sys_ni.c (10386B)
1// SPDX-License-Identifier: GPL-2.0 2 3#include <linux/linkage.h> 4#include <linux/errno.h> 5 6#include <asm/unistd.h> 7 8#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER 9/* Architectures may override COND_SYSCALL and COND_SYSCALL_COMPAT */ 10#include <asm/syscall_wrapper.h> 11#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ 12 13/* we can't #include <linux/syscalls.h> here, 14 but tell gcc to not warn with -Wmissing-prototypes */ 15asmlinkage long sys_ni_syscall(void); 16 17/* 18 * Non-implemented system calls get redirected here. 19 */ 20asmlinkage long sys_ni_syscall(void) 21{ 22 return -ENOSYS; 23} 24 25#ifndef COND_SYSCALL 26#define COND_SYSCALL(name) cond_syscall(sys_##name) 27#endif /* COND_SYSCALL */ 28 29#ifndef COND_SYSCALL_COMPAT 30#define COND_SYSCALL_COMPAT(name) cond_syscall(compat_sys_##name) 31#endif /* COND_SYSCALL_COMPAT */ 32 33/* 34 * This list is kept in the same order as include/uapi/asm-generic/unistd.h. 35 * Architecture specific entries go below, followed by deprecated or obsolete 36 * system calls. 37 */ 38 39COND_SYSCALL(io_setup); 40COND_SYSCALL_COMPAT(io_setup); 41COND_SYSCALL(io_destroy); 42COND_SYSCALL(io_submit); 43COND_SYSCALL_COMPAT(io_submit); 44COND_SYSCALL(io_cancel); 45COND_SYSCALL(io_getevents_time32); 46COND_SYSCALL(io_getevents); 47COND_SYSCALL(io_pgetevents_time32); 48COND_SYSCALL(io_pgetevents); 49COND_SYSCALL_COMPAT(io_pgetevents_time32); 50COND_SYSCALL_COMPAT(io_pgetevents); 51COND_SYSCALL(io_uring_setup); 52COND_SYSCALL(io_uring_enter); 53COND_SYSCALL(io_uring_register); 54 55/* fs/xattr.c */ 56 57/* fs/dcache.c */ 58 59/* fs/cookies.c */ 60COND_SYSCALL(lookup_dcookie); 61COND_SYSCALL_COMPAT(lookup_dcookie); 62 63/* fs/eventfd.c */ 64COND_SYSCALL(eventfd2); 65 66/* fs/eventfd.c */ 67COND_SYSCALL(epoll_create1); 68COND_SYSCALL(epoll_ctl); 69COND_SYSCALL(epoll_pwait); 70COND_SYSCALL_COMPAT(epoll_pwait); 71COND_SYSCALL(epoll_pwait2); 72COND_SYSCALL_COMPAT(epoll_pwait2); 73 74/* fs/fcntl.c */ 75 76/* fs/inotify_user.c */ 77COND_SYSCALL(inotify_init1); 78COND_SYSCALL(inotify_add_watch); 79COND_SYSCALL(inotify_rm_watch); 80 81/* fs/ioctl.c */ 82 83/* fs/ioprio.c */ 84COND_SYSCALL(ioprio_set); 85COND_SYSCALL(ioprio_get); 86 87/* fs/locks.c */ 88COND_SYSCALL(flock); 89 90/* fs/namei.c */ 91 92/* fs/namespace.c */ 93 94/* fs/nfsctl.c */ 95 96/* fs/open.c */ 97 98/* fs/pipe.c */ 99 100/* fs/quota.c */ 101COND_SYSCALL(quotactl); 102COND_SYSCALL(quotactl_fd); 103 104/* fs/readdir.c */ 105 106/* fs/read_write.c */ 107 108/* fs/sendfile.c */ 109 110/* fs/select.c */ 111 112/* fs/signalfd.c */ 113COND_SYSCALL(signalfd4); 114COND_SYSCALL_COMPAT(signalfd4); 115 116/* fs/splice.c */ 117 118/* fs/stat.c */ 119 120/* fs/sync.c */ 121 122/* fs/timerfd.c */ 123COND_SYSCALL(timerfd_create); 124COND_SYSCALL(timerfd_settime); 125COND_SYSCALL(timerfd_settime32); 126COND_SYSCALL(timerfd_gettime); 127COND_SYSCALL(timerfd_gettime32); 128 129/* fs/utimes.c */ 130 131/* kernel/acct.c */ 132COND_SYSCALL(acct); 133 134/* kernel/capability.c */ 135COND_SYSCALL(capget); 136COND_SYSCALL(capset); 137 138/* kernel/exec_domain.c */ 139 140/* kernel/exit.c */ 141 142/* kernel/fork.c */ 143/* __ARCH_WANT_SYS_CLONE3 */ 144COND_SYSCALL(clone3); 145 146/* kernel/futex/syscalls.c */ 147COND_SYSCALL(futex); 148COND_SYSCALL(futex_time32); 149COND_SYSCALL(set_robust_list); 150COND_SYSCALL_COMPAT(set_robust_list); 151COND_SYSCALL(get_robust_list); 152COND_SYSCALL_COMPAT(get_robust_list); 153COND_SYSCALL(futex_waitv); 154 155/* kernel/hrtimer.c */ 156 157/* kernel/itimer.c */ 158 159/* kernel/kexec.c */ 160COND_SYSCALL(kexec_load); 161COND_SYSCALL_COMPAT(kexec_load); 162 163/* kernel/module.c */ 164COND_SYSCALL(init_module); 165COND_SYSCALL(delete_module); 166 167/* kernel/posix-timers.c */ 168 169/* kernel/printk.c */ 170COND_SYSCALL(syslog); 171 172/* kernel/ptrace.c */ 173 174/* kernel/sched/core.c */ 175 176/* kernel/sys.c */ 177COND_SYSCALL(setregid); 178COND_SYSCALL(setgid); 179COND_SYSCALL(setreuid); 180COND_SYSCALL(setuid); 181COND_SYSCALL(setresuid); 182COND_SYSCALL(getresuid); 183COND_SYSCALL(setresgid); 184COND_SYSCALL(getresgid); 185COND_SYSCALL(setfsuid); 186COND_SYSCALL(setfsgid); 187COND_SYSCALL(setgroups); 188COND_SYSCALL(getgroups); 189 190/* kernel/time.c */ 191 192/* kernel/timer.c */ 193 194/* ipc/mqueue.c */ 195COND_SYSCALL(mq_open); 196COND_SYSCALL_COMPAT(mq_open); 197COND_SYSCALL(mq_unlink); 198COND_SYSCALL(mq_timedsend); 199COND_SYSCALL(mq_timedsend_time32); 200COND_SYSCALL(mq_timedreceive); 201COND_SYSCALL(mq_timedreceive_time32); 202COND_SYSCALL(mq_notify); 203COND_SYSCALL_COMPAT(mq_notify); 204COND_SYSCALL(mq_getsetattr); 205COND_SYSCALL_COMPAT(mq_getsetattr); 206 207/* ipc/msg.c */ 208COND_SYSCALL(msgget); 209COND_SYSCALL(old_msgctl); 210COND_SYSCALL(msgctl); 211COND_SYSCALL_COMPAT(msgctl); 212COND_SYSCALL_COMPAT(old_msgctl); 213COND_SYSCALL(msgrcv); 214COND_SYSCALL_COMPAT(msgrcv); 215COND_SYSCALL(msgsnd); 216COND_SYSCALL_COMPAT(msgsnd); 217 218/* ipc/sem.c */ 219COND_SYSCALL(semget); 220COND_SYSCALL(old_semctl); 221COND_SYSCALL(semctl); 222COND_SYSCALL_COMPAT(semctl); 223COND_SYSCALL_COMPAT(old_semctl); 224COND_SYSCALL(semtimedop); 225COND_SYSCALL(semtimedop_time32); 226COND_SYSCALL(semop); 227 228/* ipc/shm.c */ 229COND_SYSCALL(shmget); 230COND_SYSCALL(old_shmctl); 231COND_SYSCALL(shmctl); 232COND_SYSCALL_COMPAT(shmctl); 233COND_SYSCALL_COMPAT(old_shmctl); 234COND_SYSCALL(shmat); 235COND_SYSCALL_COMPAT(shmat); 236COND_SYSCALL(shmdt); 237 238/* net/socket.c */ 239COND_SYSCALL(socket); 240COND_SYSCALL(socketpair); 241COND_SYSCALL(bind); 242COND_SYSCALL(listen); 243COND_SYSCALL(accept); 244COND_SYSCALL(connect); 245COND_SYSCALL(getsockname); 246COND_SYSCALL(getpeername); 247COND_SYSCALL(setsockopt); 248COND_SYSCALL_COMPAT(setsockopt); 249COND_SYSCALL(getsockopt); 250COND_SYSCALL_COMPAT(getsockopt); 251COND_SYSCALL(sendto); 252COND_SYSCALL(shutdown); 253COND_SYSCALL(recvfrom); 254COND_SYSCALL_COMPAT(recvfrom); 255COND_SYSCALL(sendmsg); 256COND_SYSCALL_COMPAT(sendmsg); 257COND_SYSCALL(recvmsg); 258COND_SYSCALL_COMPAT(recvmsg); 259 260/* mm/filemap.c */ 261 262/* mm/nommu.c, also with MMU */ 263COND_SYSCALL(mremap); 264 265/* security/keys/keyctl.c */ 266COND_SYSCALL(add_key); 267COND_SYSCALL(request_key); 268COND_SYSCALL(keyctl); 269COND_SYSCALL_COMPAT(keyctl); 270 271/* security/landlock/syscalls.c */ 272COND_SYSCALL(landlock_create_ruleset); 273COND_SYSCALL(landlock_add_rule); 274COND_SYSCALL(landlock_restrict_self); 275 276/* arch/example/kernel/sys_example.c */ 277 278/* mm/fadvise.c */ 279COND_SYSCALL(fadvise64_64); 280 281/* mm/, CONFIG_MMU only */ 282COND_SYSCALL(swapon); 283COND_SYSCALL(swapoff); 284COND_SYSCALL(mprotect); 285COND_SYSCALL(msync); 286COND_SYSCALL(mlock); 287COND_SYSCALL(munlock); 288COND_SYSCALL(mlockall); 289COND_SYSCALL(munlockall); 290COND_SYSCALL(mincore); 291COND_SYSCALL(madvise); 292COND_SYSCALL(process_madvise); 293COND_SYSCALL(process_mrelease); 294COND_SYSCALL(remap_file_pages); 295COND_SYSCALL(mbind); 296COND_SYSCALL(get_mempolicy); 297COND_SYSCALL(set_mempolicy); 298COND_SYSCALL(migrate_pages); 299COND_SYSCALL(move_pages); 300COND_SYSCALL(set_mempolicy_home_node); 301 302COND_SYSCALL(perf_event_open); 303COND_SYSCALL(accept4); 304COND_SYSCALL(recvmmsg); 305COND_SYSCALL(recvmmsg_time32); 306COND_SYSCALL_COMPAT(recvmmsg_time32); 307COND_SYSCALL_COMPAT(recvmmsg_time64); 308 309/* 310 * Architecture specific syscalls: see further below 311 */ 312 313/* fanotify */ 314COND_SYSCALL(fanotify_init); 315COND_SYSCALL(fanotify_mark); 316 317/* open by handle */ 318COND_SYSCALL(name_to_handle_at); 319COND_SYSCALL(open_by_handle_at); 320COND_SYSCALL_COMPAT(open_by_handle_at); 321 322COND_SYSCALL(sendmmsg); 323COND_SYSCALL_COMPAT(sendmmsg); 324COND_SYSCALL(process_vm_readv); 325COND_SYSCALL_COMPAT(process_vm_readv); 326COND_SYSCALL(process_vm_writev); 327COND_SYSCALL_COMPAT(process_vm_writev); 328 329/* compare kernel pointers */ 330COND_SYSCALL(kcmp); 331 332COND_SYSCALL(finit_module); 333 334/* operate on Secure Computing state */ 335COND_SYSCALL(seccomp); 336 337COND_SYSCALL(memfd_create); 338 339/* access BPF programs and maps */ 340COND_SYSCALL(bpf); 341 342/* execveat */ 343COND_SYSCALL(execveat); 344 345COND_SYSCALL(userfaultfd); 346 347/* membarrier */ 348COND_SYSCALL(membarrier); 349 350COND_SYSCALL(mlock2); 351 352COND_SYSCALL(copy_file_range); 353 354/* memory protection keys */ 355COND_SYSCALL(pkey_mprotect); 356COND_SYSCALL(pkey_alloc); 357COND_SYSCALL(pkey_free); 358 359/* memfd_secret */ 360COND_SYSCALL(memfd_secret); 361 362/* 363 * Architecture specific weak syscall entries. 364 */ 365 366/* pciconfig: alpha, arm, arm64, ia64, sparc */ 367COND_SYSCALL(pciconfig_read); 368COND_SYSCALL(pciconfig_write); 369COND_SYSCALL(pciconfig_iobase); 370 371/* sys_socketcall: arm, mips, x86, ... */ 372COND_SYSCALL(socketcall); 373COND_SYSCALL_COMPAT(socketcall); 374 375/* compat syscalls for arm64, x86, ... */ 376COND_SYSCALL_COMPAT(fanotify_mark); 377 378/* x86 */ 379COND_SYSCALL(vm86old); 380COND_SYSCALL(modify_ldt); 381COND_SYSCALL(vm86); 382COND_SYSCALL(kexec_file_load); 383 384/* s390 */ 385COND_SYSCALL(s390_pci_mmio_read); 386COND_SYSCALL(s390_pci_mmio_write); 387COND_SYSCALL(s390_ipc); 388COND_SYSCALL_COMPAT(s390_ipc); 389 390/* powerpc */ 391COND_SYSCALL(rtas); 392COND_SYSCALL(spu_run); 393COND_SYSCALL(spu_create); 394COND_SYSCALL(subpage_prot); 395 396 397/* 398 * Deprecated system calls which are still defined in 399 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch 400 */ 401 402/* __ARCH_WANT_SYSCALL_NO_FLAGS */ 403COND_SYSCALL(epoll_create); 404COND_SYSCALL(inotify_init); 405COND_SYSCALL(eventfd); 406COND_SYSCALL(signalfd); 407COND_SYSCALL_COMPAT(signalfd); 408 409/* __ARCH_WANT_SYSCALL_OFF_T */ 410COND_SYSCALL(fadvise64); 411 412/* __ARCH_WANT_SYSCALL_DEPRECATED */ 413COND_SYSCALL(epoll_wait); 414COND_SYSCALL(recv); 415COND_SYSCALL_COMPAT(recv); 416COND_SYSCALL(send); 417COND_SYSCALL(uselib); 418 419/* optional: time32 */ 420COND_SYSCALL(time32); 421COND_SYSCALL(stime32); 422COND_SYSCALL(utime32); 423COND_SYSCALL(adjtimex_time32); 424COND_SYSCALL(sched_rr_get_interval_time32); 425COND_SYSCALL(nanosleep_time32); 426COND_SYSCALL(rt_sigtimedwait_time32); 427COND_SYSCALL_COMPAT(rt_sigtimedwait_time32); 428COND_SYSCALL(timer_settime32); 429COND_SYSCALL(timer_gettime32); 430COND_SYSCALL(clock_settime32); 431COND_SYSCALL(clock_gettime32); 432COND_SYSCALL(clock_getres_time32); 433COND_SYSCALL(clock_nanosleep_time32); 434COND_SYSCALL(utimes_time32); 435COND_SYSCALL(futimesat_time32); 436COND_SYSCALL(pselect6_time32); 437COND_SYSCALL_COMPAT(pselect6_time32); 438COND_SYSCALL(ppoll_time32); 439COND_SYSCALL_COMPAT(ppoll_time32); 440COND_SYSCALL(utimensat_time32); 441COND_SYSCALL(clock_adjtime32); 442 443/* 444 * The syscalls below are not found in include/uapi/asm-generic/unistd.h 445 */ 446 447/* obsolete: SGETMASK_SYSCALL */ 448COND_SYSCALL(sgetmask); 449COND_SYSCALL(ssetmask); 450 451/* obsolete: SYSFS_SYSCALL */ 452COND_SYSCALL(sysfs); 453 454/* obsolete: __ARCH_WANT_SYS_IPC */ 455COND_SYSCALL(ipc); 456COND_SYSCALL_COMPAT(ipc); 457 458/* obsolete: UID16 */ 459COND_SYSCALL(chown16); 460COND_SYSCALL(fchown16); 461COND_SYSCALL(getegid16); 462COND_SYSCALL(geteuid16); 463COND_SYSCALL(getgid16); 464COND_SYSCALL(getgroups16); 465COND_SYSCALL(getresgid16); 466COND_SYSCALL(getresuid16); 467COND_SYSCALL(getuid16); 468COND_SYSCALL(lchown16); 469COND_SYSCALL(setfsgid16); 470COND_SYSCALL(setfsuid16); 471COND_SYSCALL(setgid16); 472COND_SYSCALL(setgroups16); 473COND_SYSCALL(setregid16); 474COND_SYSCALL(setresgid16); 475COND_SYSCALL(setresuid16); 476COND_SYSCALL(setreuid16); 477COND_SYSCALL(setuid16); 478 479/* restartable sequence */ 480COND_SYSCALL(rseq);