asm-*/compat.h: fix typo in comment
[linux-2.6.git] / 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 #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 = &current->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 */