kernel/sys_ni.c at v5.11 · tjh.dev/kernel

tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
kernel / kernel / sys_ni.c
at v5.11 10 kB view raw
  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);
102
103/* fs/readdir.c */
104
105/* fs/read_write.c */
106
107/* fs/sendfile.c */
108
109/* fs/select.c */
110
111/* fs/signalfd.c */
112COND_SYSCALL(signalfd4);
113COND_SYSCALL_COMPAT(signalfd4);
114
115/* fs/splice.c */
116
117/* fs/stat.c */
118
119/* fs/sync.c */
120
121/* fs/timerfd.c */
122COND_SYSCALL(timerfd_create);
123COND_SYSCALL(timerfd_settime);
124COND_SYSCALL(timerfd_settime32);
125COND_SYSCALL(timerfd_gettime);
126COND_SYSCALL(timerfd_gettime32);
127
128/* fs/utimes.c */
129
130/* kernel/acct.c */
131COND_SYSCALL(acct);
132
133/* kernel/capability.c */
134COND_SYSCALL(capget);
135COND_SYSCALL(capset);
136
137/* kernel/exec_domain.c */
138
139/* kernel/exit.c */
140
141/* kernel/fork.c */
142/* __ARCH_WANT_SYS_CLONE3 */
143COND_SYSCALL(clone3);
144
145/* kernel/futex.c */
146COND_SYSCALL(futex);
147COND_SYSCALL(futex_time32);
148COND_SYSCALL(set_robust_list);
149COND_SYSCALL_COMPAT(set_robust_list);
150COND_SYSCALL(get_robust_list);
151COND_SYSCALL_COMPAT(get_robust_list);
152
153/* kernel/hrtimer.c */
154
155/* kernel/itimer.c */
156
157/* kernel/kexec.c */
158COND_SYSCALL(kexec_load);
159COND_SYSCALL_COMPAT(kexec_load);
160
161/* kernel/module.c */
162COND_SYSCALL(init_module);
163COND_SYSCALL(delete_module);
164
165/* kernel/posix-timers.c */
166
167/* kernel/printk.c */
168COND_SYSCALL(syslog);
169
170/* kernel/ptrace.c */
171
172/* kernel/sched/core.c */
173
174/* kernel/sys.c */
175COND_SYSCALL(setregid);
176COND_SYSCALL(setgid);
177COND_SYSCALL(setreuid);
178COND_SYSCALL(setuid);
179COND_SYSCALL(setresuid);
180COND_SYSCALL(getresuid);
181COND_SYSCALL(setresgid);
182COND_SYSCALL(getresgid);
183COND_SYSCALL(setfsuid);
184COND_SYSCALL(setfsgid);
185COND_SYSCALL(setgroups);
186COND_SYSCALL(getgroups);
187
188/* kernel/time.c */
189
190/* kernel/timer.c */
191
192/* ipc/mqueue.c */
193COND_SYSCALL(mq_open);
194COND_SYSCALL_COMPAT(mq_open);
195COND_SYSCALL(mq_unlink);
196COND_SYSCALL(mq_timedsend);
197COND_SYSCALL(mq_timedsend_time32);
198COND_SYSCALL(mq_timedreceive);
199COND_SYSCALL(mq_timedreceive_time32);
200COND_SYSCALL(mq_notify);
201COND_SYSCALL_COMPAT(mq_notify);
202COND_SYSCALL(mq_getsetattr);
203COND_SYSCALL_COMPAT(mq_getsetattr);
204
205/* ipc/msg.c */
206COND_SYSCALL(msgget);
207COND_SYSCALL(old_msgctl);
208COND_SYSCALL(msgctl);
209COND_SYSCALL_COMPAT(msgctl);
210COND_SYSCALL_COMPAT(old_msgctl);
211COND_SYSCALL(msgrcv);
212COND_SYSCALL_COMPAT(msgrcv);
213COND_SYSCALL(msgsnd);
214COND_SYSCALL_COMPAT(msgsnd);
215
216/* ipc/sem.c */
217COND_SYSCALL(semget);
218COND_SYSCALL(old_semctl);
219COND_SYSCALL(semctl);
220COND_SYSCALL_COMPAT(semctl);
221COND_SYSCALL_COMPAT(old_semctl);
222COND_SYSCALL(semtimedop);
223COND_SYSCALL(semtimedop_time32);
224COND_SYSCALL(semop);
225
226/* ipc/shm.c */
227COND_SYSCALL(shmget);
228COND_SYSCALL(old_shmctl);
229COND_SYSCALL(shmctl);
230COND_SYSCALL_COMPAT(shmctl);
231COND_SYSCALL_COMPAT(old_shmctl);
232COND_SYSCALL(shmat);
233COND_SYSCALL_COMPAT(shmat);
234COND_SYSCALL(shmdt);
235
236/* net/socket.c */
237COND_SYSCALL(socket);
238COND_SYSCALL(socketpair);
239COND_SYSCALL(bind);
240COND_SYSCALL(listen);
241COND_SYSCALL(accept);
242COND_SYSCALL(connect);
243COND_SYSCALL(getsockname);
244COND_SYSCALL(getpeername);
245COND_SYSCALL(setsockopt);
246COND_SYSCALL_COMPAT(setsockopt);
247COND_SYSCALL(getsockopt);
248COND_SYSCALL_COMPAT(getsockopt);
249COND_SYSCALL(sendto);
250COND_SYSCALL(shutdown);
251COND_SYSCALL(recvfrom);
252COND_SYSCALL_COMPAT(recvfrom);
253COND_SYSCALL(sendmsg);
254COND_SYSCALL_COMPAT(sendmsg);
255COND_SYSCALL(recvmsg);
256COND_SYSCALL_COMPAT(recvmsg);
257
258/* mm/filemap.c */
259
260/* mm/nommu.c, also with MMU */
261COND_SYSCALL(mremap);
262
263/* security/keys/keyctl.c */
264COND_SYSCALL(add_key);
265COND_SYSCALL(request_key);
266COND_SYSCALL(keyctl);
267COND_SYSCALL_COMPAT(keyctl);
268
269/* arch/example/kernel/sys_example.c */
270
271/* mm/fadvise.c */
272COND_SYSCALL(fadvise64_64);
273
274/* mm/, CONFIG_MMU only */
275COND_SYSCALL(swapon);
276COND_SYSCALL(swapoff);
277COND_SYSCALL(mprotect);
278COND_SYSCALL(msync);
279COND_SYSCALL(mlock);
280COND_SYSCALL(munlock);
281COND_SYSCALL(mlockall);
282COND_SYSCALL(munlockall);
283COND_SYSCALL(mincore);
284COND_SYSCALL(madvise);
285COND_SYSCALL(process_madvise);
286COND_SYSCALL(remap_file_pages);
287COND_SYSCALL(mbind);
288COND_SYSCALL_COMPAT(mbind);
289COND_SYSCALL(get_mempolicy);
290COND_SYSCALL_COMPAT(get_mempolicy);
291COND_SYSCALL(set_mempolicy);
292COND_SYSCALL_COMPAT(set_mempolicy);
293COND_SYSCALL(migrate_pages);
294COND_SYSCALL_COMPAT(migrate_pages);
295COND_SYSCALL(move_pages);
296COND_SYSCALL_COMPAT(move_pages);
297
298COND_SYSCALL(perf_event_open);
299COND_SYSCALL(accept4);
300COND_SYSCALL(recvmmsg);
301COND_SYSCALL(recvmmsg_time32);
302COND_SYSCALL_COMPAT(recvmmsg_time32);
303COND_SYSCALL_COMPAT(recvmmsg_time64);
304
305/*
306 * Architecture specific syscalls: see further below
307 */
308
309/* fanotify */
310COND_SYSCALL(fanotify_init);
311COND_SYSCALL(fanotify_mark);
312
313/* open by handle */
314COND_SYSCALL(name_to_handle_at);
315COND_SYSCALL(open_by_handle_at);
316COND_SYSCALL_COMPAT(open_by_handle_at);
317
318COND_SYSCALL(sendmmsg);
319COND_SYSCALL_COMPAT(sendmmsg);
320COND_SYSCALL(process_vm_readv);
321COND_SYSCALL_COMPAT(process_vm_readv);
322COND_SYSCALL(process_vm_writev);
323COND_SYSCALL_COMPAT(process_vm_writev);
324
325/* compare kernel pointers */
326COND_SYSCALL(kcmp);
327
328COND_SYSCALL(finit_module);
329
330/* operate on Secure Computing state */
331COND_SYSCALL(seccomp);
332
333COND_SYSCALL(memfd_create);
334
335/* access BPF programs and maps */
336COND_SYSCALL(bpf);
337
338/* execveat */
339COND_SYSCALL(execveat);
340
341COND_SYSCALL(userfaultfd);
342
343/* membarrier */
344COND_SYSCALL(membarrier);
345
346COND_SYSCALL(mlock2);
347
348COND_SYSCALL(copy_file_range);
349
350/* memory protection keys */
351COND_SYSCALL(pkey_mprotect);
352COND_SYSCALL(pkey_alloc);
353COND_SYSCALL(pkey_free);
354
355
356/*
357 * Architecture specific weak syscall entries.
358 */
359
360/* pciconfig: alpha, arm, arm64, ia64, sparc */
361COND_SYSCALL(pciconfig_read);
362COND_SYSCALL(pciconfig_write);
363COND_SYSCALL(pciconfig_iobase);
364
365/* sys_socketcall: arm, mips, x86, ... */
366COND_SYSCALL(socketcall);
367COND_SYSCALL_COMPAT(socketcall);
368
369/* compat syscalls for arm64, x86, ... */
370COND_SYSCALL_COMPAT(fanotify_mark);
371
372/* x86 */
373COND_SYSCALL(vm86old);
374COND_SYSCALL(modify_ldt);
375COND_SYSCALL(vm86);
376COND_SYSCALL(kexec_file_load);
377
378/* s390 */
379COND_SYSCALL(s390_pci_mmio_read);
380COND_SYSCALL(s390_pci_mmio_write);
381COND_SYSCALL(s390_ipc);
382COND_SYSCALL_COMPAT(s390_ipc);
383
384/* powerpc */
385COND_SYSCALL(rtas);
386COND_SYSCALL(spu_run);
387COND_SYSCALL(spu_create);
388COND_SYSCALL(subpage_prot);
389
390
391/*
392 * Deprecated system calls which are still defined in
393 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
394 */
395
396/* __ARCH_WANT_SYSCALL_NO_FLAGS */
397COND_SYSCALL(epoll_create);
398COND_SYSCALL(inotify_init);
399COND_SYSCALL(eventfd);
400COND_SYSCALL(signalfd);
401COND_SYSCALL_COMPAT(signalfd);
402
403/* __ARCH_WANT_SYSCALL_OFF_T */
404COND_SYSCALL(fadvise64);
405
406/* __ARCH_WANT_SYSCALL_DEPRECATED */
407COND_SYSCALL(epoll_wait);
408COND_SYSCALL(recv);
409COND_SYSCALL_COMPAT(recv);
410COND_SYSCALL(send);
411COND_SYSCALL(bdflush);
412COND_SYSCALL(uselib);
413
414/* optional: time32 */
415COND_SYSCALL(time32);
416COND_SYSCALL(stime32);
417COND_SYSCALL(utime32);
418COND_SYSCALL(adjtimex_time32);
419COND_SYSCALL(sched_rr_get_interval_time32);
420COND_SYSCALL(nanosleep_time32);
421COND_SYSCALL(rt_sigtimedwait_time32);
422COND_SYSCALL_COMPAT(rt_sigtimedwait_time32);
423COND_SYSCALL(timer_settime32);
424COND_SYSCALL(timer_gettime32);
425COND_SYSCALL(clock_settime32);
426COND_SYSCALL(clock_gettime32);
427COND_SYSCALL(clock_getres_time32);
428COND_SYSCALL(clock_nanosleep_time32);
429COND_SYSCALL(utimes_time32);
430COND_SYSCALL(futimesat_time32);
431COND_SYSCALL(pselect6_time32);
432COND_SYSCALL_COMPAT(pselect6_time32);
433COND_SYSCALL(ppoll_time32);
434COND_SYSCALL_COMPAT(ppoll_time32);
435COND_SYSCALL(utimensat_time32);
436COND_SYSCALL(clock_adjtime32);
437
438/*
439 * The syscalls below are not found in include/uapi/asm-generic/unistd.h
440 */
441
442/* obsolete: SGETMASK_SYSCALL */
443COND_SYSCALL(sgetmask);
444COND_SYSCALL(ssetmask);
445
446/* obsolete: SYSFS_SYSCALL */
447COND_SYSCALL(sysfs);
448
449/* obsolete: __ARCH_WANT_SYS_IPC */
450COND_SYSCALL(ipc);
451COND_SYSCALL_COMPAT(ipc);
452
453/* obsolete: UID16 */
454COND_SYSCALL(chown16);
455COND_SYSCALL(fchown16);
456COND_SYSCALL(getegid16);
457COND_SYSCALL(geteuid16);
458COND_SYSCALL(getgid16);
459COND_SYSCALL(getgroups16);
460COND_SYSCALL(getresgid16);
461COND_SYSCALL(getresuid16);
462COND_SYSCALL(getuid16);
463COND_SYSCALL(lchown16);
464COND_SYSCALL(setfsgid16);
465COND_SYSCALL(setfsuid16);
466COND_SYSCALL(setgid16);
467COND_SYSCALL(setgroups16);
468COND_SYSCALL(setregid16);
469COND_SYSCALL(setresgid16);
470COND_SYSCALL(setresuid16);
471COND_SYSCALL(setreuid16);
472COND_SYSCALL(setuid16);
473
474/* restartable sequence */
475COND_SYSCALL(rseq);