Line data    Source code

       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         437 : asmlinkage long sys_ni_syscall(void)
      21             : {
      22         437 :         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           0 : COND_SYSCALL(io_setup);
      40           0 : COND_SYSCALL_COMPAT(io_setup);
      41           0 : COND_SYSCALL(io_destroy);
      42           0 : COND_SYSCALL(io_submit);
      43           0 : COND_SYSCALL_COMPAT(io_submit);
      44           0 : COND_SYSCALL(io_cancel);
      45           0 : COND_SYSCALL(io_getevents_time32);
      46           0 : COND_SYSCALL(io_getevents);
      47           0 : COND_SYSCALL(io_pgetevents_time32);
      48           0 : COND_SYSCALL(io_pgetevents);
      49           0 : COND_SYSCALL_COMPAT(io_pgetevents_time32);
      50           0 : COND_SYSCALL_COMPAT(io_pgetevents);
      51           0 : COND_SYSCALL(io_uring_setup);
      52           0 : COND_SYSCALL(io_uring_enter);
      53           0 : COND_SYSCALL(io_uring_register);
      54             : 
      55             : /* fs/xattr.c */
      56             : 
      57             : /* fs/dcache.c */
      58             : 
      59             : /* fs/cookies.c */
      60           0 : COND_SYSCALL(lookup_dcookie);
      61           0 : COND_SYSCALL_COMPAT(lookup_dcookie);
      62             : 
      63             : /* fs/eventfd.c */
      64           0 : COND_SYSCALL(eventfd2);
      65             : 
      66             : /* fs/eventfd.c */
      67           0 : COND_SYSCALL(epoll_create1);
      68           0 : COND_SYSCALL(epoll_ctl);
      69           0 : COND_SYSCALL(epoll_pwait);
      70           0 : COND_SYSCALL_COMPAT(epoll_pwait);
      71           0 : COND_SYSCALL(epoll_pwait2);
      72           0 : COND_SYSCALL_COMPAT(epoll_pwait2);
      73             : 
      74             : /* fs/fcntl.c */
      75             : 
      76             : /* fs/inotify_user.c */
      77           0 : COND_SYSCALL(inotify_init1);
      78           0 : COND_SYSCALL(inotify_add_watch);
      79           0 : COND_SYSCALL(inotify_rm_watch);
      80             : 
      81             : /* fs/ioctl.c */
      82             : 
      83             : /* fs/ioprio.c */
      84           0 : COND_SYSCALL(ioprio_set);
      85           0 : COND_SYSCALL(ioprio_get);
      86             : 
      87             : /* fs/locks.c */
      88           0 : 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           0 : 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           0 : COND_SYSCALL(signalfd4);
     113           0 : 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           0 : COND_SYSCALL(timerfd_create);
     123           0 : COND_SYSCALL(timerfd_settime);
     124           0 : COND_SYSCALL(timerfd_settime32);
     125           0 : COND_SYSCALL(timerfd_gettime);
     126           0 : COND_SYSCALL(timerfd_gettime32);
     127             : 
     128             : /* fs/utimes.c */
     129             : 
     130             : /* kernel/acct.c */
     131           0 : COND_SYSCALL(acct);
     132             : 
     133             : /* kernel/capability.c */
     134           0 : COND_SYSCALL(capget);
     135           0 : 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           0 : COND_SYSCALL(clone3);
     144             : 
     145             : /* kernel/futex.c */
     146           0 : COND_SYSCALL(futex);
     147           0 : COND_SYSCALL(futex_time32);
     148           0 : COND_SYSCALL(set_robust_list);
     149           0 : COND_SYSCALL_COMPAT(set_robust_list);
     150           0 : COND_SYSCALL(get_robust_list);
     151           0 : COND_SYSCALL_COMPAT(get_robust_list);
     152             : 
     153             : /* kernel/hrtimer.c */
     154             : 
     155             : /* kernel/itimer.c */
     156             : 
     157             : /* kernel/kexec.c */
     158           0 : COND_SYSCALL(kexec_load);
     159           0 : COND_SYSCALL_COMPAT(kexec_load);
     160             : 
     161             : /* kernel/module.c */
     162           0 : COND_SYSCALL(init_module);
     163           0 : COND_SYSCALL(delete_module);
     164             : 
     165             : /* kernel/posix-timers.c */
     166             : 
     167             : /* kernel/printk.c */
     168           0 : COND_SYSCALL(syslog);
     169             : 
     170             : /* kernel/ptrace.c */
     171             : 
     172             : /* kernel/sched/core.c */
     173             : 
     174             : /* kernel/sys.c */
     175           0 : COND_SYSCALL(setregid);
     176           0 : COND_SYSCALL(setgid);
     177           0 : COND_SYSCALL(setreuid);
     178           0 : COND_SYSCALL(setuid);
     179           0 : COND_SYSCALL(setresuid);
     180           0 : COND_SYSCALL(getresuid);
     181           0 : COND_SYSCALL(setresgid);
     182           0 : COND_SYSCALL(getresgid);
     183           0 : COND_SYSCALL(setfsuid);
     184           0 : COND_SYSCALL(setfsgid);
     185           0 : COND_SYSCALL(setgroups);
     186           0 : COND_SYSCALL(getgroups);
     187             : 
     188             : /* kernel/time.c */
     189             : 
     190             : /* kernel/timer.c */
     191             : 
     192             : /* ipc/mqueue.c */
     193           0 : COND_SYSCALL(mq_open);
     194           0 : COND_SYSCALL_COMPAT(mq_open);
     195           0 : COND_SYSCALL(mq_unlink);
     196           0 : COND_SYSCALL(mq_timedsend);
     197           0 : COND_SYSCALL(mq_timedsend_time32);
     198           0 : COND_SYSCALL(mq_timedreceive);
     199           0 : COND_SYSCALL(mq_timedreceive_time32);
     200           0 : COND_SYSCALL(mq_notify);
     201           0 : COND_SYSCALL_COMPAT(mq_notify);
     202           0 : COND_SYSCALL(mq_getsetattr);
     203           0 : COND_SYSCALL_COMPAT(mq_getsetattr);
     204             : 
     205             : /* ipc/msg.c */
     206           0 : COND_SYSCALL(msgget);
     207           0 : COND_SYSCALL(old_msgctl);
     208           0 : COND_SYSCALL(msgctl);
     209           0 : COND_SYSCALL_COMPAT(msgctl);
     210           0 : COND_SYSCALL_COMPAT(old_msgctl);
     211           0 : COND_SYSCALL(msgrcv);
     212           0 : COND_SYSCALL_COMPAT(msgrcv);
     213           0 : COND_SYSCALL(msgsnd);
     214           0 : COND_SYSCALL_COMPAT(msgsnd);
     215             : 
     216             : /* ipc/sem.c */
     217           0 : COND_SYSCALL(semget);
     218           0 : COND_SYSCALL(old_semctl);
     219           0 : COND_SYSCALL(semctl);
     220           0 : COND_SYSCALL_COMPAT(semctl);
     221           0 : COND_SYSCALL_COMPAT(old_semctl);
     222           0 : COND_SYSCALL(semtimedop);
     223           0 : COND_SYSCALL(semtimedop_time32);
     224           0 : COND_SYSCALL(semop);
     225             : 
     226             : /* ipc/shm.c */
     227           0 : COND_SYSCALL(shmget);
     228           0 : COND_SYSCALL(old_shmctl);
     229           0 : COND_SYSCALL(shmctl);
     230           0 : COND_SYSCALL_COMPAT(shmctl);
     231           0 : COND_SYSCALL_COMPAT(old_shmctl);
     232           0 : COND_SYSCALL(shmat);
     233           0 : COND_SYSCALL_COMPAT(shmat);
     234           0 : COND_SYSCALL(shmdt);
     235             : 
     236             : /* net/socket.c */
     237           0 : COND_SYSCALL(socket);
     238           0 : COND_SYSCALL(socketpair);
     239           0 : COND_SYSCALL(bind);
     240           0 : COND_SYSCALL(listen);
     241           0 : COND_SYSCALL(accept);
     242           0 : COND_SYSCALL(connect);
     243           0 : COND_SYSCALL(getsockname);
     244           0 : COND_SYSCALL(getpeername);
     245           0 : COND_SYSCALL(setsockopt);
     246           0 : COND_SYSCALL_COMPAT(setsockopt);
     247           0 : COND_SYSCALL(getsockopt);
     248           0 : COND_SYSCALL_COMPAT(getsockopt);
     249           0 : COND_SYSCALL(sendto);
     250           0 : COND_SYSCALL(shutdown);
     251           0 : COND_SYSCALL(recvfrom);
     252           0 : COND_SYSCALL_COMPAT(recvfrom);
     253           0 : COND_SYSCALL(sendmsg);
     254           0 : COND_SYSCALL_COMPAT(sendmsg);
     255           0 : COND_SYSCALL(recvmsg);
     256           0 : COND_SYSCALL_COMPAT(recvmsg);
     257             : 
     258             : /* mm/filemap.c */
     259             : 
     260             : /* mm/nommu.c, also with MMU */
     261           0 : COND_SYSCALL(mremap);
     262             : 
     263             : /* security/keys/keyctl.c */
     264           0 : COND_SYSCALL(add_key);
     265           0 : COND_SYSCALL(request_key);
     266          50 : COND_SYSCALL(keyctl);
     267           0 : COND_SYSCALL_COMPAT(keyctl);
     268             : 
     269             : /* security/landlock/syscalls.c */
     270           0 : COND_SYSCALL(landlock_create_ruleset);
     271           0 : COND_SYSCALL(landlock_add_rule);
     272           0 : COND_SYSCALL(landlock_restrict_self);
     273             : 
     274             : /* arch/example/kernel/sys_example.c */
     275             : 
     276             : /* mm/fadvise.c */
     277           0 : COND_SYSCALL(fadvise64_64);
     278             : 
     279             : /* mm/, CONFIG_MMU only */
     280           0 : COND_SYSCALL(swapon);
     281           0 : COND_SYSCALL(swapoff);
     282           0 : COND_SYSCALL(mprotect);
     283           0 : COND_SYSCALL(msync);
     284           0 : COND_SYSCALL(mlock);
     285           0 : COND_SYSCALL(munlock);
     286           0 : COND_SYSCALL(mlockall);
     287           0 : COND_SYSCALL(munlockall);
     288           0 : COND_SYSCALL(mincore);
     289           0 : COND_SYSCALL(madvise);
     290           0 : COND_SYSCALL(process_madvise);
     291           0 : COND_SYSCALL(remap_file_pages);
     292           0 : COND_SYSCALL(mbind);
     293           0 : COND_SYSCALL_COMPAT(mbind);
     294           0 : COND_SYSCALL(get_mempolicy);
     295           0 : COND_SYSCALL_COMPAT(get_mempolicy);
     296           0 : COND_SYSCALL(set_mempolicy);
     297           0 : COND_SYSCALL_COMPAT(set_mempolicy);
     298           0 : COND_SYSCALL(migrate_pages);
     299           0 : COND_SYSCALL_COMPAT(migrate_pages);
     300           0 : COND_SYSCALL(move_pages);
     301           0 : COND_SYSCALL_COMPAT(move_pages);
     302             : 
     303           0 : COND_SYSCALL(perf_event_open);
     304           0 : COND_SYSCALL(accept4);
     305           0 : COND_SYSCALL(recvmmsg);
     306           0 : COND_SYSCALL(recvmmsg_time32);
     307           0 : COND_SYSCALL_COMPAT(recvmmsg_time32);
     308           0 : COND_SYSCALL_COMPAT(recvmmsg_time64);
     309             : 
     310             : /*
     311             :  * Architecture specific syscalls: see further below
     312             :  */
     313             : 
     314             : /* fanotify */
     315           0 : COND_SYSCALL(fanotify_init);
     316           0 : COND_SYSCALL(fanotify_mark);
     317             : 
     318             : /* open by handle */
     319          82 : COND_SYSCALL(name_to_handle_at);
     320           0 : COND_SYSCALL(open_by_handle_at);
     321           0 : COND_SYSCALL_COMPAT(open_by_handle_at);
     322             : 
     323           0 : COND_SYSCALL(sendmmsg);
     324           0 : COND_SYSCALL_COMPAT(sendmmsg);
     325           0 : COND_SYSCALL(process_vm_readv);
     326           0 : COND_SYSCALL_COMPAT(process_vm_readv);
     327           0 : COND_SYSCALL(process_vm_writev);
     328           0 : COND_SYSCALL_COMPAT(process_vm_writev);
     329             : 
     330             : /* compare kernel pointers */
     331         301 : COND_SYSCALL(kcmp);
     332             : 
     333           0 : COND_SYSCALL(finit_module);
     334             : 
     335             : /* operate on Secure Computing state */
     336           0 : COND_SYSCALL(seccomp);
     337             : 
     338           0 : COND_SYSCALL(memfd_create);
     339             : 
     340             : /* access BPF programs and maps */
     341           4 : COND_SYSCALL(bpf);
     342             : 
     343             : /* execveat */
     344           0 : COND_SYSCALL(execveat);
     345             : 
     346           0 : COND_SYSCALL(userfaultfd);
     347             : 
     348             : /* membarrier */
     349           0 : COND_SYSCALL(membarrier);
     350             : 
     351           0 : COND_SYSCALL(mlock2);
     352             : 
     353           0 : COND_SYSCALL(copy_file_range);
     354             : 
     355             : /* memory protection keys */
     356           0 : COND_SYSCALL(pkey_mprotect);
     357           0 : COND_SYSCALL(pkey_alloc);
     358           0 : COND_SYSCALL(pkey_free);
     359             : 
     360             : 
     361             : /*
     362             :  * Architecture specific weak syscall entries.
     363             :  */
     364             : 
     365             : /* pciconfig: alpha, arm, arm64, ia64, sparc */
     366           0 : COND_SYSCALL(pciconfig_read);
     367           0 : COND_SYSCALL(pciconfig_write);
     368           0 : COND_SYSCALL(pciconfig_iobase);
     369             : 
     370             : /* sys_socketcall: arm, mips, x86, ... */
     371           0 : COND_SYSCALL(socketcall);
     372           0 : COND_SYSCALL_COMPAT(socketcall);
     373             : 
     374             : /* compat syscalls for arm64, x86, ... */
     375           0 : COND_SYSCALL_COMPAT(fanotify_mark);
     376             : 
     377             : /* x86 */
     378           0 : COND_SYSCALL(vm86old);
     379           0 : COND_SYSCALL(modify_ldt);
     380           0 : COND_SYSCALL(vm86);
     381           0 : COND_SYSCALL(kexec_file_load);
     382             : 
     383             : /* s390 */
     384           0 : COND_SYSCALL(s390_pci_mmio_read);
     385           0 : COND_SYSCALL(s390_pci_mmio_write);
     386           0 : COND_SYSCALL(s390_ipc);
     387           0 : COND_SYSCALL_COMPAT(s390_ipc);
     388             : 
     389             : /* powerpc */
     390           0 : COND_SYSCALL(rtas);
     391           0 : COND_SYSCALL(spu_run);
     392           0 : COND_SYSCALL(spu_create);
     393           0 : COND_SYSCALL(subpage_prot);
     394             : 
     395             : 
     396             : /*
     397             :  * Deprecated system calls which are still defined in
     398             :  * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
     399             :  */
     400             : 
     401             : /* __ARCH_WANT_SYSCALL_NO_FLAGS */
     402           0 : COND_SYSCALL(epoll_create);
     403           0 : COND_SYSCALL(inotify_init);
     404           0 : COND_SYSCALL(eventfd);
     405           0 : COND_SYSCALL(signalfd);
     406           0 : COND_SYSCALL_COMPAT(signalfd);
     407             : 
     408             : /* __ARCH_WANT_SYSCALL_OFF_T */
     409           0 : COND_SYSCALL(fadvise64);
     410             : 
     411             : /* __ARCH_WANT_SYSCALL_DEPRECATED */
     412           0 : COND_SYSCALL(epoll_wait);
     413           0 : COND_SYSCALL(recv);
     414           0 : COND_SYSCALL_COMPAT(recv);
     415           0 : COND_SYSCALL(send);
     416           0 : COND_SYSCALL(bdflush);
     417           0 : COND_SYSCALL(uselib);
     418             : 
     419             : /* optional: time32 */
     420           0 : COND_SYSCALL(time32);
     421           0 : COND_SYSCALL(stime32);
     422           0 : COND_SYSCALL(utime32);
     423           0 : COND_SYSCALL(adjtimex_time32);
     424           0 : COND_SYSCALL(sched_rr_get_interval_time32);
     425           0 : COND_SYSCALL(nanosleep_time32);
     426           0 : COND_SYSCALL(rt_sigtimedwait_time32);
     427           0 : COND_SYSCALL_COMPAT(rt_sigtimedwait_time32);
     428           0 : COND_SYSCALL(timer_settime32);
     429           0 : COND_SYSCALL(timer_gettime32);
     430           0 : COND_SYSCALL(clock_settime32);
     431           0 : COND_SYSCALL(clock_gettime32);
     432           0 : COND_SYSCALL(clock_getres_time32);
     433           0 : COND_SYSCALL(clock_nanosleep_time32);
     434           0 : COND_SYSCALL(utimes_time32);
     435           0 : COND_SYSCALL(futimesat_time32);
     436           0 : COND_SYSCALL(pselect6_time32);
     437           0 : COND_SYSCALL_COMPAT(pselect6_time32);
     438           0 : COND_SYSCALL(ppoll_time32);
     439           0 : COND_SYSCALL_COMPAT(ppoll_time32);
     440           0 : COND_SYSCALL(utimensat_time32);
     441           0 : COND_SYSCALL(clock_adjtime32);
     442             : 
     443             : /*
     444             :  * The syscalls below are not found in include/uapi/asm-generic/unistd.h
     445             :  */
     446             : 
     447             : /* obsolete: SGETMASK_SYSCALL */
     448           0 : COND_SYSCALL(sgetmask);
     449           0 : COND_SYSCALL(ssetmask);
     450             : 
     451             : /* obsolete: SYSFS_SYSCALL */
     452           0 : COND_SYSCALL(sysfs);
     453             : 
     454             : /* obsolete: __ARCH_WANT_SYS_IPC */
     455           0 : COND_SYSCALL(ipc);
     456           0 : COND_SYSCALL_COMPAT(ipc);
     457             : 
     458             : /* obsolete: UID16 */
     459           0 : COND_SYSCALL(chown16);
     460           0 : COND_SYSCALL(fchown16);
     461           0 : COND_SYSCALL(getegid16);
     462           0 : COND_SYSCALL(geteuid16);
     463           0 : COND_SYSCALL(getgid16);
     464           0 : COND_SYSCALL(getgroups16);
     465           0 : COND_SYSCALL(getresgid16);
     466           0 : COND_SYSCALL(getresuid16);
     467           0 : COND_SYSCALL(getuid16);
     468           0 : COND_SYSCALL(lchown16);
     469           0 : COND_SYSCALL(setfsgid16);
     470           0 : COND_SYSCALL(setfsuid16);
     471           0 : COND_SYSCALL(setgid16);
     472           0 : COND_SYSCALL(setgroups16);
     473           0 : COND_SYSCALL(setregid16);
     474           0 : COND_SYSCALL(setresgid16);
     475           0 : COND_SYSCALL(setresuid16);
     476           0 : COND_SYSCALL(setreuid16);
     477           0 : COND_SYSCALL(setuid16);
     478             : 
     479             : /* restartable sequence */
     480           0 : COND_SYSCALL(rseq);