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); 46 COND_SYSCALL(io_pgetevents); 47 COND_SYSCALL_COMPAT(io_getevents); 48 COND_SYSCALL_COMPAT(io_pgetevents); 49 50 /* fs/xattr.c */ 51 52 /* fs/dcache.c */ 53 54 /* fs/cookies.c */ 55 COND_SYSCALL(lookup_dcookie); 56 COND_SYSCALL_COMPAT(lookup_dcookie); 57 58 /* fs/eventfd.c */ 59 COND_SYSCALL(eventfd2); 60 61 /* fs/eventfd.c */ 62 COND_SYSCALL(epoll_create1); 63 COND_SYSCALL(epoll_ctl); 64 COND_SYSCALL(epoll_pwait); 65 COND_SYSCALL_COMPAT(epoll_pwait); 66 67 /* fs/fcntl.c */ 68 69 /* fs/inotify_user.c */ 70 COND_SYSCALL(inotify_init1); 71 COND_SYSCALL(inotify_add_watch); 72 COND_SYSCALL(inotify_rm_watch); 73 74 /* fs/ioctl.c */ 75 76 /* fs/ioprio.c */ 77 COND_SYSCALL(ioprio_set); 78 COND_SYSCALL(ioprio_get); 79 80 /* fs/locks.c */ 81 COND_SYSCALL(flock); 82 83 /* fs/namei.c */ 84 85 /* fs/namespace.c */ 86 87 /* fs/nfsctl.c */ 88 89 /* fs/open.c */ 90 91 /* fs/pipe.c */ 92 93 /* fs/quota.c */ 94 COND_SYSCALL(quotactl); 95 96 /* fs/readdir.c */ 97 98 /* fs/read_write.c */ 99 100 /* fs/sendfile.c */ 101 102 /* fs/select.c */ 103 104 /* fs/signalfd.c */ 105 COND_SYSCALL(signalfd4); 106 COND_SYSCALL_COMPAT(signalfd4); 107 108 /* fs/splice.c */ 109 110 /* fs/stat.c */ 111 112 /* fs/sync.c */ 113 114 /* fs/timerfd.c */ 115 COND_SYSCALL(timerfd_create); 116 COND_SYSCALL(timerfd_settime); 117 COND_SYSCALL_COMPAT(timerfd_settime); 118 COND_SYSCALL(timerfd_gettime); 119 COND_SYSCALL_COMPAT(timerfd_gettime); 120 121 /* fs/utimes.c */ 122 123 /* kernel/acct.c */ 124 COND_SYSCALL(acct); 125 126 /* kernel/capability.c */ 127 COND_SYSCALL(capget); 128 COND_SYSCALL(capset); 129 130 /* kernel/exec_domain.c */ 131 132 /* kernel/exit.c */ 133 134 /* kernel/fork.c */ 135 136 /* kernel/futex.c */ 137 COND_SYSCALL(futex); 138 COND_SYSCALL_COMPAT(futex); 139 COND_SYSCALL(set_robust_list); 140 COND_SYSCALL_COMPAT(set_robust_list); 141 COND_SYSCALL(get_robust_list); 142 COND_SYSCALL_COMPAT(get_robust_list); 143 144 /* kernel/hrtimer.c */ 145 146 /* kernel/itimer.c */ 147 148 /* kernel/kexec.c */ 149 COND_SYSCALL(kexec_load); 150 COND_SYSCALL_COMPAT(kexec_load); 151 152 /* kernel/module.c */ 153 COND_SYSCALL(init_module); 154 COND_SYSCALL(delete_module); 155 156 /* kernel/posix-timers.c */ 157 158 /* kernel/printk.c */ 159 COND_SYSCALL(syslog); 160 161 /* kernel/ptrace.c */ 162 163 /* kernel/sched/core.c */ 164 165 /* kernel/signal.c */ 166 167 /* kernel/sys.c */ 168 COND_SYSCALL(setregid); 169 COND_SYSCALL(setgid); 170 COND_SYSCALL(setreuid); 171 COND_SYSCALL(setuid); 172 COND_SYSCALL(setresuid); 173 COND_SYSCALL(getresuid); 174 COND_SYSCALL(setresgid); 175 COND_SYSCALL(getresgid); 176 COND_SYSCALL(setfsuid); 177 COND_SYSCALL(setfsgid); 178 COND_SYSCALL(setgroups); 179 COND_SYSCALL(getgroups); 180 181 /* kernel/time.c */ 182 183 /* kernel/timer.c */ 184 185 /* ipc/mqueue.c */ 186 COND_SYSCALL(mq_open); 187 COND_SYSCALL_COMPAT(mq_open); 188 COND_SYSCALL(mq_unlink); 189 COND_SYSCALL(mq_timedsend); 190 COND_SYSCALL_COMPAT(mq_timedsend); 191 COND_SYSCALL(mq_timedreceive); 192 COND_SYSCALL_COMPAT(mq_timedreceive); 193 COND_SYSCALL(mq_notify); 194 COND_SYSCALL_COMPAT(mq_notify); 195 COND_SYSCALL(mq_getsetattr); 196 COND_SYSCALL_COMPAT(mq_getsetattr); 197 198 /* ipc/msg.c */ 199 COND_SYSCALL(msgget); 200 COND_SYSCALL(msgctl); 201 COND_SYSCALL_COMPAT(msgctl); 202 COND_SYSCALL(msgrcv); 203 COND_SYSCALL_COMPAT(msgrcv); 204 COND_SYSCALL(msgsnd); 205 COND_SYSCALL_COMPAT(msgsnd); 206 207 /* ipc/sem.c */ 208 COND_SYSCALL(semget); 209 COND_SYSCALL(semctl); 210 COND_SYSCALL_COMPAT(semctl); 211 COND_SYSCALL(semtimedop); 212 COND_SYSCALL_COMPAT(semtimedop); 213 COND_SYSCALL(semop); 214 215 /* ipc/shm.c */ 216 COND_SYSCALL(shmget); 217 COND_SYSCALL(shmctl); 218 COND_SYSCALL_COMPAT(shmctl); 219 COND_SYSCALL(shmat); 220 COND_SYSCALL_COMPAT(shmat); 221 COND_SYSCALL(shmdt); 222 223 /* net/socket.c */ 224 COND_SYSCALL(socket); 225 COND_SYSCALL(socketpair); 226 COND_SYSCALL(bind); 227 COND_SYSCALL(listen); 228 COND_SYSCALL(accept); 229 COND_SYSCALL(connect); 230 COND_SYSCALL(getsockname); 231 COND_SYSCALL(getpeername); 232 COND_SYSCALL(setsockopt); 233 COND_SYSCALL_COMPAT(setsockopt); 234 COND_SYSCALL(getsockopt); 235 COND_SYSCALL_COMPAT(getsockopt); 236 COND_SYSCALL(sendto); 237 COND_SYSCALL(shutdown); 238 COND_SYSCALL(recvfrom); 239 COND_SYSCALL_COMPAT(recvfrom); 240 COND_SYSCALL(sendmsg); 241 COND_SYSCALL_COMPAT(sendmsg); 242 COND_SYSCALL(recvmsg); 243 COND_SYSCALL_COMPAT(recvmsg); 244 245 /* mm/filemap.c */ 246 247 /* mm/nommu.c, also with MMU */ 248 COND_SYSCALL(mremap); 249 250 /* security/keys/keyctl.c */ 251 COND_SYSCALL(add_key); 252 COND_SYSCALL(request_key); 253 COND_SYSCALL(keyctl); 254 COND_SYSCALL_COMPAT(keyctl); 255 256 /* arch/example/kernel/sys_example.c */ 257 258 /* mm/fadvise.c */ 259 COND_SYSCALL(fadvise64_64); 260 261 /* mm/, CONFIG_MMU only */ 262 COND_SYSCALL(swapon); 263 COND_SYSCALL(swapoff); 264 COND_SYSCALL(mprotect); 265 COND_SYSCALL(msync); 266 COND_SYSCALL(mlock); 267 COND_SYSCALL(munlock); 268 COND_SYSCALL(mlockall); 269 COND_SYSCALL(munlockall); 270 COND_SYSCALL(mincore); 271 COND_SYSCALL(madvise); 272 COND_SYSCALL(remap_file_pages); 273 COND_SYSCALL(mbind); 274 COND_SYSCALL_COMPAT(mbind); 275 COND_SYSCALL(get_mempolicy); 276 COND_SYSCALL_COMPAT(get_mempolicy); 277 COND_SYSCALL(set_mempolicy); 278 COND_SYSCALL_COMPAT(set_mempolicy); 279 COND_SYSCALL(migrate_pages); 280 COND_SYSCALL_COMPAT(migrate_pages); 281 COND_SYSCALL(move_pages); 282 COND_SYSCALL_COMPAT(move_pages); 283 284 COND_SYSCALL(perf_event_open); 285 COND_SYSCALL(accept4); 286 COND_SYSCALL(recvmmsg); 287 COND_SYSCALL_COMPAT(recvmmsg); 288 289 /* 290 * Architecture specific syscalls: see further below 291 */ 292 293 /* fanotify */ 294 COND_SYSCALL(fanotify_init); 295 COND_SYSCALL(fanotify_mark); 296 297 /* open by handle */ 298 COND_SYSCALL(name_to_handle_at); 299 COND_SYSCALL(open_by_handle_at); 300 COND_SYSCALL_COMPAT(open_by_handle_at); 301 302 COND_SYSCALL(sendmmsg); 303 COND_SYSCALL_COMPAT(sendmmsg); 304 COND_SYSCALL(process_vm_readv); 305 COND_SYSCALL_COMPAT(process_vm_readv); 306 COND_SYSCALL(process_vm_writev); 307 COND_SYSCALL_COMPAT(process_vm_writev); 308 309 /* compare kernel pointers */ 310 COND_SYSCALL(kcmp); 311 312 COND_SYSCALL(finit_module); 313 314 /* operate on Secure Computing state */ 315 COND_SYSCALL(seccomp); 316 317 COND_SYSCALL(memfd_create); 318 319 /* access BPF programs and maps */ 320 COND_SYSCALL(bpf); 321 322 /* execveat */ 323 COND_SYSCALL(execveat); 324 325 COND_SYSCALL(userfaultfd); 326 327 /* membarrier */ 328 COND_SYSCALL(membarrier); 329 330 COND_SYSCALL(mlock2); 331 332 COND_SYSCALL(copy_file_range); 333 334 /* memory protection keys */ 335 COND_SYSCALL(pkey_mprotect); 336 COND_SYSCALL(pkey_alloc); 337 COND_SYSCALL(pkey_free); 338 339 340 /* 341 * Architecture specific weak syscall entries. 342 */ 343 344 /* pciconfig: alpha, arm, arm64, ia64, sparc */ 345 COND_SYSCALL(pciconfig_read); 346 COND_SYSCALL(pciconfig_write); 347 COND_SYSCALL(pciconfig_iobase); 348 349 /* sys_socketcall: arm, mips, x86, ... */ 350 COND_SYSCALL(socketcall); 351 COND_SYSCALL_COMPAT(socketcall); 352 353 /* compat syscalls for arm64, x86, ... */ 354 COND_SYSCALL_COMPAT(sysctl); 355 COND_SYSCALL_COMPAT(fanotify_mark); 356 357 /* x86 */ 358 COND_SYSCALL(vm86old); 359 COND_SYSCALL(modify_ldt); 360 COND_SYSCALL_COMPAT(quotactl32); 361 COND_SYSCALL(vm86); 362 COND_SYSCALL(kexec_file_load); 363 364 /* s390 */ 365 COND_SYSCALL(s390_pci_mmio_read); 366 COND_SYSCALL(s390_pci_mmio_write); 367 COND_SYSCALL_COMPAT(s390_ipc); 368 369 /* powerpc */ 370 COND_SYSCALL(rtas); 371 COND_SYSCALL(spu_run); 372 COND_SYSCALL(spu_create); 373 COND_SYSCALL(subpage_prot); 374 375 376 /* 377 * Deprecated system calls which are still defined in 378 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch 379 */ 380 381 /* __ARCH_WANT_SYSCALL_NO_FLAGS */ 382 COND_SYSCALL(epoll_create); 383 COND_SYSCALL(inotify_init); 384 COND_SYSCALL(eventfd); 385 COND_SYSCALL(signalfd); 386 COND_SYSCALL_COMPAT(signalfd); 387 388 /* __ARCH_WANT_SYSCALL_OFF_T */ 389 COND_SYSCALL(fadvise64); 390 391 /* __ARCH_WANT_SYSCALL_DEPRECATED */ 392 COND_SYSCALL(epoll_wait); 393 COND_SYSCALL(recv); 394 COND_SYSCALL_COMPAT(recv); 395 COND_SYSCALL(send); 396 COND_SYSCALL(bdflush); 397 COND_SYSCALL(uselib); 398 399 400 /* 401 * The syscalls below are not found in include/uapi/asm-generic/unistd.h 402 */ 403 404 /* obsolete: SGETMASK_SYSCALL */ 405 COND_SYSCALL(sgetmask); 406 COND_SYSCALL(ssetmask); 407 408 /* obsolete: SYSFS_SYSCALL */ 409 COND_SYSCALL(sysfs); 410 411 /* obsolete: __ARCH_WANT_SYS_IPC */ 412 COND_SYSCALL(ipc); 413 COND_SYSCALL_COMPAT(ipc); 414 415 /* obsolete: UID16 */ 416 COND_SYSCALL(chown16); 417 COND_SYSCALL(fchown16); 418 COND_SYSCALL(getegid16); 419 COND_SYSCALL(geteuid16); 420 COND_SYSCALL(getgid16); 421 COND_SYSCALL(getgroups16); 422 COND_SYSCALL(getresgid16); 423 COND_SYSCALL(getresuid16); 424 COND_SYSCALL(getuid16); 425 COND_SYSCALL(lchown16); 426 COND_SYSCALL(setfsgid16); 427 COND_SYSCALL(setfsuid16); 428 COND_SYSCALL(setgid16); 429 COND_SYSCALL(setgroups16); 430 COND_SYSCALL(setregid16); 431 COND_SYSCALL(setresgid16); 432 COND_SYSCALL(setresuid16); 433 COND_SYSCALL(setreuid16); 434 COND_SYSCALL(setuid16); 435 436 /* restartable sequence */ 437 COND_SYSCALL(rseq); 438