#ifndef _LINUX_COMPAT_H #define _LINUX_COMPAT_H /* * These are the type definitions for the architecture specific * syscall compatibility layer. */ #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> #include <asm/signal.h> #define compat_jiffies_to_clock_t(x) \ (((unsigned long)(x) * COMPAT_USER_HZ) / HZ) typedef __compat_uid32_t compat_uid_t; typedef __compat_gid32_t compat_gid_t; 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; }; struct compat_timex { compat_uint_t modes; compat_long_t offset; compat_long_t freq; compat_long_t maxerror; compat_long_t esterror; compat_int_t status; compat_long_t constant; compat_long_t precision; compat_long_t tolerance; struct compat_timeval time; compat_long_t tick; compat_long_t ppsfreq; compat_long_t jitter; compat_int_t shift; compat_long_t stabil; compat_long_t jitcnt; compat_long_t calcnt; compat_long_t errcnt; compat_long_t stbcnt; compat_int_t tai; compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32; }; #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_siginfo; extern asmlinkage long compat_sys_waitid(int, compat_pid_t, struct compat_siginfo __user *, int, 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; #define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) typedef struct compat_sigevent { compat_sigval_t sigev_value; compat_int_t sigev_signo; compat_int_t sigev_notify; union { compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE]; compat_int_t _tid; struct { compat_uptr_t _function; compat_uptr_t _attribute; } _sigev_thread; } _sigev_un; } compat_sigevent_t; struct compat_robust_list { compat_uptr_t next; }; struct compat_robust_list_head { struct compat_robust_list list; compat_long_t futex_offset; compat_uptr_t list_op_pending; }; extern void compat_exit_robust_list(struct task_struct *curr); asmlinkage long compat_sys_set_robust_list(struct compat_robust_list_head __user *head, compat_size_t len); asmlinkage long compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, compat_size_t __user *len_ptr); 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); asmlinkage long compat_sys_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options, struct compat_rusage __user *ru); #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, const 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); 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); int get_compat_sigevent(struct sigevent *event, const struct compat_sigevent __user *u_event); static inline int compat_timeval_compare(struct compat_timeval *lhs, struct compat_timeval *rhs) { if (lhs->tv_sec < rhs->tv_sec) return -1; if (lhs->tv_sec > rhs->tv_sec) return 1; return lhs->tv_usec - rhs->tv_usec; } static inline int compat_timespec_compare(struct compat_timespec *lhs, struct compat_timespec *rhs) { if (lhs->tv_sec < rhs->tv_sec) return -1; if (lhs->tv_sec > rhs->tv_sec) return 1; return lhs->tv_nsec - rhs->tv_nsec; } extern int get_compat_itimerspec(struct itimerspec *dst, const struct compat_itimerspec __user *src); extern int put_compat_itimerspec(struct compat_itimerspec __user *dst, const struct itimerspec *src); asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); extern int compat_printk(const char *fmt, ...); extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat); asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, const compat_ulong_t __user *new_nodes); extern int compat_ptrace_request(struct task_struct *child, compat_long_t request, compat_ulong_t addr, compat_ulong_t data); #ifdef __ARCH_WANT_COMPAT_SYS_PTRACE extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, compat_ulong_t addr, compat_ulong_t data); asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, compat_long_t addr, compat_long_t data); #endif /* __ARCH_WANT_COMPAT_SYS_PTRACE */ /* * epoll (fs/eventpoll.c) compat bits follow ... */ struct epoll_event; #define compat_epoll_event epoll_event asmlinkage long compat_sys_epoll_pwait(int epfd, struct compat_epoll_event __user *events, int maxevents, int timeout, const compat_sigset_t __user *sigmask, compat_size_t sigsetsize); asmlinkage long compat_sys_utimensat(unsigned int dfd, char __user *filename, struct compat_timespec __user *t, int flags); asmlinkage long compat_sys_signalfd(int ufd, const compat_sigset_t __user *sigmask, compat_size_t sigsetsize); asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, const struct compat_itimerspec __user *utmr, struct compat_itimerspec __user *otmr); asmlinkage long compat_sys_timerfd_gettime(int ufd, struct compat_itimerspec __user *otmr); #endif /* CONFIG_COMPAT */ #endif /* _LINUX_COMPAT_H */