compat.h revision 07fe6e00f6cca6fef85a14a1dc3ed4f2e35d3f0b
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#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS 44 45#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \ 46 asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ 47 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ 48 asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))\ 49 { \ 50 return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \ 51 } \ 52 SYSCALL_ALIAS(compat_sys##name, compat_SyS##name); \ 53 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 54 55#else /* CONFIG_HAVE_SYSCALL_WRAPPERS */ 56 57#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \ 58 asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 59 60#endif /* CONFIG_HAVE_SYSCALL_WRAPPERS */ 61 62#ifndef compat_user_stack_pointer 63#define compat_user_stack_pointer() current_user_stack_pointer() 64#endif 65#ifndef compat_sigaltstack /* we'll need that for MIPS */ 66typedef struct compat_sigaltstack { 67 compat_uptr_t ss_sp; 68 int ss_flags; 69 compat_size_t ss_size; 70} compat_stack_t; 71#endif 72 73#define compat_jiffies_to_clock_t(x) \ 74 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ) 75 76typedef __compat_uid32_t compat_uid_t; 77typedef __compat_gid32_t compat_gid_t; 78 79struct compat_sel_arg_struct; 80struct rusage; 81 82struct compat_itimerspec { 83 struct compat_timespec it_interval; 84 struct compat_timespec it_value; 85}; 86 87struct compat_utimbuf { 88 compat_time_t actime; 89 compat_time_t modtime; 90}; 91 92struct compat_itimerval { 93 struct compat_timeval it_interval; 94 struct compat_timeval it_value; 95}; 96 97struct compat_tms { 98 compat_clock_t tms_utime; 99 compat_clock_t tms_stime; 100 compat_clock_t tms_cutime; 101 compat_clock_t tms_cstime; 102}; 103 104struct compat_timex { 105 compat_uint_t modes; 106 compat_long_t offset; 107 compat_long_t freq; 108 compat_long_t maxerror; 109 compat_long_t esterror; 110 compat_int_t status; 111 compat_long_t constant; 112 compat_long_t precision; 113 compat_long_t tolerance; 114 struct compat_timeval time; 115 compat_long_t tick; 116 compat_long_t ppsfreq; 117 compat_long_t jitter; 118 compat_int_t shift; 119 compat_long_t stabil; 120 compat_long_t jitcnt; 121 compat_long_t calcnt; 122 compat_long_t errcnt; 123 compat_long_t stbcnt; 124 compat_int_t tai; 125 126 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 127 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 128 compat_int_t:32; compat_int_t:32; compat_int_t:32; 129}; 130 131#define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW) 132 133typedef struct { 134 compat_sigset_word sig[_COMPAT_NSIG_WORDS]; 135} compat_sigset_t; 136 137struct compat_sigaction { 138#ifndef __ARCH_HAS_ODD_SIGACTION 139 compat_uptr_t sa_handler; 140 compat_ulong_t sa_flags; 141#else 142 compat_ulong_t sa_flags; 143 compat_uptr_t sa_handler; 144#endif 145#ifdef __ARCH_HAS_SA_RESTORER 146 compat_uptr_t sa_restorer; 147#endif 148 compat_sigset_t sa_mask __packed; 149}; 150 151/* 152 * These functions operate strictly on struct compat_time* 153 */ 154extern int get_compat_timespec(struct timespec *, 155 const struct compat_timespec __user *); 156extern int put_compat_timespec(const struct timespec *, 157 struct compat_timespec __user *); 158extern int get_compat_timeval(struct timeval *, 159 const struct compat_timeval __user *); 160extern int put_compat_timeval(const struct timeval *, 161 struct compat_timeval __user *); 162/* 163 * These functions operate on 32- or 64-bit specs depending on 164 * COMPAT_USE_64BIT_TIME, hence the void user pointer arguments and the 165 * naming as compat_get/put_ rather than get/put_compat_. 166 */ 167extern int compat_get_timespec(struct timespec *, const void __user *); 168extern int compat_put_timespec(const struct timespec *, void __user *); 169extern int compat_get_timeval(struct timeval *, const void __user *); 170extern int compat_put_timeval(const struct timeval *, void __user *); 171 172struct compat_iovec { 173 compat_uptr_t iov_base; 174 compat_size_t iov_len; 175}; 176 177struct compat_rlimit { 178 compat_ulong_t rlim_cur; 179 compat_ulong_t rlim_max; 180}; 181 182struct compat_rusage { 183 struct compat_timeval ru_utime; 184 struct compat_timeval ru_stime; 185 compat_long_t ru_maxrss; 186 compat_long_t ru_ixrss; 187 compat_long_t ru_idrss; 188 compat_long_t ru_isrss; 189 compat_long_t ru_minflt; 190 compat_long_t ru_majflt; 191 compat_long_t ru_nswap; 192 compat_long_t ru_inblock; 193 compat_long_t ru_oublock; 194 compat_long_t ru_msgsnd; 195 compat_long_t ru_msgrcv; 196 compat_long_t ru_nsignals; 197 compat_long_t ru_nvcsw; 198 compat_long_t ru_nivcsw; 199}; 200 201extern int put_compat_rusage(const struct rusage *, 202 struct compat_rusage __user *); 203 204struct compat_siginfo; 205 206extern asmlinkage long compat_sys_waitid(int, compat_pid_t, 207 struct compat_siginfo __user *, int, 208 struct compat_rusage __user *); 209 210struct compat_dirent { 211 u32 d_ino; 212 compat_off_t d_off; 213 u16 d_reclen; 214 char d_name[256]; 215}; 216 217struct compat_ustat { 218 compat_daddr_t f_tfree; 219 compat_ino_t f_tinode; 220 char f_fname[6]; 221 char f_fpack[6]; 222}; 223 224#define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) 225 226typedef struct compat_sigevent { 227 compat_sigval_t sigev_value; 228 compat_int_t sigev_signo; 229 compat_int_t sigev_notify; 230 union { 231 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE]; 232 compat_int_t _tid; 233 234 struct { 235 compat_uptr_t _function; 236 compat_uptr_t _attribute; 237 } _sigev_thread; 238 } _sigev_un; 239} compat_sigevent_t; 240 241struct compat_ifmap { 242 compat_ulong_t mem_start; 243 compat_ulong_t mem_end; 244 unsigned short base_addr; 245 unsigned char irq; 246 unsigned char dma; 247 unsigned char port; 248}; 249 250struct compat_if_settings { 251 unsigned int type; /* Type of physical device or protocol */ 252 unsigned int size; /* Size of the data allocated by the caller */ 253 compat_uptr_t ifs_ifsu; /* union of pointers */ 254}; 255 256struct compat_ifreq { 257 union { 258 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 259 } ifr_ifrn; 260 union { 261 struct sockaddr ifru_addr; 262 struct sockaddr ifru_dstaddr; 263 struct sockaddr ifru_broadaddr; 264 struct sockaddr ifru_netmask; 265 struct sockaddr ifru_hwaddr; 266 short ifru_flags; 267 compat_int_t ifru_ivalue; 268 compat_int_t ifru_mtu; 269 struct compat_ifmap ifru_map; 270 char ifru_slave[IFNAMSIZ]; /* Just fits the size */ 271 char ifru_newname[IFNAMSIZ]; 272 compat_caddr_t ifru_data; 273 struct compat_if_settings ifru_settings; 274 } ifr_ifru; 275}; 276 277struct compat_ifconf { 278 compat_int_t ifc_len; /* size of buffer */ 279 compat_caddr_t ifcbuf; 280}; 281 282struct compat_robust_list { 283 compat_uptr_t next; 284}; 285 286struct compat_robust_list_head { 287 struct compat_robust_list list; 288 compat_long_t futex_offset; 289 compat_uptr_t list_op_pending; 290}; 291 292#ifdef CONFIG_COMPAT_OLD_SIGACTION 293struct compat_old_sigaction { 294 compat_uptr_t sa_handler; 295 compat_old_sigset_t sa_mask; 296 compat_ulong_t sa_flags; 297 compat_uptr_t sa_restorer; 298}; 299#endif 300 301struct compat_statfs; 302struct compat_statfs64; 303struct compat_old_linux_dirent; 304struct compat_linux_dirent; 305struct linux_dirent64; 306struct compat_msghdr; 307struct compat_mmsghdr; 308struct compat_sysinfo; 309struct compat_sysctl_args; 310struct compat_kexec_segment; 311struct compat_mq_attr; 312struct compat_msgbuf; 313 314extern void compat_exit_robust_list(struct task_struct *curr); 315 316asmlinkage long 317compat_sys_set_robust_list(struct compat_robust_list_head __user *head, 318 compat_size_t len); 319asmlinkage long 320compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, 321 compat_size_t __user *len_ptr); 322 323#ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC 324long compat_sys_semctl(int first, int second, int third, void __user *uptr); 325long compat_sys_msgsnd(int first, int second, int third, void __user *uptr); 326long compat_sys_msgrcv(int first, int second, int msgtyp, int third, 327 int version, void __user *uptr); 328long compat_sys_shmat(int first, int second, compat_uptr_t third, int version, 329 void __user *uptr); 330#else 331long compat_sys_semctl(int semid, int semnum, int cmd, int arg); 332long compat_sys_msgsnd(int msqid, struct compat_msgbuf __user *msgp, 333 compat_ssize_t msgsz, int msgflg); 334long compat_sys_msgrcv(int msqid, struct compat_msgbuf __user *msgp, 335 compat_ssize_t msgsz, long msgtyp, int msgflg); 336long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg); 337#endif 338long compat_sys_msgctl(int first, int second, void __user *uptr); 339long compat_sys_shmctl(int first, int second, void __user *uptr); 340long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, 341 unsigned nsems, const struct compat_timespec __user *timeout); 342asmlinkage long compat_sys_keyctl(u32 option, 343 u32 arg2, u32 arg3, u32 arg4, u32 arg5); 344asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); 345 346asmlinkage ssize_t compat_sys_readv(unsigned long fd, 347 const struct compat_iovec __user *vec, unsigned long vlen); 348asmlinkage ssize_t compat_sys_writev(unsigned long fd, 349 const struct compat_iovec __user *vec, unsigned long vlen); 350asmlinkage ssize_t compat_sys_preadv(unsigned long fd, 351 const struct compat_iovec __user *vec, 352 unsigned long vlen, u32 pos_low, u32 pos_high); 353asmlinkage ssize_t compat_sys_pwritev(unsigned long fd, 354 const struct compat_iovec __user *vec, 355 unsigned long vlen, u32 pos_low, u32 pos_high); 356asmlinkage long comat_sys_lseek(unsigned int, compat_off_t, unsigned int); 357 358asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv, 359 const compat_uptr_t __user *envp); 360 361asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, 362 compat_ulong_t __user *outp, compat_ulong_t __user *exp, 363 struct compat_timeval __user *tvp); 364 365asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg); 366 367asmlinkage long compat_sys_wait4(compat_pid_t pid, 368 compat_uint_t __user *stat_addr, int options, 369 struct compat_rusage __user *ru); 370 371#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t)) 372 373#define BITS_TO_COMPAT_LONGS(bits) \ 374 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG) 375 376long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, 377 unsigned long bitmap_size); 378long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, 379 unsigned long bitmap_size); 380int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from); 381int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from); 382int get_compat_sigevent(struct sigevent *event, 383 const struct compat_sigevent __user *u_event); 384long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, 385 struct compat_siginfo __user *uinfo); 386#ifdef CONFIG_COMPAT_OLD_SIGACTION 387asmlinkage long compat_sys_sigaction(int sig, 388 const struct compat_old_sigaction __user *act, 389 struct compat_old_sigaction __user *oact); 390#endif 391 392static inline int compat_timeval_compare(struct compat_timeval *lhs, 393 struct compat_timeval *rhs) 394{ 395 if (lhs->tv_sec < rhs->tv_sec) 396 return -1; 397 if (lhs->tv_sec > rhs->tv_sec) 398 return 1; 399 return lhs->tv_usec - rhs->tv_usec; 400} 401 402static inline int compat_timespec_compare(struct compat_timespec *lhs, 403 struct compat_timespec *rhs) 404{ 405 if (lhs->tv_sec < rhs->tv_sec) 406 return -1; 407 if (lhs->tv_sec > rhs->tv_sec) 408 return 1; 409 return lhs->tv_nsec - rhs->tv_nsec; 410} 411 412extern int get_compat_itimerspec(struct itimerspec *dst, 413 const struct compat_itimerspec __user *src); 414extern int put_compat_itimerspec(struct compat_itimerspec __user *dst, 415 const struct itimerspec *src); 416 417asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, 418 struct timezone __user *tz); 419asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, 420 struct timezone __user *tz); 421 422asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); 423 424extern int compat_printk(const char *fmt, ...); 425extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat); 426extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set); 427 428asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, 429 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, 430 const compat_ulong_t __user *new_nodes); 431 432extern int compat_ptrace_request(struct task_struct *child, 433 compat_long_t request, 434 compat_ulong_t addr, compat_ulong_t data); 435 436extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, 437 compat_ulong_t addr, compat_ulong_t data); 438asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, 439 compat_long_t addr, compat_long_t data); 440 441/* 442 * epoll (fs/eventpoll.c) compat bits follow ... 443 */ 444struct epoll_event; 445#define compat_epoll_event epoll_event 446asmlinkage long compat_sys_epoll_pwait(int epfd, 447 struct compat_epoll_event __user *events, 448 int maxevents, int timeout, 449 const compat_sigset_t __user *sigmask, 450 compat_size_t sigsetsize); 451 452asmlinkage long compat_sys_utime(const char __user *filename, 453 struct compat_utimbuf __user *t); 454asmlinkage long compat_sys_utimensat(unsigned int dfd, 455 const char __user *filename, 456 struct compat_timespec __user *t, 457 int flags); 458 459asmlinkage long compat_sys_time(compat_time_t __user *tloc); 460asmlinkage long compat_sys_stime(compat_time_t __user *tptr); 461asmlinkage long compat_sys_signalfd(int ufd, 462 const compat_sigset_t __user *sigmask, 463 compat_size_t sigsetsize); 464asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, 465 const struct compat_itimerspec __user *utmr, 466 struct compat_itimerspec __user *otmr); 467asmlinkage long compat_sys_timerfd_gettime(int ufd, 468 struct compat_itimerspec __user *otmr); 469 470asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page, 471 __u32 __user *pages, 472 const int __user *nodes, 473 int __user *status, 474 int flags); 475asmlinkage long compat_sys_futimesat(unsigned int dfd, 476 const char __user *filename, 477 struct compat_timeval __user *t); 478asmlinkage long compat_sys_utimes(const char __user *filename, 479 struct compat_timeval __user *t); 480asmlinkage long compat_sys_newstat(const char __user *filename, 481 struct compat_stat __user *statbuf); 482asmlinkage long compat_sys_newlstat(const char __user *filename, 483 struct compat_stat __user *statbuf); 484asmlinkage long compat_sys_newfstatat(unsigned int dfd, 485 const char __user *filename, 486 struct compat_stat __user *statbuf, 487 int flag); 488asmlinkage long compat_sys_newfstat(unsigned int fd, 489 struct compat_stat __user *statbuf); 490asmlinkage long compat_sys_statfs(const char __user *pathname, 491 struct compat_statfs __user *buf); 492asmlinkage long compat_sys_fstatfs(unsigned int fd, 493 struct compat_statfs __user *buf); 494asmlinkage long compat_sys_statfs64(const char __user *pathname, 495 compat_size_t sz, 496 struct compat_statfs64 __user *buf); 497asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, 498 struct compat_statfs64 __user *buf); 499asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, 500 unsigned long arg); 501asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, 502 unsigned long arg); 503asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); 504asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id, 505 unsigned long min_nr, 506 unsigned long nr, 507 struct io_event __user *events, 508 struct compat_timespec __user *timeout); 509asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr, 510 u32 __user *iocb); 511asmlinkage long compat_sys_mount(const char __user *dev_name, 512 const char __user *dir_name, 513 const char __user *type, unsigned long flags, 514 const void __user *data); 515asmlinkage long compat_sys_old_readdir(unsigned int fd, 516 struct compat_old_linux_dirent __user *, 517 unsigned int count); 518asmlinkage long compat_sys_getdents(unsigned int fd, 519 struct compat_linux_dirent __user *dirent, 520 unsigned int count); 521asmlinkage long compat_sys_getdents64(unsigned int fd, 522 struct linux_dirent64 __user *dirent, 523 unsigned int count); 524asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, 525 unsigned int nr_segs, unsigned int flags); 526asmlinkage long compat_sys_open(const char __user *filename, int flags, 527 umode_t mode); 528asmlinkage long compat_sys_openat(int dfd, const char __user *filename, 529 int flags, umode_t mode); 530asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, 531 struct file_handle __user *handle, 532 int flags); 533asmlinkage long compat_sys_truncate(const char __user *, compat_off_t); 534asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t); 535asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, 536 compat_ulong_t __user *outp, 537 compat_ulong_t __user *exp, 538 struct compat_timespec __user *tsp, 539 void __user *sig); 540asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, 541 unsigned int nfds, 542 struct compat_timespec __user *tsp, 543 const compat_sigset_t __user *sigmask, 544 compat_size_t sigsetsize); 545asmlinkage long compat_sys_signalfd4(int ufd, 546 const compat_sigset_t __user *sigmask, 547 compat_size_t sigsetsize, int flags); 548asmlinkage long compat_sys_get_mempolicy(int __user *policy, 549 compat_ulong_t __user *nmask, 550 compat_ulong_t maxnode, 551 compat_ulong_t addr, 552 compat_ulong_t flags); 553asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, 554 compat_ulong_t maxnode); 555asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, 556 compat_ulong_t mode, 557 compat_ulong_t __user *nmask, 558 compat_ulong_t maxnode, compat_ulong_t flags); 559 560asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, 561 char __user *optval, unsigned int optlen); 562asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, 563 unsigned flags); 564asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, 565 unsigned vlen, unsigned int flags); 566asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, 567 unsigned int flags); 568asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len, 569 unsigned flags); 570asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len, 571 unsigned flags, struct sockaddr __user *addr, 572 int __user *addrlen); 573asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, 574 unsigned vlen, unsigned int flags, 575 struct compat_timespec __user *timeout); 576asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp, 577 struct compat_timespec __user *rmtp); 578asmlinkage long compat_sys_getitimer(int which, 579 struct compat_itimerval __user *it); 580asmlinkage long compat_sys_setitimer(int which, 581 struct compat_itimerval __user *in, 582 struct compat_itimerval __user *out); 583asmlinkage long compat_sys_times(struct compat_tms __user *tbuf); 584asmlinkage long compat_sys_setrlimit(unsigned int resource, 585 struct compat_rlimit __user *rlim); 586asmlinkage long compat_sys_getrlimit(unsigned int resource, 587 struct compat_rlimit __user *rlim); 588asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru); 589asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, 590 unsigned int len, 591 compat_ulong_t __user *user_mask_ptr); 592asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, 593 unsigned int len, 594 compat_ulong_t __user *user_mask_ptr); 595asmlinkage long compat_sys_timer_create(clockid_t which_clock, 596 struct compat_sigevent __user *timer_event_spec, 597 timer_t __user *created_timer_id); 598asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags, 599 struct compat_itimerspec __user *new, 600 struct compat_itimerspec __user *old); 601asmlinkage long compat_sys_timer_gettime(timer_t timer_id, 602 struct compat_itimerspec __user *setting); 603asmlinkage long compat_sys_clock_settime(clockid_t which_clock, 604 struct compat_timespec __user *tp); 605asmlinkage long compat_sys_clock_gettime(clockid_t which_clock, 606 struct compat_timespec __user *tp); 607asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, 608 struct compat_timex __user *tp); 609asmlinkage long compat_sys_clock_getres(clockid_t which_clock, 610 struct compat_timespec __user *tp); 611asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, 612 struct compat_timespec __user *rqtp, 613 struct compat_timespec __user *rmtp); 614asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, 615 struct compat_siginfo __user *uinfo, 616 struct compat_timespec __user *uts, compat_size_t sigsetsize); 617asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, 618 compat_size_t sigsetsize); 619asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set, 620 compat_sigset_t __user *oset, 621 compat_size_t sigsetsize); 622asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset, 623 compat_size_t sigsetsize); 624#ifndef CONFIG_ODD_RT_SIGACTION 625asmlinkage long compat_sys_rt_sigaction(int, 626 const struct compat_sigaction __user *, 627 struct compat_sigaction __user *, 628 compat_size_t); 629#endif 630asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig, 631 struct compat_siginfo __user *uinfo); 632asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); 633asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, 634 unsigned long arg); 635asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, 636 struct compat_timespec __user *utime, u32 __user *uaddr2, 637 u32 val3); 638asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, 639 char __user *optval, int __user *optlen); 640asmlinkage long compat_sys_kexec_load(unsigned long entry, 641 unsigned long nr_segments, 642 struct compat_kexec_segment __user *, 643 unsigned long flags); 644asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, 645 const struct compat_mq_attr __user *u_mqstat, 646 struct compat_mq_attr __user *u_omqstat); 647asmlinkage long compat_sys_mq_notify(mqd_t mqdes, 648 const struct compat_sigevent __user *u_notification); 649asmlinkage long compat_sys_mq_open(const char __user *u_name, 650 int oflag, compat_mode_t mode, 651 struct compat_mq_attr __user *u_attr); 652asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes, 653 const char __user *u_msg_ptr, 654 size_t msg_len, unsigned int msg_prio, 655 const struct compat_timespec __user *u_abs_timeout); 656asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes, 657 char __user *u_msg_ptr, 658 size_t msg_len, unsigned int __user *u_msg_prio, 659 const struct compat_timespec __user *u_abs_timeout); 660asmlinkage long compat_sys_socketcall(int call, u32 __user *args); 661asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args); 662 663extern ssize_t compat_rw_copy_check_uvector(int type, 664 const struct compat_iovec __user *uvector, 665 unsigned long nr_segs, 666 unsigned long fast_segs, struct iovec *fast_pointer, 667 struct iovec **ret_pointer); 668 669extern void __user *compat_alloc_user_space(unsigned long len); 670 671asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid, 672 const struct compat_iovec __user *lvec, 673 unsigned long liovcnt, const struct compat_iovec __user *rvec, 674 unsigned long riovcnt, unsigned long flags); 675asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid, 676 const struct compat_iovec __user *lvec, 677 unsigned long liovcnt, const struct compat_iovec __user *rvec, 678 unsigned long riovcnt, unsigned long flags); 679 680asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, 681 compat_off_t __user *offset, compat_size_t count); 682asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, 683 compat_stack_t __user *uoss_ptr); 684 685int compat_restore_altstack(const compat_stack_t __user *uss); 686int __compat_save_altstack(compat_stack_t __user *, unsigned long); 687 688asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, 689 struct compat_timespec __user *interval); 690 691#else 692 693#define is_compat_task() (0) 694 695#endif /* CONFIG_COMPAT */ 696#endif /* _LINUX_COMPAT_H */ 697