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 #ifndef COMPAT_USE_64BIT_TIME 23 #define COMPAT_USE_64BIT_TIME 0 24 #endif 25 26 #define compat_jiffies_to_clock_t(x) \ 27 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ) 28 29 typedef __compat_uid32_t compat_uid_t; 30 typedef __compat_gid32_t compat_gid_t; 31 32 struct compat_sel_arg_struct; 33 struct rusage; 34 35 struct compat_itimerspec { 36 struct compat_timespec it_interval; 37 struct compat_timespec it_value; 38 }; 39 40 struct compat_utimbuf { 41 compat_time_t actime; 42 compat_time_t modtime; 43 }; 44 45 struct compat_itimerval { 46 struct compat_timeval it_interval; 47 struct compat_timeval it_value; 48 }; 49 50 struct compat_tms { 51 compat_clock_t tms_utime; 52 compat_clock_t tms_stime; 53 compat_clock_t tms_cutime; 54 compat_clock_t tms_cstime; 55 }; 56 57 struct compat_timex { 58 compat_uint_t modes; 59 compat_long_t offset; 60 compat_long_t freq; 61 compat_long_t maxerror; 62 compat_long_t esterror; 63 compat_int_t status; 64 compat_long_t constant; 65 compat_long_t precision; 66 compat_long_t tolerance; 67 struct compat_timeval time; 68 compat_long_t tick; 69 compat_long_t ppsfreq; 70 compat_long_t jitter; 71 compat_int_t shift; 72 compat_long_t stabil; 73 compat_long_t jitcnt; 74 compat_long_t calcnt; 75 compat_long_t errcnt; 76 compat_long_t stbcnt; 77 compat_int_t tai; 78 79 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 80 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 81 compat_int_t:32; compat_int_t:32; compat_int_t:32; 82 }; 83 84 #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW) 85 86 typedef struct { 87 compat_sigset_word sig[_COMPAT_NSIG_WORDS]; 88 } compat_sigset_t; 89 90 /* 91 * These functions operate strictly on struct compat_time* 92 */ 93 extern int get_compat_timespec(struct timespec *, 94 const struct compat_timespec __user *); 95 extern int put_compat_timespec(const struct timespec *, 96 struct compat_timespec __user *); 97 extern int get_compat_timeval(struct timeval *, 98 const struct compat_timeval __user *); 99 extern int put_compat_timeval(const struct timeval *, 100 struct compat_timeval __user *); 101 /* 102 * These functions operate on 32- or 64-bit specs depending on 103 * COMPAT_USE_64BIT_TIME, hence the void user pointer arguments and the 104 * naming as compat_get/put_ rather than get/put_compat_. 105 */ 106 extern int compat_get_timespec(struct timespec *, const void __user *); 107 extern int compat_put_timespec(const struct timespec *, void __user *); 108 extern int compat_get_timeval(struct timeval *, const void __user *); 109 extern int compat_put_timeval(const struct timeval *, void __user *); 110 111 struct compat_iovec { 112 compat_uptr_t iov_base; 113 compat_size_t iov_len; 114 }; 115 116 struct compat_rlimit { 117 compat_ulong_t rlim_cur; 118 compat_ulong_t rlim_max; 119 }; 120 121 struct compat_rusage { 122 struct compat_timeval ru_utime; 123 struct compat_timeval ru_stime; 124 compat_long_t ru_maxrss; 125 compat_long_t ru_ixrss; 126 compat_long_t ru_idrss; 127 compat_long_t ru_isrss; 128 compat_long_t ru_minflt; 129 compat_long_t ru_majflt; 130 compat_long_t ru_nswap; 131 compat_long_t ru_inblock; 132 compat_long_t ru_oublock; 133 compat_long_t ru_msgsnd; 134 compat_long_t ru_msgrcv; 135 compat_long_t ru_nsignals; 136 compat_long_t ru_nvcsw; 137 compat_long_t ru_nivcsw; 138 }; 139 140 extern int put_compat_rusage(const struct rusage *, 141 struct compat_rusage __user *); 142 143 struct compat_siginfo; 144 145 extern asmlinkage long compat_sys_waitid(int, compat_pid_t, 146 struct compat_siginfo __user *, int, 147 struct compat_rusage __user *); 148 149 struct compat_dirent { 150 u32 d_ino; 151 compat_off_t d_off; 152 u16 d_reclen; 153 char d_name[256]; 154 }; 155 156 struct compat_ustat { 157 compat_daddr_t f_tfree; 158 compat_ino_t f_tinode; 159 char f_fname[6]; 160 char f_fpack[6]; 161 }; 162 163 #define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) 164 165 typedef struct compat_sigevent { 166 compat_sigval_t sigev_value; 167 compat_int_t sigev_signo; 168 compat_int_t sigev_notify; 169 union { 170 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE]; 171 compat_int_t _tid; 172 173 struct { 174 compat_uptr_t _function; 175 compat_uptr_t _attribute; 176 } _sigev_thread; 177 } _sigev_un; 178 } compat_sigevent_t; 179 180 struct compat_ifmap { 181 compat_ulong_t mem_start; 182 compat_ulong_t mem_end; 183 unsigned short base_addr; 184 unsigned char irq; 185 unsigned char dma; 186 unsigned char port; 187 }; 188 189 struct compat_if_settings { 190 unsigned int type; /* Type of physical device or protocol */ 191 unsigned int size; /* Size of the data allocated by the caller */ 192 compat_uptr_t ifs_ifsu; /* union of pointers */ 193 }; 194 195 struct compat_ifreq { 196 union { 197 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 198 } ifr_ifrn; 199 union { 200 struct sockaddr ifru_addr; 201 struct sockaddr ifru_dstaddr; 202 struct sockaddr ifru_broadaddr; 203 struct sockaddr ifru_netmask; 204 struct sockaddr ifru_hwaddr; 205 short ifru_flags; 206 compat_int_t ifru_ivalue; 207 compat_int_t ifru_mtu; 208 struct compat_ifmap ifru_map; 209 char ifru_slave[IFNAMSIZ]; /* Just fits the size */ 210 char ifru_newname[IFNAMSIZ]; 211 compat_caddr_t ifru_data; 212 struct compat_if_settings ifru_settings; 213 } ifr_ifru; 214 }; 215 216 struct compat_ifconf { 217 compat_int_t ifc_len; /* size of buffer */ 218 compat_caddr_t ifcbuf; 219 }; 220 221 struct compat_robust_list { 222 compat_uptr_t next; 223 }; 224 225 struct compat_robust_list_head { 226 struct compat_robust_list list; 227 compat_long_t futex_offset; 228 compat_uptr_t list_op_pending; 229 }; 230 231 struct compat_statfs; 232 struct compat_statfs64; 233 struct compat_old_linux_dirent; 234 struct compat_linux_dirent; 235 struct linux_dirent64; 236 struct compat_msghdr; 237 struct compat_mmsghdr; 238 struct compat_sysinfo; 239 struct compat_sysctl_args; 240 struct compat_kexec_segment; 241 struct compat_mq_attr; 242 struct compat_msgbuf; 243 244 extern void compat_exit_robust_list(struct task_struct *curr); 245 246 asmlinkage long 247 compat_sys_set_robust_list(struct compat_robust_list_head __user *head, 248 compat_size_t len); 249 asmlinkage long 250 compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, 251 compat_size_t __user *len_ptr); 252 253 #ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC 254 long compat_sys_semctl(int first, int second, int third, void __user *uptr); 255 long compat_sys_msgsnd(int first, int second, int third, void __user *uptr); 256 long compat_sys_msgrcv(int first, int second, int msgtyp, int third, 257 int version, void __user *uptr); 258 long compat_sys_shmat(int first, int second, compat_uptr_t third, int version, 259 void __user *uptr); 260 #else 261 long compat_sys_semctl(int semid, int semnum, int cmd, int arg); 262 long compat_sys_msgsnd(int msqid, struct compat_msgbuf __user *msgp, 263 compat_ssize_t msgsz, int msgflg); 264 long compat_sys_msgrcv(int msqid, struct compat_msgbuf __user *msgp, 265 compat_ssize_t msgsz, long msgtyp, int msgflg); 266 long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg); 267 #endif 268 long compat_sys_msgctl(int first, int second, void __user *uptr); 269 long compat_sys_shmctl(int first, int second, void __user *uptr); 270 long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, 271 unsigned nsems, const struct compat_timespec __user *timeout); 272 asmlinkage long compat_sys_keyctl(u32 option, 273 u32 arg2, u32 arg3, u32 arg4, u32 arg5); 274 asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); 275 276 asmlinkage ssize_t compat_sys_readv(unsigned long fd, 277 const struct compat_iovec __user *vec, unsigned long vlen); 278 asmlinkage ssize_t compat_sys_writev(unsigned long fd, 279 const struct compat_iovec __user *vec, unsigned long vlen); 280 asmlinkage ssize_t compat_sys_preadv(unsigned long fd, 281 const struct compat_iovec __user *vec, 282 unsigned long vlen, u32 pos_low, u32 pos_high); 283 asmlinkage ssize_t compat_sys_pwritev(unsigned long fd, 284 const struct compat_iovec __user *vec, 285 unsigned long vlen, u32 pos_low, u32 pos_high); 286 287 asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv, 288 const compat_uptr_t __user *envp); 289 290 asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, 291 compat_ulong_t __user *outp, compat_ulong_t __user *exp, 292 struct compat_timeval __user *tvp); 293 294 asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg); 295 296 asmlinkage long compat_sys_wait4(compat_pid_t pid, 297 compat_uint_t __user *stat_addr, int options, 298 struct compat_rusage __user *ru); 299 300 #define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t)) 301 302 #define BITS_TO_COMPAT_LONGS(bits) \ 303 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG) 304 305 long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, 306 unsigned long bitmap_size); 307 long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, 308 unsigned long bitmap_size); 309 int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from); 310 int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from); 311 int get_compat_sigevent(struct sigevent *event, 312 const struct compat_sigevent __user *u_event); 313 long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, 314 struct compat_siginfo __user *uinfo); 315 316 static inline int compat_timeval_compare(struct compat_timeval *lhs, 317 struct compat_timeval *rhs) 318 { 319 if (lhs->tv_sec < rhs->tv_sec) 320 return -1; 321 if (lhs->tv_sec > rhs->tv_sec) 322 return 1; 323 return lhs->tv_usec - rhs->tv_usec; 324 } 325 326 static inline int compat_timespec_compare(struct compat_timespec *lhs, 327 struct compat_timespec *rhs) 328 { 329 if (lhs->tv_sec < rhs->tv_sec) 330 return -1; 331 if (lhs->tv_sec > rhs->tv_sec) 332 return 1; 333 return lhs->tv_nsec - rhs->tv_nsec; 334 } 335 336 extern int get_compat_itimerspec(struct itimerspec *dst, 337 const struct compat_itimerspec __user *src); 338 extern int put_compat_itimerspec(struct compat_itimerspec __user *dst, 339 const struct itimerspec *src); 340 341 asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, 342 struct timezone __user *tz); 343 asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, 344 struct timezone __user *tz); 345 346 asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); 347 348 extern int compat_printk(const char *fmt, ...); 349 extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat); 350 351 asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, 352 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, 353 const compat_ulong_t __user *new_nodes); 354 355 extern int compat_ptrace_request(struct task_struct *child, 356 compat_long_t request, 357 compat_ulong_t addr, compat_ulong_t data); 358 359 extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, 360 compat_ulong_t addr, compat_ulong_t data); 361 asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, 362 compat_long_t addr, compat_long_t data); 363 364 /* 365 * epoll (fs/eventpoll.c) compat bits follow ... 366 */ 367 struct epoll_event; 368 #define compat_epoll_event epoll_event 369 asmlinkage long compat_sys_epoll_pwait(int epfd, 370 struct compat_epoll_event __user *events, 371 int maxevents, int timeout, 372 const compat_sigset_t __user *sigmask, 373 compat_size_t sigsetsize); 374 375 asmlinkage long compat_sys_utime(const char __user *filename, 376 struct compat_utimbuf __user *t); 377 asmlinkage long compat_sys_utimensat(unsigned int dfd, 378 const char __user *filename, 379 struct compat_timespec __user *t, 380 int flags); 381 382 asmlinkage long compat_sys_time(compat_time_t __user *tloc); 383 asmlinkage long compat_sys_stime(compat_time_t __user *tptr); 384 asmlinkage long compat_sys_signalfd(int ufd, 385 const compat_sigset_t __user *sigmask, 386 compat_size_t sigsetsize); 387 asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, 388 const struct compat_itimerspec __user *utmr, 389 struct compat_itimerspec __user *otmr); 390 asmlinkage long compat_sys_timerfd_gettime(int ufd, 391 struct compat_itimerspec __user *otmr); 392 393 asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page, 394 __u32 __user *pages, 395 const int __user *nodes, 396 int __user *status, 397 int flags); 398 asmlinkage long compat_sys_futimesat(unsigned int dfd, 399 const char __user *filename, 400 struct compat_timeval __user *t); 401 asmlinkage long compat_sys_utimes(const char __user *filename, 402 struct compat_timeval __user *t); 403 asmlinkage long compat_sys_newstat(const char __user *filename, 404 struct compat_stat __user *statbuf); 405 asmlinkage long compat_sys_newlstat(const char __user *filename, 406 struct compat_stat __user *statbuf); 407 asmlinkage long compat_sys_newfstatat(unsigned int dfd, 408 const char __user *filename, 409 struct compat_stat __user *statbuf, 410 int flag); 411 asmlinkage long compat_sys_newfstat(unsigned int fd, 412 struct compat_stat __user *statbuf); 413 asmlinkage long compat_sys_statfs(const char __user *pathname, 414 struct compat_statfs __user *buf); 415 asmlinkage long compat_sys_fstatfs(unsigned int fd, 416 struct compat_statfs __user *buf); 417 asmlinkage long compat_sys_statfs64(const char __user *pathname, 418 compat_size_t sz, 419 struct compat_statfs64 __user *buf); 420 asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, 421 struct compat_statfs64 __user *buf); 422 asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, 423 unsigned long arg); 424 asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, 425 unsigned long arg); 426 asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); 427 asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id, 428 unsigned long min_nr, 429 unsigned long nr, 430 struct io_event __user *events, 431 struct compat_timespec __user *timeout); 432 asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr, 433 u32 __user *iocb); 434 asmlinkage long compat_sys_mount(const char __user *dev_name, 435 const char __user *dir_name, 436 const char __user *type, unsigned long flags, 437 const void __user *data); 438 asmlinkage long compat_sys_old_readdir(unsigned int fd, 439 struct compat_old_linux_dirent __user *, 440 unsigned int count); 441 asmlinkage long compat_sys_getdents(unsigned int fd, 442 struct compat_linux_dirent __user *dirent, 443 unsigned int count); 444 asmlinkage long compat_sys_getdents64(unsigned int fd, 445 struct linux_dirent64 __user *dirent, 446 unsigned int count); 447 asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, 448 unsigned int nr_segs, unsigned int flags); 449 asmlinkage long compat_sys_open(const char __user *filename, int flags, 450 umode_t mode); 451 asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename, 452 int flags, umode_t mode); 453 asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, 454 struct file_handle __user *handle, 455 int flags); 456 asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, 457 compat_ulong_t __user *outp, 458 compat_ulong_t __user *exp, 459 struct compat_timespec __user *tsp, 460 void __user *sig); 461 asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, 462 unsigned int nfds, 463 struct compat_timespec __user *tsp, 464 const compat_sigset_t __user *sigmask, 465 compat_size_t sigsetsize); 466 asmlinkage long compat_sys_signalfd4(int ufd, 467 const compat_sigset_t __user *sigmask, 468 compat_size_t sigsetsize, int flags); 469 asmlinkage long compat_sys_get_mempolicy(int __user *policy, 470 compat_ulong_t __user *nmask, 471 compat_ulong_t maxnode, 472 compat_ulong_t addr, 473 compat_ulong_t flags); 474 asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, 475 compat_ulong_t maxnode); 476 asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, 477 compat_ulong_t mode, 478 compat_ulong_t __user *nmask, 479 compat_ulong_t maxnode, compat_ulong_t flags); 480 481 asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, 482 char __user *optval, unsigned int optlen); 483 asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, 484 unsigned flags); 485 asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, 486 unsigned vlen, unsigned int flags); 487 asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, 488 unsigned int flags); 489 asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len, 490 unsigned flags); 491 asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len, 492 unsigned flags, struct sockaddr __user *addr, 493 int __user *addrlen); 494 asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, 495 unsigned vlen, unsigned int flags, 496 struct compat_timespec __user *timeout); 497 asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp, 498 struct compat_timespec __user *rmtp); 499 asmlinkage long compat_sys_getitimer(int which, 500 struct compat_itimerval __user *it); 501 asmlinkage long compat_sys_setitimer(int which, 502 struct compat_itimerval __user *in, 503 struct compat_itimerval __user *out); 504 asmlinkage long compat_sys_times(struct compat_tms __user *tbuf); 505 asmlinkage long compat_sys_setrlimit(unsigned int resource, 506 struct compat_rlimit __user *rlim); 507 asmlinkage long compat_sys_getrlimit(unsigned int resource, 508 struct compat_rlimit __user *rlim); 509 asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru); 510 asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, 511 unsigned int len, 512 compat_ulong_t __user *user_mask_ptr); 513 asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, 514 unsigned int len, 515 compat_ulong_t __user *user_mask_ptr); 516 asmlinkage long compat_sys_timer_create(clockid_t which_clock, 517 struct compat_sigevent __user *timer_event_spec, 518 timer_t __user *created_timer_id); 519 asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags, 520 struct compat_itimerspec __user *new, 521 struct compat_itimerspec __user *old); 522 asmlinkage long compat_sys_timer_gettime(timer_t timer_id, 523 struct compat_itimerspec __user *setting); 524 asmlinkage long compat_sys_clock_settime(clockid_t which_clock, 525 struct compat_timespec __user *tp); 526 asmlinkage long compat_sys_clock_gettime(clockid_t which_clock, 527 struct compat_timespec __user *tp); 528 asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, 529 struct compat_timex __user *tp); 530 asmlinkage long compat_sys_clock_getres(clockid_t which_clock, 531 struct compat_timespec __user *tp); 532 asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, 533 struct compat_timespec __user *rqtp, 534 struct compat_timespec __user *rmtp); 535 asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, 536 struct compat_siginfo __user *uinfo, 537 struct compat_timespec __user *uts, compat_size_t sigsetsize); 538 asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, 539 compat_size_t sigsetsize); 540 asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); 541 asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, 542 unsigned long arg); 543 asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, 544 struct compat_timespec __user *utime, u32 __user *uaddr2, 545 u32 val3); 546 asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, 547 char __user *optval, int __user *optlen); 548 asmlinkage long compat_sys_kexec_load(unsigned long entry, 549 unsigned long nr_segments, 550 struct compat_kexec_segment __user *, 551 unsigned long flags); 552 asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, 553 const struct compat_mq_attr __user *u_mqstat, 554 struct compat_mq_attr __user *u_omqstat); 555 asmlinkage long compat_sys_mq_notify(mqd_t mqdes, 556 const struct compat_sigevent __user *u_notification); 557 asmlinkage long compat_sys_mq_open(const char __user *u_name, 558 int oflag, compat_mode_t mode, 559 struct compat_mq_attr __user *u_attr); 560 asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes, 561 const char __user *u_msg_ptr, 562 size_t msg_len, unsigned int msg_prio, 563 const struct compat_timespec __user *u_abs_timeout); 564 asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes, 565 char __user *u_msg_ptr, 566 size_t msg_len, unsigned int __user *u_msg_prio, 567 const struct compat_timespec __user *u_abs_timeout); 568 asmlinkage long compat_sys_socketcall(int call, u32 __user *args); 569 asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args); 570 571 extern ssize_t compat_rw_copy_check_uvector(int type, 572 const struct compat_iovec __user *uvector, 573 unsigned long nr_segs, 574 unsigned long fast_segs, struct iovec *fast_pointer, 575 struct iovec **ret_pointer); 576 577 extern void __user *compat_alloc_user_space(unsigned long len); 578 579 asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid, 580 const struct compat_iovec __user *lvec, 581 unsigned long liovcnt, const struct compat_iovec __user *rvec, 582 unsigned long riovcnt, unsigned long flags); 583 asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid, 584 const struct compat_iovec __user *lvec, 585 unsigned long liovcnt, const struct compat_iovec __user *rvec, 586 unsigned long riovcnt, unsigned long flags); 587 588 asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, 589 compat_off_t __user *offset, compat_size_t count); 590 591 asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, 592 struct compat_timespec __user *interval); 593 594 #else 595 596 #define is_compat_task() (0) 597 598 #endif /* CONFIG_COMPAT */ 599 #endif /* _LINUX_COMPAT_H */ 600