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 __SC_CCAST1(t1, a1) __SC_DELOUSE(t1,a1) 31 #define __SC_CCAST2(t2, a2, ...) __SC_DELOUSE(t2,a2), __SC_CCAST1(__VA_ARGS__) 32 #define __SC_CCAST3(t3, a3, ...) __SC_DELOUSE(t3,a3), __SC_CCAST2(__VA_ARGS__) 33 #define __SC_CCAST4(t4, a4, ...) __SC_DELOUSE(t4,a4), __SC_CCAST3(__VA_ARGS__) 34 #define __SC_CCAST5(t5, a5, ...) __SC_DELOUSE(t5,a5), __SC_CCAST4(__VA_ARGS__) 35 #define __SC_CCAST6(t6, a6, ...) __SC_DELOUSE(t6,a6), __SC_CCAST5(__VA_ARGS__) 36 #define COMPAT_SYSCALL_DEFINE1(name, ...) \ 37 COMPAT_SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) 38 #define COMPAT_SYSCALL_DEFINE2(name, ...) \ 39 COMPAT_SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) 40 #define COMPAT_SYSCALL_DEFINE3(name, ...) \ 41 COMPAT_SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) 42 #define COMPAT_SYSCALL_DEFINE4(name, ...) \ 43 COMPAT_SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) 44 #define COMPAT_SYSCALL_DEFINE5(name, ...) \ 45 COMPAT_SYSCALL_DEFINEx(5, _##name, __VA_ARGS__) 46 #define COMPAT_SYSCALL_DEFINE6(name, ...) \ 47 COMPAT_SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) 48 49 #ifdef CONFIG_HAVE_SYSCALL_WRAPPERS 50 51 #define COMPAT_SYSCALL_DEFINEx(x, name, ...) \ 52 asmlinkage long compat_sys##name(__SC_DECL##x(__VA_ARGS__)); \ 53 static inline long C_SYSC##name(__SC_DECL##x(__VA_ARGS__)); \ 54 asmlinkage long compat_SyS##name(__SC_LONG##x(__VA_ARGS__)) \ 55 { \ 56 return (long) C_SYSC##name(__SC_CCAST##x(__VA_ARGS__)); \ 57 } \ 58 SYSCALL_ALIAS(compat_sys##name, compat_SyS##name); \ 59 static inline long C_SYSC##name(__SC_DECL##x(__VA_ARGS__)) 60 61 #else /* CONFIG_HAVE_SYSCALL_WRAPPERS */ 62 63 #define COMPAT_SYSCALL_DEFINEx(x, name, ...) \ 64 asmlinkage long compat_sys##name(__SC_DECL##x(__VA_ARGS__)) 65 66 #endif /* CONFIG_HAVE_SYSCALL_WRAPPERS */ 67 68 #define compat_jiffies_to_clock_t(x) \ 69 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ) 70 71 typedef __compat_uid32_t compat_uid_t; 72 typedef __compat_gid32_t compat_gid_t; 73 74 struct compat_sel_arg_struct; 75 struct rusage; 76 77 struct compat_itimerspec { 78 struct compat_timespec it_interval; 79 struct compat_timespec it_value; 80 }; 81 82 struct compat_utimbuf { 83 compat_time_t actime; 84 compat_time_t modtime; 85 }; 86 87 struct compat_itimerval { 88 struct compat_timeval it_interval; 89 struct compat_timeval it_value; 90 }; 91 92 struct compat_tms { 93 compat_clock_t tms_utime; 94 compat_clock_t tms_stime; 95 compat_clock_t tms_cutime; 96 compat_clock_t tms_cstime; 97 }; 98 99 struct compat_timex { 100 compat_uint_t modes; 101 compat_long_t offset; 102 compat_long_t freq; 103 compat_long_t maxerror; 104 compat_long_t esterror; 105 compat_int_t status; 106 compat_long_t constant; 107 compat_long_t precision; 108 compat_long_t tolerance; 109 struct compat_timeval time; 110 compat_long_t tick; 111 compat_long_t ppsfreq; 112 compat_long_t jitter; 113 compat_int_t shift; 114 compat_long_t stabil; 115 compat_long_t jitcnt; 116 compat_long_t calcnt; 117 compat_long_t errcnt; 118 compat_long_t stbcnt; 119 compat_int_t tai; 120 121 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 122 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 123 compat_int_t:32; compat_int_t:32; compat_int_t:32; 124 }; 125 126 #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW) 127 128 typedef struct { 129 compat_sigset_word sig[_COMPAT_NSIG_WORDS]; 130 } compat_sigset_t; 131 132 /* 133 * These functions operate strictly on struct compat_time* 134 */ 135 extern int get_compat_timespec(struct timespec *, 136 const struct compat_timespec __user *); 137 extern int put_compat_timespec(const struct timespec *, 138 struct compat_timespec __user *); 139 extern int get_compat_timeval(struct timeval *, 140 const struct compat_timeval __user *); 141 extern int put_compat_timeval(const struct timeval *, 142 struct compat_timeval __user *); 143 /* 144 * These functions operate on 32- or 64-bit specs depending on 145 * COMPAT_USE_64BIT_TIME, hence the void user pointer arguments and the 146 * naming as compat_get/put_ rather than get/put_compat_. 147 */ 148 extern int compat_get_timespec(struct timespec *, const void __user *); 149 extern int compat_put_timespec(const struct timespec *, void __user *); 150 extern int compat_get_timeval(struct timeval *, const void __user *); 151 extern int compat_put_timeval(const struct timeval *, void __user *); 152 153 struct compat_iovec { 154 compat_uptr_t iov_base; 155 compat_size_t iov_len; 156 }; 157 158 struct compat_rlimit { 159 compat_ulong_t rlim_cur; 160 compat_ulong_t rlim_max; 161 }; 162 163 struct compat_rusage { 164 struct compat_timeval ru_utime; 165 struct compat_timeval ru_stime; 166 compat_long_t ru_maxrss; 167 compat_long_t ru_ixrss; 168 compat_long_t ru_idrss; 169 compat_long_t ru_isrss; 170 compat_long_t ru_minflt; 171 compat_long_t ru_majflt; 172 compat_long_t ru_nswap; 173 compat_long_t ru_inblock; 174 compat_long_t ru_oublock; 175 compat_long_t ru_msgsnd; 176 compat_long_t ru_msgrcv; 177 compat_long_t ru_nsignals; 178 compat_long_t ru_nvcsw; 179 compat_long_t ru_nivcsw; 180 }; 181 182 extern int put_compat_rusage(const struct rusage *, 183 struct compat_rusage __user *); 184 185 struct compat_siginfo; 186 187 extern asmlinkage long compat_sys_waitid(int, compat_pid_t, 188 struct compat_siginfo __user *, int, 189 struct compat_rusage __user *); 190 191 struct compat_dirent { 192 u32 d_ino; 193 compat_off_t d_off; 194 u16 d_reclen; 195 char d_name[256]; 196 }; 197 198 struct compat_ustat { 199 compat_daddr_t f_tfree; 200 compat_ino_t f_tinode; 201 char f_fname[6]; 202 char f_fpack[6]; 203 }; 204 205 #define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) 206 207 typedef struct compat_sigevent { 208 compat_sigval_t sigev_value; 209 compat_int_t sigev_signo; 210 compat_int_t sigev_notify; 211 union { 212 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE]; 213 compat_int_t _tid; 214 215 struct { 216 compat_uptr_t _function; 217 compat_uptr_t _attribute; 218 } _sigev_thread; 219 } _sigev_un; 220 } compat_sigevent_t; 221 222 struct compat_ifmap { 223 compat_ulong_t mem_start; 224 compat_ulong_t mem_end; 225 unsigned short base_addr; 226 unsigned char irq; 227 unsigned char dma; 228 unsigned char port; 229 }; 230 231 struct compat_if_settings { 232 unsigned int type; /* Type of physical device or protocol */ 233 unsigned int size; /* Size of the data allocated by the caller */ 234 compat_uptr_t ifs_ifsu; /* union of pointers */ 235 }; 236 237 struct compat_ifreq { 238 union { 239 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 240 } ifr_ifrn; 241 union { 242 struct sockaddr ifru_addr; 243 struct sockaddr ifru_dstaddr; 244 struct sockaddr ifru_broadaddr; 245 struct sockaddr ifru_netmask; 246 struct sockaddr ifru_hwaddr; 247 short ifru_flags; 248 compat_int_t ifru_ivalue; 249 compat_int_t ifru_mtu; 250 struct compat_ifmap ifru_map; 251 char ifru_slave[IFNAMSIZ]; /* Just fits the size */ 252 char ifru_newname[IFNAMSIZ]; 253 compat_caddr_t ifru_data; 254 struct compat_if_settings ifru_settings; 255 } ifr_ifru; 256 }; 257 258 struct compat_ifconf { 259 compat_int_t ifc_len; /* size of buffer */ 260 compat_caddr_t ifcbuf; 261 }; 262 263 struct compat_robust_list { 264 compat_uptr_t next; 265 }; 266 267 struct compat_robust_list_head { 268 struct compat_robust_list list; 269 compat_long_t futex_offset; 270 compat_uptr_t list_op_pending; 271 }; 272 273 struct compat_statfs; 274 struct compat_statfs64; 275 struct compat_old_linux_dirent; 276 struct compat_linux_dirent; 277 struct linux_dirent64; 278 struct compat_msghdr; 279 struct compat_mmsghdr; 280 struct compat_sysinfo; 281 struct compat_sysctl_args; 282 struct compat_kexec_segment; 283 struct compat_mq_attr; 284 struct compat_msgbuf; 285 286 extern void compat_exit_robust_list(struct task_struct *curr); 287 288 asmlinkage long 289 compat_sys_set_robust_list(struct compat_robust_list_head __user *head, 290 compat_size_t len); 291 asmlinkage long 292 compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, 293 compat_size_t __user *len_ptr); 294 295 #ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC 296 long compat_sys_semctl(int first, int second, int third, void __user *uptr); 297 long compat_sys_msgsnd(int first, int second, int third, void __user *uptr); 298 long compat_sys_msgrcv(int first, int second, int msgtyp, int third, 299 int version, void __user *uptr); 300 long compat_sys_shmat(int first, int second, compat_uptr_t third, int version, 301 void __user *uptr); 302 #else 303 long compat_sys_semctl(int semid, int semnum, int cmd, int arg); 304 long compat_sys_msgsnd(int msqid, struct compat_msgbuf __user *msgp, 305 compat_ssize_t msgsz, int msgflg); 306 long compat_sys_msgrcv(int msqid, struct compat_msgbuf __user *msgp, 307 compat_ssize_t msgsz, long msgtyp, int msgflg); 308 long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg); 309 #endif 310 long compat_sys_msgctl(int first, int second, void __user *uptr); 311 long compat_sys_shmctl(int first, int second, void __user *uptr); 312 long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, 313 unsigned nsems, const struct compat_timespec __user *timeout); 314 asmlinkage long compat_sys_keyctl(u32 option, 315 u32 arg2, u32 arg3, u32 arg4, u32 arg5); 316 asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); 317 318 asmlinkage ssize_t compat_sys_readv(unsigned long fd, 319 const struct compat_iovec __user *vec, unsigned long vlen); 320 asmlinkage ssize_t compat_sys_writev(unsigned long fd, 321 const struct compat_iovec __user *vec, unsigned long vlen); 322 asmlinkage ssize_t compat_sys_preadv(unsigned long fd, 323 const struct compat_iovec __user *vec, 324 unsigned long vlen, u32 pos_low, u32 pos_high); 325 asmlinkage ssize_t compat_sys_pwritev(unsigned long fd, 326 const struct compat_iovec __user *vec, 327 unsigned long vlen, u32 pos_low, u32 pos_high); 328 329 asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv, 330 const compat_uptr_t __user *envp); 331 332 asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, 333 compat_ulong_t __user *outp, compat_ulong_t __user *exp, 334 struct compat_timeval __user *tvp); 335 336 asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg); 337 338 asmlinkage long compat_sys_wait4(compat_pid_t pid, 339 compat_uint_t __user *stat_addr, int options, 340 struct compat_rusage __user *ru); 341 342 #define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t)) 343 344 #define BITS_TO_COMPAT_LONGS(bits) \ 345 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG) 346 347 long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, 348 unsigned long bitmap_size); 349 long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, 350 unsigned long bitmap_size); 351 int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from); 352 int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from); 353 int get_compat_sigevent(struct sigevent *event, 354 const struct compat_sigevent __user *u_event); 355 long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, 356 struct compat_siginfo __user *uinfo); 357 358 static inline int compat_timeval_compare(struct compat_timeval *lhs, 359 struct compat_timeval *rhs) 360 { 361 if (lhs->tv_sec < rhs->tv_sec) 362 return -1; 363 if (lhs->tv_sec > rhs->tv_sec) 364 return 1; 365 return lhs->tv_usec - rhs->tv_usec; 366 } 367 368 static inline int compat_timespec_compare(struct compat_timespec *lhs, 369 struct compat_timespec *rhs) 370 { 371 if (lhs->tv_sec < rhs->tv_sec) 372 return -1; 373 if (lhs->tv_sec > rhs->tv_sec) 374 return 1; 375 return lhs->tv_nsec - rhs->tv_nsec; 376 } 377 378 extern int get_compat_itimerspec(struct itimerspec *dst, 379 const struct compat_itimerspec __user *src); 380 extern int put_compat_itimerspec(struct compat_itimerspec __user *dst, 381 const struct itimerspec *src); 382 383 asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, 384 struct timezone __user *tz); 385 asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, 386 struct timezone __user *tz); 387 388 asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); 389 390 extern int compat_printk(const char *fmt, ...); 391 extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat); 392 393 asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, 394 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, 395 const compat_ulong_t __user *new_nodes); 396 397 extern int compat_ptrace_request(struct task_struct *child, 398 compat_long_t request, 399 compat_ulong_t addr, compat_ulong_t data); 400 401 extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, 402 compat_ulong_t addr, compat_ulong_t data); 403 asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, 404 compat_long_t addr, compat_long_t data); 405 406 /* 407 * epoll (fs/eventpoll.c) compat bits follow ... 408 */ 409 struct epoll_event; 410 #define compat_epoll_event epoll_event 411 asmlinkage long compat_sys_epoll_pwait(int epfd, 412 struct compat_epoll_event __user *events, 413 int maxevents, int timeout, 414 const compat_sigset_t __user *sigmask, 415 compat_size_t sigsetsize); 416 417 asmlinkage long compat_sys_utime(const char __user *filename, 418 struct compat_utimbuf __user *t); 419 asmlinkage long compat_sys_utimensat(unsigned int dfd, 420 const char __user *filename, 421 struct compat_timespec __user *t, 422 int flags); 423 424 asmlinkage long compat_sys_time(compat_time_t __user *tloc); 425 asmlinkage long compat_sys_stime(compat_time_t __user *tptr); 426 asmlinkage long compat_sys_signalfd(int ufd, 427 const compat_sigset_t __user *sigmask, 428 compat_size_t sigsetsize); 429 asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, 430 const struct compat_itimerspec __user *utmr, 431 struct compat_itimerspec __user *otmr); 432 asmlinkage long compat_sys_timerfd_gettime(int ufd, 433 struct compat_itimerspec __user *otmr); 434 435 asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page, 436 __u32 __user *pages, 437 const int __user *nodes, 438 int __user *status, 439 int flags); 440 asmlinkage long compat_sys_futimesat(unsigned int dfd, 441 const char __user *filename, 442 struct compat_timeval __user *t); 443 asmlinkage long compat_sys_utimes(const char __user *filename, 444 struct compat_timeval __user *t); 445 asmlinkage long compat_sys_newstat(const char __user *filename, 446 struct compat_stat __user *statbuf); 447 asmlinkage long compat_sys_newlstat(const char __user *filename, 448 struct compat_stat __user *statbuf); 449 asmlinkage long compat_sys_newfstatat(unsigned int dfd, 450 const char __user *filename, 451 struct compat_stat __user *statbuf, 452 int flag); 453 asmlinkage long compat_sys_newfstat(unsigned int fd, 454 struct compat_stat __user *statbuf); 455 asmlinkage long compat_sys_statfs(const char __user *pathname, 456 struct compat_statfs __user *buf); 457 asmlinkage long compat_sys_fstatfs(unsigned int fd, 458 struct compat_statfs __user *buf); 459 asmlinkage long compat_sys_statfs64(const char __user *pathname, 460 compat_size_t sz, 461 struct compat_statfs64 __user *buf); 462 asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, 463 struct compat_statfs64 __user *buf); 464 asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, 465 unsigned long arg); 466 asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, 467 unsigned long arg); 468 asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); 469 asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id, 470 unsigned long min_nr, 471 unsigned long nr, 472 struct io_event __user *events, 473 struct compat_timespec __user *timeout); 474 asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr, 475 u32 __user *iocb); 476 asmlinkage long compat_sys_mount(const char __user *dev_name, 477 const char __user *dir_name, 478 const char __user *type, unsigned long flags, 479 const void __user *data); 480 asmlinkage long compat_sys_old_readdir(unsigned int fd, 481 struct compat_old_linux_dirent __user *, 482 unsigned int count); 483 asmlinkage long compat_sys_getdents(unsigned int fd, 484 struct compat_linux_dirent __user *dirent, 485 unsigned int count); 486 asmlinkage long compat_sys_getdents64(unsigned int fd, 487 struct linux_dirent64 __user *dirent, 488 unsigned int count); 489 asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, 490 unsigned int nr_segs, unsigned int flags); 491 asmlinkage long compat_sys_open(const char __user *filename, int flags, 492 umode_t mode); 493 asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename, 494 int flags, umode_t mode); 495 asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, 496 struct file_handle __user *handle, 497 int flags); 498 asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, 499 compat_ulong_t __user *outp, 500 compat_ulong_t __user *exp, 501 struct compat_timespec __user *tsp, 502 void __user *sig); 503 asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, 504 unsigned int nfds, 505 struct compat_timespec __user *tsp, 506 const compat_sigset_t __user *sigmask, 507 compat_size_t sigsetsize); 508 asmlinkage long compat_sys_signalfd4(int ufd, 509 const compat_sigset_t __user *sigmask, 510 compat_size_t sigsetsize, int flags); 511 asmlinkage long compat_sys_get_mempolicy(int __user *policy, 512 compat_ulong_t __user *nmask, 513 compat_ulong_t maxnode, 514 compat_ulong_t addr, 515 compat_ulong_t flags); 516 asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, 517 compat_ulong_t maxnode); 518 asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, 519 compat_ulong_t mode, 520 compat_ulong_t __user *nmask, 521 compat_ulong_t maxnode, compat_ulong_t flags); 522 523 asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, 524 char __user *optval, unsigned int optlen); 525 asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, 526 unsigned flags); 527 asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, 528 unsigned vlen, unsigned int flags); 529 asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, 530 unsigned int flags); 531 asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len, 532 unsigned flags); 533 asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len, 534 unsigned flags, struct sockaddr __user *addr, 535 int __user *addrlen); 536 asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, 537 unsigned vlen, unsigned int flags, 538 struct compat_timespec __user *timeout); 539 asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp, 540 struct compat_timespec __user *rmtp); 541 asmlinkage long compat_sys_getitimer(int which, 542 struct compat_itimerval __user *it); 543 asmlinkage long compat_sys_setitimer(int which, 544 struct compat_itimerval __user *in, 545 struct compat_itimerval __user *out); 546 asmlinkage long compat_sys_times(struct compat_tms __user *tbuf); 547 asmlinkage long compat_sys_setrlimit(unsigned int resource, 548 struct compat_rlimit __user *rlim); 549 asmlinkage long compat_sys_getrlimit(unsigned int resource, 550 struct compat_rlimit __user *rlim); 551 asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru); 552 asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, 553 unsigned int len, 554 compat_ulong_t __user *user_mask_ptr); 555 asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, 556 unsigned int len, 557 compat_ulong_t __user *user_mask_ptr); 558 asmlinkage long compat_sys_timer_create(clockid_t which_clock, 559 struct compat_sigevent __user *timer_event_spec, 560 timer_t __user *created_timer_id); 561 asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags, 562 struct compat_itimerspec __user *new, 563 struct compat_itimerspec __user *old); 564 asmlinkage long compat_sys_timer_gettime(timer_t timer_id, 565 struct compat_itimerspec __user *setting); 566 asmlinkage long compat_sys_clock_settime(clockid_t which_clock, 567 struct compat_timespec __user *tp); 568 asmlinkage long compat_sys_clock_gettime(clockid_t which_clock, 569 struct compat_timespec __user *tp); 570 asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, 571 struct compat_timex __user *tp); 572 asmlinkage long compat_sys_clock_getres(clockid_t which_clock, 573 struct compat_timespec __user *tp); 574 asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, 575 struct compat_timespec __user *rqtp, 576 struct compat_timespec __user *rmtp); 577 asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, 578 struct compat_siginfo __user *uinfo, 579 struct compat_timespec __user *uts, compat_size_t sigsetsize); 580 asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, 581 compat_size_t sigsetsize); 582 asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); 583 asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, 584 unsigned long arg); 585 asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, 586 struct compat_timespec __user *utime, u32 __user *uaddr2, 587 u32 val3); 588 asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, 589 char __user *optval, int __user *optlen); 590 asmlinkage long compat_sys_kexec_load(unsigned long entry, 591 unsigned long nr_segments, 592 struct compat_kexec_segment __user *, 593 unsigned long flags); 594 asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, 595 const struct compat_mq_attr __user *u_mqstat, 596 struct compat_mq_attr __user *u_omqstat); 597 asmlinkage long compat_sys_mq_notify(mqd_t mqdes, 598 const struct compat_sigevent __user *u_notification); 599 asmlinkage long compat_sys_mq_open(const char __user *u_name, 600 int oflag, compat_mode_t mode, 601 struct compat_mq_attr __user *u_attr); 602 asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes, 603 const char __user *u_msg_ptr, 604 size_t msg_len, unsigned int msg_prio, 605 const struct compat_timespec __user *u_abs_timeout); 606 asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes, 607 char __user *u_msg_ptr, 608 size_t msg_len, unsigned int __user *u_msg_prio, 609 const struct compat_timespec __user *u_abs_timeout); 610 asmlinkage long compat_sys_socketcall(int call, u32 __user *args); 611 asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args); 612 613 extern ssize_t compat_rw_copy_check_uvector(int type, 614 const struct compat_iovec __user *uvector, 615 unsigned long nr_segs, 616 unsigned long fast_segs, struct iovec *fast_pointer, 617 struct iovec **ret_pointer); 618 619 extern void __user *compat_alloc_user_space(unsigned long len); 620 621 asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid, 622 const struct compat_iovec __user *lvec, 623 unsigned long liovcnt, const struct compat_iovec __user *rvec, 624 unsigned long riovcnt, unsigned long flags); 625 asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid, 626 const struct compat_iovec __user *lvec, 627 unsigned long liovcnt, const struct compat_iovec __user *rvec, 628 unsigned long riovcnt, unsigned long flags); 629 630 asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, 631 compat_off_t __user *offset, compat_size_t count); 632 633 #else 634 635 #define is_compat_task() (0) 636 637 #endif /* CONFIG_COMPAT */ 638 #endif /* _LINUX_COMPAT_H */ 639