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#ifndef _ASM_X86_64_COMPAT_H
#define _ASM_X86_64_COMPAT_H
/*
* Architecture specific compatibility types
*/
#include <linux/types.h>
#include <linux/sched.h>
#define COMPAT_USER_HZ 100
typedef u32 compat_size_t;
typedef s32 compat_ssize_t;
typedef s32 compat_time_t;
typedef s32 compat_clock_t;
typedef s32 compat_pid_t;
typedef u16 __compat_uid_t;
typedef u16 __compat_gid_t;
typedef u32 __compat_uid32_t;
typedef u32 __compat_gid32_t;
typedef u16 compat_mode_t;
typedef u32 compat_ino_t;
typedef u16 compat_dev_t;
typedef s32 compat_off_t;
typedef s64 compat_loff_t;
typedef u16 compat_nlink_t;
typedef u16 compat_ipc_pid_t;
typedef s32 compat_daddr_t;
typedef u32 compat_caddr_t;
typedef __kernel_fsid_t compat_fsid_t;
typedef s32 compat_timer_t;
typedef s32 compat_key_t;
typedef s32 compat_int_t;
typedef s32 compat_long_t;
typedef u32 compat_uint_t;
typedef u32 compat_ulong_t;
struct compat_timespec {
compat_time_t tv_sec;
s32 tv_nsec;
};
struct compat_timeval {
compat_time_t tv_sec;
s32 tv_usec;
};
struct compat_stat {
compat_dev_t st_dev;
u16 __pad1;
compat_ino_t st_ino;
compat_mode_t st_mode;
compat_nlink_t st_nlink;
__compat_uid_t st_uid;
__compat_gid_t st_gid;
compat_dev_t st_rdev;
u16 __pad2;
u32 st_size;
u32 st_blksize;
u32 st_blocks;
u32 st_atime;
u32 st_atime_nsec;
u32 st_mtime;
u32 st_mtime_nsec;
u32 st_ctime;
u32 st_ctime_nsec;
u32 __unused4;
u32 __unused5;
};
struct compat_flock {
short l_type;
short l_whence;
compat_off_t l_start;
compat_off_t l_len;
compat_pid_t l_pid;
};
#define F_GETLK64 12 /* using 'struct flock64' */
#define F_SETLK64 13
#define F_SETLKW64 14
/*
* IA32 uses 4 byte alignment for 64 bit quantities,
* so we need to pack this structure.
*/
struct compat_flock64 {
short l_type;
short l_whence;
compat_loff_t l_start;
compat_loff_t l_len;
compat_pid_t l_pid;
} __attribute__((packed));
struct compat_statfs {
int f_type;
int f_bsize;
int f_blocks;
int f_bfree;
int f_bavail;
int f_files;
int f_ffree;
compat_fsid_t f_fsid;
int f_namelen; /* SunOS ignores this field. */
int f_frsize;
int f_spare[5];
};
#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
#define COMPAT_RLIM_INFINITY 0xffffffff
typedef u32 compat_old_sigset_t; /* at least 32 bits */
#define _COMPAT_NSIG 64
#define _COMPAT_NSIG_BPW 32
typedef u32 compat_sigset_word;
#define COMPAT_OFF_T_MAX 0x7fffffff
#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
struct compat_ipc64_perm {
compat_key_t key;
__compat_uid32_t uid;
__compat_gid32_t gid;
__compat_uid32_t cuid;
__compat_gid32_t cgid;
unsigned short mode;
unsigned short __pad1;
unsigned short seq;
unsigned short __pad2;
compat_ulong_t unused1;
compat_ulong_t unused2;
};
struct compat_semid64_ds {
struct compat_ipc64_perm sem_perm;
compat_time_t sem_otime;
compat_ulong_t __unused1;
compat_time_t sem_ctime;
compat_ulong_t __unused2;
compat_ulong_t sem_nsems;
compat_ulong_t __unused3;
compat_ulong_t __unused4;
};
struct compat_msqid64_ds {
struct compat_ipc64_perm msg_perm;
compat_time_t msg_stime;
compat_ulong_t __unused1;
compat_time_t msg_rtime;
compat_ulong_t __unused2;
compat_time_t msg_ctime;
compat_ulong_t __unused3;
compat_ulong_t msg_cbytes;
compat_ulong_t msg_qnum;
compat_ulong_t msg_qbytes;
compat_pid_t msg_lspid;
compat_pid_t msg_lrpid;
compat_ulong_t __unused4;
compat_ulong_t __unused5;
};
struct compat_shmid64_ds {
struct compat_ipc64_perm shm_perm;
compat_size_t shm_segsz;
compat_time_t shm_atime;
compat_ulong_t __unused1;
compat_time_t shm_dtime;
compat_ulong_t __unused2;
compat_time_t shm_ctime;
compat_ulong_t __unused3;
compat_pid_t shm_cpid;
compat_pid_t shm_lpid;
compat_ulong_t shm_nattch;
compat_ulong_t __unused4;
compat_ulong_t __unused5;
};
/*
* A pointer passed in from user mode. This should not
* be used for syscall parameters, just declare them
* as pointers because the syscall entry code will have
* appropriately comverted them already.
*/
typedef u32 compat_uptr_t;
static inline void __user *compat_ptr(compat_uptr_t uptr)
{
return (void __user *)(unsigned long)uptr;
}
static inline compat_uptr_t ptr_to_compat(void __user *uptr)
{
return (u32)(unsigned long)uptr;
}
static __inline__ void __user *compat_alloc_user_space(long len)
{
struct pt_regs *regs = (void *)current->thread.rsp0 - sizeof(struct pt_regs);
return (void __user *)regs->rsp - len;
}
#endif /* _ASM_X86_64_COMPAT_H */
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