39 lines
2.9 KiB
C
39 lines
2.9 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 __ASM_ARM_UNALIGNED_H
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#define __ASM_ARM_UNALIGNED_H
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#include <asm/types.h>
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#define __get_unaligned_2_le(__p) (__p[0] | __p[1] << 8)
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#define __get_unaligned_2_be(__p) (__p[0] << 8 | __p[1])
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#define __get_unaligned_4_le(__p) (__p[0] | __p[1] << 8 | __p[2] << 16 | __p[3] << 24)
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#define __get_unaligned_4_be(__p) (__p[0] << 24 | __p[1] << 16 | __p[2] << 8 | __p[3])
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#define __get_unaligned_le(ptr) ({ __typeof__(*(ptr)) __v; __u8 *__p = (__u8 *)(ptr); switch (sizeof(*(ptr))) { case 1: __v = *(ptr); break; case 2: __v = __get_unaligned_2_le(__p); break; case 4: __v = __get_unaligned_4_le(__p); break; case 8: { unsigned int __v1, __v2; __v2 = __get_unaligned_4_le((__p+4)); __v1 = __get_unaligned_4_le(__p); __v = ((unsigned long long)__v2 << 32 | __v1); } break; default: __v = __bug_unaligned_x(__p); break; } __v; })
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#define __get_unaligned_be(ptr) ({ __typeof__(*(ptr)) __v; __u8 *__p = (__u8 *)(ptr); switch (sizeof(*(ptr))) { case 1: __v = *(ptr); break; case 2: __v = __get_unaligned_2_be(__p); break; case 4: __v = __get_unaligned_4_be(__p); break; case 8: { unsigned int __v1, __v2; __v2 = __get_unaligned_4_be(__p); __v1 = __get_unaligned_4_be((__p+4)); __v = ((unsigned long long)__v2 << 32 | __v1); } break; default: __v = __bug_unaligned_x(__p); break; } __v; })
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#define __put_unaligned_le(val,ptr) ({ switch (sizeof(*(ptr))) { case 1: *(ptr) = (val); break; case 2: __put_unaligned_2_le((val),(__u8 *)(ptr)); break; case 4: __put_unaligned_4_le((val),(__u8 *)(ptr)); break; case 8: __put_unaligned_8_le((val),(__u8 *)(ptr)); break; default: __bug_unaligned_x(ptr); break; } (void) 0; })
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#define __put_unaligned_be(val,ptr) ({ switch (sizeof(*(ptr))) { case 1: *(ptr) = (val); break; case 2: __put_unaligned_2_be((val),(__u8 *)(ptr)); break; case 4: __put_unaligned_4_be((val),(__u8 *)(ptr)); break; case 8: __put_unaligned_8_be((val),(__u8 *)(ptr)); break; default: __bug_unaligned_x(ptr); break; } (void) 0; })
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#ifndef __ARMEB__
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#define get_unaligned __get_unaligned_le
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#define put_unaligned __put_unaligned_le
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#else
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#define get_unaligned __get_unaligned_be
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#define put_unaligned __put_unaligned_be
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#endif
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#endif
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