compat.h revision ce3959604878c1c693979ec552069dc8bdb5ccde
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#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \ 44 asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ 45 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ 46 asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__));\ 47 asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))\ 48 { \ 49 return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \ 50 } \ 51 SYSCALL_ALIAS(compat_sys##name, compat_SyS##name); \ 52 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 53 54#ifndef compat_user_stack_pointer 55#define compat_user_stack_pointer() current_user_stack_pointer() 56#endif 57#ifndef compat_sigaltstack /* we'll need that for MIPS */ 58typedef struct compat_sigaltstack { 59 compat_uptr_t ss_sp; 60 int ss_flags; 61 compat_size_t ss_size; 62} compat_stack_t; 63#endif 64 65#define compat_jiffies_to_clock_t(x) \ 66 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ) 67 68typedef __compat_uid32_t compat_uid_t; 69typedef __compat_gid32_t compat_gid_t; 70 71struct compat_sel_arg_struct; 72struct rusage; 73 74struct compat_itimerspec { 75 struct compat_timespec it_interval; 76 struct compat_timespec it_value; 77}; 78 79struct compat_utimbuf { 80 compat_time_t actime; 81 compat_time_t modtime; 82}; 83 84struct compat_itimerval { 85 struct compat_timeval it_interval; 86 struct compat_timeval it_value; 87}; 88 89struct compat_tms { 90 compat_clock_t tms_utime; 91 compat_clock_t tms_stime; 92 compat_clock_t tms_cutime; 93 compat_clock_t tms_cstime; 94}; 95 96struct compat_timex { 97 compat_uint_t modes; 98 compat_long_t offset; 99 compat_long_t freq; 100 compat_long_t maxerror; 101 compat_long_t esterror; 102 compat_int_t status; 103 compat_long_t constant; 104 compat_long_t precision; 105 compat_long_t tolerance; 106 struct compat_timeval time; 107 compat_long_t tick; 108 compat_long_t ppsfreq; 109 compat_long_t jitter; 110 compat_int_t shift; 111 compat_long_t stabil; 112 compat_long_t jitcnt; 113 compat_long_t calcnt; 114 compat_long_t errcnt; 115 compat_long_t stbcnt; 116 compat_int_t tai; 117 118 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 119 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 120 compat_int_t:32; compat_int_t:32; compat_int_t:32; 121}; 122 123#define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW) 124 125typedef struct { 126 compat_sigset_word sig[_COMPAT_NSIG_WORDS]; 127} compat_sigset_t; 128 129struct compat_sigaction { 130#ifndef __ARCH_HAS_IRIX_SIGACTION 131 compat_uptr_t sa_handler; 132 compat_ulong_t sa_flags; 133#else 134 compat_uint_t sa_flags; 135 compat_uptr_t sa_handler; 136#endif 137#ifdef __ARCH_HAS_SA_RESTORER 138 compat_uptr_t sa_restorer; 139#endif 140 compat_sigset_t sa_mask __packed; 141}; 142 143/* 144 * These functions operate strictly on struct compat_time* 145 */ 146extern int get_compat_timespec(struct timespec *, 147 const struct compat_timespec __user *); 148extern int put_compat_timespec(const struct timespec *, 149 struct compat_timespec __user *); 150extern int get_compat_timeval(struct timeval *, 151 const struct compat_timeval __user *); 152extern int put_compat_timeval(const struct timeval *, 153 struct compat_timeval __user *); 154/* 155 * These functions operate on 32- or 64-bit specs depending on 156 * COMPAT_USE_64BIT_TIME, hence the void user pointer arguments and the 157 * naming as compat_get/put_ rather than get/put_compat_. 158 */ 159extern int compat_get_timespec(struct timespec *, const void __user *); 160extern int compat_put_timespec(const struct timespec *, void __user *); 161extern int compat_get_timeval(struct timeval *, const void __user *); 162extern int compat_put_timeval(const struct timeval *, void __user *); 163 164struct compat_iovec { 165 compat_uptr_t iov_base; 166 compat_size_t iov_len; 167}; 168 169struct compat_rlimit { 170 compat_ulong_t rlim_cur; 171 compat_ulong_t rlim_max; 172}; 173 174struct compat_rusage { 175 struct compat_timeval ru_utime; 176 struct compat_timeval ru_stime; 177 compat_long_t ru_maxrss; 178 compat_long_t ru_ixrss; 179 compat_long_t ru_idrss; 180 compat_long_t ru_isrss; 181 compat_long_t ru_minflt; 182 compat_long_t ru_majflt; 183 compat_long_t ru_nswap; 184 compat_long_t ru_inblock; 185 compat_long_t ru_oublock; 186 compat_long_t ru_msgsnd; 187 compat_long_t ru_msgrcv; 188 compat_long_t ru_nsignals; 189 compat_long_t ru_nvcsw; 190 compat_long_t ru_nivcsw; 191}; 192 193extern int put_compat_rusage(const struct rusage *, 194 struct compat_rusage __user *); 195 196struct compat_siginfo; 197 198extern asmlinkage long compat_sys_waitid(int, compat_pid_t, 199 struct compat_siginfo __user *, int, 200 struct compat_rusage __user *); 201 202struct compat_dirent { 203 u32 d_ino; 204 compat_off_t d_off; 205 u16 d_reclen; 206 char d_name[256]; 207}; 208 209struct compat_ustat { 210 compat_daddr_t f_tfree; 211 compat_ino_t f_tinode; 212 char f_fname[6]; 213 char f_fpack[6]; 214}; 215 216#define COMPAT_SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) 217 218typedef struct compat_sigevent { 219 compat_sigval_t sigev_value; 220 compat_int_t sigev_signo; 221 compat_int_t sigev_notify; 222 union { 223 compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE]; 224 compat_int_t _tid; 225 226 struct { 227 compat_uptr_t _function; 228 compat_uptr_t _attribute; 229 } _sigev_thread; 230 } _sigev_un; 231} compat_sigevent_t; 232 233struct compat_ifmap { 234 compat_ulong_t mem_start; 235 compat_ulong_t mem_end; 236 unsigned short base_addr; 237 unsigned char irq; 238 unsigned char dma; 239 unsigned char port; 240}; 241 242struct compat_if_settings { 243 unsigned int type; /* Type of physical device or protocol */ 244 unsigned int size; /* Size of the data allocated by the caller */ 245 compat_uptr_t ifs_ifsu; /* union of pointers */ 246}; 247 248struct compat_ifreq { 249 union { 250 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 251 } ifr_ifrn; 252 union { 253 struct sockaddr ifru_addr; 254 struct sockaddr ifru_dstaddr; 255 struct sockaddr ifru_broadaddr; 256 struct sockaddr ifru_netmask; 257 struct sockaddr ifru_hwaddr; 258 short ifru_flags; 259 compat_int_t ifru_ivalue; 260 compat_int_t ifru_mtu; 261 struct compat_ifmap ifru_map; 262 char ifru_slave[IFNAMSIZ]; /* Just fits the size */ 263 char ifru_newname[IFNAMSIZ]; 264 compat_caddr_t ifru_data; 265 struct compat_if_settings ifru_settings; 266 } ifr_ifru; 267}; 268 269struct compat_ifconf { 270 compat_int_t ifc_len; /* size of buffer */ 271 compat_caddr_t ifcbuf; 272}; 273 274struct compat_robust_list { 275 compat_uptr_t next; 276}; 277 278struct compat_robust_list_head { 279 struct compat_robust_list list; 280 compat_long_t futex_offset; 281 compat_uptr_t list_op_pending; 282}; 283 284#ifdef CONFIG_COMPAT_OLD_SIGACTION 285struct compat_old_sigaction { 286 compat_uptr_t sa_handler; 287 compat_old_sigset_t sa_mask; 288 compat_ulong_t sa_flags; 289 compat_uptr_t sa_restorer; 290}; 291#endif 292 293struct compat_statfs; 294struct compat_statfs64; 295struct compat_old_linux_dirent; 296struct compat_linux_dirent; 297struct linux_dirent64; 298struct compat_msghdr; 299struct compat_mmsghdr; 300struct compat_sysinfo; 301struct compat_sysctl_args; 302struct compat_kexec_segment; 303struct compat_mq_attr; 304struct compat_msgbuf; 305 306extern void compat_exit_robust_list(struct task_struct *curr); 307 308asmlinkage long 309compat_sys_set_robust_list(struct compat_robust_list_head __user *head, 310 compat_size_t len); 311asmlinkage long 312compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, 313 compat_size_t __user *len_ptr); 314 315asmlinkage long compat_sys_ipc(u32, int, int, u32, compat_uptr_t, u32); 316asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg); 317asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg); 318asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp, 319 compat_ssize_t msgsz, int msgflg); 320asmlinkage long compat_sys_msgrcv(int msqid, compat_uptr_t msgp, 321 compat_ssize_t msgsz, long msgtyp, int msgflg); 322long compat_sys_msgctl(int first, int second, void __user *uptr); 323long compat_sys_shmctl(int first, int second, void __user *uptr); 324long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, 325 unsigned nsems, const struct compat_timespec __user *timeout); 326asmlinkage long compat_sys_keyctl(u32 option, 327 u32 arg2, u32 arg3, u32 arg4, u32 arg5); 328asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); 329 330asmlinkage ssize_t compat_sys_readv(unsigned long fd, 331 const struct compat_iovec __user *vec, unsigned long vlen); 332asmlinkage ssize_t compat_sys_writev(unsigned long fd, 333 const struct compat_iovec __user *vec, unsigned long vlen); 334asmlinkage ssize_t compat_sys_preadv(unsigned long fd, 335 const struct compat_iovec __user *vec, 336 unsigned long vlen, u32 pos_low, u32 pos_high); 337asmlinkage ssize_t compat_sys_pwritev(unsigned long fd, 338 const struct compat_iovec __user *vec, 339 unsigned long vlen, u32 pos_low, u32 pos_high); 340asmlinkage long comat_sys_lseek(unsigned int, compat_off_t, unsigned int); 341 342asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv, 343 const compat_uptr_t __user *envp); 344 345asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, 346 compat_ulong_t __user *outp, compat_ulong_t __user *exp, 347 struct compat_timeval __user *tvp); 348 349asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg); 350 351asmlinkage long compat_sys_wait4(compat_pid_t pid, 352 compat_uint_t __user *stat_addr, int options, 353 struct compat_rusage __user *ru); 354 355#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t)) 356 357#define BITS_TO_COMPAT_LONGS(bits) \ 358 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG) 359 360long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, 361 unsigned long bitmap_size); 362long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, 363 unsigned long bitmap_size); 364int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from); 365int copy_siginfo_to_user32(struct compat_siginfo __user *to, const siginfo_t *from); 366int get_compat_sigevent(struct sigevent *event, 367 const struct compat_sigevent __user *u_event); 368long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, 369 struct compat_siginfo __user *uinfo); 370#ifdef CONFIG_COMPAT_OLD_SIGACTION 371asmlinkage long compat_sys_sigaction(int sig, 372 const struct compat_old_sigaction __user *act, 373 struct compat_old_sigaction __user *oact); 374#endif 375 376static inline int compat_timeval_compare(struct compat_timeval *lhs, 377 struct compat_timeval *rhs) 378{ 379 if (lhs->tv_sec < rhs->tv_sec) 380 return -1; 381 if (lhs->tv_sec > rhs->tv_sec) 382 return 1; 383 return lhs->tv_usec - rhs->tv_usec; 384} 385 386static inline int compat_timespec_compare(struct compat_timespec *lhs, 387 struct compat_timespec *rhs) 388{ 389 if (lhs->tv_sec < rhs->tv_sec) 390 return -1; 391 if (lhs->tv_sec > rhs->tv_sec) 392 return 1; 393 return lhs->tv_nsec - rhs->tv_nsec; 394} 395 396extern int get_compat_itimerspec(struct itimerspec *dst, 397 const struct compat_itimerspec __user *src); 398extern int put_compat_itimerspec(struct compat_itimerspec __user *dst, 399 const struct itimerspec *src); 400 401asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, 402 struct timezone __user *tz); 403asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, 404 struct timezone __user *tz); 405 406asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); 407 408extern int compat_printk(const char *fmt, ...); 409extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat); 410extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set); 411 412asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, 413 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, 414 const compat_ulong_t __user *new_nodes); 415 416extern int compat_ptrace_request(struct task_struct *child, 417 compat_long_t request, 418 compat_ulong_t addr, compat_ulong_t data); 419 420extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, 421 compat_ulong_t addr, compat_ulong_t data); 422asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, 423 compat_long_t addr, compat_long_t data); 424 425asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, size_t); 426/* 427 * epoll (fs/eventpoll.c) compat bits follow ... 428 */ 429struct epoll_event; /* fortunately, this one is fixed-layout */ 430asmlinkage long compat_sys_epoll_pwait(int epfd, 431 struct epoll_event __user *events, 432 int maxevents, int timeout, 433 const compat_sigset_t __user *sigmask, 434 compat_size_t sigsetsize); 435 436asmlinkage long compat_sys_utime(const char __user *filename, 437 struct compat_utimbuf __user *t); 438asmlinkage long compat_sys_utimensat(unsigned int dfd, 439 const char __user *filename, 440 struct compat_timespec __user *t, 441 int flags); 442 443asmlinkage long compat_sys_time(compat_time_t __user *tloc); 444asmlinkage long compat_sys_stime(compat_time_t __user *tptr); 445asmlinkage long compat_sys_signalfd(int ufd, 446 const compat_sigset_t __user *sigmask, 447 compat_size_t sigsetsize); 448asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, 449 const struct compat_itimerspec __user *utmr, 450 struct compat_itimerspec __user *otmr); 451asmlinkage long compat_sys_timerfd_gettime(int ufd, 452 struct compat_itimerspec __user *otmr); 453 454asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page, 455 __u32 __user *pages, 456 const int __user *nodes, 457 int __user *status, 458 int flags); 459asmlinkage long compat_sys_futimesat(unsigned int dfd, 460 const char __user *filename, 461 struct compat_timeval __user *t); 462asmlinkage long compat_sys_utimes(const char __user *filename, 463 struct compat_timeval __user *t); 464asmlinkage long compat_sys_newstat(const char __user *filename, 465 struct compat_stat __user *statbuf); 466asmlinkage long compat_sys_newlstat(const char __user *filename, 467 struct compat_stat __user *statbuf); 468asmlinkage long compat_sys_newfstatat(unsigned int dfd, 469 const char __user *filename, 470 struct compat_stat __user *statbuf, 471 int flag); 472asmlinkage long compat_sys_newfstat(unsigned int fd, 473 struct compat_stat __user *statbuf); 474asmlinkage long compat_sys_statfs(const char __user *pathname, 475 struct compat_statfs __user *buf); 476asmlinkage long compat_sys_fstatfs(unsigned int fd, 477 struct compat_statfs __user *buf); 478asmlinkage long compat_sys_statfs64(const char __user *pathname, 479 compat_size_t sz, 480 struct compat_statfs64 __user *buf); 481asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, 482 struct compat_statfs64 __user *buf); 483asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, 484 unsigned long arg); 485asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, 486 unsigned long arg); 487asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); 488asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id, 489 unsigned long min_nr, 490 unsigned long nr, 491 struct io_event __user *events, 492 struct compat_timespec __user *timeout); 493asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr, 494 u32 __user *iocb); 495asmlinkage long compat_sys_mount(const char __user *dev_name, 496 const char __user *dir_name, 497 const char __user *type, unsigned long flags, 498 const void __user *data); 499asmlinkage long compat_sys_old_readdir(unsigned int fd, 500 struct compat_old_linux_dirent __user *, 501 unsigned int count); 502asmlinkage long compat_sys_getdents(unsigned int fd, 503 struct compat_linux_dirent __user *dirent, 504 unsigned int count); 505asmlinkage long compat_sys_getdents64(unsigned int fd, 506 struct linux_dirent64 __user *dirent, 507 unsigned int count); 508asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, 509 unsigned int nr_segs, unsigned int flags); 510asmlinkage long compat_sys_open(const char __user *filename, int flags, 511 umode_t mode); 512asmlinkage long compat_sys_openat(int dfd, const char __user *filename, 513 int flags, umode_t mode); 514asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, 515 struct file_handle __user *handle, 516 int flags); 517asmlinkage long compat_sys_truncate(const char __user *, compat_off_t); 518asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t); 519asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, 520 compat_ulong_t __user *outp, 521 compat_ulong_t __user *exp, 522 struct compat_timespec __user *tsp, 523 void __user *sig); 524asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, 525 unsigned int nfds, 526 struct compat_timespec __user *tsp, 527 const compat_sigset_t __user *sigmask, 528 compat_size_t sigsetsize); 529asmlinkage long compat_sys_signalfd4(int ufd, 530 const compat_sigset_t __user *sigmask, 531 compat_size_t sigsetsize, int flags); 532asmlinkage long compat_sys_get_mempolicy(int __user *policy, 533 compat_ulong_t __user *nmask, 534 compat_ulong_t maxnode, 535 compat_ulong_t addr, 536 compat_ulong_t flags); 537asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, 538 compat_ulong_t maxnode); 539asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, 540 compat_ulong_t mode, 541 compat_ulong_t __user *nmask, 542 compat_ulong_t maxnode, compat_ulong_t flags); 543 544asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, 545 char __user *optval, unsigned int optlen); 546asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, 547 unsigned flags); 548asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, 549 unsigned vlen, unsigned int flags); 550asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, 551 unsigned int flags); 552asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len, 553 unsigned flags); 554asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len, 555 unsigned flags, struct sockaddr __user *addr, 556 int __user *addrlen); 557asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, 558 unsigned vlen, unsigned int flags, 559 struct compat_timespec __user *timeout); 560asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp, 561 struct compat_timespec __user *rmtp); 562asmlinkage long compat_sys_getitimer(int which, 563 struct compat_itimerval __user *it); 564asmlinkage long compat_sys_setitimer(int which, 565 struct compat_itimerval __user *in, 566 struct compat_itimerval __user *out); 567asmlinkage long compat_sys_times(struct compat_tms __user *tbuf); 568asmlinkage long compat_sys_setrlimit(unsigned int resource, 569 struct compat_rlimit __user *rlim); 570asmlinkage long compat_sys_getrlimit(unsigned int resource, 571 struct compat_rlimit __user *rlim); 572asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru); 573asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, 574 unsigned int len, 575 compat_ulong_t __user *user_mask_ptr); 576asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, 577 unsigned int len, 578 compat_ulong_t __user *user_mask_ptr); 579asmlinkage long compat_sys_timer_create(clockid_t which_clock, 580 struct compat_sigevent __user *timer_event_spec, 581 timer_t __user *created_timer_id); 582asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags, 583 struct compat_itimerspec __user *new, 584 struct compat_itimerspec __user *old); 585asmlinkage long compat_sys_timer_gettime(timer_t timer_id, 586 struct compat_itimerspec __user *setting); 587asmlinkage long compat_sys_clock_settime(clockid_t which_clock, 588 struct compat_timespec __user *tp); 589asmlinkage long compat_sys_clock_gettime(clockid_t which_clock, 590 struct compat_timespec __user *tp); 591asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, 592 struct compat_timex __user *tp); 593asmlinkage long compat_sys_clock_getres(clockid_t which_clock, 594 struct compat_timespec __user *tp); 595asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, 596 struct compat_timespec __user *rqtp, 597 struct compat_timespec __user *rmtp); 598asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, 599 struct compat_siginfo __user *uinfo, 600 struct compat_timespec __user *uts, compat_size_t sigsetsize); 601asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, 602 compat_size_t sigsetsize); 603asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set, 604 compat_sigset_t __user *oset, 605 compat_size_t sigsetsize); 606asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset, 607 compat_size_t sigsetsize); 608#ifndef CONFIG_ODD_RT_SIGACTION 609asmlinkage long compat_sys_rt_sigaction(int, 610 const struct compat_sigaction __user *, 611 struct compat_sigaction __user *, 612 compat_size_t); 613#endif 614asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig, 615 struct compat_siginfo __user *uinfo); 616asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); 617asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, 618 unsigned long arg); 619asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, 620 struct compat_timespec __user *utime, u32 __user *uaddr2, 621 u32 val3); 622asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, 623 char __user *optval, int __user *optlen); 624asmlinkage long compat_sys_kexec_load(unsigned long entry, 625 unsigned long nr_segments, 626 struct compat_kexec_segment __user *, 627 unsigned long flags); 628asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, 629 const struct compat_mq_attr __user *u_mqstat, 630 struct compat_mq_attr __user *u_omqstat); 631asmlinkage long compat_sys_mq_notify(mqd_t mqdes, 632 const struct compat_sigevent __user *u_notification); 633asmlinkage long compat_sys_mq_open(const char __user *u_name, 634 int oflag, compat_mode_t mode, 635 struct compat_mq_attr __user *u_attr); 636asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes, 637 const char __user *u_msg_ptr, 638 size_t msg_len, unsigned int msg_prio, 639 const struct compat_timespec __user *u_abs_timeout); 640asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes, 641 char __user *u_msg_ptr, 642 size_t msg_len, unsigned int __user *u_msg_prio, 643 const struct compat_timespec __user *u_abs_timeout); 644asmlinkage long compat_sys_socketcall(int call, u32 __user *args); 645asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args); 646 647extern ssize_t compat_rw_copy_check_uvector(int type, 648 const struct compat_iovec __user *uvector, 649 unsigned long nr_segs, 650 unsigned long fast_segs, struct iovec *fast_pointer, 651 struct iovec **ret_pointer); 652 653extern void __user *compat_alloc_user_space(unsigned long len); 654 655asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid, 656 const struct compat_iovec __user *lvec, 657 unsigned long liovcnt, const struct compat_iovec __user *rvec, 658 unsigned long riovcnt, unsigned long flags); 659asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid, 660 const struct compat_iovec __user *lvec, 661 unsigned long liovcnt, const struct compat_iovec __user *rvec, 662 unsigned long riovcnt, unsigned long flags); 663 664asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, 665 compat_off_t __user *offset, compat_size_t count); 666asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd, 667 compat_loff_t __user *offset, compat_size_t count); 668asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, 669 compat_stack_t __user *uoss_ptr); 670 671int compat_restore_altstack(const compat_stack_t __user *uss); 672int __compat_save_altstack(compat_stack_t __user *, unsigned long); 673#define compat_save_altstack_ex(uss, sp) do { \ 674 compat_stack_t __user *__uss = uss; \ 675 struct task_struct *t = current; \ 676 put_user_ex(ptr_to_compat((void __user *)t->sas_ss_sp), &__uss->ss_sp); \ 677 put_user_ex(sas_ss_flags(sp), &__uss->ss_flags); \ 678 put_user_ex(t->sas_ss_size, &__uss->ss_size); \ 679} while (0); 680 681asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, 682 struct compat_timespec __user *interval); 683 684asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32, 685 int, const char __user *); 686#else 687 688#define is_compat_task() (0) 689 690#endif /* CONFIG_COMPAT */ 691#endif /* _LINUX_COMPAT_H */ 692