bionic/libc/kernel/common/linux/swab.h

/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef _LINUX_SWAB_H
#define _LINUX_SWAB_H

#include <linux/types.h>
#include <linux/compiler.h>
#include <asm/swab.h>

#define ___constant_swab16(x) ((__u16)(   (((__u16)(x) & (__u16)0x00ffU) << 8) |   (((__u16)(x) & (__u16)0xff00U) >> 8)))

#define ___constant_swab32(x) ((__u32)(   (((__u32)(x) & (__u32)0x000000ffUL) << 24) |   (((__u32)(x) & (__u32)0x0000ff00UL) << 8) |   (((__u32)(x) & (__u32)0x00ff0000UL) >> 8) |   (((__u32)(x) & (__u32)0xff000000UL) >> 24)))

#define ___constant_swab64(x) ((__u64)(   (((__u64)(x) & (__u64)0x00000000000000ffULL) << 56) |   (((__u64)(x) & (__u64)0x000000000000ff00ULL) << 40) |   (((__u64)(x) & (__u64)0x0000000000ff0000ULL) << 24) |   (((__u64)(x) & (__u64)0x00000000ff000000ULL) << 8) |   (((__u64)(x) & (__u64)0x000000ff00000000ULL) >> 8) |   (((__u64)(x) & (__u64)0x0000ff0000000000ULL) >> 24) |   (((__u64)(x) & (__u64)0x00ff000000000000ULL) >> 40) |   (((__u64)(x) & (__u64)0xff00000000000000ULL) >> 56)))

#define ___constant_swahw32(x) ((__u32)(   (((__u32)(x) & (__u32)0x0000ffffUL) << 16) |   (((__u32)(x) & (__u32)0xffff0000UL) >> 16)))

#define ___constant_swahb32(x) ((__u32)(   (((__u32)(x) & (__u32)0x00ff00ffUL) << 8) |   (((__u32)(x) & (__u32)0xff00ff00UL) >> 8)))

#ifdef __arch_swab16
#else
#endif
#ifdef __arch_swab32
#else
#endif
#ifdef __arch_swab64
#elif defined(__SWAB_64_THRU_32__)
#else
#endif
#ifdef __arch_swahw32
#else
#endif
#ifdef __arch_swahb32
#else
#endif
#define __swab16(x)   (__builtin_constant_p((__u16)(x)) ?   ___constant_swab16(x) :   __fswab16(x))
#define __swab32(x)   (__builtin_constant_p((__u32)(x)) ?   ___constant_swab32(x) :   __fswab32(x))
#define __swab64(x)   (__builtin_constant_p((__u64)(x)) ?   ___constant_swab64(x) :   __fswab64(x))
#define __swahw32(x)   (__builtin_constant_p((__u32)(x)) ?   ___constant_swahw32(x) :   __fswahw32(x))
#define __swahb32(x)   (__builtin_constant_p((__u32)(x)) ?   ___constant_swahb32(x) :   __fswahb32(x))
#ifdef __arch_swab16p
#else
#endif
#ifdef __arch_swab32p
#else
#endif
#ifdef __arch_swab64p
#else
#endif
#ifdef __arch_swahw32p
#else
#endif
#ifdef __arch_swahb32p
#else
#endif
#ifdef __arch_swab16s
#else
#endif
#ifdef __arch_swab32s
#else
#endif
#ifdef __arch_swab64s
#else
#endif
#ifdef __arch_swahw32s
#else
#endif
#ifdef __arch_swahb32s
#else
#endif
#endif