| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** 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. |
| *** |
| *** To edit the content of this header, modify the corresponding |
| *** source file (e.g. under external/kernel-headers/original/) then |
| *** run bionic/libc/kernel/tools/update_all.py |
| *** |
| *** Any manual change here will be lost the next time this script will |
| *** be run. You've been warned! |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _UAPI_LINUX_SWAB_H |
| #define _UAPI_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 |
| static inline __attribute__((__const__)) __u32 __fswahw32(__u32 val) { |
| #ifdef __arch_swahw32 |
| return __arch_swahw32(val); |
| #else |
| return ___constant_swahw32(val); |
| #endif |
| } |
| static inline __attribute__((__const__)) __u32 __fswahb32(__u32 val) { |
| #ifdef __arch_swahb32 |
| return __arch_swahb32(val); |
| #else |
| return ___constant_swahb32(val); |
| #endif |
| } |
| #define __swab16(x) (__u16) __builtin_bswap16((__u16) (x)) |
| #define __swab32(x) (__u32) __builtin_bswap32((__u32) (x)) |
| #define __swab64(x) (__u64) __builtin_bswap64((__u64) (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)) |
| static __always_inline __u16 __swab16p(const __u16 * p) { |
| #ifdef __arch_swab16p |
| return __arch_swab16p(p); |
| #else |
| return __swab16(* p); |
| #endif |
| } |
| static __always_inline __u32 __swab32p(const __u32 * p) { |
| #ifdef __arch_swab32p |
| return __arch_swab32p(p); |
| #else |
| return __swab32(* p); |
| #endif |
| } |
| static __always_inline __u64 __swab64p(const __u64 * p) { |
| #ifdef __arch_swab64p |
| return __arch_swab64p(p); |
| #else |
| return __swab64(* p); |
| #endif |
| } |
| static inline __u32 __swahw32p(const __u32 * p) { |
| #ifdef __arch_swahw32p |
| return __arch_swahw32p(p); |
| #else |
| return __swahw32(* p); |
| #endif |
| } |
| static inline __u32 __swahb32p(const __u32 * p) { |
| #ifdef __arch_swahb32p |
| return __arch_swahb32p(p); |
| #else |
| return __swahb32(* p); |
| #endif |
| } |
| static inline void __swab16s(__u16 * p) { |
| #ifdef __arch_swab16s |
| __arch_swab16s(p); |
| #else |
| * p = __swab16p(p); |
| #endif |
| } |
| static __always_inline void __swab32s(__u32 * p) { |
| #ifdef __arch_swab32s |
| __arch_swab32s(p); |
| #else |
| * p = __swab32p(p); |
| #endif |
| } |
| static __always_inline void __swab64s(__u64 * p) { |
| #ifdef __arch_swab64s |
| __arch_swab64s(p); |
| #else |
| * p = __swab64p(p); |
| #endif |
| } |
| static inline void __swahw32s(__u32 * p) { |
| #ifdef __arch_swahw32s |
| __arch_swahw32s(p); |
| #else |
| * p = __swahw32p(p); |
| #endif |
| } |
| static inline void __swahb32s(__u32 * p) { |
| #ifdef __arch_swahb32s |
| __arch_swahb32s(p); |
| #else |
| * p = __swahb32p(p); |
| #endif |
| } |
| #endif |