UNIX System Call Numbers

For AArch64/ARM64 Assembly tutorials see here

Usage

.global _start
.align 4

_start:     your_code_here
            ...
            mov X16, syscall_number     ; Load syscall number
            svc #0x80                   ; Example svc on macOS
            ...                         ; Other ops
            mov X16, 0                  ; Exit
            svc #0x80                   ; Call kernel

syscall_number: .quad your_call_num_here

Number	Operation	Address	Type
1	exit	801d4a74	T
2	fork	801d7980	T
3	read	801eb584	T
4	write	801eb958	T
5	open	800b13a4	T
6	close	801ccab4	T
7	wait4	801d56bc	T
9	link	800b18e8	T
10	unlink	800b1ff0	T
12	chdir	800b0c60	T
13	fchdir	800b0af0	T
14	mknod	800b14bc	T
15	chmod	800b2b40	T
16	chown	800b2c9c	T
18	getfsstat	800b088c	T
20	getpid	801dc20c	T
23	setuid	801dc4c0	T
24	getuid	801dc290	T
25	geteuid	801dc2a0	T
26	ptrace	801e812c	T
27	recvmsg	8020a8fc	T
28	sendmsg	8020a444	T
29	recvfrom	8020a528	T
30	accept	80209dfc	T
31	getpeername	8020abc8	T
32	getsockname	8020ab18	T
33	access	800b24ac	T
34	chflags	800b2928	T
35	fchflags	800b29f0	T
36	sync	800b0320	T
37	kill	801dfdcc	T
39	getppid	801dc214	T
41	dup	801cab04	T
42	pipe	801edbe4	T
43	getegid	801dc318	T
46	sigaction	801deee8	T
47	getgid	801dc308	T
48	sigprocmask	801df42c	T
49	getlogin	801dd0e8	T
50	setlogin	801dd160	T
51	acct	801c54ec	T
52	sigpending	801df5d0	T
53	sigaltstack	801dfd10	T
54	ioctl	801ebd1c	T
55	reboot	801e8090	T
56	revoke	800b43f8	T
57	symlink	800b1b58	T
58	readlink	800b282c	T
59	execve	801d4448	T
60	umask	800b43d0	T
61	chroot	800b0d30	T
65	msync	801d84d0	T
66	vfork	801d7018	T
73	munmap	801d857c	T
74	mprotect	801d85b0	T
75	madvise	801d8668	T
78	mincore	801d86d4	T
79	getgroups	801dc328	T
80	setgroups	801dd02c	T
81	getpgrp	801dc21c	T
82	setpgid	801dc3c8	T
83	setitimer	801e7b78	T
85	swapon	8021be68	T
86	getitimer	801e7a30	T
89	getdtablesize	801ca6dc	T
90	dup2	801caf54	T
92	fcntl	801cb420	T
93	select	801ebfc8	T
95	fsync	800b3238	T
96	setpriority	801dd494	T
97	socket	802098a4	T
98	connect	80209e1c	T
100	getpriority	801dd388	T
104	bind	80209970	T
105	setsockopt	8020aa30	T
106	listen	80209adc	T
111	sigsuspend	801df5f8	T
116	gettimeofday	801e7840	T
117	getrusage	801de22c	T
118	getsockopt	8020aa94	T
120	readv	801eb810	T
121	writev	801ebbb0	T
122	settimeofday	801e789c	T
123	fchown	800b2dac	T
124	fchmod	800b2c70	T
126	setreuid	801dc80c	T
127	setregid	801dcba0	T
128	rename	800b3428	T
131	flock	801ce20c	T
132	mkfifo	800b1798	T
133	sendto	8020a168	T
134	shutdown	8020aa00	T
135	socketpair	8020a00c	T
136	mkdir	800b3d1c	T
137	rmdir	800b3d5c	T
138	utimes	800b2e60	T
139	futimes	800b3034	T
140	adjtime	801e79a0	T
142	gethostuuid	801ed6a4	T
147	setsid	801dc384	T
151	getpgid	801dc224	T
152	setprivexec	801dc1f4	T
153	pread	801eb774	T
154	pwrite	801ebad0	T
157	statfs	800b03c0	T
158	fstatfs	800b0678	T
159	unmount	800afe88	T
165	quotactl	800b03bc	T
167	mount	800af068	T
169	csops	801dafd0	T
170	170	old	table
173	waitid	801d5ab4	T
180	kdebug_trace	801c2db4	T
181	setgid	801dc9a4	T
182	setegid	801dcab0	T
183	seteuid	801dc710	T
184	sigreturn	8021e7e4	T
185	chud	8021d4f4	T
187	fdatasync	800b32b0	T
188	stat	800b2588	T
189	fstat	801ccfec	T
190	lstat	800b26d4	T
191	pathconf	800b27c8	T
192	fpathconf	801cd048	T
194	getrlimit	801de074	T
195	setrlimit	801dd93c	T
196	getdirentries	800b3f94	T
197	mmap	801d7fc0	T
199	lseek	800b2068	T
200	truncate	800b30b4	T
201	ftruncate	800b3174	T
202	__sysctl	801e2478	T
203	mlock	801d8820	T
204	munlock	801d8878	T
205	undelete	800b1cf0	T
216	mkcomplex	800b12c4	T
220	getattrlist	8009b060	T
221	setattrlist	8009b0d8	T
222	getdirentriesattr	800b44e0	T
223	exchangedata	800b469c	T
225	searchfs	800b48dc	T
226	delete	800b202c	T
227	copyfile	800b32cc	T
228	fgetattrlist	80098488	T
229	fsetattrlist	8009b7e0	T
230	poll	801ec72c	T
231	watchevent	801ed054	T
232	waitevent	801ed1f8	T
233	modwatch	801ed368	T
234	getxattr	800b5550	T
235	fgetxattr	800b568c	T
236	setxattr	800b578c	T
237	fsetxattr	800b5898	T
238	removexattr	800b5994	T
239	fremovexattr	800b5a5c	T
240	listxattr	800b5b1c	T
241	flistxattr	800b5c00	T
242	fsctl	800b4dd4	T
243	initgroups	801dcea8	T
244	posix_spawn	801d351c	T
245	ffsctl	800b5474	T
250	minherit	801d8630	T
266	shm_open	8020eb24	T
267	shm_unlink	8020f604	T
268	sem_open	8020df80	T
269	sem_close	8020e718	T
270	sem_unlink	8020e4e0	T
271	sem_wait	8020e76c	T
272	sem_trywait	8020e834	T
273	sem_post	8020e8d8	T
274	sem_getvalue	8020e97c	T
275	sem_init	8020e974	T
276	sem_destroy	8020e978	T
277	open_extended	800b11d8	T
278	umask_extended	800b4380	T
279	stat_extended	800b2530	T
280	lstat_extended	800b267c	T
281	fstat_extended	801ccdd0	T
282	chmod_extended	800b2a30	T
283	fchmod_extended	800b2b74	T
284	access_extended	800b21a0	T
285	settid	801dcd2c	T
286	gettid	801dc2b0	T
287	setsgroups	801dd03c	T
288	getsgroups	801dc37c	T
289	setwgroups	801dd040	T
290	getwgroups	801dc380	T
291	mkfifo_extended	800b16f4	T
292	mkdir_extended	800b3b30	T
294	shared_region_check_np	8021c3a4	T
296	vm_pressure_monitor	8021cb08	T
297	psynch_rw_longrdlock	802159ac	T
298	psynch_rw_yieldwrlock	80215c60	T
299	psynch_rw_downgrade	80215c68	T
300	psynch_rw_upgrade	80215c64	T
301	psynch_mutexwait	80212bd8	T
302	psynch_mutexdrop	80213b9c	T
303	psynch_cvbroad	80213bf0	T
304	psynch_cvsignal	802141c0	T
305	psynch_cvwait	80214648	T
306	psynch_rw_rdlock	80214d7c	T
307	psynch_rw_wrlock	802159b0	T
308	psynch_rw_unlock	80215c6c	T
309	psynch_rw_unlock2	80215f64	T
310	getsid	801dc254	T
311	settid_with_pid	801dcdcc	T
312	psynch_cvclrprepost	80214c7c	T
313	aio_fsync	801c5ed0	T
314	aio_return	801c60a8	T
315	aio_suspend	801c6330	T
316	aio_cancel	801c5a48	T
317	aio_error	801c5e24	T
318	aio_read	801c6088	T
319	aio_write	801c6544	T
320	lio_listio	801c6564	T
322	iopolicysys	801de420	T
323	process_policy	8021a72c	T
324	mlockall	801d88b4	T
325	munlockall	801d88b8	T
327	issetugid	801dc4b0	T
328	__pthread_kill	801dfa44	T
329	__pthread_sigmask	801dfaa4	T
330	__sigwait	801dfb54	T
331	__disable_threadsignal	801df720	T
332	__pthread_markcancel	801df73c	T
333	__pthread_canceled	801df784	T
334	__semwait_signal	801df924	T
336	proc_info	80218618	T
338	stat64	800b25d4	T
339	fstat64	801cd028	T
340	lstat64	800b2720	T
341	stat64_extended	800b2624	T
342	lstat64_extended	800b2770	T
343	fstat64_extended	801cd00c	T
344	getdirentries64	800b4340	T
345	statfs64	800b06e0	T
346	fstatfs64	800b0828	T
347	getfsstat64	800b0a38	T
348	__pthread_chdir	800b0d28	T
349	__pthread_fchdir	800b0c58	T
350	audit	801c1a74	T
351	auditon	801c1a78	T
353	getauid	801c1a7c	T
354	setauid	801c1a80	T
357	getaudit_addr	801c1a84	T
358	setaudit_addr	801c1a88	T
359	auditctl	801c1a8c	T
360	bsdthread_create	80216ab8	T
361	bsdthread_terminate	80216d30	T
362	kqueue	801cf594	T
363	kevent	801cf614	T
364	lchown	800b2d94	T
365	stack_snapshot	801c520c	T
366	bsdthread_register	80216d94	T
367	workq_open	802179e8	T
368	workq_kernreturn	80217e50	T
369	kevent64	801cf8ac	T
370	__old_semwait_signal	801df7f8	T
371	__old_semwait_signal_nocancel	801df82c	T
372	thread_selfid	80218354	T
373	ledger	801ed70c	T
380	__mac_execve	801d4468	T
381	__mac_syscall	8027d0a8	T
382	__mac_get_file	8027cd50	T
383	__mac_set_file	8027cf98	T
384	__mac_get_link	8027ce74	T
385	__mac_set_link	8027d098	T
386	__mac_get_proc	8027c844	T
387	__mac_set_proc	8027c904	T
388	__mac_get_fd	8027cbfc	T
389	__mac_set_fd	8027ce84	T
390	__mac_get_pid	8027c778	T
391	__mac_get_lcid	8027c9b8	T
392	__mac_get_lctx	8027ca7c	T
393	__mac_set_lctx	8027cb38	T
394	setlcid	801dd228	T
395	getlcid	801dd310	T
396	read_nocancel	801eb5a4	T
397	write_nocancel	801eb978	T
398	open_nocancel	800b1434	T
399	close_nocancel	801ccad0	T
400	wait4_nocancel	801d56dc	T
401	recvmsg_nocancel	8020a91c	T
402	sendmsg_nocancel	8020a464	T
403	recvfrom_nocancel	8020a548	T
404	accept_nocancel	80209b1c	T
405	msync_nocancel	801d84e8	T
406	fcntl_nocancel	801cb440	T
407	select_nocancel	801ebfe4	T
408	fsync_nocancel	800b32a8	T
409	connect_nocancel	80209e34	T
410	sigsuspend_nocancel	801df6b4	T
411	readv_nocancel	801eb830	T
412	writev_nocancel	801ebbd0	T
413	sendto_nocancel	8020a188	T
414	pread_nocancel	801eb794	T
415	pwrite_nocancel	801ebaf0	T
416	waitid_nocancel	801d5ad0	T
417	poll_nocancel	801ec74c	T
420	sem_wait_nocancel	8020e788	T
421	aio_suspend_nocancel	801c6350	T
422	__sigwait_nocancel	801dfb8c	T
423	__semwait_signal_nocancel	801df958	T
424	__mac_mount	800af08c	T
425	__mac_get_mount	8027d2a0	T
426	__mac_getfsstat	800b08b0	T
427	fsgetpath	800b5ce4	T
428	audit_session_self	801c1a68	T
429	audit_session_join	801c1a6c	T
430	fileport_makeport	801ce2f0	T
431	fileport_makefd	801ce494	T
432	audit_session_port	801c1a70	T
433	pid_suspend	8021c180	T
434	pid_resume	8021c1f0	T
435	pid_hibernate	8021c268	T
436	pid_shutdown_sockets	8021c2c0	T
438	shared_region_map_and_slide_np	8021c954	T
439	kas_info	8021cb50	T
	(intentionally	crippled	in
440	memorystatus_control	801e62a0	T
441	guarded_open_np	801cead0	T
442	guarded_close_np	801cebdc	T