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/* ===-- endianness.h - configuration header for libgcc replacement --------===
*
* The LLVM Compiler Infrastructure
*
* This file is distributed under the University of Illinois Open Source
* License. See LICENSE.TXT for details.
*
* ===----------------------------------------------------------------------===
*
* This file is a configuration header for libgcc replacement.
* This file is not part of the interface of this library.
*
* ===----------------------------------------------------------------------===
*/
#ifndef ENDIANNESS_H
#define ENDIANNESS_H
/* TODO: Improve this to minimal pre-processor hackish'ness. */
/* config.h build via CMake. */
/* #include <config.h> */
/* Solaris header for endian and byte swap */
/* #if defined HAVE_SYS_BYTEORDER_H */
#if defined (__SVR4) && defined (__sun)
#include <sys/byteorder.h>
#if _BYTE_ORDER == _BIG_ENDIAN
#define __BIG_ENDIAN__ 1
#define __LITTLE_ENDIAN__ 0
#else /* _BYTE_ORDER == _LITTLE_ENDIAN */
#define __BIG_ENDIAN__ 0
#define __LITTLE_ENDIAN__ 1
#endif /* _BYTE_ORDER */
#endif /* Solaris and AuroraUX. */
#if defined (__FreeBSD__)
#include <sys/endian.h>
#if _BYTE_ORDER == _BIG_ENDIAN
#define __BIG_ENDIAN__ 1
#define __LITTLE_ENDIAN__ 0
#else /* _BYTE_ORDER == _LITTLE_ENDIAN */
#define __BIG_ENDIAN__ 0
#define __LITTLE_ENDIAN__ 1
#endif /* _BYTE_ORDER */
#endif /* FreeBSD */
#ifdef __LITTLE_ENDIAN__
#if __LITTLE_ENDIAN__
#define _YUGA_LITTLE_ENDIAN 1
#define _YUGA_BIG_ENDIAN 0
#endif
#endif
#ifdef __BIG_ENDIAN__
#if __BIG_ENDIAN__
#define _YUGA_LITTLE_ENDIAN 0
#define _YUGA_BIG_ENDIAN 1
#endif
#endif
#if !defined(_YUGA_LITTLE_ENDIAN) || !defined(_YUGA_BIG_ENDIAN)
#error unable to determine endian
#endif
#endif /* ENDIANNESS_H */
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