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);
71
72/* fs/fcntl.c */
73
74/* fs/inotify_user.c */
75COND_SYSCALL(inotify_init1);
76COND_SYSCALL(inotify_add_watch);
77COND_SYSCALL(inotify_rm_watch);
78
79/* fs/ioctl.c */
80
81/* fs/ioprio.c */
82COND_SYSCALL(ioprio_set);
83COND_SYSCALL(ioprio_get);
84
85/* fs/locks.c */
86COND_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 */
99COND_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 */
110COND_SYSCALL(signalfd4);
111COND_SYSCALL_COMPAT(signalfd4);
112
113/* fs/splice.c */
114
115/* fs/stat.c */
116
117/* fs/sync.c */
118
119/* fs/timerfd.c */
120COND_SYSCALL(timerfd_create);
121COND_SYSCALL(timerfd_settime);
122COND_SYSCALL(timerfd_settime32);
123COND_SYSCALL(timerfd_gettime);
124COND_SYSCALL(timerfd_gettime32);
125
126/* fs/utimes.c */
127
128/* kernel/acct.c */
129COND_SYSCALL(acct);
130
131/* kernel/capability.c */
132COND_SYSCALL(capget);
133COND_SYSCALL(capset);
134
135/* kernel/exec_domain.c */
136
137/* kernel/exit.c */
138
139/* kernel/fork.c */
140
141/* kernel/futex.c */
142COND_SYSCALL(futex);
143COND_SYSCALL(futex_time32);
144COND_SYSCALL(set_robust_list);
145COND_SYSCALL_COMPAT(set_robust_list);
146COND_SYSCALL(get_robust_list);
147COND_SYSCALL_COMPAT(get_robust_list);
148
149/* kernel/hrtimer.c */
150
151/* kernel/itimer.c */
152
153/* kernel/kexec.c */
154COND_SYSCALL(kexec_load);
155COND_SYSCALL_COMPAT(kexec_load);
156
157/* kernel/module.c */
158COND_SYSCALL(init_module);
159COND_SYSCALL(delete_module);
160
161/* kernel/posix-timers.c */
162
163/* kernel/printk.c */
164COND_SYSCALL(syslog);
165
166/* kernel/ptrace.c */
167
168/* kernel/sched/core.c */
169
170/* kernel/signal.c */
171COND_SYSCALL(pidfd_send_signal);
172
173/* kernel/sys.c */
174COND_SYSCALL(setregid);
175COND_SYSCALL(setgid);
176COND_SYSCALL(setreuid);
177COND_SYSCALL(setuid);
178COND_SYSCALL(setresuid);
179COND_SYSCALL(getresuid);
180COND_SYSCALL(setresgid);
181COND_SYSCALL(getresgid);
182COND_SYSCALL(setfsuid);
183COND_SYSCALL(setfsgid);
184COND_SYSCALL(setgroups);
185COND_SYSCALL(getgroups);
186
187/* kernel/time.c */
188
189/* kernel/timer.c */
190
191/* ipc/mqueue.c */
192COND_SYSCALL(mq_open);
193COND_SYSCALL_COMPAT(mq_open);
194COND_SYSCALL(mq_unlink);
195COND_SYSCALL(mq_timedsend);
196COND_SYSCALL(mq_timedsend_time32);
197COND_SYSCALL(mq_timedreceive);
198COND_SYSCALL(mq_timedreceive_time32);
199COND_SYSCALL(mq_notify);
200COND_SYSCALL_COMPAT(mq_notify);
201COND_SYSCALL(mq_getsetattr);
202COND_SYSCALL_COMPAT(mq_getsetattr);
203
204/* ipc/msg.c */
205COND_SYSCALL(msgget);
206COND_SYSCALL(old_msgctl);
207COND_SYSCALL(msgctl);
208COND_SYSCALL_COMPAT(msgctl);
209COND_SYSCALL_COMPAT(old_msgctl);
210COND_SYSCALL(msgrcv);
211COND_SYSCALL_COMPAT(msgrcv);
212COND_SYSCALL(msgsnd);
213COND_SYSCALL_COMPAT(msgsnd);
214
215/* ipc/sem.c */
216COND_SYSCALL(semget);
217COND_SYSCALL(old_semctl);
218COND_SYSCALL(semctl);
219COND_SYSCALL_COMPAT(semctl);
220COND_SYSCALL_COMPAT(old_semctl);
221COND_SYSCALL(semtimedop);
222COND_SYSCALL(semtimedop_time32);
223COND_SYSCALL(semop);
224
225/* ipc/shm.c */
226COND_SYSCALL(shmget);
227COND_SYSCALL(old_shmctl);
228COND_SYSCALL(shmctl);
229COND_SYSCALL_COMPAT(shmctl);
230COND_SYSCALL_COMPAT(old_shmctl);
231COND_SYSCALL(shmat);
232COND_SYSCALL_COMPAT(shmat);
233COND_SYSCALL(shmdt);
234
235/* net/socket.c */
236COND_SYSCALL(socket);
237COND_SYSCALL(socketpair);
238COND_SYSCALL(bind);
239COND_SYSCALL(listen);
240COND_SYSCALL(accept);
241COND_SYSCALL(connect);
242COND_SYSCALL(getsockname);
243COND_SYSCALL(getpeername);
244COND_SYSCALL(setsockopt);
245COND_SYSCALL_COMPAT(setsockopt);
246COND_SYSCALL(getsockopt);
247COND_SYSCALL_COMPAT(getsockopt);
248COND_SYSCALL(sendto);
249COND_SYSCALL(shutdown);
250COND_SYSCALL(recvfrom);
251COND_SYSCALL_COMPAT(recvfrom);
252COND_SYSCALL(sendmsg);
253COND_SYSCALL_COMPAT(sendmsg);
254COND_SYSCALL(recvmsg);
255COND_SYSCALL_COMPAT(recvmsg);
256
257/* mm/filemap.c */
258
259/* mm/nommu.c, also with MMU */
260COND_SYSCALL(mremap);
261
262/* security/keys/keyctl.c */
263COND_SYSCALL(add_key);
264COND_SYSCALL(request_key);
265COND_SYSCALL(keyctl);
266COND_SYSCALL_COMPAT(keyctl);
267
268/* arch/example/kernel/sys_example.c */
269
270/* mm/fadvise.c */
271COND_SYSCALL(fadvise64_64);
272
273/* mm/, CONFIG_MMU only */
274COND_SYSCALL(swapon);
275COND_SYSCALL(swapoff);
276COND_SYSCALL(mprotect);
277COND_SYSCALL(msync);
278COND_SYSCALL(mlock);
279COND_SYSCALL(munlock);
280COND_SYSCALL(mlockall);
281COND_SYSCALL(munlockall);
282COND_SYSCALL(mincore);
283COND_SYSCALL(madvise);
284COND_SYSCALL(remap_file_pages);
285COND_SYSCALL(mbind);
286COND_SYSCALL_COMPAT(mbind);
287COND_SYSCALL(get_mempolicy);
288COND_SYSCALL_COMPAT(get_mempolicy);
289COND_SYSCALL(set_mempolicy);
290COND_SYSCALL_COMPAT(set_mempolicy);
291COND_SYSCALL(migrate_pages);
292COND_SYSCALL_COMPAT(migrate_pages);
293COND_SYSCALL(move_pages);
294COND_SYSCALL_COMPAT(move_pages);
295
296COND_SYSCALL(perf_event_open);
297COND_SYSCALL(accept4);
298COND_SYSCALL(recvmmsg);
299COND_SYSCALL(recvmmsg_time32);
300COND_SYSCALL_COMPAT(recvmmsg_time32);
301COND_SYSCALL_COMPAT(recvmmsg_time64);
302
303/*
304 * Architecture specific syscalls: see further below
305 */
306
307/* fanotify */
308COND_SYSCALL(fanotify_init);
309COND_SYSCALL(fanotify_mark);
310
311/* open by handle */
312COND_SYSCALL(name_to_handle_at);
313COND_SYSCALL(open_by_handle_at);
314COND_SYSCALL_COMPAT(open_by_handle_at);
315
316COND_SYSCALL(sendmmsg);
317COND_SYSCALL_COMPAT(sendmmsg);
318COND_SYSCALL(process_vm_readv);
319COND_SYSCALL_COMPAT(process_vm_readv);
320COND_SYSCALL(process_vm_writev);
321COND_SYSCALL_COMPAT(process_vm_writev);
322
323/* compare kernel pointers */
324COND_SYSCALL(kcmp);
325
326COND_SYSCALL(finit_module);
327
328/* operate on Secure Computing state */
329COND_SYSCALL(seccomp);
330
331COND_SYSCALL(memfd_create);
332
333/* access BPF programs and maps */
334COND_SYSCALL(bpf);
335
336/* execveat */
337COND_SYSCALL(execveat);
338
339COND_SYSCALL(userfaultfd);
340
341/* membarrier */
342COND_SYSCALL(membarrier);
343
344COND_SYSCALL(mlock2);
345
346COND_SYSCALL(copy_file_range);
347
348/* memory protection keys */
349COND_SYSCALL(pkey_mprotect);
350COND_SYSCALL(pkey_alloc);
351COND_SYSCALL(pkey_free);
352
353
354/*
355 * Architecture specific weak syscall entries.
356 */
357
358/* pciconfig: alpha, arm, arm64, ia64, sparc */
359COND_SYSCALL(pciconfig_read);
360COND_SYSCALL(pciconfig_write);
361COND_SYSCALL(pciconfig_iobase);
362
363/* sys_socketcall: arm, mips, x86, ... */
364COND_SYSCALL(socketcall);
365COND_SYSCALL_COMPAT(socketcall);
366
367/* compat syscalls for arm64, x86, ... */
368COND_SYSCALL_COMPAT(sysctl);
369COND_SYSCALL_COMPAT(fanotify_mark);
370
371/* x86 */
372COND_SYSCALL(vm86old);
373COND_SYSCALL(modify_ldt);
374COND_SYSCALL_COMPAT(quotactl32);
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
415/*
416 * The syscalls below are not found in include/uapi/asm-generic/unistd.h
417 */
418
419/* obsolete: SGETMASK_SYSCALL */
420COND_SYSCALL(sgetmask);
421COND_SYSCALL(ssetmask);
422
423/* obsolete: SYSFS_SYSCALL */
424COND_SYSCALL(sysfs);
425
426/* obsolete: __ARCH_WANT_SYS_IPC */
427COND_SYSCALL(ipc);
428COND_SYSCALL_COMPAT(ipc);
429
430/* obsolete: UID16 */
431COND_SYSCALL(chown16);
432COND_SYSCALL(fchown16);
433COND_SYSCALL(getegid16);
434COND_SYSCALL(geteuid16);
435COND_SYSCALL(getgid16);
436COND_SYSCALL(getgroups16);
437COND_SYSCALL(getresgid16);
438COND_SYSCALL(getresuid16);
439COND_SYSCALL(getuid16);
440COND_SYSCALL(lchown16);
441COND_SYSCALL(setfsgid16);
442COND_SYSCALL(setfsuid16);
443COND_SYSCALL(setgid16);
444COND_SYSCALL(setgroups16);
445COND_SYSCALL(setregid16);
446COND_SYSCALL(setresgid16);
447COND_SYSCALL(setresuid16);
448COND_SYSCALL(setreuid16);
449COND_SYSCALL(setuid16);
450
451/* restartable sequence */
452COND_SYSCALL(rseq);
453