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 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 COND_SYSCALL(epoll_pwait2); 72 COND_SYSCALL_COMPAT(epoll_pwait2); 73 74 /* fs/fcntl.c */ 75 76 /* fs/inotify_user.c */ 77 COND_SYSCALL(inotify_init1); 78 COND_SYSCALL(inotify_add_watch); 79 COND_SYSCALL(inotify_rm_watch); 80 81 /* fs/ioctl.c */ 82 83 /* fs/ioprio.c */ 84 COND_SYSCALL(ioprio_set); 85 COND_SYSCALL(ioprio_get); 86 87 /* fs/locks.c */ 88 COND_SYSCALL(flock); 89 90 /* fs/namei.c */ 91 92 /* fs/namespace.c */ 93 94 /* fs/nfsctl.c */ 95 96 /* fs/open.c */ 97 98 /* fs/pipe.c */ 99 100 /* fs/quota.c */ 101 COND_SYSCALL(quotactl); 102 COND_SYSCALL(quotactl_fd); 103 104 /* fs/readdir.c */ 105 106 /* fs/read_write.c */ 107 108 /* fs/sendfile.c */ 109 110 /* fs/select.c */ 111 112 /* fs/signalfd.c */ 113 COND_SYSCALL(signalfd4); 114 COND_SYSCALL_COMPAT(signalfd4); 115 116 /* fs/splice.c */ 117 118 /* fs/stat.c */ 119 120 /* fs/sync.c */ 121 122 /* fs/timerfd.c */ 123 COND_SYSCALL(timerfd_create); 124 COND_SYSCALL(timerfd_settime); 125 COND_SYSCALL(timerfd_settime32); 126 COND_SYSCALL(timerfd_gettime); 127 COND_SYSCALL(timerfd_gettime32); 128 129 /* fs/utimes.c */ 130 131 /* kernel/acct.c */ 132 COND_SYSCALL(acct); 133 134 /* kernel/capability.c */ 135 COND_SYSCALL(capget); 136 COND_SYSCALL(capset); 137 138 /* kernel/exec_domain.c */ 139 140 /* kernel/exit.c */ 141 142 /* kernel/fork.c */ 143 /* __ARCH_WANT_SYS_CLONE3 */ 144 COND_SYSCALL(clone3); 145 146 /* kernel/futex.c */ 147 COND_SYSCALL(futex); 148 COND_SYSCALL(futex_time32); 149 COND_SYSCALL(set_robust_list); 150 COND_SYSCALL_COMPAT(set_robust_list); 151 COND_SYSCALL(get_robust_list); 152 COND_SYSCALL_COMPAT(get_robust_list); 153 154 /* kernel/hrtimer.c */ 155 156 /* kernel/itimer.c */ 157 158 /* kernel/kexec.c */ 159 COND_SYSCALL(kexec_load); 160 COND_SYSCALL_COMPAT(kexec_load); 161 162 /* kernel/module.c */ 163 COND_SYSCALL(init_module); 164 COND_SYSCALL(delete_module); 165 166 /* kernel/posix-timers.c */ 167 168 /* kernel/printk.c */ 169 COND_SYSCALL(syslog); 170 171 /* kernel/ptrace.c */ 172 173 /* kernel/sched/core.c */ 174 175 /* kernel/sys.c */ 176 COND_SYSCALL(setregid); 177 COND_SYSCALL(setgid); 178 COND_SYSCALL(setreuid); 179 COND_SYSCALL(setuid); 180 COND_SYSCALL(setresuid); 181 COND_SYSCALL(getresuid); 182 COND_SYSCALL(setresgid); 183 COND_SYSCALL(getresgid); 184 COND_SYSCALL(setfsuid); 185 COND_SYSCALL(setfsgid); 186 COND_SYSCALL(setgroups); 187 COND_SYSCALL(getgroups); 188 189 /* kernel/time.c */ 190 191 /* kernel/timer.c */ 192 193 /* ipc/mqueue.c */ 194 COND_SYSCALL(mq_open); 195 COND_SYSCALL_COMPAT(mq_open); 196 COND_SYSCALL(mq_unlink); 197 COND_SYSCALL(mq_timedsend); 198 COND_SYSCALL(mq_timedsend_time32); 199 COND_SYSCALL(mq_timedreceive); 200 COND_SYSCALL(mq_timedreceive_time32); 201 COND_SYSCALL(mq_notify); 202 COND_SYSCALL_COMPAT(mq_notify); 203 COND_SYSCALL(mq_getsetattr); 204 COND_SYSCALL_COMPAT(mq_getsetattr); 205 206 /* ipc/msg.c */ 207 COND_SYSCALL(msgget); 208 COND_SYSCALL(old_msgctl); 209 COND_SYSCALL(msgctl); 210 COND_SYSCALL_COMPAT(msgctl); 211 COND_SYSCALL_COMPAT(old_msgctl); 212 COND_SYSCALL(msgrcv); 213 COND_SYSCALL_COMPAT(msgrcv); 214 COND_SYSCALL(msgsnd); 215 COND_SYSCALL_COMPAT(msgsnd); 216 217 /* ipc/sem.c */ 218 COND_SYSCALL(semget); 219 COND_SYSCALL(old_semctl); 220 COND_SYSCALL(semctl); 221 COND_SYSCALL_COMPAT(semctl); 222 COND_SYSCALL_COMPAT(old_semctl); 223 COND_SYSCALL(semtimedop); 224 COND_SYSCALL(semtimedop_time32); 225 COND_SYSCALL(semop); 226 227 /* ipc/shm.c */ 228 COND_SYSCALL(shmget); 229 COND_SYSCALL(old_shmctl); 230 COND_SYSCALL(shmctl); 231 COND_SYSCALL_COMPAT(shmctl); 232 COND_SYSCALL_COMPAT(old_shmctl); 233 COND_SYSCALL(shmat); 234 COND_SYSCALL_COMPAT(shmat); 235 COND_SYSCALL(shmdt); 236 237 /* net/socket.c */ 238 COND_SYSCALL(socket); 239 COND_SYSCALL(socketpair); 240 COND_SYSCALL(bind); 241 COND_SYSCALL(listen); 242 COND_SYSCALL(accept); 243 COND_SYSCALL(connect); 244 COND_SYSCALL(getsockname); 245 COND_SYSCALL(getpeername); 246 COND_SYSCALL(setsockopt); 247 COND_SYSCALL_COMPAT(setsockopt); 248 COND_SYSCALL(getsockopt); 249 COND_SYSCALL_COMPAT(getsockopt); 250 COND_SYSCALL(sendto); 251 COND_SYSCALL(shutdown); 252 COND_SYSCALL(recvfrom); 253 COND_SYSCALL_COMPAT(recvfrom); 254 COND_SYSCALL(sendmsg); 255 COND_SYSCALL_COMPAT(sendmsg); 256 COND_SYSCALL(recvmsg); 257 COND_SYSCALL_COMPAT(recvmsg); 258 259 /* mm/filemap.c */ 260 261 /* mm/nommu.c, also with MMU */ 262 COND_SYSCALL(mremap); 263 264 /* security/keys/keyctl.c */ 265 COND_SYSCALL(add_key); 266 COND_SYSCALL(request_key); 267 COND_SYSCALL(keyctl); 268 COND_SYSCALL_COMPAT(keyctl); 269 270 /* security/landlock/syscalls.c */ 271 COND_SYSCALL(landlock_create_ruleset); 272 COND_SYSCALL(landlock_add_rule); 273 COND_SYSCALL(landlock_restrict_self); 274 275 /* arch/example/kernel/sys_example.c */ 276 277 /* mm/fadvise.c */ 278 COND_SYSCALL(fadvise64_64); 279 280 /* mm/, CONFIG_MMU only */ 281 COND_SYSCALL(swapon); 282 COND_SYSCALL(swapoff); 283 COND_SYSCALL(mprotect); 284 COND_SYSCALL(msync); 285 COND_SYSCALL(mlock); 286 COND_SYSCALL(munlock); 287 COND_SYSCALL(mlockall); 288 COND_SYSCALL(munlockall); 289 COND_SYSCALL(mincore); 290 COND_SYSCALL(madvise); 291 COND_SYSCALL(process_madvise); 292 COND_SYSCALL(process_mrelease); 293 COND_SYSCALL(remap_file_pages); 294 COND_SYSCALL(mbind); 295 COND_SYSCALL(get_mempolicy); 296 COND_SYSCALL(set_mempolicy); 297 COND_SYSCALL(migrate_pages); 298 COND_SYSCALL(move_pages); 299 300 COND_SYSCALL(perf_event_open); 301 COND_SYSCALL(accept4); 302 COND_SYSCALL(recvmmsg); 303 COND_SYSCALL(recvmmsg_time32); 304 COND_SYSCALL_COMPAT(recvmmsg_time32); 305 COND_SYSCALL_COMPAT(recvmmsg_time64); 306 307 /* 308 * Architecture specific syscalls: see further below 309 */ 310 311 /* fanotify */ 312 COND_SYSCALL(fanotify_init); 313 COND_SYSCALL(fanotify_mark); 314 315 /* open by handle */ 316 COND_SYSCALL(name_to_handle_at); 317 COND_SYSCALL(open_by_handle_at); 318 COND_SYSCALL_COMPAT(open_by_handle_at); 319 320 COND_SYSCALL(sendmmsg); 321 COND_SYSCALL_COMPAT(sendmmsg); 322 COND_SYSCALL(process_vm_readv); 323 COND_SYSCALL_COMPAT(process_vm_readv); 324 COND_SYSCALL(process_vm_writev); 325 COND_SYSCALL_COMPAT(process_vm_writev); 326 327 /* compare kernel pointers */ 328 COND_SYSCALL(kcmp); 329 330 COND_SYSCALL(finit_module); 331 332 /* operate on Secure Computing state */ 333 COND_SYSCALL(seccomp); 334 335 COND_SYSCALL(memfd_create); 336 337 /* access BPF programs and maps */ 338 COND_SYSCALL(bpf); 339 340 /* execveat */ 341 COND_SYSCALL(execveat); 342 343 COND_SYSCALL(userfaultfd); 344 345 /* membarrier */ 346 COND_SYSCALL(membarrier); 347 348 COND_SYSCALL(mlock2); 349 350 COND_SYSCALL(copy_file_range); 351 352 /* memory protection keys */ 353 COND_SYSCALL(pkey_mprotect); 354 COND_SYSCALL(pkey_alloc); 355 COND_SYSCALL(pkey_free); 356 357 /* memfd_secret */ 358 COND_SYSCALL(memfd_secret); 359 360 /* 361 * Architecture specific weak syscall entries. 362 */ 363 364 /* pciconfig: alpha, arm, arm64, ia64, sparc */ 365 COND_SYSCALL(pciconfig_read); 366 COND_SYSCALL(pciconfig_write); 367 COND_SYSCALL(pciconfig_iobase); 368 369 /* sys_socketcall: arm, mips, x86, ... */ 370 COND_SYSCALL(socketcall); 371 COND_SYSCALL_COMPAT(socketcall); 372 373 /* compat syscalls for arm64, x86, ... */ 374 COND_SYSCALL_COMPAT(fanotify_mark); 375 376 /* x86 */ 377 COND_SYSCALL(vm86old); 378 COND_SYSCALL(modify_ldt); 379 COND_SYSCALL(vm86); 380 COND_SYSCALL(kexec_file_load); 381 382 /* s390 */ 383 COND_SYSCALL(s390_pci_mmio_read); 384 COND_SYSCALL(s390_pci_mmio_write); 385 COND_SYSCALL(s390_ipc); 386 COND_SYSCALL_COMPAT(s390_ipc); 387 388 /* powerpc */ 389 COND_SYSCALL(rtas); 390 COND_SYSCALL(spu_run); 391 COND_SYSCALL(spu_create); 392 COND_SYSCALL(subpage_prot); 393 394 395 /* 396 * Deprecated system calls which are still defined in 397 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch 398 */ 399 400 /* __ARCH_WANT_SYSCALL_NO_FLAGS */ 401 COND_SYSCALL(epoll_create); 402 COND_SYSCALL(inotify_init); 403 COND_SYSCALL(eventfd); 404 COND_SYSCALL(signalfd); 405 COND_SYSCALL_COMPAT(signalfd); 406 407 /* __ARCH_WANT_SYSCALL_OFF_T */ 408 COND_SYSCALL(fadvise64); 409 410 /* __ARCH_WANT_SYSCALL_DEPRECATED */ 411 COND_SYSCALL(epoll_wait); 412 COND_SYSCALL(recv); 413 COND_SYSCALL_COMPAT(recv); 414 COND_SYSCALL(send); 415 COND_SYSCALL(uselib); 416 417 /* optional: time32 */ 418 COND_SYSCALL(time32); 419 COND_SYSCALL(stime32); 420 COND_SYSCALL(utime32); 421 COND_SYSCALL(adjtimex_time32); 422 COND_SYSCALL(sched_rr_get_interval_time32); 423 COND_SYSCALL(nanosleep_time32); 424 COND_SYSCALL(rt_sigtimedwait_time32); 425 COND_SYSCALL_COMPAT(rt_sigtimedwait_time32); 426 COND_SYSCALL(timer_settime32); 427 COND_SYSCALL(timer_gettime32); 428 COND_SYSCALL(clock_settime32); 429 COND_SYSCALL(clock_gettime32); 430 COND_SYSCALL(clock_getres_time32); 431 COND_SYSCALL(clock_nanosleep_time32); 432 COND_SYSCALL(utimes_time32); 433 COND_SYSCALL(futimesat_time32); 434 COND_SYSCALL(pselect6_time32); 435 COND_SYSCALL_COMPAT(pselect6_time32); 436 COND_SYSCALL(ppoll_time32); 437 COND_SYSCALL_COMPAT(ppoll_time32); 438 COND_SYSCALL(utimensat_time32); 439 COND_SYSCALL(clock_adjtime32); 440 441 /* 442 * The syscalls below are not found in include/uapi/asm-generic/unistd.h 443 */ 444 445 /* obsolete: SGETMASK_SYSCALL */ 446 COND_SYSCALL(sgetmask); 447 COND_SYSCALL(ssetmask); 448 449 /* obsolete: SYSFS_SYSCALL */ 450 COND_SYSCALL(sysfs); 451 452 /* obsolete: __ARCH_WANT_SYS_IPC */ 453 COND_SYSCALL(ipc); 454 COND_SYSCALL_COMPAT(ipc); 455 456 /* obsolete: UID16 */ 457 COND_SYSCALL(chown16); 458 COND_SYSCALL(fchown16); 459 COND_SYSCALL(getegid16); 460 COND_SYSCALL(geteuid16); 461 COND_SYSCALL(getgid16); 462 COND_SYSCALL(getgroups16); 463 COND_SYSCALL(getresgid16); 464 COND_SYSCALL(getresuid16); 465 COND_SYSCALL(getuid16); 466 COND_SYSCALL(lchown16); 467 COND_SYSCALL(setfsgid16); 468 COND_SYSCALL(setfsuid16); 469 COND_SYSCALL(setgid16); 470 COND_SYSCALL(setgroups16); 471 COND_SYSCALL(setregid16); 472 COND_SYSCALL(setresgid16); 473 COND_SYSCALL(setresuid16); 474 COND_SYSCALL(setreuid16); 475 COND_SYSCALL(setuid16); 476 477 /* restartable sequence */ 478 COND_SYSCALL(rseq); 479