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