include/linux/syscalls.h

   1 /*
   2  * syscalls.h - Linux syscall interfaces (non-arch-specific)
   3  *
   4  * Copyright (c) 2004 Randy Dunlap
   5  * Copyright (c) 2004 Open Source Development Labs
   6  *
   7  * This file is released under the GPLv2.
   8  * See the file COPYING for more details.
   9  */
  10
  11 #ifndef _LINUX_SYSCALLS_H
  12 #define _LINUX_SYSCALLS_H
  13
  14 struct epoll_event;
  15 struct iattr;
  16 struct inode;
  17 struct iocb;
  18 struct io_event;
  19 struct iovec;
  20 struct itimerspec;
  21 struct itimerval;
  22 struct kexec_segment;
  23 struct linux_dirent;
  24 struct linux_dirent64;
  25 struct list_head;
  26 struct mmap_arg_struct;
  27 struct msgbuf;
  28 struct user_msghdr;
  29 struct mmsghdr;
  30 struct msqid_ds;
  31 struct new_utsname;
  32 struct nfsctl_arg;
  33 struct __old_kernel_stat;
  34 struct oldold_utsname;
  35 struct old_utsname;
  36 struct pollfd;
  37 struct rlimit;
  38 struct rlimit64;
  39 struct rusage;
  40 struct sched_param;
  41 struct sched_attr;
  42 struct sel_arg_struct;
  43 struct semaphore;
  44 struct sembuf;
  45 struct shmid_ds;
  46 struct sockaddr;
  47 struct stat;
  48 struct stat64;
  49 struct statfs;
  50 struct statfs64;
  51 struct statx;
  52 struct __sysctl_args;
  53 struct sysinfo;
  54 struct timespec;
  55 struct timeval;
  56 struct timex;
  57 struct timezone;
  58 struct tms;
  59 struct utimbuf;
  60 struct mq_attr;
  61 struct compat_stat;
  62 struct compat_timeval;
  63 struct robust_list_head;
  64 struct getcpu_cache;
  65 struct old_linux_dirent;
  66 struct perf_event_attr;
  67 struct file_handle;
  68 struct sigaltstack;
  69 union bpf_attr;
  70
  71 #include <linux/types.h>
  72 #include <linux/aio_abi.h>
  73 #include <linux/capability.h>
  74 #include <linux/signal.h>
  75 #include <linux/list.h>
  76 #include <linux/bug.h>
  77 #include <linux/sem.h>
  78 #include <asm/siginfo.h>
  79 #include <linux/unistd.h>
  80 #include <linux/quota.h>
  81 #include <linux/key.h>
  82 #include <trace/syscall.h>
  83
  84 /*
  85  * __MAP - apply a macro to syscall arguments
  86  * __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to
  87  *    m(t1, a1), m(t2, a2), ..., m(tn, an)
  88  * The first argument must be equal to the amount of type/name
  89  * pairs given.  Note that this list of pairs (i.e. the arguments
  90  * of __MAP starting at the third one) is in the same format as
  91  * for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n>
  92  */
  93 #define __MAP0(m,...)
  94 #define __MAP1(m,t,a) m(t,a)
  95 #define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__)
  96 #define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__)
  97 #define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
  98 #define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__)
  99 #define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__)
 100 #define __MAP(n,...) __MAP##n(__VA_ARGS__)
 101
 102 #define __SC_DECL(t, a) t a
 103 #define __TYPE_AS(t, v) __same_type((__force t)0, v)
 104 #define __TYPE_IS_L(t)  (__TYPE_AS(t, 0L))
 105 #define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL))
 106 #define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL))
 107 #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a
 108 #define __SC_CAST(t, a) (__force t) a
 109 #define __SC_ARGS(t, a) a
 110 #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
 111
 112 #ifdef CONFIG_FTRACE_SYSCALLS
 113 #define __SC_STR_ADECL(t, a)    #a
 114 #define __SC_STR_TDECL(t, a)    #t
 115
 116 extern struct trace_event_class event_class_syscall_enter;
 117 extern struct trace_event_class event_class_syscall_exit;
 118 extern struct trace_event_functions enter_syscall_print_funcs;
 119 extern struct trace_event_functions exit_syscall_print_funcs;
 120
 121 #define SYSCALL_TRACE_ENTER_EVENT(sname)                                \
 122         static struct syscall_metadata __syscall_meta_##sname;          \
 123         static struct trace_event_call __used                           \
 124           event_enter_##sname = {                                       \
 125                 .class                  = &event_class_syscall_enter,   \
 126                 {                                                       \
 127                         .name                   = "sys_enter"#sname,    \
 128                 },                                                      \
 129                 .event.funcs            = &enter_syscall_print_funcs,   \
 130                 .data                   = (void *)&__syscall_meta_##sname,\
 131                 .flags                  = TRACE_EVENT_FL_CAP_ANY,       \
 132         };                                                              \
 133         static struct trace_event_call __used                           \
 134           __attribute__((section("_ftrace_events")))                    \
 135          *__event_enter_##sname = &event_enter_##sname;
 136
 137 #define SYSCALL_TRACE_EXIT_EVENT(sname)                                 \
 138         static struct syscall_metadata __syscall_meta_##sname;          \
 139         static struct trace_event_call __used                           \
 140           event_exit_##sname = {                                        \
 141                 .class                  = &event_class_syscall_exit,    \
 142                 {                                                       \
 143                         .name                   = "sys_exit"#sname,     \
 144                 },                                                      \
 145                 .event.funcs            = &exit_syscall_print_funcs,    \
 146                 .data                   = (void *)&__syscall_meta_##sname,\
 147                 .flags                  = TRACE_EVENT_FL_CAP_ANY,       \
 148         };                                                              \
 149         static struct trace_event_call __used                           \
 150           __attribute__((section("_ftrace_events")))                    \
 151         *__event_exit_##sname = &event_exit_##sname;
 152
 153 #define SYSCALL_METADATA(sname, nb, ...)                        \
 154         static const char *types_##sname[] = {                  \
 155                 __MAP(nb,__SC_STR_TDECL,__VA_ARGS__)            \
 156         };                                                      \
 157         static const char *args_##sname[] = {                   \
 158                 __MAP(nb,__SC_STR_ADECL,__VA_ARGS__)            \
 159         };                                                      \
 160         SYSCALL_TRACE_ENTER_EVENT(sname);                       \
 161         SYSCALL_TRACE_EXIT_EVENT(sname);                        \
 162         static struct syscall_metadata __used                   \
 163           __syscall_meta_##sname = {                            \
 164                 .name           = "sys"#sname,                  \
 165                 .syscall_nr     = -1,   /* Filled in at boot */ \
 166                 .nb_args        = nb,                           \
 167                 .types          = nb ? types_##sname : NULL,    \
 168                 .args           = nb ? args_##sname : NULL,     \
 169                 .enter_event    = &event_enter_##sname,         \
 170                 .exit_event     = &event_exit_##sname,          \
 171                 .enter_fields   = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
 172         };                                                      \
 173         static struct syscall_metadata __used                   \
 174           __attribute__((section("__syscalls_metadata")))       \
 175          *__p_syscall_meta_##sname = &__syscall_meta_##sname;
 176
 177 static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
 178 {
 179         return tp_event->class == &event_class_syscall_enter ||
 180                tp_event->class == &event_class_syscall_exit;
 181 }
 182
 183 #else
 184 #define SYSCALL_METADATA(sname, nb, ...)
 185
 186 static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
 187 {
 188         return 0;
 189 }
 190 #endif
 191
 192 #define SYSCALL_DEFINE0(sname)                                  \
 193         SYSCALL_METADATA(_##sname, 0);                          \
 194         asmlinkage long sys_##sname(void)
 195
 196 #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
 197 #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
 198 #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
 199 #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
 200 #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
 201 #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
 202
 203 #define SYSCALL_DEFINE_MAXARGS  6
 204
 205 #define SYSCALL_DEFINEx(x, sname, ...)                          \
 206         SYSCALL_METADATA(sname, x, __VA_ARGS__)                 \
 207         __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
 208
 209 #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__)
 210 #define __SYSCALL_DEFINEx(x, name, ...)                                 \
 211         asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))       \
 212                 __attribute__((alias(__stringify(SyS##name))));         \
 213         static inline long SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));  \
 214         asmlinkage long SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__));      \
 215         asmlinkage long SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))       \
 216         {                                                               \
 217                 long ret = SYSC##name(__MAP(x,__SC_CAST,__VA_ARGS__));  \
 218                 __MAP(x,__SC_TEST,__VA_ARGS__);                         \
 219                 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__));       \
 220                 return ret;                                             \
 221         }                                                               \
 222         static inline long SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__))
 223
 224 /*
 225  * Called before coming back to user-mode. Returning to user-mode with an
 226  * address limit different than USER_DS can allow to overwrite kernel memory.
 227  */
 228 static inline void addr_limit_user_check(void)
 229 {
 230 #ifdef TIF_FSCHECK
 231         if (!test_thread_flag(TIF_FSCHECK))
 232                 return;
 233 #endif
 234
 235         if (CHECK_DATA_CORRUPTION(!segment_eq(get_fs(), USER_DS),
 236                                   "Invalid address limit on user-mode return"))
 237                 force_sig(SIGKILL, current);
 238
 239 #ifdef TIF_FSCHECK
 240         clear_thread_flag(TIF_FSCHECK);
 241 #endif
 242 }
 243
 244 asmlinkage long sys_time(time_t __user *tloc);
 245 asmlinkage long sys_stime(time_t __user *tptr);
 246 asmlinkage long sys_gettimeofday(struct timeval __user *tv,
 247                                 struct timezone __user *tz);
 248 asmlinkage long sys_settimeofday(struct timeval __user *tv,
 249                                 struct timezone __user *tz);
 250 asmlinkage long sys_adjtimex(struct timex __user *txc_p);
 251
 252 asmlinkage long sys_times(struct tms __user *tbuf);
 253
 254 asmlinkage long sys_gettid(void);
 255 asmlinkage long sys_nanosleep(struct timespec __user *rqtp, struct timespec __user *rmtp);
 256 asmlinkage long sys_alarm(unsigned int seconds);
 257 asmlinkage long sys_getpid(void);
 258 asmlinkage long sys_getppid(void);
 259 asmlinkage long sys_getuid(void);
 260 asmlinkage long sys_geteuid(void);
 261 asmlinkage long sys_getgid(void);
 262 asmlinkage long sys_getegid(void);
 263 asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid);
 264 asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid);
 265 asmlinkage long sys_getpgid(pid_t pid);
 266 asmlinkage long sys_getpgrp(void);
 267 asmlinkage long sys_getsid(pid_t pid);
 268 asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist);
 269
 270 asmlinkage long sys_setregid(gid_t rgid, gid_t egid);
 271 asmlinkage long sys_setgid(gid_t gid);
 272 asmlinkage long sys_setreuid(uid_t ruid, uid_t euid);
 273 asmlinkage long sys_setuid(uid_t uid);
 274 asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid);
 275 asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid);
 276 asmlinkage long sys_setfsuid(uid_t uid);
 277 asmlinkage long sys_setfsgid(gid_t gid);
 278 asmlinkage long sys_setpgid(pid_t pid, pid_t pgid);
 279 asmlinkage long sys_setsid(void);
 280 asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist);
 281
 282 asmlinkage long sys_acct(const char __user *name);
 283 asmlinkage long sys_capget(cap_user_header_t header,
 284                                 cap_user_data_t dataptr);
 285 asmlinkage long sys_capset(cap_user_header_t header,
 286                                 const cap_user_data_t data);
 287 asmlinkage long sys_personality(unsigned int personality);
 288
 289 asmlinkage long sys_sigpending(old_sigset_t __user *uset);
 290 asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set,
 291                                 old_sigset_t __user *oset);
 292 asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss,
 293                                 struct sigaltstack __user *uoss);
 294
 295 asmlinkage long sys_getitimer(int which, struct itimerval __user *value);
 296 asmlinkage long sys_setitimer(int which,
 297                                 struct itimerval __user *value,
 298                                 struct itimerval __user *ovalue);
 299 asmlinkage long sys_timer_create(clockid_t which_clock,
 300                                  struct sigevent __user *timer_event_spec,
 301                                  timer_t __user * created_timer_id);
 302 asmlinkage long sys_timer_gettime(timer_t timer_id,
 303                                 struct itimerspec __user *setting);
 304 asmlinkage long sys_timer_getoverrun(timer_t timer_id);
 305 asmlinkage long sys_timer_settime(timer_t timer_id, int flags,
 306                                 const struct itimerspec __user *new_setting,
 307                                 struct itimerspec __user *old_setting);
 308 asmlinkage long sys_timer_delete(timer_t timer_id);
 309 asmlinkage long sys_clock_settime(clockid_t which_clock,
 310                                 const struct timespec __user *tp);
 311 asmlinkage long sys_clock_gettime(clockid_t which_clock,
 312                                 struct timespec __user *tp);
 313 asmlinkage long sys_clock_adjtime(clockid_t which_clock,
 314                                 struct timex __user *tx);
 315 asmlinkage long sys_clock_getres(clockid_t which_clock,
 316                                 struct timespec __user *tp);
 317 asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags,
 318                                 const struct timespec __user *rqtp,
 319                                 struct timespec __user *rmtp);
 320
 321 asmlinkage long sys_nice(int increment);
 322 asmlinkage long sys_sched_setscheduler(pid_t pid, int policy,
 323                                         struct sched_param __user *param);
 324 asmlinkage long sys_sched_setparam(pid_t pid,
 325                                         struct sched_param __user *param);
 326 asmlinkage long sys_sched_setattr(pid_t pid,
 327                                         struct sched_attr __user *attr,
 328                                         unsigned int flags);
 329 asmlinkage long sys_sched_getscheduler(pid_t pid);
 330 asmlinkage long sys_sched_getparam(pid_t pid,
 331                                         struct sched_param __user *param);
 332 asmlinkage long sys_sched_getattr(pid_t pid,
 333                                         struct sched_attr __user *attr,
 334                                         unsigned int size,
 335                                         unsigned int flags);
 336 asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len,
 337                                         unsigned long __user *user_mask_ptr);
 338 asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
 339                                         unsigned long __user *user_mask_ptr);
 340 asmlinkage long sys_sched_yield(void);
 341 asmlinkage long sys_sched_get_priority_max(int policy);
 342 asmlinkage long sys_sched_get_priority_min(int policy);
 343 asmlinkage long sys_sched_rr_get_interval(pid_t pid,
 344                                         struct timespec __user *interval);
 345 asmlinkage long sys_setpriority(int which, int who, int niceval);
 346 asmlinkage long sys_getpriority(int which, int who);
 347
 348 asmlinkage long sys_shutdown(int, int);
 349 asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd,
 350                                 void __user *arg);
 351 asmlinkage long sys_restart_syscall(void);
 352 asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments,
 353                                 struct kexec_segment __user *segments,
 354                                 unsigned long flags);
 355 asmlinkage long sys_kexec_file_load(int kernel_fd, int initrd_fd,
 356                                     unsigned long cmdline_len,
 357                                     const char __user *cmdline_ptr,
 358                                     unsigned long flags);
 359
 360 asmlinkage long sys_exit(int error_code);
 361 asmlinkage long sys_exit_group(int error_code);
 362 asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr,
 363                                 int options, struct rusage __user *ru);
 364 asmlinkage long sys_waitid(int which, pid_t pid,
 365                            struct siginfo __user *infop,
 366                            int options, struct rusage __user *ru);
 367 asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options);
 368 asmlinkage long sys_set_tid_address(int __user *tidptr);
 369 asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val,
 370                         struct timespec __user *utime, u32 __user *uaddr2,
 371                         u32 val3);
 372
 373 asmlinkage long sys_init_module(void __user *umod, unsigned long len,
 374                                 const char __user *uargs);
 375 asmlinkage long sys_delete_module(const char __user *name_user,
 376                                 unsigned int flags);
 377
 378 #ifdef CONFIG_OLD_SIGSUSPEND
 379 asmlinkage long sys_sigsuspend(old_sigset_t mask);
 380 #endif
 381
 382 #ifdef CONFIG_OLD_SIGSUSPEND3
 383 asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask);
 384 #endif
 385
 386 asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
 387
 388 #ifdef CONFIG_OLD_SIGACTION
 389 asmlinkage long sys_sigaction(int, const struct old_sigaction __user *,
 390                                 struct old_sigaction __user *);
 391 #endif
 392
 393 #ifndef CONFIG_ODD_RT_SIGACTION
 394 asmlinkage long sys_rt_sigaction(int,
 395                                  const struct sigaction __user *,
 396                                  struct sigaction __user *,
 397                                  size_t);
 398 #endif
 399 asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set,
 400                                 sigset_t __user *oset, size_t sigsetsize);
 401 asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize);
 402 asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese,
 403                                 siginfo_t __user *uinfo,
 404                                 const struct timespec __user *uts,
 405                                 size_t sigsetsize);
 406 asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t  pid, int sig,
 407                 siginfo_t __user *uinfo);
 408 asmlinkage long sys_kill(pid_t pid, int sig);
 409 asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig);
 410 asmlinkage long sys_tkill(pid_t pid, int sig);
 411 asmlinkage long sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo);
 412 asmlinkage long sys_sgetmask(void);
 413 asmlinkage long sys_ssetmask(int newmask);
 414 asmlinkage long sys_signal(int sig, __sighandler_t handler);
 415 asmlinkage long sys_pause(void);
 416
 417 asmlinkage long sys_sync(void);
 418 asmlinkage long sys_fsync(unsigned int fd);
 419 asmlinkage long sys_fdatasync(unsigned int fd);
 420 asmlinkage long sys_bdflush(int func, long data);
 421 asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name,
 422                                 char __user *type, unsigned long flags,
 423                                 void __user *data);
 424 asmlinkage long sys_umount(char __user *name, int flags);
 425 asmlinkage long sys_oldumount(char __user *name);
 426 asmlinkage long sys_truncate(const char __user *path, long length);
 427 asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length);
 428 asmlinkage long sys_stat(const char __user *filename,
 429                         struct __old_kernel_stat __user *statbuf);
 430 asmlinkage long sys_statfs(const char __user * path,
 431                                 struct statfs __user *buf);
 432 asmlinkage long sys_statfs64(const char __user *path, size_t sz,
 433                                 struct statfs64 __user *buf);
 434 asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf);
 435 asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz,
 436                                 struct statfs64 __user *buf);
 437 asmlinkage long sys_lstat(const char __user *filename,
 438                         struct __old_kernel_stat __user *statbuf);
 439 asmlinkage long sys_fstat(unsigned int fd,
 440                         struct __old_kernel_stat __user *statbuf);
 441 asmlinkage long sys_newstat(const char __user *filename,
 442                                 struct stat __user *statbuf);
 443 asmlinkage long sys_newlstat(const char __user *filename,
 444                                 struct stat __user *statbuf);
 445 asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf);
 446 asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf);
 447 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
 448 asmlinkage long sys_stat64(const char __user *filename,
 449                                 struct stat64 __user *statbuf);
 450 asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
 451 asmlinkage long sys_lstat64(const char __user *filename,
 452                                 struct stat64 __user *statbuf);
 453 asmlinkage long sys_fstatat64(int dfd, const char __user *filename,
 454                                struct stat64 __user *statbuf, int flag);
 455 #endif
 456 #if BITS_PER_LONG == 32
 457 asmlinkage long sys_truncate64(const char __user *path, loff_t length);
 458 asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length);
 459 #endif
 460
 461 asmlinkage long sys_setxattr(const char __user *path, const char __user *name,
 462                              const void __user *value, size_t size, int flags);
 463 asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name,
 464                               const void __user *value, size_t size, int flags);
 465 asmlinkage long sys_fsetxattr(int fd, const char __user *name,
 466                               const void __user *value, size_t size, int flags);
 467 asmlinkage long sys_getxattr(const char __user *path, const char __user *name,
 468                              void __user *value, size_t size);
 469 asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name,
 470                               void __user *value, size_t size);
 471 asmlinkage long sys_fgetxattr(int fd, const char __user *name,
 472                               void __user *value, size_t size);
 473 asmlinkage long sys_listxattr(const char __user *path, char __user *list,
 474                               size_t size);
 475 asmlinkage long sys_llistxattr(const char __user *path, char __user *list,
 476                                size_t size);
 477 asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size);
 478 asmlinkage long sys_removexattr(const char __user *path,
 479                                 const char __user *name);
 480 asmlinkage long sys_lremovexattr(const char __user *path,
 481                                  const char __user *name);
 482 asmlinkage long sys_fremovexattr(int fd, const char __user *name);
 483
 484 asmlinkage long sys_brk(unsigned long brk);
 485 asmlinkage long sys_mprotect(unsigned long start, size_t len,
 486                                 unsigned long prot);
 487 asmlinkage long sys_mremap(unsigned long addr,
 488                            unsigned long old_len, unsigned long new_len,
 489                            unsigned long flags, unsigned long new_addr);
 490 asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
 491                         unsigned long prot, unsigned long pgoff,
 492                         unsigned long flags);
 493 asmlinkage long sys_msync(unsigned long start, size_t len, int flags);
 494 asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice);
 495 asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
 496 asmlinkage long sys_munmap(unsigned long addr, size_t len);
 497 asmlinkage long sys_mlock(unsigned long start, size_t len);
 498 asmlinkage long sys_munlock(unsigned long start, size_t len);
 499 asmlinkage long sys_mlockall(int flags);
 500 asmlinkage long sys_munlockall(void);
 501 asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
 502 asmlinkage long sys_mincore(unsigned long start, size_t len,
 503                                 unsigned char __user * vec);
 504
 505 asmlinkage long sys_pivot_root(const char __user *new_root,
 506                                 const char __user *put_old);
 507 asmlinkage long sys_chroot(const char __user *filename);
 508 asmlinkage long sys_mknod(const char __user *filename, umode_t mode,
 509                                 unsigned dev);
 510 asmlinkage long sys_link(const char __user *oldname,
 511                                 const char __user *newname);
 512 asmlinkage long sys_symlink(const char __user *old, const char __user *new);
 513 asmlinkage long sys_unlink(const char __user *pathname);
 514 asmlinkage long sys_rename(const char __user *oldname,
 515                                 const char __user *newname);
 516 asmlinkage long sys_chmod(const char __user *filename, umode_t mode);
 517 asmlinkage long sys_fchmod(unsigned int fd, umode_t mode);
 518
 519 asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
 520 #if BITS_PER_LONG == 32
 521 asmlinkage long sys_fcntl64(unsigned int fd,
 522                                 unsigned int cmd, unsigned long arg);
 523 #endif
 524 asmlinkage long sys_pipe(int __user *fildes);
 525 asmlinkage long sys_pipe2(int __user *fildes, int flags);
 526 asmlinkage long sys_dup(unsigned int fildes);
 527 asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd);
 528 asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags);
 529 asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on);
 530 asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd,
 531                                 unsigned long arg);
 532 asmlinkage long sys_flock(unsigned int fd, unsigned int cmd);
 533 asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx);
 534 asmlinkage long sys_io_destroy(aio_context_t ctx);
 535 asmlinkage long sys_io_getevents(aio_context_t ctx_id,
 536                                 long min_nr,
 537                                 long nr,
 538                                 struct io_event __user *events,
 539                                 struct timespec __user *timeout);
 540 asmlinkage long sys_io_submit(aio_context_t, long,
 541                                 struct iocb __user * __user *);
 542 asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
 543                               struct io_event __user *result);
 544 asmlinkage long sys_sendfile(int out_fd, int in_fd,
 545                              off_t __user *offset, size_t count);
 546 asmlinkage long sys_sendfile64(int out_fd, int in_fd,
 547                                loff_t __user *offset, size_t count);
 548 asmlinkage long sys_readlink(const char __user *path,
 549                                 char __user *buf, int bufsiz);
 550 asmlinkage long sys_creat(const char __user *pathname, umode_t mode);
 551 asmlinkage long sys_open(const char __user *filename,
 552                                 int flags, umode_t mode);
 553 asmlinkage long sys_close(unsigned int fd);
 554 asmlinkage long sys_access(const char __user *filename, int mode);
 555 asmlinkage long sys_vhangup(void);
 556 asmlinkage long sys_chown(const char __user *filename,
 557                                 uid_t user, gid_t group);
 558 asmlinkage long sys_lchown(const char __user *filename,
 559                                 uid_t user, gid_t group);
 560 asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group);
 561 #ifdef CONFIG_HAVE_UID16
 562 asmlinkage long sys_chown16(const char __user *filename,
 563                                 old_uid_t user, old_gid_t group);
 564 asmlinkage long sys_lchown16(const char __user *filename,
 565                                 old_uid_t user, old_gid_t group);
 566 asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group);
 567 asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid);
 568 asmlinkage long sys_setgid16(old_gid_t gid);
 569 asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid);
 570 asmlinkage long sys_setuid16(old_uid_t uid);
 571 asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid);
 572 asmlinkage long sys_getresuid16(old_uid_t __user *ruid,
 573                                 old_uid_t __user *euid, old_uid_t __user *suid);
 574 asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid);
 575 asmlinkage long sys_getresgid16(old_gid_t __user *rgid,
 576                                 old_gid_t __user *egid, old_gid_t __user *sgid);
 577 asmlinkage long sys_setfsuid16(old_uid_t uid);
 578 asmlinkage long sys_setfsgid16(old_gid_t gid);
 579 asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist);
 580 asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist);
 581 asmlinkage long sys_getuid16(void);
 582 asmlinkage long sys_geteuid16(void);
 583 asmlinkage long sys_getgid16(void);
 584 asmlinkage long sys_getegid16(void);
 585 #endif
 586
 587 asmlinkage long sys_utime(char __user *filename,
 588                                 struct utimbuf __user *times);
 589 asmlinkage long sys_utimes(char __user *filename,
 590                                 struct timeval __user *utimes);
 591 asmlinkage long sys_lseek(unsigned int fd, off_t offset,
 592                           unsigned int whence);
 593 asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
 594                         unsigned long offset_low, loff_t __user *result,
 595                         unsigned int whence);
 596 asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count);
 597 asmlinkage long sys_readahead(int fd, loff_t offset, size_t count);
 598 asmlinkage long sys_readv(unsigned long fd,
 599                           const struct iovec __user *vec,
 600                           unsigned long vlen);
 601 asmlinkage long sys_write(unsigned int fd, const char __user *buf,
 602                           size_t count);
 603 asmlinkage long sys_writev(unsigned long fd,
 604                            const struct iovec __user *vec,
 605                            unsigned long vlen);
 606 asmlinkage long sys_pread64(unsigned int fd, char __user *buf,
 607                             size_t count, loff_t pos);
 608 asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf,
 609                              size_t count, loff_t pos);
 610 asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec,
 611                            unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
 612 asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec,
 613                             unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
 614                             rwf_t flags);
 615 asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec,
 616                             unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
 617 asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec,
 618                             unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
 619                             rwf_t flags);
 620 asmlinkage long sys_getcwd(char __user *buf, unsigned long size);
 621 asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode);
 622 asmlinkage long sys_chdir(const char __user *filename);
 623 asmlinkage long sys_fchdir(unsigned int fd);
 624 asmlinkage long sys_rmdir(const char __user *pathname);
 625 asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user *buf, size_t len);
 626 asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special,
 627                                 qid_t id, void __user *addr);
 628 asmlinkage long sys_getdents(unsigned int fd,
 629                                 struct linux_dirent __user *dirent,
 630                                 unsigned int count);
 631 asmlinkage long sys_getdents64(unsigned int fd,
 632                                 struct linux_dirent64 __user *dirent,
 633                                 unsigned int count);
 634
 635 asmlinkage long sys_setsockopt(int fd, int level, int optname,
 636                                 char __user *optval, int optlen);
 637 asmlinkage long sys_getsockopt(int fd, int level, int optname,
 638                                 char __user *optval, int __user *optlen);
 639 asmlinkage long sys_bind(int, struct sockaddr __user *, int);
 640 asmlinkage long sys_connect(int, struct sockaddr __user *, int);
 641 asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *);
 642 asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int);
 643 asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *);
 644 asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *);
 645 asmlinkage long sys_send(int, void __user *, size_t, unsigned);
 646 asmlinkage long sys_sendto(int, void __user *, size_t, unsigned,
 647                                 struct sockaddr __user *, int);
 648 asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
 649 asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg,
 650                              unsigned int vlen, unsigned flags);
 651 asmlinkage long sys_recv(int, void __user *, size_t, unsigned);
 652 asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned,
 653                                 struct sockaddr __user *, int __user *);
 654 asmlinkage long sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
 655 asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg,
 656                              unsigned int vlen, unsigned flags,
 657                              struct timespec __user *timeout);
 658 asmlinkage long sys_socket(int, int, int);
 659 asmlinkage long sys_socketpair(int, int, int, int __user *);
 660 asmlinkage long sys_socketcall(int call, unsigned long __user *args);
 661 asmlinkage long sys_listen(int, int);
 662 asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
 663                                 int timeout);
 664 asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
 665                         fd_set __user *exp, struct timeval __user *tvp);
 666 asmlinkage long sys_old_select(struct sel_arg_struct __user *arg);
 667 asmlinkage long sys_epoll_create(int size);
 668 asmlinkage long sys_epoll_create1(int flags);
 669 asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
 670                                 struct epoll_event __user *event);
 671 asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events,
 672                                 int maxevents, int timeout);
 673 asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
 674                                 int maxevents, int timeout,
 675                                 const sigset_t __user *sigmask,
 676                                 size_t sigsetsize);
 677 asmlinkage long sys_gethostname(char __user *name, int len);
 678 asmlinkage long sys_sethostname(char __user *name, int len);
 679 asmlinkage long sys_setdomainname(char __user *name, int len);
 680 asmlinkage long sys_newuname(struct new_utsname __user *name);
 681 asmlinkage long sys_uname(struct old_utsname __user *);
 682 asmlinkage long sys_olduname(struct oldold_utsname __user *);
 683
 684 asmlinkage long sys_getrlimit(unsigned int resource,
 685                                 struct rlimit __user *rlim);
 686 #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
 687 asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim);
 688 #endif
 689 asmlinkage long sys_setrlimit(unsigned int resource,
 690                                 struct rlimit __user *rlim);
 691 asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource,
 692                                 const struct rlimit64 __user *new_rlim,
 693                                 struct rlimit64 __user *old_rlim);
 694 asmlinkage long sys_getrusage(int who, struct rusage __user *ru);
 695 asmlinkage long sys_umask(int mask);
 696
 697 asmlinkage long sys_msgget(key_t key, int msgflg);
 698 asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp,
 699                                 size_t msgsz, int msgflg);
 700 asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp,
 701                                 size_t msgsz, long msgtyp, int msgflg);
 702 asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
 703
 704 asmlinkage long sys_semget(key_t key, int nsems, int semflg);
 705 asmlinkage long sys_semop(int semid, struct sembuf __user *sops,
 706                                 unsigned nsops);
 707 asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg);
 708 asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops,
 709                                 unsigned nsops,
 710                                 const struct timespec __user *timeout);
 711 asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
 712 asmlinkage long sys_shmget(key_t key, size_t size, int flag);
 713 asmlinkage long sys_shmdt(char __user *shmaddr);
 714 asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
 715 asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
 716                 unsigned long third, void __user *ptr, long fifth);
 717
 718 asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr);
 719 asmlinkage long sys_mq_unlink(const char __user *name);
 720 asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *msg_ptr, size_t msg_len, unsigned int msg_prio, const struct timespec __user *abs_timeout);
 721 asmlinkage long sys_mq_timedreceive(mqd_t mqdes, char __user *msg_ptr, size_t msg_len, unsigned int __user *msg_prio, const struct timespec __user *abs_timeout);
 722 asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification);
 723 asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat);
 724
 725 asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn);
 726 asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn,
 727                                 unsigned long off, unsigned long len,
 728                                 void __user *buf);
 729 asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn,
 730                                 unsigned long off, unsigned long len,
 731                                 void __user *buf);
 732
 733 asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
 734                         unsigned long arg4, unsigned long arg5);
 735 asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags);
 736 asmlinkage long sys_swapoff(const char __user *specialfile);
 737 asmlinkage long sys_sysctl(struct __sysctl_args __user *args);
 738 asmlinkage long sys_sysinfo(struct sysinfo __user *info);
 739 asmlinkage long sys_sysfs(int option,
 740                                 unsigned long arg1, unsigned long arg2);
 741 asmlinkage long sys_syslog(int type, char __user *buf, int len);
 742 asmlinkage long sys_uselib(const char __user *library);
 743 asmlinkage long sys_ni_syscall(void);
 744 asmlinkage long sys_ptrace(long request, long pid, unsigned long addr,
 745                            unsigned long data);
 746
 747 asmlinkage long sys_add_key(const char __user *_type,
 748                             const char __user *_description,
 749                             const void __user *_payload,
 750                             size_t plen,
 751                             key_serial_t destringid);
 752
 753 asmlinkage long sys_request_key(const char __user *_type,
 754                                 const char __user *_description,
 755                                 const char __user *_callout_info,
 756                                 key_serial_t destringid);
 757
 758 asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3,
 759                            unsigned long arg4, unsigned long arg5);
 760
 761 asmlinkage long sys_ioprio_set(int which, int who, int ioprio);
 762 asmlinkage long sys_ioprio_get(int which, int who);
 763 asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask,
 764                                 unsigned long maxnode);
 765 asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
 766                                 const unsigned long __user *from,
 767                                 const unsigned long __user *to);
 768 asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
 769                                 const void __user * __user *pages,
 770                                 const int __user *nodes,
 771                                 int __user *status,
 772                                 int flags);
 773 asmlinkage long sys_mbind(unsigned long start, unsigned long len,
 774                                 unsigned long mode,
 775                                 const unsigned long __user *nmask,
 776                                 unsigned long maxnode,
 777                                 unsigned flags);
 778 asmlinkage long sys_get_mempolicy(int __user *policy,
 779                                 unsigned long __user *nmask,
 780                                 unsigned long maxnode,
 781                                 unsigned long addr, unsigned long flags);
 782
 783 asmlinkage long sys_inotify_init(void);
 784 asmlinkage long sys_inotify_init1(int flags);
 785 asmlinkage long sys_inotify_add_watch(int fd, const char __user *path,
 786                                         u32 mask);
 787 asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd);
 788
 789 asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
 790                                  __u32 __user *ustatus);
 791 asmlinkage long sys_spu_create(const char __user *name,
 792                 unsigned int flags, umode_t mode, int fd);
 793
 794 asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode,
 795                             unsigned dev);
 796 asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode);
 797 asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
 798 asmlinkage long sys_symlinkat(const char __user * oldname,
 799                               int newdfd, const char __user * newname);
 800 asmlinkage long sys_linkat(int olddfd, const char __user *oldname,
 801                            int newdfd, const char __user *newname, int flags);
 802 asmlinkage long sys_renameat(int olddfd, const char __user * oldname,
 803                              int newdfd, const char __user * newname);
 804 asmlinkage long sys_renameat2(int olddfd, const char __user *oldname,
 805                               int newdfd, const char __user *newname,
 806                               unsigned int flags);
 807 asmlinkage long sys_futimesat(int dfd, const char __user *filename,
 808                               struct timeval __user *utimes);
 809 asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
 810 asmlinkage long sys_fchmodat(int dfd, const char __user * filename,
 811                              umode_t mode);
 812 asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
 813                              gid_t group, int flag);
 814 asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
 815                            umode_t mode);
 816 asmlinkage long sys_newfstatat(int dfd, const char __user *filename,
 817                                struct stat __user *statbuf, int flag);
 818 asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf,
 819                                int bufsiz);
 820 asmlinkage long sys_utimensat(int dfd, const char __user *filename,
 821                                 struct timespec __user *utimes, int flags);
 822 asmlinkage long sys_unshare(unsigned long unshare_flags);
 823
 824 asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
 825                            int fd_out, loff_t __user *off_out,
 826                            size_t len, unsigned int flags);
 827
 828 asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
 829                              unsigned long nr_segs, unsigned int flags);
 830
 831 asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
 832
 833 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
 834                                         unsigned int flags);
 835 asmlinkage long sys_sync_file_range2(int fd, unsigned int flags,
 836                                      loff_t offset, loff_t nbytes);
 837 asmlinkage long sys_get_robust_list(int pid,
 838                                     struct robust_list_head __user * __user *head_ptr,
 839                                     size_t __user *len_ptr);
 840 asmlinkage long sys_set_robust_list(struct robust_list_head __user *head,
 841                                     size_t len);
 842 asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache);
 843 asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask);
 844 asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags);
 845 asmlinkage long sys_timerfd_create(int clockid, int flags);
 846 asmlinkage long sys_timerfd_settime(int ufd, int flags,
 847                                     const struct itimerspec __user *utmr,
 848                                     struct itimerspec __user *otmr);
 849 asmlinkage long sys_timerfd_gettime(int ufd, struct itimerspec __user *otmr);
 850 asmlinkage long sys_eventfd(unsigned int count);
 851 asmlinkage long sys_eventfd2(unsigned int count, int flags);
 852 asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags);
 853 asmlinkage long sys_userfaultfd(int flags);
 854 asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
 855 asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
 856 asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
 857                              fd_set __user *, struct timespec __user *,
 858                              void __user *);
 859 asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
 860                           struct timespec __user *, const sigset_t __user *,
 861                           size_t);
 862 asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags);
 863 asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
 864                                   u64 mask, int fd,
 865                                   const char  __user *pathname);
 866 asmlinkage long sys_syncfs(int fd);
 867
 868 asmlinkage long sys_fork(void);
 869 asmlinkage long sys_vfork(void);
 870 #ifdef CONFIG_CLONE_BACKWARDS
 871 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, unsigned long,
 872                int __user *);
 873 #else
 874 #ifdef CONFIG_CLONE_BACKWARDS3
 875 asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *,
 876                           int __user *, unsigned long);
 877 #else
 878 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *,
 879                int __user *, unsigned long);
 880 #endif
 881 #endif
 882
 883 asmlinkage long sys_execve(const char __user *filename,
 884                 const char __user *const __user *argv,
 885                 const char __user *const __user *envp);
 886
 887 asmlinkage long sys_perf_event_open(
 888                 struct perf_event_attr __user *attr_uptr,
 889                 pid_t pid, int cpu, int group_fd, unsigned long flags);
 890
 891 asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len,
 892                         unsigned long prot, unsigned long flags,
 893                         unsigned long fd, unsigned long pgoff);
 894 asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg);
 895 asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name,
 896                                       struct file_handle __user *handle,
 897                                       int __user *mnt_id, int flag);
 898 asmlinkage long sys_open_by_handle_at(int mountdirfd,
 899                                       struct file_handle __user *handle,
 900                                       int flags);
 901 asmlinkage long sys_setns(int fd, int nstype);
 902 asmlinkage long sys_process_vm_readv(pid_t pid,
 903                                      const struct iovec __user *lvec,
 904                                      unsigned long liovcnt,
 905                                      const struct iovec __user *rvec,
 906                                      unsigned long riovcnt,
 907                                      unsigned long flags);
 908 asmlinkage long sys_process_vm_writev(pid_t pid,
 909                                       const struct iovec __user *lvec,
 910                                       unsigned long liovcnt,
 911                                       const struct iovec __user *rvec,
 912                                       unsigned long riovcnt,
 913                                       unsigned long flags);
 914
 915 asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type,
 916                          unsigned long idx1, unsigned long idx2);
 917 asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags);
 918 asmlinkage long sys_seccomp(unsigned int op, unsigned int flags,
 919                             const char __user *uargs);
 920 asmlinkage long sys_getrandom(char __user *buf, size_t count,
 921                               unsigned int flags);
 922 asmlinkage long sys_bpf(int cmd, union bpf_attr *attr, unsigned int size);
 923
 924 asmlinkage long sys_execveat(int dfd, const char __user *filename,
 925                         const char __user *const __user *argv,
 926                         const char __user *const __user *envp, int flags);
 927
 928 asmlinkage long sys_membarrier(int cmd, int flags);
 929 asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in,
 930                                     int fd_out, loff_t __user *off_out,
 931                                     size_t len, unsigned int flags);
 932
 933 asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags);
 934
 935 asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len,
 936                                   unsigned long prot, int pkey);
 937 asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val);
 938 asmlinkage long sys_pkey_free(int pkey);
 939 asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags,
 940                           unsigned mask, struct statx __user *buffer);
 941
 942
 943 /*
 944  * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.
 945  * Instead, use one of the functions which work equivalently, such as
 946  * the ksys_xyzyyz() functions prototyped below.
 947  */
 948
 949 int ksys_mount(char __user *dev_name, char __user *dir_name, char __user *type,
 950                unsigned long flags, void __user *data);
 951 int ksys_umount(char __user *name, int flags);
 952 int ksys_dup(unsigned int fildes);
 953 int ksys_chroot(const char __user *filename);
 954 ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count);
 955 int ksys_chdir(const char __user *filename);
 956
 957 /*
 958  * The following kernel syscall equivalents are just wrappers to fs-internal
 959  * functions. Therefore, provide stubs to be inlined at the callsites.
 960  */
 961 extern long do_unlinkat(int dfd, struct filename *name);
 962
 963 static inline long ksys_unlink(const char __user *pathname)
 964 {
 965         return do_unlinkat(AT_FDCWD, getname(pathname));
 966 }
 967
 968 extern long do_rmdir(int dfd, const char __user *pathname);
 969
 970 static inline long ksys_rmdir(const char __user *pathname)
 971 {
 972         return do_rmdir(AT_FDCWD, pathname);
 973 }
 974
 975 #endif