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