1 #ifndef _ASM_PARISC_COMPAT_H
2 #define _ASM_PARISC_COMPAT_H
4 * Architecture specific compatibility types
6 #include <linux/types.h>
7 #include <linux/sched.h>
8 #include <linux/thread_info.h>
10 #define COMPAT_USER_HZ 100
11 #define COMPAT_UTS_MACHINE "parisc\0\0"
13 typedef u32 compat_size_t;
14 typedef s32 compat_ssize_t;
15 typedef s32 compat_time_t;
16 typedef s32 compat_clock_t;
17 typedef s32 compat_pid_t;
18 typedef u32 __compat_uid_t;
19 typedef u32 __compat_gid_t;
20 typedef u32 __compat_uid32_t;
21 typedef u32 __compat_gid32_t;
22 typedef u16 compat_mode_t;
23 typedef u32 compat_ino_t;
24 typedef u32 compat_dev_t;
25 typedef s32 compat_off_t;
26 typedef s64 compat_loff_t;
27 typedef u16 compat_nlink_t;
28 typedef u16 compat_ipc_pid_t;
29 typedef s32 compat_daddr_t;
30 typedef u32 compat_caddr_t;
31 typedef s32 compat_timer_t;
33 typedef s32 compat_int_t;
34 typedef s32 compat_long_t;
35 typedef s64 compat_s64;
36 typedef u32 compat_uint_t;
37 typedef u32 compat_ulong_t;
38 typedef u64 compat_u64;
40 struct compat_timespec {
45 struct compat_timeval {
51 compat_dev_t st_dev; /* dev_t is 32 bits on parisc */
52 compat_ino_t st_ino; /* 32 bits */
53 compat_mode_t st_mode; /* 16 bits */
54 compat_nlink_t st_nlink; /* 16 bits */
55 u16 st_reserved1; /* old st_uid */
56 u16 st_reserved2; /* old st_gid */
59 compat_time_t st_atime;
61 compat_time_t st_mtime;
63 compat_time_t st_ctime;
67 u32 __unused1; /* ACL stuff */
68 compat_dev_t __unused2; /* network */
69 compat_ino_t __unused3; /* network */
70 u32 __unused4; /* cnodes */
71 u16 __unused5; /* netsite */
73 compat_dev_t st_realdev;
76 __compat_uid32_t st_uid;
77 __compat_gid32_t st_gid;
89 struct compat_flock64 {
92 compat_loff_t l_start;
97 struct compat_statfs {
105 __kernel_fsid_t f_fsid;
111 struct compat_sigcontext {
112 compat_int_t sc_flags;
113 compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
115 compat_int_t sc_iasq[2];
116 compat_int_t sc_iaoq[2];
117 compat_int_t sc_sar; /* cr11 */
120 #define COMPAT_RLIM_INFINITY 0xffffffff
122 typedef u32 compat_old_sigset_t; /* at least 32 bits */
124 #define _COMPAT_NSIG 64
125 #define _COMPAT_NSIG_BPW 32
127 typedef u32 compat_sigset_word;
129 #define COMPAT_OFF_T_MAX 0x7fffffff
130 #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
133 * A pointer passed in from user mode. This should not
134 * be used for syscall parameters, just declare them
135 * as pointers because the syscall entry code will have
136 * appropriately converted them already.
138 typedef u32 compat_uptr_t;
140 static inline void __user *compat_ptr(compat_uptr_t uptr)
142 return (void __user *)(unsigned long)uptr;
145 static inline compat_uptr_t ptr_to_compat(void __user *uptr)
147 return (u32)(unsigned long)uptr;
150 static __inline__ void __user *compat_alloc_user_space(long len)
152 struct pt_regs *regs = ¤t->thread.regs;
153 return (void __user *)regs->gr[30];
156 static inline int __is_compat_task(struct task_struct *t)
158 return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
161 static inline int is_compat_task(void)
163 return __is_compat_task(current);
166 #endif /* _ASM_PARISC_COMPAT_H */