Searchable Linux Syscall Table

Since 2013, this table lists the Linux system call numbers for the x86-64 architecture, with their name, arguments, and links to the manual and the implementation. Also, fuzzy search!

The table is derived from the syscall_64.tbl file in the Linux 6.16-rc1 kernel source, and the syscalls.h header file. The generator is available on GitHub.

Syscalls are implemented in functions named as in the Entry point column, generated with DEFINE_SYSCALLx macros. For more information, see Documentation/process/adding-syscalls.rst.

To learn more, read the syscall(2) and syscalls(2) man pages.

Double click on a row to reveal the arguments list. Search using the fuzzy filter box.

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The return value is placed in %rax.

%rax	Name	Manual	Entry point
0	read	read(2)	sys_read
%rdi %rsi %rdx unsigned int fd char *buf size_t count
1	write	write(2)	sys_write
%rdi %rsi %rdx unsigned int fd const char *buf size_t count
2	open	open(2)	sys_open
%rdi %rsi %rdx const char *filename int flags umode_t mode
3	close	close(2)	sys_close
%rdi unsigned int fd
4	stat	stat(2)	sys_newstat
%rdi %rsi const char filename struct stat statbuf
5	fstat	fstat(2)	sys_newfstat
%rdi %rsi unsigned int fd struct stat *statbuf
6	lstat	lstat(2)	sys_newlstat
%rdi %rsi const char filename struct stat statbuf
7	poll	poll(2)	sys_poll
%rdi %rsi %rdx struct pollfd *ufds unsigned int nfds int timeout
8	lseek	lseek(2)	sys_lseek
%rdi %rsi %rdx unsigned int fd off_t offset unsigned int whence
9	mmap	mmap(2)	sys_ksys_mmap_pgoff
%rdi %rsi %rdx %r10 %r8 %r9 unsigned long addr unsigned long len unsigned long prot unsigned long flags unsigned long fd unsigned long pgoff
10	mprotect	mprotect(2)	sys_mprotect
%rdi %rsi %rdx unsigned long start size_t len unsigned long prot
11	munmap	munmap(2)	sys_munmap
%rdi %rsi unsigned long addr size_t len
12	brk	brk(2)	sys_brk
%rdi unsigned long brk
13	rt_sigaction	rt_sigaction(2)	sys_rt_sigaction
%rdi %rsi %rdx %r10 int const struct sigaction * struct sigaction * size_t
14	rt_sigprocmask	rt_sigprocmask(2)	sys_rt_sigprocmask
%rdi %rsi %rdx %r10 int how sigset_t set sigset_t oset size_t sigsetsize
15	rt_sigreturn	rt_sigreturn(2)	sys_rt_sigreturn
No arguments
16	ioctl	ioctl(2)	sys_ioctl
%rdi %rsi %rdx unsigned int fd unsigned int cmd unsigned long arg
17	pread64	pread64(2)	sys_pread64
%rdi %rsi %rdx %r10 unsigned int fd char *buf size_t count loff_t pos
18	pwrite64	pwrite64(2)	sys_pwrite64
%rdi %rsi %rdx %r10 unsigned int fd const char *buf size_t count loff_t pos
19	readv	readv(2)	sys_readv
%rdi %rsi %rdx unsigned long fd const struct iovec *vec unsigned long vlen
20	writev	writev(2)	sys_writev
%rdi %rsi %rdx unsigned long fd const struct iovec *vec unsigned long vlen
21	access	access(2)	sys_access
%rdi %rsi const char *filename int mode
22	pipe	pipe(2)	sys_pipe
%rdi int *fildes
23	select	select(2)	sys_select
%rdi %rsi %rdx %r10 %r8 int n fd_set inp fd_set outp fd_set exp struct __kernel_old_timeval tvp
24	sched_yield	sched_yield(2)	sys_sched_yield
No arguments
25	mremap	mremap(2)	sys_mremap
%rdi %rsi %rdx %r10 %r8 unsigned long addr unsigned long old_len unsigned long new_len unsigned long flags unsigned long new_addr
26	msync	msync(2)	sys_msync
%rdi %rsi %rdx unsigned long start size_t len int flags
27	mincore	mincore(2)	sys_mincore
%rdi %rsi %rdx unsigned long start size_t len unsigned char * vec
28	madvise	madvise(2)	sys_madvise
%rdi %rsi %rdx unsigned long start size_t len int behavior
29	shmget	shmget(2)	sys_shmget
%rdi %rsi %rdx key_t key size_t size int flag
30	shmat	shmat(2)	sys_shmat
%rdi %rsi %rdx int shmid char *shmaddr int shmflg
31	shmctl	shmctl(2)	sys_shmctl
%rdi %rsi %rdx int shmid int cmd struct shmid_ds *buf
32	dup	dup(2)	sys_dup
%rdi unsigned int fildes
33	dup2	dup2(2)	sys_dup2
%rdi %rsi unsigned int oldfd unsigned int newfd
34	pause	pause(2)	sys_pause
No arguments
35	nanosleep	nanosleep(2)	sys_nanosleep
%rdi %rsi struct __kernel_timespec rqtp struct __kernel_timespec rmtp
36	getitimer	getitimer(2)	sys_getitimer
%rdi %rsi int which struct __kernel_old_itimerval *value
37	alarm	alarm(2)	sys_alarm
%rdi unsigned int seconds
38	setitimer	setitimer(2)	sys_setitimer
%rdi %rsi %rdx int which struct __kernel_old_itimerval value struct __kernel_old_itimerval ovalue
39	getpid	getpid(2)	sys_getpid
No arguments
40	sendfile	sendfile(2)	sys_sendfile64
%rdi %rsi %rdx %r10 int out_fd int in_fd loff_t *offset size_t count
41	socket	socket(2)	sys_socket
%rdi %rsi %rdx int int int
42	connect	connect(2)	sys_connect
%rdi %rsi %rdx int struct sockaddr * int
43	accept	accept(2)	sys_accept
%rdi %rsi %rdx int struct sockaddr * int *
44	sendto	sendto(2)	sys_sendto
%rdi %rsi %rdx %r10 %r8 %r9 int void * size_t unsigned struct sockaddr * int
45	recvfrom	recvfrom(2)	sys_recvfrom
%rdi %rsi %rdx %r10 %r8 %r9 int void * size_t unsigned struct sockaddr * int *
46	sendmsg	sendmsg(2)	sys_sendmsg
%rdi %rsi %rdx int fd struct user_msghdr *msg unsigned flags
47	recvmsg	recvmsg(2)	sys_recvmsg
%rdi %rsi %rdx int fd struct user_msghdr *msg unsigned flags
48	shutdown	shutdown(2)	sys_shutdown
%rdi %rsi int int
49	bind	bind(2)	sys_bind
%rdi %rsi %rdx int struct sockaddr * int
50	listen	listen(2)	sys_listen
%rdi %rsi int int
51	getsockname	getsockname(2)	sys_getsockname
%rdi %rsi %rdx int struct sockaddr * int *
52	getpeername	getpeername(2)	sys_getpeername
%rdi %rsi %rdx int struct sockaddr * int *
53	socketpair	socketpair(2)	sys_socketpair
%rdi %rsi %rdx %r10 int int int int *
54	setsockopt	setsockopt(2)	sys_setsockopt
%rdi %rsi %rdx %r10 %r8 int fd int level int optname char *optval int optlen
55	getsockopt	getsockopt(2)	sys_getsockopt
%rdi %rsi %rdx %r10 %r8 int fd int level int optname char optval int optlen
56	clone	clone(2)	sys_clone
%rdi %rsi %rdx %r10 %r8 unsigned long unsigned long int * unsigned long int *
57	fork	fork(2)	sys_fork
No arguments
58	vfork	vfork(2)	sys_vfork
No arguments
59	execve	execve(2)	sys_execve
%rdi %rsi %rdx const char filename const char const argv const char const *envp
60	exit	exit(2)	sys_exit
%rdi int error_code
61	wait4	wait4(2)	sys_wait4
%rdi %rsi %rdx %r10 pid_t pid int stat_addr int options struct rusage ru
62	kill	kill(2)	sys_kill
%rdi %rsi pid_t pid int sig
63	uname	uname(2)	sys_newuname
%rdi struct new_utsname *name
64	semget	semget(2)	sys_semget
%rdi %rsi %rdx key_t key int nsems int semflg
65	semop	semop(2)	sys_semop
%rdi %rsi %rdx int semid struct sembuf *sops unsigned nsops
66	semctl	semctl(2)	sys_semctl
%rdi %rsi %rdx %r10 int semid int semnum int cmd unsigned long arg
67	shmdt	shmdt(2)	sys_shmdt
%rdi char *shmaddr
68	msgget	msgget(2)	sys_msgget
%rdi %rsi key_t key int msgflg
69	msgsnd	msgsnd(2)	sys_msgsnd
%rdi %rsi %rdx %r10 int msqid struct msgbuf *msgp size_t msgsz int msgflg
70	msgrcv	msgrcv(2)	sys_msgrcv
%rdi %rsi %rdx %r10 %r8 int msqid struct msgbuf *msgp size_t msgsz long msgtyp int msgflg
71	msgctl	msgctl(2)	sys_msgctl
%rdi %rsi %rdx int msqid int cmd struct msqid_ds *buf
72	fcntl	fcntl(2)	sys_fcntl
%rdi %rsi %rdx unsigned int fd unsigned int cmd unsigned long arg
73	flock	flock(2)	sys_flock
%rdi %rsi unsigned int fd unsigned int cmd
74	fsync	fsync(2)	sys_fsync
%rdi unsigned int fd
75	fdatasync	fdatasync(2)	sys_fdatasync
%rdi unsigned int fd
76	truncate	truncate(2)	sys_truncate
%rdi %rsi const char *path long length
77	ftruncate	ftruncate(2)	sys_ftruncate
%rdi %rsi unsigned int fd off_t length
78	getdents	getdents(2)	sys_getdents
%rdi %rsi %rdx unsigned int fd struct linux_dirent *dirent unsigned int count
79	getcwd	getcwd(2)	sys_getcwd
%rdi %rsi char *buf unsigned long size
80	chdir	chdir(2)	sys_chdir
%rdi const char *filename
81	fchdir	fchdir(2)	sys_fchdir
%rdi unsigned int fd
82	rename	rename(2)	sys_rename
%rdi %rsi const char oldname const char newname
83	mkdir	mkdir(2)	sys_mkdir
%rdi %rsi const char *pathname umode_t mode
84	rmdir	rmdir(2)	sys_rmdir
%rdi const char *pathname
85	creat	creat(2)	sys_creat
%rdi %rsi const char *pathname umode_t mode
86	link	link(2)	sys_link
%rdi %rsi const char oldname const char newname
87	unlink	unlink(2)	sys_unlink
%rdi const char *pathname
88	symlink	symlink(2)	sys_symlink
%rdi %rsi const char old const char new
89	readlink	readlink(2)	sys_readlink
%rdi %rsi %rdx const char path char buf int bufsiz
90	chmod	chmod(2)	sys_chmod
%rdi %rsi const char *filename umode_t mode
91	fchmod	fchmod(2)	sys_fchmod
%rdi %rsi unsigned int fd umode_t mode
92	chown	chown(2)	sys_chown
%rdi %rsi %rdx const char *filename uid_t user gid_t group
93	fchown	fchown(2)	sys_fchown
%rdi %rsi %rdx unsigned int fd uid_t user gid_t group
94	lchown	lchown(2)	sys_lchown
%rdi %rsi %rdx const char *filename uid_t user gid_t group
95	umask	umask(2)	sys_umask
%rdi int mask
96	gettimeofday	gettimeofday(2)	sys_gettimeofday
%rdi %rsi struct __kernel_old_timeval tv struct timezone tz
97	getrlimit	getrlimit(2)	sys_getrlimit
%rdi %rsi unsigned int resource struct rlimit *rlim
98	getrusage	getrusage(2)	sys_getrusage
%rdi %rsi int who struct rusage *ru
99	sysinfo	sysinfo(2)	sys_sysinfo
%rdi struct sysinfo *info
100	times	times(2)	sys_times
%rdi struct tms *tbuf
101	ptrace	ptrace(2)	sys_ptrace
%rdi %rsi %rdx %r10 long request long pid unsigned long addr unsigned long data
102	getuid	getuid(2)	sys_getuid
No arguments
103	syslog	syslog(2)	sys_syslog
%rdi %rsi %rdx int type char *buf int len
104	getgid	getgid(2)	sys_getgid
No arguments
105	setuid	setuid(2)	sys_setuid
%rdi uid_t uid
106	setgid	setgid(2)	sys_setgid
%rdi gid_t gid
107	geteuid	geteuid(2)	sys_geteuid
No arguments
108	getegid	getegid(2)	sys_getegid
No arguments
109	setpgid	setpgid(2)	sys_setpgid
%rdi %rsi pid_t pid pid_t pgid
110	getppid	getppid(2)	sys_getppid
No arguments
111	getpgrp	getpgrp(2)	sys_getpgrp
No arguments
112	setsid	setsid(2)	sys_setsid
No arguments
113	setreuid	setreuid(2)	sys_setreuid
%rdi %rsi uid_t ruid uid_t euid
114	setregid	setregid(2)	sys_setregid
%rdi %rsi gid_t rgid gid_t egid
115	getgroups	getgroups(2)	sys_getgroups
%rdi %rsi int gidsetsize gid_t *grouplist
116	setgroups	setgroups(2)	sys_setgroups
%rdi %rsi int gidsetsize gid_t *grouplist
117	setresuid	setresuid(2)	sys_setresuid
%rdi %rsi %rdx uid_t ruid uid_t euid uid_t suid
118	getresuid	getresuid(2)	sys_getresuid
%rdi %rsi %rdx uid_t ruid uid_t euid uid_t *suid
119	setresgid	setresgid(2)	sys_setresgid
%rdi %rsi %rdx gid_t rgid gid_t egid gid_t sgid
120	getresgid	getresgid(2)	sys_getresgid
%rdi %rsi %rdx gid_t rgid gid_t egid gid_t *sgid
121	getpgid	getpgid(2)	sys_getpgid
%rdi pid_t pid
122	setfsuid	setfsuid(2)	sys_setfsuid
%rdi uid_t uid
123	setfsgid	setfsgid(2)	sys_setfsgid
%rdi gid_t gid
124	getsid	getsid(2)	sys_getsid
%rdi pid_t pid
125	capget	capget(2)	sys_capget
%rdi %rsi cap_user_header_t header cap_user_data_t dataptr
126	capset	capset(2)	sys_capset
%rdi %rsi cap_user_header_t header const cap_user_data_t data
127	rt_sigpending	rt_sigpending(2)	sys_rt_sigpending
%rdi %rsi sigset_t *set size_t sigsetsize
128	rt_sigtimedwait	rt_sigtimedwait(2)	sys_rt_sigtimedwait
%rdi %rsi %rdx %r10 const sigset_t uthese siginfo_t uinfo const struct __kernel_timespec *uts size_t sigsetsize
129	rt_sigqueueinfo	rt_sigqueueinfo(2)	sys_rt_sigqueueinfo
%rdi %rsi %rdx pid_t pid int sig siginfo_t *uinfo
130	rt_sigsuspend	rt_sigsuspend(2)	sys_rt_sigsuspend
%rdi %rsi sigset_t *unewset size_t sigsetsize
131	sigaltstack	sigaltstack(2)	sys_sigaltstack
%rdi %rsi const struct sigaltstack uss struct sigaltstack uoss
132	utime	utime(2)	sys_utime
%rdi %rsi char filename struct utimbuf times
133	mknod	mknod(2)	sys_mknod
%rdi %rsi %rdx const char *filename umode_t mode unsigned dev
134	uselib	uselib(2)
Not implemented
135	personality	personality(2)	sys_personality
%rdi unsigned int personality
136	ustat	ustat(2)	sys_ustat
%rdi %rsi unsigned dev struct ustat *ubuf
137	statfs	statfs(2)	sys_statfs
%rdi %rsi const char * path struct statfs *buf
138	fstatfs	fstatfs(2)	sys_fstatfs
%rdi %rsi unsigned int fd struct statfs *buf
139	sysfs	sysfs(2)	sys_sysfs
%rdi %rsi %rdx int option unsigned long arg1 unsigned long arg2
140	getpriority	getpriority(2)	sys_getpriority
%rdi %rsi int which int who
141	setpriority	setpriority(2)	sys_setpriority
%rdi %rsi %rdx int which int who int niceval
142	sched_setparam	sched_setparam(2)	sys_sched_setparam
%rdi %rsi pid_t pid struct sched_param *param
143	sched_getparam	sched_getparam(2)	sys_sched_getparam
%rdi %rsi pid_t pid struct sched_param *param
144	sched_setscheduler	sched_setscheduler(2)	sys_sched_setscheduler
%rdi %rsi %rdx pid_t pid int policy struct sched_param *param
145	sched_getscheduler	sched_getscheduler(2)	sys_sched_getscheduler
%rdi pid_t pid
146	sched_get_priority_max	sched_get_priority_max(2)	sys_sched_get_priority_max
%rdi int policy
147	sched_get_priority_min	sched_get_priority_min(2)	sys_sched_get_priority_min
%rdi int policy
148	sched_rr_get_interval	sched_rr_get_interval(2)	sys_sched_rr_get_interval
%rdi %rsi pid_t pid struct __kernel_timespec *interval
149	mlock	mlock(2)	sys_mlock
%rdi %rsi unsigned long start size_t len
150	munlock	munlock(2)	sys_munlock
%rdi %rsi unsigned long start size_t len
151	mlockall	mlockall(2)	sys_mlockall
%rdi int flags
152	munlockall	munlockall(2)	sys_munlockall
No arguments
153	vhangup	vhangup(2)	sys_vhangup
No arguments
154	modify_ldt	modify_ldt(2)	sys_modify_ldt
%rdi %rsi %rdx int func void *ptr unsigned long bytecount
155	pivot_root	pivot_root(2)	sys_pivot_root
%rdi %rsi const char new_root const char put_old
156	_sysctl	_sysctl(2)	sys_ni_syscall
No arguments
157	prctl	prctl(2)	sys_prctl
%rdi %rsi %rdx %r10 %r8 int option unsigned long arg2 unsigned long arg3 unsigned long arg4 unsigned long arg5
158	arch_prctl	arch_prctl(2)	sys_arch_prctl
%rdi %rsi int option unsigned long arg2
159	adjtimex	adjtimex(2)	sys_adjtimex
%rdi struct __kernel_timex *txc_p
160	setrlimit	setrlimit(2)	sys_setrlimit
%rdi %rsi unsigned int resource struct rlimit *rlim
161	chroot	chroot(2)	sys_chroot
%rdi const char *filename
162	sync	sync(2)	sys_sync
No arguments
163	acct	acct(2)	sys_acct
%rdi const char *name
164	settimeofday	settimeofday(2)	sys_settimeofday
%rdi %rsi struct __kernel_old_timeval tv struct timezone tz
165	mount	mount(2)	sys_mount
%rdi %rsi %rdx %r10 %r8 char dev_name char dir_name char type unsigned long flags void data
166	umount2	umount2(2)	sys_umount
%rdi %rsi char *name int flags
167	swapon	swapon(2)	sys_swapon
%rdi %rsi const char *specialfile int swap_flags
168	swapoff	swapoff(2)	sys_swapoff
%rdi const char *specialfile
169	reboot	reboot(2)	sys_reboot
%rdi %rsi %rdx %r10 int magic1 int magic2 unsigned int cmd void *arg
170	sethostname	sethostname(2)	sys_sethostname
%rdi %rsi char *name int len
171	setdomainname	setdomainname(2)	sys_setdomainname
%rdi %rsi char *name int len
172	iopl	iopl(2)	sys_iopl
%rdi unsigned int level
173	ioperm	ioperm(2)	sys_ioperm
%rdi %rsi %rdx unsigned long from unsigned long num int on
174	create_module	create_module(2)
Not implemented
175	init_module	init_module(2)	sys_init_module
%rdi %rsi %rdx void umod unsigned long len const char uargs
176	delete_module	delete_module(2)	sys_delete_module
%rdi %rsi const char *name_user unsigned int flags
177	get_kernel_syms	get_kernel_syms(2)
Not implemented
178	query_module	query_module(2)
Not implemented
179	quotactl	quotactl(2)	sys_quotactl
%rdi %rsi %rdx %r10 unsigned int cmd const char special qid_t id void addr
180	nfsservctl	nfsservctl(2)
Not implemented
181	getpmsg	getpmsg(2)
Not implemented
182	putpmsg	putpmsg(2)
Not implemented
183	afs_syscall	afs_syscall(2)
Not implemented
184	tuxcall	tuxcall(2)
Not implemented
185	security	security(2)
Not implemented
186	gettid	gettid(2)	sys_gettid
No arguments
187	readahead	readahead(2)	sys_readahead
%rdi %rsi %rdx int fd loff_t offset size_t count
188	setxattr	setxattr(2)	sys_setxattr
%rdi %rsi %rdx %r10 %r8 const char path const char name const void *value size_t size int flags
189	lsetxattr	lsetxattr(2)	sys_lsetxattr
%rdi %rsi %rdx %r10 %r8 const char path const char name const void *value size_t size int flags
190	fsetxattr	fsetxattr(2)	sys_fsetxattr
%rdi %rsi %rdx %r10 %r8 int fd const char name const void value size_t size int flags
191	getxattr	getxattr(2)	sys_getxattr
%rdi %rsi %rdx %r10 const char path const char name void *value size_t size
192	lgetxattr	lgetxattr(2)	sys_lgetxattr
%rdi %rsi %rdx %r10 const char path const char name void *value size_t size
193	fgetxattr	fgetxattr(2)	sys_fgetxattr
%rdi %rsi %rdx %r10 int fd const char name void value size_t size
194	listxattr	listxattr(2)	sys_listxattr
%rdi %rsi %rdx const char path char list size_t size
195	llistxattr	llistxattr(2)	sys_llistxattr
%rdi %rsi %rdx const char path char list size_t size
196	flistxattr	flistxattr(2)	sys_flistxattr
%rdi %rsi %rdx int fd char *list size_t size
197	removexattr	removexattr(2)	sys_removexattr
%rdi %rsi const char path const char name
198	lremovexattr	lremovexattr(2)	sys_lremovexattr
%rdi %rsi const char path const char name
199	fremovexattr	fremovexattr(2)	sys_fremovexattr
%rdi %rsi int fd const char *name
200	tkill	tkill(2)	sys_tkill
%rdi %rsi pid_t pid int sig
201	time	time(2)	sys_time
%rdi __kernel_old_time_t *tloc
202	futex	futex(2)	sys_futex
%rdi %rsi %rdx %r10 %r8 %r9 u32 uaddr int op u32 val const struct __kernel_timespec utime u32 *uaddr2 u32 val3
203	sched_setaffinity	sched_setaffinity(2)	sys_sched_setaffinity
%rdi %rsi %rdx pid_t pid unsigned int len unsigned long *user_mask_ptr
204	sched_getaffinity	sched_getaffinity(2)	sys_sched_getaffinity
%rdi %rsi %rdx pid_t pid unsigned int len unsigned long *user_mask_ptr
205	set_thread_area	set_thread_area(2)
Not implemented
206	io_setup	io_setup(2)	sys_io_setup
%rdi %rsi unsigned nr_reqs aio_context_t *ctx
207	io_destroy	io_destroy(2)	sys_io_destroy
%rdi aio_context_t ctx
208	io_getevents	io_getevents(2)	sys_io_getevents
%rdi %rsi %rdx %r10 %r8 aio_context_t ctx_id long min_nr long nr struct io_event events struct __kernel_timespec timeout
209	io_submit	io_submit(2)	sys_io_submit
%rdi %rsi %rdx aio_context_t long struct iocb * *
210	io_cancel	io_cancel(2)	sys_io_cancel
%rdi %rsi %rdx aio_context_t ctx_id struct iocb iocb struct io_event result
211	get_thread_area	get_thread_area(2)
Not implemented
212	lookup_dcookie	lookup_dcookie(2)
Not implemented
213	epoll_create	epoll_create(2)	sys_epoll_create
%rdi int size
214	epoll_ctl_old	epoll_ctl_old(2)
Not implemented
215	epoll_wait_old	epoll_wait_old(2)
Not implemented
216	remap_file_pages	remap_file_pages(2)	sys_remap_file_pages
%rdi %rsi %rdx %r10 %r8 unsigned long start unsigned long size unsigned long prot unsigned long pgoff unsigned long flags
217	getdents64	getdents64(2)	sys_getdents64
%rdi %rsi %rdx unsigned int fd struct linux_dirent64 *dirent unsigned int count
218	set_tid_address	set_tid_address(2)	sys_set_tid_address
%rdi int *tidptr
219	restart_syscall	restart_syscall(2)	sys_restart_syscall
No arguments
220	semtimedop	semtimedop(2)	sys_semtimedop
%rdi %rsi %rdx %r10 int semid struct sembuf sops unsigned nsops const struct __kernel_timespec timeout
221	fadvise64	fadvise64(2)	sys_fadvise64
%rdi %rsi %rdx %r10 int fd loff_t offset size_t len int advice
222	timer_create	timer_create(2)	sys_timer_create
%rdi %rsi %rdx clockid_t which_clock struct sigevent timer_event_spec timer_t created_timer_id
223	timer_settime	timer_settime(2)	sys_timer_settime
%rdi %rsi %rdx %r10 timer_t timer_id int flags const struct __kernel_itimerspec new_setting struct __kernel_itimerspec old_setting
224	timer_gettime	timer_gettime(2)	sys_timer_gettime
%rdi %rsi timer_t timer_id struct __kernel_itimerspec *setting
225	timer_getoverrun	timer_getoverrun(2)	sys_timer_getoverrun
%rdi timer_t timer_id
226	timer_delete	timer_delete(2)	sys_timer_delete
%rdi timer_t timer_id
227	clock_settime	clock_settime(2)	sys_clock_settime
%rdi %rsi clockid_t which_clock const struct __kernel_timespec *tp
228	clock_gettime	clock_gettime(2)	sys_clock_gettime
%rdi %rsi clockid_t which_clock struct __kernel_timespec *tp
229	clock_getres	clock_getres(2)	sys_clock_getres
%rdi %rsi clockid_t which_clock struct __kernel_timespec *tp
230	clock_nanosleep	clock_nanosleep(2)	sys_clock_nanosleep
%rdi %rsi %rdx %r10 clockid_t which_clock int flags const struct __kernel_timespec rqtp struct __kernel_timespec rmtp
231	exit_group	exit_group(2)	sys_exit_group
%rdi int error_code
232	epoll_wait	epoll_wait(2)	sys_epoll_wait
%rdi %rsi %rdx %r10 int epfd struct epoll_event *events int maxevents int timeout
233	epoll_ctl	epoll_ctl(2)	sys_epoll_ctl
%rdi %rsi %rdx %r10 int epfd int op int fd struct epoll_event *event
234	tgkill	tgkill(2)	sys_tgkill
%rdi %rsi %rdx pid_t tgid pid_t pid int sig
235	utimes	utimes(2)	sys_utimes
%rdi %rsi char filename struct __kernel_old_timeval utimes
236	vserver	vserver(2)
Not implemented
237	mbind	mbind(2)	sys_mbind
%rdi %rsi %rdx %r10 %r8 %r9 unsigned long start unsigned long len unsigned long mode const unsigned long *nmask unsigned long maxnode unsigned flags
238	set_mempolicy	set_mempolicy(2)	sys_set_mempolicy
%rdi %rsi %rdx int mode const unsigned long *nmask unsigned long maxnode
239	get_mempolicy	get_mempolicy(2)	sys_get_mempolicy
%rdi %rsi %rdx %r10 %r8 int policy unsigned long nmask unsigned long maxnode unsigned long addr unsigned long flags
240	mq_open	mq_open(2)	sys_mq_open
%rdi %rsi %rdx %r10 const char name int oflag umode_t mode struct mq_attr attr
241	mq_unlink	mq_unlink(2)	sys_mq_unlink
%rdi const char *name
242	mq_timedsend	mq_timedsend(2)	sys_mq_timedsend
%rdi %rsi %rdx %r10 %r8 mqd_t mqdes const char msg_ptr size_t msg_len unsigned int msg_prio const struct __kernel_timespec abs_timeout
243	mq_timedreceive	mq_timedreceive(2)	sys_mq_timedreceive
%rdi %rsi %rdx %r10 %r8 mqd_t mqdes char msg_ptr size_t msg_len unsigned int msg_prio const struct __kernel_timespec *abs_timeout
244	mq_notify	mq_notify(2)	sys_mq_notify
%rdi %rsi mqd_t mqdes const struct sigevent *notification
245	mq_getsetattr	mq_getsetattr(2)	sys_mq_getsetattr
%rdi %rsi %rdx mqd_t mqdes const struct mq_attr mqstat struct mq_attr omqstat
246	kexec_load	kexec_load(2)	sys_kexec_load
%rdi %rsi %rdx %r10 unsigned long entry unsigned long nr_segments struct kexec_segment *segments unsigned long flags
247	waitid	waitid(2)	sys_waitid
%rdi %rsi %rdx %r10 %r8 int which pid_t pid struct siginfo infop int options struct rusage ru
248	add_key	add_key(2)	sys_add_key
%rdi %rsi %rdx %r10 %r8 const char _type const char _description const void *_payload size_t plen key_serial_t destringid
249	request_key	request_key(2)	sys_request_key
%rdi %rsi %rdx %r10 const char _type const char _description const char *_callout_info key_serial_t destringid
250	keyctl	keyctl(2)	sys_keyctl
%rdi %rsi %rdx %r10 %r8 int cmd unsigned long arg2 unsigned long arg3 unsigned long arg4 unsigned long arg5
251	ioprio_set	ioprio_set(2)	sys_ioprio_set
%rdi %rsi %rdx int which int who int ioprio
252	ioprio_get	ioprio_get(2)	sys_ioprio_get
%rdi %rsi int which int who
253	inotify_init	inotify_init(2)	sys_inotify_init
No arguments
254	inotify_add_watch	inotify_add_watch(2)	sys_inotify_add_watch
%rdi %rsi %rdx int fd const char *path u32 mask
255	inotify_rm_watch	inotify_rm_watch(2)	sys_inotify_rm_watch
%rdi %rsi int fd __s32 wd
256	migrate_pages	migrate_pages(2)	sys_migrate_pages
%rdi %rsi %rdx %r10 pid_t pid unsigned long maxnode const unsigned long from const unsigned long to
257	openat	openat(2)	sys_openat
%rdi %rsi %rdx %r10 int dfd const char *filename int flags umode_t mode
258	mkdirat	mkdirat(2)	sys_mkdirat
%rdi %rsi %rdx int dfd const char * pathname umode_t mode
259	mknodat	mknodat(2)	sys_mknodat
%rdi %rsi %rdx %r10 int dfd const char * filename umode_t mode unsigned dev
260	fchownat	fchownat(2)	sys_fchownat
%rdi %rsi %rdx %r10 %r8 int dfd const char *filename uid_t user gid_t group int flag
261	futimesat	futimesat(2)	sys_futimesat
%rdi %rsi %rdx int dfd const char filename struct __kernel_old_timeval utimes
262	newfstatat	newfstatat(2)	sys_newfstatat
%rdi %rsi %rdx %r10 int dfd const char filename struct stat statbuf int flag
263	unlinkat	unlinkat(2)	sys_unlinkat
%rdi %rsi %rdx int dfd const char * pathname int flag
264	renameat	renameat(2)	sys_renameat
%rdi %rsi %rdx %r10 int olddfd const char * oldname int newdfd const char * newname
265	linkat	linkat(2)	sys_linkat
%rdi %rsi %rdx %r10 %r8 int olddfd const char oldname int newdfd const char newname int flags
266	symlinkat	symlinkat(2)	sys_symlinkat
%rdi %rsi %rdx const char * oldname int newdfd const char * newname
267	readlinkat	readlinkat(2)	sys_readlinkat
%rdi %rsi %rdx %r10 int dfd const char path char buf int bufsiz
268	fchmodat	fchmodat(2)	sys_fchmodat
%rdi %rsi %rdx int dfd const char *filename umode_t mode
269	faccessat	faccessat(2)	sys_faccessat
%rdi %rsi %rdx int dfd const char *filename int mode
270	pselect6	pselect6(2)	sys_pselect6
%rdi %rsi %rdx %r10 %r8 %r9 int fd_set * fd_set * fd_set * struct __kernel_timespec * void *
271	ppoll	ppoll(2)	sys_ppoll
%rdi %rsi %rdx %r10 %r8 struct pollfd * unsigned int struct __kernel_timespec * const sigset_t * size_t
272	unshare	unshare(2)	sys_unshare
%rdi unsigned long unshare_flags
273	set_robust_list	set_robust_list(2)	sys_set_robust_list
%rdi %rsi struct robust_list_head *head size_t len
274	get_robust_list	get_robust_list(2)	sys_get_robust_list
%rdi %rsi %rdx int pid struct robust_list_head * head_ptr size_t len_ptr
275	splice	splice(2)	sys_splice
%rdi %rsi %rdx %r10 %r8 %r9 int fd_in loff_t off_in int fd_out loff_t off_out size_t len unsigned int flags
276	tee	tee(2)	sys_tee
%rdi %rsi %rdx %r10 int fdin int fdout size_t len unsigned int flags
277	sync_file_range	sync_file_range(2)	sys_sync_file_range
%rdi %rsi %rdx %r10 int fd loff_t offset loff_t nbytes unsigned int flags
278	vmsplice	vmsplice(2)	sys_vmsplice
%rdi %rsi %rdx %r10 int fd const struct iovec *iov unsigned long nr_segs unsigned int flags
279	move_pages	move_pages(2)	sys_move_pages
%rdi %rsi %rdx %r10 %r8 %r9 pid_t pid unsigned long nr_pages const void * pages const int nodes int *status int flags
280	utimensat	utimensat(2)	sys_utimensat
%rdi %rsi %rdx %r10 int dfd const char filename struct __kernel_timespec utimes int flags
281	epoll_pwait	epoll_pwait(2)	sys_epoll_pwait
%rdi %rsi %rdx %r10 %r8 %r9 int epfd struct epoll_event events int maxevents int timeout const sigset_t sigmask size_t sigsetsize
282	signalfd	signalfd(2)	sys_signalfd
%rdi %rsi %rdx int ufd sigset_t *user_mask size_t sizemask
283	timerfd_create	timerfd_create(2)	sys_timerfd_create
%rdi %rsi int clockid int flags
284	eventfd	eventfd(2)	sys_eventfd
%rdi unsigned int count
285	fallocate	fallocate(2)	sys_fallocate
%rdi %rsi %rdx %r10 int fd int mode loff_t offset loff_t len
286	timerfd_settime	timerfd_settime(2)	sys_timerfd_settime
%rdi %rsi %rdx %r10 int ufd int flags const struct __kernel_itimerspec utmr struct __kernel_itimerspec otmr
287	timerfd_gettime	timerfd_gettime(2)	sys_timerfd_gettime
%rdi %rsi int ufd struct __kernel_itimerspec *otmr
288	accept4	accept4(2)	sys_accept4
%rdi %rsi %rdx %r10 int struct sockaddr * int * int
289	signalfd4	signalfd4(2)	sys_signalfd4
%rdi %rsi %rdx %r10 int ufd sigset_t *user_mask size_t sizemask int flags
290	eventfd2	eventfd2(2)	sys_eventfd2
%rdi %rsi unsigned int count int flags
291	epoll_create1	epoll_create1(2)	sys_epoll_create1
%rdi int flags
292	dup3	dup3(2)	sys_dup3
%rdi %rsi %rdx unsigned int oldfd unsigned int newfd int flags
293	pipe2	pipe2(2)	sys_pipe2
%rdi %rsi int *fildes int flags
294	inotify_init1	inotify_init1(2)	sys_inotify_init1
%rdi int flags
295	preadv	preadv(2)	sys_preadv
%rdi %rsi %rdx %r10 %r8 unsigned long fd const struct iovec *vec unsigned long vlen unsigned long pos_l unsigned long pos_h
296	pwritev	pwritev(2)	sys_pwritev
%rdi %rsi %rdx %r10 %r8 unsigned long fd const struct iovec *vec unsigned long vlen unsigned long pos_l unsigned long pos_h
297	rt_tgsigqueueinfo	rt_tgsigqueueinfo(2)	sys_rt_tgsigqueueinfo
%rdi %rsi %rdx %r10 pid_t tgid pid_t pid int sig siginfo_t *uinfo
298	perf_event_open	perf_event_open(2)	sys_perf_event_open
%rdi %rsi %rdx %r10 %r8 struct perf_event_attr *attr_uptr pid_t pid int cpu int group_fd unsigned long flags
299	recvmmsg	recvmmsg(2)	sys_recvmmsg
%rdi %rsi %rdx %r10 %r8 int fd struct mmsghdr msg unsigned int vlen unsigned flags struct __kernel_timespec timeout
300	fanotify_init	fanotify_init(2)	sys_fanotify_init
%rdi %rsi unsigned int flags unsigned int event_f_flags
301	fanotify_mark	fanotify_mark(2)	sys_fanotify_mark
%rdi %rsi %rdx %r10 %r8 %r9 int fanotify_fd unsigned int flags unsigned int mask_1 unsigned int mask_2 int dfd const char * pathname
302	prlimit64	prlimit64(2)	sys_prlimit64
%rdi %rsi %rdx %r10 pid_t pid unsigned int resource const struct rlimit64 new_rlim struct rlimit64 old_rlim
303	name_to_handle_at	name_to_handle_at(2)	sys_name_to_handle_at
%rdi %rsi %rdx %r10 %r8 int dfd const char name struct file_handle handle void *mnt_id int flag
304	open_by_handle_at	open_by_handle_at(2)	sys_open_by_handle_at
%rdi %rsi %rdx int mountdirfd struct file_handle *handle int flags
305	clock_adjtime	clock_adjtime(2)	sys_clock_adjtime
%rdi %rsi clockid_t which_clock struct __kernel_timex *tx
306	syncfs	syncfs(2)	sys_syncfs
%rdi int fd
307	sendmmsg	sendmmsg(2)	sys_sendmmsg
%rdi %rsi %rdx %r10 int fd struct mmsghdr *msg unsigned int vlen unsigned flags
308	setns	setns(2)	sys_setns
%rdi %rsi int fd int nstype
309	getcpu	getcpu(2)	sys_getcpu
%rdi %rsi %rdx unsigned cpu unsigned node struct getcpu_cache *cache
310	process_vm_readv	process_vm_readv(2)	sys_process_vm_readv
%rdi %rsi %rdx %r10 %r8 %r9 pid_t pid const struct iovec lvec unsigned long liovcnt const struct iovec rvec unsigned long riovcnt unsigned long flags
311	process_vm_writev	process_vm_writev(2)	sys_process_vm_writev
%rdi %rsi %rdx %r10 %r8 %r9 pid_t pid const struct iovec lvec unsigned long liovcnt const struct iovec rvec unsigned long riovcnt unsigned long flags
312	kcmp	kcmp(2)	sys_kcmp
%rdi %rsi %rdx %r10 %r8 pid_t pid1 pid_t pid2 int type unsigned long idx1 unsigned long idx2
313	finit_module	finit_module(2)	sys_finit_module
%rdi %rsi %rdx int fd const char *uargs int flags
314	sched_setattr	sched_setattr(2)	sys_sched_setattr
%rdi %rsi %rdx pid_t pid struct sched_attr *attr unsigned int flags
315	sched_getattr	sched_getattr(2)	sys_sched_getattr
%rdi %rsi %rdx %r10 pid_t pid struct sched_attr *attr unsigned int size unsigned int flags
316	renameat2	renameat2(2)	sys_renameat2
%rdi %rsi %rdx %r10 %r8 int olddfd const char oldname int newdfd const char newname unsigned int flags
317	seccomp	seccomp(2)	sys_seccomp
%rdi %rsi %rdx unsigned int op unsigned int flags void *uargs
318	getrandom	getrandom(2)	sys_getrandom
%rdi %rsi %rdx char *buf size_t count unsigned int flags
319	memfd_create	memfd_create(2)	sys_memfd_create
%rdi %rsi const char *uname_ptr unsigned int flags
320	kexec_file_load	kexec_file_load(2)	sys_kexec_file_load
%rdi %rsi %rdx %r10 %r8 int kernel_fd int initrd_fd unsigned long cmdline_len const char *cmdline_ptr unsigned long flags
321	bpf	bpf(2)	sys_bpf
%rdi %rsi %rdx int cmd union bpf_attr *attr unsigned int size
322	execveat	execveat(2)	sys_execveat
%rdi %rsi %rdx %r10 %r8 int dfd const char filename const char const argv const char const *envp int flags
323	userfaultfd	userfaultfd(2)	sys_userfaultfd
%rdi int flags
324	membarrier	membarrier(2)	sys_membarrier
%rdi %rsi %rdx int cmd unsigned int flags int cpu_id
325	mlock2	mlock2(2)	sys_mlock2
%rdi %rsi %rdx unsigned long start size_t len int flags
326	copy_file_range	copy_file_range(2)	sys_copy_file_range
%rdi %rsi %rdx %r10 %r8 %r9 int fd_in loff_t off_in int fd_out loff_t off_out size_t len unsigned int flags
327	preadv2	preadv2(2)	sys_preadv2
%rdi %rsi %rdx %r10 %r8 %r9 unsigned long fd const struct iovec *vec unsigned long vlen unsigned long pos_l unsigned long pos_h rwf_t flags
328	pwritev2	pwritev2(2)	sys_pwritev2
%rdi %rsi %rdx %r10 %r8 %r9 unsigned long fd const struct iovec *vec unsigned long vlen unsigned long pos_l unsigned long pos_h rwf_t flags
329	pkey_mprotect	pkey_mprotect(2)	sys_pkey_mprotect
%rdi %rsi %rdx %r10 unsigned long start size_t len unsigned long prot int pkey
330	pkey_alloc	pkey_alloc(2)	sys_pkey_alloc
%rdi %rsi unsigned long flags unsigned long init_val
331	pkey_free	pkey_free(2)	sys_pkey_free
%rdi int pkey
332	statx	statx(2)	sys_statx
%rdi %rsi %rdx %r10 %r8 int dfd const char path unsigned flags unsigned mask struct statx buffer
333	io_pgetevents	io_pgetevents(2)	sys_io_pgetevents
%rdi %rsi %rdx %r10 %r8 %r9 aio_context_t ctx_id long min_nr long nr struct io_event events struct __kernel_timespec timeout const struct __aio_sigset *sig
334	rseq	rseq(2)	sys_rseq
%rdi %rsi %rdx %r10 struct rseq *rseq uint32_t rseq_len int flags uint32_t sig
335	uretprobe	uretprobe(2)	sys_uretprobe
No arguments
424	pidfd_send_signal	pidfd_send_signal(2)	sys_pidfd_send_signal
%rdi %rsi %rdx %r10 int pidfd int sig siginfo_t *info unsigned int flags
425	io_uring_setup	io_uring_setup(2)	sys_io_uring_setup
%rdi %rsi u32 entries struct io_uring_params *p
426	io_uring_enter	io_uring_enter(2)	sys_io_uring_enter
%rdi %rsi %rdx %r10 %r8 %r9 unsigned int fd u32 to_submit u32 min_complete u32 flags const void *argp size_t argsz
427	io_uring_register	io_uring_register(2)	sys_io_uring_register
%rdi %rsi %rdx %r10 unsigned int fd unsigned int op void *arg unsigned int nr_args
428	open_tree	open_tree(2)	sys_open_tree
%rdi %rsi %rdx int dfd const char *path unsigned flags
429	move_mount	move_mount(2)	sys_move_mount
%rdi %rsi %rdx %r10 %r8 int from_dfd const char from_path int to_dfd const char to_path unsigned int ms_flags
430	fsopen	fsopen(2)	sys_fsopen
%rdi %rsi const char *fs_name unsigned int flags
431	fsconfig	fsconfig(2)	sys_fsconfig
%rdi %rsi %rdx %r10 %r8 int fs_fd unsigned int cmd const char key const void value int aux
432	fsmount	fsmount(2)	sys_fsmount
%rdi %rsi %rdx int fs_fd unsigned int flags unsigned int ms_flags
433	fspick	fspick(2)	sys_fspick
%rdi %rsi %rdx int dfd const char *path unsigned int flags
434	pidfd_open	pidfd_open(2)	sys_pidfd_open
%rdi %rsi pid_t pid unsigned int flags
435	clone3	clone3(2)	sys_clone3
%rdi %rsi struct clone_args *uargs size_t size
436	close_range	close_range(2)	sys_close_range
%rdi %rsi %rdx unsigned int fd unsigned int max_fd unsigned int flags
437	openat2	openat2(2)	sys_openat2
%rdi %rsi %rdx %r10 int dfd const char filename struct open_how how size_t size
438	pidfd_getfd	pidfd_getfd(2)	sys_pidfd_getfd
%rdi %rsi %rdx int pidfd int fd unsigned int flags
439	faccessat2	faccessat2(2)	sys_faccessat2
%rdi %rsi %rdx %r10 int dfd const char *filename int mode int flags
440	process_madvise	process_madvise(2)	sys_process_madvise
%rdi %rsi %rdx %r10 %r8 int pidfd const struct iovec *vec size_t vlen int behavior unsigned int flags
441	epoll_pwait2	epoll_pwait2(2)	sys_epoll_pwait2
%rdi %rsi %rdx %r10 %r8 %r9 int epfd struct epoll_event events int maxevents const struct __kernel_timespec timeout const sigset_t *sigmask size_t sigsetsize
442	mount_setattr	mount_setattr(2)	sys_mount_setattr
%rdi %rsi %rdx %r10 %r8 int dfd const char path unsigned int flags struct mount_attr uattr size_t usize
443	quotactl_fd	quotactl_fd(2)	sys_quotactl_fd
%rdi %rsi %rdx %r10 unsigned int fd unsigned int cmd qid_t id void *addr
444	landlock_create_ruleset	landlock_create_ruleset(2)	sys_landlock_create_ruleset
%rdi %rsi %rdx const struct landlock_ruleset_attr *attr size_t size __u32 flags
445	landlock_add_rule	landlock_add_rule(2)	sys_landlock_add_rule
%rdi %rsi %rdx %r10 int ruleset_fd enum landlock_rule_type rule_type const void *rule_attr __u32 flags
446	landlock_restrict_self	landlock_restrict_self(2)	sys_landlock_restrict_self
%rdi %rsi int ruleset_fd __u32 flags
447	memfd_secret	memfd_secret(2)	sys_memfd_secret
%rdi unsigned int flags
448	process_mrelease	process_mrelease(2)	sys_process_mrelease
%rdi %rsi int pidfd unsigned int flags
449	futex_waitv	futex_waitv(2)	sys_futex_waitv
%rdi %rsi %rdx %r10 %r8 struct futex_waitv waiters unsigned int nr_futexes unsigned int flags struct __kernel_timespec timeout clockid_t clockid
450	set_mempolicy_home_node	set_mempolicy_home_node(2)	sys_set_mempolicy_home_node
%rdi %rsi %rdx %r10 unsigned long start unsigned long len unsigned long home_node unsigned long flags
451	cachestat	cachestat(2)	sys_cachestat
%rdi %rsi %rdx %r10 unsigned int fd struct cachestat_range cstat_range struct cachestat cstat unsigned int flags
452	fchmodat2	fchmodat2(2)	sys_fchmodat2
%rdi %rsi %rdx %r10 int dfd const char *filename umode_t mode unsigned int flags
453	map_shadow_stack	map_shadow_stack(2)	sys_map_shadow_stack
%rdi %rsi %rdx unsigned long addr unsigned long size unsigned int flags
454	futex_wake	futex_wake(2)	sys_futex_wake
%rdi %rsi %rdx %r10 void *uaddr unsigned long mask int nr unsigned int flags
455	futex_wait	futex_wait(2)	sys_futex_wait
%rdi %rsi %rdx %r10 %r8 %r9 void uaddr unsigned long val unsigned long mask unsigned int flags struct __kernel_timespec timespec clockid_t clockid
456	futex_requeue	futex_requeue(2)	sys_futex_requeue
%rdi %rsi %rdx %r10 struct futex_waitv *waiters unsigned int flags int nr_wake int nr_requeue
457	statmount	statmount(2)	sys_statmount
%rdi %rsi %rdx %r10 const struct mnt_id_req req struct statmount buf size_t bufsize unsigned int flags
458	listmount	listmount(2)	sys_listmount
%rdi %rsi %rdx %r10 const struct mnt_id_req req u64 mnt_ids size_t nr_mnt_ids unsigned int flags
459	lsm_get_self_attr	lsm_get_self_attr(2)	sys_lsm_get_self_attr
%rdi %rsi %rdx %r10 unsigned int attr struct lsm_ctx ctx u32 size u32 flags
460	lsm_set_self_attr	lsm_set_self_attr(2)	sys_lsm_set_self_attr
%rdi %rsi %rdx %r10 unsigned int attr struct lsm_ctx *ctx u32 size u32 flags
461	lsm_list_modules	lsm_list_modules(2)	sys_lsm_list_modules
%rdi %rsi %rdx u64 ids u32 size u32 flags
462	mseal	mseal(2)	sys_mseal
%rdi %rsi %rdx unsigned long start size_t len unsigned long flags
463	setxattrat	setxattrat(2)	sys_setxattrat
%rdi %rsi %rdx %r10 %r8 %r9 int dfd const char path unsigned int at_flags const char name const struct xattr_args *args size_t size
464	getxattrat	getxattrat(2)	sys_getxattrat
%rdi %rsi %rdx %r10 %r8 %r9 int dfd const char path unsigned int at_flags const char name struct xattr_args *args size_t size
465	listxattrat	listxattrat(2)	sys_listxattrat
%rdi %rsi %rdx %r10 %r8 int dfd const char path unsigned int at_flags char list size_t size
466	removexattrat	removexattrat(2)	sys_removexattrat
%rdi %rsi %rdx %r10 int dfd const char path unsigned int at_flags const char name
467	open_tree_attr	open_tree_attr(2)	sys_open_tree_attr
%rdi %rsi %rdx %r10 %r8 int dfd const char path unsigned flags struct mount_attr uattr size_t usize