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 #ifndef __SC_DELOUSE 27 #define __SC_DELOUSE(t,v) ((t)(unsigned long)(v)) 28 #endif 29 30 #define COMPAT_SYSCALL_DEFINE1(name, ...) \ 31 COMPAT_SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) 32 #define COMPAT_SYSCALL_DEFINE2(name, ...) \ 33 COMPAT_SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) 34 #define COMPAT_SYSCALL_DEFINE3(name, ...) \ 35 COMPAT_SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) 36 #define COMPAT_SYSCALL_DEFINE4(name, ...) \ 37 COMPAT_SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) 38 #define COMPAT_SYSCALL_DEFINE5(name, ...) \ 39 COMPAT_SYSCALL_DEFINEx(5, _##name, __VA_ARGS__) 40 #define COMPAT_SYSCALL_DEFINE6(name, ...) \ 41 COMPAT_SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) 42 43 #define COMPAT_SYSCALL_DEFINEx(x, name, ...) \ 44 asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ 45 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ 46 asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))\ 47 { \ 48 return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \ 49 } \ 50 SYSCALL_ALIAS(compat_sys##name, compat_SyS##name); \ 51 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 52 53 #ifndef compat_user_stack_pointer 54 #define compat_user_stack_pointer() current_user_stack_pointer() 55 #endif 56 #ifndef compat_sigaltstack /* we'll need that for MIPS */ 57 typedef struct compat_sigaltstack { 58 compat_uptr_t ss_sp; 59 int ss_flags; 60 compat_size_t ss_size; 61 } compat_stack_t; 62 #endif 63 64 #define compat_jiffies_to_clock_t(x) \ 65 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ) 66 67 typedef __compat_uid32_t compat_uid_t; 68 typedef __compat_gid32_t compat_gid_t; 69 70 struct compat_sel_arg_struct; 71 struct rusage; 72 73 struct compat_itimerspec { 74 struct compat_timespec it_interval; 75 struct compat_timespec it_value; 76 }; 77 78 struct compat_utimbuf { 79 compat_time_t actime; 80 compat_time_t modtime; 81 }; 82 83 struct compat_itimerval { 84 struct compat_timeval it_interval; 85 struct compat_timeval it_value; 86 }; 87 88 struct compat_tms { 89 compat_clock_t tms_utime; 90 compat_clock_t tms_stime; 91 compat_clock_t tms_cutime; 92 compat_clock_t tms_cstime; 93 }; 94 95 struct compat_timex { 96 compat_uint_t modes; 97 compat_long_t offset; 98 compat_long_t freq; 99 compat_long_t maxerror; 100 compat_long_t esterror; 101 compat_int_t status; 102 compat_long_t constant; 103 compat_long_t precision; 104 compat_long_t tolerance; 105 struct compat_timeval time; 106 compat_long_t tick; 107 compat_long_t ppsfreq; 108 compat_long_t jitter; 109 compat_int_t shift; 110 compat_long_t stabil; 111 compat_long_t jitcnt; 112 compat_long_t calcnt; 113 compat_long_t errcnt; 114 compat_long_t stbcnt; 115 compat_int_t tai; 116 117 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 118 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 119 compat_int_t:32; compat_int_t:32; compat_int_t:32; 120 }; 121 122 #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW) 123 124 typedef struct { 125 compat_sigset_word sig[_COMPAT_NSIG_WORDS]; 126 } compat_sigset_t; 127 128 struct compat_sigaction { 129 #ifndef __ARCH_HAS_IRIX_SIGACTION 130 compat_uptr_t sa_handler; 131 compat_ulong_t sa_flags; 132 #else 133 compat_uint_t sa_flags; 134 compat_uptr_t sa_handler; 135 #endif 136 #ifdef __ARCH_HAS_SA_RESTORER 137 compat_uptr_t sa_restorer; 138 #endif 139 compat_sigset_t sa_mask __packed; 140 }; 141 142 /* 143 * These functions operate strictly on struct compat_time* 144 */ 145 extern int get_compat_timespec(struct timespec *, 146 const struct compat_timespec __user *); 147 extern int put_compat_timespec(const struct timespec *, 148 struct compat_timespec __user *); 149 extern int get_compat_timeval(struct timeval *, 150 const struct compat_timeval __user *); 151 extern int put_compat_timeval(const struct timeval *, 152 struct compat_timeval __user *); 153 /* 154 * These functions operate on 32- or 64-bit specs depending on 155 * COMPAT_USE_64BIT_TIME, hence the void user pointer arguments and the 156 * naming as compat_get/put_ rather than get/put_compat_. 157 */ 158 extern int compat_get_timespec(struct timespec *, const void __user *); 159 extern int compat_put_timespec(const struct timespec *, void __user *); 160 extern int compat_get_timeval(struct timeval *, const void __user *); 161 extern int compat_put_timeval(const struct timeval *, void __user *); 162 163 struct compat_iovec { 164 compat_uptr_t iov_base; 165 compat_size_t iov_len; 166 }; 167 168 struct compat_rlimit { 169 compat_ulong_t rlim_cur; 170 compat_ulong_t rlim_max; 171 }; 172 173 struct compat_rusage { 174 struct compat_timeval ru_utime; 175 struct compat_timeval ru_stime; 176 compat_long_t ru_maxrss; 177 compat_long_t ru_ixrss; 178 compat_long_t ru_idrss; 179 compat_long_t ru_isrss; 180 compat_long_t ru_minflt; 181 compat_long_t ru_majflt; 182 compat_long_t ru_nswap; 183 compat_long_t ru_inblock; 184 compat_long_t ru_oublock; 185 compat_long_t ru_msgsnd; 186 compat_long_t ru_msgrcv; 187 compat_long_t ru_nsignals; 188 compat_long_t ru_nvcsw; 189 compat_long_t ru_nivcsw; 190 }; 191 192 extern int put_compat_rusage(const struct rusage *, 193 struct compat_rusage __user *); 194 195 struct compat_siginfo; 196 197 extern asmlinkage long compat_sys_waitid(int, compat_pid_t, 198 struct compat_siginfo __user *, int, 199 struct compat_rusage __user *); 200 201 struct compat_dirent { 202 u32 d_ino; 203 compat_off_t d_off; 204 u16 d_reclen; 205 char d_name[256]; 206 }; 207 208 struct compat_ustat { 209 compat_daddr_t f_tfree; 210 compat_ino_t f_tinode; 211 char f_fname[6]; 212 char f_fpack[6]; 213 }; 214 215 #define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) 216 217 typedef struct compat_sigevent { 218 compat_sigval_t sigev_value; 219 compat_int_t sigev_signo; 220 compat_int_t sigev_notify; 221 union { 222 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE]; 223 compat_int_t _tid; 224 225 struct { 226 compat_uptr_t _function; 227 compat_uptr_t _attribute; 228 } _sigev_thread; 229 } _sigev_un; 230 } compat_sigevent_t; 231 232 struct compat_ifmap { 233 compat_ulong_t mem_start; 234 compat_ulong_t mem_end; 235 unsigned short base_addr; 236 unsigned char irq; 237 unsigned char dma; 238 unsigned char port; 239 }; 240 241 struct compat_if_settings { 242 unsigned int type; /* Type of physical device or protocol */ 243 unsigned int size; /* Size of the data allocated by the caller */ 244 compat_uptr_t ifs_ifsu; /* union of pointers */ 245 }; 246 247 struct compat_ifreq { 248 union { 249 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 250 } ifr_ifrn; 251 union { 252 struct sockaddr ifru_addr; 253 struct sockaddr ifru_dstaddr; 254 struct sockaddr ifru_broadaddr; 255 struct sockaddr ifru_netmask; 256 struct sockaddr ifru_hwaddr; 257 short ifru_flags; 258 compat_int_t ifru_ivalue; 259 compat_int_t ifru_mtu; 260 struct compat_ifmap ifru_map; 261 char ifru_slave[IFNAMSIZ]; /* Just fits the size */ 262 char ifru_newname[IFNAMSIZ]; 263 compat_caddr_t ifru_data; 264 struct compat_if_settings ifru_settings; 265 } ifr_ifru; 266 }; 267 268 struct compat_ifconf { 269 compat_int_t ifc_len; /* size of buffer */ 270 compat_caddr_t ifcbuf; 271 }; 272 273 struct compat_robust_list { 274 compat_uptr_t next; 275 }; 276 277 struct compat_robust_list_head { 278 struct compat_robust_list list; 279 compat_long_t futex_offset; 280 compat_uptr_t list_op_pending; 281 }; 282 283 #ifdef CONFIG_COMPAT_OLD_SIGACTION 284 struct compat_old_sigaction { 285 compat_uptr_t sa_handler; 286 compat_old_sigset_t sa_mask; 287 compat_ulong_t sa_flags; 288 compat_uptr_t sa_restorer; 289 }; 290 #endif 291 292 struct compat_statfs; 293 struct compat_statfs64; 294 struct compat_old_linux_dirent; 295 struct compat_linux_dirent; 296 struct linux_dirent64; 297 struct compat_msghdr; 298 struct compat_mmsghdr; 299 struct compat_sysinfo; 300 struct compat_sysctl_args; 301 struct compat_kexec_segment; 302 struct compat_mq_attr; 303 struct compat_msgbuf; 304 305 extern void compat_exit_robust_list(struct task_struct *curr); 306 307 asmlinkage long 308 compat_sys_set_robust_list(struct compat_robust_list_head __user *head, 309 compat_size_t len); 310 asmlinkage long 311 compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, 312 compat_size_t __user *len_ptr); 313 314 asmlinkage long compat_sys_ipc(u32, int, int, u32, compat_uptr_t, u32); 315 asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg); 316 asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg); 317 asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp, 318 compat_ssize_t msgsz, int msgflg); 319 asmlinkage long compat_sys_msgrcv(int msqid, compat_uptr_t msgp, 320 compat_ssize_t msgsz, long msgtyp, int msgflg); 321 long compat_sys_msgctl(int first, int second, void __user *uptr); 322 long compat_sys_shmctl(int first, int second, void __user *uptr); 323 long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, 324 unsigned nsems, const struct compat_timespec __user *timeout); 325 asmlinkage long compat_sys_keyctl(u32 option, 326 u32 arg2, u32 arg3, u32 arg4, u32 arg5); 327 asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); 328 329 asmlinkage ssize_t compat_sys_readv(unsigned long fd, 330 const struct compat_iovec __user *vec, unsigned long vlen); 331 asmlinkage ssize_t compat_sys_writev(unsigned long fd, 332 const struct compat_iovec __user *vec, unsigned long vlen); 333 asmlinkage ssize_t compat_sys_preadv(unsigned long fd, 334 const struct compat_iovec __user *vec, 335 unsigned long vlen, u32 pos_low, u32 pos_high); 336 asmlinkage ssize_t compat_sys_pwritev(unsigned long fd, 337 const struct compat_iovec __user *vec, 338 unsigned long vlen, u32 pos_low, u32 pos_high); 339 asmlinkage long comat_sys_lseek(unsigned int, compat_off_t, unsigned int); 340 341 asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv, 342 const compat_uptr_t __user *envp); 343 344 asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, 345 compat_ulong_t __user *outp, compat_ulong_t __user *exp, 346 struct compat_timeval __user *tvp); 347 348 asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg); 349 350 asmlinkage long compat_sys_wait4(compat_pid_t pid, 351 compat_uint_t __user *stat_addr, int options, 352 struct compat_rusage __user *ru); 353 354 #define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t)) 355 356 #define BITS_TO_COMPAT_LONGS(bits) \ 357 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG) 358 359 long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, 360 unsigned long bitmap_size); 361 long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, 362 unsigned long bitmap_size); 363 int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from); 364 int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from); 365 int get_compat_sigevent(struct sigevent *event, 366 const struct compat_sigevent __user *u_event); 367 long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, 368 struct compat_siginfo __user *uinfo); 369 #ifdef CONFIG_COMPAT_OLD_SIGACTION 370 asmlinkage long compat_sys_sigaction(int sig, 371 const struct compat_old_sigaction __user *act, 372 struct compat_old_sigaction __user *oact); 373 #endif 374 375 static inline int compat_timeval_compare(struct compat_timeval *lhs, 376 struct compat_timeval *rhs) 377 { 378 if (lhs->tv_sec < rhs->tv_sec) 379 return -1; 380 if (lhs->tv_sec > rhs->tv_sec) 381 return 1; 382 return lhs->tv_usec - rhs->tv_usec; 383 } 384 385 static inline int compat_timespec_compare(struct compat_timespec *lhs, 386 struct compat_timespec *rhs) 387 { 388 if (lhs->tv_sec < rhs->tv_sec) 389 return -1; 390 if (lhs->tv_sec > rhs->tv_sec) 391 return 1; 392 return lhs->tv_nsec - rhs->tv_nsec; 393 } 394 395 extern int get_compat_itimerspec(struct itimerspec *dst, 396 const struct compat_itimerspec __user *src); 397 extern int put_compat_itimerspec(struct compat_itimerspec __user *dst, 398 const struct itimerspec *src); 399 400 asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, 401 struct timezone __user *tz); 402 asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, 403 struct timezone __user *tz); 404 405 asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); 406 407 extern int compat_printk(const char *fmt, ...); 408 extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat); 409 extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set); 410 411 asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, 412 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, 413 const compat_ulong_t __user *new_nodes); 414 415 extern int compat_ptrace_request(struct task_struct *child, 416 compat_long_t request, 417 compat_ulong_t addr, compat_ulong_t data); 418 419 extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, 420 compat_ulong_t addr, compat_ulong_t data); 421 asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, 422 compat_long_t addr, compat_long_t data); 423 424 asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, size_t); 425 /* 426 * epoll (fs/eventpoll.c) compat bits follow ... 427 */ 428 struct epoll_event; /* fortunately, this one is fixed-layout */ 429 asmlinkage long compat_sys_epoll_pwait(int epfd, 430 struct epoll_event __user *events, 431 int maxevents, int timeout, 432 const compat_sigset_t __user *sigmask, 433 compat_size_t sigsetsize); 434 435 asmlinkage long compat_sys_utime(const char __user *filename, 436 struct compat_utimbuf __user *t); 437 asmlinkage long compat_sys_utimensat(unsigned int dfd, 438 const char __user *filename, 439 struct compat_timespec __user *t, 440 int flags); 441 442 asmlinkage long compat_sys_time(compat_time_t __user *tloc); 443 asmlinkage long compat_sys_stime(compat_time_t __user *tptr); 444 asmlinkage long compat_sys_signalfd(int ufd, 445 const compat_sigset_t __user *sigmask, 446 compat_size_t sigsetsize); 447 asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, 448 const struct compat_itimerspec __user *utmr, 449 struct compat_itimerspec __user *otmr); 450 asmlinkage long compat_sys_timerfd_gettime(int ufd, 451 struct compat_itimerspec __user *otmr); 452 453 asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page, 454 __u32 __user *pages, 455 const int __user *nodes, 456 int __user *status, 457 int flags); 458 asmlinkage long compat_sys_futimesat(unsigned int dfd, 459 const char __user *filename, 460 struct compat_timeval __user *t); 461 asmlinkage long compat_sys_utimes(const char __user *filename, 462 struct compat_timeval __user *t); 463 asmlinkage long compat_sys_newstat(const char __user *filename, 464 struct compat_stat __user *statbuf); 465 asmlinkage long compat_sys_newlstat(const char __user *filename, 466 struct compat_stat __user *statbuf); 467 asmlinkage long compat_sys_newfstatat(unsigned int dfd, 468 const char __user *filename, 469 struct compat_stat __user *statbuf, 470 int flag); 471 asmlinkage long compat_sys_newfstat(unsigned int fd, 472 struct compat_stat __user *statbuf); 473 asmlinkage long compat_sys_statfs(const char __user *pathname, 474 struct compat_statfs __user *buf); 475 asmlinkage long compat_sys_fstatfs(unsigned int fd, 476 struct compat_statfs __user *buf); 477 asmlinkage long compat_sys_statfs64(const char __user *pathname, 478 compat_size_t sz, 479 struct compat_statfs64 __user *buf); 480 asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, 481 struct compat_statfs64 __user *buf); 482 asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, 483 unsigned long arg); 484 asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, 485 unsigned long arg); 486 asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); 487 asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id, 488 unsigned long min_nr, 489 unsigned long nr, 490 struct io_event __user *events, 491 struct compat_timespec __user *timeout); 492 asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr, 493 u32 __user *iocb); 494 asmlinkage long compat_sys_mount(const char __user *dev_name, 495 const char __user *dir_name, 496 const char __user *type, unsigned long flags, 497 const void __user *data); 498 asmlinkage long compat_sys_old_readdir(unsigned int fd, 499 struct compat_old_linux_dirent __user *, 500 unsigned int count); 501 asmlinkage long compat_sys_getdents(unsigned int fd, 502 struct compat_linux_dirent __user *dirent, 503 unsigned int count); 504 asmlinkage long compat_sys_getdents64(unsigned int fd, 505 struct linux_dirent64 __user *dirent, 506 unsigned int count); 507 asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, 508 unsigned int nr_segs, unsigned int flags); 509 asmlinkage long compat_sys_open(const char __user *filename, int flags, 510 umode_t mode); 511 asmlinkage long compat_sys_openat(int dfd, const char __user *filename, 512 int flags, umode_t mode); 513 asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, 514 struct file_handle __user *handle, 515 int flags); 516 asmlinkage long compat_sys_truncate(const char __user *, compat_off_t); 517 asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t); 518 asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, 519 compat_ulong_t __user *outp, 520 compat_ulong_t __user *exp, 521 struct compat_timespec __user *tsp, 522 void __user *sig); 523 asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, 524 unsigned int nfds, 525 struct compat_timespec __user *tsp, 526 const compat_sigset_t __user *sigmask, 527 compat_size_t sigsetsize); 528 asmlinkage long compat_sys_signalfd4(int ufd, 529 const compat_sigset_t __user *sigmask, 530 compat_size_t sigsetsize, int flags); 531 asmlinkage long compat_sys_get_mempolicy(int __user *policy, 532 compat_ulong_t __user *nmask, 533 compat_ulong_t maxnode, 534 compat_ulong_t addr, 535 compat_ulong_t flags); 536 asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, 537 compat_ulong_t maxnode); 538 asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, 539 compat_ulong_t mode, 540 compat_ulong_t __user *nmask, 541 compat_ulong_t maxnode, compat_ulong_t flags); 542 543 asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, 544 char __user *optval, unsigned int optlen); 545 asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, 546 unsigned flags); 547 asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, 548 unsigned vlen, unsigned int flags); 549 asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, 550 unsigned int flags); 551 asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len, 552 unsigned flags); 553 asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len, 554 unsigned flags, struct sockaddr __user *addr, 555 int __user *addrlen); 556 asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, 557 unsigned vlen, unsigned int flags, 558 struct compat_timespec __user *timeout); 559 asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp, 560 struct compat_timespec __user *rmtp); 561 asmlinkage long compat_sys_getitimer(int which, 562 struct compat_itimerval __user *it); 563 asmlinkage long compat_sys_setitimer(int which, 564 struct compat_itimerval __user *in, 565 struct compat_itimerval __user *out); 566 asmlinkage long compat_sys_times(struct compat_tms __user *tbuf); 567 asmlinkage long compat_sys_setrlimit(unsigned int resource, 568 struct compat_rlimit __user *rlim); 569 asmlinkage long compat_sys_getrlimit(unsigned int resource, 570 struct compat_rlimit __user *rlim); 571 asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru); 572 asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, 573 unsigned int len, 574 compat_ulong_t __user *user_mask_ptr); 575 asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, 576 unsigned int len, 577 compat_ulong_t __user *user_mask_ptr); 578 asmlinkage long compat_sys_timer_create(clockid_t which_clock, 579 struct compat_sigevent __user *timer_event_spec, 580 timer_t __user *created_timer_id); 581 asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags, 582 struct compat_itimerspec __user *new, 583 struct compat_itimerspec __user *old); 584 asmlinkage long compat_sys_timer_gettime(timer_t timer_id, 585 struct compat_itimerspec __user *setting); 586 asmlinkage long compat_sys_clock_settime(clockid_t which_clock, 587 struct compat_timespec __user *tp); 588 asmlinkage long compat_sys_clock_gettime(clockid_t which_clock, 589 struct compat_timespec __user *tp); 590 asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, 591 struct compat_timex __user *tp); 592 asmlinkage long compat_sys_clock_getres(clockid_t which_clock, 593 struct compat_timespec __user *tp); 594 asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, 595 struct compat_timespec __user *rqtp, 596 struct compat_timespec __user *rmtp); 597 asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, 598 struct compat_siginfo __user *uinfo, 599 struct compat_timespec __user *uts, compat_size_t sigsetsize); 600 asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, 601 compat_size_t sigsetsize); 602 asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set, 603 compat_sigset_t __user *oset, 604 compat_size_t sigsetsize); 605 asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset, 606 compat_size_t sigsetsize); 607 #ifndef CONFIG_ODD_RT_SIGACTION 608 asmlinkage long compat_sys_rt_sigaction(int, 609 const struct compat_sigaction __user *, 610 struct compat_sigaction __user *, 611 compat_size_t); 612 #endif 613 asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig, 614 struct compat_siginfo __user *uinfo); 615 asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); 616 asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, 617 unsigned long arg); 618 asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, 619 struct compat_timespec __user *utime, u32 __user *uaddr2, 620 u32 val3); 621 asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, 622 char __user *optval, int __user *optlen); 623 asmlinkage long compat_sys_kexec_load(unsigned long entry, 624 unsigned long nr_segments, 625 struct compat_kexec_segment __user *, 626 unsigned long flags); 627 asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, 628 const struct compat_mq_attr __user *u_mqstat, 629 struct compat_mq_attr __user *u_omqstat); 630 asmlinkage long compat_sys_mq_notify(mqd_t mqdes, 631 const struct compat_sigevent __user *u_notification); 632 asmlinkage long compat_sys_mq_open(const char __user *u_name, 633 int oflag, compat_mode_t mode, 634 struct compat_mq_attr __user *u_attr); 635 asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes, 636 const char __user *u_msg_ptr, 637 size_t msg_len, unsigned int msg_prio, 638 const struct compat_timespec __user *u_abs_timeout); 639 asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes, 640 char __user *u_msg_ptr, 641 size_t msg_len, unsigned int __user *u_msg_prio, 642 const struct compat_timespec __user *u_abs_timeout); 643 asmlinkage long compat_sys_socketcall(int call, u32 __user *args); 644 asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args); 645 646 extern ssize_t compat_rw_copy_check_uvector(int type, 647 const struct compat_iovec __user *uvector, 648 unsigned long nr_segs, 649 unsigned long fast_segs, struct iovec *fast_pointer, 650 struct iovec **ret_pointer); 651 652 extern void __user *compat_alloc_user_space(unsigned long len); 653 654 asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid, 655 const struct compat_iovec __user *lvec, 656 unsigned long liovcnt, const struct compat_iovec __user *rvec, 657 unsigned long riovcnt, unsigned long flags); 658 asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid, 659 const struct compat_iovec __user *lvec, 660 unsigned long liovcnt, const struct compat_iovec __user *rvec, 661 unsigned long riovcnt, unsigned long flags); 662 663 asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, 664 compat_off_t __user *offset, compat_size_t count); 665 asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd, 666 compat_loff_t __user *offset, compat_size_t count); 667 asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, 668 compat_stack_t __user *uoss_ptr); 669 670 int compat_restore_altstack(const compat_stack_t __user *uss); 671 int __compat_save_altstack(compat_stack_t __user *, unsigned long); 672 673 asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, 674 struct compat_timespec __user *interval); 675 676 asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32, 677 int, const char __user *); 678 #else 679 680 #define is_compat_task() (0) 681 682 #endif /* CONFIG_COMPAT */ 683 #endif /* _LINUX_COMPAT_H */ 684