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);
54COND_SYSCALL(eventfd2);
55COND_SYSCALL(epoll_create1);
56COND_SYSCALL(epoll_ctl);
57COND_SYSCALL(epoll_pwait);
58COND_SYSCALL_COMPAT(epoll_pwait);
59COND_SYSCALL(epoll_pwait2);
60COND_SYSCALL_COMPAT(epoll_pwait2);
61COND_SYSCALL(inotify_init1);
62COND_SYSCALL(inotify_add_watch);
63COND_SYSCALL(inotify_rm_watch);
64COND_SYSCALL(ioprio_set);
65COND_SYSCALL(ioprio_get);
66COND_SYSCALL(flock);
67COND_SYSCALL(quotactl);
68COND_SYSCALL(quotactl_fd);
69COND_SYSCALL(signalfd4);
70COND_SYSCALL_COMPAT(signalfd4);
71COND_SYSCALL(timerfd_create);
72COND_SYSCALL(timerfd_settime);
73COND_SYSCALL(timerfd_settime32);
74COND_SYSCALL(timerfd_gettime);
75COND_SYSCALL(timerfd_gettime32);
76COND_SYSCALL(acct);
77COND_SYSCALL(capget);
78COND_SYSCALL(capset);
79/* __ARCH_WANT_SYS_CLONE3 */
80COND_SYSCALL(clone3);
81COND_SYSCALL(futex);
82COND_SYSCALL(futex_time32);
83COND_SYSCALL(set_robust_list);
84COND_SYSCALL_COMPAT(set_robust_list);
85COND_SYSCALL(get_robust_list);
86COND_SYSCALL_COMPAT(get_robust_list);
87COND_SYSCALL(futex_waitv);
88COND_SYSCALL(futex_wake);
89COND_SYSCALL(futex_wait);
90COND_SYSCALL(futex_requeue);
91COND_SYSCALL(kexec_load);
92COND_SYSCALL_COMPAT(kexec_load);
93COND_SYSCALL(init_module);
94COND_SYSCALL(delete_module);
95COND_SYSCALL(syslog);
96COND_SYSCALL(setregid);
97COND_SYSCALL(setgid);
98COND_SYSCALL(setreuid);
99COND_SYSCALL(setuid);
100COND_SYSCALL(setresuid);
101COND_SYSCALL(getresuid);
102COND_SYSCALL(setresgid);
103COND_SYSCALL(getresgid);
104COND_SYSCALL(setfsuid);
105COND_SYSCALL(setfsgid);
106COND_SYSCALL(setgroups);
107COND_SYSCALL(getgroups);
108COND_SYSCALL(mq_open);
109COND_SYSCALL_COMPAT(mq_open);
110COND_SYSCALL(mq_unlink);
111COND_SYSCALL(mq_timedsend);
112COND_SYSCALL(mq_timedsend_time32);
113COND_SYSCALL(mq_timedreceive);
114COND_SYSCALL(mq_timedreceive_time32);
115COND_SYSCALL(mq_notify);
116COND_SYSCALL_COMPAT(mq_notify);
117COND_SYSCALL(mq_getsetattr);
118COND_SYSCALL_COMPAT(mq_getsetattr);
119COND_SYSCALL(msgget);
120COND_SYSCALL(old_msgctl);
121COND_SYSCALL(msgctl);
122COND_SYSCALL_COMPAT(msgctl);
123COND_SYSCALL_COMPAT(old_msgctl);
124COND_SYSCALL(msgrcv);
125COND_SYSCALL_COMPAT(msgrcv);
126COND_SYSCALL(msgsnd);
127COND_SYSCALL_COMPAT(msgsnd);
128COND_SYSCALL(semget);
129COND_SYSCALL(old_semctl);
130COND_SYSCALL(semctl);
131COND_SYSCALL_COMPAT(semctl);
132COND_SYSCALL_COMPAT(old_semctl);
133COND_SYSCALL(semtimedop);
134COND_SYSCALL(semtimedop_time32);
135COND_SYSCALL(semop);
136COND_SYSCALL(shmget);
137COND_SYSCALL(old_shmctl);
138COND_SYSCALL(shmctl);
139COND_SYSCALL_COMPAT(shmctl);
140COND_SYSCALL_COMPAT(old_shmctl);
141COND_SYSCALL(shmat);
142COND_SYSCALL_COMPAT(shmat);
143COND_SYSCALL(shmdt);
144COND_SYSCALL(socket);
145COND_SYSCALL(socketpair);
146COND_SYSCALL(bind);
147COND_SYSCALL(listen);
148COND_SYSCALL(accept);
149COND_SYSCALL(connect);
150COND_SYSCALL(getsockname);
151COND_SYSCALL(getpeername);
152COND_SYSCALL(setsockopt);
153COND_SYSCALL_COMPAT(setsockopt);
154COND_SYSCALL(getsockopt);
155COND_SYSCALL_COMPAT(getsockopt);
156COND_SYSCALL(sendto);
157COND_SYSCALL(shutdown);
158COND_SYSCALL(recvfrom);
159COND_SYSCALL_COMPAT(recvfrom);
160COND_SYSCALL(sendmsg);
161COND_SYSCALL_COMPAT(sendmsg);
162COND_SYSCALL(recvmsg);
163COND_SYSCALL_COMPAT(recvmsg);
164COND_SYSCALL(mremap);
165COND_SYSCALL(add_key);
166COND_SYSCALL(request_key);
167COND_SYSCALL(keyctl);
168COND_SYSCALL_COMPAT(keyctl);
169COND_SYSCALL(landlock_create_ruleset);
170COND_SYSCALL(landlock_add_rule);
171COND_SYSCALL(landlock_restrict_self);
172COND_SYSCALL(fadvise64_64);
173COND_SYSCALL_COMPAT(fadvise64_64);
174
175/* CONFIG_MMU only */
176COND_SYSCALL(swapon);
177COND_SYSCALL(swapoff);
178COND_SYSCALL(mprotect);
179COND_SYSCALL(msync);
180COND_SYSCALL(mlock);
181COND_SYSCALL(munlock);
182COND_SYSCALL(mlockall);
183COND_SYSCALL(munlockall);
184COND_SYSCALL(mincore);
185COND_SYSCALL(madvise);
186COND_SYSCALL(process_madvise);
187COND_SYSCALL(process_mrelease);
188COND_SYSCALL(remap_file_pages);
189COND_SYSCALL(mbind);
190COND_SYSCALL(get_mempolicy);
191COND_SYSCALL(set_mempolicy);
192COND_SYSCALL(migrate_pages);
193COND_SYSCALL(move_pages);
194COND_SYSCALL(set_mempolicy_home_node);
195COND_SYSCALL(cachestat);
196
197COND_SYSCALL(perf_event_open);
198COND_SYSCALL(accept4);
199COND_SYSCALL(recvmmsg);
200COND_SYSCALL(recvmmsg_time32);
201COND_SYSCALL_COMPAT(recvmmsg_time32);
202COND_SYSCALL_COMPAT(recvmmsg_time64);
203
204/*
205 * Architecture specific syscalls: see further below
206 */
207
208/* fanotify */
209COND_SYSCALL(fanotify_init);
210COND_SYSCALL(fanotify_mark);
211
212/* open by handle */
213COND_SYSCALL(name_to_handle_at);
214COND_SYSCALL(open_by_handle_at);
215COND_SYSCALL_COMPAT(open_by_handle_at);
216
217COND_SYSCALL(sendmmsg);
218COND_SYSCALL_COMPAT(sendmmsg);
219COND_SYSCALL(process_vm_readv);
220COND_SYSCALL_COMPAT(process_vm_readv);
221COND_SYSCALL(process_vm_writev);
222COND_SYSCALL_COMPAT(process_vm_writev);
223
224/* compare kernel pointers */
225COND_SYSCALL(kcmp);
226
227COND_SYSCALL(finit_module);
228
229/* operate on Secure Computing state */
230COND_SYSCALL(seccomp);
231
232COND_SYSCALL(memfd_create);
233
234/* access BPF programs and maps */
235COND_SYSCALL(bpf);
236
237/* execveat */
238COND_SYSCALL(execveat);
239
240COND_SYSCALL(userfaultfd);
241
242/* membarrier */
243COND_SYSCALL(membarrier);
244
245COND_SYSCALL(mlock2);
246
247COND_SYSCALL(copy_file_range);
248
249/* memory protection keys */
250COND_SYSCALL(pkey_mprotect);
251COND_SYSCALL(pkey_alloc);
252COND_SYSCALL(pkey_free);
253
254/* memfd_secret */
255COND_SYSCALL(memfd_secret);
256
257/*
258 * Architecture specific weak syscall entries.
259 */
260
261/* pciconfig: alpha, arm, arm64, ia64, sparc */
262COND_SYSCALL(pciconfig_read);
263COND_SYSCALL(pciconfig_write);
264COND_SYSCALL(pciconfig_iobase);
265
266/* sys_socketcall: arm, mips, x86, ... */
267COND_SYSCALL(socketcall);
268COND_SYSCALL_COMPAT(socketcall);
269
270/* compat syscalls for arm64, x86, ... */
271COND_SYSCALL_COMPAT(fanotify_mark);
272
273/* x86 */
274COND_SYSCALL(vm86old);
275COND_SYSCALL(modify_ldt);
276COND_SYSCALL(vm86);
277COND_SYSCALL(kexec_file_load);
278COND_SYSCALL(map_shadow_stack);
279
280/* s390 */
281COND_SYSCALL(s390_pci_mmio_read);
282COND_SYSCALL(s390_pci_mmio_write);
283COND_SYSCALL(s390_ipc);
284COND_SYSCALL_COMPAT(s390_ipc);
285
286/* powerpc */
287COND_SYSCALL(rtas);
288COND_SYSCALL(spu_run);
289COND_SYSCALL(spu_create);
290COND_SYSCALL(subpage_prot);
291
292
293/*
294 * Deprecated system calls which are still defined in
295 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
296 */
297
298/* __ARCH_WANT_SYSCALL_NO_FLAGS */
299COND_SYSCALL(epoll_create);
300COND_SYSCALL(inotify_init);
301COND_SYSCALL(eventfd);
302COND_SYSCALL(signalfd);
303COND_SYSCALL_COMPAT(signalfd);
304
305/* __ARCH_WANT_SYSCALL_OFF_T */
306COND_SYSCALL(fadvise64);
307
308/* __ARCH_WANT_SYSCALL_DEPRECATED */
309COND_SYSCALL(epoll_wait);
310COND_SYSCALL(recv);
311COND_SYSCALL_COMPAT(recv);
312COND_SYSCALL(send);
313COND_SYSCALL(uselib);
314
315/* optional: time32 */
316COND_SYSCALL(time32);
317COND_SYSCALL(stime32);
318COND_SYSCALL(utime32);
319COND_SYSCALL(adjtimex_time32);
320COND_SYSCALL(sched_rr_get_interval_time32);
321COND_SYSCALL(nanosleep_time32);
322COND_SYSCALL(rt_sigtimedwait_time32);
323COND_SYSCALL_COMPAT(rt_sigtimedwait_time32);
324COND_SYSCALL(timer_settime32);
325COND_SYSCALL(timer_gettime32);
326COND_SYSCALL(clock_settime32);
327COND_SYSCALL(clock_gettime32);
328COND_SYSCALL(clock_getres_time32);
329COND_SYSCALL(clock_nanosleep_time32);
330COND_SYSCALL(utimes_time32);
331COND_SYSCALL(futimesat_time32);
332COND_SYSCALL(pselect6_time32);
333COND_SYSCALL_COMPAT(pselect6_time32);
334COND_SYSCALL(ppoll_time32);
335COND_SYSCALL_COMPAT(ppoll_time32);
336COND_SYSCALL(utimensat_time32);
337COND_SYSCALL(clock_adjtime32);
338
339/*
340 * The syscalls below are not found in include/uapi/asm-generic/unistd.h
341 */
342
343/* obsolete: SGETMASK_SYSCALL */
344COND_SYSCALL(sgetmask);
345COND_SYSCALL(ssetmask);
346
347/* obsolete: SYSFS_SYSCALL */
348COND_SYSCALL(sysfs);
349
350/* obsolete: __ARCH_WANT_SYS_IPC */
351COND_SYSCALL(ipc);
352COND_SYSCALL_COMPAT(ipc);
353
354/* obsolete: UID16 */
355COND_SYSCALL(chown16);
356COND_SYSCALL(fchown16);
357COND_SYSCALL(getegid16);
358COND_SYSCALL(geteuid16);
359COND_SYSCALL(getgid16);
360COND_SYSCALL(getgroups16);
361COND_SYSCALL(getresgid16);
362COND_SYSCALL(getresuid16);
363COND_SYSCALL(getuid16);
364COND_SYSCALL(lchown16);
365COND_SYSCALL(setfsgid16);
366COND_SYSCALL(setfsuid16);
367COND_SYSCALL(setgid16);
368COND_SYSCALL(setgroups16);
369COND_SYSCALL(setregid16);
370COND_SYSCALL(setresgid16);
371COND_SYSCALL(setresuid16);
372COND_SYSCALL(setreuid16);
373COND_SYSCALL(setuid16);
374
375/* restartable sequence */
376COND_SYSCALL(rseq);
377

source code of linux/kernel/sys_ni.c