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 */
sys_ni_syscall(void)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_time32);
46 COND_SYSCALL(io_getevents);
47 COND_SYSCALL(io_pgetevents_time32);
48 COND_SYSCALL(io_pgetevents);
49 COND_SYSCALL_COMPAT(io_pgetevents_time32);
50 COND_SYSCALL_COMPAT(io_pgetevents);
51 COND_SYSCALL(io_uring_setup);
52 COND_SYSCALL(io_uring_enter);
53 COND_SYSCALL(io_uring_register);
54
55 /* fs/xattr.c */
56
57 /* fs/dcache.c */
58
59 /* fs/cookies.c */
60 COND_SYSCALL(lookup_dcookie);
61 COND_SYSCALL_COMPAT(lookup_dcookie);
62
63 /* fs/eventfd.c */
64 COND_SYSCALL(eventfd2);
65
66 /* fs/eventfd.c */
67 COND_SYSCALL(epoll_create1);
68 COND_SYSCALL(epoll_ctl);
69 COND_SYSCALL(epoll_pwait);
70 COND_SYSCALL_COMPAT(epoll_pwait);
71
72 /* fs/fcntl.c */
73
74 /* fs/inotify_user.c */
75 COND_SYSCALL(inotify_init1);
76 COND_SYSCALL(inotify_add_watch);
77 COND_SYSCALL(inotify_rm_watch);
78
79 /* fs/ioctl.c */
80
81 /* fs/ioprio.c */
82 COND_SYSCALL(ioprio_set);
83 COND_SYSCALL(ioprio_get);
84
85 /* fs/locks.c */
86 COND_SYSCALL(flock);
87
88 /* fs/namei.c */
89
90 /* fs/namespace.c */
91
92 /* fs/nfsctl.c */
93
94 /* fs/open.c */
95
96 /* fs/pipe.c */
97
98 /* fs/quota.c */
99 COND_SYSCALL(quotactl);
100
101 /* fs/readdir.c */
102
103 /* fs/read_write.c */
104
105 /* fs/sendfile.c */
106
107 /* fs/select.c */
108
109 /* fs/signalfd.c */
110 COND_SYSCALL(signalfd4);
111 COND_SYSCALL_COMPAT(signalfd4);
112
113 /* fs/splice.c */
114
115 /* fs/stat.c */
116
117 /* fs/sync.c */
118
119 /* fs/timerfd.c */
120 COND_SYSCALL(timerfd_create);
121 COND_SYSCALL(timerfd_settime);
122 COND_SYSCALL(timerfd_settime32);
123 COND_SYSCALL(timerfd_gettime);
124 COND_SYSCALL(timerfd_gettime32);
125
126 /* fs/utimes.c */
127
128 /* kernel/acct.c */
129 COND_SYSCALL(acct);
130
131 /* kernel/capability.c */
132 COND_SYSCALL(capget);
133 COND_SYSCALL(capset);
134
135 /* kernel/exec_domain.c */
136
137 /* kernel/exit.c */
138
139 /* kernel/fork.c */
140 /* __ARCH_WANT_SYS_CLONE3 */
141 COND_SYSCALL(clone3);
142
143 /* kernel/futex.c */
144 COND_SYSCALL(futex);
145 COND_SYSCALL(futex_time32);
146 COND_SYSCALL(set_robust_list);
147 COND_SYSCALL_COMPAT(set_robust_list);
148 COND_SYSCALL(get_robust_list);
149 COND_SYSCALL_COMPAT(get_robust_list);
150
151 /* kernel/hrtimer.c */
152
153 /* kernel/itimer.c */
154
155 /* kernel/kexec.c */
156 COND_SYSCALL(kexec_load);
157 COND_SYSCALL_COMPAT(kexec_load);
158
159 /* kernel/module.c */
160 COND_SYSCALL(init_module);
161 COND_SYSCALL(delete_module);
162
163 /* kernel/posix-timers.c */
164
165 /* kernel/printk.c */
166 COND_SYSCALL(syslog);
167
168 /* kernel/ptrace.c */
169
170 /* kernel/sched/core.c */
171
172 /* kernel/sys.c */
173 COND_SYSCALL(setregid);
174 COND_SYSCALL(setgid);
175 COND_SYSCALL(setreuid);
176 COND_SYSCALL(setuid);
177 COND_SYSCALL(setresuid);
178 COND_SYSCALL(getresuid);
179 COND_SYSCALL(setresgid);
180 COND_SYSCALL(getresgid);
181 COND_SYSCALL(setfsuid);
182 COND_SYSCALL(setfsgid);
183 COND_SYSCALL(setgroups);
184 COND_SYSCALL(getgroups);
185
186 /* kernel/time.c */
187
188 /* kernel/timer.c */
189
190 /* ipc/mqueue.c */
191 COND_SYSCALL(mq_open);
192 COND_SYSCALL_COMPAT(mq_open);
193 COND_SYSCALL(mq_unlink);
194 COND_SYSCALL(mq_timedsend);
195 COND_SYSCALL(mq_timedsend_time32);
196 COND_SYSCALL(mq_timedreceive);
197 COND_SYSCALL(mq_timedreceive_time32);
198 COND_SYSCALL(mq_notify);
199 COND_SYSCALL_COMPAT(mq_notify);
200 COND_SYSCALL(mq_getsetattr);
201 COND_SYSCALL_COMPAT(mq_getsetattr);
202
203 /* ipc/msg.c */
204 COND_SYSCALL(msgget);
205 COND_SYSCALL(old_msgctl);
206 COND_SYSCALL(msgctl);
207 COND_SYSCALL_COMPAT(msgctl);
208 COND_SYSCALL_COMPAT(old_msgctl);
209 COND_SYSCALL(msgrcv);
210 COND_SYSCALL_COMPAT(msgrcv);
211 COND_SYSCALL(msgsnd);
212 COND_SYSCALL_COMPAT(msgsnd);
213
214 /* ipc/sem.c */
215 COND_SYSCALL(semget);
216 COND_SYSCALL(old_semctl);
217 COND_SYSCALL(semctl);
218 COND_SYSCALL_COMPAT(semctl);
219 COND_SYSCALL_COMPAT(old_semctl);
220 COND_SYSCALL(semtimedop);
221 COND_SYSCALL(semtimedop_time32);
222 COND_SYSCALL(semop);
223
224 /* ipc/shm.c */
225 COND_SYSCALL(shmget);
226 COND_SYSCALL(old_shmctl);
227 COND_SYSCALL(shmctl);
228 COND_SYSCALL_COMPAT(shmctl);
229 COND_SYSCALL_COMPAT(old_shmctl);
230 COND_SYSCALL(shmat);
231 COND_SYSCALL_COMPAT(shmat);
232 COND_SYSCALL(shmdt);
233
234 /* net/socket.c */
235 COND_SYSCALL(socket);
236 COND_SYSCALL(socketpair);
237 COND_SYSCALL(bind);
238 COND_SYSCALL(listen);
239 COND_SYSCALL(accept);
240 COND_SYSCALL(connect);
241 COND_SYSCALL(getsockname);
242 COND_SYSCALL(getpeername);
243 COND_SYSCALL(setsockopt);
244 COND_SYSCALL_COMPAT(setsockopt);
245 COND_SYSCALL(getsockopt);
246 COND_SYSCALL_COMPAT(getsockopt);
247 COND_SYSCALL(sendto);
248 COND_SYSCALL(shutdown);
249 COND_SYSCALL(recvfrom);
250 COND_SYSCALL_COMPAT(recvfrom);
251 COND_SYSCALL(sendmsg);
252 COND_SYSCALL_COMPAT(sendmsg);
253 COND_SYSCALL(recvmsg);
254 COND_SYSCALL_COMPAT(recvmsg);
255
256 /* mm/filemap.c */
257
258 /* mm/nommu.c, also with MMU */
259 COND_SYSCALL(mremap);
260
261 /* security/keys/keyctl.c */
262 COND_SYSCALL(add_key);
263 COND_SYSCALL(request_key);
264 COND_SYSCALL(keyctl);
265 COND_SYSCALL_COMPAT(keyctl);
266
267 /* arch/example/kernel/sys_example.c */
268
269 /* mm/fadvise.c */
270 COND_SYSCALL(fadvise64_64);
271 COND_SYSCALL_COMPAT(fadvise64_64);
272
273 /* mm/, CONFIG_MMU only */
274 COND_SYSCALL(swapon);
275 COND_SYSCALL(swapoff);
276 COND_SYSCALL(mprotect);
277 COND_SYSCALL(msync);
278 COND_SYSCALL(mlock);
279 COND_SYSCALL(munlock);
280 COND_SYSCALL(mlockall);
281 COND_SYSCALL(munlockall);
282 COND_SYSCALL(mincore);
283 COND_SYSCALL(madvise);
284 COND_SYSCALL(process_madvise);
285 COND_SYSCALL(process_mrelease);
286 COND_SYSCALL(remap_file_pages);
287 COND_SYSCALL(mbind);
288 COND_SYSCALL_COMPAT(mbind);
289 COND_SYSCALL(get_mempolicy);
290 COND_SYSCALL_COMPAT(get_mempolicy);
291 COND_SYSCALL(set_mempolicy);
292 COND_SYSCALL_COMPAT(set_mempolicy);
293 COND_SYSCALL(migrate_pages);
294 COND_SYSCALL_COMPAT(migrate_pages);
295 COND_SYSCALL(move_pages);
296 COND_SYSCALL_COMPAT(move_pages);
297
298 COND_SYSCALL(perf_event_open);
299 COND_SYSCALL(accept4);
300 COND_SYSCALL(recvmmsg);
301 COND_SYSCALL(recvmmsg_time32);
302 COND_SYSCALL_COMPAT(recvmmsg_time32);
303 COND_SYSCALL_COMPAT(recvmmsg_time64);
304
305 /*
306 * Architecture specific syscalls: see further below
307 */
308
309 /* fanotify */
310 COND_SYSCALL(fanotify_init);
311 COND_SYSCALL(fanotify_mark);
312
313 /* open by handle */
314 COND_SYSCALL(name_to_handle_at);
315 COND_SYSCALL(open_by_handle_at);
316 COND_SYSCALL_COMPAT(open_by_handle_at);
317
318 COND_SYSCALL(sendmmsg);
319 COND_SYSCALL_COMPAT(sendmmsg);
320 COND_SYSCALL(process_vm_readv);
321 COND_SYSCALL_COMPAT(process_vm_readv);
322 COND_SYSCALL(process_vm_writev);
323 COND_SYSCALL_COMPAT(process_vm_writev);
324
325 /* compare kernel pointers */
326 COND_SYSCALL(kcmp);
327
328 COND_SYSCALL(finit_module);
329
330 /* operate on Secure Computing state */
331 COND_SYSCALL(seccomp);
332
333 COND_SYSCALL(memfd_create);
334
335 /* access BPF programs and maps */
336 COND_SYSCALL(bpf);
337
338 /* execveat */
339 COND_SYSCALL(execveat);
340
341 COND_SYSCALL(userfaultfd);
342
343 /* membarrier */
344 COND_SYSCALL(membarrier);
345
346 COND_SYSCALL(mlock2);
347
348 COND_SYSCALL(copy_file_range);
349
350 /* memory protection keys */
351 COND_SYSCALL(pkey_mprotect);
352 COND_SYSCALL(pkey_alloc);
353 COND_SYSCALL(pkey_free);
354
355
356 /*
357 * Architecture specific weak syscall entries.
358 */
359
360 /* pciconfig: alpha, arm, arm64, ia64, sparc */
361 COND_SYSCALL(pciconfig_read);
362 COND_SYSCALL(pciconfig_write);
363 COND_SYSCALL(pciconfig_iobase);
364
365 /* sys_socketcall: arm, mips, x86, ... */
366 COND_SYSCALL(socketcall);
367 COND_SYSCALL_COMPAT(socketcall);
368
369 /* compat syscalls for arm64, x86, ... */
370 COND_SYSCALL_COMPAT(fanotify_mark);
371
372 /* x86 */
373 COND_SYSCALL(vm86old);
374 COND_SYSCALL(modify_ldt);
375 COND_SYSCALL(vm86);
376 COND_SYSCALL(kexec_file_load);
377
378 /* s390 */
379 COND_SYSCALL(s390_pci_mmio_read);
380 COND_SYSCALL(s390_pci_mmio_write);
381 COND_SYSCALL(s390_ipc);
382 COND_SYSCALL_COMPAT(s390_ipc);
383
384 /* powerpc */
385 COND_SYSCALL(rtas);
386 COND_SYSCALL(spu_run);
387 COND_SYSCALL(spu_create);
388 COND_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 */
397 COND_SYSCALL(epoll_create);
398 COND_SYSCALL(inotify_init);
399 COND_SYSCALL(eventfd);
400 COND_SYSCALL(signalfd);
401 COND_SYSCALL_COMPAT(signalfd);
402
403 /* __ARCH_WANT_SYSCALL_OFF_T */
404 COND_SYSCALL(fadvise64);
405
406 /* __ARCH_WANT_SYSCALL_DEPRECATED */
407 COND_SYSCALL(epoll_wait);
408 COND_SYSCALL(recv);
409 COND_SYSCALL_COMPAT(recv);
410 COND_SYSCALL(send);
411 COND_SYSCALL(bdflush);
412 COND_SYSCALL(uselib);
413
414 /* optional: time32 */
415 COND_SYSCALL(time32);
416 COND_SYSCALL(stime32);
417 COND_SYSCALL(utime32);
418 COND_SYSCALL(adjtimex_time32);
419 COND_SYSCALL(sched_rr_get_interval_time32);
420 COND_SYSCALL(nanosleep_time32);
421 COND_SYSCALL(rt_sigtimedwait_time32);
422 COND_SYSCALL_COMPAT(rt_sigtimedwait_time32);
423 COND_SYSCALL(timer_settime32);
424 COND_SYSCALL(timer_gettime32);
425 COND_SYSCALL(clock_settime32);
426 COND_SYSCALL(clock_gettime32);
427 COND_SYSCALL(clock_getres_time32);
428 COND_SYSCALL(clock_nanosleep_time32);
429 COND_SYSCALL(utimes_time32);
430 COND_SYSCALL(futimesat_time32);
431 COND_SYSCALL(pselect6_time32);
432 COND_SYSCALL_COMPAT(pselect6_time32);
433 COND_SYSCALL(ppoll_time32);
434 COND_SYSCALL_COMPAT(ppoll_time32);
435 COND_SYSCALL(utimensat_time32);
436 COND_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 */
443 COND_SYSCALL(sgetmask);
444 COND_SYSCALL(ssetmask);
445
446 /* obsolete: SYSFS_SYSCALL */
447 COND_SYSCALL(sysfs);
448
449 /* obsolete: __ARCH_WANT_SYS_IPC */
450 COND_SYSCALL(ipc);
451 COND_SYSCALL_COMPAT(ipc);
452
453 /* obsolete: UID16 */
454 COND_SYSCALL(chown16);
455 COND_SYSCALL(fchown16);
456 COND_SYSCALL(getegid16);
457 COND_SYSCALL(geteuid16);
458 COND_SYSCALL(getgid16);
459 COND_SYSCALL(getgroups16);
460 COND_SYSCALL(getresgid16);
461 COND_SYSCALL(getresuid16);
462 COND_SYSCALL(getuid16);
463 COND_SYSCALL(lchown16);
464 COND_SYSCALL(setfsgid16);
465 COND_SYSCALL(setfsuid16);
466 COND_SYSCALL(setgid16);
467 COND_SYSCALL(setgroups16);
468 COND_SYSCALL(setregid16);
469 COND_SYSCALL(setresgid16);
470 COND_SYSCALL(setresuid16);
471 COND_SYSCALL(setreuid16);
472 COND_SYSCALL(setuid16);
473
474 /* restartable sequence */
475 COND_SYSCALL(rseq);
476