diff --git a/tools/include/asm/bitsperlong.h b/tools/include/asm/bitsperlong.h new file mode 100644 index 0000000000..75f320fa91 --- /dev/null +++ b/tools/include/asm/bitsperlong.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __ASM_GENERIC_BITS_PER_LONG +#define __ASM_GENERIC_BITS_PER_LONG + +#ifndef __BITS_PER_LONG +/* + * In order to keep safe and avoid regression, only unify uapi + * bitsperlong.h for some archs which are using newer toolchains + * that have the definitions of __CHAR_BIT__ and __SIZEOF_LONG__. + * See the following link for more info: + * https://lore.kernel.org/linux-arch/b9624545-2c80-49a1-ac3c-39264a591f7b@app.fastmail.com/ + */ +#if defined(__CHAR_BIT__) && defined(__SIZEOF_LONG__) +#define __BITS_PER_LONG (__CHAR_BIT__ * __SIZEOF_LONG__) +#else +/* + * There seems to be no way of detecting this automatically from user + * space, so 64 bit architectures should override this in their + * bitsperlong.h. In particular, an architecture that supports + * both 32 and 64 bit user space must not rely on CONFIG_64BIT + * to decide it, but rather check a compiler provided macro. + */ +#define __BITS_PER_LONG 32 +#endif +#endif + +#endif /* __ASM_GENERIC_BITS_PER_LONG */ diff --git a/tools/include/asm/byteorder.h b/tools/include/asm/byteorder.h new file mode 100644 index 0000000000..8e7d779d7d --- /dev/null +++ b/tools/include/asm/byteorder.h @@ -0,0 +1,12 @@ +#ifndef __ASM_BYTEORDER_H +#define __ASM_BYTEORDER_H + +#include + +#if __BYTE_ORDER == __LITTLE_ENDIAN +#include +#else +#include +#endif + +#endif diff --git a/tools/include/asm/errno-base.h b/tools/include/asm/errno-base.h new file mode 100644 index 0000000000..9653140bff --- /dev/null +++ b/tools/include/asm/errno-base.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASM_GENERIC_ERRNO_BASE_H +#define _ASM_GENERIC_ERRNO_BASE_H + +#define EPERM 1 /* Operation not permitted */ +#define ENOENT 2 /* No such file or directory */ +#define ESRCH 3 /* No such process */ +#define EINTR 4 /* Interrupted system call */ +#define EIO 5 /* I/O error */ +#define ENXIO 6 /* No such device or address */ +#define E2BIG 7 /* Argument list too long */ +#define ENOEXEC 8 /* Exec format error */ +#define EBADF 9 /* Bad file number */ +#define ECHILD 10 /* No child processes */ +#define EAGAIN 11 /* Try again */ +#define ENOMEM 12 /* Out of memory */ +#define EACCES 13 /* Permission denied */ +#define EFAULT 14 /* Bad address */ +#define ENOTBLK 15 /* Block device required */ +#define EBUSY 16 /* Device or resource busy */ +#define EEXIST 17 /* File exists */ +#define EXDEV 18 /* Cross-device link */ +#define ENODEV 19 /* No such device */ +#define ENOTDIR 20 /* Not a directory */ +#define EISDIR 21 /* Is a directory */ +#define EINVAL 22 /* Invalid argument */ +#define ENFILE 23 /* File table overflow */ +#define EMFILE 24 /* Too many open files */ +#define ENOTTY 25 /* Not a typewriter */ +#define ETXTBSY 26 /* Text file busy */ +#define EFBIG 27 /* File too large */ +#define ENOSPC 28 /* No space left on device */ +#define ESPIPE 29 /* Illegal seek */ +#define EROFS 30 /* Read-only file system */ +#define EMLINK 31 /* Too many links */ +#define EPIPE 32 /* Broken pipe */ +#define EDOM 33 /* Math argument out of domain of func */ +#define ERANGE 34 /* Math result not representable */ + +#endif diff --git a/tools/include/asm/errno.h b/tools/include/asm/errno.h new file mode 100644 index 0000000000..a96d525330 --- /dev/null +++ b/tools/include/asm/errno.h @@ -0,0 +1,123 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASM_GENERIC_ERRNO_H +#define _ASM_GENERIC_ERRNO_H + +#include + +#define EDEADLK 35 /* Resource deadlock would occur */ +#define ENAMETOOLONG 36 /* File name too long */ +#define ENOLCK 37 /* No record locks available */ + +/* + * This error code is special: arch syscall entry code will return + * -ENOSYS if users try to call a syscall that doesn't exist. To keep + * failures of syscalls that really do exist distinguishable from + * failures due to attempts to use a nonexistent syscall, syscall + * implementations should refrain from returning -ENOSYS. + */ +#define ENOSYS 38 /* Invalid system call number */ + +#define ENOTEMPTY 39 /* Directory not empty */ +#define ELOOP 40 /* Too many symbolic links encountered */ +#define EWOULDBLOCK EAGAIN /* Operation would block */ +#define ENOMSG 42 /* No message of desired type */ +#define EIDRM 43 /* Identifier removed */ +#define ECHRNG 44 /* Channel number out of range */ +#define EL2NSYNC 45 /* Level 2 not synchronized */ +#define EL3HLT 46 /* Level 3 halted */ +#define EL3RST 47 /* Level 3 reset */ +#define ELNRNG 48 /* Link number out of range */ +#define EUNATCH 49 /* Protocol driver not attached */ +#define ENOCSI 50 /* No CSI structure available */ +#define EL2HLT 51 /* Level 2 halted */ +#define EBADE 52 /* Invalid exchange */ +#define EBADR 53 /* Invalid request descriptor */ +#define EXFULL 54 /* Exchange full */ +#define ENOANO 55 /* No anode */ +#define EBADRQC 56 /* Invalid request code */ +#define EBADSLT 57 /* Invalid slot */ + +#define EDEADLOCK EDEADLK + +#define EBFONT 59 /* Bad font file format */ +#define ENOSTR 60 /* Device not a stream */ +#define ENODATA 61 /* No data available */ +#define ETIME 62 /* Timer expired */ +#define ENOSR 63 /* Out of streams resources */ +#define ENONET 64 /* Machine is not on the network */ +#define ENOPKG 65 /* Package not installed */ +#define EREMOTE 66 /* Object is remote */ +#define ENOLINK 67 /* Link has been severed */ +#define EADV 68 /* Advertise error */ +#define ESRMNT 69 /* Srmount error */ +#define ECOMM 70 /* Communication error on send */ +#define EPROTO 71 /* Protocol error */ +#define EMULTIHOP 72 /* Multihop attempted */ +#define EDOTDOT 73 /* RFS specific error */ +#define EBADMSG 74 /* Not a data message */ +#define EOVERFLOW 75 /* Value too large for defined data type */ +#define ENOTUNIQ 76 /* Name not unique on network */ +#define EBADFD 77 /* File descriptor in bad state */ +#define EREMCHG 78 /* Remote address changed */ +#define ELIBACC 79 /* Can not access a needed shared library */ +#define ELIBBAD 80 /* Accessing a corrupted shared library */ +#define ELIBSCN 81 /* .lib section in a.out corrupted */ +#define ELIBMAX 82 /* Attempting to link in too many shared libraries */ +#define ELIBEXEC 83 /* Cannot exec a shared library directly */ +#define EILSEQ 84 /* Illegal byte sequence */ +#define ERESTART 85 /* Interrupted system call should be restarted */ +#define ESTRPIPE 86 /* Streams pipe error */ +#define EUSERS 87 /* Too many users */ +#define ENOTSOCK 88 /* Socket operation on non-socket */ +#define EDESTADDRREQ 89 /* Destination address required */ +#define EMSGSIZE 90 /* Message too long */ +#define EPROTOTYPE 91 /* Protocol wrong type for socket */ +#define ENOPROTOOPT 92 /* Protocol not available */ +#define EPROTONOSUPPORT 93 /* Protocol not supported */ +#define ESOCKTNOSUPPORT 94 /* Socket type not supported */ +#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */ +#define EPFNOSUPPORT 96 /* Protocol family not supported */ +#define EAFNOSUPPORT 97 /* Address family not supported by protocol */ +#define EADDRINUSE 98 /* Address already in use */ +#define EADDRNOTAVAIL 99 /* Cannot assign requested address */ +#define ENETDOWN 100 /* Network is down */ +#define ENETUNREACH 101 /* Network is unreachable */ +#define ENETRESET 102 /* Network dropped connection because of reset */ +#define ECONNABORTED 103 /* Software caused connection abort */ +#define ECONNRESET 104 /* Connection reset by peer */ +#define ENOBUFS 105 /* No buffer space available */ +#define EISCONN 106 /* Transport endpoint is already connected */ +#define ENOTCONN 107 /* Transport endpoint is not connected */ +#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */ +#define ETOOMANYREFS 109 /* Too many references: cannot splice */ +#define ETIMEDOUT 110 /* Connection timed out */ +#define ECONNREFUSED 111 /* Connection refused */ +#define EHOSTDOWN 112 /* Host is down */ +#define EHOSTUNREACH 113 /* No route to host */ +#define EALREADY 114 /* Operation already in progress */ +#define EINPROGRESS 115 /* Operation now in progress */ +#define ESTALE 116 /* Stale file handle */ +#define EUCLEAN 117 /* Structure needs cleaning */ +#define ENOTNAM 118 /* Not a XENIX named type file */ +#define ENAVAIL 119 /* No XENIX semaphores available */ +#define EISNAM 120 /* Is a named type file */ +#define EREMOTEIO 121 /* Remote I/O error */ +#define EDQUOT 122 /* Quota exceeded */ + +#define ENOMEDIUM 123 /* No medium found */ +#define EMEDIUMTYPE 124 /* Wrong medium type */ +#define ECANCELED 125 /* Operation Canceled */ +#define ENOKEY 126 /* Required key not available */ +#define EKEYEXPIRED 127 /* Key has expired */ +#define EKEYREVOKED 128 /* Key has been revoked */ +#define EKEYREJECTED 129 /* Key was rejected by service */ + +/* for robust mutexes */ +#define EOWNERDEAD 130 /* Owner died */ +#define ENOTRECOVERABLE 131 /* State not recoverable */ + +#define ERFKILL 132 /* Operation not possible due to RF-kill */ + +#define EHWPOISON 133 /* Memory page has hardware error */ + +#endif diff --git a/tools/include/asm/posix_types.h b/tools/include/asm/posix_types.h new file mode 100644 index 0000000000..10f5e6ef4a --- /dev/null +++ b/tools/include/asm/posix_types.h @@ -0,0 +1,100 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __ASM_GENERIC_POSIX_TYPES_H +#define __ASM_GENERIC_POSIX_TYPES_H + +#include + +/* + * This file is generally used by user-level software, so you need to + * be a little careful about namespace pollution etc. + * + * First the types that are often defined in different ways across + * architectures, so that you can override them. + */ + +#ifndef __kernel_long_t +typedef long __kernel_long_t; +typedef unsigned long __kernel_ulong_t; +#endif + +#ifndef __kernel_ino_t +typedef __kernel_ulong_t __kernel_ino_t; +#endif + +#ifndef __kernel_mode_t +typedef unsigned int __kernel_mode_t; +#endif + +#ifndef __kernel_pid_t +typedef int __kernel_pid_t; +#endif + +#ifndef __kernel_ipc_pid_t +typedef int __kernel_ipc_pid_t; +#endif + +#ifndef __kernel_uid_t +typedef unsigned int __kernel_uid_t; +typedef unsigned int __kernel_gid_t; +#endif + +#ifndef __kernel_suseconds_t +typedef __kernel_long_t __kernel_suseconds_t; +#endif + +#ifndef __kernel_daddr_t +typedef int __kernel_daddr_t; +#endif + +#ifndef __kernel_uid32_t +typedef unsigned int __kernel_uid32_t; +typedef unsigned int __kernel_gid32_t; +#endif + +#ifndef __kernel_old_uid_t +typedef __kernel_uid_t __kernel_old_uid_t; +typedef __kernel_gid_t __kernel_old_gid_t; +#endif + +#ifndef __kernel_old_dev_t +typedef unsigned int __kernel_old_dev_t; +#endif + +/* + * Most 32 bit architectures use "unsigned int" size_t, + * and all 64 bit architectures use "unsigned long" size_t. + */ +#ifndef __kernel_size_t +#if __BITS_PER_LONG != 64 +typedef unsigned int __kernel_size_t; +typedef int __kernel_ssize_t; +typedef int __kernel_ptrdiff_t; +#else +typedef __kernel_ulong_t __kernel_size_t; +typedef __kernel_long_t __kernel_ssize_t; +typedef __kernel_long_t __kernel_ptrdiff_t; +#endif +#endif + +#ifndef __kernel_fsid_t +typedef struct { + int val[2]; +} __kernel_fsid_t; +#endif + +/* + * anything below here should be completely generic + */ +typedef __kernel_long_t __kernel_off_t; +typedef long long __kernel_loff_t; +typedef __kernel_long_t __kernel_old_time_t; +typedef __kernel_long_t __kernel_time_t; +typedef long long __kernel_time64_t; +typedef __kernel_long_t __kernel_clock_t; +typedef int __kernel_timer_t; +typedef int __kernel_clockid_t; +typedef char * __kernel_caddr_t; +typedef unsigned short __kernel_uid16_t; +typedef unsigned short __kernel_gid16_t; + +#endif /* __ASM_GENERIC_POSIX_TYPES_H */ diff --git a/tools/include/asm/swab.h b/tools/include/asm/swab.h new file mode 100644 index 0000000000..f2da4e4fd4 --- /dev/null +++ b/tools/include/asm/swab.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASM_GENERIC_SWAB_H +#define _ASM_GENERIC_SWAB_H + +#include + +/* + * 32 bit architectures typically (but not always) want to + * set __SWAB_64_THRU_32__. In user space, this is only + * valid if the compiler supports 64 bit data types. + */ + +#if __BITS_PER_LONG == 32 +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) +#define __SWAB_64_THRU_32__ +#endif +#endif + +#endif /* _ASM_GENERIC_SWAB_H */ diff --git a/tools/include/linux/big_endian.h b/tools/include/linux/big_endian.h new file mode 100644 index 0000000000..3bb87c573c --- /dev/null +++ b/tools/include/linux/big_endian.h @@ -0,0 +1,107 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _LINUX_BYTEORDER_BIG_ENDIAN_H +#define _LINUX_BYTEORDER_BIG_ENDIAN_H + +#ifndef __BIG_ENDIAN +#define __BIG_ENDIAN 4321 +#endif +#ifndef __BIG_ENDIAN_BITFIELD +#define __BIG_ENDIAN_BITFIELD +#endif + +#include +#include +#include + +#define __constant_htonl(x) ((__be32)(__u32)(x)) +#define __constant_ntohl(x) ((__u32)(__be32)(x)) +#define __constant_htons(x) ((__be16)(__u16)(x)) +#define __constant_ntohs(x) ((__u16)(__be16)(x)) +#define __constant_cpu_to_le64(x) ((__le64)___constant_swab64((x))) +#define __constant_le64_to_cpu(x) ___constant_swab64((__u64)(__le64)(x)) +#define __constant_cpu_to_le32(x) ((__le32)___constant_swab32((x))) +#define __constant_le32_to_cpu(x) ___constant_swab32((__u32)(__le32)(x)) +#define __constant_cpu_to_le16(x) ((__le16)___constant_swab16((x))) +#define __constant_le16_to_cpu(x) ___constant_swab16((__u16)(__le16)(x)) +#define __constant_cpu_to_be64(x) ((__be64)(__u64)(x)) +#define __constant_be64_to_cpu(x) ((__u64)(__be64)(x)) +#define __constant_cpu_to_be32(x) ((__be32)(__u32)(x)) +#define __constant_be32_to_cpu(x) ((__u32)(__be32)(x)) +#define __constant_cpu_to_be16(x) ((__be16)(__u16)(x)) +#define __constant_be16_to_cpu(x) ((__u16)(__be16)(x)) +#define __cpu_to_le64(x) ((__le64)__swab64((x))) +#define __le64_to_cpu(x) __swab64((__u64)(__le64)(x)) +#define __cpu_to_le32(x) ((__le32)__swab32((x))) +#define __le32_to_cpu(x) __swab32((__u32)(__le32)(x)) +#define __cpu_to_le16(x) ((__le16)__swab16((x))) +#define __le16_to_cpu(x) __swab16((__u16)(__le16)(x)) +#define __cpu_to_be64(x) ((__be64)(__u64)(x)) +#define __be64_to_cpu(x) ((__u64)(__be64)(x)) +#define __cpu_to_be32(x) ((__be32)(__u32)(x)) +#define __be32_to_cpu(x) ((__u32)(__be32)(x)) +#define __cpu_to_be16(x) ((__be16)(__u16)(x)) +#define __be16_to_cpu(x) ((__u16)(__be16)(x)) + +static __always_inline __le64 __cpu_to_le64p(const __u64 *p) +{ + return (__le64)__swab64p(p); +} +static __always_inline __u64 __le64_to_cpup(const __le64 *p) +{ + return __swab64p((__u64 *)p); +} +static __always_inline __le32 __cpu_to_le32p(const __u32 *p) +{ + return (__le32)__swab32p(p); +} +static __always_inline __u32 __le32_to_cpup(const __le32 *p) +{ + return __swab32p((__u32 *)p); +} +static __always_inline __le16 __cpu_to_le16p(const __u16 *p) +{ + return (__le16)__swab16p(p); +} +static __always_inline __u16 __le16_to_cpup(const __le16 *p) +{ + return __swab16p((__u16 *)p); +} +static __always_inline __be64 __cpu_to_be64p(const __u64 *p) +{ + return (__be64)*p; +} +static __always_inline __u64 __be64_to_cpup(const __be64 *p) +{ + return (__u64)*p; +} +static __always_inline __be32 __cpu_to_be32p(const __u32 *p) +{ + return (__be32)*p; +} +static __always_inline __u32 __be32_to_cpup(const __be32 *p) +{ + return (__u32)*p; +} +static __always_inline __be16 __cpu_to_be16p(const __u16 *p) +{ + return (__be16)*p; +} +static __always_inline __u16 __be16_to_cpup(const __be16 *p) +{ + return (__u16)*p; +} +#define __cpu_to_le64s(x) __swab64s((x)) +#define __le64_to_cpus(x) __swab64s((x)) +#define __cpu_to_le32s(x) __swab32s((x)) +#define __le32_to_cpus(x) __swab32s((x)) +#define __cpu_to_le16s(x) __swab16s((x)) +#define __le16_to_cpus(x) __swab16s((x)) +#define __cpu_to_be64s(x) do { (void)(x); } while (0) +#define __be64_to_cpus(x) do { (void)(x); } while (0) +#define __cpu_to_be32s(x) do { (void)(x); } while (0) +#define __be32_to_cpus(x) do { (void)(x); } while (0) +#define __cpu_to_be16s(x) do { (void)(x); } while (0) +#define __be16_to_cpus(x) do { (void)(x); } while (0) + + +#endif /* _LINUX_BYTEORDER_BIG_ENDIAN_H */ diff --git a/tools/include/linux/errno.h b/tools/include/linux/errno.h new file mode 100644 index 0000000000..70f2bd34e3 --- /dev/null +++ b/tools/include/linux/errno.h @@ -0,0 +1 @@ +#include diff --git a/tools/include/linux/little_endian.h b/tools/include/linux/little_endian.h new file mode 100644 index 0000000000..ba6c199c9b --- /dev/null +++ b/tools/include/linux/little_endian.h @@ -0,0 +1,107 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _LINUX_BYTEORDER_LITTLE_ENDIAN_H +#define _LINUX_BYTEORDER_LITTLE_ENDIAN_H + +#ifndef __LITTLE_ENDIAN +#define __LITTLE_ENDIAN 1234 +#endif +#ifndef __LITTLE_ENDIAN_BITFIELD +#define __LITTLE_ENDIAN_BITFIELD +#endif + +#include +#include +#include + +#define __constant_htonl(x) ((__be32)___constant_swab32((x))) +#define __constant_ntohl(x) ___constant_swab32((__be32)(x)) +#define __constant_htons(x) ((__be16)___constant_swab16((x))) +#define __constant_ntohs(x) ___constant_swab16((__be16)(x)) +#define __constant_cpu_to_le64(x) ((__le64)(__u64)(x)) +#define __constant_le64_to_cpu(x) ((__u64)(__le64)(x)) +#define __constant_cpu_to_le32(x) ((__le32)(__u32)(x)) +#define __constant_le32_to_cpu(x) ((__u32)(__le32)(x)) +#define __constant_cpu_to_le16(x) ((__le16)(__u16)(x)) +#define __constant_le16_to_cpu(x) ((__u16)(__le16)(x)) +#define __constant_cpu_to_be64(x) ((__be64)___constant_swab64((x))) +#define __constant_be64_to_cpu(x) ___constant_swab64((__u64)(__be64)(x)) +#define __constant_cpu_to_be32(x) ((__be32)___constant_swab32((x))) +#define __constant_be32_to_cpu(x) ___constant_swab32((__u32)(__be32)(x)) +#define __constant_cpu_to_be16(x) ((__be16)___constant_swab16((x))) +#define __constant_be16_to_cpu(x) ___constant_swab16((__u16)(__be16)(x)) +#define __cpu_to_le64(x) ((__le64)(__u64)(x)) +#define __le64_to_cpu(x) ((__u64)(__le64)(x)) +#define __cpu_to_le32(x) ((__le32)(__u32)(x)) +#define __le32_to_cpu(x) ((__u32)(__le32)(x)) +#define __cpu_to_le16(x) ((__le16)(__u16)(x)) +#define __le16_to_cpu(x) ((__u16)(__le16)(x)) +#define __cpu_to_be64(x) ((__be64)__swab64((x))) +#define __be64_to_cpu(x) __swab64((__u64)(__be64)(x)) +#define __cpu_to_be32(x) ((__be32)__swab32((x))) +#define __be32_to_cpu(x) __swab32((__u32)(__be32)(x)) +#define __cpu_to_be16(x) ((__be16)__swab16((x))) +#define __be16_to_cpu(x) __swab16((__u16)(__be16)(x)) + +static __always_inline __le64 __cpu_to_le64p(const __u64 *p) +{ + return (__le64)*p; +} +static __always_inline __u64 __le64_to_cpup(const __le64 *p) +{ + return (__u64)*p; +} +static __always_inline __le32 __cpu_to_le32p(const __u32 *p) +{ + return (__le32)*p; +} +static __always_inline __u32 __le32_to_cpup(const __le32 *p) +{ + return (__u32)*p; +} +static __always_inline __le16 __cpu_to_le16p(const __u16 *p) +{ + return (__le16)*p; +} +static __always_inline __u16 __le16_to_cpup(const __le16 *p) +{ + return (__u16)*p; +} +static __always_inline __be64 __cpu_to_be64p(const __u64 *p) +{ + return (__be64)__swab64p(p); +} +static __always_inline __u64 __be64_to_cpup(const __be64 *p) +{ + return __swab64p((__u64 *)p); +} +static __always_inline __be32 __cpu_to_be32p(const __u32 *p) +{ + return (__be32)__swab32p(p); +} +static __always_inline __u32 __be32_to_cpup(const __be32 *p) +{ + return __swab32p((__u32 *)p); +} +static __always_inline __be16 __cpu_to_be16p(const __u16 *p) +{ + return (__be16)__swab16p(p); +} +static __always_inline __u16 __be16_to_cpup(const __be16 *p) +{ + return __swab16p((__u16 *)p); +} +#define __cpu_to_le64s(x) do { (void)(x); } while (0) +#define __le64_to_cpus(x) do { (void)(x); } while (0) +#define __cpu_to_le32s(x) do { (void)(x); } while (0) +#define __le32_to_cpus(x) do { (void)(x); } while (0) +#define __cpu_to_le16s(x) do { (void)(x); } while (0) +#define __le16_to_cpus(x) do { (void)(x); } while (0) +#define __cpu_to_be64s(x) __swab64s((x)) +#define __be64_to_cpus(x) __swab64s((x)) +#define __cpu_to_be32s(x) __swab32s((x)) +#define __be32_to_cpus(x) __swab32s((x)) +#define __cpu_to_be16s(x) __swab16s((x)) +#define __be16_to_cpus(x) __swab16s((x)) + + +#endif /* _LINUX_BYTEORDER_LITTLE_ENDIAN_H */ diff --git a/tools/include/linux/stddef.h b/tools/include/linux/stddef.h new file mode 100644 index 0000000000..e3d20e76b1 --- /dev/null +++ b/tools/include/linux/stddef.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI_LINUX_STDDEF_H +#define _UAPI_LINUX_STDDEF_H + +#ifndef __always_inline +#define __always_inline inline +#endif + +/** + * __struct_group() - Create a mirrored named and anonyomous struct + * + * @TAG: The tag name for the named sub-struct (usually empty) + * @NAME: The identifier name of the mirrored sub-struct + * @ATTRS: Any struct attributes (usually empty) + * @MEMBERS: The member declarations for the mirrored structs + * + * Used to create an anonymous union of two structs with identical layout + * and size: one anonymous and one named. The former's members can be used + * normally without sub-struct naming, and the latter can be used to + * reason about the start, end, and size of the group of struct members. + * The named struct can also be explicitly tagged for layer reuse, as well + * as both having struct attributes appended. + */ +#define __struct_group(TAG, NAME, ATTRS, MEMBERS...) \ + union { \ + struct { MEMBERS } ATTRS; \ + struct TAG { MEMBERS } ATTRS NAME; \ + } ATTRS + +#ifdef __cplusplus +/* sizeof(struct{}) is 1 in C++, not 0, can't use C version of the macro. */ +#define __DECLARE_FLEX_ARRAY(T, member) \ + T member[0] +#else +/** + * __DECLARE_FLEX_ARRAY() - Declare a flexible array usable in a union + * + * @TYPE: The type of each flexible array element + * @NAME: The name of the flexible array member + * + * In order to have a flexible array member in a union or alone in a + * struct, it needs to be wrapped in an anonymous struct with at least 1 + * named member, but that member can be empty. + */ +#define __DECLARE_FLEX_ARRAY(TYPE, NAME) \ + struct { \ + struct { } __empty_ ## NAME; \ + TYPE NAME[]; \ + } +#endif + +#ifndef __counted_by +#define __counted_by(m) +#endif + +#endif /* _UAPI_LINUX_STDDEF_H */ diff --git a/tools/include/linux/swab.h b/tools/include/linux/swab.h new file mode 100644 index 0000000000..7e3bad56cf --- /dev/null +++ b/tools/include/linux/swab.h @@ -0,0 +1,305 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _LINUX_SWAB_H +#define _LINUX_SWAB_H + +#include +#include +#include +#include + +/* + * casts are necessary for constants, because we never know how for sure + * how U/UL/ULL map to __u16, __u32, __u64. At least not in a portable way. + */ +#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))) + +/* + * Implement the following as inlines, but define the interface using + * macros to allow constant folding when possible: + * ___swab16, ___swab32, ___swab64, ___swahw32, ___swahb32 + */ + +static __inline__ __u16 __fswab16(__u16 val) +{ +#if defined (__arch_swab16) + return __arch_swab16(val); +#else + return ___constant_swab16(val); +#endif +} + +static __inline__ __u32 __fswab32(__u32 val) +{ +#if defined(__arch_swab32) + return __arch_swab32(val); +#else + return ___constant_swab32(val); +#endif +} + +static __inline__ __u64 __fswab64(__u64 val) +{ +#if defined (__arch_swab64) + return __arch_swab64(val); +#elif defined(__SWAB_64_THRU_32__) + __u32 h = val >> 32; + __u32 l = val & ((1ULL << 32) - 1); + return (((__u64)__fswab32(l)) << 32) | ((__u64)(__fswab32(h))); +#else + return ___constant_swab64(val); +#endif +} + +static __inline__ __u32 __fswahw32(__u32 val) +{ +#ifdef __arch_swahw32 + return __arch_swahw32(val); +#else + return ___constant_swahw32(val); +#endif +} + +static __inline__ __u32 __fswahb32(__u32 val) +{ +#ifdef __arch_swahb32 + return __arch_swahb32(val); +#else + return ___constant_swahb32(val); +#endif +} + +/** + * __swab16 - return a byteswapped 16-bit value + * @x: value to byteswap + */ +#ifdef __HAVE_BUILTIN_BSWAP16__ +#define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) +#else +#define __swab16(x) \ + (__u16)(__builtin_constant_p(x) ? \ + ___constant_swab16(x) : \ + __fswab16(x)) +#endif + +/** + * __swab32 - return a byteswapped 32-bit value + * @x: value to byteswap + */ +#ifdef __HAVE_BUILTIN_BSWAP32__ +#define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) +#else +#define __swab32(x) \ + (__u32)(__builtin_constant_p(x) ? \ + ___constant_swab32(x) : \ + __fswab32(x)) +#endif + +/** + * __swab64 - return a byteswapped 64-bit value + * @x: value to byteswap + */ +#ifdef __HAVE_BUILTIN_BSWAP64__ +#define __swab64(x) (__u64)__builtin_bswap64((__u64)(x)) +#else +#define __swab64(x) \ + (__u64)(__builtin_constant_p(x) ? \ + ___constant_swab64(x) : \ + __fswab64(x)) +#endif + +static __always_inline unsigned long __swab(const unsigned long y) +{ +#if __BITS_PER_LONG == 64 + return __swab64(y); +#else /* __BITS_PER_LONG == 32 */ + return __swab32(y); +#endif +} + +/** + * __swahw32 - return a word-swapped 32-bit value + * @x: value to wordswap + * + * __swahw32(0x12340000) is 0x00001234 + */ +#define __swahw32(x) \ + (__builtin_constant_p((__u32)(x)) ? \ + ___constant_swahw32(x) : \ + __fswahw32(x)) + +/** + * __swahb32 - return a high and low byte-swapped 32-bit value + * @x: value to byteswap + * + * __swahb32(0x12345678) is 0x34127856 + */ +#define __swahb32(x) \ + (__builtin_constant_p((__u32)(x)) ? \ + ___constant_swahb32(x) : \ + __fswahb32(x)) + +/** + * __swab16p - return a byteswapped 16-bit value from a pointer + * @p: pointer to a naturally-aligned 16-bit value + */ +static __always_inline __u16 __swab16p(const __u16 *p) +{ +#ifdef __arch_swab16p + return __arch_swab16p(p); +#else + return __swab16(*p); +#endif +} + +/** + * __swab32p - return a byteswapped 32-bit value from a pointer + * @p: pointer to a naturally-aligned 32-bit value + */ +static __always_inline __u32 __swab32p(const __u32 *p) +{ +#ifdef __arch_swab32p + return __arch_swab32p(p); +#else + return __swab32(*p); +#endif +} + +/** + * __swab64p - return a byteswapped 64-bit value from a pointer + * @p: pointer to a naturally-aligned 64-bit value + */ +static __always_inline __u64 __swab64p(const __u64 *p) +{ +#ifdef __arch_swab64p + return __arch_swab64p(p); +#else + return __swab64(*p); +#endif +} + +/** + * __swahw32p - return a wordswapped 32-bit value from a pointer + * @p: pointer to a naturally-aligned 32-bit value + * + * See __swahw32() for details of wordswapping. + */ +static __inline__ __u32 __swahw32p(const __u32 *p) +{ +#ifdef __arch_swahw32p + return __arch_swahw32p(p); +#else + return __swahw32(*p); +#endif +} + +/** + * __swahb32p - return a high and low byteswapped 32-bit value from a pointer + * @p: pointer to a naturally-aligned 32-bit value + * + * See __swahb32() for details of high/low byteswapping. + */ +static __inline__ __u32 __swahb32p(const __u32 *p) +{ +#ifdef __arch_swahb32p + return __arch_swahb32p(p); +#else + return __swahb32(*p); +#endif +} + +/** + * __swab16s - byteswap a 16-bit value in-place + * @p: pointer to a naturally-aligned 16-bit value + */ +static __inline__ void __swab16s(__u16 *p) +{ +#ifdef __arch_swab16s + __arch_swab16s(p); +#else + *p = __swab16p(p); +#endif +} +/** + * __swab32s - byteswap a 32-bit value in-place + * @p: pointer to a naturally-aligned 32-bit value + */ +static __always_inline void __swab32s(__u32 *p) +{ +#ifdef __arch_swab32s + __arch_swab32s(p); +#else + *p = __swab32p(p); +#endif +} + +/** + * __swab64s - byteswap a 64-bit value in-place + * @p: pointer to a naturally-aligned 64-bit value + */ +static __always_inline void __swab64s(__u64 *p) +{ +#ifdef __arch_swab64s + __arch_swab64s(p); +#else + *p = __swab64p(p); +#endif +} + +/** + * __swahw32s - wordswap a 32-bit value in-place + * @p: pointer to a naturally-aligned 32-bit value + * + * See __swahw32() for details of wordswapping + */ +static __inline__ void __swahw32s(__u32 *p) +{ +#ifdef __arch_swahw32s + __arch_swahw32s(p); +#else + *p = __swahw32p(p); +#endif +} + +/** + * __swahb32s - high and low byteswap a 32-bit value in-place + * @p: pointer to a naturally-aligned 32-bit value + * + * See __swahb32() for details of high and low byte swapping + */ +static __inline__ void __swahb32s(__u32 *p) +{ +#ifdef __arch_swahb32s + __arch_swahb32s(p); +#else + *p = __swahb32p(p); +#endif +} + + +#endif /* _LINUX_SWAB_H */