Linux kernel mirror (for testing)
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linux
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
9#define COMPAT_USER_HZ 100
10
11typedef u32 compat_size_t;
12typedef s32 compat_ssize_t;
13typedef s32 compat_time_t;
14typedef s32 compat_clock_t;
15typedef s32 compat_suseconds_t;
16
17typedef s32 compat_pid_t;
18typedef s32 compat_uid_t;
19typedef s32 compat_gid_t;
20typedef u32 compat_mode_t;
21typedef u32 compat_ino_t;
22typedef u32 compat_dev_t;
23typedef s32 compat_off_t;
24typedef s64 compat_loff_t;
25typedef u32 compat_nlink_t;
26typedef s32 compat_ipc_pid_t;
27typedef s32 compat_daddr_t;
28typedef s32 compat_caddr_t;
29typedef struct {
30 s32 val[2];
31} compat_fsid_t;
32typedef s32 compat_timer_t;
33
34typedef s32 compat_int_t;
35typedef s32 compat_long_t;
36typedef u32 compat_uint_t;
37typedef u32 compat_ulong_t;
38
39struct compat_timespec {
40 compat_time_t tv_sec;
41 s32 tv_nsec;
42};
43
44struct compat_timeval {
45 compat_time_t tv_sec;
46 s32 tv_usec;
47};
48
49struct compat_stat {
50 compat_dev_t st_dev;
51 s32 st_pad1[3];
52 compat_ino_t st_ino;
53 compat_mode_t st_mode;
54 compat_nlink_t st_nlink;
55 compat_uid_t st_uid;
56 compat_gid_t st_gid;
57 compat_dev_t st_rdev;
58 s32 st_pad2[2];
59 compat_off_t st_size;
60 s32 st_pad3;
61 compat_time_t st_atime;
62 s32 st_atime_nsec;
63 compat_time_t st_mtime;
64 s32 st_mtime_nsec;
65 compat_time_t st_ctime;
66 s32 st_ctime_nsec;
67 s32 st_blksize;
68 s32 st_blocks;
69 s32 st_pad4[14];
70};
71
72struct compat_flock {
73 short l_type;
74 short l_whence;
75 compat_off_t l_start;
76 compat_off_t l_len;
77 s32 l_sysid;
78 compat_pid_t l_pid;
79 short __unused;
80 s32 pad[4];
81};
82
83#define F_GETLK64 33
84#define F_SETLK64 34
85#define F_SETLKW64 35
86
87struct compat_flock64 {
88 short l_type;
89 short l_whence;
90 compat_loff_t l_start;
91 compat_loff_t l_len;
92 compat_pid_t l_pid;
93};
94
95struct compat_statfs {
96 int f_type;
97 int f_bsize;
98 int f_frsize;
99 int f_blocks;
100 int f_bfree;
101 int f_files;
102 int f_ffree;
103 int f_bavail;
104 compat_fsid_t f_fsid;
105 int f_namelen;
106 int f_spare[6];
107};
108
109#define COMPAT_RLIM_INFINITY 0x7fffffffUL
110
111typedef u32 compat_old_sigset_t; /* at least 32 bits */
112
113#define _COMPAT_NSIG 128 /* Don't ask !$@#% ... */
114#define _COMPAT_NSIG_BPW 32
115
116typedef u32 compat_sigset_word;
117
118#define COMPAT_OFF_T_MAX 0x7fffffff
119#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
120
121/*
122 * A pointer passed in from user mode. This should not
123 * be used for syscall parameters, just declare them
124 * as pointers because the syscall entry code will have
125 * appropriately comverted them already.
126 */
127typedef u32 compat_uptr_t;
128
129static inline void *compat_ptr(compat_uptr_t uptr)
130{
131 return (void *)(long)uptr;
132}
133
134static inline void *compat_alloc_user_space(long len)
135{
136 struct pt_regs *regs = (struct pt_regs *)
137 ((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1;
138
139 return (void *) (regs->regs[29] - len);
140}
141#if defined (__MIPSEL__)
142#define __COMPAT_ENDIAN_SWAP__ 1
143#endif
144
145#endif /* _ASM_COMPAT_H */