53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
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/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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****************************************************************************
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****************************************************************************/
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#ifndef _LINUX_BYTEORDER_SWABB_H
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#define _LINUX_BYTEORDER_SWABB_H
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#define ___swahw32(x) ({ __u32 __x = (x); ((__u32)( (((__u32)(__x) & (__u32)0x0000ffffUL) << 16) | (((__u32)(__x) & (__u32)0xffff0000UL) >> 16) )); })
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#define ___swahb32(x) ({ __u32 __x = (x); ((__u32)( (((__u32)(__x) & (__u32)0x00ff00ffUL) << 8) | (((__u32)(__x) & (__u32)0xff00ff00UL) >> 8) )); })
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#define ___constant_swahw32(x) ((__u32)( (((__u32)(x) & (__u32)0x0000ffffUL) << 16) | (((__u32)(x) & (__u32)0xffff0000UL) >> 16) ))
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#define ___constant_swahb32(x) ((__u32)( (((__u32)(x) & (__u32)0x00ff00ffUL) << 8) | (((__u32)(x) & (__u32)0xff00ff00UL) >> 8) ))
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#ifndef __arch__swahw32
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#define __arch__swahw32(x) ___swahw32(x)
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#endif
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#ifndef __arch__swahb32
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#define __arch__swahb32(x) ___swahb32(x)
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#endif
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#ifndef __arch__swahw32p
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#define __arch__swahw32p(x) __swahw32(*(x))
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#endif
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#ifndef __arch__swahb32p
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#define __arch__swahb32p(x) __swahb32(*(x))
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#endif
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#ifndef __arch__swahw32s
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#define __arch__swahw32s(x) do { *(x) = __swahw32p((x)); } while (0)
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#endif
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#ifndef __arch__swahb32s
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#define __arch__swahb32s(x) do { *(x) = __swahb32p((x)); } while (0)
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#endif
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#if defined(__GNUC__) && defined(__OPTIMIZE__)
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#define __swahw32(x) (__builtin_constant_p((__u32)(x)) ? ___swahw32((x)) : __fswahw32((x)))
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#define __swahb32(x) (__builtin_constant_p((__u32)(x)) ? ___swahb32((x)) : __fswahb32((x)))
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#else
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#define __swahw32(x) __fswahw32(x)
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#define __swahb32(x) __fswahb32(x)
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#endif
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#ifdef __BYTEORDER_HAS_U64__
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#endif
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#endif
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