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 52 /* fs/xattr.c */ 53 54 /* fs/dcache.c */ 55 56 /* fs/cookies.c */ 57 COND_SYSCALL(lookup_dcookie); 58 COND_SYSCALL_COMPAT(lookup_dcookie); 59 60 /* fs/eventfd.c */ 61 COND_SYSCALL(eventfd2); 62 63 /* fs/eventfd.c */ 64 COND_SYSCALL(epoll_create1); 65 COND_SYSCALL(epoll_ctl); 66 COND_SYSCALL(epoll_pwait); 67 COND_SYSCALL_COMPAT(epoll_pwait); 68 69 /* fs/fcntl.c */ 70 71 /* fs/inotify_user.c */ 72 COND_SYSCALL(inotify_init1); 73 COND_SYSCALL(inotify_add_watch); 74 COND_SYSCALL(inotify_rm_watch); 75 76 /* fs/ioctl.c */ 77 78 /* fs/ioprio.c */ 79 COND_SYSCALL(ioprio_set); 80 COND_SYSCALL(ioprio_get); 81 82 /* fs/locks.c */ 83 COND_SYSCALL(flock); 84 85 /* fs/namei.c */ 86 87 /* fs/namespace.c */ 88 89 /* fs/nfsctl.c */ 90 91 /* fs/open.c */ 92 93 /* fs/pipe.c */ 94 95 /* fs/quota.c */ 96 COND_SYSCALL(quotactl); 97 98 /* fs/readdir.c */ 99 100 /* fs/read_write.c */ 101 102 /* fs/sendfile.c */ 103 104 /* fs/select.c */ 105 106 /* fs/signalfd.c */ 107 COND_SYSCALL(signalfd4); 108 COND_SYSCALL_COMPAT(signalfd4); 109 110 /* fs/splice.c */ 111 112 /* fs/stat.c */ 113 114 /* fs/sync.c */ 115 116 /* fs/timerfd.c */ 117 COND_SYSCALL(timerfd_create); 118 COND_SYSCALL(timerfd_settime); 119 COND_SYSCALL(timerfd_settime32); 120 COND_SYSCALL(timerfd_gettime); 121 COND_SYSCALL(timerfd_gettime32); 122 123 /* fs/utimes.c */ 124 125 /* kernel/acct.c */ 126 COND_SYSCALL(acct); 127 128 /* kernel/capability.c */ 129 COND_SYSCALL(capget); 130 COND_SYSCALL(capset); 131 132 /* kernel/exec_domain.c */ 133 134 /* kernel/exit.c */ 135 136 /* kernel/fork.c */ 137 138 /* kernel/futex.c */ 139 COND_SYSCALL(futex); 140 COND_SYSCALL(futex_time32); 141 COND_SYSCALL(set_robust_list); 142 COND_SYSCALL_COMPAT(set_robust_list); 143 COND_SYSCALL(get_robust_list); 144 COND_SYSCALL_COMPAT(get_robust_list); 145 146 /* kernel/hrtimer.c */ 147 148 /* kernel/itimer.c */ 149 150 /* kernel/kexec.c */ 151 COND_SYSCALL(kexec_load); 152 COND_SYSCALL_COMPAT(kexec_load); 153 154 /* kernel/module.c */ 155 COND_SYSCALL(init_module); 156 COND_SYSCALL(delete_module); 157 158 /* kernel/posix-timers.c */ 159 160 /* kernel/printk.c */ 161 COND_SYSCALL(syslog); 162 163 /* kernel/ptrace.c */ 164 165 /* kernel/sched/core.c */ 166 167 /* kernel/signal.c */ 168 169 /* kernel/sys.c */ 170 COND_SYSCALL(setregid); 171 COND_SYSCALL(setgid); 172 COND_SYSCALL(setreuid); 173 COND_SYSCALL(setuid); 174 COND_SYSCALL(setresuid); 175 COND_SYSCALL(getresuid); 176 COND_SYSCALL(setresgid); 177 COND_SYSCALL(getresgid); 178 COND_SYSCALL(setfsuid); 179 COND_SYSCALL(setfsgid); 180 COND_SYSCALL(setgroups); 181 COND_SYSCALL(getgroups); 182 183 /* kernel/time.c */ 184 185 /* kernel/timer.c */ 186 187 /* ipc/mqueue.c */ 188 COND_SYSCALL(mq_open); 189 COND_SYSCALL_COMPAT(mq_open); 190 COND_SYSCALL(mq_unlink); 191 COND_SYSCALL(mq_timedsend); 192 COND_SYSCALL(mq_timedsend_time32); 193 COND_SYSCALL(mq_timedreceive); 194 COND_SYSCALL(mq_timedreceive_time32); 195 COND_SYSCALL(mq_notify); 196 COND_SYSCALL_COMPAT(mq_notify); 197 COND_SYSCALL(mq_getsetattr); 198 COND_SYSCALL_COMPAT(mq_getsetattr); 199 200 /* ipc/msg.c */ 201 COND_SYSCALL(msgget); 202 COND_SYSCALL(old_msgctl); 203 COND_SYSCALL(msgctl); 204 COND_SYSCALL_COMPAT(msgctl); 205 COND_SYSCALL(msgrcv); 206 COND_SYSCALL_COMPAT(msgrcv); 207 COND_SYSCALL(msgsnd); 208 COND_SYSCALL_COMPAT(msgsnd); 209 210 /* ipc/sem.c */ 211 COND_SYSCALL(semget); 212 COND_SYSCALL(old_semctl); 213 COND_SYSCALL(semctl); 214 COND_SYSCALL_COMPAT(semctl); 215 COND_SYSCALL(semtimedop); 216 COND_SYSCALL(semtimedop_time32); 217 COND_SYSCALL(semop); 218 219 /* ipc/shm.c */ 220 COND_SYSCALL(shmget); 221 COND_SYSCALL(old_shmctl); 222 COND_SYSCALL(shmctl); 223 COND_SYSCALL_COMPAT(shmctl); 224 COND_SYSCALL(shmat); 225 COND_SYSCALL_COMPAT(shmat); 226 COND_SYSCALL(shmdt); 227 228 /* net/socket.c */ 229 COND_SYSCALL(socket); 230 COND_SYSCALL(socketpair); 231 COND_SYSCALL(bind); 232 COND_SYSCALL(listen); 233 COND_SYSCALL(accept); 234 COND_SYSCALL(connect); 235 COND_SYSCALL(getsockname); 236 COND_SYSCALL(getpeername); 237 COND_SYSCALL(setsockopt); 238 COND_SYSCALL_COMPAT(setsockopt); 239 COND_SYSCALL(getsockopt); 240 COND_SYSCALL_COMPAT(getsockopt); 241 COND_SYSCALL(sendto); 242 COND_SYSCALL(shutdown); 243 COND_SYSCALL(recvfrom); 244 COND_SYSCALL_COMPAT(recvfrom); 245 COND_SYSCALL(sendmsg); 246 COND_SYSCALL_COMPAT(sendmsg); 247 COND_SYSCALL(recvmsg); 248 COND_SYSCALL_COMPAT(recvmsg); 249 250 /* mm/filemap.c */ 251 252 /* mm/nommu.c, also with MMU */ 253 COND_SYSCALL(mremap); 254 255 /* security/keys/keyctl.c */ 256 COND_SYSCALL(add_key); 257 COND_SYSCALL(request_key); 258 COND_SYSCALL(keyctl); 259 COND_SYSCALL_COMPAT(keyctl); 260 261 /* arch/example/kernel/sys_example.c */ 262 263 /* mm/fadvise.c */ 264 COND_SYSCALL(fadvise64_64); 265 266 /* mm/, CONFIG_MMU only */ 267 COND_SYSCALL(swapon); 268 COND_SYSCALL(swapoff); 269 COND_SYSCALL(mprotect); 270 COND_SYSCALL(msync); 271 COND_SYSCALL(mlock); 272 COND_SYSCALL(munlock); 273 COND_SYSCALL(mlockall); 274 COND_SYSCALL(munlockall); 275 COND_SYSCALL(mincore); 276 COND_SYSCALL(madvise); 277 COND_SYSCALL(remap_file_pages); 278 COND_SYSCALL(mbind); 279 COND_SYSCALL_COMPAT(mbind); 280 COND_SYSCALL(get_mempolicy); 281 COND_SYSCALL_COMPAT(get_mempolicy); 282 COND_SYSCALL(set_mempolicy); 283 COND_SYSCALL_COMPAT(set_mempolicy); 284 COND_SYSCALL(migrate_pages); 285 COND_SYSCALL_COMPAT(migrate_pages); 286 COND_SYSCALL(move_pages); 287 COND_SYSCALL_COMPAT(move_pages); 288 289 COND_SYSCALL(perf_event_open); 290 COND_SYSCALL(accept4); 291 COND_SYSCALL(recvmmsg); 292 COND_SYSCALL(recvmmsg_time32); 293 COND_SYSCALL_COMPAT(recvmmsg_time32); 294 COND_SYSCALL_COMPAT(recvmmsg_time64); 295 296 /* 297 * Architecture specific syscalls: see further below 298 */ 299 300 /* fanotify */ 301 COND_SYSCALL(fanotify_init); 302 COND_SYSCALL(fanotify_mark); 303 304 /* open by handle */ 305 COND_SYSCALL(name_to_handle_at); 306 COND_SYSCALL(open_by_handle_at); 307 COND_SYSCALL_COMPAT(open_by_handle_at); 308 309 COND_SYSCALL(sendmmsg); 310 COND_SYSCALL_COMPAT(sendmmsg); 311 COND_SYSCALL(process_vm_readv); 312 COND_SYSCALL_COMPAT(process_vm_readv); 313 COND_SYSCALL(process_vm_writev); 314 COND_SYSCALL_COMPAT(process_vm_writev); 315 316 /* compare kernel pointers */ 317 COND_SYSCALL(kcmp); 318 319 COND_SYSCALL(finit_module); 320 321 /* operate on Secure Computing state */ 322 COND_SYSCALL(seccomp); 323 324 COND_SYSCALL(memfd_create); 325 326 /* access BPF programs and maps */ 327 COND_SYSCALL(bpf); 328 329 /* execveat */ 330 COND_SYSCALL(execveat); 331 332 COND_SYSCALL(userfaultfd); 333 334 /* membarrier */ 335 COND_SYSCALL(membarrier); 336 337 COND_SYSCALL(mlock2); 338 339 COND_SYSCALL(copy_file_range); 340 341 /* memory protection keys */ 342 COND_SYSCALL(pkey_mprotect); 343 COND_SYSCALL(pkey_alloc); 344 COND_SYSCALL(pkey_free); 345 346 347 /* 348 * Architecture specific weak syscall entries. 349 */ 350 351 /* pciconfig: alpha, arm, arm64, ia64, sparc */ 352 COND_SYSCALL(pciconfig_read); 353 COND_SYSCALL(pciconfig_write); 354 COND_SYSCALL(pciconfig_iobase); 355 356 /* sys_socketcall: arm, mips, x86, ... */ 357 COND_SYSCALL(socketcall); 358 COND_SYSCALL_COMPAT(socketcall); 359 360 /* compat syscalls for arm64, x86, ... */ 361 COND_SYSCALL_COMPAT(sysctl); 362 COND_SYSCALL_COMPAT(fanotify_mark); 363 364 /* x86 */ 365 COND_SYSCALL(vm86old); 366 COND_SYSCALL(modify_ldt); 367 COND_SYSCALL_COMPAT(quotactl32); 368 COND_SYSCALL(vm86); 369 COND_SYSCALL(kexec_file_load); 370 371 /* s390 */ 372 COND_SYSCALL(s390_pci_mmio_read); 373 COND_SYSCALL(s390_pci_mmio_write); 374 COND_SYSCALL(s390_ipc); 375 COND_SYSCALL_COMPAT(s390_ipc); 376 377 /* powerpc */ 378 COND_SYSCALL(rtas); 379 COND_SYSCALL(spu_run); 380 COND_SYSCALL(spu_create); 381 COND_SYSCALL(subpage_prot); 382 383 384 /* 385 * Deprecated system calls which are still defined in 386 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch 387 */ 388 389 /* __ARCH_WANT_SYSCALL_NO_FLAGS */ 390 COND_SYSCALL(epoll_create); 391 COND_SYSCALL(inotify_init); 392 COND_SYSCALL(eventfd); 393 COND_SYSCALL(signalfd); 394 COND_SYSCALL_COMPAT(signalfd); 395 396 /* __ARCH_WANT_SYSCALL_OFF_T */ 397 COND_SYSCALL(fadvise64); 398 399 /* __ARCH_WANT_SYSCALL_DEPRECATED */ 400 COND_SYSCALL(epoll_wait); 401 COND_SYSCALL(recv); 402 COND_SYSCALL_COMPAT(recv); 403 COND_SYSCALL(send); 404 COND_SYSCALL(bdflush); 405 COND_SYSCALL(uselib); 406 407 408 /* 409 * The syscalls below are not found in include/uapi/asm-generic/unistd.h 410 */ 411 412 /* obsolete: SGETMASK_SYSCALL */ 413 COND_SYSCALL(sgetmask); 414 COND_SYSCALL(ssetmask); 415 416 /* obsolete: SYSFS_SYSCALL */ 417 COND_SYSCALL(sysfs); 418 419 /* obsolete: __ARCH_WANT_SYS_IPC */ 420 COND_SYSCALL(ipc); 421 COND_SYSCALL_COMPAT(ipc); 422 423 /* obsolete: UID16 */ 424 COND_SYSCALL(chown16); 425 COND_SYSCALL(fchown16); 426 COND_SYSCALL(getegid16); 427 COND_SYSCALL(geteuid16); 428 COND_SYSCALL(getgid16); 429 COND_SYSCALL(getgroups16); 430 COND_SYSCALL(getresgid16); 431 COND_SYSCALL(getresuid16); 432 COND_SYSCALL(getuid16); 433 COND_SYSCALL(lchown16); 434 COND_SYSCALL(setfsgid16); 435 COND_SYSCALL(setfsuid16); 436 COND_SYSCALL(setgid16); 437 COND_SYSCALL(setgroups16); 438 COND_SYSCALL(setregid16); 439 COND_SYSCALL(setresgid16); 440 COND_SYSCALL(setresuid16); 441 COND_SYSCALL(setreuid16); 442 COND_SYSCALL(setuid16); 443 444 /* restartable sequence */ 445 COND_SYSCALL(rseq); 446