|  | // SPDX-License-Identifier: GPL-2.0 | 
|  |  | 
|  | #include <linux/linkage.h> | 
|  | #include <linux/errno.h> | 
|  |  | 
|  | #include <asm/unistd.h> | 
|  |  | 
|  | #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER | 
|  | /* Architectures may override COND_SYSCALL and COND_SYSCALL_COMPAT */ | 
|  | #include <asm/syscall_wrapper.h> | 
|  | #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ | 
|  |  | 
|  | /*  we can't #include <linux/syscalls.h> here, | 
|  | but tell gcc to not warn with -Wmissing-prototypes  */ | 
|  | asmlinkage long sys_ni_syscall(void); | 
|  |  | 
|  | /* | 
|  | * Non-implemented system calls get redirected here. | 
|  | */ | 
|  | asmlinkage long sys_ni_syscall(void) | 
|  | { | 
|  | return -ENOSYS; | 
|  | } | 
|  |  | 
|  | #ifndef COND_SYSCALL | 
|  | #define COND_SYSCALL(name) cond_syscall(sys_##name) | 
|  | #endif /* COND_SYSCALL */ | 
|  |  | 
|  | #ifndef COND_SYSCALL_COMPAT | 
|  | #define COND_SYSCALL_COMPAT(name) cond_syscall(compat_sys_##name) | 
|  | #endif /* COND_SYSCALL_COMPAT */ | 
|  |  | 
|  | /* | 
|  | * This list is kept in the same order as include/uapi/asm-generic/unistd.h. | 
|  | * Architecture specific entries go below, followed by deprecated or obsolete | 
|  | * system calls. | 
|  | */ | 
|  |  | 
|  | COND_SYSCALL(io_setup); | 
|  | COND_SYSCALL_COMPAT(io_setup); | 
|  | COND_SYSCALL(io_destroy); | 
|  | COND_SYSCALL(io_submit); | 
|  | COND_SYSCALL_COMPAT(io_submit); | 
|  | COND_SYSCALL(io_cancel); | 
|  | COND_SYSCALL(io_getevents); | 
|  | COND_SYSCALL(io_pgetevents); | 
|  | COND_SYSCALL_COMPAT(io_getevents); | 
|  | COND_SYSCALL_COMPAT(io_pgetevents); | 
|  |  | 
|  | /* fs/xattr.c */ | 
|  |  | 
|  | /* fs/dcache.c */ | 
|  |  | 
|  | /* fs/cookies.c */ | 
|  | COND_SYSCALL(lookup_dcookie); | 
|  | COND_SYSCALL_COMPAT(lookup_dcookie); | 
|  |  | 
|  | /* fs/eventfd.c */ | 
|  | COND_SYSCALL(eventfd2); | 
|  |  | 
|  | /* fs/eventfd.c */ | 
|  | COND_SYSCALL(epoll_create1); | 
|  | COND_SYSCALL(epoll_ctl); | 
|  | COND_SYSCALL(epoll_pwait); | 
|  | COND_SYSCALL_COMPAT(epoll_pwait); | 
|  |  | 
|  | /* fs/fcntl.c */ | 
|  |  | 
|  | /* fs/inotify_user.c */ | 
|  | COND_SYSCALL(inotify_init1); | 
|  | COND_SYSCALL(inotify_add_watch); | 
|  | COND_SYSCALL(inotify_rm_watch); | 
|  |  | 
|  | /* fs/ioctl.c */ | 
|  |  | 
|  | /* fs/ioprio.c */ | 
|  | COND_SYSCALL(ioprio_set); | 
|  | COND_SYSCALL(ioprio_get); | 
|  |  | 
|  | /* fs/locks.c */ | 
|  | COND_SYSCALL(flock); | 
|  |  | 
|  | /* fs/namei.c */ | 
|  |  | 
|  | /* fs/namespace.c */ | 
|  |  | 
|  | /* fs/nfsctl.c */ | 
|  |  | 
|  | /* fs/open.c */ | 
|  |  | 
|  | /* fs/pipe.c */ | 
|  |  | 
|  | /* fs/quota.c */ | 
|  | COND_SYSCALL(quotactl); | 
|  |  | 
|  | /* fs/readdir.c */ | 
|  |  | 
|  | /* fs/read_write.c */ | 
|  |  | 
|  | /* fs/sendfile.c */ | 
|  |  | 
|  | /* fs/select.c */ | 
|  |  | 
|  | /* fs/signalfd.c */ | 
|  | COND_SYSCALL(signalfd4); | 
|  | COND_SYSCALL_COMPAT(signalfd4); | 
|  |  | 
|  | /* fs/splice.c */ | 
|  |  | 
|  | /* fs/stat.c */ | 
|  |  | 
|  | /* fs/sync.c */ | 
|  |  | 
|  | /* fs/timerfd.c */ | 
|  | COND_SYSCALL(timerfd_create); | 
|  | COND_SYSCALL(timerfd_settime); | 
|  | COND_SYSCALL_COMPAT(timerfd_settime); | 
|  | COND_SYSCALL(timerfd_gettime); | 
|  | COND_SYSCALL_COMPAT(timerfd_gettime); | 
|  |  | 
|  | /* fs/utimes.c */ | 
|  |  | 
|  | /* kernel/acct.c */ | 
|  | COND_SYSCALL(acct); | 
|  |  | 
|  | /* kernel/capability.c */ | 
|  | COND_SYSCALL(capget); | 
|  | COND_SYSCALL(capset); | 
|  |  | 
|  | /* kernel/exec_domain.c */ | 
|  |  | 
|  | /* kernel/exit.c */ | 
|  |  | 
|  | /* kernel/fork.c */ | 
|  |  | 
|  | /* kernel/futex.c */ | 
|  | COND_SYSCALL(futex); | 
|  | COND_SYSCALL_COMPAT(futex); | 
|  | COND_SYSCALL(set_robust_list); | 
|  | COND_SYSCALL_COMPAT(set_robust_list); | 
|  | COND_SYSCALL(get_robust_list); | 
|  | COND_SYSCALL_COMPAT(get_robust_list); | 
|  |  | 
|  | /* kernel/hrtimer.c */ | 
|  |  | 
|  | /* kernel/itimer.c */ | 
|  |  | 
|  | /* kernel/kexec.c */ | 
|  | COND_SYSCALL(kexec_load); | 
|  | COND_SYSCALL_COMPAT(kexec_load); | 
|  |  | 
|  | /* kernel/module.c */ | 
|  | COND_SYSCALL(init_module); | 
|  | COND_SYSCALL(delete_module); | 
|  |  | 
|  | /* kernel/posix-timers.c */ | 
|  |  | 
|  | /* kernel/printk.c */ | 
|  | COND_SYSCALL(syslog); | 
|  |  | 
|  | /* kernel/ptrace.c */ | 
|  |  | 
|  | /* kernel/sched/core.c */ | 
|  |  | 
|  | /* kernel/signal.c */ | 
|  |  | 
|  | /* kernel/sys.c */ | 
|  | COND_SYSCALL(setregid); | 
|  | COND_SYSCALL(setgid); | 
|  | COND_SYSCALL(setreuid); | 
|  | COND_SYSCALL(setuid); | 
|  | COND_SYSCALL(setresuid); | 
|  | COND_SYSCALL(getresuid); | 
|  | COND_SYSCALL(setresgid); | 
|  | COND_SYSCALL(getresgid); | 
|  | COND_SYSCALL(setfsuid); | 
|  | COND_SYSCALL(setfsgid); | 
|  | COND_SYSCALL(setgroups); | 
|  | COND_SYSCALL(getgroups); | 
|  |  | 
|  | /* kernel/time.c */ | 
|  |  | 
|  | /* kernel/timer.c */ | 
|  |  | 
|  | /* ipc/mqueue.c */ | 
|  | COND_SYSCALL(mq_open); | 
|  | COND_SYSCALL_COMPAT(mq_open); | 
|  | COND_SYSCALL(mq_unlink); | 
|  | COND_SYSCALL(mq_timedsend); | 
|  | COND_SYSCALL_COMPAT(mq_timedsend); | 
|  | COND_SYSCALL(mq_timedreceive); | 
|  | COND_SYSCALL_COMPAT(mq_timedreceive); | 
|  | COND_SYSCALL(mq_notify); | 
|  | COND_SYSCALL_COMPAT(mq_notify); | 
|  | COND_SYSCALL(mq_getsetattr); | 
|  | COND_SYSCALL_COMPAT(mq_getsetattr); | 
|  |  | 
|  | /* ipc/msg.c */ | 
|  | COND_SYSCALL(msgget); | 
|  | COND_SYSCALL(msgctl); | 
|  | COND_SYSCALL_COMPAT(msgctl); | 
|  | COND_SYSCALL(msgrcv); | 
|  | COND_SYSCALL_COMPAT(msgrcv); | 
|  | COND_SYSCALL(msgsnd); | 
|  | COND_SYSCALL_COMPAT(msgsnd); | 
|  |  | 
|  | /* ipc/sem.c */ | 
|  | COND_SYSCALL(semget); | 
|  | COND_SYSCALL(semctl); | 
|  | COND_SYSCALL_COMPAT(semctl); | 
|  | COND_SYSCALL(semtimedop); | 
|  | COND_SYSCALL_COMPAT(semtimedop); | 
|  | COND_SYSCALL(semop); | 
|  |  | 
|  | /* ipc/shm.c */ | 
|  | COND_SYSCALL(shmget); | 
|  | COND_SYSCALL(shmctl); | 
|  | COND_SYSCALL_COMPAT(shmctl); | 
|  | COND_SYSCALL(shmat); | 
|  | COND_SYSCALL_COMPAT(shmat); | 
|  | COND_SYSCALL(shmdt); | 
|  |  | 
|  | /* net/socket.c */ | 
|  | COND_SYSCALL(socket); | 
|  | COND_SYSCALL(socketpair); | 
|  | COND_SYSCALL(bind); | 
|  | COND_SYSCALL(listen); | 
|  | COND_SYSCALL(accept); | 
|  | COND_SYSCALL(connect); | 
|  | COND_SYSCALL(getsockname); | 
|  | COND_SYSCALL(getpeername); | 
|  | COND_SYSCALL(setsockopt); | 
|  | COND_SYSCALL_COMPAT(setsockopt); | 
|  | COND_SYSCALL(getsockopt); | 
|  | COND_SYSCALL_COMPAT(getsockopt); | 
|  | COND_SYSCALL(sendto); | 
|  | COND_SYSCALL(shutdown); | 
|  | COND_SYSCALL(recvfrom); | 
|  | COND_SYSCALL_COMPAT(recvfrom); | 
|  | COND_SYSCALL(sendmsg); | 
|  | COND_SYSCALL_COMPAT(sendmsg); | 
|  | COND_SYSCALL(recvmsg); | 
|  | COND_SYSCALL_COMPAT(recvmsg); | 
|  |  | 
|  | /* mm/filemap.c */ | 
|  |  | 
|  | /* mm/nommu.c, also with MMU */ | 
|  | COND_SYSCALL(mremap); | 
|  |  | 
|  | /* security/keys/keyctl.c */ | 
|  | COND_SYSCALL(add_key); | 
|  | COND_SYSCALL(request_key); | 
|  | COND_SYSCALL(keyctl); | 
|  | COND_SYSCALL_COMPAT(keyctl); | 
|  |  | 
|  | /* arch/example/kernel/sys_example.c */ | 
|  |  | 
|  | /* mm/fadvise.c */ | 
|  | COND_SYSCALL(fadvise64_64); | 
|  |  | 
|  | /* mm/, CONFIG_MMU only */ | 
|  | COND_SYSCALL(swapon); | 
|  | COND_SYSCALL(swapoff); | 
|  | COND_SYSCALL(mprotect); | 
|  | COND_SYSCALL(msync); | 
|  | COND_SYSCALL(mlock); | 
|  | COND_SYSCALL(munlock); | 
|  | COND_SYSCALL(mlockall); | 
|  | COND_SYSCALL(munlockall); | 
|  | COND_SYSCALL(mincore); | 
|  | COND_SYSCALL(madvise); | 
|  | COND_SYSCALL(remap_file_pages); | 
|  | COND_SYSCALL(mbind); | 
|  | COND_SYSCALL_COMPAT(mbind); | 
|  | COND_SYSCALL(get_mempolicy); | 
|  | COND_SYSCALL_COMPAT(get_mempolicy); | 
|  | COND_SYSCALL(set_mempolicy); | 
|  | COND_SYSCALL_COMPAT(set_mempolicy); | 
|  | COND_SYSCALL(migrate_pages); | 
|  | COND_SYSCALL_COMPAT(migrate_pages); | 
|  | COND_SYSCALL(move_pages); | 
|  | COND_SYSCALL_COMPAT(move_pages); | 
|  |  | 
|  | COND_SYSCALL(perf_event_open); | 
|  | COND_SYSCALL(accept4); | 
|  | COND_SYSCALL(recvmmsg); | 
|  | COND_SYSCALL_COMPAT(recvmmsg); | 
|  |  | 
|  | /* | 
|  | * Architecture specific syscalls: see further below | 
|  | */ | 
|  |  | 
|  | /* fanotify */ | 
|  | COND_SYSCALL(fanotify_init); | 
|  | COND_SYSCALL(fanotify_mark); | 
|  |  | 
|  | /* open by handle */ | 
|  | COND_SYSCALL(name_to_handle_at); | 
|  | COND_SYSCALL(open_by_handle_at); | 
|  | COND_SYSCALL_COMPAT(open_by_handle_at); | 
|  |  | 
|  | COND_SYSCALL(sendmmsg); | 
|  | COND_SYSCALL_COMPAT(sendmmsg); | 
|  | COND_SYSCALL(process_vm_readv); | 
|  | COND_SYSCALL_COMPAT(process_vm_readv); | 
|  | COND_SYSCALL(process_vm_writev); | 
|  | COND_SYSCALL_COMPAT(process_vm_writev); | 
|  |  | 
|  | /* compare kernel pointers */ | 
|  | COND_SYSCALL(kcmp); | 
|  |  | 
|  | COND_SYSCALL(finit_module); | 
|  |  | 
|  | /* operate on Secure Computing state */ | 
|  | COND_SYSCALL(seccomp); | 
|  |  | 
|  | COND_SYSCALL(memfd_create); | 
|  |  | 
|  | /* access BPF programs and maps */ | 
|  | COND_SYSCALL(bpf); | 
|  |  | 
|  | /* execveat */ | 
|  | COND_SYSCALL(execveat); | 
|  |  | 
|  | COND_SYSCALL(userfaultfd); | 
|  |  | 
|  | /* membarrier */ | 
|  | COND_SYSCALL(membarrier); | 
|  |  | 
|  | COND_SYSCALL(mlock2); | 
|  |  | 
|  | COND_SYSCALL(copy_file_range); | 
|  |  | 
|  | /* memory protection keys */ | 
|  | COND_SYSCALL(pkey_mprotect); | 
|  | COND_SYSCALL(pkey_alloc); | 
|  | COND_SYSCALL(pkey_free); | 
|  |  | 
|  |  | 
|  | /* | 
|  | * Architecture specific weak syscall entries. | 
|  | */ | 
|  |  | 
|  | /* pciconfig: alpha, arm, arm64, ia64, sparc */ | 
|  | COND_SYSCALL(pciconfig_read); | 
|  | COND_SYSCALL(pciconfig_write); | 
|  | COND_SYSCALL(pciconfig_iobase); | 
|  |  | 
|  | /* sys_socketcall: arm, mips, x86, ... */ | 
|  | COND_SYSCALL(socketcall); | 
|  | COND_SYSCALL_COMPAT(socketcall); | 
|  |  | 
|  | /* compat syscalls for arm64, x86, ... */ | 
|  | COND_SYSCALL_COMPAT(sysctl); | 
|  | COND_SYSCALL_COMPAT(fanotify_mark); | 
|  |  | 
|  | /* x86 */ | 
|  | COND_SYSCALL(vm86old); | 
|  | COND_SYSCALL(modify_ldt); | 
|  | COND_SYSCALL_COMPAT(quotactl32); | 
|  | COND_SYSCALL(vm86); | 
|  | COND_SYSCALL(kexec_file_load); | 
|  |  | 
|  | /* s390 */ | 
|  | COND_SYSCALL(s390_pci_mmio_read); | 
|  | COND_SYSCALL(s390_pci_mmio_write); | 
|  | COND_SYSCALL_COMPAT(s390_ipc); | 
|  |  | 
|  | /* powerpc */ | 
|  | COND_SYSCALL(rtas); | 
|  | COND_SYSCALL(spu_run); | 
|  | COND_SYSCALL(spu_create); | 
|  | COND_SYSCALL(subpage_prot); | 
|  |  | 
|  |  | 
|  | /* | 
|  | * Deprecated system calls which are still defined in | 
|  | * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch | 
|  | */ | 
|  |  | 
|  | /* __ARCH_WANT_SYSCALL_NO_FLAGS */ | 
|  | COND_SYSCALL(epoll_create); | 
|  | COND_SYSCALL(inotify_init); | 
|  | COND_SYSCALL(eventfd); | 
|  | COND_SYSCALL(signalfd); | 
|  | COND_SYSCALL_COMPAT(signalfd); | 
|  |  | 
|  | /* __ARCH_WANT_SYSCALL_OFF_T */ | 
|  | COND_SYSCALL(fadvise64); | 
|  |  | 
|  | /* __ARCH_WANT_SYSCALL_DEPRECATED */ | 
|  | COND_SYSCALL(epoll_wait); | 
|  | COND_SYSCALL(recv); | 
|  | COND_SYSCALL_COMPAT(recv); | 
|  | COND_SYSCALL(send); | 
|  | COND_SYSCALL(bdflush); | 
|  | COND_SYSCALL(uselib); | 
|  |  | 
|  |  | 
|  | /* | 
|  | * The syscalls below are not found in include/uapi/asm-generic/unistd.h | 
|  | */ | 
|  |  | 
|  | /* obsolete: SGETMASK_SYSCALL */ | 
|  | COND_SYSCALL(sgetmask); | 
|  | COND_SYSCALL(ssetmask); | 
|  |  | 
|  | /* obsolete: SYSFS_SYSCALL */ | 
|  | COND_SYSCALL(sysfs); | 
|  |  | 
|  | /* obsolete: __ARCH_WANT_SYS_IPC */ | 
|  | COND_SYSCALL(ipc); | 
|  | COND_SYSCALL_COMPAT(ipc); | 
|  |  | 
|  | /* obsolete: UID16 */ | 
|  | COND_SYSCALL(chown16); | 
|  | COND_SYSCALL(fchown16); | 
|  | COND_SYSCALL(getegid16); | 
|  | COND_SYSCALL(geteuid16); | 
|  | COND_SYSCALL(getgid16); | 
|  | COND_SYSCALL(getgroups16); | 
|  | COND_SYSCALL(getresgid16); | 
|  | COND_SYSCALL(getresuid16); | 
|  | COND_SYSCALL(getuid16); | 
|  | COND_SYSCALL(lchown16); | 
|  | COND_SYSCALL(setfsgid16); | 
|  | COND_SYSCALL(setfsuid16); | 
|  | COND_SYSCALL(setgid16); | 
|  | COND_SYSCALL(setgroups16); | 
|  | COND_SYSCALL(setregid16); | 
|  | COND_SYSCALL(setresgid16); | 
|  | COND_SYSCALL(setresuid16); | 
|  | COND_SYSCALL(setreuid16); | 
|  | COND_SYSCALL(setuid16); | 
|  |  | 
|  | /* restartable sequence */ | 
|  | COND_SYSCALL(rseq); |