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 * Architecture specific compatibility types
#include <linux/types.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 s16       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_key_t;
typedef s32       compat_timer_t;

typedef s32       compat_int_t;
typedef s32       compat_long_t;
typedef s64       compat_s64;
typedef u32       compat_uint_t;
typedef u32       compat_ulong_t;
typedef u64       compat_u64;

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;
      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;
      compat_off_t      st_size;
      compat_time_t     st_atime;
      compat_ulong_t    st_atime_nsec;
      compat_time_t     st_mtime;
      compat_ulong_t    st_mtime_nsec;
      compat_time_t     st_ctime;
      compat_ulong_t    st_ctime_nsec;
      compat_off_t      st_blksize;
      compat_off_t      st_blocks;
      u32         __unused4[2];

struct compat_stat64 {
      unsigned long long      st_dev;

      unsigned long long      st_ino;

      unsigned int      st_mode;
      unsigned int      st_nlink;

      unsigned int      st_uid;
      unsigned int      st_gid;

      unsigned long long      st_rdev;

      unsigned char     __pad3[8];

      long long   st_size;
      unsigned int      st_blksize;

      unsigned char     __pad4[8];
      unsigned int      st_blocks;

      unsigned int      st_atime;
      unsigned int      st_atime_nsec;

      unsigned int      st_mtime;
      unsigned int      st_mtime_nsec;

      unsigned int      st_ctime;
      unsigned int      st_ctime_nsec;

      unsigned int      __unused4;
      unsigned int      __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;
      short       __unused;

#define F_GETLK64 12
#define F_SETLK64 13
#define F_SETLKW64      14

struct compat_flock64 {
      short       l_type;
      short       l_whence;
      compat_loff_t     l_start;
      compat_loff_t     l_len;
      compat_pid_t      l_pid;
      short       __unused;

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_INFINITY 0x7fffffff

typedef u32       compat_old_sigset_t;

#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

 * 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 converted 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 = current_thread_info()->kregs;
      unsigned long usp = regs->u_regs[UREG_I6];

      if (!(test_thread_flag(TIF_32BIT)))
            usp += STACK_BIAS;
            usp &= 0xffffffffUL;

      usp -= len;
      usp &= ~0x7UL;

      return (void __user *) usp;

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 __pad1;
      compat_mode_t mode;
      unsigned short __pad2;
      unsigned short seq;
      unsigned long __unused1;      /* yes they really are 64bit pads */
      unsigned long __unused2;

struct compat_semid64_ds {
      struct compat_ipc64_perm sem_perm;
      unsigned int      __pad1;
      compat_time_t     sem_otime;
      unsigned int      __pad2;
      compat_time_t     sem_ctime;
      u32         sem_nsems;
      u32         __unused1;
      u32         __unused2;

struct compat_msqid64_ds {
      struct compat_ipc64_perm msg_perm;
      unsigned int      __pad1;
      compat_time_t     msg_stime;
      unsigned int      __pad2;
      compat_time_t     msg_rtime;
      unsigned int      __pad3;
      compat_time_t     msg_ctime;
      unsigned int      msg_cbytes;
      unsigned int      msg_qnum;
      unsigned int      msg_qbytes;
      compat_pid_t      msg_lspid;
      compat_pid_t      msg_lrpid;
      unsigned int      __unused1;
      unsigned int      __unused2;

struct compat_shmid64_ds {
      struct compat_ipc64_perm shm_perm;
      unsigned int      __pad1;
      compat_time_t     shm_atime;
      unsigned int      __pad2;
      compat_time_t     shm_dtime;
      unsigned int      __pad3;
      compat_time_t     shm_ctime;
      compat_size_t     shm_segsz;
      compat_pid_t      shm_cpid;
      compat_pid_t      shm_lpid;
      unsigned int      shm_nattch;
      unsigned int      __unused1;
      unsigned int      __unused2;

#endif /* _ASM_SPARC64_COMPAT_H */

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