kernel/sys_ni.c - linux - Git at Google

 // 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_time32);
 COND_SYSCALL(io_getevents);
 COND_SYSCALL(io_pgetevents_time32);
 COND_SYSCALL(io_pgetevents);
 COND_SYSCALL_COMPAT(io_pgetevents_time32);
 COND_SYSCALL_COMPAT(io_pgetevents);
 COND_SYSCALL(io_uring_setup);
 COND_SYSCALL(io_uring_enter);
 COND_SYSCALL(io_uring_register);
 COND_SYSCALL(eventfd2);
 COND_SYSCALL(epoll_create1);
 COND_SYSCALL(epoll_ctl);
 COND_SYSCALL(epoll_pwait);
 COND_SYSCALL_COMPAT(epoll_pwait);
 COND_SYSCALL(epoll_pwait2);
 COND_SYSCALL_COMPAT(epoll_pwait2);
 COND_SYSCALL(inotify_init1);
 COND_SYSCALL(inotify_add_watch);
 COND_SYSCALL(inotify_rm_watch);
 COND_SYSCALL(ioprio_set);
 COND_SYSCALL(ioprio_get);
 COND_SYSCALL(flock);
 COND_SYSCALL(quotactl);
 COND_SYSCALL(quotactl_fd);
 COND_SYSCALL(signalfd4);
 COND_SYSCALL_COMPAT(signalfd4);
 COND_SYSCALL(timerfd_create);
 COND_SYSCALL(timerfd_settime);
 COND_SYSCALL(timerfd_settime32);
 COND_SYSCALL(timerfd_gettime);
 COND_SYSCALL(timerfd_gettime32);
 COND_SYSCALL(acct);
 COND_SYSCALL(capget);
 COND_SYSCALL(capset);
 /* __ARCH_WANT_SYS_CLONE3 */
 COND_SYSCALL(clone3);
 COND_SYSCALL(futex);
 COND_SYSCALL(futex_time32);
 COND_SYSCALL(set_robust_list);
 COND_SYSCALL_COMPAT(set_robust_list);
 COND_SYSCALL(get_robust_list);
 COND_SYSCALL_COMPAT(get_robust_list);
 COND_SYSCALL(futex_waitv);
 COND_SYSCALL(futex_wake);
 COND_SYSCALL(futex_wait);
 COND_SYSCALL(futex_requeue);
 COND_SYSCALL(kexec_load);
 COND_SYSCALL_COMPAT(kexec_load);
 COND_SYSCALL(init_module);
 COND_SYSCALL(delete_module);
 COND_SYSCALL(syslog);
 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);
 COND_SYSCALL(mq_open);
 COND_SYSCALL_COMPAT(mq_open);
 COND_SYSCALL(mq_unlink);
 COND_SYSCALL(mq_timedsend);
 COND_SYSCALL(mq_timedsend_time32);
 COND_SYSCALL(mq_timedreceive);
 COND_SYSCALL(mq_timedreceive_time32);
 COND_SYSCALL(mq_notify);
 COND_SYSCALL_COMPAT(mq_notify);
 COND_SYSCALL(mq_getsetattr);
 COND_SYSCALL_COMPAT(mq_getsetattr);
 COND_SYSCALL(msgget);
 COND_SYSCALL(old_msgctl);
 COND_SYSCALL(msgctl);
 COND_SYSCALL_COMPAT(msgctl);
 COND_SYSCALL_COMPAT(old_msgctl);
 COND_SYSCALL(msgrcv);
 COND_SYSCALL_COMPAT(msgrcv);
 COND_SYSCALL(msgsnd);
 COND_SYSCALL_COMPAT(msgsnd);
 COND_SYSCALL(semget);
 COND_SYSCALL(old_semctl);
 COND_SYSCALL(semctl);
 COND_SYSCALL_COMPAT(semctl);
 COND_SYSCALL_COMPAT(old_semctl);
 COND_SYSCALL(semtimedop);
 COND_SYSCALL(semtimedop_time32);
 COND_SYSCALL(semop);
 COND_SYSCALL(shmget);
 COND_SYSCALL(old_shmctl);
 COND_SYSCALL(shmctl);
 COND_SYSCALL_COMPAT(shmctl);
 COND_SYSCALL_COMPAT(old_shmctl);
 COND_SYSCALL(shmat);
 COND_SYSCALL_COMPAT(shmat);
 COND_SYSCALL(shmdt);
 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);
 COND_SYSCALL(mremap);
 COND_SYSCALL(add_key);
 COND_SYSCALL(request_key);
 COND_SYSCALL(keyctl);
 COND_SYSCALL_COMPAT(keyctl);
 COND_SYSCALL(landlock_create_ruleset);
 COND_SYSCALL(landlock_add_rule);
 COND_SYSCALL(landlock_restrict_self);
 COND_SYSCALL(fadvise64_64);
 COND_SYSCALL_COMPAT(fadvise64_64);

 /* 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(process_madvise);
 COND_SYSCALL(process_mrelease);
 COND_SYSCALL(remap_file_pages);
 COND_SYSCALL(mbind);
 COND_SYSCALL(get_mempolicy);
 COND_SYSCALL(set_mempolicy);
 COND_SYSCALL(migrate_pages);
 COND_SYSCALL(move_pages);
 COND_SYSCALL(set_mempolicy_home_node);
 COND_SYSCALL(cachestat);

 COND_SYSCALL(perf_event_open);
 COND_SYSCALL(accept4);
 COND_SYSCALL(recvmmsg);
 COND_SYSCALL(recvmmsg_time32);
 COND_SYSCALL_COMPAT(recvmmsg_time32);
 COND_SYSCALL_COMPAT(recvmmsg_time64);

 /*
  * 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);

 /* memfd_secret */
 COND_SYSCALL(memfd_secret);

 /*
  * 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(fanotify_mark);

 /* x86 */
 COND_SYSCALL(vm86old);
 COND_SYSCALL(modify_ldt);
 COND_SYSCALL(vm86);
 COND_SYSCALL(kexec_file_load);
 COND_SYSCALL(map_shadow_stack);

 /* s390 */
 COND_SYSCALL(s390_pci_mmio_read);
 COND_SYSCALL(s390_pci_mmio_write);
 COND_SYSCALL(s390_ipc);
 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(uselib);

 /* optional: time32 */
 COND_SYSCALL(time32);
 COND_SYSCALL(stime32);
 COND_SYSCALL(utime32);
 COND_SYSCALL(adjtimex_time32);
 COND_SYSCALL(sched_rr_get_interval_time32);
 COND_SYSCALL(nanosleep_time32);
 COND_SYSCALL(rt_sigtimedwait_time32);
 COND_SYSCALL_COMPAT(rt_sigtimedwait_time32);
 COND_SYSCALL(timer_settime32);
 COND_SYSCALL(timer_gettime32);
 COND_SYSCALL(clock_settime32);
 COND_SYSCALL(clock_gettime32);
 COND_SYSCALL(clock_getres_time32);
 COND_SYSCALL(clock_nanosleep_time32);
 COND_SYSCALL(utimes_time32);
 COND_SYSCALL(futimesat_time32);
 COND_SYSCALL(pselect6_time32);
 COND_SYSCALL_COMPAT(pselect6_time32);
 COND_SYSCALL(ppoll_time32);
 COND_SYSCALL_COMPAT(ppoll_time32);
 COND_SYSCALL(utimensat_time32);
 COND_SYSCALL(clock_adjtime32);

 /*
  * 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);
	// 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_time32);
	COND_SYSCALL(io_getevents);
	COND_SYSCALL(io_pgetevents_time32);
	COND_SYSCALL(io_pgetevents);
	COND_SYSCALL_COMPAT(io_pgetevents_time32);
	COND_SYSCALL_COMPAT(io_pgetevents);
	COND_SYSCALL(io_uring_setup);
	COND_SYSCALL(io_uring_enter);
	COND_SYSCALL(io_uring_register);
	COND_SYSCALL(eventfd2);
	COND_SYSCALL(epoll_create1);
	COND_SYSCALL(epoll_ctl);
	COND_SYSCALL(epoll_pwait);
	COND_SYSCALL_COMPAT(epoll_pwait);
	COND_SYSCALL(epoll_pwait2);
	COND_SYSCALL_COMPAT(epoll_pwait2);
	COND_SYSCALL(inotify_init1);
	COND_SYSCALL(inotify_add_watch);
	COND_SYSCALL(inotify_rm_watch);
	COND_SYSCALL(ioprio_set);
	COND_SYSCALL(ioprio_get);
	COND_SYSCALL(flock);
	COND_SYSCALL(quotactl);
	COND_SYSCALL(quotactl_fd);
	COND_SYSCALL(signalfd4);
	COND_SYSCALL_COMPAT(signalfd4);
	COND_SYSCALL(timerfd_create);
	COND_SYSCALL(timerfd_settime);
	COND_SYSCALL(timerfd_settime32);
	COND_SYSCALL(timerfd_gettime);
	COND_SYSCALL(timerfd_gettime32);
	COND_SYSCALL(acct);
	COND_SYSCALL(capget);
	COND_SYSCALL(capset);
	/* __ARCH_WANT_SYS_CLONE3 */
	COND_SYSCALL(clone3);
	COND_SYSCALL(futex);
	COND_SYSCALL(futex_time32);
	COND_SYSCALL(set_robust_list);
	COND_SYSCALL_COMPAT(set_robust_list);
	COND_SYSCALL(get_robust_list);
	COND_SYSCALL_COMPAT(get_robust_list);
	COND_SYSCALL(futex_waitv);
	COND_SYSCALL(futex_wake);
	COND_SYSCALL(futex_wait);
	COND_SYSCALL(futex_requeue);
	COND_SYSCALL(kexec_load);
	COND_SYSCALL_COMPAT(kexec_load);
	COND_SYSCALL(init_module);
	COND_SYSCALL(delete_module);
	COND_SYSCALL(syslog);
	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);
	COND_SYSCALL(mq_open);
	COND_SYSCALL_COMPAT(mq_open);
	COND_SYSCALL(mq_unlink);
	COND_SYSCALL(mq_timedsend);
	COND_SYSCALL(mq_timedsend_time32);
	COND_SYSCALL(mq_timedreceive);
	COND_SYSCALL(mq_timedreceive_time32);
	COND_SYSCALL(mq_notify);
	COND_SYSCALL_COMPAT(mq_notify);
	COND_SYSCALL(mq_getsetattr);
	COND_SYSCALL_COMPAT(mq_getsetattr);
	COND_SYSCALL(msgget);
	COND_SYSCALL(old_msgctl);
	COND_SYSCALL(msgctl);
	COND_SYSCALL_COMPAT(msgctl);
	COND_SYSCALL_COMPAT(old_msgctl);
	COND_SYSCALL(msgrcv);
	COND_SYSCALL_COMPAT(msgrcv);
	COND_SYSCALL(msgsnd);
	COND_SYSCALL_COMPAT(msgsnd);
	COND_SYSCALL(semget);
	COND_SYSCALL(old_semctl);
	COND_SYSCALL(semctl);
	COND_SYSCALL_COMPAT(semctl);
	COND_SYSCALL_COMPAT(old_semctl);
	COND_SYSCALL(semtimedop);
	COND_SYSCALL(semtimedop_time32);
	COND_SYSCALL(semop);
	COND_SYSCALL(shmget);
	COND_SYSCALL(old_shmctl);
	COND_SYSCALL(shmctl);
	COND_SYSCALL_COMPAT(shmctl);
	COND_SYSCALL_COMPAT(old_shmctl);
	COND_SYSCALL(shmat);
	COND_SYSCALL_COMPAT(shmat);
	COND_SYSCALL(shmdt);
	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);
	COND_SYSCALL(mremap);
	COND_SYSCALL(add_key);
	COND_SYSCALL(request_key);
	COND_SYSCALL(keyctl);
	COND_SYSCALL_COMPAT(keyctl);
	COND_SYSCALL(landlock_create_ruleset);
	COND_SYSCALL(landlock_add_rule);
	COND_SYSCALL(landlock_restrict_self);
	COND_SYSCALL(fadvise64_64);
	COND_SYSCALL_COMPAT(fadvise64_64);

	/* 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(process_madvise);
	COND_SYSCALL(process_mrelease);
	COND_SYSCALL(remap_file_pages);
	COND_SYSCALL(mbind);
	COND_SYSCALL(get_mempolicy);
	COND_SYSCALL(set_mempolicy);
	COND_SYSCALL(migrate_pages);
	COND_SYSCALL(move_pages);
	COND_SYSCALL(set_mempolicy_home_node);
	COND_SYSCALL(cachestat);

	COND_SYSCALL(perf_event_open);
	COND_SYSCALL(accept4);
	COND_SYSCALL(recvmmsg);
	COND_SYSCALL(recvmmsg_time32);
	COND_SYSCALL_COMPAT(recvmmsg_time32);
	COND_SYSCALL_COMPAT(recvmmsg_time64);

	/*
	* 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);

	/* memfd_secret */
	COND_SYSCALL(memfd_secret);

	/*
	* 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(fanotify_mark);

	/* x86 */
	COND_SYSCALL(vm86old);
	COND_SYSCALL(modify_ldt);
	COND_SYSCALL(vm86);
	COND_SYSCALL(kexec_file_load);
	COND_SYSCALL(map_shadow_stack);

	/* s390 */
	COND_SYSCALL(s390_pci_mmio_read);
	COND_SYSCALL(s390_pci_mmio_write);
	COND_SYSCALL(s390_ipc);
	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(uselib);

	/* optional: time32 */
	COND_SYSCALL(time32);
	COND_SYSCALL(stime32);
	COND_SYSCALL(utime32);
	COND_SYSCALL(adjtimex_time32);
	COND_SYSCALL(sched_rr_get_interval_time32);
	COND_SYSCALL(nanosleep_time32);
	COND_SYSCALL(rt_sigtimedwait_time32);
	COND_SYSCALL_COMPAT(rt_sigtimedwait_time32);
	COND_SYSCALL(timer_settime32);
	COND_SYSCALL(timer_gettime32);
	COND_SYSCALL(clock_settime32);
	COND_SYSCALL(clock_gettime32);
	COND_SYSCALL(clock_getres_time32);
	COND_SYSCALL(clock_nanosleep_time32);
	COND_SYSCALL(utimes_time32);
	COND_SYSCALL(futimesat_time32);
	COND_SYSCALL(pselect6_time32);
	COND_SYSCALL_COMPAT(pselect6_time32);
	COND_SYSCALL(ppoll_time32);
	COND_SYSCALL_COMPAT(ppoll_time32);
	COND_SYSCALL(utimensat_time32);
	COND_SYSCALL(clock_adjtime32);

	/*
	* 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);