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1da177e4 LT |
1 | #ifndef _LINUX_COMPAT_H |
2 | #define _LINUX_COMPAT_H | |
3 | /* | |
4 | * These are the type definitions for the architecture specific | |
5 | * syscall compatibility layer. | |
6 | */ | |
7 | #include <linux/config.h> | |
8 | ||
9 | #ifdef CONFIG_COMPAT | |
10 | ||
11 | #include <linux/stat.h> | |
12 | #include <linux/param.h> /* for HZ */ | |
13 | #include <linux/sem.h> | |
14 | ||
15 | #include <asm/compat.h> | |
16 | #include <asm/siginfo.h> | |
17 | ||
18 | #define compat_jiffies_to_clock_t(x) \ | |
19 | (((unsigned long)(x) * COMPAT_USER_HZ) / HZ) | |
20 | ||
21 | struct rusage; | |
22 | ||
23 | struct compat_itimerspec { | |
24 | struct compat_timespec it_interval; | |
25 | struct compat_timespec it_value; | |
26 | }; | |
27 | ||
28 | struct compat_utimbuf { | |
29 | compat_time_t actime; | |
30 | compat_time_t modtime; | |
31 | }; | |
32 | ||
33 | struct compat_itimerval { | |
34 | struct compat_timeval it_interval; | |
35 | struct compat_timeval it_value; | |
36 | }; | |
37 | ||
38 | struct compat_tms { | |
39 | compat_clock_t tms_utime; | |
40 | compat_clock_t tms_stime; | |
41 | compat_clock_t tms_cutime; | |
42 | compat_clock_t tms_cstime; | |
43 | }; | |
44 | ||
45 | #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW) | |
46 | ||
47 | typedef struct { | |
48 | compat_sigset_word sig[_COMPAT_NSIG_WORDS]; | |
49 | } compat_sigset_t; | |
50 | ||
51 | extern int cp_compat_stat(struct kstat *, struct compat_stat __user *); | |
52 | extern int get_compat_timespec(struct timespec *, const struct compat_timespec __user *); | |
53 | extern int put_compat_timespec(const struct timespec *, struct compat_timespec __user *); | |
54 | ||
55 | struct compat_iovec { | |
56 | compat_uptr_t iov_base; | |
57 | compat_size_t iov_len; | |
58 | }; | |
59 | ||
60 | struct compat_rlimit { | |
61 | compat_ulong_t rlim_cur; | |
62 | compat_ulong_t rlim_max; | |
63 | }; | |
64 | ||
65 | struct compat_rusage { | |
66 | struct compat_timeval ru_utime; | |
67 | struct compat_timeval ru_stime; | |
68 | compat_long_t ru_maxrss; | |
69 | compat_long_t ru_ixrss; | |
70 | compat_long_t ru_idrss; | |
71 | compat_long_t ru_isrss; | |
72 | compat_long_t ru_minflt; | |
73 | compat_long_t ru_majflt; | |
74 | compat_long_t ru_nswap; | |
75 | compat_long_t ru_inblock; | |
76 | compat_long_t ru_oublock; | |
77 | compat_long_t ru_msgsnd; | |
78 | compat_long_t ru_msgrcv; | |
79 | compat_long_t ru_nsignals; | |
80 | compat_long_t ru_nvcsw; | |
81 | compat_long_t ru_nivcsw; | |
82 | }; | |
83 | ||
84 | extern int put_compat_rusage(const struct rusage *, struct compat_rusage __user *); | |
85 | ||
86 | struct compat_siginfo; | |
87 | ||
88 | extern asmlinkage long compat_sys_waitid(int, compat_pid_t, | |
89 | struct compat_siginfo __user *, int, | |
90 | struct compat_rusage __user *); | |
91 | ||
92 | struct compat_dirent { | |
93 | u32 d_ino; | |
94 | compat_off_t d_off; | |
95 | u16 d_reclen; | |
96 | char d_name[256]; | |
97 | }; | |
98 | ||
99 | typedef union compat_sigval { | |
100 | compat_int_t sival_int; | |
101 | compat_uptr_t sival_ptr; | |
102 | } compat_sigval_t; | |
103 | ||
104 | #define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) | |
105 | ||
106 | typedef struct compat_sigevent { | |
107 | compat_sigval_t sigev_value; | |
108 | compat_int_t sigev_signo; | |
109 | compat_int_t sigev_notify; | |
110 | union { | |
111 | compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE]; | |
112 | compat_int_t _tid; | |
113 | ||
114 | struct { | |
115 | compat_uptr_t _function; | |
116 | compat_uptr_t _attribute; | |
117 | } _sigev_thread; | |
118 | } _sigev_un; | |
119 | } compat_sigevent_t; | |
120 | ||
121 | ||
122 | long compat_sys_semctl(int first, int second, int third, void __user *uptr); | |
123 | long compat_sys_msgsnd(int first, int second, int third, void __user *uptr); | |
124 | long compat_sys_msgrcv(int first, int second, int msgtyp, int third, | |
125 | int version, void __user *uptr); | |
126 | long compat_sys_msgctl(int first, int second, void __user *uptr); | |
127 | long compat_sys_shmat(int first, int second, compat_uptr_t third, int version, | |
128 | void __user *uptr); | |
129 | long compat_sys_shmctl(int first, int second, void __user *uptr); | |
130 | long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, | |
131 | unsigned nsems, const struct compat_timespec __user *timeout); | |
132 | asmlinkage long compat_sys_keyctl(u32 option, | |
133 | u32 arg2, u32 arg3, u32 arg4, u32 arg5); | |
134 | ||
135 | asmlinkage ssize_t compat_sys_readv(unsigned long fd, | |
136 | const struct compat_iovec __user *vec, unsigned long vlen); | |
137 | asmlinkage ssize_t compat_sys_writev(unsigned long fd, | |
138 | const struct compat_iovec __user *vec, unsigned long vlen); | |
139 | ||
140 | int compat_do_execve(char * filename, compat_uptr_t __user *argv, | |
141 | compat_uptr_t __user *envp, struct pt_regs * regs); | |
142 | ||
143 | asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, | |
144 | compat_ulong_t __user *outp, compat_ulong_t __user *exp, | |
145 | struct compat_timeval __user *tvp); | |
146 | ||
147 | #define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t)) | |
148 | ||
149 | #define BITS_TO_COMPAT_LONGS(bits) \ | |
150 | (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG) | |
151 | ||
152 | long compat_get_bitmap(unsigned long *mask, compat_ulong_t __user *umask, | |
153 | unsigned long bitmap_size); | |
154 | long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, | |
155 | unsigned long bitmap_size); | |
156 | int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from); | |
157 | int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from); | |
158 | int get_compat_sigevent(struct sigevent *event, | |
159 | const struct compat_sigevent __user *u_event); | |
160 | ||
161 | #endif /* CONFIG_COMPAT */ | |
162 | #endif /* _LINUX_COMPAT_H */ |