1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _ASM_X86_BYTEORDER_H 20 #define _ASM_X86_BYTEORDER_H 21 #include <asm/types.h> 22 #include <linux/compiler.h> 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #ifdef __GNUC__ 25 static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x) 26 { 27 __asm__("xchgb %b0,%h0\n\t" 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 "rorl $16,%0\n\t" 30 "xchgb %b0,%h0" 31 :"=q" (x) 32 : "0" (x)); 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 return x; 35 } 36 static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 val) 37 { 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 union { 40 struct { __u32 a,b; } s; 41 __u64 u; 42 } v; 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 v.u = val; 45 v.s.a = ___arch__swab32(v.s.a); 46 v.s.b = ___arch__swab32(v.s.b); 47 __asm__("xchgl %0,%1" : "=r" (v.s.a), "=r" (v.s.b) : "0" (v.s.a), "1" (v.s.b)); 48 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49 return v.u; 50 } 51 #define __arch__swab64(x) ___arch__swab64(x) 52 #define __arch__swab32(x) ___arch__swab32(x) 53 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54 #define __BYTEORDER_HAS_U64__ 55 #endif 56 #include <linux/byteorder/little_endian.h> 57 #endif 58 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59
