xref: /aosp_15_r20/bionic/libc/kernel/uapi/linux/swab.h (revision 8d67ca893c1523eb926b9080dbe4e2ffd2a27ba1)
1*8d67ca89SAndroid Build Coastguard Worker /*
2*8d67ca89SAndroid Build Coastguard Worker  * This file is auto-generated. Modifications will be lost.
3*8d67ca89SAndroid Build Coastguard Worker  *
4*8d67ca89SAndroid Build Coastguard Worker  * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
5*8d67ca89SAndroid Build Coastguard Worker  * for more information.
6*8d67ca89SAndroid Build Coastguard Worker  */
7*8d67ca89SAndroid Build Coastguard Worker #ifndef _UAPI_LINUX_SWAB_H
8*8d67ca89SAndroid Build Coastguard Worker #define _UAPI_LINUX_SWAB_H
9*8d67ca89SAndroid Build Coastguard Worker #include <linux/types.h>
10*8d67ca89SAndroid Build Coastguard Worker #include <linux/stddef.h>
11*8d67ca89SAndroid Build Coastguard Worker #include <asm/bitsperlong.h>
12*8d67ca89SAndroid Build Coastguard Worker #include <asm/swab.h>
13*8d67ca89SAndroid Build Coastguard Worker #define ___constant_swab16(x) ((__u16) ((((__u16) (x) & (__u16) 0x00ffU) << 8) | (((__u16) (x) & (__u16) 0xff00U) >> 8)))
14*8d67ca89SAndroid Build Coastguard Worker #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)))
15*8d67ca89SAndroid Build Coastguard Worker #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)))
16*8d67ca89SAndroid Build Coastguard Worker #define ___constant_swahw32(x) ((__u32) ((((__u32) (x) & (__u32) 0x0000ffffUL) << 16) | (((__u32) (x) & (__u32) 0xffff0000UL) >> 16)))
17*8d67ca89SAndroid Build Coastguard Worker #define ___constant_swahb32(x) ((__u32) ((((__u32) (x) & (__u32) 0x00ff00ffUL) << 8) | (((__u32) (x) & (__u32) 0xff00ff00UL) >> 8)))
18*8d67ca89SAndroid Build Coastguard Worker #ifdef __SWAB_64_THRU_32__
19*8d67ca89SAndroid Build Coastguard Worker #else
20*8d67ca89SAndroid Build Coastguard Worker #endif
__fswahw32(__u32 val)21*8d67ca89SAndroid Build Coastguard Worker static inline __attribute__((__const__)) __u32 __fswahw32(__u32 val) {
22*8d67ca89SAndroid Build Coastguard Worker   return ___constant_swahw32(val);
23*8d67ca89SAndroid Build Coastguard Worker }
__fswahb32(__u32 val)24*8d67ca89SAndroid Build Coastguard Worker static inline __attribute__((__const__)) __u32 __fswahb32(__u32 val) {
25*8d67ca89SAndroid Build Coastguard Worker   return ___constant_swahb32(val);
26*8d67ca89SAndroid Build Coastguard Worker }
27*8d67ca89SAndroid Build Coastguard Worker #define __swab16(x) (__u16) __builtin_bswap16((__u16) (x))
28*8d67ca89SAndroid Build Coastguard Worker #define __swab32(x) (__u32) __builtin_bswap32((__u32) (x))
29*8d67ca89SAndroid Build Coastguard Worker #define __swab64(x) (__u64) __builtin_bswap64((__u64) (x))
30*8d67ca89SAndroid Build Coastguard Worker #if __BITS_PER_LONG == 64
31*8d67ca89SAndroid Build Coastguard Worker #else
32*8d67ca89SAndroid Build Coastguard Worker #endif
33*8d67ca89SAndroid Build Coastguard Worker #define __swahw32(x) (__builtin_constant_p((__u32) (x)) ? ___constant_swahw32(x) : __fswahw32(x))
34*8d67ca89SAndroid Build Coastguard Worker #define __swahb32(x) (__builtin_constant_p((__u32) (x)) ? ___constant_swahb32(x) : __fswahb32(x))
__swab16p(const __u16 * p)35*8d67ca89SAndroid Build Coastguard Worker static __always_inline __u16 __swab16p(const __u16 * p) {
36*8d67ca89SAndroid Build Coastguard Worker   return __swab16(* p);
37*8d67ca89SAndroid Build Coastguard Worker }
__swab32p(const __u32 * p)38*8d67ca89SAndroid Build Coastguard Worker static __always_inline __u32 __swab32p(const __u32 * p) {
39*8d67ca89SAndroid Build Coastguard Worker   return __swab32(* p);
40*8d67ca89SAndroid Build Coastguard Worker }
__swab64p(const __u64 * p)41*8d67ca89SAndroid Build Coastguard Worker static __always_inline __u64 __swab64p(const __u64 * p) {
42*8d67ca89SAndroid Build Coastguard Worker   return __swab64(* p);
43*8d67ca89SAndroid Build Coastguard Worker }
__swahw32p(const __u32 * p)44*8d67ca89SAndroid Build Coastguard Worker static inline __u32 __swahw32p(const __u32 * p) {
45*8d67ca89SAndroid Build Coastguard Worker   return __swahw32(* p);
46*8d67ca89SAndroid Build Coastguard Worker }
__swahb32p(const __u32 * p)47*8d67ca89SAndroid Build Coastguard Worker static inline __u32 __swahb32p(const __u32 * p) {
48*8d67ca89SAndroid Build Coastguard Worker   return __swahb32(* p);
49*8d67ca89SAndroid Build Coastguard Worker }
__swab16s(__u16 * p)50*8d67ca89SAndroid Build Coastguard Worker static inline void __swab16s(__u16 * p) {
51*8d67ca89SAndroid Build Coastguard Worker   * p = __swab16p(p);
52*8d67ca89SAndroid Build Coastguard Worker }
__swab32s(__u32 * p)53*8d67ca89SAndroid Build Coastguard Worker static __always_inline void __swab32s(__u32 * p) {
54*8d67ca89SAndroid Build Coastguard Worker   * p = __swab32p(p);
55*8d67ca89SAndroid Build Coastguard Worker }
__swab64s(__u64 * p)56*8d67ca89SAndroid Build Coastguard Worker static __always_inline void __swab64s(__u64 * p) {
57*8d67ca89SAndroid Build Coastguard Worker   * p = __swab64p(p);
58*8d67ca89SAndroid Build Coastguard Worker }
__swahw32s(__u32 * p)59*8d67ca89SAndroid Build Coastguard Worker static inline void __swahw32s(__u32 * p) {
60*8d67ca89SAndroid Build Coastguard Worker   * p = __swahw32p(p);
61*8d67ca89SAndroid Build Coastguard Worker }
__swahb32s(__u32 * p)62*8d67ca89SAndroid Build Coastguard Worker static inline void __swahb32s(__u32 * p) {
63*8d67ca89SAndroid Build Coastguard Worker   * p = __swahb32p(p);
64*8d67ca89SAndroid Build Coastguard Worker }
65*8d67ca89SAndroid Build Coastguard Worker #endif
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