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1da177e4 LT |
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> | |
df570b9c | 8 | #include <linux/thread_info.h> |
1da177e4 | 9 | |
e28cbf22 CH |
10 | #define COMPAT_USER_HZ 100 |
11 | #define COMPAT_UTS_MACHINE "parisc\0\0" | |
1da177e4 LT |
12 | |
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; | |
202e5979 SR |
18 | typedef u32 __compat_uid_t; |
19 | typedef u32 __compat_gid_t; | |
20 | typedef u32 __compat_uid32_t; | |
21 | typedef u32 __compat_gid32_t; | |
1da177e4 LT |
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; | |
0d77e5a2 | 31 | typedef s32 compat_timer_t; |
1da177e4 LT |
32 | |
33 | typedef s32 compat_int_t; | |
34 | typedef s32 compat_long_t; | |
4b777587 | 35 | typedef s64 compat_s64; |
1da177e4 LT |
36 | typedef u32 compat_uint_t; |
37 | typedef u32 compat_ulong_t; | |
4b777587 | 38 | typedef u64 compat_u64; |
751f409d | 39 | typedef u32 compat_uptr_t; |
1da177e4 LT |
40 | |
41 | struct compat_timespec { | |
42 | compat_time_t tv_sec; | |
43 | s32 tv_nsec; | |
44 | }; | |
45 | ||
46 | struct compat_timeval { | |
47 | compat_time_t tv_sec; | |
48 | s32 tv_usec; | |
49 | }; | |
50 | ||
51 | struct compat_stat { | |
52 | compat_dev_t st_dev; /* dev_t is 32 bits on parisc */ | |
53 | compat_ino_t st_ino; /* 32 bits */ | |
54 | compat_mode_t st_mode; /* 16 bits */ | |
55 | compat_nlink_t st_nlink; /* 16 bits */ | |
56 | u16 st_reserved1; /* old st_uid */ | |
57 | u16 st_reserved2; /* old st_gid */ | |
58 | compat_dev_t st_rdev; | |
59 | compat_off_t st_size; | |
60 | compat_time_t st_atime; | |
61 | u32 st_atime_nsec; | |
62 | compat_time_t st_mtime; | |
63 | u32 st_mtime_nsec; | |
64 | compat_time_t st_ctime; | |
65 | u32 st_ctime_nsec; | |
66 | s32 st_blksize; | |
67 | s32 st_blocks; | |
68 | u32 __unused1; /* ACL stuff */ | |
69 | compat_dev_t __unused2; /* network */ | |
70 | compat_ino_t __unused3; /* network */ | |
71 | u32 __unused4; /* cnodes */ | |
72 | u16 __unused5; /* netsite */ | |
73 | short st_fstype; | |
74 | compat_dev_t st_realdev; | |
75 | u16 st_basemode; | |
76 | u16 st_spareshort; | |
202e5979 SR |
77 | __compat_uid32_t st_uid; |
78 | __compat_gid32_t st_gid; | |
1da177e4 LT |
79 | u32 st_spare4[3]; |
80 | }; | |
81 | ||
82 | struct compat_flock { | |
83 | short l_type; | |
84 | short l_whence; | |
85 | compat_off_t l_start; | |
86 | compat_off_t l_len; | |
87 | compat_pid_t l_pid; | |
88 | }; | |
89 | ||
90 | struct compat_flock64 { | |
91 | short l_type; | |
92 | short l_whence; | |
93 | compat_loff_t l_start; | |
94 | compat_loff_t l_len; | |
95 | compat_pid_t l_pid; | |
96 | }; | |
97 | ||
98 | struct compat_statfs { | |
99 | s32 f_type; | |
100 | s32 f_bsize; | |
101 | s32 f_blocks; | |
102 | s32 f_bfree; | |
103 | s32 f_bavail; | |
104 | s32 f_files; | |
105 | s32 f_ffree; | |
106 | __kernel_fsid_t f_fsid; | |
107 | s32 f_namelen; | |
108 | s32 f_frsize; | |
1448c721 EB |
109 | s32 f_flags; |
110 | s32 f_spare[4]; | |
1da177e4 LT |
111 | }; |
112 | ||
113 | struct compat_sigcontext { | |
114 | compat_int_t sc_flags; | |
115 | compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */ | |
116 | u64 sc_fr[32]; | |
117 | compat_int_t sc_iasq[2]; | |
118 | compat_int_t sc_iaoq[2]; | |
119 | compat_int_t sc_sar; /* cr11 */ | |
120 | }; | |
121 | ||
122 | #define COMPAT_RLIM_INFINITY 0xffffffff | |
123 | ||
124 | typedef u32 compat_old_sigset_t; /* at least 32 bits */ | |
125 | ||
126 | #define _COMPAT_NSIG 64 | |
127 | #define _COMPAT_NSIG_BPW 32 | |
128 | ||
129 | typedef u32 compat_sigset_word; | |
130 | ||
751f409d DV |
131 | typedef union compat_sigval { |
132 | compat_int_t sival_int; | |
133 | compat_uptr_t sival_ptr; | |
134 | } compat_sigval_t; | |
135 | ||
136 | typedef struct compat_siginfo { | |
137 | int si_signo; | |
138 | int si_errno; | |
139 | int si_code; | |
140 | ||
141 | union { | |
142 | int _pad[128/sizeof(int) - 3]; | |
143 | ||
144 | /* kill() */ | |
145 | struct { | |
146 | unsigned int _pid; /* sender's pid */ | |
147 | unsigned int _uid; /* sender's uid */ | |
148 | } _kill; | |
149 | ||
150 | /* POSIX.1b timers */ | |
151 | struct { | |
152 | compat_timer_t _tid; /* timer id */ | |
153 | int _overrun; /* overrun count */ | |
154 | char _pad[sizeof(unsigned int) - sizeof(int)]; | |
155 | compat_sigval_t _sigval; /* same as below */ | |
156 | int _sys_private; /* not to be passed to user */ | |
157 | } _timer; | |
158 | ||
159 | /* POSIX.1b signals */ | |
160 | struct { | |
161 | unsigned int _pid; /* sender's pid */ | |
162 | unsigned int _uid; /* sender's uid */ | |
163 | compat_sigval_t _sigval; | |
164 | } _rt; | |
165 | ||
166 | /* SIGCHLD */ | |
167 | struct { | |
168 | unsigned int _pid; /* which child */ | |
169 | unsigned int _uid; /* sender's uid */ | |
170 | int _status; /* exit code */ | |
171 | compat_clock_t _utime; | |
172 | compat_clock_t _stime; | |
173 | } _sigchld; | |
174 | ||
175 | /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ | |
176 | struct { | |
177 | unsigned int _addr; /* faulting insn/memory ref. */ | |
178 | } _sigfault; | |
179 | ||
180 | /* SIGPOLL */ | |
181 | struct { | |
182 | int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ | |
183 | int _fd; | |
184 | } _sigpoll; | |
185 | } _sifields; | |
186 | } compat_siginfo_t; | |
187 | ||
1da177e4 LT |
188 | #define COMPAT_OFF_T_MAX 0x7fffffff |
189 | #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL | |
190 | ||
191 | /* | |
192 | * A pointer passed in from user mode. This should not | |
193 | * be used for syscall parameters, just declare them | |
194 | * as pointers because the syscall entry code will have | |
8b3de0df | 195 | * appropriately converted them already. |
1da177e4 | 196 | */ |
1da177e4 LT |
197 | |
198 | static inline void __user *compat_ptr(compat_uptr_t uptr) | |
199 | { | |
200 | return (void __user *)(unsigned long)uptr; | |
201 | } | |
202 | ||
213b63b7 IM |
203 | static inline compat_uptr_t ptr_to_compat(void __user *uptr) |
204 | { | |
205 | return (u32)(unsigned long)uptr; | |
206 | } | |
207 | ||
c41d68a5 | 208 | static __inline__ void __user *arch_compat_alloc_user_space(long len) |
1da177e4 LT |
209 | { |
210 | struct pt_regs *regs = ¤t->thread.regs; | |
211 | return (void __user *)regs->gr[30]; | |
212 | } | |
213 | ||
a3ea84fa KM |
214 | static inline int __is_compat_task(struct task_struct *t) |
215 | { | |
c9f4f06d | 216 | return test_ti_thread_flag(task_thread_info(t), TIF_32BIT); |
a3ea84fa KM |
217 | } |
218 | ||
219 | static inline int is_compat_task(void) | |
220 | { | |
221 | return __is_compat_task(current); | |
222 | } | |
223 | ||
1da177e4 | 224 | #endif /* _ASM_PARISC_COMPAT_H */ |