blob: 99563de71e5ae16af1447570a7aecc0379758acd [file] [log] [blame]
/*
* klibc/endian.h
*
* Like <endian.h>, but export only double-underscore symbols
*/
#ifndef _KLIBC_ENDIAN_H
#define _KLIBC_ENDIAN_H
#include <klibc/compiler.h>
#include <asm/byteorder.h>
/* Linux' asm/byteorder.h defines either __LITTLE_ENDIAN or
__BIG_ENDIAN, but the glibc/BSD-ish macros expect both to be
defined with __BYTE_ORDER defining which is actually used... */
#if defined(__LITTLE_ENDIAN)
# undef __LITTLE_ENDIAN
# define __LITTLE_ENDIAN 1234
# define __BIG_ENDIAN 4321
# define __PDP_ENDIAN 3412
# define __BYTE_ORDER __LITTLE_ENDIAN
#elif defined(__BIG_ENDIAN)
# undef __BIG_ENDIAN
# define __LITTLE_ENDIAN 1234
# define __BIG_ENDIAN 4321
# define __PDP_ENDIAN 3412
# define __BYTE_ORDER __BIG_ENDIAN
#elif defined(__PDP_ENDIAN)
# undef __PDP_ENDIAN
# define __LITTLE_ENDIAN 1234
# define __BIG_ENDIAN 4321
# define __PDP_ENDIAN 3412
# define __BYTE_ORDER __PDP_ENDIAN
#else
# error "Unknown byte order!"
#endif
#endif /* _KLIBC_ENDIAN_H */