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); 50 COND_SYSCALL_COMPAT(io_pgetevents_time64); 51 COND_SYSCALL(io_uring_setup); 52 COND_SYSCALL(io_uring_enter); 53 COND_SYSCALL(io_uring_register); 54 COND_SYSCALL(eventfd2); 55 COND_SYSCALL(epoll_create1); 56 COND_SYSCALL(epoll_ctl); 57 COND_SYSCALL(epoll_pwait); 58 COND_SYSCALL_COMPAT(epoll_pwait); 59 COND_SYSCALL(epoll_pwait2); 60 COND_SYSCALL_COMPAT(epoll_pwait2); 61 COND_SYSCALL(inotify_init1); 62 COND_SYSCALL(inotify_add_watch); 63 COND_SYSCALL(inotify_rm_watch); 64 COND_SYSCALL(ioprio_set); 65 COND_SYSCALL(ioprio_get); 66 COND_SYSCALL(flock); 67 COND_SYSCALL(quotactl); 68 COND_SYSCALL(quotactl_fd); 69 COND_SYSCALL(signalfd4); 70 COND_SYSCALL_COMPAT(signalfd4); 71 COND_SYSCALL(timerfd_create); 72 COND_SYSCALL(timerfd_settime); 73 COND_SYSCALL(timerfd_settime32); 74 COND_SYSCALL(timerfd_gettime); 75 COND_SYSCALL(timerfd_gettime32); 76 COND_SYSCALL(acct); 77 COND_SYSCALL(capget); 78 COND_SYSCALL(capset); 79 COND_SYSCALL(futex); 80 COND_SYSCALL(futex_time32); 81 COND_SYSCALL(set_robust_list); 82 COND_SYSCALL_COMPAT(set_robust_list); 83 COND_SYSCALL(get_robust_list); 84 COND_SYSCALL_COMPAT(get_robust_list); 85 COND_SYSCALL(futex_waitv); 86 COND_SYSCALL(futex_wake); 87 COND_SYSCALL(futex_wait); 88 COND_SYSCALL(futex_requeue); 89 COND_SYSCALL(kexec_load); 90 COND_SYSCALL_COMPAT(kexec_load); 91 COND_SYSCALL(init_module); 92 COND_SYSCALL(delete_module); 93 COND_SYSCALL(syslog); 94 COND_SYSCALL(setregid); 95 COND_SYSCALL(setgid); 96 COND_SYSCALL(setreuid); 97 COND_SYSCALL(setuid); 98 COND_SYSCALL(setresuid); 99 COND_SYSCALL(getresuid); 100 COND_SYSCALL(setresgid); 101 COND_SYSCALL(getresgid); 102 COND_SYSCALL(setfsuid); 103 COND_SYSCALL(setfsgid); 104 COND_SYSCALL(setgroups); 105 COND_SYSCALL(getgroups); 106 COND_SYSCALL(mq_open); 107 COND_SYSCALL_COMPAT(mq_open); 108 COND_SYSCALL(mq_unlink); 109 COND_SYSCALL(mq_timedsend); 110 COND_SYSCALL(mq_timedsend_time32); 111 COND_SYSCALL(mq_timedreceive); 112 COND_SYSCALL(mq_timedreceive_time32); 113 COND_SYSCALL(mq_notify); 114 COND_SYSCALL_COMPAT(mq_notify); 115 COND_SYSCALL(mq_getsetattr); 116 COND_SYSCALL_COMPAT(mq_getsetattr); 117 COND_SYSCALL(msgget); 118 COND_SYSCALL(old_msgctl); 119 COND_SYSCALL(msgctl); 120 COND_SYSCALL_COMPAT(msgctl); 121 COND_SYSCALL_COMPAT(old_msgctl); 122 COND_SYSCALL(msgrcv); 123 COND_SYSCALL_COMPAT(msgrcv); 124 COND_SYSCALL(msgsnd); 125 COND_SYSCALL_COMPAT(msgsnd); 126 COND_SYSCALL(semget); 127 COND_SYSCALL(old_semctl); 128 COND_SYSCALL(semctl); 129 COND_SYSCALL_COMPAT(semctl); 130 COND_SYSCALL_COMPAT(old_semctl); 131 COND_SYSCALL(semtimedop); 132 COND_SYSCALL(semtimedop_time32); 133 COND_SYSCALL(semop); 134 COND_SYSCALL(shmget); 135 COND_SYSCALL(old_shmctl); 136 COND_SYSCALL(shmctl); 137 COND_SYSCALL_COMPAT(shmctl); 138 COND_SYSCALL_COMPAT(old_shmctl); 139 COND_SYSCALL(shmat); 140 COND_SYSCALL_COMPAT(shmat); 141 COND_SYSCALL(shmdt); 142 COND_SYSCALL(socket); 143 COND_SYSCALL(socketpair); 144 COND_SYSCALL(bind); 145 COND_SYSCALL(listen); 146 COND_SYSCALL(accept); 147 COND_SYSCALL(connect); 148 COND_SYSCALL(getsockname); 149 COND_SYSCALL(getpeername); 150 COND_SYSCALL(setsockopt); 151 COND_SYSCALL_COMPAT(setsockopt); 152 COND_SYSCALL(getsockopt); 153 COND_SYSCALL_COMPAT(getsockopt); 154 COND_SYSCALL(sendto); 155 COND_SYSCALL(shutdown); 156 COND_SYSCALL(recvfrom); 157 COND_SYSCALL_COMPAT(recvfrom); 158 COND_SYSCALL(sendmsg); 159 COND_SYSCALL_COMPAT(sendmsg); 160 COND_SYSCALL(recvmsg); 161 COND_SYSCALL_COMPAT(recvmsg); 162 COND_SYSCALL(mremap); 163 COND_SYSCALL(add_key); 164 COND_SYSCALL(request_key); 165 COND_SYSCALL(keyctl); 166 COND_SYSCALL_COMPAT(keyctl); 167 COND_SYSCALL(landlock_create_ruleset); 168 COND_SYSCALL(landlock_add_rule); 169 COND_SYSCALL(landlock_restrict_self); 170 COND_SYSCALL(fadvise64_64); 171 COND_SYSCALL_COMPAT(fadvise64_64); 172 COND_SYSCALL(lsm_get_self_attr); 173 COND_SYSCALL(lsm_set_self_attr); 174 COND_SYSCALL(lsm_list_modules); 175 176 /* CONFIG_MMU only */ 177 COND_SYSCALL(swapon); 178 COND_SYSCALL(swapoff); 179 COND_SYSCALL(mprotect); 180 COND_SYSCALL(msync); 181 COND_SYSCALL(mlock); 182 COND_SYSCALL(munlock); 183 COND_SYSCALL(mlockall); 184 COND_SYSCALL(munlockall); 185 COND_SYSCALL(mincore); 186 COND_SYSCALL(madvise); 187 COND_SYSCALL(process_madvise); 188 COND_SYSCALL(process_mrelease); 189 COND_SYSCALL(remap_file_pages); 190 COND_SYSCALL(mbind); 191 COND_SYSCALL(get_mempolicy); 192 COND_SYSCALL(set_mempolicy); 193 COND_SYSCALL(migrate_pages); 194 COND_SYSCALL(move_pages); 195 COND_SYSCALL(set_mempolicy_home_node); 196 COND_SYSCALL(cachestat); 197 COND_SYSCALL(mseal); 198 199 COND_SYSCALL(perf_event_open); 200 COND_SYSCALL(accept4); 201 COND_SYSCALL(recvmmsg); 202 COND_SYSCALL(recvmmsg_time32); 203 COND_SYSCALL_COMPAT(recvmmsg_time32); 204 COND_SYSCALL_COMPAT(recvmmsg_time64); 205 206 /* Posix timer syscalls may be configured out */ 207 COND_SYSCALL(timer_create); 208 COND_SYSCALL(timer_gettime); 209 COND_SYSCALL(timer_getoverrun); 210 COND_SYSCALL(timer_settime); 211 COND_SYSCALL(timer_delete); 212 COND_SYSCALL(clock_adjtime); 213 COND_SYSCALL(getitimer); 214 COND_SYSCALL(setitimer); 215 COND_SYSCALL(alarm); 216 COND_SYSCALL_COMPAT(timer_create); 217 COND_SYSCALL_COMPAT(getitimer); 218 COND_SYSCALL_COMPAT(setitimer); 219 220 /* 221 * Architecture specific syscalls: see further below 222 */ 223 224 /* fanotify */ 225 COND_SYSCALL(fanotify_init); 226 COND_SYSCALL(fanotify_mark); 227 228 /* open by handle */ 229 COND_SYSCALL(name_to_handle_at); 230 COND_SYSCALL(open_by_handle_at); 231 COND_SYSCALL_COMPAT(open_by_handle_at); 232 233 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); 239 240 /* compare kernel pointers */ 241 COND_SYSCALL(kcmp); 242 243 COND_SYSCALL(finit_module); 244 245 /* operate on Secure Computing state */ 246 COND_SYSCALL(seccomp); 247 248 COND_SYSCALL(memfd_create); 249 250 /* access BPF programs and maps */ 251 COND_SYSCALL(bpf); 252 253 /* execveat */ 254 COND_SYSCALL(execveat); 255 256 COND_SYSCALL(userfaultfd); 257 258 /* membarrier */ 259 COND_SYSCALL(membarrier); 260 261 COND_SYSCALL(mlock2); 262 263 COND_SYSCALL(copy_file_range); 264 265 /* memory protection keys */ 266 COND_SYSCALL(pkey_mprotect); 267 COND_SYSCALL(pkey_alloc); 268 COND_SYSCALL(pkey_free); 269 270 /* memfd_secret */ 271 COND_SYSCALL(memfd_secret); 272 273 /* 274 * Architecture specific weak syscall entries. 275 */ 276 277 /* pciconfig: alpha, arm, arm64, ia64, sparc */ 278 COND_SYSCALL(pciconfig_read); 279 COND_SYSCALL(pciconfig_write); 280 COND_SYSCALL(pciconfig_iobase); 281 282 /* sys_socketcall: arm, mips, x86, ... */ 283 COND_SYSCALL(socketcall); 284 COND_SYSCALL_COMPAT(socketcall); 285 286 /* compat syscalls for arm64, x86, ... */ 287 COND_SYSCALL_COMPAT(fanotify_mark); 288 289 /* x86 */ 290 COND_SYSCALL(vm86old); 291 COND_SYSCALL(modify_ldt); 292 COND_SYSCALL(vm86); 293 COND_SYSCALL(kexec_file_load); 294 COND_SYSCALL(map_shadow_stack); 295 296 /* s390 */ 297 COND_SYSCALL(s390_pci_mmio_read); 298 COND_SYSCALL(s390_pci_mmio_write); 299 COND_SYSCALL(s390_ipc); 300 COND_SYSCALL_COMPAT(s390_ipc); 301 302 /* powerpc */ 303 COND_SYSCALL(rtas); 304 COND_SYSCALL(spu_run); 305 COND_SYSCALL(spu_create); 306 COND_SYSCALL(subpage_prot); 307 308 309 /* 310 * Deprecated system calls which are still defined in 311 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch 312 */ 313 314 /* __ARCH_WANT_SYSCALL_NO_FLAGS */ 315 COND_SYSCALL(epoll_create); 316 COND_SYSCALL(inotify_init); 317 COND_SYSCALL(eventfd); 318 COND_SYSCALL(signalfd); 319 COND_SYSCALL_COMPAT(signalfd); 320 321 /* __ARCH_WANT_SYSCALL_OFF_T */ 322 COND_SYSCALL(fadvise64); 323 324 /* __ARCH_WANT_SYSCALL_DEPRECATED */ 325 COND_SYSCALL(epoll_wait); 326 COND_SYSCALL(recv); 327 COND_SYSCALL_COMPAT(recv); 328 COND_SYSCALL(send); 329 COND_SYSCALL(uselib); 330 331 /* optional: time32 */ 332 COND_SYSCALL(time32); 333 COND_SYSCALL(stime32); 334 COND_SYSCALL(utime32); 335 COND_SYSCALL(adjtimex_time32); 336 COND_SYSCALL(sched_rr_get_interval_time32); 337 COND_SYSCALL(nanosleep_time32); 338 COND_SYSCALL(rt_sigtimedwait_time32); 339 COND_SYSCALL_COMPAT(rt_sigtimedwait_time32); 340 COND_SYSCALL(timer_settime32); 341 COND_SYSCALL(timer_gettime32); 342 COND_SYSCALL(clock_settime32); 343 COND_SYSCALL(clock_gettime32); 344 COND_SYSCALL(clock_getres_time32); 345 COND_SYSCALL(clock_nanosleep_time32); 346 COND_SYSCALL(utimes_time32); 347 COND_SYSCALL(futimesat_time32); 348 COND_SYSCALL(pselect6_time32); 349 COND_SYSCALL_COMPAT(pselect6_time32); 350 COND_SYSCALL(ppoll_time32); 351 COND_SYSCALL_COMPAT(ppoll_time32); 352 COND_SYSCALL(utimensat_time32); 353 COND_SYSCALL(clock_adjtime32); 354 355 /* 356 * The syscalls below are not found in include/uapi/asm-generic/unistd.h 357 */ 358 359 /* obsolete: SGETMASK_SYSCALL */ 360 COND_SYSCALL(sgetmask); 361 COND_SYSCALL(ssetmask); 362 363 /* obsolete: SYSFS_SYSCALL */ 364 COND_SYSCALL(sysfs); 365 366 /* obsolete: __ARCH_WANT_SYS_IPC */ 367 COND_SYSCALL(ipc); 368 COND_SYSCALL_COMPAT(ipc); 369 370 /* obsolete: UID16 */ 371 COND_SYSCALL(chown16); 372 COND_SYSCALL(fchown16); 373 COND_SYSCALL(getegid16); 374 COND_SYSCALL(geteuid16); 375 COND_SYSCALL(getgid16); 376 COND_SYSCALL(getgroups16); 377 COND_SYSCALL(getresgid16); 378 COND_SYSCALL(getresuid16); 379 COND_SYSCALL(getuid16); 380 COND_SYSCALL(lchown16); 381 COND_SYSCALL(setfsgid16); 382 COND_SYSCALL(setfsuid16); 383 COND_SYSCALL(setgid16); 384 COND_SYSCALL(setgroups16); 385 COND_SYSCALL(setregid16); 386 COND_SYSCALL(setresgid16); 387 COND_SYSCALL(setresuid16); 388 COND_SYSCALL(setreuid16); 389 COND_SYSCALL(setuid16); 390 391 /* restartable sequence */ 392 COND_SYSCALL(rseq); 393 394 COND_SYSCALL(uretprobe); 395