xref: /illumos-gate/usr/src/uts/common/os/sysent.c (revision 86ef0a63)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
24  * Copyright 2012 Milan Jurik. All rights reserved.
25  * Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
26  * Copyright (c) 2018, Joyent, Inc.
27  * Copyright 2020 Oxide Computer Company
28  */
29 
30 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
31 /*	  All Rights Reserved	*/
32 
33 #include <sys/param.h>
34 #include <sys/types.h>
35 #include <sys/systm.h>
36 #include <sys/systrace.h>
37 #include <sys/procfs.h>
38 #include <sys/mman.h>
39 #include <sys/int_types.h>
40 #include <c2/audit.h>
41 #include <sys/stat.h>
42 #include <sys/times.h>
43 #include <sys/statfs.h>
44 #include <sys/stropts.h>
45 #include <sys/statvfs.h>
46 #include <sys/utsname.h>
47 #include <sys/timex.h>
48 #include <sys/socket.h>
49 #include <sys/sendfile.h>
50 
51 struct hrtsysa;
52 struct mmaplf32a;
53 
54 /*
55  * This table is the switch used to transfer to the appropriate
56  * routine for processing a system call.  Each row contains the
57  * number of arguments expected, a switch that tells systrap()
58  * in trap.c whether a setjmp() is not necessary, and a pointer
59  * to the routine.
60  */
61 
62 int	access(char *, int);
63 int	alarm(int);
64 int	auditsys(struct auditcalls *, rval_t *);
65 int64_t	brandsys(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
66     uintptr_t);
67 intptr_t	brk(caddr_t);
68 int	chdir(char *);
69 int	chmod(char *, int);
70 int	chown(char *, uid_t, gid_t);
71 int	chroot(char *);
72 int	cladm(int, int, void *);
73 int	close(int);
74 int	exece(const char *, const char **, const char **);
75 int	faccessat(int, char *, int, int);
76 int	fchmodat(int, char *, int, int);
77 int	fchownat(int, char *, uid_t, gid_t, int);
78 int	fcntl(int, int, intptr_t);
79 int64_t	vfork();
80 int64_t	forksys(int, int);
81 int	fstat(int, struct stat *);
82 int	fdsync(int, int);
83 int64_t	getgid();
84 int	ucredsys(int, int, void *);
85 int64_t	getpid();
86 int64_t	getuid();
87 time_t	gtime();
88 int	getloadavg(int *, int);
89 int	rusagesys(int, void *, void *, void *, void *);
90 int	getpagesizes(int, size_t *, int);
91 int	gtty(int, intptr_t);
92 #if defined(__x86)
93 int	hrtsys(struct hrtsysa *, rval_t *);
94 #endif /* __x86 */
95 int	ioctl(int, int, intptr_t);
96 int	kill();
97 int	labelsys(int, void *, void *, void *, void *, void *);
98 int	link(char *, char *);
99 int	linkat(int, char *, int, char *, int);
100 off32_t	lseek32(int32_t, off32_t, int32_t);
101 off_t	lseek64(int, off_t, int);
102 int	lgrpsys(int, long, void *);
103 int	mmapobjsys(int, uint_t, mmapobj_result_t *, uint_t *, void *);
104 int	mknod(char *, mode_t, dev_t);
105 int	mknodat(int, char *, mode_t, dev_t);
106 int	mount(long *, rval_t *);
107 int	nice(int);
108 int	nullsys();
109 int	open(char *, int, int);
110 int	openat(int, char *, int, int);
111 int	pause();
112 long	pcsample(void *, long);
113 int	privsys(int, priv_op_t, priv_ptype_t, void *, size_t, int);
114 int	profil(unsigned short *, size_t, ulong_t, uint_t);
115 ssize_t	pread(int, void *, size_t, off_t);
116 int	psecflags(procset_t *, psecflagwhich_t, secflagdelta_t *);
117 ssize_t	pwrite(int, void *, size_t, off_t);
118 ssize_t	read(int, void *, size_t);
119 int	rename(char *, char *);
120 int	renameat(int, char *, int, char *);
121 void	rexit(int);
122 int	semsys();
123 int	setgid(gid_t);
124 int	setpgrp(int, int, int);
125 int	setuid(uid_t);
126 uintptr_t	shmsys();
127 uint64_t	sidsys(int, int, int, int);
128 int	sigprocmask(int, sigset_t *, sigset_t *);
129 int	sigsuspend(sigset_t);
130 int	sigaltstack(struct sigaltstack *, struct sigaltstack *);
131 int	sigaction(int, struct sigaction *, struct sigaction *);
132 int	sigpending(int, sigset_t *);
133 int	sigresend(int, siginfo_t *, sigset_t *);
134 int	sigtimedwait(sigset_t *, siginfo_t *, timespec_t *);
135 int	getsetcontext(int, void *);
136 int	stat(char *, struct stat *);
137 int	fstatat(int, char *, struct stat *, int);
138 int	stime(time_t);
139 int	stty(int, intptr_t);
140 int	syssync();
141 int	sysacct(char *);
142 clock_t	times(struct tms *);
143 long	ulimit(int, long);
144 int	getrlimit32(int, struct rlimit32 *);
145 int	setrlimit32(int, struct rlimit32 *);
146 int	umask(int);
147 int	umount2(char *, int);
148 int	unlink(char *);
149 int	unlinkat(int, char *, int);
150 int	utimesys(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
151 int64_t	utssys32(void *, int, int, void *);
152 int64_t	utssys64(void *, long, int, void *);
153 int	uucopy(const void *, void *, size_t);
154 ssize_t	uucopystr(const char *, char *, size_t);
155 ssize_t	write(int, void *, size_t);
156 ssize_t	readv(int, struct iovec *, int);
157 ssize_t	writev(int, struct iovec *, int);
158 ssize_t	preadv(int, struct iovec *, int, off_t, off_t);
159 ssize_t	pwritev(int, struct iovec *, int, off_t, off_t);
160 int	syslwp_park(int, uintptr_t, uintptr_t);
161 int	rmdir(char *);
162 int	mkdir(char *, int);
163 int	mkdirat(int, char *, int);
164 int	getdents32(int, void *, size_t);
165 int	statfs32(char *, struct statfs32 *, int32_t, int32_t);
166 int	fstatfs32(int32_t, struct statfs32 *, int32_t, int32_t);
167 int	sysfs(int, long, long);
168 int	getmsg(int, struct strbuf *, struct strbuf *, int *);
169 int	pollsys(pollfd_t *, nfds_t, timespec_t *, sigset_t *);
170 int	putmsg(int, struct strbuf *, struct strbuf *, int);
171 int	uadmin();
172 int	lstat(char *, struct stat *);
173 int	symlink(char *, char *);
174 int	symlinkat(char *, int, char *);
175 ssize_t	readlink(char *, char *, size_t);
176 ssize_t	readlinkat(int, char *, char *, size_t);
177 int	resolvepath(char *, char *, size_t);
178 int	setgroups(int, gid_t *);
179 int	getgroups(int, gid_t *);
180 int	fchdir(int);
181 int	fchown(int, uid_t, uid_t);
182 int	fchmod(int, int);
183 int	getcwd(char *, size_t);
184 int	statvfs(char *, struct statvfs *);
185 int	fstatvfs(int, struct statvfs *);
186 offset_t llseek32(int32_t, uint32_t, uint32_t, int);
187 
188 #if defined(__i386_COMPAT)
189 int	sysi86(short, uintptr_t, uintptr_t, uintptr_t);
190 #endif
191 
192 int	acl(const char *, int, int, void *);
193 int	facl(int, int, int, void *);
194 long	priocntlsys(int, procset_t *, int, caddr_t, caddr_t);
195 int	waitsys(idtype_t, id_t, siginfo_t *, int);
196 int	sigsendsys(procset_t *, int);
197 int	mincore(caddr_t, size_t, char *);
198 caddr_t	smmap64(caddr_t, size_t, int, int, int, off_t);
199 caddr_t smmap32(caddr32_t, size32_t, int, int, int, off32_t);
200 int	smmaplf32(struct mmaplf32a *, rval_t *);
201 int	mprotect(caddr_t, size_t, int);
202 int	munmap(caddr_t, size_t);
203 int	uname(struct utsname *);
204 int	lchown(char *, uid_t, gid_t);
205 int	getpmsg(int, struct strbuf *, struct strbuf *, int *, int *);
206 int	putpmsg(int, struct strbuf *, struct strbuf *, int, int);
207 int	memcntl(caddr_t, size_t, int, caddr_t, int, int);
208 long	sysconfig(int);
209 int	adjtime(struct timeval *, struct timeval *);
210 long	systeminfo(int, char *, long);
211 int	setegid(gid_t);
212 int	seteuid(uid_t);
213 
214 int	setreuid(uid_t, uid_t);
215 int	setregid(gid_t, gid_t);
216 int	install_utrap(utrap_entry_t type, utrap_handler_t, utrap_handler_t *);
217 #ifdef __sparc
218 int	sparc_utrap_install(utrap_entry_t type, utrap_handler_t,
219     utrap_handler_t, utrap_handler_t *, utrap_handler_t *);
220 #endif
221 
222 int	syslwp_create(ucontext_t *, int, id_t *);
223 void	syslwp_exit();
224 int	syslwp_suspend(id_t);
225 int	syslwp_continue(id_t);
226 int	syslwp_private(int, int, uintptr_t);
227 int	lwp_detach(id_t);
228 int	lwp_info(timestruc_t *);
229 int	lwp_kill(id_t, int);
230 int	lwp_self();
231 int64_t	lwp_sigmask(int, uint_t, uint_t, uint_t, uint_t);
232 int	yield();
233 int	lwp_wait(id_t, id_t *);
234 int	lwp_mutex_timedlock(lwp_mutex_t *, timespec_t *, uintptr_t);
235 int	lwp_mutex_wakeup(lwp_mutex_t *, int);
236 int	lwp_mutex_unlock(lwp_mutex_t *);
237 int	lwp_mutex_trylock(lwp_mutex_t *, uintptr_t);
238 int	lwp_mutex_register(lwp_mutex_t *, caddr_t);
239 int	lwp_rwlock_sys(int, lwp_rwlock_t *, timespec_t *);
240 int	lwp_sema_post(lwp_sema_t *);
241 int	lwp_sema_timedwait(lwp_sema_t *, timespec_t *, int);
242 int	lwp_sema_trywait(lwp_sema_t *);
243 int	lwp_cond_wait(lwp_cond_t *, lwp_mutex_t *, timespec_t *, int);
244 int	lwp_cond_signal(lwp_cond_t *);
245 int	lwp_cond_broadcast(lwp_cond_t *);
246 caddr_t	schedctl();
247 
248 long	pathconf(char *, int);
249 long	fpathconf(int, int);
250 int	processor_bind(idtype_t, id_t, processorid_t, processorid_t *);
251 int	processor_info(processorid_t, processor_info_t *);
252 int	p_online(processorid_t, int);
253 
254 /*
255  *	POSIX .4 system calls *
256  */
257 int	clock_gettime(clockid_t, timespec_t *);
258 int	clock_settime(clockid_t, timespec_t *);
259 int	clock_getres(clockid_t, timespec_t *);
260 int	timer_create(clockid_t, struct sigevent *, timer_t *);
261 int	timer_delete(timer_t);
262 int	timer_settime(timer_t, int, itimerspec_t *, itimerspec_t *);
263 int	timer_gettime(timer_t, itimerspec_t *);
264 int	timer_getoverrun(timer_t);
265 int	nanosleep(timespec_t *, timespec_t *);
266 int	sigqueue(pid_t, int, void *, int, int);
267 int	signotify(int, siginfo_t *, signotify_id_t *);
268 
269 int	getdents64(int, void *, size_t);
270 int	stat64(char *, struct stat64 *);
271 int	lstat64(char *, struct stat64 *);
272 int	fstatat64(int, char *, struct stat64 *, int);
273 int	fstat64(int, struct stat64 *);
274 int	statvfs64(char *, struct statvfs64 *);
275 int	fstatvfs64(int, struct statvfs64 *);
276 int	setrlimit64(int, struct rlimit64 *);
277 int	getrlimit64(int, struct rlimit64 *);
278 int	pread64(int, void *, size32_t, uint32_t, uint32_t);
279 int	pwrite64(int, void *, size32_t, uint32_t, uint32_t);
280 int	open64(char *, int, int);
281 int	openat64(int, char *, int, int);
282 
283 /*
284  * NTP syscalls
285  */
286 
287 int ntp_gettime(struct ntptimeval *);
288 int ntp_adjtime(struct timex *);
289 
290 /*
291  *	++++++++++++++++++++++++
292  *	++  SunOS4.1 Buyback  ++
293  *	++++++++++++++++++++++++
294  *
295  *	fchroot, vhangup, gettimeofday
296  */
297 
298 int	fchroot(int);
299 int	vhangup();
300 int	gettimeofday(struct timeval *);
301 int	getitimer(uint_t, struct itimerval *);
302 int	setitimer(uint_t, struct itimerval *, struct itimerval *);
303 
304 int	corectl(int, uintptr_t, uintptr_t, uintptr_t);
305 int	modctl(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
306 int64_t loadable_syscall();
307 int64_t indir();
308 
309 long	tasksys(int, projid_t, uint_t, void *, size_t);
310 long	rctlsys(int, char *, void *, void *, size_t, int);
311 
312 long	zone();
313 
314 int	so_socket(int, int, int, char *, int);
315 int	so_socketpair(int[2]);
316 int	bind(int, struct sockaddr *, socklen_t, int);
317 int	listen(int, int, int);
318 int	accept(int, struct sockaddr *, socklen_t *, int, int);
319 int	connect(int, struct sockaddr *, socklen_t, int);
320 int	shutdown(int, int, int);
321 ssize_t	recv(int, void *, size_t, int);
322 ssize_t	recvfrom(int, void *, size_t, int, struct sockaddr *, socklen_t *);
323 ssize_t	recvmsg(int, struct nmsghdr *, int);
324 ssize_t	send(int, void *, size_t, int);
325 ssize_t	sendmsg(int, struct nmsghdr *, int);
326 ssize_t	sendto(int, void *, size_t, int, struct sockaddr *, socklen_t);
327 int	getpeername(int, struct sockaddr *, socklen_t *, int);
328 int	getsockname(int, struct sockaddr *, socklen_t *, int);
329 int	getsockopt(int, int, int, void *, socklen_t *, int);
330 int	setsockopt(int, int, int, void *, socklen_t *, int);
331 int	sockconfig(int, void *, void *, void *, void *);
332 ssize_t	sendfilev(int, int, const struct sendfilevec *, int, size_t *);
333 ssize_t	getrandom(void *, size_t, unsigned int);
334 void	upanic(void *, size_t);
335 
336 typedef int64_t	(*llfcn_t)();	/* for casting one-word returns */
337 
338 /*
339  * Sysent initialization macros.
340  *	These take the name string of the system call even though that isn't
341  *	currently used in the sysent entry.  This might be useful someday.
342  *
343  * Initialization macro for system calls which take their args in the C style.
344  * These system calls return the longlong_t return value and must call
345  * set_errno() to return an error.  For SPARC, narg must be at most six.
346  * For more args, use the SYSENT_AP() routine.
347  *
348  * We are able to return two distinct values to userland via the rval_t.
349  * At this time, that corresponds to one 64-bit quantity, or two 32-bit
350  * quantities.  The kernel does not currently need to return two 64-bit
351  * values, or one 128 bit value(!), but we may do one day, so the calling
352  * sequence between userland and the kernel should permit it.
353  *
354  * The interpretation of rval_t is provided by the sy_flags field
355  * which is used to determine how to arrange the results in registers
356  * (or on the stack) for return userland.
357  */
358 	/* returns a 64-bit quantity for both ABIs */
359 #define	SYSENT_C(name, call, narg)	\
360 	{ (narg), SE_64RVAL, NULL, NULL, (llfcn_t)(uintptr_t)(call) }
361 
362 	/* returns one 32-bit value for both ABIs: r_val1 */
363 #define	SYSENT_CI(name, call, narg)	\
364 	{ (narg), SE_32RVAL1, NULL, NULL, (llfcn_t)(uintptr_t)(call) }
365 
366 	/* returns 2 32-bit values: r_val1 & r_val2 */
367 #define	SYSENT_2CI(name, call, narg)	\
368 	{ (narg), SE_32RVAL1|SE_32RVAL2, NULL, NULL, (llfcn_t)(call) }
369 
370 /*
371  * Initialization macro for system calls which take their args in the standard
372  * Unix style of a pointer to the arg structure and a pointer to the rval_t.
373  *
374  * Deprecated wherever possible (slower on some architectures, and trickier
375  * to maintain two flavours).
376  */
377 #define	SYSENT_AP(name, call, narg)	\
378 	{ (narg), SE_64RVAL, (call), NULL, syscall_ap }
379 
380 /*
381  * Conditional constructors to build the tables without #ifdef clutter
382  */
383 #if defined(_LP64)
384 #define	IF_LP64(true, false)	true
385 #else
386 #define	IF_LP64(true, false)	false
387 #endif
388 
389 #if defined(__sparc)
390 #define	IF_sparc(true, false)	true
391 #else
392 #define	IF_sparc(true, false)	false
393 #endif
394 
395 #define	IF_i386(true, false)	false
396 
397 #if defined(__x86)
398 #define	IF_x86(true, false)	true
399 #else
400 #define	IF_x86(true, false)	false
401 #endif
402 
403 #if defined(__i386_COMPAT)
404 #define	IF_386_ABI(true, false)	true
405 #else
406 #define	IF_386_ABI(true, false)	false
407 #endif
408 
409 /*
410  * Define system calls that return a native 'long' quantity i.e. a 32-bit
411  * or 64-bit integer - depending on how the kernel is itself compiled
412  * e.g. read(2) returns 'ssize_t' in the kernel and in userland.
413  */
414 #define	SYSENT_CL(name, call, narg)	\
415 	IF_LP64(SYSENT_C(name, call, narg), SYSENT_CI(name, call, narg))
416 
417 /*
418  * Initialization macro for loadable native system calls.
419  */
420 #define	SYSENT_LOADABLE()	\
421 	{ 0, SE_LOADABLE, nosys32, NULL, loadable_syscall }
422 
423 /*
424  * Initialization macro for loadable 32-bit compatibility system calls.
425  */
426 #define	SYSENT_LOADABLE32()	SYSENT_LOADABLE()
427 
428 #define	SYSENT_NOSYS()		SYSENT_C("nosys", nosys, 0)
429 
430 struct sysent nosys_ent = SYSENT_NOSYS();
431 
432 /*
433  * Native sysent table.
434  */
435 struct sysent sysent[NSYSCALL] =
436 {
437 	/*  0 */ IF_LP64(
438 			SYSENT_NOSYS(),
439 			SYSENT_C("indir",	indir,		1)),
440 	/*  1 */ SYSENT_CI("exit",		rexit,		1),
441 	/*  2 */ SYSENT_CI("psecflags",		psecflags,	3),
442 	/*  3 */ SYSENT_CL("read",		read,		3),
443 	/*  4 */ SYSENT_CL("write",		write,		3),
444 	/*  5 */ SYSENT_CI("open",		open,		3),
445 	/*  6 */ SYSENT_CI("close",		close,		1),
446 	/*  7 */ SYSENT_CI("linkat",		linkat,		5),
447 	/*  8 */ SYSENT_LOADABLE(),			/* (was creat) */
448 	/*  9 */ SYSENT_CI("link",		link,		2),
449 	/* 10 */ SYSENT_CI("unlink",		unlink,		1),
450 	/* 11 */ SYSENT_CI("symlinkat",		symlinkat,	3),
451 	/* 12 */ SYSENT_CI("chdir",		chdir,		1),
452 	/* 13 */ SYSENT_CL("time",		gtime,		0),
453 	/* 14 */ SYSENT_CI("mknod",		mknod,		3),
454 	/* 15 */ SYSENT_CI("chmod",		chmod,		2),
455 	/* 16 */ SYSENT_CI("chown",		chown,		3),
456 	/* 17 */ SYSENT_CI("brk",		brk,		1),
457 	/* 18 */ SYSENT_CI("stat",		stat,		2),
458 	/* 19 */ IF_LP64(
459 			SYSENT_CL("lseek",	lseek64,	3),
460 			SYSENT_CL("lseek",	lseek32,	3)),
461 	/* 20 */ SYSENT_2CI("getpid",		getpid,		0),
462 	/* 21 */ SYSENT_AP("mount",		mount,		8),
463 	/* 22 */ SYSENT_CL("readlinkat",	readlinkat,	4),
464 	/* 23 */ SYSENT_CI("setuid",		setuid,		1),
465 	/* 24 */ SYSENT_2CI("getuid",		getuid,		0),
466 	/* 25 */ SYSENT_CI("stime",		stime,		1),
467 	/* 26 */ SYSENT_CL("pcsample",		pcsample,	2),
468 	/* 27 */ SYSENT_CI("alarm",		alarm,		1),
469 	/* 28 */ SYSENT_CI("fstat",		fstat,		2),
470 	/* 29 */ SYSENT_CI("pause",		pause,		0),
471 	/* 30 */ SYSENT_LOADABLE(),			/* (was utime) */
472 	/* 31 */ SYSENT_CI("stty",		stty,		2),
473 	/* 32 */ SYSENT_CI("gtty",		gtty,		2),
474 	/* 33 */ SYSENT_CI("access",		access,		2),
475 	/* 34 */ SYSENT_CI("nice",		nice,		1),
476 	/* 35 */ IF_LP64(
477 			SYSENT_NOSYS(),
478 			SYSENT_CI("statfs",	statfs32,	4)),
479 	/* 36 */ SYSENT_CI("sync",		syssync,	0),
480 	/* 37 */ SYSENT_CI("kill",		kill,		2),
481 	/* 38 */ IF_LP64(
482 			SYSENT_NOSYS(),
483 			SYSENT_CI("fstatfs",	fstatfs32,	4)),
484 	/* 39 */ SYSENT_CI("setpgrp",		setpgrp,	3),
485 	/* 40 */ SYSENT_CI("uucopystr",		uucopystr,	3),
486 	/* 41 */ SYSENT_LOADABLE(),			/* (was dup) */
487 	/* 42 */ SYSENT_LOADABLE(),			/* pipe */
488 	/* 43 */ SYSENT_CL("times",		times,		1),
489 	/* 44 */ SYSENT_CI("prof",		profil,		4),
490 	/* 45 */ SYSENT_CI("faccessat",		faccessat,	4),
491 	/* 46 */ SYSENT_CI("setgid",		setgid,		1),
492 	/* 47 */ SYSENT_2CI("getgid",		getgid,		0),
493 	/* 48 */ SYSENT_CI("mknodat",		mknodat,	4),
494 	/* 49 */ SYSENT_LOADABLE(),			/* msgsys */
495 	/* 50 */ IF_x86(
496 			SYSENT_CI("sysi86",	sysi86,		4),
497 			SYSENT_LOADABLE()),		/* (was sys3b) */
498 	/* 51 */ SYSENT_LOADABLE(),			/* sysacct */
499 	/* 52 */ SYSENT_LOADABLE(),			/* shmsys */
500 	/* 53 */ SYSENT_LOADABLE(),			/* semsys */
501 	/* 54 */ SYSENT_CI("ioctl",		ioctl,		3),
502 	/* 55 */ SYSENT_CI("uadmin",		uadmin,		3),
503 	/* 56 */ SYSENT_CI("fchownat",		fchownat,	5),
504 	/* 57 */ IF_LP64(
505 			SYSENT_2CI("utssys",	utssys64,	4),
506 			SYSENT_2CI("utssys",	utssys32,	4)),
507 	/* 58 */ SYSENT_CI("fdsync",		fdsync,		2),
508 	/* 59 */ SYSENT_CI("exece",		exece,		3),
509 	/* 60 */ SYSENT_CI("umask",		umask,		1),
510 	/* 61 */ SYSENT_CI("chroot",		chroot,		1),
511 	/* 62 */ SYSENT_CI("fcntl",		fcntl,		3),
512 	/* 63 */ SYSENT_CI("ulimit",		ulimit,		2),
513 	/* 64 */ SYSENT_CI("renameat",		renameat,	4),
514 	/* 65 */ SYSENT_CI("unlinkat",		unlinkat,	3),
515 	/* 66 */ SYSENT_CI("fstatat",		fstatat,	4),
516 	/* 67 */ IF_LP64(
517 			SYSENT_NOSYS(),
518 			SYSENT_CI("fstatat64",	fstatat64,	4)),
519 	/* 68 */ SYSENT_CI("openat",		openat,		4),
520 	/* 69 */ IF_LP64(
521 			SYSENT_NOSYS(),
522 			SYSENT_CI("openat64",	openat64,	4)),
523 	/* 70 */ SYSENT_CI("tasksys",		tasksys,	5),
524 	/* 71 */ SYSENT_LOADABLE(),		/* acctctl */
525 	/* 72 */ SYSENT_LOADABLE(),		/* exacct */
526 	/* 73 */ SYSENT_CI("getpagesizes",	getpagesizes,	3),
527 	/* 74 */ SYSENT_CI("rctlsys",		rctlsys,	6),
528 	/* 75 */ SYSENT_2CI("sidsys",		sidsys,		4),
529 	/* 76 */ SYSENT_LOADABLE(),			/* (was fsat) */
530 	/* 77 */ SYSENT_CI("lwp_park",		syslwp_park,	3),
531 	/* 78 */ SYSENT_CL("sendfilev",		sendfilev,	5),
532 	/* 79 */ SYSENT_CI("rmdir",		rmdir,		1),
533 	/* 80 */ SYSENT_CI("mkdir",		mkdir,		2),
534 	/* 81 */ IF_LP64(
535 			SYSENT_CI("getdents",	getdents64,	3),
536 			SYSENT_CI("getdents",	getdents32,	3)),
537 	/* 82 */ SYSENT_CI("privsys",		privsys,	6),
538 	/* 83 */ SYSENT_CI("ucredsys",		ucredsys,	3),
539 	/* 84 */ SYSENT_CI("sysfs",		sysfs,		3),
540 	/* 85 */ SYSENT_CI("getmsg",		getmsg,		4),
541 	/* 86 */ SYSENT_CI("putmsg",		putmsg,		4),
542 	/* 87 */ SYSENT_LOADABLE(),			/* (was poll) */
543 	/* 88 */ SYSENT_CI("lstat",		lstat,		2),
544 	/* 89 */ SYSENT_CI("symlink",		symlink,	2),
545 	/* 90 */ SYSENT_CL("readlink",		readlink,	3),
546 	/* 91 */ SYSENT_CI("setgroups",		setgroups,	2),
547 	/* 92 */ SYSENT_CI("getgroups",		getgroups,	2),
548 	/* 93 */ SYSENT_CI("fchmod",		fchmod,		2),
549 	/* 94 */ SYSENT_CI("fchown",		fchown,		3),
550 	/* 95 */ SYSENT_CI("sigprocmask",	sigprocmask,	3),
551 	/* 96 */ SYSENT_CI("sigsuspend",	sigsuspend,	1),
552 	/* 97 */ SYSENT_CI("sigaltstack",	sigaltstack,	2),
553 	/* 98 */ SYSENT_CI("sigaction",		sigaction,	3),
554 	/* 99 */ SYSENT_CI("sigpending",	sigpending,	2),
555 	/* 100 */ SYSENT_CI("getsetcontext",	getsetcontext,	2),
556 	/* 101 */ SYSENT_CI("fchmodat",		fchmodat,	4),
557 	/* 102 */ SYSENT_CI("mkdirat",		mkdirat,	3),
558 	/* 103 */ SYSENT_CI("statvfs",		statvfs,	2),
559 	/* 104 */ SYSENT_CI("fstatvfs",		fstatvfs,	2),
560 	/* 105 */ SYSENT_CI("getloadavg",	getloadavg,	2),
561 	/* 106 */ SYSENT_LOADABLE(),		/* nfssys */
562 	/* 107 */ SYSENT_CI("waitsys",		waitsys,	4),
563 	/* 108 */ SYSENT_CI("sigsendset",	sigsendsys,	2),
564 	/* 109 */ IF_x86(
565 			SYSENT_AP("hrtsys",	hrtsys,		5),
566 			SYSENT_LOADABLE()),
567 	/* 110 */ SYSENT_CI("utimesys",		utimesys,	5),
568 	/* 111 */ SYSENT_CI("sigresend",	sigresend,	3),
569 	/* 112 */ SYSENT_CL("priocntlsys",	priocntlsys,	5),
570 	/* 113 */ SYSENT_CL("pathconf",		pathconf,	2),
571 	/* 114 */ SYSENT_CI("mincore",		mincore,	3),
572 	/* 115 */ IF_LP64(
573 			SYSENT_CL("mmap",	smmap64,	6),
574 			SYSENT_CL("mmap",	smmap32,	6)),
575 	/* 116 */ SYSENT_CI("mprotect",		mprotect,	3),
576 	/* 117 */ SYSENT_CI("munmap",		munmap,		2),
577 	/* 118 */ SYSENT_CL("fpathconf",	fpathconf,	2),
578 	/* 119 */ SYSENT_2CI("vfork",		vfork,		0),
579 	/* 120 */ SYSENT_CI("fchdir",		fchdir,		1),
580 	/* 121 */ SYSENT_CL("readv",		readv,		3),
581 	/* 122 */ SYSENT_CL("writev",		writev,		3),
582 	/* 123 */ SYSENT_CL("preadv",		preadv,		5),
583 	/* 124 */ SYSENT_CL("pwritev",		pwritev,	5),
584 	/* 125 */ SYSENT_CI("upanic",		upanic,		2),
585 	/* 126 */ SYSENT_CL("getrandom",	getrandom,	3),
586 	/* 127 */ SYSENT_CI("mmapobj",		mmapobjsys,	5),
587 	/* 128 */ IF_LP64(
588 			SYSENT_CI("setrlimit",	setrlimit64,	2),
589 			SYSENT_CI("setrlimit",	setrlimit32,	2)),
590 	/* 129 */ IF_LP64(
591 			SYSENT_CI("getrlimit",	getrlimit64,	2),
592 			SYSENT_CI("getrlimit",	getrlimit32,	2)),
593 	/* 130 */ SYSENT_CI("lchown",		lchown,		3),
594 	/* 131 */ SYSENT_CI("memcntl",		memcntl,	6),
595 	/* 132 */ SYSENT_CI("getpmsg",		getpmsg,	5),
596 	/* 133 */ SYSENT_CI("putpmsg",		putpmsg,	5),
597 	/* 134 */ SYSENT_CI("rename",		rename,		2),
598 	/* 135 */ SYSENT_CI("uname",		uname,		1),
599 	/* 136 */ SYSENT_CI("setegid",		setegid,	1),
600 	/* 137 */ SYSENT_CL("sysconfig",	sysconfig,	1),
601 	/* 138 */ SYSENT_CI("adjtime",		adjtime,	2),
602 	/* 139 */ SYSENT_CL("systeminfo",	systeminfo,	3),
603 	/* 140 */ SYSENT_LOADABLE(),		/* sharefs */
604 	/* 141 */ SYSENT_CI("seteuid",		seteuid,	1),
605 	/* 142 */ SYSENT_2CI("forksys",		forksys,	2),
606 	/* 143 */ SYSENT_LOADABLE(),			/* (was fork1) */
607 	/* 144 */ SYSENT_CI("sigtimedwait",	sigtimedwait,	3),
608 	/* 145 */ SYSENT_CI("lwp_info",		lwp_info,	1),
609 	/* 146 */ SYSENT_CI("yield",		yield,		0),
610 	/* 147 */ SYSENT_LOADABLE(),		    /* (was lwp_sema_wait) */
611 	/* 148 */ SYSENT_CI("lwp_sema_post",	lwp_sema_post,	1),
612 	/* 149 */ SYSENT_CI("lwp_sema_trywait",	lwp_sema_trywait, 1),
613 	/* 150 */ SYSENT_CI("lwp_detach",	lwp_detach,	1),
614 	/* 151 */ SYSENT_CI("corectl",		corectl,	4),
615 	/* 152 */ SYSENT_CI("modctl",		modctl,		6),
616 	/* 153 */ SYSENT_CI("fchroot",		fchroot,	1),
617 	/* 154 */ SYSENT_LOADABLE(),			/* (was utimes) */
618 	/* 155 */ SYSENT_CI("vhangup",		vhangup,	0),
619 	/* 156 */ SYSENT_CI("gettimeofday",	gettimeofday,	1),
620 	/* 157 */ SYSENT_CI("getitimer",	getitimer,	2),
621 	/* 158 */ SYSENT_CI("setitimer",	setitimer,	3),
622 	/* 159 */ SYSENT_CI("lwp_create",	syslwp_create,	3),
623 	/* 160 */ SYSENT_CI("lwp_exit",		syslwp_exit,	0),
624 	/* 161 */ SYSENT_CI("lwp_suspend",	syslwp_suspend,	1),
625 	/* 162 */ SYSENT_CI("lwp_continue",	syslwp_continue, 1),
626 	/* 163 */ SYSENT_CI("lwp_kill",		lwp_kill,	2),
627 	/* 164 */ SYSENT_CI("lwp_self",		lwp_self,	0),
628 	/* 165 */ SYSENT_2CI("lwp_sigmask",	lwp_sigmask,	5),
629 	/* 166 */ IF_x86(
630 			SYSENT_CI("lwp_private", syslwp_private, 3),
631 			SYSENT_NOSYS()),
632 	/* 167 */ SYSENT_CI("lwp_wait",		lwp_wait,	2),
633 	/* 168 */ SYSENT_CI("lwp_mutex_wakeup",	lwp_mutex_wakeup,	2),
634 	/* 169 */ SYSENT_LOADABLE(),		    /* (was lwp_mutex_lock) */
635 	/* 170 */ SYSENT_CI("lwp_cond_wait",	lwp_cond_wait,		4),
636 	/* 171 */ SYSENT_CI("lwp_cond_signal",	lwp_cond_signal,	1),
637 	/* 172 */ SYSENT_CI("lwp_cond_broadcast", lwp_cond_broadcast,	1),
638 	/* 173 */ SYSENT_CL("pread",		pread,		4),
639 	/* 174 */ SYSENT_CL("pwrite ",		pwrite,		4),
640 	/*
641 	 * The 64-bit C library maps llseek() to lseek(), so this
642 	 * is needed as a native syscall only on the 32-bit kernel.
643 	 */
644 	/* 175 */ IF_LP64(
645 			SYSENT_NOSYS(),
646 			SYSENT_C("llseek",	llseek32,	4)),
647 	/* 176 */ SYSENT_LOADABLE(),		/* inst_sync */
648 	/* 177 */ SYSENT_CI("brandsys",		brandsys,	6),
649 	/* 178 */ SYSENT_LOADABLE(),		/* kaio */
650 	/* 179 */ SYSENT_LOADABLE(),		/* cpc */
651 	/* 180 */ SYSENT_CI("lgrpsys",		lgrpsys,	3),
652 	/* 181 */ SYSENT_CI("rusagesys",	rusagesys,	5),
653 	/* 182 */ SYSENT_LOADABLE(),		/* portfs */
654 	/* 183 */ SYSENT_CI("pollsys",		pollsys,	4),
655 	/* 184 */ SYSENT_CI("labelsys",		labelsys,	5),
656 	/* 185 */ SYSENT_CI("acl",		acl,		4),
657 	/* 186 */ SYSENT_AP("auditsys",		auditsys,	6),
658 	/* 187 */ SYSENT_CI("processor_bind",	processor_bind,	4),
659 	/* 188 */ SYSENT_CI("processor_info",	processor_info,	2),
660 	/* 189 */ SYSENT_CI("p_online",		p_online,	2),
661 	/* 190 */ SYSENT_CI("sigqueue",		sigqueue,	5),
662 	/* 191 */ SYSENT_CI("clock_gettime",	clock_gettime,	2),
663 	/* 192 */ SYSENT_CI("clock_settime",	clock_settime,	2),
664 	/* 193 */ SYSENT_CI("clock_getres",	clock_getres,	2),
665 	/* 194 */ SYSENT_CI("timer_create",	timer_create,	3),
666 	/* 195 */ SYSENT_CI("timer_delete",	timer_delete,	1),
667 	/* 196 */ SYSENT_CI("timer_settime",	timer_settime,	4),
668 	/* 197 */ SYSENT_CI("timer_gettime",	timer_gettime,	2),
669 	/* 198 */ SYSENT_CI("timer_getoverrun",	timer_getoverrun, 1),
670 	/* 199 */ SYSENT_CI("nanosleep",	nanosleep,	2),
671 	/* 200 */ SYSENT_CI("facl",		facl,		4),
672 	/* 201 */ SYSENT_LOADABLE(),		/* door */
673 	/* 202 */ SYSENT_CI("setreuid",		setreuid,	2),
674 	/* 203 */ SYSENT_CI("setregid",		setregid,	2),
675 	/* 204 */ SYSENT_CI("install_utrap",	install_utrap,	3),
676 	/* 205 */ SYSENT_CI("signotify",	signotify,	3),
677 	/* 206 */ SYSENT_CL("schedctl",		schedctl,	0),
678 	/* 207 */ SYSENT_LOADABLE(),		/* pset */
679 	/* 208 */ IF_sparc(
680 		SYSENT_CI("sparc_utrap_install", sparc_utrap_install, 5),
681 		SYSENT_NOSYS()),
682 	/* 209 */ SYSENT_CI("resolvepath",	resolvepath,	3),
683 	/* 210 */ SYSENT_CI("lwp_mutex_timedlock", lwp_mutex_timedlock,	3),
684 	/* 211 */ SYSENT_CI("lwp_sema_timedwait", lwp_sema_timedwait,	3),
685 	/* 212 */ SYSENT_CI("lwp_rwlock_sys",	lwp_rwlock_sys,	3),
686 	/*
687 	 * Syscalls 213-225: 32-bit system call support for large files.
688 	 *
689 	 * (The 64-bit C library transparently maps these system calls
690 	 * back to their native versions, so almost all of them are only
691 	 * needed as native syscalls on the 32-bit kernel).
692 	 */
693 	/* 213 */ IF_LP64(
694 			SYSENT_NOSYS(),
695 			SYSENT_CI("getdents64",	getdents64,	3)),
696 	/* 214 */ IF_LP64(
697 			SYSENT_NOSYS(),
698 			SYSENT_AP("smmaplf32",	smmaplf32,	7)),
699 	/* 215 */ IF_LP64(
700 			SYSENT_NOSYS(),
701 			SYSENT_CI("stat64",	stat64,		2)),
702 	/* 216 */ IF_LP64(
703 			SYSENT_NOSYS(),
704 			SYSENT_CI("lstat64",	lstat64,	2)),
705 	/* 217 */ IF_LP64(
706 			SYSENT_NOSYS(),
707 			SYSENT_CI("fstat64",	fstat64,	2)),
708 	/* 218 */ IF_LP64(
709 			SYSENT_NOSYS(),
710 			SYSENT_CI("statvfs64",	statvfs64,	2)),
711 	/* 219 */ IF_LP64(
712 			SYSENT_NOSYS(),
713 			SYSENT_CI("fstatvfs64",	fstatvfs64,	2)),
714 	/* 220 */ IF_LP64(
715 			SYSENT_NOSYS(),
716 			SYSENT_CI("setrlimit64", setrlimit64,	2)),
717 	/* 221 */ IF_LP64(
718 			SYSENT_NOSYS(),
719 			SYSENT_CI("getrlimit64", getrlimit64,	2)),
720 	/* 222 */ IF_LP64(
721 			SYSENT_NOSYS(),
722 			SYSENT_CI("pread64",	pread64,	5)),
723 	/* 223 */ IF_LP64(
724 			SYSENT_NOSYS(),
725 			SYSENT_CI("pwrite64",	pwrite64,	5)),
726 	/* 224 */ SYSENT_LOADABLE(),			/* (was creat64) */
727 	/* 225 */ IF_LP64(
728 			SYSENT_NOSYS(),
729 			SYSENT_CI("open64",	open64,		3)),
730 	/* 226 */ SYSENT_LOADABLE(),		/* rpcsys */
731 	/* 227 */ SYSENT_CL("zone",		zone,		5),
732 	/* 228 */ SYSENT_LOADABLE(),		/* autofssys */
733 	/* 229 */ SYSENT_CI("getcwd",		getcwd,		2),
734 	/* 230 */ SYSENT_CI("so_socket",	so_socket,	5),
735 	/* 231 */ SYSENT_CI("so_socketpair",	so_socketpair,	1),
736 	/* 232 */ SYSENT_CI("bind",		bind,		4),
737 	/* 233 */ SYSENT_CI("listen",		listen,		3),
738 	/* 234 */ SYSENT_CI("accept",		accept,		5),
739 	/* 235 */ SYSENT_CI("connect",		connect,	4),
740 	/* 236 */ SYSENT_CI("shutdown",		shutdown,	3),
741 	/* 237 */ SYSENT_CL("recv",		recv,		4),
742 	/* 238 */ SYSENT_CL("recvfrom",		recvfrom,	6),
743 	/* 239 */ SYSENT_CL("recvmsg",		recvmsg,	3),
744 	/* 240 */ SYSENT_CL("send",		send,		4),
745 	/* 241 */ SYSENT_CL("sendmsg",		sendmsg,	3),
746 	/* 242 */ SYSENT_CL("sendto",		sendto,		6),
747 	/* 243 */ SYSENT_CI("getpeername",	getpeername,	4),
748 	/* 244 */ SYSENT_CI("getsockname",	getsockname,	4),
749 	/* 245 */ SYSENT_CI("getsockopt",	getsockopt,	6),
750 	/* 246 */ SYSENT_CI("setsockopt",	setsockopt,	6),
751 	/* 247 */ SYSENT_CI("sockconfig",	sockconfig,	5),
752 	/* 248 */ SYSENT_CI("ntp_gettime",	ntp_gettime,	1),
753 	/* 249 */ SYSENT_CI("ntp_adjtime",	ntp_adjtime,	1),
754 	/* 250 */ SYSENT_CI("lwp_mutex_unlock",	lwp_mutex_unlock,	1),
755 	/* 251 */ SYSENT_CI("lwp_mutex_trylock", lwp_mutex_trylock,	2),
756 	/* 252 */ SYSENT_CI("lwp_mutex_register", lwp_mutex_register,	2),
757 	/* 253 */ SYSENT_CI("cladm",		cladm,		3),
758 	/* 254 */ SYSENT_CI("uucopy",		uucopy,		3),
759 	/* 255 */ SYSENT_CI("umount2",		umount2,	2)
760 };
761 
762 
763 #ifdef _SYSCALL32_IMPL
764 
765 extern int ulimit32(int, int);
766 extern ssize_t read32(int32_t, caddr32_t, size32_t);
767 extern ssize_t write32(int32_t, caddr32_t, size32_t);
768 extern ssize_t pread32(int32_t, caddr32_t, size32_t, off32_t);
769 extern ssize_t pwrite32(int32_t, caddr32_t, size32_t, off32_t);
770 extern ssize_t readv32(int32_t, caddr32_t, int32_t);
771 extern ssize_t writev32(int32_t, caddr32_t, int32_t);
772 extern ssize_t readlink32(caddr32_t, caddr32_t, size32_t);
773 extern ssize_t readlinkat32(int, caddr32_t, caddr32_t, size32_t);
774 extern int open32(char *, int, int);
775 extern int openat32(int, char *, int, int);
776 extern int stat32(char *, struct stat32 *);
777 extern int fstatat32(int, char *, struct stat32 *, int);
778 extern int lstat32(char *, struct stat32 *);
779 extern int fstat32(int, struct stat32 *);
780 extern int fstatat64_32(int, char *, struct stat64_32 *, int);
781 extern int stat64_32(char *, struct stat64_32 *);
782 extern int lstat64_32(char *, struct stat64_32 *);
783 extern int fstat64_32(int, struct stat64_32 *);
784 extern int getmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t *);
785 extern int putmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t *);
786 extern int getpmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t *,
787     int32_t *);
788 extern int putpmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t,
789     int32_t);
790 extern int getsetcontext32(int, void *);
791 extern int statvfs32(char *, struct statvfs32 *);
792 extern int fstatvfs32(int, struct statvfs32 *);
793 extern int statvfs64_32(char *, struct statvfs64_32 *);
794 extern int fstatvfs64_32(int, struct statvfs64_32 *);
795 extern int sigaction32(int, struct sigaction32 *, struct sigaction32 *);
796 extern clock32_t times32(struct tms32 *);
797 extern int stime32(time32_t);
798 extern int getpagesizes32(int, size32_t *, int);
799 extern int sigaltstack32(struct sigaltstack32 *, struct sigaltstack32 *);
800 extern int sigqueue32(pid_t, int, caddr32_t, int, int);
801 extern offset_t	llseek32(int32_t, uint32_t, uint32_t, int);
802 extern int waitsys32(idtype_t, id_t, siginfo_t *, int);
803 
804 extern ssize_t recv32(int32_t, caddr32_t, size32_t, int32_t);
805 extern ssize_t recvfrom32(int32_t, caddr32_t, size32_t, int32_t, caddr32_t,
806     caddr32_t);
807 extern ssize_t send32(int32_t, caddr32_t, size32_t, int32_t);
808 extern ssize_t sendto32(int32_t, caddr32_t, size32_t, int32_t, caddr32_t,
809     socklen_t);
810 
811 extern int privsys32(int, priv_op_t, priv_ptype_t, caddr32_t, size32_t, int);
812 extern int ucredsys32(int, int, caddr32_t);
813 
814 /*
815  * sysent table for ILP32 processes running on
816  * a LP64 kernel.
817  */
818 struct sysent sysent32[NSYSCALL] =
819 {
820 	/*  0 */ SYSENT_C("indir",		indir,		1),
821 	/*  1 */ SYSENT_CI("exit",		rexit,		1),
822 	/*  2 */ SYSENT_CI("psecflags",		psecflags,	3),
823 	/*  3 */ SYSENT_CI("read",		read32,		3),
824 	/*  4 */ SYSENT_CI("write",		write32,	3),
825 	/*  5 */ SYSENT_CI("open",		open32,		3),
826 	/*  6 */ SYSENT_CI("close",		close,		1),
827 	/*  7 */ SYSENT_CI("linkat",		linkat,		5),
828 	/*  8 */ SYSENT_LOADABLE32(),			/* (was creat32) */
829 	/*  9 */ SYSENT_CI("link",		link,		2),
830 	/* 10 */ SYSENT_CI("unlink",		unlink,		1),
831 	/* 11 */ SYSENT_CI("symlinkat",		symlinkat,	3),
832 	/* 12 */ SYSENT_CI("chdir",		chdir,		1),
833 	/* 13 */ SYSENT_CI("time",		gtime,		0),
834 	/* 14 */ SYSENT_CI("mknod",		mknod,		3),
835 	/* 15 */ SYSENT_CI("chmod",		chmod,		2),
836 	/* 16 */ SYSENT_CI("chown",		chown,		3),
837 	/* 17 */ SYSENT_CI("brk",		brk,		1),
838 	/* 18 */ SYSENT_CI("stat",		stat32,		2),
839 	/* 19 */ SYSENT_CI("lseek",		lseek32,	3),
840 	/* 20 */ SYSENT_2CI("getpid",		getpid,		0),
841 	/* 21 */ SYSENT_AP("mount",		mount,		8),
842 	/* 22 */ SYSENT_CI("readlinkat",	readlinkat32,	4),
843 	/* 23 */ SYSENT_CI("setuid",		setuid,		1),
844 	/* 24 */ SYSENT_2CI("getuid",		getuid,		0),
845 	/* 25 */ SYSENT_CI("stime",		stime32,	1),
846 	/* 26 */ SYSENT_CI("pcsample",		pcsample,	2),
847 	/* 27 */ SYSENT_CI("alarm",		alarm,		1),
848 	/* 28 */ SYSENT_CI("fstat",		fstat32,	2),
849 	/* 29 */ SYSENT_CI("pause",		pause,		0),
850 	/* 30 */ SYSENT_LOADABLE32(),			/* (was utime) */
851 	/* 31 */ SYSENT_CI("stty",		stty,		2),
852 	/* 32 */ SYSENT_CI("gtty",		gtty,		2),
853 	/* 33 */ SYSENT_CI("access",		access,		2),
854 	/* 34 */ SYSENT_CI("nice",		nice,		1),
855 	/* 35 */ SYSENT_CI("statfs",		statfs32,	4),
856 	/* 36 */ SYSENT_CI("sync",		syssync,	0),
857 	/* 37 */ SYSENT_CI("kill",		kill,		2),
858 	/* 38 */ SYSENT_CI("fstatfs",		fstatfs32,	4),
859 	/* 39 */ SYSENT_CI("setpgrp",		setpgrp,	3),
860 	/* 40 */ SYSENT_CI("uucopystr",		uucopystr,	3),
861 	/* 41 */ SYSENT_LOADABLE32(),			/* (was dup) */
862 	/* 42 */ SYSENT_LOADABLE32(),			/* pipe */
863 	/* 43 */ SYSENT_CI("times",		times32,	1),
864 	/* 44 */ SYSENT_CI("prof",		profil,		4),
865 	/* 45 */ SYSENT_CI("faccessat",		faccessat,	4),
866 	/* 46 */ SYSENT_CI("setgid",		setgid,		1),
867 	/* 47 */ SYSENT_2CI("getgid",		getgid,		0),
868 	/* 48 */ SYSENT_CI("mknodat",		mknodat,	4),
869 	/* 49 */ SYSENT_LOADABLE32(),			/* msgsys */
870 	/* 50 */ IF_386_ABI(
871 			SYSENT_CI("sysi86",	sysi86,		4),
872 			SYSENT_LOADABLE32()),		/* (was sys3b) */
873 	/* 51 */ SYSENT_LOADABLE32(),			/* sysacct */
874 	/* 52 */ SYSENT_LOADABLE32(),			/* shmsys */
875 	/* 53 */ SYSENT_LOADABLE32(),			/* semsys */
876 	/* 54 */ SYSENT_CI("ioctl",		ioctl,		3),
877 	/* 55 */ SYSENT_CI("uadmin",		uadmin,		3),
878 	/* 56 */ SYSENT_CI("fchownat",		fchownat,	5),
879 	/* 57 */ SYSENT_2CI("utssys",		utssys32,	4),
880 	/* 58 */ SYSENT_CI("fdsync",		fdsync,		2),
881 	/* 59 */ SYSENT_CI("exece",		exece,		3),
882 	/* 60 */ SYSENT_CI("umask",		umask,		1),
883 	/* 61 */ SYSENT_CI("chroot",		chroot,		1),
884 	/* 62 */ SYSENT_CI("fcntl",		fcntl,		3),
885 	/* 63 */ SYSENT_CI("ulimit",		ulimit32,	2),
886 	/* 64 */ SYSENT_CI("renameat",		renameat,	4),
887 	/* 65 */ SYSENT_CI("unlinkat",		unlinkat,	3),
888 	/* 66 */ SYSENT_CI("fstatat",		fstatat32,	4),
889 	/* 67 */ SYSENT_CI("fstatat64",		fstatat64_32,	4),
890 	/* 68 */ SYSENT_CI("openat",		openat32,	4),
891 	/* 69 */ SYSENT_CI("openat64",		openat64,	4),
892 	/* 70 */ SYSENT_CI("tasksys",		tasksys,	5),
893 	/* 71 */ SYSENT_LOADABLE32(),		/* acctctl */
894 	/* 72 */ SYSENT_LOADABLE32(),		/* exacct */
895 	/* 73 */ SYSENT_CI("getpagesizes",	getpagesizes32,	3),
896 	/* 74 */ SYSENT_CI("rctlsys",		rctlsys,	6),
897 	/* 75 */ SYSENT_2CI("sidsys",		sidsys,		4),
898 	/* 76 */ SYSENT_LOADABLE32(),			/* (was fsat) */
899 	/* 77 */ SYSENT_CI("lwp_park",		syslwp_park,	3),
900 	/* 78 */ SYSENT_CI("sendfilev",		sendfilev,	5),
901 	/* 79 */ SYSENT_CI("rmdir",		rmdir,		1),
902 	/* 80 */ SYSENT_CI("mkdir",		mkdir,		2),
903 	/* 81 */ SYSENT_CI("getdents",		getdents32,	3),
904 	/* 82 */ SYSENT_CI("privsys",		privsys32,	6),
905 	/* 83 */ SYSENT_CI("ucredsys",		ucredsys32,	3),
906 	/* 84 */ SYSENT_CI("sysfs",		sysfs,		3),
907 	/* 85 */ SYSENT_CI("getmsg",		getmsg32,	4),
908 	/* 86 */ SYSENT_CI("putmsg",		putmsg32,	4),
909 	/* 87 */ SYSENT_LOADABLE32(),			/* (was poll) */
910 	/* 88 */ SYSENT_CI("lstat",		lstat32,	2),
911 	/* 89 */ SYSENT_CI("symlink",		symlink,	2),
912 	/* 90 */ SYSENT_CI("readlink",		readlink32,	3),
913 	/* 91 */ SYSENT_CI("setgroups",		setgroups,	2),
914 	/* 92 */ SYSENT_CI("getgroups",		getgroups,	2),
915 	/* 93 */ SYSENT_CI("fchmod",		fchmod,		2),
916 	/* 94 */ SYSENT_CI("fchown",		fchown,		3),
917 	/* 95 */ SYSENT_CI("sigprocmask",	sigprocmask,	3),
918 	/* 96 */ SYSENT_CI("sigsuspend",	sigsuspend,	1),
919 	/* 97 */ SYSENT_CI("sigaltstack",	sigaltstack32,	2),
920 	/* 98 */ SYSENT_CI("sigaction",		sigaction32,	3),
921 	/* 99 */ SYSENT_CI("sigpending",	sigpending,	2),
922 	/* 100 */ SYSENT_CI("getsetcontext",	getsetcontext32, 2),
923 	/* 101 */ SYSENT_CI("fchmodat",		fchmodat,	4),
924 	/* 102 */ SYSENT_CI("mkdirat",		mkdirat,	3),
925 	/* 103 */ SYSENT_CI("statvfs",		statvfs32,	2),
926 	/* 104 */ SYSENT_CI("fstatvfs",		fstatvfs32,	2),
927 	/* 105 */ SYSENT_CI("getloadavg",	getloadavg,	2),
928 	/* 106 */ SYSENT_LOADABLE32(),		/* nfssys */
929 	/* 107 */ SYSENT_CI("waitsys",		waitsys32,	4),
930 	/* 108 */ SYSENT_CI("sigsendset",	sigsendsys,	2),
931 	/* 109 */ IF_x86(
932 			SYSENT_AP("hrtsys",	hrtsys,		5),
933 			SYSENT_LOADABLE32()),
934 	/* 110 */ SYSENT_CI("utimesys",		utimesys,	5),
935 	/* 111 */ SYSENT_CI("sigresend",	sigresend,	3),
936 	/* 112 */ SYSENT_CI("priocntlsys",	priocntlsys,	5),
937 	/* 113 */ SYSENT_CI("pathconf",		pathconf,	2),
938 	/* 114 */ SYSENT_CI("mincore",		mincore,	3),
939 	/* 115 */ SYSENT_CI("mmap",		smmap32,	6),
940 	/* 116 */ SYSENT_CI("mprotect",		mprotect,	3),
941 	/* 117 */ SYSENT_CI("munmap",		munmap,		2),
942 	/* 118 */ SYSENT_CI("fpathconf",	fpathconf,	2),
943 	/* 119 */ SYSENT_2CI("vfork",		vfork,		0),
944 	/* 120 */ SYSENT_CI("fchdir",		fchdir,		1),
945 	/* 121 */ SYSENT_CI("readv",		readv32,	3),
946 	/* 122 */ SYSENT_CI("writev",		writev32,	3),
947 	/* 123 */ SYSENT_CI("preadv",		preadv,		5),
948 	/* 124 */ SYSENT_CI("pwritev",		pwritev,	5),
949 	/* 125 */ SYSENT_CI("upanic",		upanic,		2),
950 	/* 126 */ SYSENT_CI("getrandom",	getrandom,	3),
951 	/* 127 */ SYSENT_CI("mmapobj",		mmapobjsys,	5),
952 	/* 128 */ SYSENT_CI("setrlimit",	setrlimit32,	2),
953 	/* 129 */ SYSENT_CI("getrlimit",	getrlimit32,	2),
954 	/* 130 */ SYSENT_CI("lchown",		lchown,		3),
955 	/* 131 */ SYSENT_CI("memcntl",		memcntl,	6),
956 	/* 132 */ SYSENT_CI("getpmsg",		getpmsg32,	5),
957 	/* 133 */ SYSENT_CI("putpmsg",		putpmsg32,	5),
958 	/* 134 */ SYSENT_CI("rename",		rename,		2),
959 	/* 135 */ SYSENT_CI("uname",		uname,		1),
960 	/* 136 */ SYSENT_CI("setegid",		setegid,	1),
961 	/* 137 */ SYSENT_CI("sysconfig",	sysconfig,	1),
962 	/* 138 */ SYSENT_CI("adjtime",		adjtime,	2),
963 	/* 139 */ SYSENT_CI("systeminfo",	systeminfo,	3),
964 	/* 140 */ SYSENT_LOADABLE32(),		/* sharefs */
965 	/* 141 */ SYSENT_CI("seteuid",		seteuid,	1),
966 	/* 142 */ SYSENT_2CI("forksys",		forksys,	2),
967 	/* 143 */ SYSENT_LOADABLE32(),			/* (was fork1) */
968 	/* 144 */ SYSENT_CI("sigtimedwait",	sigtimedwait,	3),
969 	/* 145 */ SYSENT_CI("lwp_info",		lwp_info,	1),
970 	/* 146 */ SYSENT_CI("yield",		yield,		0),
971 	/* 147 */ SYSENT_LOADABLE32(),		    /* (was lwp_sema_wait) */
972 	/* 148 */ SYSENT_CI("lwp_sema_post",	lwp_sema_post,	1),
973 	/* 149 */ SYSENT_CI("lwp_sema_trywait",	lwp_sema_trywait, 1),
974 	/* 150 */ SYSENT_CI("lwp_detach",	lwp_detach,	1),
975 	/* 151 */ SYSENT_CI("corectl",		corectl,	4),
976 	/* 152 */ SYSENT_CI("modctl",		modctl,		6),
977 	/* 153 */ SYSENT_CI("fchroot",		fchroot,	1),
978 	/* 154 */ SYSENT_LOADABLE32(),			/* (was utimes) */
979 	/* 155 */ SYSENT_CI("vhangup",		vhangup,	0),
980 	/* 156 */ SYSENT_CI("gettimeofday",	gettimeofday,	1),
981 	/* 157 */ SYSENT_CI("getitimer",	getitimer,	2),
982 	/* 158 */ SYSENT_CI("setitimer",	setitimer,	3),
983 	/* 159 */ SYSENT_CI("lwp_create",	syslwp_create,	3),
984 	/* 160 */ SYSENT_CI("lwp_exit",		syslwp_exit,	0),
985 	/* 161 */ SYSENT_CI("lwp_suspend",	syslwp_suspend,	1),
986 	/* 162 */ SYSENT_CI("lwp_continue",	syslwp_continue, 1),
987 	/* 163 */ SYSENT_CI("lwp_kill",		lwp_kill,	2),
988 	/* 164 */ SYSENT_CI("lwp_self",		lwp_self,	0),
989 	/* 165 */ SYSENT_2CI("lwp_sigmask",	lwp_sigmask,	5),
990 	/* 166 */ IF_x86(
991 			SYSENT_CI("lwp_private", syslwp_private, 3),
992 			SYSENT_NOSYS()),
993 	/* 167 */ SYSENT_CI("lwp_wait",		lwp_wait,	2),
994 	/* 168 */ SYSENT_CI("lwp_mutex_wakeup",	lwp_mutex_wakeup,	2),
995 	/* 169 */ SYSENT_LOADABLE32(),		    /* (was lwp_mutex_lock) */
996 	/* 170 */ SYSENT_CI("lwp_cond_wait",	lwp_cond_wait,		4),
997 	/* 171 */ SYSENT_CI("lwp_cond_signal",	lwp_cond_signal,	1),
998 	/* 172 */ SYSENT_CI("lwp_cond_broadcast", lwp_cond_broadcast,	1),
999 	/* 173 */ SYSENT_CI("pread",		pread32,		4),
1000 	/* 174 */ SYSENT_CI("pwrite",		pwrite32,		4),
1001 	/* 175 */ SYSENT_C("llseek",		llseek32,	4),
1002 	/* 176 */ SYSENT_LOADABLE32(),		/* inst_sync */
1003 	/* 177 */ SYSENT_CI("brandsys",		brandsys,	6),
1004 	/* 178 */ SYSENT_LOADABLE32(),		/* kaio */
1005 	/* 179 */ SYSENT_LOADABLE32(),		/* cpc */
1006 	/* 180 */ SYSENT_CI("lgrpsys",		lgrpsys,	3),
1007 	/* 181 */ SYSENT_CI("rusagesys",	rusagesys,	5),
1008 	/* 182 */ SYSENT_LOADABLE32(),		/* portfs */
1009 	/* 183 */ SYSENT_CI("pollsys",		pollsys,	4),
1010 	/* 184 */ SYSENT_CI("labelsys",		labelsys,	5),
1011 	/* 185 */ SYSENT_CI("acl",		acl,		4),
1012 	/* 186 */ SYSENT_AP("auditsys",		auditsys,	6),
1013 	/* 187 */ SYSENT_CI("processor_bind",	processor_bind,	4),
1014 	/* 188 */ SYSENT_CI("processor_info",	processor_info,	2),
1015 	/* 189 */ SYSENT_CI("p_online",		p_online,	2),
1016 	/* 190 */ SYSENT_CI("sigqueue",		sigqueue32,	5),
1017 	/* 191 */ SYSENT_CI("clock_gettime",	clock_gettime,	2),
1018 	/* 192 */ SYSENT_CI("clock_settime",	clock_settime,	2),
1019 	/* 193 */ SYSENT_CI("clock_getres",	clock_getres,	2),
1020 	/* 194 */ SYSENT_CI("timer_create",	timer_create,	3),
1021 	/* 195 */ SYSENT_CI("timer_delete",	timer_delete,	1),
1022 	/* 196 */ SYSENT_CI("timer_settime",	timer_settime,	4),
1023 	/* 197 */ SYSENT_CI("timer_gettime",	timer_gettime,	2),
1024 	/* 198 */ SYSENT_CI("timer_getoverrun",	timer_getoverrun, 1),
1025 	/* 199 */ SYSENT_CI("nanosleep",	nanosleep,	2),
1026 	/* 200 */ SYSENT_CI("facl",		facl,		4),
1027 	/* 201 */ SYSENT_LOADABLE32(),		/* door */
1028 	/* 202 */ SYSENT_CI("setreuid",		setreuid,	2),
1029 	/* 203 */ SYSENT_CI("setregid",		setregid,	2),
1030 	/* 204 */ SYSENT_CI("install_utrap",	install_utrap,	3),
1031 	/* 205 */ SYSENT_CI("signotify",	signotify,	3),
1032 	/* 206 */ SYSENT_CI("schedctl",		schedctl,	0),
1033 	/* 207 */ SYSENT_LOADABLE32(),		/* pset */
1034 	/* 208 */ SYSENT_LOADABLE32(),
1035 	/* 209 */ SYSENT_CI("resolvepath",	resolvepath,	3),
1036 	/* 210 */ SYSENT_CI("lwp_mutex_timedlock", lwp_mutex_timedlock, 3),
1037 	/* 211 */ SYSENT_CI("lwp_sema_timedwait", lwp_sema_timedwait,	3),
1038 	/* 212 */ SYSENT_CI("lwp_rwlock_sys",	lwp_rwlock_sys,	3),
1039 	/*
1040 	 * Syscalls 213-225: 32-bit system call support for large files.
1041 	 */
1042 	/* 213 */ SYSENT_CI("getdents64",	getdents64,	3),
1043 	/* 214 */ SYSENT_AP("smmaplf32",	smmaplf32,	7),
1044 	/* 215 */ SYSENT_CI("stat64",		stat64_32,	2),
1045 	/* 216 */ SYSENT_CI("lstat64",		lstat64_32,	2),
1046 	/* 217 */ SYSENT_CI("fstat64",		fstat64_32,	2),
1047 	/* 218 */ SYSENT_CI("statvfs64",	statvfs64_32,	2),
1048 	/* 219 */ SYSENT_CI("fstatvfs64",	fstatvfs64_32,	2),
1049 	/* 220 */ SYSENT_CI("setrlimit64",	setrlimit64,	2),
1050 	/* 221 */ SYSENT_CI("getrlimit64",	getrlimit64,	2),
1051 	/* 222 */ SYSENT_CI("pread64",		pread64,	5),
1052 	/* 223 */ SYSENT_CI("pwrite64",		pwrite64,	5),
1053 	/* 224 */ SYSENT_LOADABLE32(),			/* (was creat64) */
1054 	/* 225 */ SYSENT_CI("open64",		open64,		3),
1055 	/* 226 */ SYSENT_LOADABLE32(),		/* rpcsys */
1056 	/* 227 */ SYSENT_CI("zone",		zone,		6),
1057 	/* 228 */ SYSENT_LOADABLE32(),		/* autofssys */
1058 	/* 229 */ SYSENT_CI("getcwd",		getcwd,		2),
1059 	/* 230 */ SYSENT_CI("so_socket",	so_socket,	5),
1060 	/* 231 */ SYSENT_CI("so_socketpair",	so_socketpair,	1),
1061 	/* 232 */ SYSENT_CI("bind",		bind,		4),
1062 	/* 233 */ SYSENT_CI("listen",		listen,		3),
1063 	/* 234 */ SYSENT_CI("accept",		accept,		5),
1064 	/* 235 */ SYSENT_CI("connect",		connect,	4),
1065 	/* 236 */ SYSENT_CI("shutdown",		shutdown,	3),
1066 	/* 237 */ SYSENT_CI("recv",		recv32,		4),
1067 	/* 238 */ SYSENT_CI("recvfrom",		recvfrom32,	6),
1068 	/* 239 */ SYSENT_CI("recvmsg",		recvmsg,	3),
1069 	/* 240 */ SYSENT_CI("send",		send32,		4),
1070 	/* 241 */ SYSENT_CI("sendmsg",		sendmsg,	3),
1071 	/* 242 */ SYSENT_CI("sendto",		sendto32,	6),
1072 	/* 243 */ SYSENT_CI("getpeername",	getpeername,	4),
1073 	/* 244 */ SYSENT_CI("getsockname",	getsockname,	4),
1074 	/* 245 */ SYSENT_CI("getsockopt",	getsockopt,	6),
1075 	/* 246 */ SYSENT_CI("setsockopt",	setsockopt,	6),
1076 	/* 247 */ SYSENT_CI("sockconfig",	sockconfig,	5),
1077 	/* 248 */ SYSENT_CI("ntp_gettime",	ntp_gettime,	1),
1078 	/* 249 */ SYSENT_CI("ntp_adjtime",	ntp_adjtime,	1),
1079 	/* 250 */ SYSENT_CI("lwp_mutex_unlock",	lwp_mutex_unlock,	1),
1080 	/* 251 */ SYSENT_CI("lwp_mutex_trylock", lwp_mutex_trylock,	2),
1081 	/* 252 */ SYSENT_CI("lwp_mutex_register", lwp_mutex_register,	2),
1082 	/* 253 */ SYSENT_CI("cladm",		cladm,		3),
1083 	/* 254 */ SYSENT_CI("uucopy",		uucopy,		3),
1084 	/* 255 */ SYSENT_CI("umount2",		umount2,	2)
1085 };
1086 #endif /* _SYSCALL32_IMPL */
1087 
1088 /*
1089  * Space allocated and initialized in init_syscallnames().
1090  */
1091 char **syscallnames;
1092 
1093 systrace_sysent_t *systrace_sysent;
1094 void (*systrace_probe)(dtrace_id_t, uintptr_t, uintptr_t,
1095     uintptr_t, uintptr_t, uintptr_t, uintptr_t);
1096 
1097 /*ARGSUSED*/
1098 void
systrace_stub(dtrace_id_t id,uintptr_t arg0,uintptr_t arg1,uintptr_t arg2,uintptr_t arg3,uintptr_t arg4,uintptr_t arg5)1099 systrace_stub(dtrace_id_t id, uintptr_t arg0, uintptr_t arg1,
1100     uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
1101 {}
1102 
1103 /*ARGSUSED*/
1104 int64_t
dtrace_systrace_syscall(uintptr_t arg0,uintptr_t arg1,uintptr_t arg2,uintptr_t arg3,uintptr_t arg4,uintptr_t arg5)1105 dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
1106     uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
1107 {
1108 	systrace_sysent_t *sy = &systrace_sysent[curthread->t_sysnum];
1109 	dtrace_id_t id;
1110 	int64_t rval;
1111 	proc_t *p;
1112 
1113 	if ((id = sy->stsy_entry) != DTRACE_IDNONE)
1114 		(*systrace_probe)(id, arg0, arg1, arg2, arg3, arg4, arg5);
1115 
1116 	/*
1117 	 * We want to explicitly allow DTrace consumers to stop a process
1118 	 * before it actually executes the meat of the syscall.
1119 	 */
1120 	p = ttoproc(curthread);
1121 	mutex_enter(&p->p_lock);
1122 	if (curthread->t_dtrace_stop && !curthread->t_lwp->lwp_nostop) {
1123 		curthread->t_dtrace_stop = 0;
1124 		stop(PR_REQUESTED, 0);
1125 	}
1126 	mutex_exit(&p->p_lock);
1127 
1128 	rval = (*sy->stsy_underlying)(arg0, arg1, arg2, arg3, arg4, arg5);
1129 
1130 	if (ttolwp(curthread)->lwp_errno != 0)
1131 		rval = -1;
1132 
1133 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
1134 		(*systrace_probe)(id, (uintptr_t)rval, (uintptr_t)rval,
1135 		    (uintptr_t)((int64_t)rval >> 32), 0, 0, 0);
1136 
1137 	return (rval);
1138 }
1139 
1140 #ifdef _SYSCALL32_IMPL
1141 
1142 systrace_sysent_t *systrace_sysent32;
1143 
1144 /*ARGSUSED*/
1145 int64_t
dtrace_systrace_syscall32(uintptr_t arg0,uintptr_t arg1,uintptr_t arg2,uintptr_t arg3,uintptr_t arg4,uintptr_t arg5)1146 dtrace_systrace_syscall32(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
1147     uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
1148 {
1149 	systrace_sysent_t *sy = &systrace_sysent32[curthread->t_sysnum];
1150 	dtrace_id_t id;
1151 	int64_t rval;
1152 	proc_t *p;
1153 
1154 	if ((id = sy->stsy_entry) != DTRACE_IDNONE)
1155 		(*systrace_probe)(id, arg0, arg1, arg2, arg3, arg4, arg5);
1156 
1157 	/*
1158 	 * We want to explicitly allow DTrace consumers to stop a process
1159 	 * before it actually executes the meat of the syscall.
1160 	 */
1161 	p = ttoproc(curthread);
1162 	mutex_enter(&p->p_lock);
1163 	if (curthread->t_dtrace_stop && !curthread->t_lwp->lwp_nostop) {
1164 		curthread->t_dtrace_stop = 0;
1165 		stop(PR_REQUESTED, 0);
1166 	}
1167 	mutex_exit(&p->p_lock);
1168 
1169 	rval = (*sy->stsy_underlying)(arg0, arg1, arg2, arg3, arg4, arg5);
1170 
1171 	if (ttolwp(curthread)->lwp_errno != 0)
1172 		rval = -1;
1173 
1174 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
1175 		(*systrace_probe)(id, (uintptr_t)rval, (uintptr_t)rval,
1176 		    (uintptr_t)((uint64_t)rval >> 32), 0, 0, 0);
1177 
1178 	return (rval);
1179 }
1180 
1181 #endif
1182 
1183 void
dtrace_systrace_rtt(void)1184 dtrace_systrace_rtt(void)
1185 {
1186 	systrace_sysent_t *sy;
1187 	dtrace_id_t id;
1188 
1189 	if (get_udatamodel() == DATAMODEL_NATIVE) {
1190 		if (systrace_sysent == NULL)
1191 			return;
1192 
1193 		sy = &systrace_sysent[curthread->t_sysnum];
1194 #ifdef _SYSCALL32_IMPL
1195 	} else {
1196 		if (systrace_sysent32 == NULL)
1197 			return;
1198 
1199 		sy = &systrace_sysent32[curthread->t_sysnum];
1200 #endif
1201 	}
1202 
1203 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
1204 		(*systrace_probe)(id, 0, 0, 0, 0, 0, 0);
1205 }
1206