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_DEFINEx(x, sname, ...) \ 204 SYSCALL_METADATA(sname, x, __VA_ARGS__) \ 205 __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) 206 207 #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__) 208 #define __SYSCALL_DEFINEx(x, name, ...) \ 209 asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ 210 __attribute__((alias(__stringify(SyS##name)))); \ 211 static inline long SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \ 212 asmlinkage long SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ 213 asmlinkage long SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ 214 { \ 215 long ret = SYSC##name(__MAP(x,__SC_CAST,__VA_ARGS__)); \ 216 __MAP(x,__SC_TEST,__VA_ARGS__); \ 217 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \ 218 return ret; \ 219 } \ 220 static inline long SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 221 222 #ifdef TIF_FSCHECK 223 /* 224 * Called before coming back to user-mode. Returning to user-mode with an 225 * address limit different than USER_DS can allow to overwrite kernel memory. 226 */ 227 static inline void addr_limit_user_check(void) 228 { 229 230 if (!test_thread_flag(TIF_FSCHECK)) 231 return; 232 233 BUG_ON(!segment_eq(get_fs(), USER_DS)); 234 clear_thread_flag(TIF_FSCHECK); 235 } 236 #endif 237 238 asmlinkage long sys32_quotactl(unsigned int cmd, const char __user *special, 239 qid_t id, void __user *addr); 240 asmlinkage long sys_time(time_t __user *tloc); 241 asmlinkage long sys_stime(time_t __user *tptr); 242 asmlinkage long sys_gettimeofday(struct timeval __user *tv, 243 struct timezone __user *tz); 244 asmlinkage long sys_settimeofday(struct timeval __user *tv, 245 struct timezone __user *tz); 246 asmlinkage long sys_adjtimex(struct timex __user *txc_p); 247 248 asmlinkage long sys_times(struct tms __user *tbuf); 249 250 asmlinkage long sys_gettid(void); 251 asmlinkage long sys_nanosleep(struct timespec __user *rqtp, struct timespec __user *rmtp); 252 asmlinkage long sys_alarm(unsigned int seconds); 253 asmlinkage long sys_getpid(void); 254 asmlinkage long sys_getppid(void); 255 asmlinkage long sys_getuid(void); 256 asmlinkage long sys_geteuid(void); 257 asmlinkage long sys_getgid(void); 258 asmlinkage long sys_getegid(void); 259 asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid); 260 asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid); 261 asmlinkage long sys_getpgid(pid_t pid); 262 asmlinkage long sys_getpgrp(void); 263 asmlinkage long sys_getsid(pid_t pid); 264 asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist); 265 266 asmlinkage long sys_setregid(gid_t rgid, gid_t egid); 267 asmlinkage long sys_setgid(gid_t gid); 268 asmlinkage long sys_setreuid(uid_t ruid, uid_t euid); 269 asmlinkage long sys_setuid(uid_t uid); 270 asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid); 271 asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid); 272 asmlinkage long sys_setfsuid(uid_t uid); 273 asmlinkage long sys_setfsgid(gid_t gid); 274 asmlinkage long sys_setpgid(pid_t pid, pid_t pgid); 275 asmlinkage long sys_setsid(void); 276 asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist); 277 278 asmlinkage long sys_acct(const char __user *name); 279 asmlinkage long sys_capget(cap_user_header_t header, 280 cap_user_data_t dataptr); 281 asmlinkage long sys_capset(cap_user_header_t header, 282 const cap_user_data_t data); 283 asmlinkage long sys_personality(unsigned int personality); 284 285 asmlinkage long sys_sigpending(old_sigset_t __user *set); 286 asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set, 287 old_sigset_t __user *oset); 288 asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss, 289 struct sigaltstack __user *uoss); 290 291 asmlinkage long sys_getitimer(int which, struct itimerval __user *value); 292 asmlinkage long sys_setitimer(int which, 293 struct itimerval __user *value, 294 struct itimerval __user *ovalue); 295 asmlinkage long sys_timer_create(clockid_t which_clock, 296 struct sigevent __user *timer_event_spec, 297 timer_t __user * created_timer_id); 298 asmlinkage long sys_timer_gettime(timer_t timer_id, 299 struct itimerspec __user *setting); 300 asmlinkage long sys_timer_getoverrun(timer_t timer_id); 301 asmlinkage long sys_timer_settime(timer_t timer_id, int flags, 302 const struct itimerspec __user *new_setting, 303 struct itimerspec __user *old_setting); 304 asmlinkage long sys_timer_delete(timer_t timer_id); 305 asmlinkage long sys_clock_settime(clockid_t which_clock, 306 const struct timespec __user *tp); 307 asmlinkage long sys_clock_gettime(clockid_t which_clock, 308 struct timespec __user *tp); 309 asmlinkage long sys_clock_adjtime(clockid_t which_clock, 310 struct timex __user *tx); 311 asmlinkage long sys_clock_getres(clockid_t which_clock, 312 struct timespec __user *tp); 313 asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags, 314 const struct timespec __user *rqtp, 315 struct timespec __user *rmtp); 316 317 asmlinkage long sys_nice(int increment); 318 asmlinkage long sys_sched_setscheduler(pid_t pid, int policy, 319 struct sched_param __user *param); 320 asmlinkage long sys_sched_setparam(pid_t pid, 321 struct sched_param __user *param); 322 asmlinkage long sys_sched_setattr(pid_t pid, 323 struct sched_attr __user *attr, 324 unsigned int flags); 325 asmlinkage long sys_sched_getscheduler(pid_t pid); 326 asmlinkage long sys_sched_getparam(pid_t pid, 327 struct sched_param __user *param); 328 asmlinkage long sys_sched_getattr(pid_t pid, 329 struct sched_attr __user *attr, 330 unsigned int size, 331 unsigned int flags); 332 asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len, 333 unsigned long __user *user_mask_ptr); 334 asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len, 335 unsigned long __user *user_mask_ptr); 336 asmlinkage long sys_sched_yield(void); 337 asmlinkage long sys_sched_get_priority_max(int policy); 338 asmlinkage long sys_sched_get_priority_min(int policy); 339 asmlinkage long sys_sched_rr_get_interval(pid_t pid, 340 struct timespec __user *interval); 341 asmlinkage long sys_setpriority(int which, int who, int niceval); 342 asmlinkage long sys_getpriority(int which, int who); 343 344 asmlinkage long sys_shutdown(int, int); 345 asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd, 346 void __user *arg); 347 asmlinkage long sys_restart_syscall(void); 348 asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments, 349 struct kexec_segment __user *segments, 350 unsigned long flags); 351 asmlinkage long sys_kexec_file_load(int kernel_fd, int initrd_fd, 352 unsigned long cmdline_len, 353 const char __user *cmdline_ptr, 354 unsigned long flags); 355 356 asmlinkage long sys_exit(int error_code); 357 asmlinkage long sys_exit_group(int error_code); 358 asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr, 359 int options, struct rusage __user *ru); 360 asmlinkage long sys_waitid(int which, pid_t pid, 361 struct siginfo __user *infop, 362 int options, struct rusage __user *ru); 363 asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options); 364 asmlinkage long sys_set_tid_address(int __user *tidptr); 365 asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val, 366 struct timespec __user *utime, u32 __user *uaddr2, 367 u32 val3); 368 369 asmlinkage long sys_init_module(void __user *umod, unsigned long len, 370 const char __user *uargs); 371 asmlinkage long sys_delete_module(const char __user *name_user, 372 unsigned int flags); 373 374 #ifdef CONFIG_OLD_SIGSUSPEND 375 asmlinkage long sys_sigsuspend(old_sigset_t mask); 376 #endif 377 378 #ifdef CONFIG_OLD_SIGSUSPEND3 379 asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask); 380 #endif 381 382 asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize); 383 384 #ifdef CONFIG_OLD_SIGACTION 385 asmlinkage long sys_sigaction(int, const struct old_sigaction __user *, 386 struct old_sigaction __user *); 387 #endif 388 389 #ifndef CONFIG_ODD_RT_SIGACTION 390 asmlinkage long sys_rt_sigaction(int, 391 const struct sigaction __user *, 392 struct sigaction __user *, 393 size_t); 394 #endif 395 asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set, 396 sigset_t __user *oset, size_t sigsetsize); 397 asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize); 398 asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese, 399 siginfo_t __user *uinfo, 400 const struct timespec __user *uts, 401 size_t sigsetsize); 402 asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig, 403 siginfo_t __user *uinfo); 404 asmlinkage long sys_kill(pid_t pid, int sig); 405 asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig); 406 asmlinkage long sys_tkill(pid_t pid, int sig); 407 asmlinkage long sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo); 408 asmlinkage long sys_sgetmask(void); 409 asmlinkage long sys_ssetmask(int newmask); 410 asmlinkage long sys_signal(int sig, __sighandler_t handler); 411 asmlinkage long sys_pause(void); 412 413 asmlinkage long sys_sync(void); 414 asmlinkage long sys_fsync(unsigned int fd); 415 asmlinkage long sys_fdatasync(unsigned int fd); 416 asmlinkage long sys_bdflush(int func, long data); 417 asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name, 418 char __user *type, unsigned long flags, 419 void __user *data); 420 asmlinkage long sys_umount(char __user *name, int flags); 421 asmlinkage long sys_oldumount(char __user *name); 422 asmlinkage long sys_truncate(const char __user *path, long length); 423 asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length); 424 asmlinkage long sys_stat(const char __user *filename, 425 struct __old_kernel_stat __user *statbuf); 426 asmlinkage long sys_statfs(const char __user * path, 427 struct statfs __user *buf); 428 asmlinkage long sys_statfs64(const char __user *path, size_t sz, 429 struct statfs64 __user *buf); 430 asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf); 431 asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz, 432 struct statfs64 __user *buf); 433 asmlinkage long sys_lstat(const char __user *filename, 434 struct __old_kernel_stat __user *statbuf); 435 asmlinkage long sys_fstat(unsigned int fd, 436 struct __old_kernel_stat __user *statbuf); 437 asmlinkage long sys_newstat(const char __user *filename, 438 struct stat __user *statbuf); 439 asmlinkage long sys_newlstat(const char __user *filename, 440 struct stat __user *statbuf); 441 asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf); 442 asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf); 443 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64) 444 asmlinkage long sys_stat64(const char __user *filename, 445 struct stat64 __user *statbuf); 446 asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf); 447 asmlinkage long sys_lstat64(const char __user *filename, 448 struct stat64 __user *statbuf); 449 asmlinkage long sys_fstatat64(int dfd, const char __user *filename, 450 struct stat64 __user *statbuf, int flag); 451 #endif 452 #if BITS_PER_LONG == 32 453 asmlinkage long sys_truncate64(const char __user *path, loff_t length); 454 asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length); 455 #endif 456 457 asmlinkage long sys_setxattr(const char __user *path, const char __user *name, 458 const void __user *value, size_t size, int flags); 459 asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name, 460 const void __user *value, size_t size, int flags); 461 asmlinkage long sys_fsetxattr(int fd, const char __user *name, 462 const void __user *value, size_t size, int flags); 463 asmlinkage long sys_getxattr(const char __user *path, const char __user *name, 464 void __user *value, size_t size); 465 asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name, 466 void __user *value, size_t size); 467 asmlinkage long sys_fgetxattr(int fd, const char __user *name, 468 void __user *value, size_t size); 469 asmlinkage long sys_listxattr(const char __user *path, char __user *list, 470 size_t size); 471 asmlinkage long sys_llistxattr(const char __user *path, char __user *list, 472 size_t size); 473 asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size); 474 asmlinkage long sys_removexattr(const char __user *path, 475 const char __user *name); 476 asmlinkage long sys_lremovexattr(const char __user *path, 477 const char __user *name); 478 asmlinkage long sys_fremovexattr(int fd, const char __user *name); 479 480 asmlinkage long sys_brk(unsigned long brk); 481 asmlinkage long sys_mprotect(unsigned long start, size_t len, 482 unsigned long prot); 483 asmlinkage long sys_mremap(unsigned long addr, 484 unsigned long old_len, unsigned long new_len, 485 unsigned long flags, unsigned long new_addr); 486 asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size, 487 unsigned long prot, unsigned long pgoff, 488 unsigned long flags); 489 asmlinkage long sys_msync(unsigned long start, size_t len, int flags); 490 asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice); 491 asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice); 492 asmlinkage long sys_munmap(unsigned long addr, size_t len); 493 asmlinkage long sys_mlock(unsigned long start, size_t len); 494 asmlinkage long sys_munlock(unsigned long start, size_t len); 495 asmlinkage long sys_mlockall(int flags); 496 asmlinkage long sys_munlockall(void); 497 asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior); 498 asmlinkage long sys_mincore(unsigned long start, size_t len, 499 unsigned char __user * vec); 500 501 asmlinkage long sys_pivot_root(const char __user *new_root, 502 const char __user *put_old); 503 asmlinkage long sys_chroot(const char __user *filename); 504 asmlinkage long sys_mknod(const char __user *filename, umode_t mode, 505 unsigned dev); 506 asmlinkage long sys_link(const char __user *oldname, 507 const char __user *newname); 508 asmlinkage long sys_symlink(const char __user *old, const char __user *new); 509 asmlinkage long sys_unlink(const char __user *pathname); 510 asmlinkage long sys_rename(const char __user *oldname, 511 const char __user *newname); 512 asmlinkage long sys_chmod(const char __user *filename, umode_t mode); 513 asmlinkage long sys_fchmod(unsigned int fd, umode_t mode); 514 515 asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg); 516 #if BITS_PER_LONG == 32 517 asmlinkage long sys_fcntl64(unsigned int fd, 518 unsigned int cmd, unsigned long arg); 519 #endif 520 asmlinkage long sys_pipe(int __user *fildes); 521 asmlinkage long sys_pipe2(int __user *fildes, int flags); 522 asmlinkage long sys_dup(unsigned int fildes); 523 asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd); 524 asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags); 525 asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on); 526 asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd, 527 unsigned long arg); 528 asmlinkage long sys_flock(unsigned int fd, unsigned int cmd); 529 asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx); 530 asmlinkage long sys_io_destroy(aio_context_t ctx); 531 asmlinkage long sys_io_getevents(aio_context_t ctx_id, 532 long min_nr, 533 long nr, 534 struct io_event __user *events, 535 struct timespec __user *timeout); 536 asmlinkage long sys_io_submit(aio_context_t, long, 537 struct iocb __user * __user *); 538 asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb, 539 struct io_event __user *result); 540 asmlinkage long sys_sendfile(int out_fd, int in_fd, 541 off_t __user *offset, size_t count); 542 asmlinkage long sys_sendfile64(int out_fd, int in_fd, 543 loff_t __user *offset, size_t count); 544 asmlinkage long sys_readlink(const char __user *path, 545 char __user *buf, int bufsiz); 546 asmlinkage long sys_creat(const char __user *pathname, umode_t mode); 547 asmlinkage long sys_open(const char __user *filename, 548 int flags, umode_t mode); 549 asmlinkage long sys_close(unsigned int fd); 550 asmlinkage long sys_access(const char __user *filename, int mode); 551 asmlinkage long sys_vhangup(void); 552 asmlinkage long sys_chown(const char __user *filename, 553 uid_t user, gid_t group); 554 asmlinkage long sys_lchown(const char __user *filename, 555 uid_t user, gid_t group); 556 asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group); 557 #ifdef CONFIG_HAVE_UID16 558 asmlinkage long sys_chown16(const char __user *filename, 559 old_uid_t user, old_gid_t group); 560 asmlinkage long sys_lchown16(const char __user *filename, 561 old_uid_t user, old_gid_t group); 562 asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group); 563 asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid); 564 asmlinkage long sys_setgid16(old_gid_t gid); 565 asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid); 566 asmlinkage long sys_setuid16(old_uid_t uid); 567 asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid); 568 asmlinkage long sys_getresuid16(old_uid_t __user *ruid, 569 old_uid_t __user *euid, old_uid_t __user *suid); 570 asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid); 571 asmlinkage long sys_getresgid16(old_gid_t __user *rgid, 572 old_gid_t __user *egid, old_gid_t __user *sgid); 573 asmlinkage long sys_setfsuid16(old_uid_t uid); 574 asmlinkage long sys_setfsgid16(old_gid_t gid); 575 asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist); 576 asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist); 577 asmlinkage long sys_getuid16(void); 578 asmlinkage long sys_geteuid16(void); 579 asmlinkage long sys_getgid16(void); 580 asmlinkage long sys_getegid16(void); 581 #endif 582 583 asmlinkage long sys_utime(char __user *filename, 584 struct utimbuf __user *times); 585 asmlinkage long sys_utimes(char __user *filename, 586 struct timeval __user *utimes); 587 asmlinkage long sys_lseek(unsigned int fd, off_t offset, 588 unsigned int whence); 589 asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high, 590 unsigned long offset_low, loff_t __user *result, 591 unsigned int whence); 592 asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count); 593 asmlinkage long sys_readahead(int fd, loff_t offset, size_t count); 594 asmlinkage long sys_readv(unsigned long fd, 595 const struct iovec __user *vec, 596 unsigned long vlen); 597 asmlinkage long sys_write(unsigned int fd, const char __user *buf, 598 size_t count); 599 asmlinkage long sys_writev(unsigned long fd, 600 const struct iovec __user *vec, 601 unsigned long vlen); 602 asmlinkage long sys_pread64(unsigned int fd, char __user *buf, 603 size_t count, loff_t pos); 604 asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf, 605 size_t count, loff_t pos); 606 asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec, 607 unsigned long vlen, unsigned long pos_l, unsigned long pos_h); 608 asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec, 609 unsigned long vlen, unsigned long pos_l, unsigned long pos_h, 610 rwf_t flags); 611 asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec, 612 unsigned long vlen, unsigned long pos_l, unsigned long pos_h); 613 asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec, 614 unsigned long vlen, unsigned long pos_l, unsigned long pos_h, 615 rwf_t flags); 616 asmlinkage long sys_getcwd(char __user *buf, unsigned long size); 617 asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode); 618 asmlinkage long sys_chdir(const char __user *filename); 619 asmlinkage long sys_fchdir(unsigned int fd); 620 asmlinkage long sys_rmdir(const char __user *pathname); 621 asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user *buf, size_t len); 622 asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special, 623 qid_t id, void __user *addr); 624 asmlinkage long sys_getdents(unsigned int fd, 625 struct linux_dirent __user *dirent, 626 unsigned int count); 627 asmlinkage long sys_getdents64(unsigned int fd, 628 struct linux_dirent64 __user *dirent, 629 unsigned int count); 630 631 asmlinkage long sys_setsockopt(int fd, int level, int optname, 632 char __user *optval, int optlen); 633 asmlinkage long sys_getsockopt(int fd, int level, int optname, 634 char __user *optval, int __user *optlen); 635 asmlinkage long sys_bind(int, struct sockaddr __user *, int); 636 asmlinkage long sys_connect(int, struct sockaddr __user *, int); 637 asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *); 638 asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int); 639 asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *); 640 asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *); 641 asmlinkage long sys_send(int, void __user *, size_t, unsigned); 642 asmlinkage long sys_sendto(int, void __user *, size_t, unsigned, 643 struct sockaddr __user *, int); 644 asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags); 645 asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg, 646 unsigned int vlen, unsigned flags); 647 asmlinkage long sys_recv(int, void __user *, size_t, unsigned); 648 asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned, 649 struct sockaddr __user *, int __user *); 650 asmlinkage long sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags); 651 asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg, 652 unsigned int vlen, unsigned flags, 653 struct timespec __user *timeout); 654 asmlinkage long sys_socket(int, int, int); 655 asmlinkage long sys_socketpair(int, int, int, int __user *); 656 asmlinkage long sys_socketcall(int call, unsigned long __user *args); 657 asmlinkage long sys_listen(int, int); 658 asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds, 659 int timeout); 660 asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp, 661 fd_set __user *exp, struct timeval __user *tvp); 662 asmlinkage long sys_old_select(struct sel_arg_struct __user *arg); 663 asmlinkage long sys_epoll_create(int size); 664 asmlinkage long sys_epoll_create1(int flags); 665 asmlinkage long sys_epoll_ctl(int epfd, int op, int fd, 666 struct epoll_event __user *event); 667 asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events, 668 int maxevents, int timeout); 669 asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events, 670 int maxevents, int timeout, 671 const sigset_t __user *sigmask, 672 size_t sigsetsize); 673 asmlinkage long sys_gethostname(char __user *name, int len); 674 asmlinkage long sys_sethostname(char __user *name, int len); 675 asmlinkage long sys_setdomainname(char __user *name, int len); 676 asmlinkage long sys_newuname(struct new_utsname __user *name); 677 asmlinkage long sys_uname(struct old_utsname __user *); 678 asmlinkage long sys_olduname(struct oldold_utsname __user *); 679 680 asmlinkage long sys_getrlimit(unsigned int resource, 681 struct rlimit __user *rlim); 682 #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT 683 asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim); 684 #endif 685 asmlinkage long sys_setrlimit(unsigned int resource, 686 struct rlimit __user *rlim); 687 asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource, 688 const struct rlimit64 __user *new_rlim, 689 struct rlimit64 __user *old_rlim); 690 asmlinkage long sys_getrusage(int who, struct rusage __user *ru); 691 asmlinkage long sys_umask(int mask); 692 693 asmlinkage long sys_msgget(key_t key, int msgflg); 694 asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp, 695 size_t msgsz, int msgflg); 696 asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp, 697 size_t msgsz, long msgtyp, int msgflg); 698 asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); 699 700 asmlinkage long sys_semget(key_t key, int nsems, int semflg); 701 asmlinkage long sys_semop(int semid, struct sembuf __user *sops, 702 unsigned nsops); 703 asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg); 704 asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops, 705 unsigned nsops, 706 const struct timespec __user *timeout); 707 asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg); 708 asmlinkage long sys_shmget(key_t key, size_t size, int flag); 709 asmlinkage long sys_shmdt(char __user *shmaddr); 710 asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); 711 asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second, 712 unsigned long third, void __user *ptr, long fifth); 713 714 asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr); 715 asmlinkage long sys_mq_unlink(const char __user *name); 716 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); 717 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); 718 asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification); 719 asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat); 720 721 asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn); 722 asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn, 723 unsigned long off, unsigned long len, 724 void __user *buf); 725 asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn, 726 unsigned long off, unsigned long len, 727 void __user *buf); 728 729 asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3, 730 unsigned long arg4, unsigned long arg5); 731 asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags); 732 asmlinkage long sys_swapoff(const char __user *specialfile); 733 asmlinkage long sys_sysctl(struct __sysctl_args __user *args); 734 asmlinkage long sys_sysinfo(struct sysinfo __user *info); 735 asmlinkage long sys_sysfs(int option, 736 unsigned long arg1, unsigned long arg2); 737 asmlinkage long sys_syslog(int type, char __user *buf, int len); 738 asmlinkage long sys_uselib(const char __user *library); 739 asmlinkage long sys_ni_syscall(void); 740 asmlinkage long sys_ptrace(long request, long pid, unsigned long addr, 741 unsigned long data); 742 743 asmlinkage long sys_add_key(const char __user *_type, 744 const char __user *_description, 745 const void __user *_payload, 746 size_t plen, 747 key_serial_t destringid); 748 749 asmlinkage long sys_request_key(const char __user *_type, 750 const char __user *_description, 751 const char __user *_callout_info, 752 key_serial_t destringid); 753 754 asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3, 755 unsigned long arg4, unsigned long arg5); 756 757 asmlinkage long sys_ioprio_set(int which, int who, int ioprio); 758 asmlinkage long sys_ioprio_get(int which, int who); 759 asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask, 760 unsigned long maxnode); 761 asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode, 762 const unsigned long __user *from, 763 const unsigned long __user *to); 764 asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages, 765 const void __user * __user *pages, 766 const int __user *nodes, 767 int __user *status, 768 int flags); 769 asmlinkage long sys_mbind(unsigned long start, unsigned long len, 770 unsigned long mode, 771 const unsigned long __user *nmask, 772 unsigned long maxnode, 773 unsigned flags); 774 asmlinkage long sys_get_mempolicy(int __user *policy, 775 unsigned long __user *nmask, 776 unsigned long maxnode, 777 unsigned long addr, unsigned long flags); 778 779 asmlinkage long sys_inotify_init(void); 780 asmlinkage long sys_inotify_init1(int flags); 781 asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, 782 u32 mask); 783 asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd); 784 785 asmlinkage long sys_spu_run(int fd, __u32 __user *unpc, 786 __u32 __user *ustatus); 787 asmlinkage long sys_spu_create(const char __user *name, 788 unsigned int flags, umode_t mode, int fd); 789 790 asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode, 791 unsigned dev); 792 asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode); 793 asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag); 794 asmlinkage long sys_symlinkat(const char __user * oldname, 795 int newdfd, const char __user * newname); 796 asmlinkage long sys_linkat(int olddfd, const char __user *oldname, 797 int newdfd, const char __user *newname, int flags); 798 asmlinkage long sys_renameat(int olddfd, const char __user * oldname, 799 int newdfd, const char __user * newname); 800 asmlinkage long sys_renameat2(int olddfd, const char __user *oldname, 801 int newdfd, const char __user *newname, 802 unsigned int flags); 803 asmlinkage long sys_futimesat(int dfd, const char __user *filename, 804 struct timeval __user *utimes); 805 asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode); 806 asmlinkage long sys_fchmodat(int dfd, const char __user * filename, 807 umode_t mode); 808 asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user, 809 gid_t group, int flag); 810 asmlinkage long sys_openat(int dfd, const char __user *filename, int flags, 811 umode_t mode); 812 asmlinkage long sys_newfstatat(int dfd, const char __user *filename, 813 struct stat __user *statbuf, int flag); 814 asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf, 815 int bufsiz); 816 asmlinkage long sys_utimensat(int dfd, const char __user *filename, 817 struct timespec __user *utimes, int flags); 818 asmlinkage long sys_unshare(unsigned long unshare_flags); 819 820 asmlinkage long sys_splice(int fd_in, loff_t __user *off_in, 821 int fd_out, loff_t __user *off_out, 822 size_t len, unsigned int flags); 823 824 asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov, 825 unsigned long nr_segs, unsigned int flags); 826 827 asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags); 828 829 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes, 830 unsigned int flags); 831 asmlinkage long sys_sync_file_range2(int fd, unsigned int flags, 832 loff_t offset, loff_t nbytes); 833 asmlinkage long sys_get_robust_list(int pid, 834 struct robust_list_head __user * __user *head_ptr, 835 size_t __user *len_ptr); 836 asmlinkage long sys_set_robust_list(struct robust_list_head __user *head, 837 size_t len); 838 asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache); 839 asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask); 840 asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags); 841 asmlinkage long sys_timerfd_create(int clockid, int flags); 842 asmlinkage long sys_timerfd_settime(int ufd, int flags, 843 const struct itimerspec __user *utmr, 844 struct itimerspec __user *otmr); 845 asmlinkage long sys_timerfd_gettime(int ufd, struct itimerspec __user *otmr); 846 asmlinkage long sys_eventfd(unsigned int count); 847 asmlinkage long sys_eventfd2(unsigned int count, int flags); 848 asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags); 849 asmlinkage long sys_userfaultfd(int flags); 850 asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len); 851 asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int); 852 asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *, 853 fd_set __user *, struct timespec __user *, 854 void __user *); 855 asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int, 856 struct timespec __user *, const sigset_t __user *, 857 size_t); 858 asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags); 859 asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags, 860 u64 mask, int fd, 861 const char __user *pathname); 862 asmlinkage long sys_syncfs(int fd); 863 864 asmlinkage long sys_fork(void); 865 asmlinkage long sys_vfork(void); 866 #ifdef CONFIG_CLONE_BACKWARDS 867 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, unsigned long, 868 int __user *); 869 #else 870 #ifdef CONFIG_CLONE_BACKWARDS3 871 asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *, 872 int __user *, unsigned long); 873 #else 874 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, 875 int __user *, unsigned long); 876 #endif 877 #endif 878 879 asmlinkage long sys_execve(const char __user *filename, 880 const char __user *const __user *argv, 881 const char __user *const __user *envp); 882 883 asmlinkage long sys_perf_event_open( 884 struct perf_event_attr __user *attr_uptr, 885 pid_t pid, int cpu, int group_fd, unsigned long flags); 886 887 asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len, 888 unsigned long prot, unsigned long flags, 889 unsigned long fd, unsigned long pgoff); 890 asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg); 891 asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name, 892 struct file_handle __user *handle, 893 int __user *mnt_id, int flag); 894 asmlinkage long sys_open_by_handle_at(int mountdirfd, 895 struct file_handle __user *handle, 896 int flags); 897 asmlinkage long sys_setns(int fd, int nstype); 898 asmlinkage long sys_process_vm_readv(pid_t pid, 899 const struct iovec __user *lvec, 900 unsigned long liovcnt, 901 const struct iovec __user *rvec, 902 unsigned long riovcnt, 903 unsigned long flags); 904 asmlinkage long sys_process_vm_writev(pid_t pid, 905 const struct iovec __user *lvec, 906 unsigned long liovcnt, 907 const struct iovec __user *rvec, 908 unsigned long riovcnt, 909 unsigned long flags); 910 911 asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type, 912 unsigned long idx1, unsigned long idx2); 913 asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags); 914 asmlinkage long sys_seccomp(unsigned int op, unsigned int flags, 915 const char __user *uargs); 916 asmlinkage long sys_getrandom(char __user *buf, size_t count, 917 unsigned int flags); 918 asmlinkage long sys_bpf(int cmd, union bpf_attr *attr, unsigned int size); 919 920 asmlinkage long sys_execveat(int dfd, const char __user *filename, 921 const char __user *const __user *argv, 922 const char __user *const __user *envp, int flags); 923 924 asmlinkage long sys_membarrier(int cmd, int flags); 925 asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in, 926 int fd_out, loff_t __user *off_out, 927 size_t len, unsigned int flags); 928 929 asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags); 930 931 asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len, 932 unsigned long prot, int pkey); 933 asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val); 934 asmlinkage long sys_pkey_free(int pkey); 935 asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags, 936 unsigned mask, struct statx __user *buffer); 937 938 #endif 939