endian.h

来自「ucLinux is a very good embeded sytem. Mo」· C头文件 代码 · 共 21 行

/* ARM is (usually) little-endian.
 * Older FPU style (FPA) is always big-endian.
 * Newer FPU style (VFP) is same as host byte-order.
 */

#ifndef _ENDIAN_H
# error "Never use <bits/endian.h> directly; include <endian.h> instead."
#endif

#ifdef __ARMEB__
# define __BYTE_ORDER __BIG_ENDIAN
#else
# define __BYTE_ORDER __LITTLE_ENDIAN
#endif

#ifdef __VFP_FP__
# define __FLOAT_WORD_ORDER __BYTE_ORDER 
#else
# define __FLOAT_WORD_ORDER __BIG_ENDIAN
#endif