compat.h revision 9b064fc3f95a8e44e929fdf4d6037334ea03d15b
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#define compat_jiffies_to_clock_t(x) \ 72 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ) 73 74typedef __compat_uid32_t compat_uid_t; 75typedef __compat_gid32_t compat_gid_t; 76 77struct compat_sel_arg_struct; 78struct rusage; 79 80struct compat_itimerspec { 81 struct compat_timespec it_interval; 82 struct compat_timespec it_value; 83}; 84 85struct compat_utimbuf { 86 compat_time_t actime; 87 compat_time_t modtime; 88}; 89 90struct compat_itimerval { 91 struct compat_timeval it_interval; 92 struct compat_timeval it_value; 93}; 94 95struct compat_tms { 96 compat_clock_t tms_utime; 97 compat_clock_t tms_stime; 98 compat_clock_t tms_cutime; 99 compat_clock_t tms_cstime; 100}; 101 102struct compat_timex { 103 compat_uint_t modes; 104 compat_long_t offset; 105 compat_long_t freq; 106 compat_long_t maxerror; 107 compat_long_t esterror; 108 compat_int_t status; 109 compat_long_t constant; 110 compat_long_t precision; 111 compat_long_t tolerance; 112 struct compat_timeval time; 113 compat_long_t tick; 114 compat_long_t ppsfreq; 115 compat_long_t jitter; 116 compat_int_t shift; 117 compat_long_t stabil; 118 compat_long_t jitcnt; 119 compat_long_t calcnt; 120 compat_long_t errcnt; 121 compat_long_t stbcnt; 122 compat_int_t tai; 123 124 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 125 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 126 compat_int_t:32; compat_int_t:32; compat_int_t:32; 127}; 128 129#define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW) 130 131typedef struct { 132 compat_sigset_word sig[_COMPAT_NSIG_WORDS]; 133} compat_sigset_t; 134 135/* 136 * These functions operate strictly on struct compat_time* 137 */ 138extern int get_compat_timespec(struct timespec *, 139 const struct compat_timespec __user *); 140extern int put_compat_timespec(const struct timespec *, 141 struct compat_timespec __user *); 142extern int get_compat_timeval(struct timeval *, 143 const struct compat_timeval __user *); 144extern int put_compat_timeval(const struct timeval *, 145 struct compat_timeval __user *); 146/* 147 * These functions operate on 32- or 64-bit specs depending on 148 * COMPAT_USE_64BIT_TIME, hence the void user pointer arguments and the 149 * naming as compat_get/put_ rather than get/put_compat_. 150 */ 151extern int compat_get_timespec(struct timespec *, const void __user *); 152extern int compat_put_timespec(const struct timespec *, void __user *); 153extern int compat_get_timeval(struct timeval *, const void __user *); 154extern int compat_put_timeval(const struct timeval *, void __user *); 155 156struct compat_iovec { 157 compat_uptr_t iov_base; 158 compat_size_t iov_len; 159}; 160 161struct compat_rlimit { 162 compat_ulong_t rlim_cur; 163 compat_ulong_t rlim_max; 164}; 165 166struct compat_rusage { 167 struct compat_timeval ru_utime; 168 struct compat_timeval ru_stime; 169 compat_long_t ru_maxrss; 170 compat_long_t ru_ixrss; 171 compat_long_t ru_idrss; 172 compat_long_t ru_isrss; 173 compat_long_t ru_minflt; 174 compat_long_t ru_majflt; 175 compat_long_t ru_nswap; 176 compat_long_t ru_inblock; 177 compat_long_t ru_oublock; 178 compat_long_t ru_msgsnd; 179 compat_long_t ru_msgrcv; 180 compat_long_t ru_nsignals; 181 compat_long_t ru_nvcsw; 182 compat_long_t ru_nivcsw; 183}; 184 185extern int put_compat_rusage(const struct rusage *, 186 struct compat_rusage __user *); 187 188struct compat_siginfo; 189 190extern asmlinkage long compat_sys_waitid(int, compat_pid_t, 191 struct compat_siginfo __user *, int, 192 struct compat_rusage __user *); 193 194struct compat_dirent { 195 u32 d_ino; 196 compat_off_t d_off; 197 u16 d_reclen; 198 char d_name[256]; 199}; 200 201struct compat_ustat { 202 compat_daddr_t f_tfree; 203 compat_ino_t f_tinode; 204 char f_fname[6]; 205 char f_fpack[6]; 206}; 207 208#define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) 209 210typedef struct compat_sigevent { 211 compat_sigval_t sigev_value; 212 compat_int_t sigev_signo; 213 compat_int_t sigev_notify; 214 union { 215 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE]; 216 compat_int_t _tid; 217 218 struct { 219 compat_uptr_t _function; 220 compat_uptr_t _attribute; 221 } _sigev_thread; 222 } _sigev_un; 223} compat_sigevent_t; 224 225struct compat_ifmap { 226 compat_ulong_t mem_start; 227 compat_ulong_t mem_end; 228 unsigned short base_addr; 229 unsigned char irq; 230 unsigned char dma; 231 unsigned char port; 232}; 233 234struct compat_if_settings { 235 unsigned int type; /* Type of physical device or protocol */ 236 unsigned int size; /* Size of the data allocated by the caller */ 237 compat_uptr_t ifs_ifsu; /* union of pointers */ 238}; 239 240struct compat_ifreq { 241 union { 242 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 243 } ifr_ifrn; 244 union { 245 struct sockaddr ifru_addr; 246 struct sockaddr ifru_dstaddr; 247 struct sockaddr ifru_broadaddr; 248 struct sockaddr ifru_netmask; 249 struct sockaddr ifru_hwaddr; 250 short ifru_flags; 251 compat_int_t ifru_ivalue; 252 compat_int_t ifru_mtu; 253 struct compat_ifmap ifru_map; 254 char ifru_slave[IFNAMSIZ]; /* Just fits the size */ 255 char ifru_newname[IFNAMSIZ]; 256 compat_caddr_t ifru_data; 257 struct compat_if_settings ifru_settings; 258 } ifr_ifru; 259}; 260 261struct compat_ifconf { 262 compat_int_t ifc_len; /* size of buffer */ 263 compat_caddr_t ifcbuf; 264}; 265 266struct compat_robust_list { 267 compat_uptr_t next; 268}; 269 270struct compat_robust_list_head { 271 struct compat_robust_list list; 272 compat_long_t futex_offset; 273 compat_uptr_t list_op_pending; 274}; 275 276struct compat_statfs; 277struct compat_statfs64; 278struct compat_old_linux_dirent; 279struct compat_linux_dirent; 280struct linux_dirent64; 281struct compat_msghdr; 282struct compat_mmsghdr; 283struct compat_sysinfo; 284struct compat_sysctl_args; 285struct compat_kexec_segment; 286struct compat_mq_attr; 287struct compat_msgbuf; 288 289extern void compat_exit_robust_list(struct task_struct *curr); 290 291asmlinkage long 292compat_sys_set_robust_list(struct compat_robust_list_head __user *head, 293 compat_size_t len); 294asmlinkage long 295compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, 296 compat_size_t __user *len_ptr); 297 298#ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC 299long compat_sys_semctl(int first, int second, int third, void __user *uptr); 300long compat_sys_msgsnd(int first, int second, int third, void __user *uptr); 301long compat_sys_msgrcv(int first, int second, int msgtyp, int third, 302 int version, void __user *uptr); 303long compat_sys_shmat(int first, int second, compat_uptr_t third, int version, 304 void __user *uptr); 305#else 306long compat_sys_semctl(int semid, int semnum, int cmd, int arg); 307long compat_sys_msgsnd(int msqid, struct compat_msgbuf __user *msgp, 308 compat_ssize_t msgsz, int msgflg); 309long compat_sys_msgrcv(int msqid, struct compat_msgbuf __user *msgp, 310 compat_ssize_t msgsz, long msgtyp, int msgflg); 311long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg); 312#endif 313long compat_sys_msgctl(int first, int second, void __user *uptr); 314long compat_sys_shmctl(int first, int second, void __user *uptr); 315long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, 316 unsigned nsems, const struct compat_timespec __user *timeout); 317asmlinkage long compat_sys_keyctl(u32 option, 318 u32 arg2, u32 arg3, u32 arg4, u32 arg5); 319asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); 320 321asmlinkage ssize_t compat_sys_readv(unsigned long fd, 322 const struct compat_iovec __user *vec, unsigned long vlen); 323asmlinkage ssize_t compat_sys_writev(unsigned long fd, 324 const struct compat_iovec __user *vec, unsigned long vlen); 325asmlinkage ssize_t compat_sys_preadv(unsigned long fd, 326 const struct compat_iovec __user *vec, 327 unsigned long vlen, u32 pos_low, u32 pos_high); 328asmlinkage ssize_t compat_sys_pwritev(unsigned long fd, 329 const struct compat_iovec __user *vec, 330 unsigned long vlen, u32 pos_low, u32 pos_high); 331 332asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv, 333 const compat_uptr_t __user *envp); 334 335asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, 336 compat_ulong_t __user *outp, compat_ulong_t __user *exp, 337 struct compat_timeval __user *tvp); 338 339asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg); 340 341asmlinkage long compat_sys_wait4(compat_pid_t pid, 342 compat_uint_t __user *stat_addr, int options, 343 struct compat_rusage __user *ru); 344 345#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t)) 346 347#define BITS_TO_COMPAT_LONGS(bits) \ 348 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG) 349 350long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, 351 unsigned long bitmap_size); 352long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, 353 unsigned long bitmap_size); 354int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from); 355int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from); 356int get_compat_sigevent(struct sigevent *event, 357 const struct compat_sigevent __user *u_event); 358long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, 359 struct compat_siginfo __user *uinfo); 360 361static inline int compat_timeval_compare(struct compat_timeval *lhs, 362 struct compat_timeval *rhs) 363{ 364 if (lhs->tv_sec < rhs->tv_sec) 365 return -1; 366 if (lhs->tv_sec > rhs->tv_sec) 367 return 1; 368 return lhs->tv_usec - rhs->tv_usec; 369} 370 371static inline int compat_timespec_compare(struct compat_timespec *lhs, 372 struct compat_timespec *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_nsec - rhs->tv_nsec; 379} 380 381extern int get_compat_itimerspec(struct itimerspec *dst, 382 const struct compat_itimerspec __user *src); 383extern int put_compat_itimerspec(struct compat_itimerspec __user *dst, 384 const struct itimerspec *src); 385 386asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, 387 struct timezone __user *tz); 388asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, 389 struct timezone __user *tz); 390 391asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); 392 393extern int compat_printk(const char *fmt, ...); 394extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat); 395 396asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, 397 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, 398 const compat_ulong_t __user *new_nodes); 399 400extern int compat_ptrace_request(struct task_struct *child, 401 compat_long_t request, 402 compat_ulong_t addr, compat_ulong_t data); 403 404extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, 405 compat_ulong_t addr, compat_ulong_t data); 406asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, 407 compat_long_t addr, compat_long_t data); 408 409/* 410 * epoll (fs/eventpoll.c) compat bits follow ... 411 */ 412struct epoll_event; 413#define compat_epoll_event epoll_event 414asmlinkage long compat_sys_epoll_pwait(int epfd, 415 struct compat_epoll_event __user *events, 416 int maxevents, int timeout, 417 const compat_sigset_t __user *sigmask, 418 compat_size_t sigsetsize); 419 420asmlinkage long compat_sys_utime(const char __user *filename, 421 struct compat_utimbuf __user *t); 422asmlinkage long compat_sys_utimensat(unsigned int dfd, 423 const char __user *filename, 424 struct compat_timespec __user *t, 425 int flags); 426 427asmlinkage long compat_sys_time(compat_time_t __user *tloc); 428asmlinkage long compat_sys_stime(compat_time_t __user *tptr); 429asmlinkage long compat_sys_signalfd(int ufd, 430 const compat_sigset_t __user *sigmask, 431 compat_size_t sigsetsize); 432asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, 433 const struct compat_itimerspec __user *utmr, 434 struct compat_itimerspec __user *otmr); 435asmlinkage long compat_sys_timerfd_gettime(int ufd, 436 struct compat_itimerspec __user *otmr); 437 438asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page, 439 __u32 __user *pages, 440 const int __user *nodes, 441 int __user *status, 442 int flags); 443asmlinkage long compat_sys_futimesat(unsigned int dfd, 444 const char __user *filename, 445 struct compat_timeval __user *t); 446asmlinkage long compat_sys_utimes(const char __user *filename, 447 struct compat_timeval __user *t); 448asmlinkage long compat_sys_newstat(const char __user *filename, 449 struct compat_stat __user *statbuf); 450asmlinkage long compat_sys_newlstat(const char __user *filename, 451 struct compat_stat __user *statbuf); 452asmlinkage long compat_sys_newfstatat(unsigned int dfd, 453 const char __user *filename, 454 struct compat_stat __user *statbuf, 455 int flag); 456asmlinkage long compat_sys_newfstat(unsigned int fd, 457 struct compat_stat __user *statbuf); 458asmlinkage long compat_sys_statfs(const char __user *pathname, 459 struct compat_statfs __user *buf); 460asmlinkage long compat_sys_fstatfs(unsigned int fd, 461 struct compat_statfs __user *buf); 462asmlinkage long compat_sys_statfs64(const char __user *pathname, 463 compat_size_t sz, 464 struct compat_statfs64 __user *buf); 465asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, 466 struct compat_statfs64 __user *buf); 467asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, 468 unsigned long arg); 469asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, 470 unsigned long arg); 471asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); 472asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id, 473 unsigned long min_nr, 474 unsigned long nr, 475 struct io_event __user *events, 476 struct compat_timespec __user *timeout); 477asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr, 478 u32 __user *iocb); 479asmlinkage long compat_sys_mount(const char __user *dev_name, 480 const char __user *dir_name, 481 const char __user *type, unsigned long flags, 482 const void __user *data); 483asmlinkage long compat_sys_old_readdir(unsigned int fd, 484 struct compat_old_linux_dirent __user *, 485 unsigned int count); 486asmlinkage long compat_sys_getdents(unsigned int fd, 487 struct compat_linux_dirent __user *dirent, 488 unsigned int count); 489asmlinkage long compat_sys_getdents64(unsigned int fd, 490 struct linux_dirent64 __user *dirent, 491 unsigned int count); 492asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, 493 unsigned int nr_segs, unsigned int flags); 494asmlinkage long compat_sys_open(const char __user *filename, int flags, 495 umode_t mode); 496asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename, 497 int flags, umode_t mode); 498asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, 499 struct file_handle __user *handle, 500 int flags); 501asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, 502 compat_ulong_t __user *outp, 503 compat_ulong_t __user *exp, 504 struct compat_timespec __user *tsp, 505 void __user *sig); 506asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, 507 unsigned int nfds, 508 struct compat_timespec __user *tsp, 509 const compat_sigset_t __user *sigmask, 510 compat_size_t sigsetsize); 511asmlinkage long compat_sys_signalfd4(int ufd, 512 const compat_sigset_t __user *sigmask, 513 compat_size_t sigsetsize, int flags); 514asmlinkage long compat_sys_get_mempolicy(int __user *policy, 515 compat_ulong_t __user *nmask, 516 compat_ulong_t maxnode, 517 compat_ulong_t addr, 518 compat_ulong_t flags); 519asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, 520 compat_ulong_t maxnode); 521asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, 522 compat_ulong_t mode, 523 compat_ulong_t __user *nmask, 524 compat_ulong_t maxnode, compat_ulong_t flags); 525 526asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, 527 char __user *optval, unsigned int optlen); 528asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, 529 unsigned flags); 530asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, 531 unsigned vlen, unsigned int flags); 532asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, 533 unsigned int flags); 534asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len, 535 unsigned flags); 536asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len, 537 unsigned flags, struct sockaddr __user *addr, 538 int __user *addrlen); 539asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, 540 unsigned vlen, unsigned int flags, 541 struct compat_timespec __user *timeout); 542asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp, 543 struct compat_timespec __user *rmtp); 544asmlinkage long compat_sys_getitimer(int which, 545 struct compat_itimerval __user *it); 546asmlinkage long compat_sys_setitimer(int which, 547 struct compat_itimerval __user *in, 548 struct compat_itimerval __user *out); 549asmlinkage long compat_sys_times(struct compat_tms __user *tbuf); 550asmlinkage long compat_sys_setrlimit(unsigned int resource, 551 struct compat_rlimit __user *rlim); 552asmlinkage long compat_sys_getrlimit(unsigned int resource, 553 struct compat_rlimit __user *rlim); 554asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru); 555asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, 556 unsigned int len, 557 compat_ulong_t __user *user_mask_ptr); 558asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, 559 unsigned int len, 560 compat_ulong_t __user *user_mask_ptr); 561asmlinkage long compat_sys_timer_create(clockid_t which_clock, 562 struct compat_sigevent __user *timer_event_spec, 563 timer_t __user *created_timer_id); 564asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags, 565 struct compat_itimerspec __user *new, 566 struct compat_itimerspec __user *old); 567asmlinkage long compat_sys_timer_gettime(timer_t timer_id, 568 struct compat_itimerspec __user *setting); 569asmlinkage long compat_sys_clock_settime(clockid_t which_clock, 570 struct compat_timespec __user *tp); 571asmlinkage long compat_sys_clock_gettime(clockid_t which_clock, 572 struct compat_timespec __user *tp); 573asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, 574 struct compat_timex __user *tp); 575asmlinkage long compat_sys_clock_getres(clockid_t which_clock, 576 struct compat_timespec __user *tp); 577asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, 578 struct compat_timespec __user *rqtp, 579 struct compat_timespec __user *rmtp); 580asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, 581 struct compat_siginfo __user *uinfo, 582 struct compat_timespec __user *uts, compat_size_t sigsetsize); 583asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, 584 compat_size_t sigsetsize); 585asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); 586asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, 587 unsigned long arg); 588asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, 589 struct compat_timespec __user *utime, u32 __user *uaddr2, 590 u32 val3); 591asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, 592 char __user *optval, int __user *optlen); 593asmlinkage long compat_sys_kexec_load(unsigned long entry, 594 unsigned long nr_segments, 595 struct compat_kexec_segment __user *, 596 unsigned long flags); 597asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, 598 const struct compat_mq_attr __user *u_mqstat, 599 struct compat_mq_attr __user *u_omqstat); 600asmlinkage long compat_sys_mq_notify(mqd_t mqdes, 601 const struct compat_sigevent __user *u_notification); 602asmlinkage long compat_sys_mq_open(const char __user *u_name, 603 int oflag, compat_mode_t mode, 604 struct compat_mq_attr __user *u_attr); 605asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes, 606 const char __user *u_msg_ptr, 607 size_t msg_len, unsigned int msg_prio, 608 const struct compat_timespec __user *u_abs_timeout); 609asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes, 610 char __user *u_msg_ptr, 611 size_t msg_len, unsigned int __user *u_msg_prio, 612 const struct compat_timespec __user *u_abs_timeout); 613asmlinkage long compat_sys_socketcall(int call, u32 __user *args); 614asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args); 615 616extern ssize_t compat_rw_copy_check_uvector(int type, 617 const struct compat_iovec __user *uvector, 618 unsigned long nr_segs, 619 unsigned long fast_segs, struct iovec *fast_pointer, 620 struct iovec **ret_pointer); 621 622extern void __user *compat_alloc_user_space(unsigned long len); 623 624asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid, 625 const struct compat_iovec __user *lvec, 626 unsigned long liovcnt, const struct compat_iovec __user *rvec, 627 unsigned long riovcnt, unsigned long flags); 628asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid, 629 const struct compat_iovec __user *lvec, 630 unsigned long liovcnt, const struct compat_iovec __user *rvec, 631 unsigned long riovcnt, unsigned long flags); 632 633asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, 634 compat_off_t __user *offset, compat_size_t count); 635 636#else 637 638#define is_compat_task() (0) 639 640#endif /* CONFIG_COMPAT */ 641#endif /* _LINUX_COMPAT_H */ 642