diff options
| -rw-r--r-- | include/linux/compat.h | 655 |
1 files changed, 378 insertions, 277 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h index f1649a5e6716..f881cce627f6 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -305,10 +305,6 @@ extern int put_compat_rusage(const struct rusage *, 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; @@ -422,90 +418,6 @@ struct compat_msgbuf; 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); - -asmlinkage long compat_sys_ipc(u32, int, int, u32, compat_uptr_t, u32); -asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg); -asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg); -asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp, - compat_ssize_t msgsz, int msgflg); -asmlinkage long compat_sys_msgrcv(int msqid, compat_uptr_t msgp, - compat_ssize_t msgsz, compat_long_t msgtyp, int msgflg); -long compat_sys_msgctl(int first, int second, 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 long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); - -asmlinkage ssize_t compat_sys_readv(compat_ulong_t fd, - const struct compat_iovec __user *vec, compat_ulong_t vlen); -asmlinkage ssize_t compat_sys_writev(compat_ulong_t fd, - const struct compat_iovec __user *vec, compat_ulong_t vlen); -asmlinkage ssize_t compat_sys_preadv(compat_ulong_t fd, - const struct compat_iovec __user *vec, - compat_ulong_t vlen, u32 pos_low, u32 pos_high); -asmlinkage ssize_t compat_sys_pwritev(compat_ulong_t fd, - const struct compat_iovec __user *vec, - compat_ulong_t vlen, u32 pos_low, u32 pos_high); -asmlinkage ssize_t compat_sys_preadv2(compat_ulong_t fd, - const struct compat_iovec __user *vec, - compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); -asmlinkage ssize_t compat_sys_pwritev2(compat_ulong_t fd, - const struct compat_iovec __user *vec, - compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); - -asmlinkage long compat_sys_quotactl32(unsigned int cmd, - const char __user *special, qid_t id, void __user *addr); - -#ifdef __ARCH_WANT_COMPAT_SYS_PREADV64 -asmlinkage long compat_sys_preadv64(unsigned long fd, - const struct compat_iovec __user *vec, - unsigned long vlen, loff_t pos); -#endif - -#ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64 -asmlinkage long compat_sys_pwritev64(unsigned long fd, - const struct compat_iovec __user *vec, - unsigned long vlen, loff_t pos); -#endif - -#ifdef __ARCH_WANT_COMPAT_SYS_PREADV64V2 -asmlinkage long compat_sys_readv64v2(unsigned long fd, - const struct compat_iovec __user *vec, - unsigned long vlen, loff_t pos, rwf_t flags); -#endif - -#ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64V2 -asmlinkage long compat_sys_pwritev64v2(unsigned long fd, - const struct compat_iovec __user *vec, - unsigned long vlen, loff_t pos, rwf_t flags); -#endif - -asmlinkage long compat_sys_lseek(unsigned int, compat_off_t, unsigned int); - -asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv, - const compat_uptr_t __user *envp); -asmlinkage long compat_sys_execveat(int dfd, const char __user *filename, - const compat_uptr_t __user *argv, - const compat_uptr_t __user *envp, int flags); - -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_old_select(struct compat_sel_arg_struct __user *arg); - -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) DIV_ROUND_UP(bits, BITS_PER_COMPAT_LONG) @@ -518,13 +430,6 @@ int copy_siginfo_from_user32(siginfo_t *to, const struct compat_siginfo __user * int copy_siginfo_to_user32(struct compat_siginfo __user *to, const siginfo_t *from); int get_compat_sigevent(struct sigevent *event, const struct compat_sigevent __user *u_event); -long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, - struct compat_siginfo __user *uinfo); -#ifdef CONFIG_COMPAT_OLD_SIGACTION -asmlinkage long compat_sys_sigaction(int sig, - const struct compat_old_sigaction __user *act, - struct compat_old_sigaction __user *oact); -#endif static inline int compat_timeval_compare(struct compat_timeval *lhs, struct compat_timeval *rhs) @@ -546,13 +451,6 @@ static inline int compat_timespec_compare(struct compat_timespec *lhs, return lhs->tv_nsec - rhs->tv_nsec; } -asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, - struct timezone __user *tz); -asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, - struct timezone __user *tz); - -asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); - extern int get_compat_sigset(sigset_t *set, const compat_sigset_t __user *compat); /* @@ -578,110 +476,132 @@ put_compat_sigset(compat_sigset_t __user *compat, const sigset_t *set, #endif } -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); 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); -asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, compat_size_t); +struct epoll_event; /* fortunately, this one is fixed-layout */ + +extern ssize_t compat_rw_copy_check_uvector(int type, + const struct compat_iovec __user *uvector, + unsigned long nr_segs, + unsigned long fast_segs, struct iovec *fast_pointer, + struct iovec **ret_pointer); + +extern void __user *compat_alloc_user_space(unsigned long len); + +int compat_restore_altstack(const compat_stack_t __user *uss); +int __compat_save_altstack(compat_stack_t __user *, unsigned long); +#define compat_save_altstack_ex(uss, sp) do { \ + compat_stack_t __user *__uss = uss; \ + struct task_struct *t = current; \ + put_user_ex(ptr_to_compat((void __user *)t->sas_ss_sp), &__uss->ss_sp); \ + put_user_ex(t->sas_ss_flags, &__uss->ss_flags); \ + put_user_ex(t->sas_ss_size, &__uss->ss_size); \ + if (t->sas_ss_flags & SS_AUTODISARM) \ + sas_ss_reset(t); \ +} while (0); + /* - * epoll (fs/eventpoll.c) compat bits follow ... + * These syscall function prototypes are kept in the same order as + * include/uapi/asm-generic/unistd.h. Architecture specific entries go below, + * followed by deprecated or obsolete system calls. + * + * Please note that these prototypes here are only provided for information + * purposes, for static analysis, and for linking from the syscall table. + * These functions should not be called elsewhere from kernel code. */ -struct epoll_event; /* fortunately, this one is fixed-layout */ +asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); +asmlinkage long compat_sys_io_submit(compat_aio_context_t ctx_id, int nr, + u32 __user *iocb); +asmlinkage long compat_sys_io_getevents(compat_aio_context_t ctx_id, + compat_long_t min_nr, + compat_long_t nr, + struct io_event __user *events, + struct compat_timespec __user *timeout); + +/* fs/cookies.c */ +asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, compat_size_t); + +/* fs/eventpoll.c */ asmlinkage long compat_sys_epoll_pwait(int epfd, struct epoll_event __user *events, int maxevents, int timeout, const compat_sigset_t __user *sigmask, compat_size_t sigsetsize); -asmlinkage long compat_sys_utime(const char __user *filename, - struct compat_utimbuf __user *t); -asmlinkage long compat_sys_utimensat(unsigned int dfd, - const char __user *filename, - struct compat_timespec __user *t, - int flags); +/* fs/fcntl.c */ +asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, + compat_ulong_t arg); +asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, + compat_ulong_t arg); -asmlinkage long compat_sys_time(compat_time_t __user *tloc); -asmlinkage long compat_sys_stime(compat_time_t __user *tptr); -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); +/* fs/ioctl.c */ +asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, + compat_ulong_t arg); -asmlinkage long compat_sys_move_pages(pid_t pid, compat_ulong_t nr_pages, - __u32 __user *pages, - const int __user *nodes, - int __user *status, - int flags); -asmlinkage long compat_sys_futimesat(unsigned int dfd, - const char __user *filename, - struct compat_timeval __user *t); -asmlinkage long compat_sys_utimes(const char __user *filename, - struct compat_timeval __user *t); -asmlinkage long compat_sys_newstat(const char __user *filename, - struct compat_stat __user *statbuf); -asmlinkage long compat_sys_newlstat(const char __user *filename, - struct compat_stat __user *statbuf); -asmlinkage long compat_sys_newfstatat(unsigned int dfd, - const char __user *filename, - struct compat_stat __user *statbuf, - int flag); -asmlinkage long compat_sys_newfstat(unsigned int fd, - struct compat_stat __user *statbuf); +/* fs/namespace.c */ +asmlinkage long compat_sys_mount(const char __user *dev_name, + const char __user *dir_name, + const char __user *type, compat_ulong_t flags, + const void __user *data); + +/* fs/open.c */ asmlinkage long compat_sys_statfs(const char __user *pathname, struct compat_statfs __user *buf); -asmlinkage long compat_sys_fstatfs(unsigned int fd, - struct compat_statfs __user *buf); asmlinkage long compat_sys_statfs64(const char __user *pathname, compat_size_t sz, struct compat_statfs64 __user *buf); +asmlinkage long compat_sys_fstatfs(unsigned int fd, + struct compat_statfs __user *buf); asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, struct compat_statfs64 __user *buf); -asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, - compat_ulong_t arg); -asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, - compat_ulong_t arg); -asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); -asmlinkage long compat_sys_io_getevents(compat_aio_context_t ctx_id, - compat_long_t min_nr, - compat_long_t nr, - struct io_event __user *events, - struct compat_timespec __user *timeout); -asmlinkage long compat_sys_io_submit(compat_aio_context_t ctx_id, int nr, - u32 __user *iocb); -asmlinkage long compat_sys_mount(const char __user *dev_name, - const char __user *dir_name, - const char __user *type, compat_ulong_t flags, - const void __user *data); -asmlinkage long compat_sys_old_readdir(unsigned int fd, - struct compat_old_linux_dirent __user *, - unsigned int count); +asmlinkage long compat_sys_truncate(const char __user *, compat_off_t); +asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t); +/* No generic prototype for truncate64, ftruncate64, fallocate */ +asmlinkage long compat_sys_openat(int dfd, const char __user *filename, + int flags, umode_t mode); + +/* fs/readdir.c */ asmlinkage long compat_sys_getdents(unsigned int fd, struct compat_linux_dirent __user *dirent, unsigned int count); -asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, - unsigned int nr_segs, unsigned int flags); -asmlinkage long compat_sys_open(const char __user *filename, int flags, - umode_t mode); -asmlinkage long compat_sys_openat(int dfd, const char __user *filename, - int flags, umode_t mode); -asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, - struct file_handle __user *handle, - int flags); -asmlinkage long compat_sys_truncate(const char __user *, compat_off_t); -asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t); + +/* fs/read_write.c */ +asmlinkage long compat_sys_lseek(unsigned int, compat_off_t, unsigned int); +asmlinkage ssize_t compat_sys_readv(compat_ulong_t fd, + const struct compat_iovec __user *vec, compat_ulong_t vlen); +asmlinkage ssize_t compat_sys_writev(compat_ulong_t fd, + const struct compat_iovec __user *vec, compat_ulong_t vlen); +/* No generic prototype for pread64 and pwrite64 */ +asmlinkage ssize_t compat_sys_preadv(compat_ulong_t fd, + const struct compat_iovec __user *vec, + compat_ulong_t vlen, u32 pos_low, u32 pos_high); +asmlinkage ssize_t compat_sys_pwritev(compat_ulong_t fd, + const struct compat_iovec __user *vec, + compat_ulong_t vlen, u32 pos_low, u32 pos_high); +#ifdef __ARCH_WANT_COMPAT_SYS_PREADV64 +asmlinkage long compat_sys_preadv64(unsigned long fd, + const struct compat_iovec __user *vec, + unsigned long vlen, loff_t pos); +#endif + +#ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64 +asmlinkage long compat_sys_pwritev64(unsigned long fd, + const struct compat_iovec __user *vec, + unsigned long vlen, loff_t pos); +#endif + +/* fs/sendfile.c */ +asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, + compat_off_t __user *offset, compat_size_t count); +asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd, + compat_loff_t __user *offset, compat_size_t count); + +/* fs/select.c */ asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, compat_ulong_t __user *outp, compat_ulong_t __user *exp, @@ -692,110 +612,149 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, struct compat_timespec __user *tsp, const compat_sigset_t __user *sigmask, compat_size_t sigsetsize); + +/* fs/signalfd.c */ asmlinkage long compat_sys_signalfd4(int ufd, const compat_sigset_t __user *sigmask, compat_size_t sigsetsize, int flags); -asmlinkage long compat_sys_get_mempolicy(int __user *policy, - compat_ulong_t __user *nmask, - compat_ulong_t maxnode, - compat_ulong_t addr, - compat_ulong_t flags); -asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, - compat_ulong_t maxnode); -asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, - compat_ulong_t mode, - compat_ulong_t __user *nmask, - compat_ulong_t maxnode, compat_ulong_t flags); -asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, - char __user *optval, unsigned int optlen); -asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, - unsigned flags); -asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, - unsigned vlen, unsigned int flags); -asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, - unsigned int flags); -asmlinkage long compat_sys_recv(int fd, void __user *buf, compat_size_t len, - unsigned flags); -asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, compat_size_t len, - unsigned flags, struct sockaddr __user *addr, - int __user *addrlen); -asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, - unsigned vlen, unsigned int flags, - struct compat_timespec __user *timeout); +/* fs/splice.c */ +asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, + unsigned int nr_segs, unsigned int flags); + +/* fs/stat.c */ +asmlinkage long compat_sys_newfstatat(unsigned int dfd, + const char __user *filename, + struct compat_stat __user *statbuf, + int flag); +asmlinkage long compat_sys_newfstat(unsigned int fd, + struct compat_stat __user *statbuf); + +/* fs/sync.c: No generic prototype for sync_file_range and sync_file_range2 */ + +/* fs/timerfd.c */ +asmlinkage long compat_sys_timerfd_gettime(int ufd, + struct compat_itimerspec __user *otmr); +asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, + const struct compat_itimerspec __user *utmr, + struct compat_itimerspec __user *otmr); + +/* fs/utimes.c */ +asmlinkage long compat_sys_utimensat(unsigned int dfd, + const char __user *filename, + struct compat_timespec __user *t, + int flags); + +/* kernel/exit.c */ +asmlinkage long compat_sys_waitid(int, compat_pid_t, + struct compat_siginfo __user *, int, + struct compat_rusage __user *); + + + +/* kernel/futex.c */ +asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, + struct compat_timespec __user *utime, u32 __user *uaddr2, + u32 val3); +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); + +/* kernel/hrtimer.c */ asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp, struct compat_timespec __user *rmtp); + +/* kernel/itimer.c */ asmlinkage long compat_sys_getitimer(int which, struct compat_itimerval __user *it); asmlinkage long compat_sys_setitimer(int which, struct compat_itimerval __user *in, struct compat_itimerval __user *out); -asmlinkage long compat_sys_times(struct compat_tms __user *tbuf); -asmlinkage long compat_sys_setrlimit(unsigned int resource, - struct compat_rlimit __user *rlim); -asmlinkage long compat_sys_getrlimit(unsigned int resource, - struct compat_rlimit __user *rlim); -asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru); -asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, - unsigned int len, - compat_ulong_t __user *user_mask_ptr); -asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, - unsigned int len, - compat_ulong_t __user *user_mask_ptr); + +/* kernel/kexec.c */ +asmlinkage long compat_sys_kexec_load(compat_ulong_t entry, + compat_ulong_t nr_segments, + struct compat_kexec_segment __user *, + compat_ulong_t flags); + +/* kernel/posix-timers.c */ asmlinkage long compat_sys_timer_create(clockid_t which_clock, struct compat_sigevent __user *timer_event_spec, timer_t __user *created_timer_id); +asmlinkage long compat_sys_timer_gettime(timer_t timer_id, + struct compat_itimerspec __user *setting); asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags, struct compat_itimerspec __user *new, struct compat_itimerspec __user *old); -asmlinkage long compat_sys_timer_gettime(timer_t timer_id, - struct compat_itimerspec __user *setting); asmlinkage long compat_sys_clock_settime(clockid_t which_clock, struct compat_timespec __user *tp); asmlinkage long compat_sys_clock_gettime(clockid_t which_clock, struct compat_timespec __user *tp); -asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, - struct compat_timex __user *tp); asmlinkage long compat_sys_clock_getres(clockid_t which_clock, struct compat_timespec __user *tp); asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, struct compat_timespec __user *rqtp, struct compat_timespec __user *rmtp); -asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, - struct compat_siginfo __user *uinfo, - struct compat_timespec __user *uts, compat_size_t sigsetsize); + +/* kernel/ptrace.c */ +asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, + compat_long_t addr, compat_long_t data); + +/* kernel/sched/core.c */ +asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, + unsigned int len, + compat_ulong_t __user *user_mask_ptr); +asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, + unsigned int len, + compat_ulong_t __user *user_mask_ptr); +asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, + struct compat_timespec __user *interval); + +/* kernel/signal.c */ +asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, + compat_stack_t __user *uoss_ptr); asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, compat_size_t sigsetsize); -asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set, - compat_sigset_t __user *oset, - compat_size_t sigsetsize); -asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset, - compat_size_t sigsetsize); #ifndef CONFIG_ODD_RT_SIGACTION asmlinkage long compat_sys_rt_sigaction(int, const struct compat_sigaction __user *, struct compat_sigaction __user *, compat_size_t); #endif +asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set, + compat_sigset_t __user *oset, + compat_size_t sigsetsize); +asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset, + compat_size_t sigsetsize); +asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, + struct compat_siginfo __user *uinfo, + struct compat_timespec __user *uts, compat_size_t sigsetsize); asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig, struct compat_siginfo __user *uinfo); +/* No generic prototype for rt_sigreturn */ + +/* kernel/sys.c */ +asmlinkage long compat_sys_times(struct compat_tms __user *tbuf); +asmlinkage long compat_sys_getrlimit(unsigned int resource, + struct compat_rlimit __user *rlim); +asmlinkage long compat_sys_setrlimit(unsigned int resource, + struct compat_rlimit __user *rlim); +asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru); + +/* kernel/time.c */ +asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, + struct timezone __user *tz); +asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, + struct timezone __user *tz); +asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); + +/* kernel/timer.c */ asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); -asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, - compat_ulong_t arg); -asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, - struct compat_timespec __user *utime, u32 __user *uaddr2, - u32 val3); -asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, - char __user *optval, int __user *optlen); -asmlinkage long compat_sys_kexec_load(compat_ulong_t entry, - compat_ulong_t nr_segments, - struct compat_kexec_segment __user *, - compat_ulong_t flags); -asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, - const struct compat_mq_attr __user *u_mqstat, - struct compat_mq_attr __user *u_omqstat); -asmlinkage long compat_sys_mq_notify(mqd_t mqdes, - const struct compat_sigevent __user *u_notification); + +/* ipc/mqueue.c */ asmlinkage long compat_sys_mq_open(const char __user *u_name, int oflag, compat_mode_t mode, struct compat_mq_attr __user *u_attr); @@ -807,17 +766,92 @@ asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes, char __user *u_msg_ptr, compat_size_t msg_len, unsigned int __user *u_msg_prio, const struct compat_timespec __user *u_abs_timeout); -asmlinkage long compat_sys_socketcall(int call, u32 __user *args); -asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args); +asmlinkage long compat_sys_mq_notify(mqd_t mqdes, + const struct compat_sigevent __user *u_notification); +asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, + const struct compat_mq_attr __user *u_mqstat, + struct compat_mq_attr __user *u_omqstat); -extern ssize_t compat_rw_copy_check_uvector(int type, - const struct compat_iovec __user *uvector, - unsigned long nr_segs, - unsigned long fast_segs, struct iovec *fast_pointer, - struct iovec **ret_pointer); +/* ipc/msg.c */ +asmlinkage long compat_sys_msgctl(int first, int second, void __user *uptr); +asmlinkage long compat_sys_msgrcv(int msqid, compat_uptr_t msgp, + compat_ssize_t msgsz, compat_long_t msgtyp, int msgflg); +asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp, + compat_ssize_t msgsz, int msgflg); -extern void __user *compat_alloc_user_space(unsigned long len); +/* ipc/sem.c */ +asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg); +asmlinkage long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, + unsigned nsems, const struct compat_timespec __user *timeout); + +/* ipc/shm.c */ +asmlinkage long compat_sys_shmctl(int first, int second, void __user *uptr); +asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg); +/* net/socket.c */ +asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, compat_size_t len, + unsigned flags, struct sockaddr __user *addr, + int __user *addrlen); +asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, + char __user *optval, unsigned int optlen); +asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, + char __user *optval, int __user *optlen); +asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, + unsigned flags); +asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, + unsigned int flags); + +/* mm/filemap.c: No generic prototype for readahead */ + +/* security/keys/keyctl.c */ +asmlinkage long compat_sys_keyctl(u32 option, + u32 arg2, u32 arg3, u32 arg4, u32 arg5); + +/* arch/example/kernel/sys_example.c */ +asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv, + const compat_uptr_t __user *envp); + +/* mm/fadvise.c: No generic prototype for fadvise64_64 */ + +/* mm/, CONFIG_MMU only */ +asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, + compat_ulong_t mode, + compat_ulong_t __user *nmask, + compat_ulong_t maxnode, compat_ulong_t flags); +asmlinkage long compat_sys_get_mempolicy(int __user *policy, + compat_ulong_t __user *nmask, + compat_ulong_t maxnode, + compat_ulong_t addr, + compat_ulong_t flags); +asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, + compat_ulong_t maxnode); +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); +asmlinkage long compat_sys_move_pages(pid_t pid, compat_ulong_t nr_pages, + __u32 __user *pages, + const int __user *nodes, + int __user *status, + int flags); + +asmlinkage long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, + compat_pid_t pid, int sig, + struct compat_siginfo __user *uinfo); +asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, + unsigned vlen, unsigned int flags, + struct compat_timespec __user *timeout); +asmlinkage long compat_sys_wait4(compat_pid_t pid, + compat_uint_t __user *stat_addr, int options, + struct compat_rusage __user *ru); +asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32, + int, const char __user *); +asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, + struct file_handle __user *handle, + int flags); +asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, + struct compat_timex __user *tp); +asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, + unsigned vlen, unsigned int flags); asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid, const struct compat_iovec __user *lvec, compat_ulong_t liovcnt, const struct compat_iovec __user *rvec, @@ -826,14 +860,89 @@ asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid, const struct compat_iovec __user *lvec, compat_ulong_t liovcnt, const struct compat_iovec __user *rvec, compat_ulong_t riovcnt, compat_ulong_t flags); +asmlinkage long compat_sys_execveat(int dfd, const char __user *filename, + const compat_uptr_t __user *argv, + const compat_uptr_t __user *envp, int flags); +asmlinkage ssize_t compat_sys_preadv2(compat_ulong_t fd, + const struct compat_iovec __user *vec, + compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); +asmlinkage ssize_t compat_sys_pwritev2(compat_ulong_t fd, + const struct compat_iovec __user *vec, + compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); +#ifdef __ARCH_WANT_COMPAT_SYS_PREADV64V2 +asmlinkage long compat_sys_readv64v2(unsigned long fd, + const struct compat_iovec __user *vec, + unsigned long vlen, loff_t pos, rwf_t flags); +#endif + +#ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64V2 +asmlinkage long compat_sys_pwritev64v2(unsigned long fd, + const struct compat_iovec __user *vec, + unsigned long vlen, loff_t pos, rwf_t flags); +#endif -asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, - compat_off_t __user *offset, compat_size_t count); -asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd, - compat_loff_t __user *offset, compat_size_t count); -asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, - compat_stack_t __user *uoss_ptr); +/* + * Architecture-specific system calls + */ + +/* fs/quota/compat.c -- x86 only */ +asmlinkage long compat_sys_quotactl32(unsigned int cmd, + const char __user *special, qid_t id, void __user *addr); + +/* arch_prctl -- x86 */ +asmlinkage long compat_sys_arch_prctl(int option, unsigned long arg2); + + +/* + * Deprecated system calls which are still defined in + * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch + */ + +/* __ARCH_WANT_SYSCALL_NO_AT */ +asmlinkage long compat_sys_open(const char __user *filename, int flags, + umode_t mode); +asmlinkage long compat_sys_utimes(const char __user *filename, + struct compat_timeval __user *t); + +/* __ARCH_WANT_SYSCALL_NO_FLAGS */ +asmlinkage long compat_sys_signalfd(int ufd, + const compat_sigset_t __user *sigmask, + compat_size_t sigsetsize); + +/* __ARCH_WANT_SYSCALL_OFF_T */ +asmlinkage long compat_sys_newstat(const char __user *filename, + struct compat_stat __user *statbuf); +asmlinkage long compat_sys_newlstat(const char __user *filename, + struct compat_stat __user *statbuf); + +/* __ARCH_WANT_SYSCALL_DEPRECATED */ +asmlinkage long compat_sys_time(compat_time_t __user *tloc); +asmlinkage long compat_sys_utime(const char __user *filename, + struct compat_utimbuf __user *t); +asmlinkage long compat_sys_futimesat(unsigned int dfd, + const char __user *filename, + struct compat_timeval __user *t); +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_ustat(unsigned dev, struct compat_ustat __user *u32); +asmlinkage long compat_sys_recv(int fd, void __user *buf, compat_size_t len, + unsigned flags); +asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args); + +/* obsolete: fs/readdir.c */ +asmlinkage long compat_sys_old_readdir(unsigned int fd, + struct compat_old_linux_dirent __user *, + unsigned int count); + +/* obsolete: fs/select.c */ +asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg); + +/* obsolete: ipc */ +asmlinkage long compat_sys_ipc(u32, int, int, u32, compat_uptr_t, u32); + +/* obsolete: kernel/signal.c */ #ifdef __ARCH_WANT_SYS_SIGPENDING asmlinkage long compat_sys_sigpending(compat_old_sigset_t __user *set); #endif @@ -842,26 +951,18 @@ asmlinkage long compat_sys_sigpending(compat_old_sigset_t __user *set); asmlinkage long compat_sys_sigprocmask(int how, compat_old_sigset_t __user *nset, compat_old_sigset_t __user *oset); #endif +#ifdef CONFIG_COMPAT_OLD_SIGACTION +asmlinkage long compat_sys_sigaction(int sig, + const struct compat_old_sigaction __user *act, + struct compat_old_sigaction __user *oact); +#endif -int compat_restore_altstack(const compat_stack_t __user *uss); -int __compat_save_altstack(compat_stack_t __user *, unsigned long); -#define compat_save_altstack_ex(uss, sp) do { \ - compat_stack_t __user *__uss = uss; \ - struct task_struct *t = current; \ - put_user_ex(ptr_to_compat((void __user *)t->sas_ss_sp), &__uss->ss_sp); \ - put_user_ex(t->sas_ss_flags, &__uss->ss_flags); \ - put_user_ex(t->sas_ss_size, &__uss->ss_size); \ - if (t->sas_ss_flags & SS_AUTODISARM) \ - sas_ss_reset(t); \ -} while (0); - -asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, - struct compat_timespec __user *interval); +/* obsolete: kernel/time/time.c */ +asmlinkage long compat_sys_stime(compat_time_t __user *tptr); -asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32, - int, const char __user *); +/* obsolete: net/socket.c */ +asmlinkage long compat_sys_socketcall(int call, u32 __user *args); -asmlinkage long compat_sys_arch_prctl(int option, unsigned long arg2); /* * For most but not all architectures, "am I in a compat syscall?" and |