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 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 /* __ARCH_WANT_SYS_CLONE3 */ 80 COND_SYSCALL(clone3); 81 COND_SYSCALL(futex); 82 COND_SYSCALL(futex_time32); 83 COND_SYSCALL(set_robust_list); 84 COND_SYSCALL_COMPAT(set_robust_list); 85 COND_SYSCALL(get_robust_list); 86 COND_SYSCALL_COMPAT(get_robust_list); 87 COND_SYSCALL(futex_waitv); 88 COND_SYSCALL(futex_wake); 89 COND_SYSCALL(futex_wait); 90 COND_SYSCALL(futex_requeue); 91 COND_SYSCALL(kexec_load); 92 COND_SYSCALL_COMPAT(kexec_load); 93 COND_SYSCALL(init_module); 94 COND_SYSCALL(delete_module); 95 COND_SYSCALL(syslog); 96 COND_SYSCALL(setregid); 97 COND_SYSCALL(setgid); 98 COND_SYSCALL(setreuid); 99 COND_SYSCALL(setuid); 100 COND_SYSCALL(setresuid); 101 COND_SYSCALL(getresuid); 102 COND_SYSCALL(setresgid); 103 COND_SYSCALL(getresgid); 104 COND_SYSCALL(setfsuid); 105 COND_SYSCALL(setfsgid); 106 COND_SYSCALL(setgroups); 107 COND_SYSCALL(getgroups); 108 COND_SYSCALL(mq_open); 109 COND_SYSCALL_COMPAT(mq_open); 110 COND_SYSCALL(mq_unlink); 111 COND_SYSCALL(mq_timedsend); 112 COND_SYSCALL(mq_timedsend_time32); 113 COND_SYSCALL(mq_timedreceive); 114 COND_SYSCALL(mq_timedreceive_time32); 115 COND_SYSCALL(mq_notify); 116 COND_SYSCALL_COMPAT(mq_notify); 117 COND_SYSCALL(mq_getsetattr); 118 COND_SYSCALL_COMPAT(mq_getsetattr); 119 COND_SYSCALL(msgget); 120 COND_SYSCALL(old_msgctl); 121 COND_SYSCALL(msgctl); 122 COND_SYSCALL_COMPAT(msgctl); 123 COND_SYSCALL_COMPAT(old_msgctl); 124 COND_SYSCALL(msgrcv); 125 COND_SYSCALL_COMPAT(msgrcv); 126 COND_SYSCALL(msgsnd); 127 COND_SYSCALL_COMPAT(msgsnd); 128 COND_SYSCALL(semget); 129 COND_SYSCALL(old_semctl); 130 COND_SYSCALL(semctl); 131 COND_SYSCALL_COMPAT(semctl); 132 COND_SYSCALL_COMPAT(old_semctl); 133 COND_SYSCALL(semtimedop); 134 COND_SYSCALL(semtimedop_time32); 135 COND_SYSCALL(semop); 136 COND_SYSCALL(shmget); 137 COND_SYSCALL(old_shmctl); 138 COND_SYSCALL(shmctl); 139 COND_SYSCALL_COMPAT(shmctl); 140 COND_SYSCALL_COMPAT(old_shmctl); 141 COND_SYSCALL(shmat); 142 COND_SYSCALL_COMPAT(shmat); 143 COND_SYSCALL(shmdt); 144 COND_SYSCALL(socket); 145 COND_SYSCALL(socketpair); 146 COND_SYSCALL(bind); 147 COND_SYSCALL(listen); 148 COND_SYSCALL(accept); 149 COND_SYSCALL(connect); 150 COND_SYSCALL(getsockname); 151 COND_SYSCALL(getpeername); 152 COND_SYSCALL(setsockopt); 153 COND_SYSCALL_COMPAT(setsockopt); 154 COND_SYSCALL(getsockopt); 155 COND_SYSCALL_COMPAT(getsockopt); 156 COND_SYSCALL(sendto); 157 COND_SYSCALL(shutdown); 158 COND_SYSCALL(recvfrom); 159 COND_SYSCALL_COMPAT(recvfrom); 160 COND_SYSCALL(sendmsg); 161 COND_SYSCALL_COMPAT(sendmsg); 162 COND_SYSCALL(recvmsg); 163 COND_SYSCALL_COMPAT(recvmsg); 164 COND_SYSCALL(mremap); 165 COND_SYSCALL(add_key); 166 COND_SYSCALL(request_key); 167 COND_SYSCALL(keyctl); 168 COND_SYSCALL_COMPAT(keyctl); 169 COND_SYSCALL(landlock_create_ruleset); 170 COND_SYSCALL(landlock_add_rule); 171 COND_SYSCALL(landlock_restrict_self); 172 COND_SYSCALL(fadvise64_64); 173 COND_SYSCALL_COMPAT(fadvise64_64); 174 COND_SYSCALL(lsm_get_self_attr); 175 COND_SYSCALL(lsm_set_self_attr); 176 COND_SYSCALL(lsm_list_modules); 177 178 /* CONFIG_MMU only */ 179 COND_SYSCALL(swapon); 180 COND_SYSCALL(swapoff); 181 COND_SYSCALL(mprotect); 182 COND_SYSCALL(msync); 183 COND_SYSCALL(mlock); 184 COND_SYSCALL(munlock); 185 COND_SYSCALL(mlockall); 186 COND_SYSCALL(munlockall); 187 COND_SYSCALL(mincore); 188 COND_SYSCALL(madvise); 189 COND_SYSCALL(process_madvise); 190 COND_SYSCALL(process_mrelease); 191 COND_SYSCALL(remap_file_pages); 192 COND_SYSCALL(mbind); 193 COND_SYSCALL(get_mempolicy); 194 COND_SYSCALL(set_mempolicy); 195 COND_SYSCALL(migrate_pages); 196 COND_SYSCALL(move_pages); 197 COND_SYSCALL(set_mempolicy_home_node); 198 COND_SYSCALL(cachestat); 199 200 COND_SYSCALL(perf_event_open); 201 COND_SYSCALL(accept4); 202 COND_SYSCALL(recvmmsg); 203 COND_SYSCALL(recvmmsg_time32); 204 COND_SYSCALL_COMPAT(recvmmsg_time32); 205 COND_SYSCALL_COMPAT(recvmmsg_time64); 206 207 /* Posix timer syscalls may be configured out */ 208 COND_SYSCALL(timer_create); 209 COND_SYSCALL(timer_gettime); 210 COND_SYSCALL(timer_getoverrun); 211 COND_SYSCALL(timer_settime); 212 COND_SYSCALL(timer_delete); 213 COND_SYSCALL(clock_adjtime); 214 COND_SYSCALL(getitimer); 215 COND_SYSCALL(setitimer); 216 COND_SYSCALL(alarm); 217 COND_SYSCALL_COMPAT(timer_create); 218 COND_SYSCALL_COMPAT(getitimer); 219 COND_SYSCALL_COMPAT(setitimer); 220 221 /* 222 * Architecture specific syscalls: see further below 223 */ 224 225 /* fanotify */ 226 COND_SYSCALL(fanotify_init); 227 COND_SYSCALL(fanotify_mark); 228 229 /* open by handle */ 230 COND_SYSCALL(name_to_handle_at); 231 COND_SYSCALL(open_by_handle_at); 232 COND_SYSCALL_COMPAT(open_by_handle_at); 233 234 COND_SYSCALL(sendmmsg); 235 COND_SYSCALL_COMPAT(sendmmsg); 236 COND_SYSCALL(process_vm_readv); 237 COND_SYSCALL_COMPAT(process_vm_readv); 238 COND_SYSCALL(process_vm_writev); 239 COND_SYSCALL_COMPAT(process_vm_writev); 240 241 /* compare kernel pointers */ 242 COND_SYSCALL(kcmp); 243 244 COND_SYSCALL(finit_module); 245 246 /* operate on Secure Computing state */ 247 COND_SYSCALL(seccomp); 248 249 COND_SYSCALL(memfd_create); 250 251 /* access BPF programs and maps */ 252 COND_SYSCALL(bpf); 253 254 /* execveat */ 255 COND_SYSCALL(execveat); 256 257 COND_SYSCALL(userfaultfd); 258 259 /* membarrier */ 260 COND_SYSCALL(membarrier); 261 262 COND_SYSCALL(mlock2); 263 264 COND_SYSCALL(copy_file_range); 265 266 /* memory protection keys */ 267 COND_SYSCALL(pkey_mprotect); 268 COND_SYSCALL(pkey_alloc); 269 COND_SYSCALL(pkey_free); 270 271 /* memfd_secret */ 272 COND_SYSCALL(memfd_secret); 273 274 /* 275 * Architecture specific weak syscall entries. 276 */ 277 278 /* pciconfig: alpha, arm, arm64, ia64, sparc */ 279 COND_SYSCALL(pciconfig_read); 280 COND_SYSCALL(pciconfig_write); 281 COND_SYSCALL(pciconfig_iobase); 282 283 /* sys_socketcall: arm, mips, x86, ... */ 284 COND_SYSCALL(socketcall); 285 COND_SYSCALL_COMPAT(socketcall); 286 287 /* compat syscalls for arm64, x86, ... */ 288 COND_SYSCALL_COMPAT(fanotify_mark); 289 290 /* x86 */ 291 COND_SYSCALL(vm86old); 292 COND_SYSCALL(modify_ldt); 293 COND_SYSCALL(vm86); 294 COND_SYSCALL(kexec_file_load); 295 COND_SYSCALL(map_shadow_stack); 296 297 /* s390 */ 298 COND_SYSCALL(s390_pci_mmio_read); 299 COND_SYSCALL(s390_pci_mmio_write); 300 COND_SYSCALL(s390_ipc); 301 COND_SYSCALL_COMPAT(s390_ipc); 302 303 /* powerpc */ 304 COND_SYSCALL(rtas); 305 COND_SYSCALL(spu_run); 306 COND_SYSCALL(spu_create); 307 COND_SYSCALL(subpage_prot); 308 309 310 /* 311 * Deprecated system calls which are still defined in 312 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch 313 */ 314 315 /* __ARCH_WANT_SYSCALL_NO_FLAGS */ 316 COND_SYSCALL(epoll_create); 317 COND_SYSCALL(inotify_init); 318 COND_SYSCALL(eventfd); 319 COND_SYSCALL(signalfd); 320 COND_SYSCALL_COMPAT(signalfd); 321 322 /* __ARCH_WANT_SYSCALL_OFF_T */ 323 COND_SYSCALL(fadvise64); 324 325 /* __ARCH_WANT_SYSCALL_DEPRECATED */ 326 COND_SYSCALL(epoll_wait); 327 COND_SYSCALL(recv); 328 COND_SYSCALL_COMPAT(recv); 329 COND_SYSCALL(send); 330 COND_SYSCALL(uselib); 331 332 /* optional: time32 */ 333 COND_SYSCALL(time32); 334 COND_SYSCALL(stime32); 335 COND_SYSCALL(utime32); 336 COND_SYSCALL(adjtimex_time32); 337 COND_SYSCALL(sched_rr_get_interval_time32); 338 COND_SYSCALL(nanosleep_time32); 339 COND_SYSCALL(rt_sigtimedwait_time32); 340 COND_SYSCALL_COMPAT(rt_sigtimedwait_time32); 341 COND_SYSCALL(timer_settime32); 342 COND_SYSCALL(timer_gettime32); 343 COND_SYSCALL(clock_settime32); 344 COND_SYSCALL(clock_gettime32); 345 COND_SYSCALL(clock_getres_time32); 346 COND_SYSCALL(clock_nanosleep_time32); 347 COND_SYSCALL(utimes_time32); 348 COND_SYSCALL(futimesat_time32); 349 COND_SYSCALL(pselect6_time32); 350 COND_SYSCALL_COMPAT(pselect6_time32); 351 COND_SYSCALL(ppoll_time32); 352 COND_SYSCALL_COMPAT(ppoll_time32); 353 COND_SYSCALL(utimensat_time32); 354 COND_SYSCALL(clock_adjtime32); 355 356 /* 357 * The syscalls below are not found in include/uapi/asm-generic/unistd.h 358 */ 359 360 /* obsolete: SGETMASK_SYSCALL */ 361 COND_SYSCALL(sgetmask); 362 COND_SYSCALL(ssetmask); 363 364 /* obsolete: SYSFS_SYSCALL */ 365 COND_SYSCALL(sysfs); 366 367 /* obsolete: __ARCH_WANT_SYS_IPC */ 368 COND_SYSCALL(ipc); 369 COND_SYSCALL_COMPAT(ipc); 370 371 /* obsolete: UID16 */ 372 COND_SYSCALL(chown16); 373 COND_SYSCALL(fchown16); 374 COND_SYSCALL(getegid16); 375 COND_SYSCALL(geteuid16); 376 COND_SYSCALL(getgid16); 377 COND_SYSCALL(getgroups16); 378 COND_SYSCALL(getresgid16); 379 COND_SYSCALL(getresuid16); 380 COND_SYSCALL(getuid16); 381 COND_SYSCALL(lchown16); 382 COND_SYSCALL(setfsgid16); 383 COND_SYSCALL(setfsuid16); 384 COND_SYSCALL(setgid16); 385 COND_SYSCALL(setgroups16); 386 COND_SYSCALL(setregid16); 387 COND_SYSCALL(setresgid16); 388 COND_SYSCALL(setresuid16); 389 COND_SYSCALL(setreuid16); 390 COND_SYSCALL(setuid16); 391 392 /* restartable sequence */ 393 COND_SYSCALL(rseq); 394