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