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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/asm-generic/compat.h
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/* SPDX-License-Identifier: GPL-2.0 */

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#ifndef __ASM_GENERIC_COMPAT_H

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#define __ASM_GENERIC_COMPAT_H

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#ifndef COMPAT_USER_HZ

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#define COMPAT_USER_HZ		100

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#endif

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#ifndef COMPAT_RLIM_INFINITY

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#define COMPAT_RLIM_INFINITY	0xffffffff

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#endif

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#ifndef COMPAT_OFF_T_MAX

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#define COMPAT_OFF_T_MAX	0x7fffffff

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#endif

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#ifndef compat_arg_u64

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#ifndef CONFIG_CPU_BIG_ENDIAN

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#define compat_arg_u64(name)		u32  name##_lo, u32  name##_hi

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#define compat_arg_u64_dual(name)	u32, name##_lo, u32, name##_hi

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#else

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#define compat_arg_u64(name)		u32  name##_hi, u32  name##_lo

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#define compat_arg_u64_dual(name)	u32, name##_hi, u32, name##_lo

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#endif

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#define compat_arg_u64_glue(name)	(((u64)name##_lo & 0xffffffffUL) | \

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					 ((u64)name##_hi << 32))

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#endif /* compat_arg_u64 */

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/* These types are common across all compat ABIs */

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typedef u32 compat_size_t;

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typedef s32 compat_ssize_t;

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typedef s32 compat_clock_t;

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typedef s32 compat_pid_t;

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typedef u32 compat_ino_t;

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typedef s32 compat_off_t;

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typedef s64 compat_loff_t;

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typedef s32 compat_daddr_t;

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typedef s32 compat_timer_t;

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typedef s32 compat_key_t;

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typedef s16 compat_short_t;

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typedef s32 compat_int_t;

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typedef s32 compat_long_t;

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typedef u16 compat_ushort_t;

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typedef u32 compat_uint_t;

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typedef u32 compat_ulong_t;

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typedef u32 compat_uptr_t;

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typedef u32 compat_caddr_t;

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typedef u32 compat_aio_context_t;

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typedef u32 compat_old_sigset_t;

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#ifndef __compat_uid_t

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typedef u32 __compat_uid_t;

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typedef u32 __compat_gid_t;

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#endif

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#ifndef __compat_uid32_t

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typedef u32 __compat_uid32_t;

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typedef u32 __compat_gid32_t;

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#endif

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#ifndef compat_mode_t

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typedef u32 compat_mode_t;

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#endif

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#ifdef CONFIG_COMPAT_FOR_U64_ALIGNMENT

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typedef s64 __attribute__((aligned(4))) compat_s64;

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typedef u64 __attribute__((aligned(4))) compat_u64;

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#else

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typedef s64 compat_s64;

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typedef u64 compat_u64;

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#endif

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#ifndef _COMPAT_NSIG

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typedef u32 compat_sigset_word;

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#define _COMPAT_NSIG _NSIG

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#define _COMPAT_NSIG_BPW 32

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#endif

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#ifndef compat_dev_t

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typedef u32 compat_dev_t;

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#endif

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#ifndef compat_ipc_pid_t

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typedef s32 compat_ipc_pid_t;

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#endif

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#ifndef compat_fsid_t

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typedef __kernel_fsid_t	compat_fsid_t;

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#endif

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#ifndef compat_statfs

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struct compat_statfs {

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	compat_int_t	f_type;

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	compat_int_t	f_bsize;

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	compat_int_t	f_blocks;

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	compat_int_t	f_bfree;

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	compat_int_t	f_bavail;

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	compat_int_t	f_files;

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	compat_int_t	f_ffree;

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	compat_fsid_t	f_fsid;

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	compat_int_t	f_namelen;

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	compat_int_t	f_frsize;

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	compat_int_t	f_flags;

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	compat_int_t	f_spare[4];

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};

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#endif

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#ifndef compat_ipc64_perm

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struct compat_ipc64_perm {

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	compat_key_t key;

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	__compat_uid32_t uid;

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	__compat_gid32_t gid;

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	__compat_uid32_t cuid;

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	__compat_gid32_t cgid;

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	compat_mode_t	mode;

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	unsigned char	__pad1[4 - sizeof(compat_mode_t)];

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	compat_ushort_t	seq;

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	compat_ushort_t	__pad2;

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	compat_ulong_t	unused1;

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	compat_ulong_t	unused2;

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};

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struct compat_semid64_ds {

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	struct compat_ipc64_perm sem_perm;

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	compat_ulong_t sem_otime;

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	compat_ulong_t sem_otime_high;

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	compat_ulong_t sem_ctime;

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	compat_ulong_t sem_ctime_high;

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	compat_ulong_t sem_nsems;

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	compat_ulong_t __unused3;

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	compat_ulong_t __unused4;

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};

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struct compat_msqid64_ds {

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	struct compat_ipc64_perm msg_perm;

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	compat_ulong_t msg_stime;

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	compat_ulong_t msg_stime_high;

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	compat_ulong_t msg_rtime;

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	compat_ulong_t msg_rtime_high;

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	compat_ulong_t msg_ctime;

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	compat_ulong_t msg_ctime_high;

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	compat_ulong_t msg_cbytes;

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	compat_ulong_t msg_qnum;

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	compat_ulong_t msg_qbytes;

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	compat_pid_t   msg_lspid;

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	compat_pid_t   msg_lrpid;

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	compat_ulong_t __unused4;

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	compat_ulong_t __unused5;

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};

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struct compat_shmid64_ds {

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	struct compat_ipc64_perm shm_perm;

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	compat_size_t  shm_segsz;

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	compat_ulong_t shm_atime;

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	compat_ulong_t shm_atime_high;

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	compat_ulong_t shm_dtime;

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	compat_ulong_t shm_dtime_high;

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	compat_ulong_t shm_ctime;

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	compat_ulong_t shm_ctime_high;

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	compat_pid_t   shm_cpid;

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	compat_pid_t   shm_lpid;

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	compat_ulong_t shm_nattch;

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	compat_ulong_t __unused4;

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	compat_ulong_t __unused5;

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};

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#endif

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#endif

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