIN_BYTE_ORDER) && __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN
# define FC_ARCH_ENDIAN "be"
#elif defined(__DARWIN_BYTE_ORDER) && __DARWIN_BYTE_ORDER == __DARWIN_PDP_ENDIAN
# define FC_ARCH_ENDIAN "pe"
#elif defined(WORDS_BIGENDIAN) && WORDS_BIGENDIAN
# define FC_ARCH_ENDIAN "be"
#else
# define FC_ARCH_ENDIAN "le"
#endif
#if SIZEOF_VOID_P == 4
# if ALIGNOF_DOUBLE == 4
# define FC_ARCH_SIZE_ALIGN "32d4"
# else /* ALIGNOF_DOUBLE != 4 */
# define FC_ARCH_SIZE_ALIGN "32d8"
# endif
#else /* SIZEOF_VOID_P != 4 */
# define FC_ARCH_SIZE_ALIGN "64"
#endif
/* config.h might override this */
#ifndef FC_ARCHITECTURE
# define FC_ARCHITECTURE FC_ARCH_ENDIAN FC_ARCH_SIZE_ALIGN
#endif
#endif /* _FCARCH_H_ */
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