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