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#include <linux/unistd.h> 18 19#include <asm/compat.h> 20#include <asm/siginfo.h> 21#include <asm/signal.h> 22 23#ifndef COMPAT_USE_64BIT_TIME 24#define COMPAT_USE_64BIT_TIME 0 25#endif 26 27#ifndef __SC_DELOUSE 28#define __SC_DELOUSE(t,v) ((t)(unsigned long)(v)) 29#endif 30 31#define COMPAT_SYSCALL_DEFINE0(name) \ 32 asmlinkage long compat_sys_##name(void) 33 34#define COMPAT_SYSCALL_DEFINE1(name, ...) \ 35 COMPAT_SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) 36#define COMPAT_SYSCALL_DEFINE2(name, ...) \ 37 COMPAT_SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) 38#define COMPAT_SYSCALL_DEFINE3(name, ...) \ 39 COMPAT_SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) 40#define COMPAT_SYSCALL_DEFINE4(name, ...) \ 41 COMPAT_SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) 42#define COMPAT_SYSCALL_DEFINE5(name, ...) \ 43 COMPAT_SYSCALL_DEFINEx(5, _##name, __VA_ARGS__) 44#define COMPAT_SYSCALL_DEFINE6(name, ...) \ 45 COMPAT_SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) 46 47#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \ 48 asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))\ 49 __attribute__((alias(__stringify(compat_SyS##name)))); \ 50 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ 51 asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__));\ 52 asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))\ 53 { \ 54 return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \ 55 } \ 56 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 57 58#ifndef compat_user_stack_pointer 59#define compat_user_stack_pointer() current_user_stack_pointer() 60#endif 61#ifndef compat_sigaltstack /* we'll need that for MIPS */ 62typedef struct compat_sigaltstack { 63 compat_uptr_t ss_sp; 64 int ss_flags; 65 compat_size_t ss_size; 66} compat_stack_t; 67#endif 68 69#define compat_jiffies_to_clock_t(x) \ 70 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ) 71 72typedef __compat_uid32_t compat_uid_t; 73typedef __compat_gid32_t compat_gid_t; 74 75typedef compat_ulong_t compat_aio_context_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 135struct compat_sigaction { 136#ifndef __ARCH_HAS_IRIX_SIGACTION 137 compat_uptr_t sa_handler; 138 compat_ulong_t sa_flags; 139#else 140 compat_uint_t sa_flags; 141 compat_uptr_t sa_handler; 142#endif 143#ifdef __ARCH_HAS_SA_RESTORER 144 compat_uptr_t sa_restorer; 145#endif 146 compat_sigset_t sa_mask __packed; 147}; 148 149/* 150 * These functions operate on 32- or 64-bit specs depending on 151 * COMPAT_USE_64BIT_TIME, hence the void user pointer arguments. 152 */ 153extern int compat_get_timespec(struct timespec *, const void __user *); 154extern int compat_put_timespec(const struct timespec *, void __user *); 155extern int compat_get_timeval(struct timeval *, const void __user *); 156extern int compat_put_timeval(const struct timeval *, void __user *); 157 158/* 159 * This function convert a timespec if necessary and returns a *user 160 * space* pointer. If no conversion is necessary, it returns the 161 * initial pointer. NULL is a legitimate argument and will always 162 * output NULL. 163 */ 164extern int compat_convert_timespec(struct timespec __user **, 165 const void __user *); 166 167struct compat_iovec { 168 compat_uptr_t iov_base; 169 compat_size_t iov_len; 170}; 171 172struct compat_rlimit { 173 compat_ulong_t rlim_cur; 174 compat_ulong_t rlim_max; 175}; 176 177struct compat_rusage { 178 struct compat_timeval ru_utime; 179 struct compat_timeval ru_stime; 180 compat_long_t ru_maxrss; 181 compat_long_t ru_ixrss; 182 compat_long_t ru_idrss; 183 compat_long_t ru_isrss; 184 compat_long_t ru_minflt; 185 compat_long_t ru_majflt; 186 compat_long_t ru_nswap; 187 compat_long_t ru_inblock; 188 compat_long_t ru_oublock; 189 compat_long_t ru_msgsnd; 190 compat_long_t ru_msgrcv; 191 compat_long_t ru_nsignals; 192 compat_long_t ru_nvcsw; 193 compat_long_t ru_nivcsw; 194}; 195 196extern int put_compat_rusage(const struct rusage *, 197 struct compat_rusage __user *); 198 199struct compat_siginfo; 200 201extern asmlinkage long compat_sys_waitid(int, compat_pid_t, 202 struct compat_siginfo __user *, int, 203 struct compat_rusage __user *); 204 205struct compat_dirent { 206 u32 d_ino; 207 compat_off_t d_off; 208 u16 d_reclen; 209 char d_name[256]; 210}; 211 212struct compat_ustat { 213 compat_daddr_t f_tfree; 214 compat_ino_t f_tinode; 215 char f_fname[6]; 216 char f_fpack[6]; 217}; 218 219#define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) 220 221typedef struct compat_sigevent { 222 compat_sigval_t sigev_value; 223 compat_int_t sigev_signo; 224 compat_int_t sigev_notify; 225 union { 226 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE]; 227 compat_int_t _tid; 228 229 struct { 230 compat_uptr_t _function; 231 compat_uptr_t _attribute; 232 } _sigev_thread; 233 } _sigev_un; 234} compat_sigevent_t; 235 236struct compat_ifmap { 237 compat_ulong_t mem_start; 238 compat_ulong_t mem_end; 239 unsigned short base_addr; 240 unsigned char irq; 241 unsigned char dma; 242 unsigned char port; 243}; 244 245struct compat_if_settings { 246 unsigned int type; /* Type of physical device or protocol */ 247 unsigned int size; /* Size of the data allocated by the caller */ 248 compat_uptr_t ifs_ifsu; /* union of pointers */ 249}; 250 251struct compat_ifreq { 252 union { 253 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 254 } ifr_ifrn; 255 union { 256 struct sockaddr ifru_addr; 257 struct sockaddr ifru_dstaddr; 258 struct sockaddr ifru_broadaddr; 259 struct sockaddr ifru_netmask; 260 struct sockaddr ifru_hwaddr; 261 short ifru_flags; 262 compat_int_t ifru_ivalue; 263 compat_int_t ifru_mtu; 264 struct compat_ifmap ifru_map; 265 char ifru_slave[IFNAMSIZ]; /* Just fits the size */ 266 char ifru_newname[IFNAMSIZ]; 267 compat_caddr_t ifru_data; 268 struct compat_if_settings ifru_settings; 269 } ifr_ifru; 270}; 271 272struct compat_ifconf { 273 compat_int_t ifc_len; /* size of buffer */ 274 compat_caddr_t ifcbuf; 275}; 276 277struct compat_robust_list { 278 compat_uptr_t next; 279}; 280 281struct compat_robust_list_head { 282 struct compat_robust_list list; 283 compat_long_t futex_offset; 284 compat_uptr_t list_op_pending; 285}; 286 287#ifdef CONFIG_COMPAT_OLD_SIGACTION 288struct compat_old_sigaction { 289 compat_uptr_t sa_handler; 290 compat_old_sigset_t sa_mask; 291 compat_ulong_t sa_flags; 292 compat_uptr_t sa_restorer; 293}; 294#endif 295 296struct compat_statfs; 297struct compat_statfs64; 298struct compat_old_linux_dirent; 299struct compat_linux_dirent; 300struct linux_dirent64; 301struct compat_msghdr; 302struct compat_mmsghdr; 303struct compat_sysinfo; 304struct compat_sysctl_args; 305struct compat_kexec_segment; 306struct compat_mq_attr; 307struct compat_msgbuf; 308 309extern void compat_exit_robust_list(struct task_struct *curr); 310 311asmlinkage long 312compat_sys_set_robust_list(struct compat_robust_list_head __user *head, 313 compat_size_t len); 314asmlinkage long 315compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, 316 compat_size_t __user *len_ptr); 317 318asmlinkage long compat_sys_ipc(u32, int, int, u32, compat_uptr_t, u32); 319asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg); 320asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg); 321asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp, 322 compat_ssize_t msgsz, int msgflg); 323asmlinkage long compat_sys_msgrcv(int msqid, compat_uptr_t msgp, 324 compat_ssize_t msgsz, compat_long_t msgtyp, int msgflg); 325long compat_sys_msgctl(int first, int second, void __user *uptr); 326long compat_sys_shmctl(int first, int second, void __user *uptr); 327long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, 328 unsigned nsems, const struct compat_timespec __user *timeout); 329asmlinkage long compat_sys_keyctl(u32 option, 330 u32 arg2, u32 arg3, u32 arg4, u32 arg5); 331asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); 332 333asmlinkage ssize_t compat_sys_readv(compat_ulong_t fd, 334 const struct compat_iovec __user *vec, compat_ulong_t vlen); 335asmlinkage ssize_t compat_sys_writev(compat_ulong_t fd, 336 const struct compat_iovec __user *vec, compat_ulong_t vlen); 337asmlinkage ssize_t compat_sys_preadv(compat_ulong_t fd, 338 const struct compat_iovec __user *vec, 339 compat_ulong_t vlen, u32 pos_low, u32 pos_high); 340asmlinkage ssize_t compat_sys_pwritev(compat_ulong_t fd, 341 const struct compat_iovec __user *vec, 342 compat_ulong_t vlen, u32 pos_low, u32 pos_high); 343 344#ifdef __ARCH_WANT_COMPAT_SYS_PREADV64 345asmlinkage long compat_sys_preadv64(unsigned long fd, 346 const struct compat_iovec __user *vec, 347 unsigned long vlen, loff_t pos); 348#endif 349 350#ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64 351asmlinkage long compat_sys_pwritev64(unsigned long fd, 352 const struct compat_iovec __user *vec, 353 unsigned long vlen, loff_t pos); 354#endif 355 356asmlinkage long compat_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); 360asmlinkage long compat_sys_execveat(int dfd, const char __user *filename, 361 const compat_uptr_t __user *argv, 362 const compat_uptr_t __user *envp, int flags); 363 364asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, 365 compat_ulong_t __user *outp, compat_ulong_t __user *exp, 366 struct compat_timeval __user *tvp); 367 368asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg); 369 370asmlinkage long compat_sys_wait4(compat_pid_t pid, 371 compat_uint_t __user *stat_addr, int options, 372 struct compat_rusage __user *ru); 373 374#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t)) 375 376#define BITS_TO_COMPAT_LONGS(bits) \ 377 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG) 378 379long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, 380 unsigned long bitmap_size); 381long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, 382 unsigned long bitmap_size); 383int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from); 384int copy_siginfo_to_user32(struct compat_siginfo __user *to, const siginfo_t *from); 385int get_compat_sigevent(struct sigevent *event, 386 const struct compat_sigevent __user *u_event); 387long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, 388 struct compat_siginfo __user *uinfo); 389#ifdef CONFIG_COMPAT_OLD_SIGACTION 390asmlinkage long compat_sys_sigaction(int sig, 391 const struct compat_old_sigaction __user *act, 392 struct compat_old_sigaction __user *oact); 393#endif 394 395static inline int compat_timeval_compare(struct compat_timeval *lhs, 396 struct compat_timeval *rhs) 397{ 398 if (lhs->tv_sec < rhs->tv_sec) 399 return -1; 400 if (lhs->tv_sec > rhs->tv_sec) 401 return 1; 402 return lhs->tv_usec - rhs->tv_usec; 403} 404 405static inline int compat_timespec_compare(struct compat_timespec *lhs, 406 struct compat_timespec *rhs) 407{ 408 if (lhs->tv_sec < rhs->tv_sec) 409 return -1; 410 if (lhs->tv_sec > rhs->tv_sec) 411 return 1; 412 return lhs->tv_nsec - rhs->tv_nsec; 413} 414 415extern int get_compat_itimerspec(struct itimerspec *dst, 416 const struct compat_itimerspec __user *src); 417extern int put_compat_itimerspec(struct compat_itimerspec __user *dst, 418 const struct itimerspec *src); 419 420asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, 421 struct timezone __user *tz); 422asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, 423 struct timezone __user *tz); 424 425asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); 426 427extern int compat_printk(const char *fmt, ...); 428extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat); 429extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set); 430 431asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, 432 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, 433 const compat_ulong_t __user *new_nodes); 434 435extern int compat_ptrace_request(struct task_struct *child, 436 compat_long_t request, 437 compat_ulong_t addr, compat_ulong_t data); 438 439extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, 440 compat_ulong_t addr, compat_ulong_t data); 441asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, 442 compat_long_t addr, compat_long_t data); 443 444asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, compat_size_t); 445/* 446 * epoll (fs/eventpoll.c) compat bits follow ... 447 */ 448struct epoll_event; /* fortunately, this one is fixed-layout */ 449asmlinkage long compat_sys_epoll_pwait(int epfd, 450 struct epoll_event __user *events, 451 int maxevents, int timeout, 452 const compat_sigset_t __user *sigmask, 453 compat_size_t sigsetsize); 454 455asmlinkage long compat_sys_utime(const char __user *filename, 456 struct compat_utimbuf __user *t); 457asmlinkage long compat_sys_utimensat(unsigned int dfd, 458 const char __user *filename, 459 struct compat_timespec __user *t, 460 int flags); 461 462asmlinkage long compat_sys_time(compat_time_t __user *tloc); 463asmlinkage long compat_sys_stime(compat_time_t __user *tptr); 464asmlinkage long compat_sys_signalfd(int ufd, 465 const compat_sigset_t __user *sigmask, 466 compat_size_t sigsetsize); 467asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, 468 const struct compat_itimerspec __user *utmr, 469 struct compat_itimerspec __user *otmr); 470asmlinkage long compat_sys_timerfd_gettime(int ufd, 471 struct compat_itimerspec __user *otmr); 472 473asmlinkage long compat_sys_move_pages(pid_t pid, compat_ulong_t nr_pages, 474 __u32 __user *pages, 475 const int __user *nodes, 476 int __user *status, 477 int flags); 478asmlinkage long compat_sys_futimesat(unsigned int dfd, 479 const char __user *filename, 480 struct compat_timeval __user *t); 481asmlinkage long compat_sys_utimes(const char __user *filename, 482 struct compat_timeval __user *t); 483asmlinkage long compat_sys_newstat(const char __user *filename, 484 struct compat_stat __user *statbuf); 485asmlinkage long compat_sys_newlstat(const char __user *filename, 486 struct compat_stat __user *statbuf); 487asmlinkage long compat_sys_newfstatat(unsigned int dfd, 488 const char __user *filename, 489 struct compat_stat __user *statbuf, 490 int flag); 491asmlinkage long compat_sys_newfstat(unsigned int fd, 492 struct compat_stat __user *statbuf); 493asmlinkage long compat_sys_statfs(const char __user *pathname, 494 struct compat_statfs __user *buf); 495asmlinkage long compat_sys_fstatfs(unsigned int fd, 496 struct compat_statfs __user *buf); 497asmlinkage long compat_sys_statfs64(const char __user *pathname, 498 compat_size_t sz, 499 struct compat_statfs64 __user *buf); 500asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, 501 struct compat_statfs64 __user *buf); 502asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, 503 compat_ulong_t arg); 504asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, 505 compat_ulong_t arg); 506asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); 507asmlinkage long compat_sys_io_getevents(compat_aio_context_t ctx_id, 508 compat_long_t min_nr, 509 compat_long_t nr, 510 struct io_event __user *events, 511 struct compat_timespec __user *timeout); 512asmlinkage long compat_sys_io_submit(compat_aio_context_t ctx_id, int nr, 513 u32 __user *iocb); 514asmlinkage long compat_sys_mount(const char __user *dev_name, 515 const char __user *dir_name, 516 const char __user *type, compat_ulong_t flags, 517 const void __user *data); 518asmlinkage long compat_sys_old_readdir(unsigned int fd, 519 struct compat_old_linux_dirent __user *, 520 unsigned int count); 521asmlinkage long compat_sys_getdents(unsigned int fd, 522 struct compat_linux_dirent __user *dirent, 523 unsigned int count); 524#ifdef __ARCH_WANT_COMPAT_SYS_GETDENTS64 525asmlinkage long compat_sys_getdents64(unsigned int fd, 526 struct linux_dirent64 __user *dirent, 527 unsigned int count); 528#endif 529asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, 530 unsigned int nr_segs, unsigned int flags); 531asmlinkage long compat_sys_open(const char __user *filename, int flags, 532 umode_t mode); 533asmlinkage long compat_sys_openat(int dfd, const char __user *filename, 534 int flags, umode_t mode); 535asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, 536 struct file_handle __user *handle, 537 int flags); 538asmlinkage long compat_sys_truncate(const char __user *, compat_off_t); 539asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t); 540asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, 541 compat_ulong_t __user *outp, 542 compat_ulong_t __user *exp, 543 struct compat_timespec __user *tsp, 544 void __user *sig); 545asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, 546 unsigned int nfds, 547 struct compat_timespec __user *tsp, 548 const compat_sigset_t __user *sigmask, 549 compat_size_t sigsetsize); 550asmlinkage long compat_sys_signalfd4(int ufd, 551 const compat_sigset_t __user *sigmask, 552 compat_size_t sigsetsize, int flags); 553asmlinkage long compat_sys_get_mempolicy(int __user *policy, 554 compat_ulong_t __user *nmask, 555 compat_ulong_t maxnode, 556 compat_ulong_t addr, 557 compat_ulong_t flags); 558asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, 559 compat_ulong_t maxnode); 560asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, 561 compat_ulong_t mode, 562 compat_ulong_t __user *nmask, 563 compat_ulong_t maxnode, compat_ulong_t flags); 564 565asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, 566 char __user *optval, unsigned int optlen); 567asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, 568 unsigned flags); 569asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, 570 unsigned vlen, unsigned int flags); 571asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, 572 unsigned int flags); 573asmlinkage long compat_sys_recv(int fd, void __user *buf, compat_size_t len, 574 unsigned flags); 575asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, compat_size_t len, 576 unsigned flags, struct sockaddr __user *addr, 577 int __user *addrlen); 578asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, 579 unsigned vlen, unsigned int flags, 580 struct compat_timespec __user *timeout); 581asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp, 582 struct compat_timespec __user *rmtp); 583asmlinkage long compat_sys_getitimer(int which, 584 struct compat_itimerval __user *it); 585asmlinkage long compat_sys_setitimer(int which, 586 struct compat_itimerval __user *in, 587 struct compat_itimerval __user *out); 588asmlinkage long compat_sys_times(struct compat_tms __user *tbuf); 589asmlinkage long compat_sys_setrlimit(unsigned int resource, 590 struct compat_rlimit __user *rlim); 591asmlinkage long compat_sys_getrlimit(unsigned int resource, 592 struct compat_rlimit __user *rlim); 593asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru); 594asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, 595 unsigned int len, 596 compat_ulong_t __user *user_mask_ptr); 597asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, 598 unsigned int len, 599 compat_ulong_t __user *user_mask_ptr); 600asmlinkage long compat_sys_timer_create(clockid_t which_clock, 601 struct compat_sigevent __user *timer_event_spec, 602 timer_t __user *created_timer_id); 603asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags, 604 struct compat_itimerspec __user *new, 605 struct compat_itimerspec __user *old); 606asmlinkage long compat_sys_timer_gettime(timer_t timer_id, 607 struct compat_itimerspec __user *setting); 608asmlinkage long compat_sys_clock_settime(clockid_t which_clock, 609 struct compat_timespec __user *tp); 610asmlinkage long compat_sys_clock_gettime(clockid_t which_clock, 611 struct compat_timespec __user *tp); 612asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, 613 struct compat_timex __user *tp); 614asmlinkage long compat_sys_clock_getres(clockid_t which_clock, 615 struct compat_timespec __user *tp); 616asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, 617 struct compat_timespec __user *rqtp, 618 struct compat_timespec __user *rmtp); 619asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, 620 struct compat_siginfo __user *uinfo, 621 struct compat_timespec __user *uts, compat_size_t sigsetsize); 622asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, 623 compat_size_t sigsetsize); 624asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set, 625 compat_sigset_t __user *oset, 626 compat_size_t sigsetsize); 627asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset, 628 compat_size_t sigsetsize); 629#ifndef CONFIG_ODD_RT_SIGACTION 630asmlinkage long compat_sys_rt_sigaction(int, 631 const struct compat_sigaction __user *, 632 struct compat_sigaction __user *, 633 compat_size_t); 634#endif 635asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig, 636 struct compat_siginfo __user *uinfo); 637asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); 638asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, 639 compat_ulong_t arg); 640asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, 641 struct compat_timespec __user *utime, u32 __user *uaddr2, 642 u32 val3); 643asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, 644 char __user *optval, int __user *optlen); 645asmlinkage long compat_sys_kexec_load(compat_ulong_t entry, 646 compat_ulong_t nr_segments, 647 struct compat_kexec_segment __user *, 648 compat_ulong_t flags); 649asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, 650 const struct compat_mq_attr __user *u_mqstat, 651 struct compat_mq_attr __user *u_omqstat); 652asmlinkage long compat_sys_mq_notify(mqd_t mqdes, 653 const struct compat_sigevent __user *u_notification); 654asmlinkage long compat_sys_mq_open(const char __user *u_name, 655 int oflag, compat_mode_t mode, 656 struct compat_mq_attr __user *u_attr); 657asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes, 658 const char __user *u_msg_ptr, 659 compat_size_t msg_len, unsigned int msg_prio, 660 const struct compat_timespec __user *u_abs_timeout); 661asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes, 662 char __user *u_msg_ptr, 663 compat_size_t msg_len, unsigned int __user *u_msg_prio, 664 const struct compat_timespec __user *u_abs_timeout); 665asmlinkage long compat_sys_socketcall(int call, u32 __user *args); 666asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args); 667 668extern ssize_t compat_rw_copy_check_uvector(int type, 669 const struct compat_iovec __user *uvector, 670 unsigned long nr_segs, 671 unsigned long fast_segs, struct iovec *fast_pointer, 672 struct iovec **ret_pointer); 673 674extern void __user *compat_alloc_user_space(unsigned long len); 675 676asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid, 677 const struct compat_iovec __user *lvec, 678 compat_ulong_t liovcnt, const struct compat_iovec __user *rvec, 679 compat_ulong_t riovcnt, compat_ulong_t flags); 680asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid, 681 const struct compat_iovec __user *lvec, 682 compat_ulong_t liovcnt, const struct compat_iovec __user *rvec, 683 compat_ulong_t riovcnt, compat_ulong_t flags); 684 685asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, 686 compat_off_t __user *offset, compat_size_t count); 687asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd, 688 compat_loff_t __user *offset, compat_size_t count); 689asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, 690 compat_stack_t __user *uoss_ptr); 691 692#ifdef __ARCH_WANT_SYS_SIGPENDING 693asmlinkage long compat_sys_sigpending(compat_old_sigset_t __user *set); 694#endif 695 696#ifdef __ARCH_WANT_SYS_SIGPROCMASK 697asmlinkage long compat_sys_sigprocmask(int how, compat_old_sigset_t __user *nset, 698 compat_old_sigset_t __user *oset); 699#endif 700 701int compat_restore_altstack(const compat_stack_t __user *uss); 702int __compat_save_altstack(compat_stack_t __user *, unsigned long); 703#define compat_save_altstack_ex(uss, sp) do { \ 704 compat_stack_t __user *__uss = uss; \ 705 struct task_struct *t = current; \ 706 put_user_ex(ptr_to_compat((void __user *)t->sas_ss_sp), &__uss->ss_sp); \ 707 put_user_ex(sas_ss_flags(sp), &__uss->ss_flags); \ 708 put_user_ex(t->sas_ss_size, &__uss->ss_size); \ 709} while (0); 710 711asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, 712 struct compat_timespec __user *interval); 713 714asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32, 715 int, const char __user *); 716#else 717 718#define is_compat_task() (0) 719 720#endif /* CONFIG_COMPAT */ 721#endif /* _LINUX_COMPAT_H */ 722