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C/C++ Source or Header  |  2008-12-24  |  3.6 KB  |  166 lines
  1. #ifndef _ASM_PARISC_COMPAT_H
  2. #define _ASM_PARISC_COMPAT_H
  3. /*
  4.  * Architecture specific compatibility types
  5.  */
  6. #include <linux/types.h>
  7. #include <linux/sched.h>
  8. #include <linux/thread_info.h>
  9.  
  10. #define COMPAT_USER_HZ 100
  11.  
  12. typedef u32    compat_size_t;
  13. typedef s32    compat_ssize_t;
  14. typedef s32    compat_time_t;
  15. typedef s32    compat_clock_t;
  16. typedef s32    compat_pid_t;
  17. typedef u32    __compat_uid_t;
  18. typedef u32    __compat_gid_t;
  19. typedef u32    __compat_uid32_t;
  20. typedef u32    __compat_gid32_t;
  21. typedef u16    compat_mode_t;
  22. typedef u32    compat_ino_t;
  23. typedef u32    compat_dev_t;
  24. typedef s32    compat_off_t;
  25. typedef s64    compat_loff_t;
  26. typedef u16    compat_nlink_t;
  27. typedef u16    compat_ipc_pid_t;
  28. typedef s32    compat_daddr_t;
  29. typedef u32    compat_caddr_t;
  30. typedef s32    compat_timer_t;
  31.  
  32. typedef s32    compat_int_t;
  33. typedef s32    compat_long_t;
  34. typedef s64    compat_s64;
  35. typedef u32    compat_uint_t;
  36. typedef u32    compat_ulong_t;
  37. typedef u64    compat_u64;
  38.  
  39. struct compat_timespec {
  40.     compat_time_t        tv_sec;
  41.     s32            tv_nsec;
  42. };
  43.  
  44. struct compat_timeval {
  45.     compat_time_t        tv_sec;
  46.     s32            tv_usec;
  47. };
  48.  
  49. struct compat_stat {
  50.     compat_dev_t        st_dev;    /* dev_t is 32 bits on parisc */
  51.     compat_ino_t        st_ino;    /* 32 bits */
  52.     compat_mode_t        st_mode;    /* 16 bits */
  53.     compat_nlink_t      st_nlink;    /* 16 bits */
  54.     u16            st_reserved1;    /* old st_uid */
  55.     u16            st_reserved2;    /* old st_gid */
  56.     compat_dev_t        st_rdev;
  57.     compat_off_t        st_size;
  58.     compat_time_t        st_atime;
  59.     u32            st_atime_nsec;
  60.     compat_time_t        st_mtime;
  61.     u32            st_mtime_nsec;
  62.     compat_time_t        st_ctime;
  63.     u32            st_ctime_nsec;
  64.     s32            st_blksize;
  65.     s32            st_blocks;
  66.     u32            __unused1;    /* ACL stuff */
  67.     compat_dev_t        __unused2;    /* network */
  68.     compat_ino_t        __unused3;    /* network */
  69.     u32            __unused4;    /* cnodes */
  70.     u16            __unused5;    /* netsite */
  71.     short            st_fstype;
  72.     compat_dev_t        st_realdev;
  73.     u16            st_basemode;
  74.     u16            st_spareshort;
  75.     __compat_uid32_t    st_uid;
  76.     __compat_gid32_t    st_gid;
  77.     u32            st_spare4[3];
  78. };
  79.  
  80. struct compat_flock {
  81.     short            l_type;
  82.     short            l_whence;
  83.     compat_off_t        l_start;
  84.     compat_off_t        l_len;
  85.     compat_pid_t        l_pid;
  86. };
  87.  
  88. struct compat_flock64 {
  89.     short            l_type;
  90.     short            l_whence;
  91.     compat_loff_t        l_start;
  92.     compat_loff_t        l_len;
  93.     compat_pid_t        l_pid;
  94. };
  95.  
  96. struct compat_statfs {
  97.     s32        f_type;
  98.     s32        f_bsize;
  99.     s32        f_blocks;
  100.     s32        f_bfree;
  101.     s32        f_bavail;
  102.     s32        f_files;
  103.     s32        f_ffree;
  104.     __kernel_fsid_t    f_fsid;
  105.     s32        f_namelen;
  106.     s32        f_frsize;
  107.     s32        f_spare[5];
  108. };
  109.  
  110. struct compat_sigcontext {
  111.     compat_int_t sc_flags;
  112.     compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
  113.     u64 sc_fr[32];
  114.     compat_int_t sc_iasq[2];
  115.     compat_int_t sc_iaoq[2];
  116.     compat_int_t sc_sar; /* cr11 */
  117. };
  118.  
  119. #define COMPAT_RLIM_INFINITY 0xffffffff
  120.  
  121. typedef u32        compat_old_sigset_t;    /* at least 32 bits */
  122.  
  123. #define _COMPAT_NSIG        64
  124. #define _COMPAT_NSIG_BPW    32
  125.  
  126. typedef u32        compat_sigset_word;
  127.  
  128. #define COMPAT_OFF_T_MAX    0x7fffffff
  129. #define COMPAT_LOFF_T_MAX    0x7fffffffffffffffL
  130.  
  131. /*
  132.  * A pointer passed in from user mode. This should not
  133.  * be used for syscall parameters, just declare them
  134.  * as pointers because the syscall entry code will have
  135.  * appropriately converted them already.
  136.  */
  137. typedef    u32        compat_uptr_t;
  138.  
  139. static inline void __user *compat_ptr(compat_uptr_t uptr)
  140. {
  141.     return (void __user *)(unsigned long)uptr;
  142. }
  143.  
  144. static inline compat_uptr_t ptr_to_compat(void __user *uptr)
  145. {
  146.     return (u32)(unsigned long)uptr;
  147. }
  148.  
  149. static __inline__ void __user *compat_alloc_user_space(long len)
  150. {
  151.     struct pt_regs *regs = ¤t->thread.regs;
  152.     return (void __user *)regs->gr[30];
  153. }
  154.  
  155. static inline int __is_compat_task(struct task_struct *t)
  156. {
  157.     return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
  158. }
  159.  
  160. static inline int is_compat_task(void)
  161. {
  162.     return __is_compat_task(current);
  163. }
  164.  
  165. #endif /* _ASM_PARISC_COMPAT_H */
  166.