compat.h revision 08d32fe504a7670cab3190c624448695adcf70e4
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 */ 73typedef 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 84typedef __compat_uid32_t compat_uid_t; 85typedef __compat_gid32_t compat_gid_t; 86 87struct compat_sel_arg_struct; 88struct rusage; 89 90struct compat_itimerspec { 91 struct compat_timespec it_interval; 92 struct compat_timespec it_value; 93}; 94 95struct compat_utimbuf { 96 compat_time_t actime; 97 compat_time_t modtime; 98}; 99 100struct compat_itimerval { 101 struct compat_timeval it_interval; 102 struct compat_timeval it_value; 103}; 104 105struct 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 112struct 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 141typedef struct { 142 compat_sigset_word sig[_COMPAT_NSIG_WORDS]; 143} compat_sigset_t; 144 145#ifdef CONFIG_GENERIC_COMPAT_RT_SIGACTION 146struct compat_sigaction { 147#ifndef __ARCH_HAS_ODD_SIGACTION 148 compat_uptr_t sa_handler; 149 compat_ulong_t sa_flags; 150#else 151 compat_ulong_t sa_flags; 152 compat_uptr_t sa_handler; 153#endif 154#ifdef __ARCH_HAS_SA_RESTORER 155 compat_uptr_t sa_restorer; 156#endif 157 compat_sigset_t sa_mask __packed; 158}; 159#endif 160 161/* 162 * These functions operate strictly on struct compat_time* 163 */ 164extern int get_compat_timespec(struct timespec *, 165 const struct compat_timespec __user *); 166extern int put_compat_timespec(const struct timespec *, 167 struct compat_timespec __user *); 168extern int get_compat_timeval(struct timeval *, 169 const struct compat_timeval __user *); 170extern int put_compat_timeval(const struct timeval *, 171 struct compat_timeval __user *); 172/* 173 * These functions operate on 32- or 64-bit specs depending on 174 * COMPAT_USE_64BIT_TIME, hence the void user pointer arguments and the 175 * naming as compat_get/put_ rather than get/put_compat_. 176 */ 177extern int compat_get_timespec(struct timespec *, const void __user *); 178extern int compat_put_timespec(const struct timespec *, void __user *); 179extern int compat_get_timeval(struct timeval *, const void __user *); 180extern int compat_put_timeval(const struct timeval *, void __user *); 181 182struct compat_iovec { 183 compat_uptr_t iov_base; 184 compat_size_t iov_len; 185}; 186 187struct compat_rlimit { 188 compat_ulong_t rlim_cur; 189 compat_ulong_t rlim_max; 190}; 191 192struct compat_rusage { 193 struct compat_timeval ru_utime; 194 struct compat_timeval ru_stime; 195 compat_long_t ru_maxrss; 196 compat_long_t ru_ixrss; 197 compat_long_t ru_idrss; 198 compat_long_t ru_isrss; 199 compat_long_t ru_minflt; 200 compat_long_t ru_majflt; 201 compat_long_t ru_nswap; 202 compat_long_t ru_inblock; 203 compat_long_t ru_oublock; 204 compat_long_t ru_msgsnd; 205 compat_long_t ru_msgrcv; 206 compat_long_t ru_nsignals; 207 compat_long_t ru_nvcsw; 208 compat_long_t ru_nivcsw; 209}; 210 211extern int put_compat_rusage(const struct rusage *, 212 struct compat_rusage __user *); 213 214struct compat_siginfo; 215 216extern asmlinkage long compat_sys_waitid(int, compat_pid_t, 217 struct compat_siginfo __user *, int, 218 struct compat_rusage __user *); 219 220struct compat_dirent { 221 u32 d_ino; 222 compat_off_t d_off; 223 u16 d_reclen; 224 char d_name[256]; 225}; 226 227struct compat_ustat { 228 compat_daddr_t f_tfree; 229 compat_ino_t f_tinode; 230 char f_fname[6]; 231 char f_fpack[6]; 232}; 233 234#define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) 235 236typedef struct compat_sigevent { 237 compat_sigval_t sigev_value; 238 compat_int_t sigev_signo; 239 compat_int_t sigev_notify; 240 union { 241 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE]; 242 compat_int_t _tid; 243 244 struct { 245 compat_uptr_t _function; 246 compat_uptr_t _attribute; 247 } _sigev_thread; 248 } _sigev_un; 249} compat_sigevent_t; 250 251struct compat_ifmap { 252 compat_ulong_t mem_start; 253 compat_ulong_t mem_end; 254 unsigned short base_addr; 255 unsigned char irq; 256 unsigned char dma; 257 unsigned char port; 258}; 259 260struct compat_if_settings { 261 unsigned int type; /* Type of physical device or protocol */ 262 unsigned int size; /* Size of the data allocated by the caller */ 263 compat_uptr_t ifs_ifsu; /* union of pointers */ 264}; 265 266struct compat_ifreq { 267 union { 268 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 269 } ifr_ifrn; 270 union { 271 struct sockaddr ifru_addr; 272 struct sockaddr ifru_dstaddr; 273 struct sockaddr ifru_broadaddr; 274 struct sockaddr ifru_netmask; 275 struct sockaddr ifru_hwaddr; 276 short ifru_flags; 277 compat_int_t ifru_ivalue; 278 compat_int_t ifru_mtu; 279 struct compat_ifmap ifru_map; 280 char ifru_slave[IFNAMSIZ]; /* Just fits the size */ 281 char ifru_newname[IFNAMSIZ]; 282 compat_caddr_t ifru_data; 283 struct compat_if_settings ifru_settings; 284 } ifr_ifru; 285}; 286 287struct compat_ifconf { 288 compat_int_t ifc_len; /* size of buffer */ 289 compat_caddr_t ifcbuf; 290}; 291 292struct compat_robust_list { 293 compat_uptr_t next; 294}; 295 296struct compat_robust_list_head { 297 struct compat_robust_list list; 298 compat_long_t futex_offset; 299 compat_uptr_t list_op_pending; 300}; 301 302struct compat_statfs; 303struct compat_statfs64; 304struct compat_old_linux_dirent; 305struct compat_linux_dirent; 306struct linux_dirent64; 307struct compat_msghdr; 308struct compat_mmsghdr; 309struct compat_sysinfo; 310struct compat_sysctl_args; 311struct compat_kexec_segment; 312struct compat_mq_attr; 313struct compat_msgbuf; 314 315extern void compat_exit_robust_list(struct task_struct *curr); 316 317asmlinkage long 318compat_sys_set_robust_list(struct compat_robust_list_head __user *head, 319 compat_size_t len); 320asmlinkage long 321compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, 322 compat_size_t __user *len_ptr); 323 324#ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC 325long compat_sys_semctl(int first, int second, int third, void __user *uptr); 326long compat_sys_msgsnd(int first, int second, int third, void __user *uptr); 327long compat_sys_msgrcv(int first, int second, int msgtyp, int third, 328 int version, void __user *uptr); 329long compat_sys_shmat(int first, int second, compat_uptr_t third, int version, 330 void __user *uptr); 331#else 332long compat_sys_semctl(int semid, int semnum, int cmd, int arg); 333long compat_sys_msgsnd(int msqid, struct compat_msgbuf __user *msgp, 334 compat_ssize_t msgsz, int msgflg); 335long compat_sys_msgrcv(int msqid, struct compat_msgbuf __user *msgp, 336 compat_ssize_t msgsz, long msgtyp, int msgflg); 337long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg); 338#endif 339long compat_sys_msgctl(int first, int second, void __user *uptr); 340long compat_sys_shmctl(int first, int second, void __user *uptr); 341long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, 342 unsigned nsems, const struct compat_timespec __user *timeout); 343asmlinkage long compat_sys_keyctl(u32 option, 344 u32 arg2, u32 arg3, u32 arg4, u32 arg5); 345asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); 346 347asmlinkage ssize_t compat_sys_readv(unsigned long fd, 348 const struct compat_iovec __user *vec, unsigned long vlen); 349asmlinkage ssize_t compat_sys_writev(unsigned long fd, 350 const struct compat_iovec __user *vec, unsigned long vlen); 351asmlinkage ssize_t compat_sys_preadv(unsigned long fd, 352 const struct compat_iovec __user *vec, 353 unsigned long vlen, u32 pos_low, u32 pos_high); 354asmlinkage ssize_t compat_sys_pwritev(unsigned long fd, 355 const struct compat_iovec __user *vec, 356 unsigned long vlen, u32 pos_low, u32 pos_high); 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 387static inline int compat_timeval_compare(struct compat_timeval *lhs, 388 struct compat_timeval *rhs) 389{ 390 if (lhs->tv_sec < rhs->tv_sec) 391 return -1; 392 if (lhs->tv_sec > rhs->tv_sec) 393 return 1; 394 return lhs->tv_usec - rhs->tv_usec; 395} 396 397static inline int compat_timespec_compare(struct compat_timespec *lhs, 398 struct compat_timespec *rhs) 399{ 400 if (lhs->tv_sec < rhs->tv_sec) 401 return -1; 402 if (lhs->tv_sec > rhs->tv_sec) 403 return 1; 404 return lhs->tv_nsec - rhs->tv_nsec; 405} 406 407extern int get_compat_itimerspec(struct itimerspec *dst, 408 const struct compat_itimerspec __user *src); 409extern int put_compat_itimerspec(struct compat_itimerspec __user *dst, 410 const struct itimerspec *src); 411 412asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, 413 struct timezone __user *tz); 414asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, 415 struct timezone __user *tz); 416 417asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); 418 419extern int compat_printk(const char *fmt, ...); 420extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat); 421extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set); 422 423asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, 424 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, 425 const compat_ulong_t __user *new_nodes); 426 427extern int compat_ptrace_request(struct task_struct *child, 428 compat_long_t request, 429 compat_ulong_t addr, compat_ulong_t data); 430 431extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, 432 compat_ulong_t addr, compat_ulong_t data); 433asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, 434 compat_long_t addr, compat_long_t data); 435 436/* 437 * epoll (fs/eventpoll.c) compat bits follow ... 438 */ 439struct epoll_event; 440#define compat_epoll_event epoll_event 441asmlinkage long compat_sys_epoll_pwait(int epfd, 442 struct compat_epoll_event __user *events, 443 int maxevents, int timeout, 444 const compat_sigset_t __user *sigmask, 445 compat_size_t sigsetsize); 446 447asmlinkage long compat_sys_utime(const char __user *filename, 448 struct compat_utimbuf __user *t); 449asmlinkage long compat_sys_utimensat(unsigned int dfd, 450 const char __user *filename, 451 struct compat_timespec __user *t, 452 int flags); 453 454asmlinkage long compat_sys_time(compat_time_t __user *tloc); 455asmlinkage long compat_sys_stime(compat_time_t __user *tptr); 456asmlinkage long compat_sys_signalfd(int ufd, 457 const compat_sigset_t __user *sigmask, 458 compat_size_t sigsetsize); 459asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, 460 const struct compat_itimerspec __user *utmr, 461 struct compat_itimerspec __user *otmr); 462asmlinkage long compat_sys_timerfd_gettime(int ufd, 463 struct compat_itimerspec __user *otmr); 464 465asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page, 466 __u32 __user *pages, 467 const int __user *nodes, 468 int __user *status, 469 int flags); 470asmlinkage long compat_sys_futimesat(unsigned int dfd, 471 const char __user *filename, 472 struct compat_timeval __user *t); 473asmlinkage long compat_sys_utimes(const char __user *filename, 474 struct compat_timeval __user *t); 475asmlinkage long compat_sys_newstat(const char __user *filename, 476 struct compat_stat __user *statbuf); 477asmlinkage long compat_sys_newlstat(const char __user *filename, 478 struct compat_stat __user *statbuf); 479asmlinkage long compat_sys_newfstatat(unsigned int dfd, 480 const char __user *filename, 481 struct compat_stat __user *statbuf, 482 int flag); 483asmlinkage long compat_sys_newfstat(unsigned int fd, 484 struct compat_stat __user *statbuf); 485asmlinkage long compat_sys_statfs(const char __user *pathname, 486 struct compat_statfs __user *buf); 487asmlinkage long compat_sys_fstatfs(unsigned int fd, 488 struct compat_statfs __user *buf); 489asmlinkage long compat_sys_statfs64(const char __user *pathname, 490 compat_size_t sz, 491 struct compat_statfs64 __user *buf); 492asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, 493 struct compat_statfs64 __user *buf); 494asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, 495 unsigned long arg); 496asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, 497 unsigned long arg); 498asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); 499asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id, 500 unsigned long min_nr, 501 unsigned long nr, 502 struct io_event __user *events, 503 struct compat_timespec __user *timeout); 504asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr, 505 u32 __user *iocb); 506asmlinkage long compat_sys_mount(const char __user *dev_name, 507 const char __user *dir_name, 508 const char __user *type, unsigned long flags, 509 const void __user *data); 510asmlinkage long compat_sys_old_readdir(unsigned int fd, 511 struct compat_old_linux_dirent __user *, 512 unsigned int count); 513asmlinkage long compat_sys_getdents(unsigned int fd, 514 struct compat_linux_dirent __user *dirent, 515 unsigned int count); 516asmlinkage long compat_sys_getdents64(unsigned int fd, 517 struct linux_dirent64 __user *dirent, 518 unsigned int count); 519asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, 520 unsigned int nr_segs, unsigned int flags); 521asmlinkage long compat_sys_open(const char __user *filename, int flags, 522 umode_t mode); 523asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename, 524 int flags, umode_t mode); 525asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, 526 struct file_handle __user *handle, 527 int flags); 528asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, 529 compat_ulong_t __user *outp, 530 compat_ulong_t __user *exp, 531 struct compat_timespec __user *tsp, 532 void __user *sig); 533asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, 534 unsigned int nfds, 535 struct compat_timespec __user *tsp, 536 const compat_sigset_t __user *sigmask, 537 compat_size_t sigsetsize); 538asmlinkage long compat_sys_signalfd4(int ufd, 539 const compat_sigset_t __user *sigmask, 540 compat_size_t sigsetsize, int flags); 541asmlinkage long compat_sys_get_mempolicy(int __user *policy, 542 compat_ulong_t __user *nmask, 543 compat_ulong_t maxnode, 544 compat_ulong_t addr, 545 compat_ulong_t flags); 546asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, 547 compat_ulong_t maxnode); 548asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, 549 compat_ulong_t mode, 550 compat_ulong_t __user *nmask, 551 compat_ulong_t maxnode, compat_ulong_t flags); 552 553asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, 554 char __user *optval, unsigned int optlen); 555asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, 556 unsigned flags); 557asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, 558 unsigned vlen, unsigned int flags); 559asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, 560 unsigned int flags); 561asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len, 562 unsigned flags); 563asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len, 564 unsigned flags, struct sockaddr __user *addr, 565 int __user *addrlen); 566asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, 567 unsigned vlen, unsigned int flags, 568 struct compat_timespec __user *timeout); 569asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp, 570 struct compat_timespec __user *rmtp); 571asmlinkage long compat_sys_getitimer(int which, 572 struct compat_itimerval __user *it); 573asmlinkage long compat_sys_setitimer(int which, 574 struct compat_itimerval __user *in, 575 struct compat_itimerval __user *out); 576asmlinkage long compat_sys_times(struct compat_tms __user *tbuf); 577asmlinkage long compat_sys_setrlimit(unsigned int resource, 578 struct compat_rlimit __user *rlim); 579asmlinkage long compat_sys_getrlimit(unsigned int resource, 580 struct compat_rlimit __user *rlim); 581asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru); 582asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, 583 unsigned int len, 584 compat_ulong_t __user *user_mask_ptr); 585asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, 586 unsigned int len, 587 compat_ulong_t __user *user_mask_ptr); 588asmlinkage long compat_sys_timer_create(clockid_t which_clock, 589 struct compat_sigevent __user *timer_event_spec, 590 timer_t __user *created_timer_id); 591asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags, 592 struct compat_itimerspec __user *new, 593 struct compat_itimerspec __user *old); 594asmlinkage long compat_sys_timer_gettime(timer_t timer_id, 595 struct compat_itimerspec __user *setting); 596asmlinkage long compat_sys_clock_settime(clockid_t which_clock, 597 struct compat_timespec __user *tp); 598asmlinkage long compat_sys_clock_gettime(clockid_t which_clock, 599 struct compat_timespec __user *tp); 600asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, 601 struct compat_timex __user *tp); 602asmlinkage long compat_sys_clock_getres(clockid_t which_clock, 603 struct compat_timespec __user *tp); 604asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, 605 struct compat_timespec __user *rqtp, 606 struct compat_timespec __user *rmtp); 607asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, 608 struct compat_siginfo __user *uinfo, 609 struct compat_timespec __user *uts, compat_size_t sigsetsize); 610asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, 611 compat_size_t sigsetsize); 612#ifdef CONFIG_GENERIC_COMPAT_RT_SIGPROCMASK 613asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set, 614 compat_sigset_t __user *oset, 615 compat_size_t sigsetsize); 616#endif 617#ifdef CONFIG_GENERIC_COMPAT_RT_SIGPENDING 618asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset, 619 compat_size_t sigsetsize); 620#endif 621#ifndef CONFIG_ODD_RT_SIGACTION 622#ifdef CONFIG_GENERIC_COMPAT_RT_SIGACTION 623asmlinkage long compat_sys_rt_sigaction(int, 624 const struct compat_sigaction __user *, 625 struct compat_sigaction __user *, 626 compat_size_t); 627#endif 628#endif 629#ifdef CONFIG_GENERIC_COMPAT_RT_SIGQUEUEINFO 630asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig, 631 struct compat_siginfo __user *uinfo); 632#endif 633asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); 634asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, 635 unsigned long arg); 636asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, 637 struct compat_timespec __user *utime, u32 __user *uaddr2, 638 u32 val3); 639asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, 640 char __user *optval, int __user *optlen); 641asmlinkage long compat_sys_kexec_load(unsigned long entry, 642 unsigned long nr_segments, 643 struct compat_kexec_segment __user *, 644 unsigned long flags); 645asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, 646 const struct compat_mq_attr __user *u_mqstat, 647 struct compat_mq_attr __user *u_omqstat); 648asmlinkage long compat_sys_mq_notify(mqd_t mqdes, 649 const struct compat_sigevent __user *u_notification); 650asmlinkage long compat_sys_mq_open(const char __user *u_name, 651 int oflag, compat_mode_t mode, 652 struct compat_mq_attr __user *u_attr); 653asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes, 654 const char __user *u_msg_ptr, 655 size_t msg_len, unsigned int msg_prio, 656 const struct compat_timespec __user *u_abs_timeout); 657asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes, 658 char __user *u_msg_ptr, 659 size_t msg_len, unsigned int __user *u_msg_prio, 660 const struct compat_timespec __user *u_abs_timeout); 661asmlinkage long compat_sys_socketcall(int call, u32 __user *args); 662asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args); 663 664extern ssize_t compat_rw_copy_check_uvector(int type, 665 const struct compat_iovec __user *uvector, 666 unsigned long nr_segs, 667 unsigned long fast_segs, struct iovec *fast_pointer, 668 struct iovec **ret_pointer); 669 670extern void __user *compat_alloc_user_space(unsigned long len); 671 672asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid, 673 const struct compat_iovec __user *lvec, 674 unsigned long liovcnt, const struct compat_iovec __user *rvec, 675 unsigned long riovcnt, unsigned long flags); 676asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid, 677 const struct compat_iovec __user *lvec, 678 unsigned long liovcnt, const struct compat_iovec __user *rvec, 679 unsigned long riovcnt, unsigned long flags); 680 681asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, 682 compat_off_t __user *offset, compat_size_t count); 683#ifdef CONFIG_GENERIC_SIGALTSTACK 684asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, 685 compat_stack_t __user *uoss_ptr); 686 687int compat_restore_altstack(const compat_stack_t __user *uss); 688int __compat_save_altstack(compat_stack_t __user *, unsigned long); 689#endif 690 691asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, 692 struct compat_timespec __user *interval); 693 694#else 695 696#define is_compat_task() (0) 697 698#endif /* CONFIG_COMPAT */ 699#endif /* _LINUX_COMPAT_H */ 700