1 #ifndef _LINUX_COMPAT_H
2 #define _LINUX_COMPAT_H
4 * These are the type definitions for the architecture specific
5 * syscall compatibility layer.
7 #include <linux/config.h>
11 #include <linux/stat.h>
12 #include <linux/param.h> /* for HZ */
13 #include <linux/sem.h>
15 #include <asm/compat.h>
16 #include <asm/siginfo.h>
18 #define compat_jiffies_to_clock_t(x) \
19 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
23 struct compat_itimerspec {
24 struct compat_timespec it_interval;
25 struct compat_timespec it_value;
28 struct compat_utimbuf {
30 compat_time_t modtime;
33 struct compat_itimerval {
34 struct compat_timeval it_interval;
35 struct compat_timeval it_value;
39 compat_clock_t tms_utime;
40 compat_clock_t tms_stime;
41 compat_clock_t tms_cutime;
42 compat_clock_t tms_cstime;
45 #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW)
48 compat_sigset_word sig[_COMPAT_NSIG_WORDS];
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 *);
56 compat_uptr_t iov_base;
57 compat_size_t iov_len;
60 struct compat_rlimit {
61 compat_ulong_t rlim_cur;
62 compat_ulong_t rlim_max;
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;
84 extern int put_compat_rusage(const struct rusage *, struct compat_rusage __user *);
86 struct compat_siginfo;
88 extern asmlinkage long compat_sys_waitid(int, compat_pid_t,
89 struct compat_siginfo __user *, int,
90 struct compat_rusage __user *);
92 struct compat_dirent {
99 typedef union compat_sigval {
100 compat_int_t sival_int;
101 compat_uptr_t sival_ptr;
104 #define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
106 typedef struct compat_sigevent {
107 compat_sigval_t sigev_value;
108 compat_int_t sigev_signo;
109 compat_int_t sigev_notify;
111 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE];
115 compat_uptr_t _function;
116 compat_uptr_t _attribute;
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,
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);
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);
140 int compat_do_execve(char * filename, compat_uptr_t __user *argv,
141 compat_uptr_t __user *envp, struct pt_regs * regs);
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);
147 #define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
149 #define BITS_TO_COMPAT_LONGS(bits) \
150 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
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);
161 #endif /* CONFIG_COMPAT */
162 #endif /* _LINUX_COMPAT_H */