1 #ifndef _ASM_SPARC64_COMPAT_H
2 #define _ASM_SPARC64_COMPAT_H
4 * Architecture specific compatibility types
6 #include <linux/types.h>
8 #define COMPAT_USER_HZ 100
10 typedef u32 compat_size_t;
11 typedef s32 compat_ssize_t;
12 typedef s32 compat_time_t;
13 typedef s32 compat_clock_t;
14 typedef s32 compat_pid_t;
15 typedef u16 compat_uid_t;
16 typedef u16 compat_gid_t;
17 typedef u16 compat_mode_t;
18 typedef u32 compat_ino_t;
19 typedef u16 compat_dev_t;
20 typedef s32 compat_off_t;
21 typedef s64 compat_loff_t;
22 typedef s16 compat_nlink_t;
23 typedef u16 compat_ipc_pid_t;
24 typedef s32 compat_daddr_t;
25 typedef u32 compat_caddr_t;
26 typedef __kernel_fsid_t compat_fsid_t;
28 typedef s32 compat_int_t;
29 typedef s32 compat_long_t;
30 typedef u32 compat_uint_t;
31 typedef u32 compat_ulong_t;
33 struct compat_timespec {
38 struct compat_timeval {
46 compat_mode_t st_mode;
47 compat_nlink_t st_nlink;
52 compat_time_t st_atime;
54 compat_time_t st_mtime;
56 compat_time_t st_ctime;
58 compat_off_t st_blksize;
59 compat_off_t st_blocks;
76 struct compat_flock64 {
79 compat_loff_t l_start;
85 struct compat_statfs {
94 int f_namelen; /* SunOS ignores this field. */
99 #define COMPAT_RLIM_INFINITY 0x7fffffff
101 typedef u32 compat_old_sigset_t;
103 #define _COMPAT_NSIG 64
104 #define _COMPAT_NSIG_BPW 32
106 typedef u32 compat_sigset_word;
108 #define COMPAT_OFF_T_MAX 0x7fffffff
109 #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
112 * A pointer passed in from user mode. This should not
113 * be used for syscall parameters, just declare them
114 * as pointers because the syscall entry code will have
115 * appropriately comverted them already.
117 typedef u32 compat_uptr_t;
119 static inline void __user *compat_ptr(compat_uptr_t uptr)
121 return (void __user *)(unsigned long)uptr;
124 static __inline__ void __user *compat_alloc_user_space(long len)
126 struct pt_regs *regs = current_thread_info()->kregs;
127 unsigned long usp = regs->u_regs[UREG_I6];
129 if (!(test_thread_flag(TIF_32BIT)))
132 return (void __user *) (usp - len);
135 #endif /* _ASM_SPARC64_COMPAT_H */