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             : COND_SYSCALL(lookup_dcookie);
      55             : COND_SYSCALL_COMPAT(lookup_dcookie);
      56             : COND_SYSCALL(eventfd2);
      57             : COND_SYSCALL(epoll_create1);
      58             : COND_SYSCALL(epoll_ctl);
      59             : COND_SYSCALL(epoll_pwait);
      60             : COND_SYSCALL_COMPAT(epoll_pwait);
      61             : COND_SYSCALL(epoll_pwait2);
      62             : COND_SYSCALL_COMPAT(epoll_pwait2);
      63             : COND_SYSCALL(inotify_init1);
      64             : COND_SYSCALL(inotify_add_watch);
      65             : COND_SYSCALL(inotify_rm_watch);
      66             : COND_SYSCALL(ioprio_set);
      67             : COND_SYSCALL(ioprio_get);
      68             : COND_SYSCALL(flock);
      69             : COND_SYSCALL(quotactl);
      70             : COND_SYSCALL(quotactl_fd);
      71             : COND_SYSCALL(signalfd4);
      72             : COND_SYSCALL_COMPAT(signalfd4);
      73             : COND_SYSCALL(timerfd_create);
      74             : COND_SYSCALL(timerfd_settime);
      75             : COND_SYSCALL(timerfd_settime32);
      76             : COND_SYSCALL(timerfd_gettime);
      77             : COND_SYSCALL(timerfd_gettime32);
      78             : COND_SYSCALL(acct);
      79             : COND_SYSCALL(capget);
      80             : COND_SYSCALL(capset);
      81             : /* __ARCH_WANT_SYS_CLONE3 */
      82             : COND_SYSCALL(clone3);
      83             : COND_SYSCALL(futex);
      84             : COND_SYSCALL(futex_time32);
      85             : COND_SYSCALL(set_robust_list);
      86             : COND_SYSCALL_COMPAT(set_robust_list);
      87             : COND_SYSCALL(get_robust_list);
      88             : COND_SYSCALL_COMPAT(get_robust_list);
      89             : COND_SYSCALL(futex_waitv);
      90             : COND_SYSCALL(kexec_load);
      91             : COND_SYSCALL_COMPAT(kexec_load);
      92             : COND_SYSCALL(init_module);
      93             : COND_SYSCALL(delete_module);
      94             : COND_SYSCALL(syslog);
      95             : COND_SYSCALL(setregid);
      96             : COND_SYSCALL(setgid);
      97             : COND_SYSCALL(setreuid);
      98             : COND_SYSCALL(setuid);
      99             : COND_SYSCALL(setresuid);
     100             : COND_SYSCALL(getresuid);
     101             : COND_SYSCALL(setresgid);
     102             : COND_SYSCALL(getresgid);
     103             : COND_SYSCALL(setfsuid);
     104             : COND_SYSCALL(setfsgid);
     105             : COND_SYSCALL(setgroups);
     106             : COND_SYSCALL(getgroups);
     107             : COND_SYSCALL(mq_open);
     108             : COND_SYSCALL_COMPAT(mq_open);
     109             : COND_SYSCALL(mq_unlink);
     110             : COND_SYSCALL(mq_timedsend);
     111             : COND_SYSCALL(mq_timedsend_time32);
     112             : COND_SYSCALL(mq_timedreceive);
     113             : COND_SYSCALL(mq_timedreceive_time32);
     114             : COND_SYSCALL(mq_notify);
     115             : COND_SYSCALL_COMPAT(mq_notify);
     116             : COND_SYSCALL(mq_getsetattr);
     117             : COND_SYSCALL_COMPAT(mq_getsetattr);
     118             : COND_SYSCALL(msgget);
     119             : COND_SYSCALL(old_msgctl);
     120             : COND_SYSCALL(msgctl);
     121             : COND_SYSCALL_COMPAT(msgctl);
     122             : COND_SYSCALL_COMPAT(old_msgctl);
     123             : COND_SYSCALL(msgrcv);
     124             : COND_SYSCALL_COMPAT(msgrcv);
     125             : COND_SYSCALL(msgsnd);
     126             : COND_SYSCALL_COMPAT(msgsnd);
     127             : COND_SYSCALL(semget);
     128             : COND_SYSCALL(old_semctl);
     129             : COND_SYSCALL(semctl);
     130             : COND_SYSCALL_COMPAT(semctl);
     131             : COND_SYSCALL_COMPAT(old_semctl);
     132             : COND_SYSCALL(semtimedop);
     133             : COND_SYSCALL(semtimedop_time32);
     134             : COND_SYSCALL(semop);
     135             : COND_SYSCALL(shmget);
     136             : COND_SYSCALL(old_shmctl);
     137             : COND_SYSCALL(shmctl);
     138             : COND_SYSCALL_COMPAT(shmctl);
     139             : COND_SYSCALL_COMPAT(old_shmctl);
     140             : COND_SYSCALL(shmat);
     141             : COND_SYSCALL_COMPAT(shmat);
     142             : COND_SYSCALL(shmdt);
     143             : COND_SYSCALL(socket);
     144             : COND_SYSCALL(socketpair);
     145             : COND_SYSCALL(bind);
     146             : COND_SYSCALL(listen);
     147             : COND_SYSCALL(accept);
     148             : COND_SYSCALL(connect);
     149             : COND_SYSCALL(getsockname);
     150             : COND_SYSCALL(getpeername);
     151             : COND_SYSCALL(setsockopt);
     152             : COND_SYSCALL_COMPAT(setsockopt);
     153             : COND_SYSCALL(getsockopt);
     154             : COND_SYSCALL_COMPAT(getsockopt);
     155             : COND_SYSCALL(sendto);
     156             : COND_SYSCALL(shutdown);
     157             : COND_SYSCALL(recvfrom);
     158             : COND_SYSCALL_COMPAT(recvfrom);
     159             : COND_SYSCALL(sendmsg);
     160             : COND_SYSCALL_COMPAT(sendmsg);
     161             : COND_SYSCALL(recvmsg);
     162             : COND_SYSCALL_COMPAT(recvmsg);
     163             : COND_SYSCALL(mremap);
     164             : COND_SYSCALL(add_key);
     165             : COND_SYSCALL(request_key);
     166             : COND_SYSCALL(keyctl);
     167             : COND_SYSCALL_COMPAT(keyctl);
     168             : COND_SYSCALL(landlock_create_ruleset);
     169             : COND_SYSCALL(landlock_add_rule);
     170             : COND_SYSCALL(landlock_restrict_self);
     171             : COND_SYSCALL(fadvise64_64);
     172             : COND_SYSCALL_COMPAT(fadvise64_64);
     173             : 
     174             : /* CONFIG_MMU only */
     175             : COND_SYSCALL(swapon);
     176             : COND_SYSCALL(swapoff);
     177             : COND_SYSCALL(mprotect);
     178             : COND_SYSCALL(msync);
     179             : COND_SYSCALL(mlock);
     180             : COND_SYSCALL(munlock);
     181             : COND_SYSCALL(mlockall);
     182             : COND_SYSCALL(munlockall);
     183             : COND_SYSCALL(mincore);
     184             : COND_SYSCALL(madvise);
     185             : COND_SYSCALL(process_madvise);
     186             : COND_SYSCALL(process_mrelease);
     187             : COND_SYSCALL(remap_file_pages);
     188             : COND_SYSCALL(mbind);
     189             : COND_SYSCALL(get_mempolicy);
     190             : COND_SYSCALL(set_mempolicy);
     191             : COND_SYSCALL(migrate_pages);
     192             : COND_SYSCALL(move_pages);
     193             : COND_SYSCALL(set_mempolicy_home_node);
     194             : COND_SYSCALL(cachestat);
     195             : 
     196             : COND_SYSCALL(perf_event_open);
     197             : COND_SYSCALL(accept4);
     198             : COND_SYSCALL(recvmmsg);
     199             : COND_SYSCALL(recvmmsg_time32);
     200             : COND_SYSCALL_COMPAT(recvmmsg_time32);
     201             : COND_SYSCALL_COMPAT(recvmmsg_time64);
     202             : 
     203             : /*
     204             :  * Architecture specific syscalls: see further below
     205             :  */
     206             : 
     207             : /* fanotify */
     208             : COND_SYSCALL(fanotify_init);
     209             : COND_SYSCALL(fanotify_mark);
     210             : 
     211             : /* open by handle */
     212             : COND_SYSCALL(name_to_handle_at);
     213             : COND_SYSCALL(open_by_handle_at);
     214             : COND_SYSCALL_COMPAT(open_by_handle_at);
     215             : 
     216             : COND_SYSCALL(sendmmsg);
     217             : COND_SYSCALL_COMPAT(sendmmsg);
     218             : COND_SYSCALL(process_vm_readv);
     219             : COND_SYSCALL_COMPAT(process_vm_readv);
     220             : COND_SYSCALL(process_vm_writev);
     221             : COND_SYSCALL_COMPAT(process_vm_writev);
     222             : 
     223             : /* compare kernel pointers */
     224             : COND_SYSCALL(kcmp);
     225             : 
     226             : COND_SYSCALL(finit_module);
     227             : 
     228             : /* operate on Secure Computing state */
     229             : COND_SYSCALL(seccomp);
     230             : 
     231             : COND_SYSCALL(memfd_create);
     232             : 
     233             : /* access BPF programs and maps */
     234             : COND_SYSCALL(bpf);
     235             : 
     236             : /* execveat */
     237             : COND_SYSCALL(execveat);
     238             : 
     239             : COND_SYSCALL(userfaultfd);
     240             : 
     241             : /* membarrier */
     242             : COND_SYSCALL(membarrier);
     243             : 
     244             : COND_SYSCALL(mlock2);
     245             : 
     246             : COND_SYSCALL(copy_file_range);
     247             : 
     248             : /* memory protection keys */
     249             : COND_SYSCALL(pkey_mprotect);
     250             : COND_SYSCALL(pkey_alloc);
     251             : COND_SYSCALL(pkey_free);
     252             : 
     253             : /* memfd_secret */
     254             : COND_SYSCALL(memfd_secret);
     255             : 
     256             : /*
     257             :  * Architecture specific weak syscall entries.
     258             :  */
     259             : 
     260             : /* pciconfig: alpha, arm, arm64, ia64, sparc */
     261             : COND_SYSCALL(pciconfig_read);
     262             : COND_SYSCALL(pciconfig_write);
     263             : COND_SYSCALL(pciconfig_iobase);
     264             : 
     265             : /* sys_socketcall: arm, mips, x86, ... */
     266             : COND_SYSCALL(socketcall);
     267             : COND_SYSCALL_COMPAT(socketcall);
     268             : 
     269             : /* compat syscalls for arm64, x86, ... */
     270             : COND_SYSCALL_COMPAT(fanotify_mark);
     271             : 
     272             : /* x86 */
     273             : COND_SYSCALL(vm86old);
     274             : COND_SYSCALL(modify_ldt);
     275             : COND_SYSCALL(vm86);
     276             : COND_SYSCALL(kexec_file_load);
     277             : 
     278             : /* s390 */
     279             : COND_SYSCALL(s390_pci_mmio_read);
     280             : COND_SYSCALL(s390_pci_mmio_write);
     281             : COND_SYSCALL(s390_ipc);
     282             : COND_SYSCALL_COMPAT(s390_ipc);
     283             : 
     284             : /* powerpc */
     285             : COND_SYSCALL(rtas);
     286             : COND_SYSCALL(spu_run);
     287             : COND_SYSCALL(spu_create);
     288             : COND_SYSCALL(subpage_prot);
     289             : 
     290             : 
     291             : /*
     292             :  * Deprecated system calls which are still defined in
     293             :  * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
     294             :  */
     295             : 
     296             : /* __ARCH_WANT_SYSCALL_NO_FLAGS */
     297             : COND_SYSCALL(epoll_create);
     298             : COND_SYSCALL(inotify_init);
     299             : COND_SYSCALL(eventfd);
     300             : COND_SYSCALL(signalfd);
     301             : COND_SYSCALL_COMPAT(signalfd);
     302             : 
     303             : /* __ARCH_WANT_SYSCALL_OFF_T */
     304             : COND_SYSCALL(fadvise64);
     305             : 
     306             : /* __ARCH_WANT_SYSCALL_DEPRECATED */
     307             : COND_SYSCALL(epoll_wait);
     308             : COND_SYSCALL(recv);
     309             : COND_SYSCALL_COMPAT(recv);
     310             : COND_SYSCALL(send);
     311             : COND_SYSCALL(uselib);
     312             : 
     313             : /* optional: time32 */
     314             : COND_SYSCALL(time32);
     315             : COND_SYSCALL(stime32);
     316             : COND_SYSCALL(utime32);
     317             : COND_SYSCALL(adjtimex_time32);
     318             : COND_SYSCALL(sched_rr_get_interval_time32);
     319             : COND_SYSCALL(nanosleep_time32);
     320             : COND_SYSCALL(rt_sigtimedwait_time32);
     321             : COND_SYSCALL_COMPAT(rt_sigtimedwait_time32);
     322             : COND_SYSCALL(timer_settime32);
     323             : COND_SYSCALL(timer_gettime32);
     324             : COND_SYSCALL(clock_settime32);
     325             : COND_SYSCALL(clock_gettime32);
     326             : COND_SYSCALL(clock_getres_time32);
     327             : COND_SYSCALL(clock_nanosleep_time32);
     328             : COND_SYSCALL(utimes_time32);
     329             : COND_SYSCALL(futimesat_time32);
     330             : COND_SYSCALL(pselect6_time32);
     331             : COND_SYSCALL_COMPAT(pselect6_time32);
     332             : COND_SYSCALL(ppoll_time32);
     333             : COND_SYSCALL_COMPAT(ppoll_time32);
     334             : COND_SYSCALL(utimensat_time32);
     335             : COND_SYSCALL(clock_adjtime32);
     336             : 
     337             : /*
     338             :  * The syscalls below are not found in include/uapi/asm-generic/unistd.h
     339             :  */
     340             : 
     341             : /* obsolete: SGETMASK_SYSCALL */
     342             : COND_SYSCALL(sgetmask);
     343             : COND_SYSCALL(ssetmask);
     344             : 
     345             : /* obsolete: SYSFS_SYSCALL */
     346             : COND_SYSCALL(sysfs);
     347             : 
     348             : /* obsolete: __ARCH_WANT_SYS_IPC */
     349             : COND_SYSCALL(ipc);
     350             : COND_SYSCALL_COMPAT(ipc);
     351             : 
     352             : /* obsolete: UID16 */
     353             : COND_SYSCALL(chown16);
     354             : COND_SYSCALL(fchown16);
     355             : COND_SYSCALL(getegid16);
     356             : COND_SYSCALL(geteuid16);
     357             : COND_SYSCALL(getgid16);
     358             : COND_SYSCALL(getgroups16);
     359             : COND_SYSCALL(getresgid16);
     360             : COND_SYSCALL(getresuid16);
     361             : COND_SYSCALL(getuid16);
     362             : COND_SYSCALL(lchown16);
     363             : COND_SYSCALL(setfsgid16);
     364             : COND_SYSCALL(setfsuid16);
     365             : COND_SYSCALL(setgid16);
     366             : COND_SYSCALL(setgroups16);
     367             : COND_SYSCALL(setregid16);
     368             : COND_SYSCALL(setresgid16);
     369             : COND_SYSCALL(setresuid16);
     370             : COND_SYSCALL(setreuid16);
     371             : COND_SYSCALL(setuid16);
     372             : 
     373             : /* restartable sequence */
     374             : COND_SYSCALL(rseq);