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- #ifndef _LINUX_COMPAT_H
- #define _LINUX_COMPAT_H
- /*
- * These are the type definitions for the architecture specific
- * syscall compatibility layer.
- */
- #include <linux/config.h>
-
- #ifdef CONFIG_COMPAT
-
- #include <linux/stat.h>
- #include <linux/param.h> /* for HZ */
- #include <linux/sem.h>
-
- #include <asm/compat.h>
- #include <asm/siginfo.h>
-
- #define compat_jiffies_to_clock_t(x) \
- (((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
-
- struct rusage;
-
- struct compat_itimerspec {
- struct compat_timespec it_interval;
- struct compat_timespec it_value;
- };
-
- struct compat_utimbuf {
- compat_time_t actime;
- compat_time_t modtime;
- };
-
- struct compat_itimerval {
- struct compat_timeval it_interval;
- struct compat_timeval it_value;
- };
-
- struct compat_tms {
- compat_clock_t tms_utime;
- compat_clock_t tms_stime;
- compat_clock_t tms_cutime;
- compat_clock_t tms_cstime;
- };
-
- #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW)
-
- typedef struct {
- compat_sigset_word sig[_COMPAT_NSIG_WORDS];
- } compat_sigset_t;
-
- extern int cp_compat_stat(struct kstat *, struct compat_stat __user *);
- extern int get_compat_timespec(struct timespec *, const struct compat_timespec __user *);
- extern int put_compat_timespec(const struct timespec *, struct compat_timespec __user *);
-
- struct compat_iovec {
- compat_uptr_t iov_base;
- compat_size_t iov_len;
- };
-
- struct compat_rlimit {
- compat_ulong_t rlim_cur;
- compat_ulong_t rlim_max;
- };
-
- struct compat_rusage {
- struct compat_timeval ru_utime;
- struct compat_timeval ru_stime;
- compat_long_t ru_maxrss;
- compat_long_t ru_ixrss;
- compat_long_t ru_idrss;
- compat_long_t ru_isrss;
- compat_long_t ru_minflt;
- compat_long_t ru_majflt;
- compat_long_t ru_nswap;
- compat_long_t ru_inblock;
- compat_long_t ru_oublock;
- compat_long_t ru_msgsnd;
- compat_long_t ru_msgrcv;
- compat_long_t ru_nsignals;
- compat_long_t ru_nvcsw;
- compat_long_t ru_nivcsw;
- };
-
- extern int put_compat_rusage(const struct rusage *, struct compat_rusage __user *);
-
- struct compat_dirent {
- u32 d_ino;
- compat_off_t d_off;
- u16 d_reclen;
- char d_name[256];
- };
-
- typedef union compat_sigval {
- compat_int_t sival_int;
- compat_uptr_t sival_ptr;
- } compat_sigval_t;
-
- typedef struct compat_sigevent {
- compat_sigval_t sigev_value;
- compat_int_t sigev_signo;
- compat_int_t sigev_notify;
- union {
- compat_int_t _pad[SIGEV_PAD_SIZE];
- compat_int_t _tid;
-
- struct {
- compat_uptr_t _function;
- compat_uptr_t _attribute;
- } _sigev_thread;
- } _sigev_un;
- } compat_sigevent_t;
-
-
- long compat_sys_semctl(int first, int second, int third, void __user *uptr);
- long compat_sys_msgsnd(int first, int second, int third, void __user *uptr);
- long compat_sys_msgrcv(int first, int second, int msgtyp, int third,
- int version, void __user *uptr);
- long compat_sys_msgctl(int first, int second, void __user *uptr);
- long compat_sys_shmat(int first, int second, compat_uptr_t third, int version,
- void __user *uptr);
- long compat_sys_shmctl(int first, int second, void __user *uptr);
- long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
- unsigned nsems, const struct compat_timespec __user *timeout);
- asmlinkage long compat_sys_keyctl(u32 option,
- u32 arg2, u32 arg3, u32 arg4, u32 arg5);
-
- asmlinkage ssize_t compat_sys_readv(unsigned long fd,
- const struct compat_iovec __user *vec, unsigned long vlen);
- asmlinkage ssize_t compat_sys_writev(unsigned long fd,
- const struct compat_iovec __user *vec, unsigned long vlen);
-
- int compat_do_execve(char * filename, compat_uptr_t __user *argv,
- compat_uptr_t __user *envp, struct pt_regs * regs);
-
- asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
- compat_ulong_t __user *outp, compat_ulong_t __user *exp,
- struct compat_timeval __user *tvp);
-
- #define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
-
- #define BITS_TO_COMPAT_LONGS(bits) \
- (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
-
- long compat_get_bitmap(unsigned long *mask, compat_ulong_t __user *umask,
- unsigned long bitmap_size);
- long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
- unsigned long bitmap_size);
- struct compat_siginfo;
- int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);
- int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
- #endif /* CONFIG_COMPAT */
- #endif /* _LINUX_COMPAT_H */
-