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           0 : asmlinkage long sys_ni_syscall(void)
      21             : {
      22           0 :         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             : 
      55             : /* fs/xattr.c */
      56             : 
      57             : /* fs/dcache.c */
      58             : 
      59             : /* fs/cookies.c */
      60             : COND_SYSCALL(lookup_dcookie);
      61             : COND_SYSCALL_COMPAT(lookup_dcookie);
      62             : 
      63             : /* fs/eventfd.c */
      64             : COND_SYSCALL(eventfd2);
      65             : 
      66             : /* fs/eventfd.c */
      67             : COND_SYSCALL(epoll_create1);
      68             : COND_SYSCALL(epoll_ctl);
      69             : COND_SYSCALL(epoll_pwait);
      70             : COND_SYSCALL_COMPAT(epoll_pwait);
      71             : COND_SYSCALL(epoll_pwait2);
      72             : COND_SYSCALL_COMPAT(epoll_pwait2);
      73             : 
      74             : /* fs/fcntl.c */
      75             : 
      76             : /* fs/inotify_user.c */
      77             : COND_SYSCALL(inotify_init1);
      78             : COND_SYSCALL(inotify_add_watch);
      79             : COND_SYSCALL(inotify_rm_watch);
      80             : 
      81             : /* fs/ioctl.c */
      82             : 
      83             : /* fs/ioprio.c */
      84             : COND_SYSCALL(ioprio_set);
      85             : COND_SYSCALL(ioprio_get);
      86             : 
      87             : /* fs/locks.c */
      88             : 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             : COND_SYSCALL(quotactl);
     102             : COND_SYSCALL(quotactl_fd);
     103             : 
     104             : /* fs/readdir.c */
     105             : 
     106             : /* fs/read_write.c */
     107             : 
     108             : /* fs/sendfile.c */
     109             : 
     110             : /* fs/select.c */
     111             : 
     112             : /* fs/signalfd.c */
     113             : COND_SYSCALL(signalfd4);
     114             : COND_SYSCALL_COMPAT(signalfd4);
     115             : 
     116             : /* fs/splice.c */
     117             : 
     118             : /* fs/stat.c */
     119             : 
     120             : /* fs/sync.c */
     121             : 
     122             : /* fs/timerfd.c */
     123             : COND_SYSCALL(timerfd_create);
     124             : COND_SYSCALL(timerfd_settime);
     125             : COND_SYSCALL(timerfd_settime32);
     126             : COND_SYSCALL(timerfd_gettime);
     127             : COND_SYSCALL(timerfd_gettime32);
     128             : 
     129             : /* fs/utimes.c */
     130             : 
     131             : /* kernel/acct.c */
     132             : COND_SYSCALL(acct);
     133             : 
     134             : /* kernel/capability.c */
     135             : COND_SYSCALL(capget);
     136             : COND_SYSCALL(capset);
     137             : 
     138             : /* kernel/exec_domain.c */
     139             : 
     140             : /* kernel/exit.c */
     141             : 
     142             : /* kernel/fork.c */
     143             : /* __ARCH_WANT_SYS_CLONE3 */
     144             : COND_SYSCALL(clone3);
     145             : 
     146             : /* kernel/futex/syscalls.c */
     147             : COND_SYSCALL(futex);
     148             : COND_SYSCALL(futex_time32);
     149             : COND_SYSCALL(set_robust_list);
     150             : COND_SYSCALL_COMPAT(set_robust_list);
     151             : COND_SYSCALL(get_robust_list);
     152             : COND_SYSCALL_COMPAT(get_robust_list);
     153             : COND_SYSCALL(futex_waitv);
     154             : 
     155             : /* kernel/hrtimer.c */
     156             : 
     157             : /* kernel/itimer.c */
     158             : 
     159             : /* kernel/kexec.c */
     160             : COND_SYSCALL(kexec_load);
     161             : COND_SYSCALL_COMPAT(kexec_load);
     162             : 
     163             : /* kernel/module.c */
     164             : COND_SYSCALL(init_module);
     165             : COND_SYSCALL(delete_module);
     166             : 
     167             : /* kernel/posix-timers.c */
     168             : 
     169             : /* kernel/printk.c */
     170             : COND_SYSCALL(syslog);
     171             : 
     172             : /* kernel/ptrace.c */
     173             : 
     174             : /* kernel/sched/core.c */
     175             : 
     176             : /* kernel/sys.c */
     177             : COND_SYSCALL(setregid);
     178             : COND_SYSCALL(setgid);
     179             : COND_SYSCALL(setreuid);
     180             : COND_SYSCALL(setuid);
     181             : COND_SYSCALL(setresuid);
     182             : COND_SYSCALL(getresuid);
     183             : COND_SYSCALL(setresgid);
     184             : COND_SYSCALL(getresgid);
     185             : COND_SYSCALL(setfsuid);
     186             : COND_SYSCALL(setfsgid);
     187             : COND_SYSCALL(setgroups);
     188             : COND_SYSCALL(getgroups);
     189             : 
     190             : /* kernel/time.c */
     191             : 
     192             : /* kernel/timer.c */
     193             : 
     194             : /* ipc/mqueue.c */
     195             : COND_SYSCALL(mq_open);
     196             : COND_SYSCALL_COMPAT(mq_open);
     197             : COND_SYSCALL(mq_unlink);
     198             : COND_SYSCALL(mq_timedsend);
     199             : COND_SYSCALL(mq_timedsend_time32);
     200             : COND_SYSCALL(mq_timedreceive);
     201             : COND_SYSCALL(mq_timedreceive_time32);
     202             : COND_SYSCALL(mq_notify);
     203             : COND_SYSCALL_COMPAT(mq_notify);
     204             : COND_SYSCALL(mq_getsetattr);
     205             : COND_SYSCALL_COMPAT(mq_getsetattr);
     206             : 
     207             : /* ipc/msg.c */
     208             : COND_SYSCALL(msgget);
     209             : COND_SYSCALL(old_msgctl);
     210             : COND_SYSCALL(msgctl);
     211             : COND_SYSCALL_COMPAT(msgctl);
     212             : COND_SYSCALL_COMPAT(old_msgctl);
     213             : COND_SYSCALL(msgrcv);
     214             : COND_SYSCALL_COMPAT(msgrcv);
     215             : COND_SYSCALL(msgsnd);
     216             : COND_SYSCALL_COMPAT(msgsnd);
     217             : 
     218             : /* ipc/sem.c */
     219             : COND_SYSCALL(semget);
     220             : COND_SYSCALL(old_semctl);
     221             : COND_SYSCALL(semctl);
     222             : COND_SYSCALL_COMPAT(semctl);
     223             : COND_SYSCALL_COMPAT(old_semctl);
     224             : COND_SYSCALL(semtimedop);
     225             : COND_SYSCALL(semtimedop_time32);
     226             : COND_SYSCALL(semop);
     227             : 
     228             : /* ipc/shm.c */
     229             : COND_SYSCALL(shmget);
     230             : COND_SYSCALL(old_shmctl);
     231             : COND_SYSCALL(shmctl);
     232             : COND_SYSCALL_COMPAT(shmctl);
     233             : COND_SYSCALL_COMPAT(old_shmctl);
     234             : COND_SYSCALL(shmat);
     235             : COND_SYSCALL_COMPAT(shmat);
     236             : COND_SYSCALL(shmdt);
     237             : 
     238             : /* net/socket.c */
     239             : COND_SYSCALL(socket);
     240             : COND_SYSCALL(socketpair);
     241             : COND_SYSCALL(bind);
     242             : COND_SYSCALL(listen);
     243             : COND_SYSCALL(accept);
     244             : COND_SYSCALL(connect);
     245             : COND_SYSCALL(getsockname);
     246             : COND_SYSCALL(getpeername);
     247             : COND_SYSCALL(setsockopt);
     248             : COND_SYSCALL_COMPAT(setsockopt);
     249             : COND_SYSCALL(getsockopt);
     250             : COND_SYSCALL_COMPAT(getsockopt);
     251             : COND_SYSCALL(sendto);
     252             : COND_SYSCALL(shutdown);
     253             : COND_SYSCALL(recvfrom);
     254             : COND_SYSCALL_COMPAT(recvfrom);
     255             : COND_SYSCALL(sendmsg);
     256             : COND_SYSCALL_COMPAT(sendmsg);
     257             : COND_SYSCALL(recvmsg);
     258             : COND_SYSCALL_COMPAT(recvmsg);
     259             : 
     260             : /* mm/filemap.c */
     261             : 
     262             : /* mm/nommu.c, also with MMU */
     263             : COND_SYSCALL(mremap);
     264             : 
     265             : /* security/keys/keyctl.c */
     266             : COND_SYSCALL(add_key);
     267             : COND_SYSCALL(request_key);
     268             : COND_SYSCALL(keyctl);
     269             : COND_SYSCALL_COMPAT(keyctl);
     270             : 
     271             : /* security/landlock/syscalls.c */
     272             : COND_SYSCALL(landlock_create_ruleset);
     273             : COND_SYSCALL(landlock_add_rule);
     274             : COND_SYSCALL(landlock_restrict_self);
     275             : 
     276             : /* arch/example/kernel/sys_example.c */
     277             : 
     278             : /* mm/fadvise.c */
     279             : COND_SYSCALL(fadvise64_64);
     280             : COND_SYSCALL_COMPAT(fadvise64_64);
     281             : 
     282             : /* mm/, CONFIG_MMU only */
     283             : COND_SYSCALL(swapon);
     284             : COND_SYSCALL(swapoff);
     285             : COND_SYSCALL(mprotect);
     286             : COND_SYSCALL(msync);
     287             : COND_SYSCALL(mlock);
     288             : COND_SYSCALL(munlock);
     289             : COND_SYSCALL(mlockall);
     290             : COND_SYSCALL(munlockall);
     291             : COND_SYSCALL(mincore);
     292             : COND_SYSCALL(madvise);
     293             : COND_SYSCALL(process_madvise);
     294             : COND_SYSCALL(process_mrelease);
     295             : COND_SYSCALL(remap_file_pages);
     296             : COND_SYSCALL(mbind);
     297             : COND_SYSCALL(get_mempolicy);
     298             : COND_SYSCALL(set_mempolicy);
     299             : COND_SYSCALL(migrate_pages);
     300             : COND_SYSCALL(move_pages);
     301             : COND_SYSCALL(set_mempolicy_home_node);
     302             : 
     303             : COND_SYSCALL(perf_event_open);
     304             : COND_SYSCALL(accept4);
     305             : COND_SYSCALL(recvmmsg);
     306             : COND_SYSCALL(recvmmsg_time32);
     307             : COND_SYSCALL_COMPAT(recvmmsg_time32);
     308             : COND_SYSCALL_COMPAT(recvmmsg_time64);
     309             : 
     310             : /*
     311             :  * Architecture specific syscalls: see further below
     312             :  */
     313             : 
     314             : /* fanotify */
     315             : COND_SYSCALL(fanotify_init);
     316             : COND_SYSCALL(fanotify_mark);
     317             : 
     318             : /* open by handle */
     319             : COND_SYSCALL(name_to_handle_at);
     320             : COND_SYSCALL(open_by_handle_at);
     321             : COND_SYSCALL_COMPAT(open_by_handle_at);
     322             : 
     323             : COND_SYSCALL(sendmmsg);
     324             : COND_SYSCALL_COMPAT(sendmmsg);
     325             : COND_SYSCALL(process_vm_readv);
     326             : COND_SYSCALL_COMPAT(process_vm_readv);
     327             : COND_SYSCALL(process_vm_writev);
     328             : COND_SYSCALL_COMPAT(process_vm_writev);
     329             : 
     330             : /* compare kernel pointers */
     331             : COND_SYSCALL(kcmp);
     332             : 
     333             : COND_SYSCALL(finit_module);
     334             : 
     335             : /* operate on Secure Computing state */
     336             : COND_SYSCALL(seccomp);
     337             : 
     338             : COND_SYSCALL(memfd_create);
     339             : 
     340             : /* access BPF programs and maps */
     341             : COND_SYSCALL(bpf);
     342             : 
     343             : /* execveat */
     344             : COND_SYSCALL(execveat);
     345             : 
     346             : COND_SYSCALL(userfaultfd);
     347             : 
     348             : /* membarrier */
     349             : COND_SYSCALL(membarrier);
     350             : 
     351             : COND_SYSCALL(mlock2);
     352             : 
     353             : COND_SYSCALL(copy_file_range);
     354             : 
     355             : /* memory protection keys */
     356             : COND_SYSCALL(pkey_mprotect);
     357             : COND_SYSCALL(pkey_alloc);
     358             : COND_SYSCALL(pkey_free);
     359             : 
     360             : /* memfd_secret */
     361             : COND_SYSCALL(memfd_secret);
     362             : 
     363             : /*
     364             :  * Architecture specific weak syscall entries.
     365             :  */
     366             : 
     367             : /* pciconfig: alpha, arm, arm64, ia64, sparc */
     368             : COND_SYSCALL(pciconfig_read);
     369             : COND_SYSCALL(pciconfig_write);
     370             : COND_SYSCALL(pciconfig_iobase);
     371             : 
     372             : /* sys_socketcall: arm, mips, x86, ... */
     373             : COND_SYSCALL(socketcall);
     374             : COND_SYSCALL_COMPAT(socketcall);
     375             : 
     376             : /* compat syscalls for arm64, x86, ... */
     377             : COND_SYSCALL_COMPAT(fanotify_mark);
     378             : 
     379             : /* x86 */
     380             : COND_SYSCALL(vm86old);
     381             : COND_SYSCALL(modify_ldt);
     382             : COND_SYSCALL(vm86);
     383             : COND_SYSCALL(kexec_file_load);
     384             : 
     385             : /* s390 */
     386             : COND_SYSCALL(s390_pci_mmio_read);
     387             : COND_SYSCALL(s390_pci_mmio_write);
     388             : COND_SYSCALL(s390_ipc);
     389             : COND_SYSCALL_COMPAT(s390_ipc);
     390             : 
     391             : /* powerpc */
     392             : COND_SYSCALL(rtas);
     393             : COND_SYSCALL(spu_run);
     394             : COND_SYSCALL(spu_create);
     395             : COND_SYSCALL(subpage_prot);
     396             : 
     397             : 
     398             : /*
     399             :  * Deprecated system calls which are still defined in
     400             :  * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
     401             :  */
     402             : 
     403             : /* __ARCH_WANT_SYSCALL_NO_FLAGS */
     404             : COND_SYSCALL(epoll_create);
     405             : COND_SYSCALL(inotify_init);
     406             : COND_SYSCALL(eventfd);
     407             : COND_SYSCALL(signalfd);
     408             : COND_SYSCALL_COMPAT(signalfd);
     409             : 
     410             : /* __ARCH_WANT_SYSCALL_OFF_T */
     411             : COND_SYSCALL(fadvise64);
     412             : 
     413             : /* __ARCH_WANT_SYSCALL_DEPRECATED */
     414             : COND_SYSCALL(epoll_wait);
     415             : COND_SYSCALL(recv);
     416             : COND_SYSCALL_COMPAT(recv);
     417             : COND_SYSCALL(send);
     418             : COND_SYSCALL(uselib);
     419             : 
     420             : /* optional: time32 */
     421             : COND_SYSCALL(time32);
     422             : COND_SYSCALL(stime32);
     423             : COND_SYSCALL(utime32);
     424             : COND_SYSCALL(adjtimex_time32);
     425             : COND_SYSCALL(sched_rr_get_interval_time32);
     426             : COND_SYSCALL(nanosleep_time32);
     427             : COND_SYSCALL(rt_sigtimedwait_time32);
     428             : COND_SYSCALL_COMPAT(rt_sigtimedwait_time32);
     429             : COND_SYSCALL(timer_settime32);
     430             : COND_SYSCALL(timer_gettime32);
     431             : COND_SYSCALL(clock_settime32);
     432             : COND_SYSCALL(clock_gettime32);
     433             : COND_SYSCALL(clock_getres_time32);
     434             : COND_SYSCALL(clock_nanosleep_time32);
     435             : COND_SYSCALL(utimes_time32);
     436             : COND_SYSCALL(futimesat_time32);
     437             : COND_SYSCALL(pselect6_time32);
     438             : COND_SYSCALL_COMPAT(pselect6_time32);
     439             : COND_SYSCALL(ppoll_time32);
     440             : COND_SYSCALL_COMPAT(ppoll_time32);
     441             : COND_SYSCALL(utimensat_time32);
     442             : COND_SYSCALL(clock_adjtime32);
     443             : 
     444             : /*
     445             :  * The syscalls below are not found in include/uapi/asm-generic/unistd.h
     446             :  */
     447             : 
     448             : /* obsolete: SGETMASK_SYSCALL */
     449             : COND_SYSCALL(sgetmask);
     450             : COND_SYSCALL(ssetmask);
     451             : 
     452             : /* obsolete: SYSFS_SYSCALL */
     453             : COND_SYSCALL(sysfs);
     454             : 
     455             : /* obsolete: __ARCH_WANT_SYS_IPC */
     456             : COND_SYSCALL(ipc);
     457             : COND_SYSCALL_COMPAT(ipc);
     458             : 
     459             : /* obsolete: UID16 */
     460             : COND_SYSCALL(chown16);
     461             : COND_SYSCALL(fchown16);
     462             : COND_SYSCALL(getegid16);
     463             : COND_SYSCALL(geteuid16);
     464             : COND_SYSCALL(getgid16);
     465             : COND_SYSCALL(getgroups16);
     466             : COND_SYSCALL(getresgid16);
     467             : COND_SYSCALL(getresuid16);
     468             : COND_SYSCALL(getuid16);
     469             : COND_SYSCALL(lchown16);
     470             : COND_SYSCALL(setfsgid16);
     471             : COND_SYSCALL(setfsuid16);
     472             : COND_SYSCALL(setgid16);
     473             : COND_SYSCALL(setgroups16);
     474             : COND_SYSCALL(setregid16);
     475             : COND_SYSCALL(setresgid16);
     476             : COND_SYSCALL(setresuid16);
     477             : COND_SYSCALL(setreuid16);
     478             : COND_SYSCALL(setuid16);
     479             : 
     480             : /* restartable sequence */
     481             : COND_SYSCALL(rseq);