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1da177e4 LT |
1 | #ifndef _ASM_COMPAT_H |
2 | #define _ASM_COMPAT_H | |
3 | /* | |
4 | * Architecture specific compatibility types | |
5 | */ | |
6 | #include <linux/types.h> | |
7 | #include <asm/page.h> | |
b7237825 | 8 | #include <asm/ptrace.h> |
1da177e4 LT |
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_suseconds_t; | |
17 | ||
18 | typedef s32 compat_pid_t; | |
4ee1303a RB |
19 | typedef s32 __compat_uid_t; |
20 | typedef s32 __compat_gid_t; | |
21 | typedef __compat_uid_t __compat_uid32_t; | |
22 | typedef __compat_gid_t __compat_gid32_t; | |
1da177e4 LT |
23 | typedef u32 compat_mode_t; |
24 | typedef u32 compat_ino_t; | |
25 | typedef u32 compat_dev_t; | |
26 | typedef s32 compat_off_t; | |
27 | typedef s64 compat_loff_t; | |
28 | typedef u32 compat_nlink_t; | |
29 | typedef s32 compat_ipc_pid_t; | |
30 | typedef s32 compat_daddr_t; | |
31 | typedef s32 compat_caddr_t; | |
32 | typedef struct { | |
33 | s32 val[2]; | |
34 | } compat_fsid_t; | |
0d77e5a2 | 35 | typedef s32 compat_timer_t; |
05e43966 | 36 | typedef s32 compat_key_t; |
1da177e4 LT |
37 | |
38 | typedef s32 compat_int_t; | |
39 | typedef s32 compat_long_t; | |
4b777587 | 40 | typedef s64 compat_s64; |
1da177e4 LT |
41 | typedef u32 compat_uint_t; |
42 | typedef u32 compat_ulong_t; | |
4b777587 | 43 | typedef u64 compat_u64; |
1da177e4 LT |
44 | |
45 | struct compat_timespec { | |
46 | compat_time_t tv_sec; | |
47 | s32 tv_nsec; | |
48 | }; | |
49 | ||
50 | struct compat_timeval { | |
51 | compat_time_t tv_sec; | |
52 | s32 tv_usec; | |
53 | }; | |
54 | ||
55 | struct compat_stat { | |
56 | compat_dev_t st_dev; | |
57 | s32 st_pad1[3]; | |
58 | compat_ino_t st_ino; | |
59 | compat_mode_t st_mode; | |
60 | compat_nlink_t st_nlink; | |
4ee1303a RB |
61 | __compat_uid_t st_uid; |
62 | __compat_gid_t st_gid; | |
1da177e4 LT |
63 | compat_dev_t st_rdev; |
64 | s32 st_pad2[2]; | |
65 | compat_off_t st_size; | |
66 | s32 st_pad3; | |
67 | compat_time_t st_atime; | |
68 | s32 st_atime_nsec; | |
69 | compat_time_t st_mtime; | |
70 | s32 st_mtime_nsec; | |
71 | compat_time_t st_ctime; | |
72 | s32 st_ctime_nsec; | |
73 | s32 st_blksize; | |
74 | s32 st_blocks; | |
75 | s32 st_pad4[14]; | |
76 | }; | |
77 | ||
78 | struct compat_flock { | |
79 | short l_type; | |
80 | short l_whence; | |
81 | compat_off_t l_start; | |
82 | compat_off_t l_len; | |
83 | s32 l_sysid; | |
84 | compat_pid_t l_pid; | |
85 | short __unused; | |
86 | s32 pad[4]; | |
87 | }; | |
88 | ||
89 | #define F_GETLK64 33 | |
90 | #define F_SETLK64 34 | |
91 | #define F_SETLKW64 35 | |
92 | ||
93 | struct compat_flock64 { | |
94 | short l_type; | |
95 | short l_whence; | |
96 | compat_loff_t l_start; | |
97 | compat_loff_t l_len; | |
98 | compat_pid_t l_pid; | |
99 | }; | |
100 | ||
101 | struct compat_statfs { | |
102 | int f_type; | |
103 | int f_bsize; | |
104 | int f_frsize; | |
105 | int f_blocks; | |
106 | int f_bfree; | |
107 | int f_files; | |
108 | int f_ffree; | |
109 | int f_bavail; | |
110 | compat_fsid_t f_fsid; | |
111 | int f_namelen; | |
112 | int f_spare[6]; | |
113 | }; | |
114 | ||
115 | #define COMPAT_RLIM_INFINITY 0x7fffffffUL | |
116 | ||
117 | typedef u32 compat_old_sigset_t; /* at least 32 bits */ | |
118 | ||
119 | #define _COMPAT_NSIG 128 /* Don't ask !$@#% ... */ | |
120 | #define _COMPAT_NSIG_BPW 32 | |
121 | ||
122 | typedef u32 compat_sigset_word; | |
123 | ||
124 | #define COMPAT_OFF_T_MAX 0x7fffffff | |
125 | #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL | |
126 | ||
127 | /* | |
128 | * A pointer passed in from user mode. This should not | |
129 | * be used for syscall parameters, just declare them | |
130 | * as pointers because the syscall entry code will have | |
131 | * appropriately comverted them already. | |
132 | */ | |
133 | typedef u32 compat_uptr_t; | |
134 | ||
219ac73a | 135 | static inline void __user *compat_ptr(compat_uptr_t uptr) |
1da177e4 | 136 | { |
01bebc66 AN |
137 | /* cast to a __user pointer via "unsigned long" makes sparse happy */ |
138 | return (void __user *)(unsigned long)(long)uptr; | |
1da177e4 LT |
139 | } |
140 | ||
62ac285f IM |
141 | static inline compat_uptr_t ptr_to_compat(void __user *uptr) |
142 | { | |
143 | return (u32)(unsigned long)uptr; | |
144 | } | |
145 | ||
219ac73a | 146 | static inline void __user *compat_alloc_user_space(long len) |
1da177e4 LT |
147 | { |
148 | struct pt_regs *regs = (struct pt_regs *) | |
149 | ((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1; | |
150 | ||
219ac73a | 151 | return (void __user *) (regs->regs[29] - len); |
1da177e4 | 152 | } |
1da177e4 | 153 | |
05e43966 AN |
154 | struct compat_ipc64_perm { |
155 | compat_key_t key; | |
156 | __compat_uid32_t uid; | |
157 | __compat_gid32_t gid; | |
158 | __compat_uid32_t cuid; | |
159 | __compat_gid32_t cgid; | |
160 | compat_mode_t mode; | |
161 | unsigned short seq; | |
162 | unsigned short __pad2; | |
163 | compat_ulong_t __unused1; | |
164 | compat_ulong_t __unused2; | |
165 | }; | |
166 | ||
167 | struct compat_semid64_ds { | |
168 | struct compat_ipc64_perm sem_perm; | |
169 | compat_time_t sem_otime; | |
170 | compat_time_t sem_ctime; | |
171 | compat_ulong_t sem_nsems; | |
172 | compat_ulong_t __unused1; | |
173 | compat_ulong_t __unused2; | |
174 | }; | |
175 | ||
176 | struct compat_msqid64_ds { | |
177 | struct compat_ipc64_perm msg_perm; | |
178 | #ifndef CONFIG_CPU_LITTLE_ENDIAN | |
179 | compat_ulong_t __unused1; | |
180 | #endif | |
181 | compat_time_t msg_stime; | |
182 | #ifdef CONFIG_CPU_LITTLE_ENDIAN | |
183 | compat_ulong_t __unused1; | |
184 | #endif | |
185 | #ifndef CONFIG_CPU_LITTLE_ENDIAN | |
186 | compat_ulong_t __unused2; | |
187 | #endif | |
188 | compat_time_t msg_rtime; | |
189 | #ifdef CONFIG_CPU_LITTLE_ENDIAN | |
190 | compat_ulong_t __unused2; | |
191 | #endif | |
192 | #ifndef CONFIG_CPU_LITTLE_ENDIAN | |
193 | compat_ulong_t __unused3; | |
194 | #endif | |
195 | compat_time_t msg_ctime; | |
196 | #ifdef CONFIG_CPU_LITTLE_ENDIAN | |
197 | compat_ulong_t __unused3; | |
198 | #endif | |
199 | compat_ulong_t msg_cbytes; | |
200 | compat_ulong_t msg_qnum; | |
201 | compat_ulong_t msg_qbytes; | |
202 | compat_pid_t msg_lspid; | |
203 | compat_pid_t msg_lrpid; | |
204 | compat_ulong_t __unused4; | |
205 | compat_ulong_t __unused5; | |
206 | }; | |
207 | ||
208 | struct compat_shmid64_ds { | |
209 | struct compat_ipc64_perm shm_perm; | |
210 | compat_size_t shm_segsz; | |
211 | compat_time_t shm_atime; | |
212 | compat_time_t shm_dtime; | |
213 | compat_time_t shm_ctime; | |
214 | compat_pid_t shm_cpid; | |
215 | compat_pid_t shm_lpid; | |
216 | compat_ulong_t shm_nattch; | |
217 | compat_ulong_t __unused1; | |
218 | compat_ulong_t __unused2; | |
219 | }; | |
220 | ||
1da177e4 | 221 | #endif /* _ASM_COMPAT_H */ |