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)
21 typedef __compat_uid32_t compat_uid_t;
22 typedef __compat_gid32_t compat_gid_t;
26 struct compat_itimerspec {
27 struct compat_timespec it_interval;
28 struct compat_timespec it_value;
31 struct compat_utimbuf {
33 compat_time_t modtime;
36 struct compat_itimerval {
37 struct compat_timeval it_interval;
38 struct compat_timeval it_value;
42 compat_clock_t tms_utime;
43 compat_clock_t tms_stime;
44 compat_clock_t tms_cutime;
45 compat_clock_t tms_cstime;
48 #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW)
51 compat_sigset_word sig[_COMPAT_NSIG_WORDS];
54 extern int cp_compat_stat(struct kstat *, struct compat_stat __user *);
55 extern int get_compat_timespec(struct timespec *, const struct compat_timespec __user *);
56 extern int put_compat_timespec(const struct timespec *, struct compat_timespec __user *);
59 compat_uptr_t iov_base;
60 compat_size_t iov_len;
63 struct compat_rlimit {
64 compat_ulong_t rlim_cur;
65 compat_ulong_t rlim_max;
68 struct compat_rusage {
69 struct compat_timeval ru_utime;
70 struct compat_timeval ru_stime;
71 compat_long_t ru_maxrss;
72 compat_long_t ru_ixrss;
73 compat_long_t ru_idrss;
74 compat_long_t ru_isrss;
75 compat_long_t ru_minflt;
76 compat_long_t ru_majflt;
77 compat_long_t ru_nswap;
78 compat_long_t ru_inblock;
79 compat_long_t ru_oublock;
80 compat_long_t ru_msgsnd;
81 compat_long_t ru_msgrcv;
82 compat_long_t ru_nsignals;
83 compat_long_t ru_nvcsw;
84 compat_long_t ru_nivcsw;
87 extern int put_compat_rusage(const struct rusage *, struct compat_rusage __user *);
89 struct compat_siginfo;
91 extern asmlinkage long compat_sys_waitid(int, compat_pid_t,
92 struct compat_siginfo __user *, int,
93 struct compat_rusage __user *);
95 struct compat_dirent {
102 typedef union compat_sigval {
103 compat_int_t sival_int;
104 compat_uptr_t sival_ptr;
107 #define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
109 typedef struct compat_sigevent {
110 compat_sigval_t sigev_value;
111 compat_int_t sigev_signo;
112 compat_int_t sigev_notify;
114 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE];
118 compat_uptr_t _function;
119 compat_uptr_t _attribute;
125 long compat_sys_semctl(int first, int second, int third, void __user *uptr);
126 long compat_sys_msgsnd(int first, int second, int third, void __user *uptr);
127 long compat_sys_msgrcv(int first, int second, int msgtyp, int third,
128 int version, void __user *uptr);
129 long compat_sys_msgctl(int first, int second, void __user *uptr);
130 long compat_sys_shmat(int first, int second, compat_uptr_t third, int version,
132 long compat_sys_shmctl(int first, int second, void __user *uptr);
133 long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
134 unsigned nsems, const struct compat_timespec __user *timeout);
135 asmlinkage long compat_sys_keyctl(u32 option,
136 u32 arg2, u32 arg3, u32 arg4, u32 arg5);
138 asmlinkage ssize_t compat_sys_readv(unsigned long fd,
139 const struct compat_iovec __user *vec, unsigned long vlen);
140 asmlinkage ssize_t compat_sys_writev(unsigned long fd,
141 const struct compat_iovec __user *vec, unsigned long vlen);
143 int compat_do_execve(char * filename, compat_uptr_t __user *argv,
144 compat_uptr_t __user *envp, struct pt_regs * regs);
146 asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
147 compat_ulong_t __user *outp, compat_ulong_t __user *exp,
148 struct compat_timeval __user *tvp);
150 #define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
152 #define BITS_TO_COMPAT_LONGS(bits) \
153 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
155 long compat_get_bitmap(unsigned long *mask, compat_ulong_t __user *umask,
156 unsigned long bitmap_size);
157 long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
158 unsigned long bitmap_size);
159 int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);
160 int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
161 int get_compat_sigevent(struct sigevent *event,
162 const struct compat_sigevent __user *u_event);
164 #endif /* CONFIG_COMPAT */
165 #endif /* _LINUX_COMPAT_H */