sys_ni.c 8.8 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. #include <linux/linkage.h>
  3. #include <linux/errno.h>
  4. #include <asm/unistd.h>
  5. #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
  6. /* Architectures may override COND_SYSCALL and COND_SYSCALL_COMPAT */
  7. #include <asm/syscall_wrapper.h>
  8. #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
  9. /* we can't #include <linux/syscalls.h> here,
  10. but tell gcc to not warn with -Wmissing-prototypes */
  11. asmlinkage long sys_ni_syscall(void);
  12. /*
  13. * Non-implemented system calls get redirected here.
  14. */
  15. asmlinkage long sys_ni_syscall(void)
  16. {
  17. return -ENOSYS;
  18. }
  19. #ifndef COND_SYSCALL
  20. #define COND_SYSCALL(name) cond_syscall(sys_##name)
  21. #endif /* COND_SYSCALL */
  22. #ifndef COND_SYSCALL_COMPAT
  23. #define COND_SYSCALL_COMPAT(name) cond_syscall(compat_sys_##name)
  24. #endif /* COND_SYSCALL_COMPAT */
  25. /*
  26. * This list is kept in the same order as include/uapi/asm-generic/unistd.h.
  27. * Architecture specific entries go below, followed by deprecated or obsolete
  28. * system calls.
  29. */
  30. COND_SYSCALL(io_setup);
  31. COND_SYSCALL_COMPAT(io_setup);
  32. COND_SYSCALL(io_destroy);
  33. COND_SYSCALL(io_submit);
  34. COND_SYSCALL_COMPAT(io_submit);
  35. COND_SYSCALL(io_cancel);
  36. COND_SYSCALL(io_getevents);
  37. COND_SYSCALL(io_pgetevents);
  38. COND_SYSCALL_COMPAT(io_getevents);
  39. COND_SYSCALL_COMPAT(io_pgetevents);
  40. /* fs/xattr.c */
  41. /* fs/dcache.c */
  42. /* fs/cookies.c */
  43. COND_SYSCALL(lookup_dcookie);
  44. COND_SYSCALL_COMPAT(lookup_dcookie);
  45. /* fs/eventfd.c */
  46. COND_SYSCALL(eventfd2);
  47. /* fs/eventfd.c */
  48. COND_SYSCALL(epoll_create1);
  49. COND_SYSCALL(epoll_ctl);
  50. COND_SYSCALL(epoll_pwait);
  51. COND_SYSCALL_COMPAT(epoll_pwait);
  52. /* fs/fcntl.c */
  53. /* fs/inotify_user.c */
  54. COND_SYSCALL(inotify_init1);
  55. COND_SYSCALL(inotify_add_watch);
  56. COND_SYSCALL(inotify_rm_watch);
  57. /* fs/ioctl.c */
  58. /* fs/ioprio.c */
  59. COND_SYSCALL(ioprio_set);
  60. COND_SYSCALL(ioprio_get);
  61. /* fs/locks.c */
  62. COND_SYSCALL(flock);
  63. /* fs/namei.c */
  64. /* fs/namespace.c */
  65. /* fs/nfsctl.c */
  66. /* fs/open.c */
  67. /* fs/pipe.c */
  68. /* fs/quota.c */
  69. COND_SYSCALL(quotactl);
  70. /* fs/readdir.c */
  71. /* fs/read_write.c */
  72. /* fs/sendfile.c */
  73. /* fs/select.c */
  74. /* fs/signalfd.c */
  75. COND_SYSCALL(signalfd4);
  76. COND_SYSCALL_COMPAT(signalfd4);
  77. /* fs/splice.c */
  78. /* fs/stat.c */
  79. /* fs/sync.c */
  80. /* fs/timerfd.c */
  81. COND_SYSCALL(timerfd_create);
  82. COND_SYSCALL(timerfd_settime);
  83. COND_SYSCALL_COMPAT(timerfd_settime);
  84. COND_SYSCALL(timerfd_gettime);
  85. COND_SYSCALL_COMPAT(timerfd_gettime);
  86. /* fs/utimes.c */
  87. /* kernel/acct.c */
  88. COND_SYSCALL(acct);
  89. /* kernel/capability.c */
  90. COND_SYSCALL(capget);
  91. COND_SYSCALL(capset);
  92. /* kernel/exec_domain.c */
  93. /* kernel/exit.c */
  94. /* kernel/fork.c */
  95. /* kernel/futex.c */
  96. COND_SYSCALL(futex);
  97. COND_SYSCALL_COMPAT(futex);
  98. COND_SYSCALL(set_robust_list);
  99. COND_SYSCALL_COMPAT(set_robust_list);
  100. COND_SYSCALL(get_robust_list);
  101. COND_SYSCALL_COMPAT(get_robust_list);
  102. /* kernel/hrtimer.c */
  103. /* kernel/itimer.c */
  104. /* kernel/kexec.c */
  105. COND_SYSCALL(kexec_load);
  106. COND_SYSCALL_COMPAT(kexec_load);
  107. /* kernel/module.c */
  108. COND_SYSCALL(init_module);
  109. COND_SYSCALL(delete_module);
  110. /* kernel/posix-timers.c */
  111. /* kernel/printk.c */
  112. COND_SYSCALL(syslog);
  113. /* kernel/ptrace.c */
  114. /* kernel/sched/core.c */
  115. /* kernel/signal.c */
  116. /* kernel/sys.c */
  117. COND_SYSCALL(setregid);
  118. COND_SYSCALL(setgid);
  119. COND_SYSCALL(setreuid);
  120. COND_SYSCALL(setuid);
  121. COND_SYSCALL(setresuid);
  122. COND_SYSCALL(getresuid);
  123. COND_SYSCALL(setresgid);
  124. COND_SYSCALL(getresgid);
  125. COND_SYSCALL(setfsuid);
  126. COND_SYSCALL(setfsgid);
  127. COND_SYSCALL(setgroups);
  128. COND_SYSCALL(getgroups);
  129. /* kernel/time.c */
  130. /* kernel/timer.c */
  131. /* ipc/mqueue.c */
  132. COND_SYSCALL(mq_open);
  133. COND_SYSCALL_COMPAT(mq_open);
  134. COND_SYSCALL(mq_unlink);
  135. COND_SYSCALL(mq_timedsend);
  136. COND_SYSCALL_COMPAT(mq_timedsend);
  137. COND_SYSCALL(mq_timedreceive);
  138. COND_SYSCALL_COMPAT(mq_timedreceive);
  139. COND_SYSCALL(mq_notify);
  140. COND_SYSCALL_COMPAT(mq_notify);
  141. COND_SYSCALL(mq_getsetattr);
  142. COND_SYSCALL_COMPAT(mq_getsetattr);
  143. /* ipc/msg.c */
  144. COND_SYSCALL(msgget);
  145. COND_SYSCALL(msgctl);
  146. COND_SYSCALL_COMPAT(msgctl);
  147. COND_SYSCALL(msgrcv);
  148. COND_SYSCALL_COMPAT(msgrcv);
  149. COND_SYSCALL(msgsnd);
  150. COND_SYSCALL_COMPAT(msgsnd);
  151. /* ipc/sem.c */
  152. COND_SYSCALL(semget);
  153. COND_SYSCALL(semctl);
  154. COND_SYSCALL_COMPAT(semctl);
  155. COND_SYSCALL(semtimedop);
  156. COND_SYSCALL_COMPAT(semtimedop);
  157. COND_SYSCALL(semop);
  158. /* ipc/shm.c */
  159. COND_SYSCALL(shmget);
  160. COND_SYSCALL(shmctl);
  161. COND_SYSCALL_COMPAT(shmctl);
  162. COND_SYSCALL(shmat);
  163. COND_SYSCALL_COMPAT(shmat);
  164. COND_SYSCALL(shmdt);
  165. /* net/socket.c */
  166. COND_SYSCALL(socket);
  167. COND_SYSCALL(socketpair);
  168. COND_SYSCALL(bind);
  169. COND_SYSCALL(listen);
  170. COND_SYSCALL(accept);
  171. COND_SYSCALL(connect);
  172. COND_SYSCALL(getsockname);
  173. COND_SYSCALL(getpeername);
  174. COND_SYSCALL(setsockopt);
  175. COND_SYSCALL_COMPAT(setsockopt);
  176. COND_SYSCALL(getsockopt);
  177. COND_SYSCALL_COMPAT(getsockopt);
  178. COND_SYSCALL(sendto);
  179. COND_SYSCALL(shutdown);
  180. COND_SYSCALL(recvfrom);
  181. COND_SYSCALL_COMPAT(recvfrom);
  182. COND_SYSCALL(sendmsg);
  183. COND_SYSCALL_COMPAT(sendmsg);
  184. COND_SYSCALL(recvmsg);
  185. COND_SYSCALL_COMPAT(recvmsg);
  186. /* mm/filemap.c */
  187. /* mm/nommu.c, also with MMU */
  188. COND_SYSCALL(mremap);
  189. /* security/keys/keyctl.c */
  190. COND_SYSCALL(add_key);
  191. COND_SYSCALL(request_key);
  192. COND_SYSCALL(keyctl);
  193. COND_SYSCALL_COMPAT(keyctl);
  194. /* arch/example/kernel/sys_example.c */
  195. /* mm/fadvise.c */
  196. COND_SYSCALL(fadvise64_64);
  197. /* mm/, CONFIG_MMU only */
  198. COND_SYSCALL(swapon);
  199. COND_SYSCALL(swapoff);
  200. COND_SYSCALL(mprotect);
  201. COND_SYSCALL(msync);
  202. COND_SYSCALL(mlock);
  203. COND_SYSCALL(munlock);
  204. COND_SYSCALL(mlockall);
  205. COND_SYSCALL(munlockall);
  206. COND_SYSCALL(mincore);
  207. COND_SYSCALL(madvise);
  208. COND_SYSCALL(remap_file_pages);
  209. COND_SYSCALL(mbind);
  210. COND_SYSCALL_COMPAT(mbind);
  211. COND_SYSCALL(get_mempolicy);
  212. COND_SYSCALL_COMPAT(get_mempolicy);
  213. COND_SYSCALL(set_mempolicy);
  214. COND_SYSCALL_COMPAT(set_mempolicy);
  215. COND_SYSCALL(migrate_pages);
  216. COND_SYSCALL_COMPAT(migrate_pages);
  217. COND_SYSCALL(move_pages);
  218. COND_SYSCALL_COMPAT(move_pages);
  219. COND_SYSCALL(perf_event_open);
  220. COND_SYSCALL(accept4);
  221. COND_SYSCALL(recvmmsg);
  222. COND_SYSCALL_COMPAT(recvmmsg);
  223. /*
  224. * Architecture specific syscalls: see further below
  225. */
  226. /* fanotify */
  227. COND_SYSCALL(fanotify_init);
  228. COND_SYSCALL(fanotify_mark);
  229. /* open by handle */
  230. COND_SYSCALL(name_to_handle_at);
  231. COND_SYSCALL(open_by_handle_at);
  232. COND_SYSCALL_COMPAT(open_by_handle_at);
  233. COND_SYSCALL(sendmmsg);
  234. COND_SYSCALL_COMPAT(sendmmsg);
  235. COND_SYSCALL(process_vm_readv);
  236. COND_SYSCALL_COMPAT(process_vm_readv);
  237. COND_SYSCALL(process_vm_writev);
  238. COND_SYSCALL_COMPAT(process_vm_writev);
  239. /* compare kernel pointers */
  240. COND_SYSCALL(kcmp);
  241. COND_SYSCALL(finit_module);
  242. /* operate on Secure Computing state */
  243. COND_SYSCALL(seccomp);
  244. COND_SYSCALL(memfd_create);
  245. /* access BPF programs and maps */
  246. COND_SYSCALL(bpf);
  247. /* execveat */
  248. COND_SYSCALL(execveat);
  249. COND_SYSCALL(userfaultfd);
  250. /* membarrier */
  251. COND_SYSCALL(membarrier);
  252. COND_SYSCALL(mlock2);
  253. COND_SYSCALL(copy_file_range);
  254. /* memory protection keys */
  255. COND_SYSCALL(pkey_mprotect);
  256. COND_SYSCALL(pkey_alloc);
  257. COND_SYSCALL(pkey_free);
  258. /*
  259. * Architecture specific weak syscall entries.
  260. */
  261. /* pciconfig: alpha, arm, arm64, ia64, sparc */
  262. COND_SYSCALL(pciconfig_read);
  263. COND_SYSCALL(pciconfig_write);
  264. COND_SYSCALL(pciconfig_iobase);
  265. /* sys_socketcall: arm, mips, x86, ... */
  266. COND_SYSCALL(socketcall);
  267. COND_SYSCALL_COMPAT(socketcall);
  268. /* compat syscalls for arm64, x86, ... */
  269. COND_SYSCALL_COMPAT(sysctl);
  270. COND_SYSCALL_COMPAT(fanotify_mark);
  271. /* x86 */
  272. COND_SYSCALL(vm86old);
  273. COND_SYSCALL(modify_ldt);
  274. COND_SYSCALL_COMPAT(quotactl32);
  275. COND_SYSCALL(vm86);
  276. COND_SYSCALL(kexec_file_load);
  277. /* s390 */
  278. COND_SYSCALL(s390_pci_mmio_read);
  279. COND_SYSCALL(s390_pci_mmio_write);
  280. COND_SYSCALL_COMPAT(s390_ipc);
  281. /* powerpc */
  282. COND_SYSCALL(rtas);
  283. COND_SYSCALL(spu_run);
  284. COND_SYSCALL(spu_create);
  285. COND_SYSCALL(subpage_prot);
  286. /*
  287. * Deprecated system calls which are still defined in
  288. * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
  289. */
  290. /* __ARCH_WANT_SYSCALL_NO_FLAGS */
  291. COND_SYSCALL(epoll_create);
  292. COND_SYSCALL(inotify_init);
  293. COND_SYSCALL(eventfd);
  294. COND_SYSCALL(signalfd);
  295. COND_SYSCALL_COMPAT(signalfd);
  296. /* __ARCH_WANT_SYSCALL_OFF_T */
  297. COND_SYSCALL(fadvise64);
  298. /* __ARCH_WANT_SYSCALL_DEPRECATED */
  299. COND_SYSCALL(epoll_wait);
  300. COND_SYSCALL(recv);
  301. COND_SYSCALL_COMPAT(recv);
  302. COND_SYSCALL(send);
  303. COND_SYSCALL(bdflush);
  304. COND_SYSCALL(uselib);
  305. /*
  306. * The syscalls below are not found in include/uapi/asm-generic/unistd.h
  307. */
  308. /* obsolete: SGETMASK_SYSCALL */
  309. COND_SYSCALL(sgetmask);
  310. COND_SYSCALL(ssetmask);
  311. /* obsolete: SYSFS_SYSCALL */
  312. COND_SYSCALL(sysfs);
  313. /* obsolete: __ARCH_WANT_SYS_IPC */
  314. COND_SYSCALL(ipc);
  315. COND_SYSCALL_COMPAT(ipc);
  316. /* obsolete: UID16 */
  317. COND_SYSCALL(chown16);
  318. COND_SYSCALL(fchown16);
  319. COND_SYSCALL(getegid16);
  320. COND_SYSCALL(geteuid16);
  321. COND_SYSCALL(getgid16);
  322. COND_SYSCALL(getgroups16);
  323. COND_SYSCALL(getresgid16);
  324. COND_SYSCALL(getresuid16);
  325. COND_SYSCALL(getuid16);
  326. COND_SYSCALL(lchown16);
  327. COND_SYSCALL(setfsgid16);
  328. COND_SYSCALL(setfsuid16);
  329. COND_SYSCALL(setgid16);
  330. COND_SYSCALL(setgroups16);
  331. COND_SYSCALL(setregid16);
  332. COND_SYSCALL(setresgid16);
  333. COND_SYSCALL(setresuid16);
  334. COND_SYSCALL(setreuid16);
  335. COND_SYSCALL(setuid16);
  336. /* restartable sequence */
  337. COND_SYSCALL(rseq);