1 #ifndef _LINUX_COMPAT_H 2 #define _LINUX_COMPAT_H 3 /* 4 * These are the type definitions for the architecture specific 5 * syscall compatibility layer. 6 */ 7 8 #ifdef CONFIG_COMPAT 9 10 #include <linux/stat.h> 11 #include <linux/param.h> /* for HZ */ 12 #include <linux/sem.h> 13 #include <linux/socket.h> 14 #include <linux/if.h> 15 #include <linux/fs.h> 16 #include <linux/aio_abi.h> /* for aio_context_t */ 17 18 #include <asm/compat.h> 19 #include <asm/siginfo.h> 20 #include <asm/signal.h> 21 22 #define compat_jiffies_to_clock_t(x) \ 23 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ) 24 25 typedef __compat_uid32_t compat_uid_t; 26 typedef __compat_gid32_t compat_gid_t; 27 28 struct compat_sel_arg_struct; 29 struct rusage; 30 31 struct compat_itimerspec { 32 struct compat_timespec it_interval; 33 struct compat_timespec it_value; 34 }; 35 36 struct compat_utimbuf { 37 compat_time_t actime; 38 compat_time_t modtime; 39 }; 40 41 struct compat_itimerval { 42 struct compat_timeval it_interval; 43 struct compat_timeval it_value; 44 }; 45 46 struct compat_tms { 47 compat_clock_t tms_utime; 48 compat_clock_t tms_stime; 49 compat_clock_t tms_cutime; 50 compat_clock_t tms_cstime; 51 }; 52 53 struct compat_timex { 54 compat_uint_t modes; 55 compat_long_t offset; 56 compat_long_t freq; 57 compat_long_t maxerror; 58 compat_long_t esterror; 59 compat_int_t status; 60 compat_long_t constant; 61 compat_long_t precision; 62 compat_long_t tolerance; 63 struct compat_timeval time; 64 compat_long_t tick; 65 compat_long_t ppsfreq; 66 compat_long_t jitter; 67 compat_int_t shift; 68 compat_long_t stabil; 69 compat_long_t jitcnt; 70 compat_long_t calcnt; 71 compat_long_t errcnt; 72 compat_long_t stbcnt; 73 compat_int_t tai; 74 75 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 76 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 77 compat_int_t:32; compat_int_t:32; compat_int_t:32; 78 }; 79 80 #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW) 81 82 typedef struct { 83 compat_sigset_word sig[_COMPAT_NSIG_WORDS]; 84 } compat_sigset_t; 85 86 extern int get_compat_timespec(struct timespec *, 87 const struct compat_timespec __user *); 88 extern int put_compat_timespec(const struct timespec *, 89 struct compat_timespec __user *); 90 91 struct compat_iovec { 92 compat_uptr_t iov_base; 93 compat_size_t iov_len; 94 }; 95 96 struct compat_rlimit { 97 compat_ulong_t rlim_cur; 98 compat_ulong_t rlim_max; 99 }; 100 101 struct compat_rusage { 102 struct compat_timeval ru_utime; 103 struct compat_timeval ru_stime; 104 compat_long_t ru_maxrss; 105 compat_long_t ru_ixrss; 106 compat_long_t ru_idrss; 107 compat_long_t ru_isrss; 108 compat_long_t ru_minflt; 109 compat_long_t ru_majflt; 110 compat_long_t ru_nswap; 111 compat_long_t ru_inblock; 112 compat_long_t ru_oublock; 113 compat_long_t ru_msgsnd; 114 compat_long_t ru_msgrcv; 115 compat_long_t ru_nsignals; 116 compat_long_t ru_nvcsw; 117 compat_long_t ru_nivcsw; 118 }; 119 120 extern int put_compat_rusage(const struct rusage *, 121 struct compat_rusage __user *); 122 123 struct compat_siginfo; 124 125 extern asmlinkage long compat_sys_waitid(int, compat_pid_t, 126 struct compat_siginfo __user *, int, 127 struct compat_rusage __user *); 128 129 struct compat_dirent { 130 u32 d_ino; 131 compat_off_t d_off; 132 u16 d_reclen; 133 char d_name[256]; 134 }; 135 136 struct compat_ustat { 137 compat_daddr_t f_tfree; 138 compat_ino_t f_tinode; 139 char f_fname[6]; 140 char f_fpack[6]; 141 }; 142 143 typedef union compat_sigval { 144 compat_int_t sival_int; 145 compat_uptr_t sival_ptr; 146 } compat_sigval_t; 147 148 #define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) 149 150 typedef struct compat_sigevent { 151 compat_sigval_t sigev_value; 152 compat_int_t sigev_signo; 153 compat_int_t sigev_notify; 154 union { 155 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE]; 156 compat_int_t _tid; 157 158 struct { 159 compat_uptr_t _function; 160 compat_uptr_t _attribute; 161 } _sigev_thread; 162 } _sigev_un; 163 } compat_sigevent_t; 164 165 struct compat_ifmap { 166 compat_ulong_t mem_start; 167 compat_ulong_t mem_end; 168 unsigned short base_addr; 169 unsigned char irq; 170 unsigned char dma; 171 unsigned char port; 172 }; 173 174 struct compat_if_settings { 175 unsigned int type; /* Type of physical device or protocol */ 176 unsigned int size; /* Size of the data allocated by the caller */ 177 compat_uptr_t ifs_ifsu; /* union of pointers */ 178 }; 179 180 struct compat_ifreq { 181 union { 182 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 183 } ifr_ifrn; 184 union { 185 struct sockaddr ifru_addr; 186 struct sockaddr ifru_dstaddr; 187 struct sockaddr ifru_broadaddr; 188 struct sockaddr ifru_netmask; 189 struct sockaddr ifru_hwaddr; 190 short ifru_flags; 191 compat_int_t ifru_ivalue; 192 compat_int_t ifru_mtu; 193 struct compat_ifmap ifru_map; 194 char ifru_slave[IFNAMSIZ]; /* Just fits the size */ 195 char ifru_newname[IFNAMSIZ]; 196 compat_caddr_t ifru_data; 197 struct compat_if_settings ifru_settings; 198 } ifr_ifru; 199 }; 200 201 struct compat_ifconf { 202 compat_int_t ifc_len; /* size of buffer */ 203 compat_caddr_t ifcbuf; 204 }; 205 206 struct compat_robust_list { 207 compat_uptr_t next; 208 }; 209 210 struct compat_robust_list_head { 211 struct compat_robust_list list; 212 compat_long_t futex_offset; 213 compat_uptr_t list_op_pending; 214 }; 215 216 struct compat_statfs; 217 struct compat_statfs64; 218 struct compat_old_linux_dirent; 219 struct compat_linux_dirent; 220 struct linux_dirent64; 221 struct compat_msghdr; 222 struct compat_mmsghdr; 223 struct compat_sysinfo; 224 struct compat_sysctl_args; 225 struct compat_kexec_segment; 226 struct compat_mq_attr; 227 228 extern void compat_exit_robust_list(struct task_struct *curr); 229 230 asmlinkage long 231 compat_sys_set_robust_list(struct compat_robust_list_head __user *head, 232 compat_size_t len); 233 asmlinkage long 234 compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, 235 compat_size_t __user *len_ptr); 236 237 long compat_sys_semctl(int first, int second, int third, void __user *uptr); 238 long compat_sys_msgsnd(int first, int second, int third, void __user *uptr); 239 long compat_sys_msgrcv(int first, int second, int msgtyp, int third, 240 int version, void __user *uptr); 241 long compat_sys_msgctl(int first, int second, void __user *uptr); 242 long compat_sys_shmat(int first, int second, compat_uptr_t third, int version, 243 void __user *uptr); 244 long compat_sys_shmctl(int first, int second, void __user *uptr); 245 long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, 246 unsigned nsems, const struct compat_timespec __user *timeout); 247 asmlinkage long compat_sys_keyctl(u32 option, 248 u32 arg2, u32 arg3, u32 arg4, u32 arg5); 249 asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); 250 251 asmlinkage ssize_t compat_sys_readv(unsigned long fd, 252 const struct compat_iovec __user *vec, unsigned long vlen); 253 asmlinkage ssize_t compat_sys_writev(unsigned long fd, 254 const struct compat_iovec __user *vec, unsigned long vlen); 255 asmlinkage ssize_t compat_sys_preadv(unsigned long fd, 256 const struct compat_iovec __user *vec, 257 unsigned long vlen, u32 pos_low, u32 pos_high); 258 asmlinkage ssize_t compat_sys_pwritev(unsigned long fd, 259 const struct compat_iovec __user *vec, 260 unsigned long vlen, u32 pos_low, u32 pos_high); 261 262 int compat_do_execve(char *filename, compat_uptr_t __user *argv, 263 compat_uptr_t __user *envp, struct pt_regs *regs); 264 265 asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, 266 compat_ulong_t __user *outp, compat_ulong_t __user *exp, 267 struct compat_timeval __user *tvp); 268 269 asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg); 270 271 asmlinkage long compat_sys_wait4(compat_pid_t pid, 272 compat_uint_t __user *stat_addr, int options, 273 struct compat_rusage __user *ru); 274 275 #define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t)) 276 277 #define BITS_TO_COMPAT_LONGS(bits) \ 278 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG) 279 280 long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, 281 unsigned long bitmap_size); 282 long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, 283 unsigned long bitmap_size); 284 int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from); 285 int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from); 286 int get_compat_sigevent(struct sigevent *event, 287 const struct compat_sigevent __user *u_event); 288 long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, 289 struct compat_siginfo __user *uinfo); 290 291 static inline int compat_timeval_compare(struct compat_timeval *lhs, 292 struct compat_timeval *rhs) 293 { 294 if (lhs->tv_sec < rhs->tv_sec) 295 return -1; 296 if (lhs->tv_sec > rhs->tv_sec) 297 return 1; 298 return lhs->tv_usec - rhs->tv_usec; 299 } 300 301 static inline int compat_timespec_compare(struct compat_timespec *lhs, 302 struct compat_timespec *rhs) 303 { 304 if (lhs->tv_sec < rhs->tv_sec) 305 return -1; 306 if (lhs->tv_sec > rhs->tv_sec) 307 return 1; 308 return lhs->tv_nsec - rhs->tv_nsec; 309 } 310 311 extern int get_compat_itimerspec(struct itimerspec *dst, 312 const struct compat_itimerspec __user *src); 313 extern int put_compat_itimerspec(struct compat_itimerspec __user *dst, 314 const struct itimerspec *src); 315 316 asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, 317 struct timezone __user *tz); 318 asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, 319 struct timezone __user *tz); 320 321 asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); 322 323 extern int compat_printk(const char *fmt, ...); 324 extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat); 325 326 asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, 327 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, 328 const compat_ulong_t __user *new_nodes); 329 330 extern int compat_ptrace_request(struct task_struct *child, 331 compat_long_t request, 332 compat_ulong_t addr, compat_ulong_t data); 333 334 extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, 335 compat_ulong_t addr, compat_ulong_t data); 336 asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, 337 compat_long_t addr, compat_long_t data); 338 339 /* 340 * epoll (fs/eventpoll.c) compat bits follow ... 341 */ 342 struct epoll_event; 343 #define compat_epoll_event epoll_event 344 asmlinkage long compat_sys_epoll_pwait(int epfd, 345 struct compat_epoll_event __user *events, 346 int maxevents, int timeout, 347 const compat_sigset_t __user *sigmask, 348 compat_size_t sigsetsize); 349 350 asmlinkage long compat_sys_utime(const char __user *filename, 351 struct compat_utimbuf __user *t); 352 asmlinkage long compat_sys_utimensat(unsigned int dfd, 353 const char __user *filename, 354 struct compat_timespec __user *t, 355 int flags); 356 357 asmlinkage long compat_sys_time(compat_time_t __user *tloc); 358 asmlinkage long compat_sys_stime(compat_time_t __user *tptr); 359 asmlinkage long compat_sys_signalfd(int ufd, 360 const compat_sigset_t __user *sigmask, 361 compat_size_t sigsetsize); 362 asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, 363 const struct compat_itimerspec __user *utmr, 364 struct compat_itimerspec __user *otmr); 365 asmlinkage long compat_sys_timerfd_gettime(int ufd, 366 struct compat_itimerspec __user *otmr); 367 368 asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page, 369 __u32 __user *pages, 370 const int __user *nodes, 371 int __user *status, 372 int flags); 373 asmlinkage long compat_sys_futimesat(unsigned int dfd, 374 const char __user *filename, 375 struct compat_timeval __user *t); 376 asmlinkage long compat_sys_utimes(const char __user *filename, 377 struct compat_timeval __user *t); 378 asmlinkage long compat_sys_newstat(const char __user *filename, 379 struct compat_stat __user *statbuf); 380 asmlinkage long compat_sys_newlstat(const char __user *filename, 381 struct compat_stat __user *statbuf); 382 asmlinkage long compat_sys_newfstatat(unsigned int dfd, 383 const char __user *filename, 384 struct compat_stat __user *statbuf, 385 int flag); 386 asmlinkage long compat_sys_newfstat(unsigned int fd, 387 struct compat_stat __user *statbuf); 388 asmlinkage long compat_sys_statfs(const char __user *pathname, 389 struct compat_statfs __user *buf); 390 asmlinkage long compat_sys_fstatfs(unsigned int fd, 391 struct compat_statfs __user *buf); 392 asmlinkage long compat_sys_statfs64(const char __user *pathname, 393 compat_size_t sz, 394 struct compat_statfs64 __user *buf); 395 asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, 396 struct compat_statfs64 __user *buf); 397 asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, 398 unsigned long arg); 399 asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, 400 unsigned long arg); 401 asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); 402 asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id, 403 unsigned long min_nr, 404 unsigned long nr, 405 struct io_event __user *events, 406 struct compat_timespec __user *timeout); 407 asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr, 408 u32 __user *iocb); 409 asmlinkage long compat_sys_mount(const char __user *dev_name, 410 const char __user *dir_name, 411 const char __user *type, unsigned long flags, 412 const void __user *data); 413 asmlinkage long compat_sys_old_readdir(unsigned int fd, 414 struct compat_old_linux_dirent __user *, 415 unsigned int count); 416 asmlinkage long compat_sys_getdents(unsigned int fd, 417 struct compat_linux_dirent __user *dirent, 418 unsigned int count); 419 asmlinkage long compat_sys_getdents64(unsigned int fd, 420 struct linux_dirent64 __user *dirent, 421 unsigned int count); 422 asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, 423 unsigned int nr_segs, unsigned int flags); 424 asmlinkage long compat_sys_open(const char __user *filename, int flags, 425 umode_t mode); 426 asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename, 427 int flags, umode_t mode); 428 asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, 429 struct file_handle __user *handle, 430 int flags); 431 asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, 432 compat_ulong_t __user *outp, 433 compat_ulong_t __user *exp, 434 struct compat_timespec __user *tsp, 435 void __user *sig); 436 asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, 437 unsigned int nfds, 438 struct compat_timespec __user *tsp, 439 const compat_sigset_t __user *sigmask, 440 compat_size_t sigsetsize); 441 asmlinkage long compat_sys_signalfd4(int ufd, 442 const compat_sigset_t __user *sigmask, 443 compat_size_t sigsetsize, int flags); 444 asmlinkage long compat_sys_get_mempolicy(int __user *policy, 445 compat_ulong_t __user *nmask, 446 compat_ulong_t maxnode, 447 compat_ulong_t addr, 448 compat_ulong_t flags); 449 asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, 450 compat_ulong_t maxnode); 451 asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, 452 compat_ulong_t mode, 453 compat_ulong_t __user *nmask, 454 compat_ulong_t maxnode, compat_ulong_t flags); 455 456 asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, 457 char __user *optval, unsigned int optlen); 458 asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, 459 unsigned flags); 460 asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, 461 unsigned vlen, unsigned int flags); 462 asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, 463 unsigned int flags); 464 asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len, 465 unsigned flags); 466 asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len, 467 unsigned flags, struct sockaddr __user *addr, 468 int __user *addrlen); 469 asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, 470 unsigned vlen, unsigned int flags, 471 struct compat_timespec __user *timeout); 472 asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp, 473 struct compat_timespec __user *rmtp); 474 asmlinkage long compat_sys_getitimer(int which, 475 struct compat_itimerval __user *it); 476 asmlinkage long compat_sys_setitimer(int which, 477 struct compat_itimerval __user *in, 478 struct compat_itimerval __user *out); 479 asmlinkage long compat_sys_times(struct compat_tms __user *tbuf); 480 asmlinkage long compat_sys_setrlimit(unsigned int resource, 481 struct compat_rlimit __user *rlim); 482 asmlinkage long compat_sys_getrlimit(unsigned int resource, 483 struct compat_rlimit __user *rlim); 484 asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru); 485 asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, 486 unsigned int len, 487 compat_ulong_t __user *user_mask_ptr); 488 asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, 489 unsigned int len, 490 compat_ulong_t __user *user_mask_ptr); 491 asmlinkage long compat_sys_timer_create(clockid_t which_clock, 492 struct compat_sigevent __user *timer_event_spec, 493 timer_t __user *created_timer_id); 494 asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags, 495 struct compat_itimerspec __user *new, 496 struct compat_itimerspec __user *old); 497 asmlinkage long compat_sys_timer_gettime(timer_t timer_id, 498 struct compat_itimerspec __user *setting); 499 asmlinkage long compat_sys_clock_settime(clockid_t which_clock, 500 struct compat_timespec __user *tp); 501 asmlinkage long compat_sys_clock_gettime(clockid_t which_clock, 502 struct compat_timespec __user *tp); 503 asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, 504 struct compat_timex __user *tp); 505 asmlinkage long compat_sys_clock_getres(clockid_t which_clock, 506 struct compat_timespec __user *tp); 507 asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, 508 struct compat_timespec __user *rqtp, 509 struct compat_timespec __user *rmtp); 510 asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, 511 struct compat_siginfo __user *uinfo, 512 struct compat_timespec __user *uts, compat_size_t sigsetsize); 513 asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, 514 compat_size_t sigsetsize); 515 asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); 516 asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, 517 unsigned long arg); 518 asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, 519 struct compat_timespec __user *utime, u32 __user *uaddr2, 520 u32 val3); 521 asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, 522 char __user *optval, int __user *optlen); 523 asmlinkage long compat_sys_kexec_load(unsigned long entry, 524 unsigned long nr_segments, 525 struct compat_kexec_segment __user *, 526 unsigned long flags); 527 asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, 528 const struct compat_mq_attr __user *u_mqstat, 529 struct compat_mq_attr __user *u_omqstat); 530 asmlinkage long compat_sys_mq_notify(mqd_t mqdes, 531 const struct compat_sigevent __user *u_notification); 532 asmlinkage long compat_sys_mq_open(const char __user *u_name, 533 int oflag, compat_mode_t mode, 534 struct compat_mq_attr __user *u_attr); 535 asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes, 536 const char __user *u_msg_ptr, 537 size_t msg_len, unsigned int msg_prio, 538 const struct compat_timespec __user *u_abs_timeout); 539 asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes, 540 char __user *u_msg_ptr, 541 size_t msg_len, unsigned int __user *u_msg_prio, 542 const struct compat_timespec __user *u_abs_timeout); 543 asmlinkage long compat_sys_socketcall(int call, u32 __user *args); 544 asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args); 545 546 extern ssize_t compat_rw_copy_check_uvector(int type, 547 const struct compat_iovec __user *uvector, 548 unsigned long nr_segs, 549 unsigned long fast_segs, struct iovec *fast_pointer, 550 struct iovec **ret_pointer, 551 int check_access); 552 553 extern void __user *compat_alloc_user_space(unsigned long len); 554 555 asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid, 556 const struct compat_iovec __user *lvec, 557 unsigned long liovcnt, const struct compat_iovec __user *rvec, 558 unsigned long riovcnt, unsigned long flags); 559 asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid, 560 const struct compat_iovec __user *lvec, 561 unsigned long liovcnt, const struct compat_iovec __user *rvec, 562 unsigned long riovcnt, unsigned long flags); 563 564 #endif /* CONFIG_COMPAT */ 565 #endif /* _LINUX_COMPAT_H */ 566