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-rw-r--r--arch/mips/include/asm/compat.h221
1 files changed, 221 insertions, 0 deletions
diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h
new file mode 100644
index 000000000000..ac5d541368e9
--- /dev/null
+++ b/arch/mips/include/asm/compat.h
@@ -0,0 +1,221 @@
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>
8#include <asm/ptrace.h>
9
10#define COMPAT_USER_HZ 100
11
12typedef u32 compat_size_t;
13typedef s32 compat_ssize_t;
14typedef s32 compat_time_t;
15typedef s32 compat_clock_t;
16typedef s32 compat_suseconds_t;
17
18typedef s32 compat_pid_t;
19typedef s32 __compat_uid_t;
20typedef s32 __compat_gid_t;
21typedef __compat_uid_t __compat_uid32_t;
22typedef __compat_gid_t __compat_gid32_t;
23typedef u32 compat_mode_t;
24typedef u32 compat_ino_t;
25typedef u32 compat_dev_t;
26typedef s32 compat_off_t;
27typedef s64 compat_loff_t;
28typedef u32 compat_nlink_t;
29typedef s32 compat_ipc_pid_t;
30typedef s32 compat_daddr_t;
31typedef s32 compat_caddr_t;
32typedef struct {
33 s32 val[2];
34} compat_fsid_t;
35typedef s32 compat_timer_t;
36typedef s32 compat_key_t;
37
38typedef s32 compat_int_t;
39typedef s32 compat_long_t;
40typedef s64 compat_s64;
41typedef u32 compat_uint_t;
42typedef u32 compat_ulong_t;
43typedef u64 compat_u64;
44
45struct compat_timespec {
46 compat_time_t tv_sec;
47 s32 tv_nsec;
48};
49
50struct compat_timeval {
51 compat_time_t tv_sec;
52 s32 tv_usec;
53};
54
55struct 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;
61 __compat_uid_t st_uid;
62 __compat_gid_t st_gid;
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
78struct 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
93struct 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
101struct 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
117typedef 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
122typedef 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 converted them already.
132 */
133typedef u32 compat_uptr_t;
134
135static inline void __user *compat_ptr(compat_uptr_t uptr)
136{
137 /* cast to a __user pointer via "unsigned long" makes sparse happy */
138 return (void __user *)(unsigned long)(long)uptr;
139}
140
141static inline compat_uptr_t ptr_to_compat(void __user *uptr)
142{
143 return (u32)(unsigned long)uptr;
144}
145
146static inline void __user *compat_alloc_user_space(long len)
147{
148 struct pt_regs *regs = (struct pt_regs *)
149 ((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1;
150
151 return (void __user *) (regs->regs[29] - len);
152}
153
154struct 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
167struct 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
176struct 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
208struct 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
221#endif /* _ASM_COMPAT_H */
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