compat.h revision 291fdb0bcebd5e8db6af767c1fdc522167dad73d
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_DEFINE0(name) \ 31 asmlinkage long compat_sys_##name(void) 32 33#define COMPAT_SYSCALL_DEFINE1(name, ...) \ 34 COMPAT_SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) 35#define COMPAT_SYSCALL_DEFINE2(name, ...) \ 36 COMPAT_SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) 37#define COMPAT_SYSCALL_DEFINE3(name, ...) \ 38 COMPAT_SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) 39#define COMPAT_SYSCALL_DEFINE4(name, ...) \ 40 COMPAT_SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) 41#define COMPAT_SYSCALL_DEFINE5(name, ...) \ 42 COMPAT_SYSCALL_DEFINEx(5, _##name, __VA_ARGS__) 43#define COMPAT_SYSCALL_DEFINE6(name, ...) \ 44 COMPAT_SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) 45 46#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \ 47 asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))\ 48 __attribute__((alias(__stringify(compat_SyS##name)))); \ 49 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ 50 asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__));\ 51 asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))\ 52 { \ 53 return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \ 54 } \ 55 static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 56 57#ifndef compat_user_stack_pointer 58#define compat_user_stack_pointer() current_user_stack_pointer() 59#endif 60#ifndef compat_sigaltstack /* we'll need that for MIPS */ 61typedef struct compat_sigaltstack { 62 compat_uptr_t ss_sp; 63 int ss_flags; 64 compat_size_t ss_size; 65} compat_stack_t; 66#endif 67 68#define compat_jiffies_to_clock_t(x) \ 69 (((unsigned long)(x) * COMPAT_USER_HZ) / HZ) 70 71typedef __compat_uid32_t compat_uid_t; 72typedef __compat_gid32_t compat_gid_t; 73 74struct compat_sel_arg_struct; 75struct rusage; 76 77struct compat_itimerspec { 78 struct compat_timespec it_interval; 79 struct compat_timespec it_value; 80}; 81 82struct compat_utimbuf { 83 compat_time_t actime; 84 compat_time_t modtime; 85}; 86 87struct compat_itimerval { 88 struct compat_timeval it_interval; 89 struct compat_timeval it_value; 90}; 91 92struct compat_tms { 93 compat_clock_t tms_utime; 94 compat_clock_t tms_stime; 95 compat_clock_t tms_cutime; 96 compat_clock_t tms_cstime; 97}; 98 99struct compat_timex { 100 compat_uint_t modes; 101 compat_long_t offset; 102 compat_long_t freq; 103 compat_long_t maxerror; 104 compat_long_t esterror; 105 compat_int_t status; 106 compat_long_t constant; 107 compat_long_t precision; 108 compat_long_t tolerance; 109 struct compat_timeval time; 110 compat_long_t tick; 111 compat_long_t ppsfreq; 112 compat_long_t jitter; 113 compat_int_t shift; 114 compat_long_t stabil; 115 compat_long_t jitcnt; 116 compat_long_t calcnt; 117 compat_long_t errcnt; 118 compat_long_t stbcnt; 119 compat_int_t tai; 120 121 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 122 compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; 123 compat_int_t:32; compat_int_t:32; compat_int_t:32; 124}; 125 126#define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW) 127 128typedef struct { 129 compat_sigset_word sig[_COMPAT_NSIG_WORDS]; 130} compat_sigset_t; 131 132struct compat_sigaction { 133#ifndef __ARCH_HAS_IRIX_SIGACTION 134 compat_uptr_t sa_handler; 135 compat_ulong_t sa_flags; 136#else 137 compat_uint_t sa_flags; 138 compat_uptr_t sa_handler; 139#endif 140#ifdef __ARCH_HAS_SA_RESTORER 141 compat_uptr_t sa_restorer; 142#endif 143 compat_sigset_t sa_mask __packed; 144}; 145 146/* 147 * These functions operate strictly on struct compat_time* 148 */ 149extern int get_compat_timespec(struct timespec *, 150 const struct compat_timespec __user *); 151extern int put_compat_timespec(const struct timespec *, 152 struct compat_timespec __user *); 153extern int get_compat_timeval(struct timeval *, 154 const struct compat_timeval __user *); 155extern int put_compat_timeval(const struct timeval *, 156 struct compat_timeval __user *); 157/* 158 * These functions operate on 32- or 64-bit specs depending on 159 * COMPAT_USE_64BIT_TIME, hence the void user pointer arguments and the 160 * naming as compat_get/put_ rather than get/put_compat_. 161 */ 162extern int compat_get_timespec(struct timespec *, const void __user *); 163extern int compat_put_timespec(const struct timespec *, void __user *); 164extern int compat_get_timeval(struct timeval *, const void __user *); 165extern int compat_put_timeval(const struct timeval *, 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); 343asmlinkage long compat_sys_lseek(unsigned int, compat_off_t, unsigned int); 344 345asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv, 346 const compat_uptr_t __user *envp); 347 348asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, 349 compat_ulong_t __user *outp, compat_ulong_t __user *exp, 350 struct compat_timeval __user *tvp); 351 352asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg); 353 354asmlinkage long compat_sys_wait4(compat_pid_t pid, 355 compat_uint_t __user *stat_addr, int options, 356 struct compat_rusage __user *ru); 357 358#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t)) 359 360#define BITS_TO_COMPAT_LONGS(bits) \ 361 (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG) 362 363long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, 364 unsigned long bitmap_size); 365long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, 366 unsigned long bitmap_size); 367int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from); 368int copy_siginfo_to_user32(struct compat_siginfo __user *to, const siginfo_t *from); 369int get_compat_sigevent(struct sigevent *event, 370 const struct compat_sigevent __user *u_event); 371long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, 372 struct compat_siginfo __user *uinfo); 373#ifdef CONFIG_COMPAT_OLD_SIGACTION 374asmlinkage long compat_sys_sigaction(int sig, 375 const struct compat_old_sigaction __user *act, 376 struct compat_old_sigaction __user *oact); 377#endif 378 379static inline int compat_timeval_compare(struct compat_timeval *lhs, 380 struct compat_timeval *rhs) 381{ 382 if (lhs->tv_sec < rhs->tv_sec) 383 return -1; 384 if (lhs->tv_sec > rhs->tv_sec) 385 return 1; 386 return lhs->tv_usec - rhs->tv_usec; 387} 388 389static inline int compat_timespec_compare(struct compat_timespec *lhs, 390 struct compat_timespec *rhs) 391{ 392 if (lhs->tv_sec < rhs->tv_sec) 393 return -1; 394 if (lhs->tv_sec > rhs->tv_sec) 395 return 1; 396 return lhs->tv_nsec - rhs->tv_nsec; 397} 398 399extern int get_compat_itimerspec(struct itimerspec *dst, 400 const struct compat_itimerspec __user *src); 401extern int put_compat_itimerspec(struct compat_itimerspec __user *dst, 402 const struct itimerspec *src); 403 404asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, 405 struct timezone __user *tz); 406asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, 407 struct timezone __user *tz); 408 409asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); 410 411extern int compat_printk(const char *fmt, ...); 412extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat); 413extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set); 414 415asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, 416 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, 417 const compat_ulong_t __user *new_nodes); 418 419extern int compat_ptrace_request(struct task_struct *child, 420 compat_long_t request, 421 compat_ulong_t addr, compat_ulong_t data); 422 423extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, 424 compat_ulong_t addr, compat_ulong_t data); 425asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, 426 compat_long_t addr, compat_long_t data); 427 428asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, compat_size_t); 429/* 430 * epoll (fs/eventpoll.c) compat bits follow ... 431 */ 432struct epoll_event; /* fortunately, this one is fixed-layout */ 433asmlinkage long compat_sys_epoll_pwait(int epfd, 434 struct epoll_event __user *events, 435 int maxevents, int timeout, 436 const compat_sigset_t __user *sigmask, 437 compat_size_t sigsetsize); 438 439asmlinkage long compat_sys_utime(const char __user *filename, 440 struct compat_utimbuf __user *t); 441asmlinkage long compat_sys_utimensat(unsigned int dfd, 442 const char __user *filename, 443 struct compat_timespec __user *t, 444 int flags); 445 446asmlinkage long compat_sys_time(compat_time_t __user *tloc); 447asmlinkage long compat_sys_stime(compat_time_t __user *tptr); 448asmlinkage long compat_sys_signalfd(int ufd, 449 const compat_sigset_t __user *sigmask, 450 compat_size_t sigsetsize); 451asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, 452 const struct compat_itimerspec __user *utmr, 453 struct compat_itimerspec __user *otmr); 454asmlinkage long compat_sys_timerfd_gettime(int ufd, 455 struct compat_itimerspec __user *otmr); 456 457asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page, 458 __u32 __user *pages, 459 const int __user *nodes, 460 int __user *status, 461 int flags); 462asmlinkage long compat_sys_futimesat(unsigned int dfd, 463 const char __user *filename, 464 struct compat_timeval __user *t); 465asmlinkage long compat_sys_utimes(const char __user *filename, 466 struct compat_timeval __user *t); 467asmlinkage long compat_sys_newstat(const char __user *filename, 468 struct compat_stat __user *statbuf); 469asmlinkage long compat_sys_newlstat(const char __user *filename, 470 struct compat_stat __user *statbuf); 471asmlinkage long compat_sys_newfstatat(unsigned int dfd, 472 const char __user *filename, 473 struct compat_stat __user *statbuf, 474 int flag); 475asmlinkage long compat_sys_newfstat(unsigned int fd, 476 struct compat_stat __user *statbuf); 477asmlinkage long compat_sys_statfs(const char __user *pathname, 478 struct compat_statfs __user *buf); 479asmlinkage long compat_sys_fstatfs(unsigned int fd, 480 struct compat_statfs __user *buf); 481asmlinkage long compat_sys_statfs64(const char __user *pathname, 482 compat_size_t sz, 483 struct compat_statfs64 __user *buf); 484asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, 485 struct compat_statfs64 __user *buf); 486asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd, 487 unsigned long arg); 488asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd, 489 unsigned long arg); 490asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); 491asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id, 492 unsigned long min_nr, 493 unsigned long nr, 494 struct io_event __user *events, 495 struct compat_timespec __user *timeout); 496asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr, 497 u32 __user *iocb); 498asmlinkage long compat_sys_mount(const char __user *dev_name, 499 const char __user *dir_name, 500 const char __user *type, unsigned long flags, 501 const void __user *data); 502asmlinkage long compat_sys_old_readdir(unsigned int fd, 503 struct compat_old_linux_dirent __user *, 504 unsigned int count); 505asmlinkage long compat_sys_getdents(unsigned int fd, 506 struct compat_linux_dirent __user *dirent, 507 unsigned int count); 508#ifdef __ARCH_WANT_COMPAT_SYS_GETDENTS64 509asmlinkage long compat_sys_getdents64(unsigned int fd, 510 struct linux_dirent64 __user *dirent, 511 unsigned int count); 512#endif 513asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, 514 unsigned int nr_segs, unsigned int flags); 515asmlinkage long compat_sys_open(const char __user *filename, int flags, 516 umode_t mode); 517asmlinkage long compat_sys_openat(int dfd, const char __user *filename, 518 int flags, umode_t mode); 519asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, 520 struct file_handle __user *handle, 521 int flags); 522asmlinkage long compat_sys_truncate(const char __user *, compat_off_t); 523asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t); 524asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, 525 compat_ulong_t __user *outp, 526 compat_ulong_t __user *exp, 527 struct compat_timespec __user *tsp, 528 void __user *sig); 529asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, 530 unsigned int nfds, 531 struct compat_timespec __user *tsp, 532 const compat_sigset_t __user *sigmask, 533 compat_size_t sigsetsize); 534asmlinkage long compat_sys_signalfd4(int ufd, 535 const compat_sigset_t __user *sigmask, 536 compat_size_t sigsetsize, int flags); 537asmlinkage long compat_sys_get_mempolicy(int __user *policy, 538 compat_ulong_t __user *nmask, 539 compat_ulong_t maxnode, 540 compat_ulong_t addr, 541 compat_ulong_t flags); 542asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, 543 compat_ulong_t maxnode); 544asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, 545 compat_ulong_t mode, 546 compat_ulong_t __user *nmask, 547 compat_ulong_t maxnode, compat_ulong_t flags); 548 549asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, 550 char __user *optval, unsigned int optlen); 551asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, 552 unsigned flags); 553asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, 554 unsigned vlen, unsigned int flags); 555asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, 556 unsigned int flags); 557asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len, 558 unsigned flags); 559asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len, 560 unsigned flags, struct sockaddr __user *addr, 561 int __user *addrlen); 562asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, 563 unsigned vlen, unsigned int flags, 564 struct compat_timespec __user *timeout); 565asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp, 566 struct compat_timespec __user *rmtp); 567asmlinkage long compat_sys_getitimer(int which, 568 struct compat_itimerval __user *it); 569asmlinkage long compat_sys_setitimer(int which, 570 struct compat_itimerval __user *in, 571 struct compat_itimerval __user *out); 572asmlinkage long compat_sys_times(struct compat_tms __user *tbuf); 573asmlinkage long compat_sys_setrlimit(unsigned int resource, 574 struct compat_rlimit __user *rlim); 575asmlinkage long compat_sys_getrlimit(unsigned int resource, 576 struct compat_rlimit __user *rlim); 577asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru); 578asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, 579 unsigned int len, 580 compat_ulong_t __user *user_mask_ptr); 581asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, 582 unsigned int len, 583 compat_ulong_t __user *user_mask_ptr); 584asmlinkage long compat_sys_timer_create(clockid_t which_clock, 585 struct compat_sigevent __user *timer_event_spec, 586 timer_t __user *created_timer_id); 587asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags, 588 struct compat_itimerspec __user *new, 589 struct compat_itimerspec __user *old); 590asmlinkage long compat_sys_timer_gettime(timer_t timer_id, 591 struct compat_itimerspec __user *setting); 592asmlinkage long compat_sys_clock_settime(clockid_t which_clock, 593 struct compat_timespec __user *tp); 594asmlinkage long compat_sys_clock_gettime(clockid_t which_clock, 595 struct compat_timespec __user *tp); 596asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, 597 struct compat_timex __user *tp); 598asmlinkage long compat_sys_clock_getres(clockid_t which_clock, 599 struct compat_timespec __user *tp); 600asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, 601 struct compat_timespec __user *rqtp, 602 struct compat_timespec __user *rmtp); 603asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, 604 struct compat_siginfo __user *uinfo, 605 struct compat_timespec __user *uts, compat_size_t sigsetsize); 606asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, 607 compat_size_t sigsetsize); 608asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set, 609 compat_sigset_t __user *oset, 610 compat_size_t sigsetsize); 611asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset, 612 compat_size_t sigsetsize); 613#ifndef CONFIG_ODD_RT_SIGACTION 614asmlinkage long compat_sys_rt_sigaction(int, 615 const struct compat_sigaction __user *, 616 struct compat_sigaction __user *, 617 compat_size_t); 618#endif 619asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig, 620 struct compat_siginfo __user *uinfo); 621asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); 622asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, 623 unsigned long arg); 624asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, 625 struct compat_timespec __user *utime, u32 __user *uaddr2, 626 u32 val3); 627asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, 628 char __user *optval, int __user *optlen); 629asmlinkage long compat_sys_kexec_load(unsigned long entry, 630 unsigned long nr_segments, 631 struct compat_kexec_segment __user *, 632 unsigned long flags); 633asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, 634 const struct compat_mq_attr __user *u_mqstat, 635 struct compat_mq_attr __user *u_omqstat); 636asmlinkage long compat_sys_mq_notify(mqd_t mqdes, 637 const struct compat_sigevent __user *u_notification); 638asmlinkage long compat_sys_mq_open(const char __user *u_name, 639 int oflag, compat_mode_t mode, 640 struct compat_mq_attr __user *u_attr); 641asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes, 642 const char __user *u_msg_ptr, 643 size_t msg_len, unsigned int msg_prio, 644 const struct compat_timespec __user *u_abs_timeout); 645asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes, 646 char __user *u_msg_ptr, 647 size_t msg_len, unsigned int __user *u_msg_prio, 648 const struct compat_timespec __user *u_abs_timeout); 649asmlinkage long compat_sys_socketcall(int call, u32 __user *args); 650asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args); 651 652extern ssize_t compat_rw_copy_check_uvector(int type, 653 const struct compat_iovec __user *uvector, 654 unsigned long nr_segs, 655 unsigned long fast_segs, struct iovec *fast_pointer, 656 struct iovec **ret_pointer); 657 658extern void __user *compat_alloc_user_space(unsigned long len); 659 660asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid, 661 const struct compat_iovec __user *lvec, 662 unsigned long liovcnt, const struct compat_iovec __user *rvec, 663 unsigned long riovcnt, unsigned long flags); 664asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid, 665 const struct compat_iovec __user *lvec, 666 unsigned long liovcnt, const struct compat_iovec __user *rvec, 667 unsigned long riovcnt, unsigned long flags); 668 669asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, 670 compat_off_t __user *offset, compat_size_t count); 671asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd, 672 compat_loff_t __user *offset, compat_size_t count); 673asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, 674 compat_stack_t __user *uoss_ptr); 675 676int compat_restore_altstack(const compat_stack_t __user *uss); 677int __compat_save_altstack(compat_stack_t __user *, unsigned long); 678#define compat_save_altstack_ex(uss, sp) do { \ 679 compat_stack_t __user *__uss = uss; \ 680 struct task_struct *t = current; \ 681 put_user_ex(ptr_to_compat((void __user *)t->sas_ss_sp), &__uss->ss_sp); \ 682 put_user_ex(sas_ss_flags(sp), &__uss->ss_flags); \ 683 put_user_ex(t->sas_ss_size, &__uss->ss_size); \ 684} while (0); 685 686asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, 687 struct compat_timespec __user *interval); 688 689asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32, 690 int, const char __user *); 691#else 692 693#define is_compat_task() (0) 694 695#endif /* CONFIG_COMPAT */ 696#endif /* _LINUX_COMPAT_H */ 697