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#ifndef _ASM_COMPAT_H
#define _ASM_COMPAT_H
 * Architecture specific compatibility types
#include <linux/seccomp.h>
#include <linux/thread_info.h>
#include <linux/types.h>
#include <asm/page.h>
#include <asm/ptrace.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_suseconds_t;

typedef s32       compat_pid_t;
typedef s32       __compat_uid_t;
typedef s32       __compat_gid_t;
typedef __compat_uid_t  __compat_uid32_t;
typedef __compat_gid_t  __compat_gid32_t;
typedef u32       compat_mode_t;
typedef u32       compat_ino_t;
typedef u32       compat_dev_t;
typedef s32       compat_off_t;
typedef s64       compat_loff_t;
typedef u32       compat_nlink_t;
typedef s32       compat_ipc_pid_t;
typedef s32       compat_daddr_t;
typedef s32       compat_caddr_t;
typedef struct {
      s32   val[2];
} compat_fsid_t;
typedef s32       compat_timer_t;
typedef s32       compat_key_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;
      s32         st_pad1[3];
      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;
      s32         st_pad2[2];
      compat_off_t      st_size;
      s32         st_pad3;
      compat_time_t     st_atime;
      s32         st_atime_nsec;
      compat_time_t     st_mtime;
      s32         st_mtime_nsec;
      compat_time_t     st_ctime;
      s32         st_ctime_nsec;
      s32         st_blksize;
      s32         st_blocks;
      s32         st_pad4[14];

struct compat_flock {
      short       l_type;
      short       l_whence;
      compat_off_t      l_start;
      compat_off_t      l_len;
      s32         l_sysid;
      compat_pid_t      l_pid;
      short       __unused;
      s32         pad[4];

#define F_GETLK64 33
#define F_SETLK64 34
#define F_SETLKW64      35

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

struct compat_statfs {
      int         f_type;
      int         f_bsize;
      int         f_frsize;
      int         f_blocks;
      int         f_bfree;
      int         f_files;
      int         f_ffree;
      int         f_bavail;
      compat_fsid_t     f_fsid;
      int         f_namelen;
      int         f_spare[6];

#define COMPAT_RLIM_INFINITY  0x7fffffffUL

typedef u32       compat_old_sigset_t;    /* at least 32 bits */

#define _COMPAT_NSIG          128         /* Don't ask !$@#% ...  */
#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)
      /* cast to a __user pointer via "unsigned long" makes sparse happy */
      return (void __user *)(unsigned long)(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 = (struct pt_regs *)
            ((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1;

      return (void __user *) (regs->regs[29] - len);

struct compat_ipc64_perm {
      compat_key_t key;
      __compat_uid32_t uid;
      __compat_gid32_t gid;
      __compat_uid32_t cuid;
      __compat_gid32_t cgid;
      compat_mode_t mode;
      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_time_t     sem_ctime;
      compat_ulong_t    sem_nsems;
      compat_ulong_t    __unused1;
      compat_ulong_t    __unused2;

struct compat_msqid64_ds {
      struct compat_ipc64_perm msg_perm;
      compat_ulong_t    __unused1;
      compat_time_t     msg_stime;
      compat_ulong_t    __unused1;
      compat_ulong_t    __unused2;
      compat_time_t     msg_rtime;
      compat_ulong_t    __unused2;
      compat_ulong_t    __unused3;
      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_time_t     shm_dtime;
      compat_time_t     shm_ctime;
      compat_pid_t      shm_cpid;
      compat_pid_t      shm_lpid;
      compat_ulong_t    shm_nattch;
      compat_ulong_t    __unused1;
      compat_ulong_t    __unused2;

static inline int is_compat_task(void)
      return test_thread_flag(TIF_32BIT);

#endif /* _ASM_COMPAT_H */

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