9791364925dc1b27ff8a086355954c925e88a70f
[muen/linux.git] / kernel / sys_ni.c
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  */
15 asmlinkage long sys_ni_syscall(void);
16
17 /*
18  * Non-implemented system calls get redirected here.
19  */
20 asmlinkage 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
39 COND_SYSCALL(io_setup);
40 COND_SYSCALL_COMPAT(io_setup);
41 COND_SYSCALL(io_destroy);
42 COND_SYSCALL(io_submit);
43 COND_SYSCALL_COMPAT(io_submit);
44 COND_SYSCALL(io_cancel);
45 COND_SYSCALL(io_getevents);
46 COND_SYSCALL_COMPAT(io_getevents);
47
48 /* fs/xattr.c */
49
50 /* fs/dcache.c */
51
52 /* fs/cookies.c */
53 COND_SYSCALL(lookup_dcookie);
54 COND_SYSCALL_COMPAT(lookup_dcookie);
55
56 /* fs/eventfd.c */
57 COND_SYSCALL(eventfd2);
58
59 /* fs/eventfd.c */
60 COND_SYSCALL(epoll_create1);
61 COND_SYSCALL(epoll_ctl);
62 COND_SYSCALL(epoll_pwait);
63 COND_SYSCALL_COMPAT(epoll_pwait);
64
65 /* fs/fcntl.c */
66
67 /* fs/inotify_user.c */
68 COND_SYSCALL(inotify_init1);
69 COND_SYSCALL(inotify_add_watch);
70 COND_SYSCALL(inotify_rm_watch);
71
72 /* fs/ioctl.c */
73
74 /* fs/ioprio.c */
75 COND_SYSCALL(ioprio_set);
76 COND_SYSCALL(ioprio_get);
77
78 /* fs/locks.c */
79 COND_SYSCALL(flock);
80
81 /* fs/namei.c */
82
83 /* fs/namespace.c */
84
85 /* fs/nfsctl.c */
86
87 /* fs/open.c */
88
89 /* fs/pipe.c */
90
91 /* fs/quota.c */
92 COND_SYSCALL(quotactl);
93
94 /* fs/readdir.c */
95
96 /* fs/read_write.c */
97
98 /* fs/sendfile.c */
99
100 /* fs/select.c */
101
102 /* fs/signalfd.c */
103 COND_SYSCALL(signalfd4);
104 COND_SYSCALL_COMPAT(signalfd4);
105
106 /* fs/splice.c */
107
108 /* fs/stat.c */
109
110 /* fs/sync.c */
111
112 /* fs/timerfd.c */
113 COND_SYSCALL(timerfd_create);
114 COND_SYSCALL(timerfd_settime);
115 COND_SYSCALL_COMPAT(timerfd_settime);
116 COND_SYSCALL(timerfd_gettime);
117 COND_SYSCALL_COMPAT(timerfd_gettime);
118
119 /* fs/utimes.c */
120
121 /* kernel/acct.c */
122 COND_SYSCALL(acct);
123
124 /* kernel/capability.c */
125 COND_SYSCALL(capget);
126 COND_SYSCALL(capset);
127
128 /* kernel/exec_domain.c */
129
130 /* kernel/exit.c */
131
132 /* kernel/fork.c */
133
134 /* kernel/futex.c */
135 COND_SYSCALL(futex);
136 COND_SYSCALL_COMPAT(futex);
137 COND_SYSCALL(set_robust_list);
138 COND_SYSCALL_COMPAT(set_robust_list);
139 COND_SYSCALL(get_robust_list);
140 COND_SYSCALL_COMPAT(get_robust_list);
141
142 /* kernel/hrtimer.c */
143
144 /* kernel/itimer.c */
145
146 /* kernel/kexec.c */
147 COND_SYSCALL(kexec_load);
148 COND_SYSCALL_COMPAT(kexec_load);
149
150 /* kernel/module.c */
151 COND_SYSCALL(init_module);
152 COND_SYSCALL(delete_module);
153
154 /* kernel/posix-timers.c */
155
156 /* kernel/printk.c */
157 COND_SYSCALL(syslog);
158
159 /* kernel/ptrace.c */
160
161 /* kernel/sched/core.c */
162
163 /* kernel/signal.c */
164
165 /* kernel/sys.c */
166 COND_SYSCALL(setregid);
167 COND_SYSCALL(setgid);
168 COND_SYSCALL(setreuid);
169 COND_SYSCALL(setuid);
170 COND_SYSCALL(setresuid);
171 COND_SYSCALL(getresuid);
172 COND_SYSCALL(setresgid);
173 COND_SYSCALL(getresgid);
174 COND_SYSCALL(setfsuid);
175 COND_SYSCALL(setfsgid);
176 COND_SYSCALL(setgroups);
177 COND_SYSCALL(getgroups);
178
179 /* kernel/time.c */
180
181 /* kernel/timer.c */
182
183 /* ipc/mqueue.c */
184 COND_SYSCALL(mq_open);
185 COND_SYSCALL_COMPAT(mq_open);
186 COND_SYSCALL(mq_unlink);
187 COND_SYSCALL(mq_timedsend);
188 COND_SYSCALL_COMPAT(mq_timedsend);
189 COND_SYSCALL(mq_timedreceive);
190 COND_SYSCALL_COMPAT(mq_timedreceive);
191 COND_SYSCALL(mq_notify);
192 COND_SYSCALL_COMPAT(mq_notify);
193 COND_SYSCALL(mq_getsetattr);
194 COND_SYSCALL_COMPAT(mq_getsetattr);
195
196 /* ipc/msg.c */
197 COND_SYSCALL(msgget);
198 COND_SYSCALL(msgctl);
199 COND_SYSCALL_COMPAT(msgctl);
200 COND_SYSCALL(msgrcv);
201 COND_SYSCALL_COMPAT(msgrcv);
202 COND_SYSCALL(msgsnd);
203 COND_SYSCALL_COMPAT(msgsnd);
204
205 /* ipc/sem.c */
206 COND_SYSCALL(semget);
207 COND_SYSCALL(semctl);
208 COND_SYSCALL_COMPAT(semctl);
209 COND_SYSCALL(semtimedop);
210 COND_SYSCALL_COMPAT(semtimedop);
211 COND_SYSCALL(semop);
212
213 /* ipc/shm.c */
214 COND_SYSCALL(shmget);
215 COND_SYSCALL(shmctl);
216 COND_SYSCALL_COMPAT(shmctl);
217 COND_SYSCALL(shmat);
218 COND_SYSCALL_COMPAT(shmat);
219 COND_SYSCALL(shmdt);
220
221 /* net/socket.c */
222 COND_SYSCALL(socket);
223 COND_SYSCALL(socketpair);
224 COND_SYSCALL(bind);
225 COND_SYSCALL(listen);
226 COND_SYSCALL(accept);
227 COND_SYSCALL(connect);
228 COND_SYSCALL(getsockname);
229 COND_SYSCALL(getpeername);
230 COND_SYSCALL(setsockopt);
231 COND_SYSCALL_COMPAT(setsockopt);
232 COND_SYSCALL(getsockopt);
233 COND_SYSCALL_COMPAT(getsockopt);
234 COND_SYSCALL(sendto);
235 COND_SYSCALL(shutdown);
236 COND_SYSCALL(recvfrom);
237 COND_SYSCALL_COMPAT(recvfrom);
238 COND_SYSCALL(sendmsg);
239 COND_SYSCALL_COMPAT(sendmsg);
240 COND_SYSCALL(recvmsg);
241 COND_SYSCALL_COMPAT(recvmsg);
242
243 /* mm/filemap.c */
244
245 /* mm/nommu.c, also with MMU */
246 COND_SYSCALL(mremap);
247
248 /* security/keys/keyctl.c */
249 COND_SYSCALL(add_key);
250 COND_SYSCALL(request_key);
251 COND_SYSCALL(keyctl);
252 COND_SYSCALL_COMPAT(keyctl);
253
254 /* arch/example/kernel/sys_example.c */
255
256 /* mm/fadvise.c */
257 COND_SYSCALL(fadvise64_64);
258
259 /* mm/, CONFIG_MMU only */
260 COND_SYSCALL(swapon);
261 COND_SYSCALL(swapoff);
262 COND_SYSCALL(mprotect);
263 COND_SYSCALL(msync);
264 COND_SYSCALL(mlock);
265 COND_SYSCALL(munlock);
266 COND_SYSCALL(mlockall);
267 COND_SYSCALL(munlockall);
268 COND_SYSCALL(mincore);
269 COND_SYSCALL(madvise);
270 COND_SYSCALL(remap_file_pages);
271 COND_SYSCALL(mbind);
272 COND_SYSCALL_COMPAT(mbind);
273 COND_SYSCALL(get_mempolicy);
274 COND_SYSCALL_COMPAT(get_mempolicy);
275 COND_SYSCALL(set_mempolicy);
276 COND_SYSCALL_COMPAT(set_mempolicy);
277 COND_SYSCALL(migrate_pages);
278 COND_SYSCALL_COMPAT(migrate_pages);
279 COND_SYSCALL(move_pages);
280 COND_SYSCALL_COMPAT(move_pages);
281
282 COND_SYSCALL(perf_event_open);
283 COND_SYSCALL(accept4);
284 COND_SYSCALL(recvmmsg);
285 COND_SYSCALL_COMPAT(recvmmsg);
286
287 /*
288  * Architecture specific syscalls: see further below
289  */
290
291 /* fanotify */
292 COND_SYSCALL(fanotify_init);
293 COND_SYSCALL(fanotify_mark);
294
295 /* open by handle */
296 COND_SYSCALL(name_to_handle_at);
297 COND_SYSCALL(open_by_handle_at);
298 COND_SYSCALL_COMPAT(open_by_handle_at);
299
300 COND_SYSCALL(sendmmsg);
301 COND_SYSCALL_COMPAT(sendmmsg);
302 COND_SYSCALL(process_vm_readv);
303 COND_SYSCALL_COMPAT(process_vm_readv);
304 COND_SYSCALL(process_vm_writev);
305 COND_SYSCALL_COMPAT(process_vm_writev);
306
307 /* compare kernel pointers */
308 COND_SYSCALL(kcmp);
309
310 COND_SYSCALL(finit_module);
311
312 /* operate on Secure Computing state */
313 COND_SYSCALL(seccomp);
314
315 COND_SYSCALL(memfd_create);
316
317 /* access BPF programs and maps */
318 COND_SYSCALL(bpf);
319
320 /* execveat */
321 COND_SYSCALL(execveat);
322
323 COND_SYSCALL(userfaultfd);
324
325 /* membarrier */
326 COND_SYSCALL(membarrier);
327
328 COND_SYSCALL(mlock2);
329
330 COND_SYSCALL(copy_file_range);
331
332 /* memory protection keys */
333 COND_SYSCALL(pkey_mprotect);
334 COND_SYSCALL(pkey_alloc);
335 COND_SYSCALL(pkey_free);
336
337
338 /*
339  * Architecture specific weak syscall entries.
340  */
341
342 /* pciconfig: alpha, arm, arm64, ia64, sparc */
343 COND_SYSCALL(pciconfig_read);
344 COND_SYSCALL(pciconfig_write);
345 COND_SYSCALL(pciconfig_iobase);
346
347 /* sys_socketcall: arm, mips, x86, ... */
348 COND_SYSCALL(socketcall);
349 COND_SYSCALL_COMPAT(socketcall);
350
351 /* compat syscalls for arm64, x86, ... */
352 COND_SYSCALL_COMPAT(sysctl);
353 COND_SYSCALL_COMPAT(fanotify_mark);
354
355 /* x86 */
356 COND_SYSCALL(vm86old);
357 COND_SYSCALL(modify_ldt);
358 COND_SYSCALL_COMPAT(quotactl32);
359 COND_SYSCALL(vm86);
360 COND_SYSCALL(kexec_file_load);
361
362 /* s390 */
363 COND_SYSCALL(s390_pci_mmio_read);
364 COND_SYSCALL(s390_pci_mmio_write);
365 COND_SYSCALL_COMPAT(s390_ipc);
366
367 /* powerpc */
368 cond_syscall(ppc_rtas);
369 COND_SYSCALL(spu_run);
370 COND_SYSCALL(spu_create);
371 COND_SYSCALL(subpage_prot);
372
373
374 /*
375  * Deprecated system calls which are still defined in
376  * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
377  */
378
379 /* __ARCH_WANT_SYSCALL_NO_FLAGS */
380 COND_SYSCALL(epoll_create);
381 COND_SYSCALL(inotify_init);
382 COND_SYSCALL(eventfd);
383 COND_SYSCALL(signalfd);
384 COND_SYSCALL_COMPAT(signalfd);
385
386 /* __ARCH_WANT_SYSCALL_OFF_T */
387 COND_SYSCALL(fadvise64);
388
389 /* __ARCH_WANT_SYSCALL_DEPRECATED */
390 COND_SYSCALL(epoll_wait);
391 COND_SYSCALL(recv);
392 COND_SYSCALL_COMPAT(recv);
393 COND_SYSCALL(send);
394 COND_SYSCALL(bdflush);
395 COND_SYSCALL(uselib);
396
397
398 /*
399  * The syscalls below are not found in include/uapi/asm-generic/unistd.h
400  */
401
402 /* obsolete: SGETMASK_SYSCALL */
403 COND_SYSCALL(sgetmask);
404 COND_SYSCALL(ssetmask);
405
406 /* obsolete: SYSFS_SYSCALL */
407 COND_SYSCALL(sysfs);
408
409 /* obsolete: __ARCH_WANT_SYS_IPC */
410 COND_SYSCALL(ipc);
411 COND_SYSCALL_COMPAT(ipc);
412
413 /* obsolete: UID16 */
414 COND_SYSCALL(chown16);
415 COND_SYSCALL(fchown16);
416 COND_SYSCALL(getegid16);
417 COND_SYSCALL(geteuid16);
418 COND_SYSCALL(getgid16);
419 COND_SYSCALL(getgroups16);
420 COND_SYSCALL(getresgid16);
421 COND_SYSCALL(getresuid16);
422 COND_SYSCALL(getuid16);
423 COND_SYSCALL(lchown16);
424 COND_SYSCALL(setfsgid16);
425 COND_SYSCALL(setfsuid16);
426 COND_SYSCALL(setgid16);
427 COND_SYSCALL(setgroups16);
428 COND_SYSCALL(setregid16);
429 COND_SYSCALL(setresgid16);
430 COND_SYSCALL(setresuid16);
431 COND_SYSCALL(setreuid16);
432 COND_SYSCALL(setuid16);