/**************************************************************************** **************************************************************************** *** *** 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 _ASM_X86_BYTEORDER_H #define _ASM_X86_BYTEORDER_H #include #include #ifdef __GNUC__ #ifdef __i386__ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x) { __asm__("xchgb %b0,%h0\n\t" "rorl $16,%0\n\t" "xchgb %b0,%h0" :"=q" (x) : "0" (x)); return x; } static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 val) { union { struct { __u32 a,b; } s; __u64 u; } v; v.u = val; v.s.a = ___arch__swab32(v.s.a); v.s.b = ___arch__swab32(v.s.b); __asm__("xchgl %0,%1" : "=r" (v.s.a), "=r" (v.s.b) : "0" (v.s.a), "1" (v.s.b)); return v.u; } #else static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x) { __asm__("bswapq %0" : "=r" (x) : "0" (x)); return x; } static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x) { __asm__("bswapl %0" : "=r" (x) : "0" (x)); return x; } #endif #define __arch__swab64(x) ___arch__swab64(x) #define __arch__swab32(x) ___arch__swab32(x) #define __BYTEORDER_HAS_U64__ #endif #include #endif