include/asm-parisc/compat.h

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