xref: /illumos-gate/usr/src/uts/common/os/sysent.c (revision dc1b26915530081df6e78d0ada403a1b920a7b58)
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) 2015, Joyent, Inc.
27  */
28 
29 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
30 /*	  All Rights Reserved  	*/
31 
32 #include <sys/param.h>
33 #include <sys/types.h>
34 #include <sys/systm.h>
35 #include <sys/systrace.h>
36 #include <sys/procfs.h>
37 #include <sys/mman.h>
38 #include <sys/int_types.h>
39 #include <c2/audit.h>
40 #include <sys/stat.h>
41 #include <sys/times.h>
42 #include <sys/statfs.h>
43 #include <sys/stropts.h>
44 #include <sys/statvfs.h>
45 #include <sys/utsname.h>
46 #include <sys/timex.h>
47 #include <sys/socket.h>
48 #include <sys/sendfile.h>
49 
50 struct hrtsysa;
51 struct mmaplf32a;
52 
53 /*
54  * This table is the switch used to transfer to the appropriate
55  * routine for processing a system call.  Each row contains the
56  * number of arguments expected, a switch that tells systrap()
57  * in trap.c whether a setjmp() is not necessary, and a pointer
58  * to the routine.
59  */
60 
61 int	access(char *, int);
62 int	alarm(int);
63 int	auditsys(struct auditcalls *, rval_t *);
64 int64_t	brandsys(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
65     uintptr_t);
66 intptr_t	brk(caddr_t);
67 int	chdir(char *);
68 int	chmod(char *, int);
69 int	chown(char *, uid_t, gid_t);
70 int	chroot(char *);
71 int	cladm(int, int, void *);
72 int	close(int);
73 int	exece(const char *, const char **, const char **);
74 int	faccessat(int, char *, int, int);
75 int	fchmodat(int, char *, int, int);
76 int	fchownat(int, char *, uid_t, gid_t, int);
77 int	fcntl(int, int, intptr_t);
78 int64_t	vfork();
79 int64_t	forksys(int, int);
80 int	fstat(int, struct stat *);
81 int	fdsync(int, int);
82 int64_t	getgid();
83 int	ucredsys(int, int, void *);
84 int64_t	getpid();
85 int64_t	getuid();
86 time_t	gtime();
87 int	getloadavg(int *, int);
88 int	rusagesys(int, void *, void *, void *, void *);
89 int	getpagesizes(int, size_t *, int);
90 int	gtty(int, intptr_t);
91 #if defined(__i386) || defined(__amd64)
92 int	hrtsys(struct hrtsysa *, rval_t *);
93 #endif /* __i386 || __amd64 */
94 int	ioctl(int, int, intptr_t);
95 int	kill();
96 int	labelsys(int, void *, void *, void *, void *, void *);
97 int	link(char *, char *);
98 int	linkat(int, char *, int, char *, int);
99 off32_t	lseek32(int32_t, off32_t, int32_t);
100 off_t	lseek64(int, off_t, int);
101 int	lgrpsys(int, long, void *);
102 int	mmapobjsys(int, uint_t, mmapobj_result_t *, uint_t *, void *);
103 int	mknod(char *, mode_t, dev_t);
104 int	mknodat(int, char *, mode_t, dev_t);
105 int	mount(long *, rval_t *);
106 int	nice(int);
107 int	nullsys();
108 int	open(char *, int, int);
109 int	openat(int, char *, int, int);
110 int	pause();
111 long	pcsample(void *, long);
112 int	privsys(int, priv_op_t, priv_ptype_t, void *, size_t, int);
113 int	profil(unsigned short *, size_t, ulong_t, uint_t);
114 ssize_t	pread(int, void *, size_t, off_t);
115 int	psecflags(procset_t *, psecflagwhich_t, secflagdelta_t *);
116 ssize_t	pwrite(int, void *, size_t, off_t);
117 ssize_t	read(int, void *, size_t);
118 int	rename(char *, char *);
119 int	renameat(int, char *, int, char *);
120 void	rexit(int);
121 int	semsys();
122 int	setgid(gid_t);
123 int	setpgrp(int, int, int);
124 int	setuid(uid_t);
125 uintptr_t	shmsys();
126 uint64_t	sidsys(int, int, int, int);
127 int	sigprocmask(int, sigset_t *, sigset_t *);
128 int	sigsuspend(sigset_t);
129 int	sigaltstack(struct sigaltstack *, struct sigaltstack *);
130 int	sigaction(int, struct sigaction *, struct sigaction *);
131 int	sigpending(int, sigset_t *);
132 int	sigresend(int, siginfo_t *, sigset_t *);
133 int	sigtimedwait(sigset_t *, siginfo_t *, timespec_t *);
134 int	getsetcontext(int, void *);
135 int	stat(char *, struct stat *);
136 int	fstatat(int, char *, struct stat *, int);
137 int	stime(time_t);
138 int	stty(int, intptr_t);
139 int	syssync();
140 int	sysacct(char *);
141 clock_t	times(struct tms *);
142 long	ulimit(int, long);
143 int	getrlimit32(int, struct rlimit32 *);
144 int	setrlimit32(int, struct rlimit32 *);
145 int	umask(int);
146 int	umount2(char *, int);
147 int	unlink(char *);
148 int	unlinkat(int, char *, int);
149 int	utimesys(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
150 int64_t	utssys32(void *, int, int, void *);
151 int64_t	utssys64(void *, long, int, void *);
152 int	uucopy(const void *, void *, size_t);
153 ssize_t	uucopystr(const char *, char *, size_t);
154 ssize_t	write(int, void *, size_t);
155 ssize_t	readv(int, struct iovec *, int);
156 ssize_t	writev(int, struct iovec *, int);
157 ssize_t	preadv(int, struct iovec *, int, off_t, off_t);
158 ssize_t	pwritev(int, struct iovec *, int, off_t, off_t);
159 int	syslwp_park(int, uintptr_t, uintptr_t);
160 int	rmdir(char *);
161 int	mkdir(char *, int);
162 int	mkdirat(int, char *, int);
163 int	getdents32(int, void *, size_t);
164 int	statfs32(char *, struct statfs32 *, int32_t, int32_t);
165 int	fstatfs32(int32_t, struct statfs32 *, int32_t, int32_t);
166 int	sysfs(int, long, long);
167 int	getmsg(int, struct strbuf *, struct strbuf *, int *);
168 int	pollsys(pollfd_t *, nfds_t, timespec_t *, sigset_t *);
169 int	putmsg(int, struct strbuf *, struct strbuf *, int);
170 int	uadmin();
171 int	lstat(char *, struct stat *);
172 int	symlink(char *, char *);
173 int	symlinkat(char *, int, char *);
174 ssize_t	readlink(char *, char *, size_t);
175 ssize_t	readlinkat(int, char *, char *, size_t);
176 int	resolvepath(char *, char *, size_t);
177 int	setgroups(int, gid_t *);
178 int	getgroups(int, gid_t *);
179 int	fchdir(int);
180 int	fchown(int, uid_t, uid_t);
181 int	fchmod(int, int);
182 int	getcwd(char *, size_t);
183 int	statvfs(char *, struct statvfs *);
184 int	fstatvfs(int, struct statvfs *);
185 offset_t llseek32(int32_t, uint32_t, uint32_t, int);
186 
187 #if (defined(__i386) && !defined(__amd64)) || defined(__i386_COMPAT)
188 int	sysi86(short, uintptr_t, uintptr_t, uintptr_t);
189 #endif
190 
191 int	acl(const char *, int, int, void *);
192 int	facl(int, int, int, void *);
193 long	priocntlsys(int, procset_t *, int, caddr_t, caddr_t);
194 int	waitsys(idtype_t, id_t, siginfo_t *, int);
195 int	sigsendsys(procset_t *, int);
196 int	mincore(caddr_t, size_t, char *);
197 caddr_t	smmap64(caddr_t, size_t, int, int, int, off_t);
198 caddr_t smmap32(caddr32_t, size32_t, int, int, int, off32_t);
199 int	smmaplf32(struct mmaplf32a *, rval_t *);
200 int	mprotect(caddr_t, size_t, int);
201 int	munmap(caddr_t, size_t);
202 int	uname(struct utsname *);
203 int	lchown(char *, uid_t, gid_t);
204 int	getpmsg(int, struct strbuf *, struct strbuf *, int *, int *);
205 int	putpmsg(int, struct strbuf *, struct strbuf *, int, int);
206 int	memcntl(caddr_t, size_t, int, caddr_t, int, int);
207 long	sysconfig(int);
208 int	adjtime(struct timeval *, struct timeval *);
209 long	systeminfo(int, char *, long);
210 int	setegid(gid_t);
211 int	seteuid(uid_t);
212 
213 int	setreuid(uid_t, uid_t);
214 int	setregid(gid_t, gid_t);
215 int	install_utrap(utrap_entry_t type, utrap_handler_t, utrap_handler_t *);
216 #ifdef __sparc
217 int	sparc_utrap_install(utrap_entry_t type, utrap_handler_t,
218     utrap_handler_t, utrap_handler_t *, utrap_handler_t *);
219 #endif
220 
221 int	syslwp_create(ucontext_t *, int, id_t *);
222 void	syslwp_exit();
223 int	syslwp_suspend(id_t);
224 int	syslwp_continue(id_t);
225 int	syslwp_private(int, int, uintptr_t);
226 int	lwp_detach(id_t);
227 int	lwp_info(timestruc_t *);
228 int	lwp_kill(id_t, int);
229 int	lwp_self();
230 int64_t	lwp_sigmask(int, uint_t, uint_t, uint_t, uint_t);
231 int	yield();
232 int	lwp_wait(id_t, id_t *);
233 int	lwp_mutex_timedlock(lwp_mutex_t *, timespec_t *, uintptr_t);
234 int	lwp_mutex_wakeup(lwp_mutex_t *, int);
235 int	lwp_mutex_unlock(lwp_mutex_t *);
236 int	lwp_mutex_trylock(lwp_mutex_t *, uintptr_t);
237 int	lwp_mutex_register(lwp_mutex_t *, caddr_t);
238 int	lwp_rwlock_sys(int, lwp_rwlock_t *, timespec_t *);
239 int	lwp_sema_post(lwp_sema_t *);
240 int	lwp_sema_timedwait(lwp_sema_t *, timespec_t *, int);
241 int	lwp_sema_trywait(lwp_sema_t *);
242 int	lwp_cond_wait(lwp_cond_t *, lwp_mutex_t *, timespec_t *, int);
243 int	lwp_cond_signal(lwp_cond_t *);
244 int	lwp_cond_broadcast(lwp_cond_t *);
245 caddr_t	schedctl();
246 
247 long	pathconf(char *, int);
248 long	fpathconf(int, int);
249 int	processor_bind(idtype_t, id_t, processorid_t, processorid_t *);
250 int	processor_info(processorid_t, processor_info_t *);
251 int	p_online(processorid_t, int);
252 
253 /*
254  *	POSIX .4 system calls *
255  */
256 int	clock_gettime(clockid_t, timespec_t *);
257 int	clock_settime(clockid_t, timespec_t *);
258 int	clock_getres(clockid_t, timespec_t *);
259 int	timer_create(clockid_t, struct sigevent *, timer_t *);
260 int	timer_delete(timer_t);
261 int	timer_settime(timer_t, int, itimerspec_t *, itimerspec_t *);
262 int	timer_gettime(timer_t, itimerspec_t *);
263 int	timer_getoverrun(timer_t);
264 int	nanosleep(timespec_t *, timespec_t *);
265 int	sigqueue(pid_t, int, void *, int, int);
266 int	signotify(int, siginfo_t *, signotify_id_t *);
267 
268 int	getdents64(int, void *, size_t);
269 int	stat64(char *, struct stat64 *);
270 int	lstat64(char *, struct stat64 *);
271 int	fstatat64(int, char *, struct stat64 *, int);
272 int	fstat64(int, struct stat64 *);
273 int	statvfs64(char *, struct statvfs64 *);
274 int	fstatvfs64(int, struct statvfs64 *);
275 int	setrlimit64(int, struct rlimit64 *);
276 int	getrlimit64(int, struct rlimit64 *);
277 int	pread64(int, void *, size32_t, uint32_t, uint32_t);
278 int	pwrite64(int, void *, size32_t, uint32_t, uint32_t);
279 int	open64(char *, int, int);
280 int	openat64(int, char *, int, int);
281 
282 /*
283  * NTP syscalls
284  */
285 
286 int ntp_gettime(struct ntptimeval *);
287 int ntp_adjtime(struct timex *);
288 
289 /*
290  *	++++++++++++++++++++++++
291  *	++  SunOS4.1 Buyback  ++
292  *	++++++++++++++++++++++++
293  *
294  *	fchroot, vhangup, gettimeofday
295  */
296 
297 int	fchroot(int);
298 int	vhangup();
299 int	gettimeofday(struct timeval *);
300 int	getitimer(uint_t, struct itimerval *);
301 int	setitimer(uint_t, struct itimerval *, struct itimerval *);
302 
303 int	corectl(int, uintptr_t, uintptr_t, uintptr_t);
304 int	modctl(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
305 int64_t loadable_syscall();
306 int64_t indir();
307 
308 long	tasksys(int, projid_t, uint_t, void *, size_t);
309 long	rctlsys(int, char *, void *, void *, size_t, int);
310 
311 long	zone();
312 
313 int	so_socket(int, int, int, char *, int);
314 int	so_socketpair(int[2]);
315 int	bind(int, struct sockaddr *, socklen_t, int);
316 int	listen(int, int, int);
317 int	accept(int, struct sockaddr *, socklen_t *, int, int);
318 int	connect(int, struct sockaddr *, socklen_t, int);
319 int	shutdown(int, int, int);
320 ssize_t	recv(int, void *, size_t, int);
321 ssize_t	recvfrom(int, void *, size_t, int, struct sockaddr *, socklen_t *);
322 ssize_t	recvmsg(int, struct nmsghdr *, int);
323 ssize_t	send(int, void *, size_t, int);
324 ssize_t	sendmsg(int, struct nmsghdr *, int);
325 ssize_t	sendto(int, void *, size_t, int, struct sockaddr *, socklen_t);
326 int	getpeername(int, struct sockaddr *, socklen_t *, int);
327 int	getsockname(int, struct sockaddr *, socklen_t *, int);
328 int	getsockopt(int, int, int, void *, socklen_t *, int);
329 int	setsockopt(int, int, int, void *, socklen_t *, int);
330 int	sockconfig(int, void *, void *, void *, void *);
331 ssize_t	sendfilev(int, int, const struct sendfilevec *, int, size_t *);
332 int	getrandom(void *, size_t, int);
333 
334 typedef int64_t	(*llfcn_t)();	/* for casting one-word returns */
335 
336 /*
337  * Sysent initialization macros.
338  * 	These take the name string of the system call even though that isn't
339  *	currently used in the sysent entry.  This might be useful someday.
340  *
341  * Initialization macro for system calls which take their args in the C style.
342  * These system calls return the longlong_t return value and must call
343  * set_errno() to return an error.  For SPARC, narg must be at most six.
344  * For more args, use the SYSENT_AP() routine.
345  *
346  * We are able to return two distinct values to userland via the rval_t.
347  * At this time, that corresponds to one 64-bit quantity, or two 32-bit
348  * quantities.  The kernel does not currently need to return two 64-bit
349  * values, or one 128 bit value(!), but we may do one day, so the calling
350  * sequence between userland and the kernel should permit it.
351  *
352  * The interpretation of rval_t is provided by the sy_flags field
353  * which is used to determine how to arrange the results in registers
354  * (or on the stack) for return userland.
355  */
356 	/* returns a 64-bit quantity for both ABIs */
357 #define	SYSENT_C(name, call, narg)	\
358 	{ (narg), SE_64RVAL, NULL, NULL, (llfcn_t)(call) }
359 
360 	/* returns one 32-bit value for both ABIs: r_val1 */
361 #define	SYSENT_CI(name, call, narg)	\
362 	{ (narg), SE_32RVAL1, NULL, NULL, (llfcn_t)(call) }
363 
364 	/* returns 2 32-bit values: r_val1 & r_val2 */
365 #define	SYSENT_2CI(name, call, narg)	\
366 	{ (narg), SE_32RVAL1|SE_32RVAL2, NULL, NULL, (llfcn_t)(call) }
367 
368 /*
369  * Initialization macro for system calls which take their args in the standard
370  * Unix style of a pointer to the arg structure and a pointer to the rval_t.
371  *
372  * Deprecated wherever possible (slower on some architectures, and trickier
373  * to maintain two flavours).
374  */
375 #define	SYSENT_AP(name, call, narg)	\
376 	{ (narg), SE_64RVAL, (call), NULL, syscall_ap }
377 
378 /*
379  * Conditional constructors to build the tables without #ifdef clutter
380  */
381 #if defined(_LP64)
382 #define	IF_LP64(true, false)	true
383 #else
384 #define	IF_LP64(true, false)	false
385 #endif
386 
387 #if defined(__sparc)
388 #define	IF_sparc(true, false)	true
389 #else
390 #define	IF_sparc(true, false)	false
391 #endif
392 
393 #if defined(__i386) && !defined(__amd64)
394 #define	IF_i386(true, false)	true
395 #else
396 #define	IF_i386(true, false)	false
397 #endif
398 
399 #if defined(__i386) || defined(__amd64)
400 #define	IF_x86(true, false)	true
401 #else
402 #define	IF_x86(true, false)	false
403 #endif
404 
405 #if (defined(__i386) && !defined(__amd64)) || defined(__i386_COMPAT)
406 #define	IF_386_ABI(true, false)	true
407 #else
408 #define	IF_386_ABI(true, false)	false
409 #endif
410 
411 /*
412  * Define system calls that return a native 'long' quantity i.e. a 32-bit
413  * or 64-bit integer - depending on how the kernel is itself compiled
414  * e.g. read(2) returns 'ssize_t' in the kernel and in userland.
415  */
416 #define	SYSENT_CL(name, call, narg)	\
417 	IF_LP64(SYSENT_C(name, call, narg), SYSENT_CI(name, call, narg))
418 
419 /*
420  * Initialization macro for loadable native system calls.
421  */
422 #define	SYSENT_LOADABLE()	\
423 	{ 0, SE_LOADABLE, (int (*)())nosys, NULL, loadable_syscall }
424 
425 /*
426  * Initialization macro for loadable 32-bit compatibility system calls.
427  */
428 #define	SYSENT_LOADABLE32()	SYSENT_LOADABLE()
429 
430 #define	SYSENT_NOSYS()		SYSENT_C("nosys", nosys, 0)
431 
432 struct sysent nosys_ent = SYSENT_NOSYS();
433 
434 /*
435  * Native sysent table.
436  */
437 struct sysent sysent[NSYSCALL] =
438 {
439 	/*  0 */ IF_LP64(
440 			SYSENT_NOSYS(),
441 			SYSENT_C("indir",	indir,		1)),
442 	/*  1 */ SYSENT_CI("exit",		rexit,		1),
443 	/*  2 */ SYSENT_CI("psecflags",		psecflags,	3),
444 	/*  3 */ SYSENT_CL("read",		read,		3),
445 	/*  4 */ SYSENT_CL("write",		write,		3),
446 	/*  5 */ SYSENT_CI("open",		open,		3),
447 	/*  6 */ SYSENT_CI("close",		close,		1),
448 	/*  7 */ SYSENT_CI("linkat",		linkat,		5),
449 	/*  8 */ SYSENT_LOADABLE(),			/* (was creat) */
450 	/*  9 */ SYSENT_CI("link",		link,		2),
451 	/* 10 */ SYSENT_CI("unlink",		unlink,		1),
452 	/* 11 */ SYSENT_CI("symlinkat",		symlinkat,	3),
453 	/* 12 */ SYSENT_CI("chdir",		chdir,		1),
454 	/* 13 */ SYSENT_CL("time",		gtime,		0),
455 	/* 14 */ SYSENT_CI("mknod",		mknod,		3),
456 	/* 15 */ SYSENT_CI("chmod",		chmod,		2),
457 	/* 16 */ SYSENT_CI("chown",		chown,		3),
458 	/* 17 */ SYSENT_CI("brk",		brk,		1),
459 	/* 18 */ SYSENT_CI("stat",		stat,		2),
460 	/* 19 */ IF_LP64(
461 			SYSENT_CL("lseek",	lseek64,	3),
462 			SYSENT_CL("lseek",	lseek32,	3)),
463 	/* 20 */ SYSENT_2CI("getpid",		getpid,		0),
464 	/* 21 */ SYSENT_AP("mount",		mount,		8),
465 	/* 22 */ SYSENT_CL("readlinkat",	readlinkat,	4),
466 	/* 23 */ SYSENT_CI("setuid",		setuid,		1),
467 	/* 24 */ SYSENT_2CI("getuid",		getuid,		0),
468 	/* 25 */ SYSENT_CI("stime",		stime,		1),
469 	/* 26 */ SYSENT_CL("pcsample",		pcsample,	2),
470 	/* 27 */ SYSENT_CI("alarm",		alarm,		1),
471 	/* 28 */ SYSENT_CI("fstat",		fstat,		2),
472 	/* 29 */ SYSENT_CI("pause",		pause,		0),
473 	/* 30 */ SYSENT_LOADABLE(),			/* (was utime) */
474 	/* 31 */ SYSENT_CI("stty",		stty,		2),
475 	/* 32 */ SYSENT_CI("gtty",		gtty,		2),
476 	/* 33 */ SYSENT_CI("access",		access,		2),
477 	/* 34 */ SYSENT_CI("nice",		nice,		1),
478 	/* 35 */ IF_LP64(
479 			SYSENT_NOSYS(),
480 			SYSENT_CI("statfs",	statfs32,	4)),
481 	/* 36 */ SYSENT_CI("sync",		syssync,	0),
482 	/* 37 */ SYSENT_CI("kill",		kill,		2),
483 	/* 38 */ IF_LP64(
484 			SYSENT_NOSYS(),
485 			SYSENT_CI("fstatfs",	fstatfs32,	4)),
486 	/* 39 */ SYSENT_CI("setpgrp",		setpgrp,	3),
487 	/* 40 */ SYSENT_CI("uucopystr",		uucopystr,	3),
488 	/* 41 */ SYSENT_LOADABLE(),			/* (was dup) */
489 	/* 42 */ SYSENT_LOADABLE(),			/* pipe */
490 	/* 43 */ SYSENT_CL("times",		times,		1),
491 	/* 44 */ SYSENT_CI("prof",		profil,		4),
492 	/* 45 */ SYSENT_CI("faccessat",		faccessat,	4),
493 	/* 46 */ SYSENT_CI("setgid",		setgid,		1),
494 	/* 47 */ SYSENT_2CI("getgid",		getgid,		0),
495 	/* 48 */ SYSENT_CI("mknodat",		mknodat,	4),
496 	/* 49 */ SYSENT_LOADABLE(),			/* msgsys */
497 	/* 50 */ IF_x86(
498 			SYSENT_CI("sysi86",	sysi86,		4),
499 			SYSENT_LOADABLE()),		/* (was sys3b) */
500 	/* 51 */ SYSENT_LOADABLE(),			/* sysacct */
501 	/* 52 */ SYSENT_LOADABLE(),			/* shmsys */
502 	/* 53 */ SYSENT_LOADABLE(),			/* semsys */
503 	/* 54 */ SYSENT_CI("ioctl",		ioctl,		3),
504 	/* 55 */ SYSENT_CI("uadmin",		uadmin,		3),
505 	/* 56 */ SYSENT_CI("fchownat",		fchownat,	5),
506 	/* 57 */ IF_LP64(
507 			SYSENT_2CI("utssys",	utssys64,	4),
508 			SYSENT_2CI("utssys",	utssys32,	4)),
509 	/* 58 */ SYSENT_CI("fdsync",		fdsync,		2),
510 	/* 59 */ SYSENT_CI("exece",		exece,		3),
511 	/* 60 */ SYSENT_CI("umask",		umask,		1),
512 	/* 61 */ SYSENT_CI("chroot",		chroot,		1),
513 	/* 62 */ SYSENT_CI("fcntl",		fcntl,		3),
514 	/* 63 */ SYSENT_CI("ulimit",		ulimit,		2),
515 	/* 64 */ SYSENT_CI("renameat",		renameat,	4),
516 	/* 65 */ SYSENT_CI("unlinkat",		unlinkat,	3),
517 	/* 66 */ SYSENT_CI("fstatat",		fstatat,	4),
518 	/* 67 */ IF_LP64(
519 			SYSENT_NOSYS(),
520 			SYSENT_CI("fstatat64",	fstatat64, 	4)),
521 	/* 68 */ SYSENT_CI("openat",		openat,		4),
522 	/* 69 */ IF_LP64(
523 			SYSENT_NOSYS(),
524 			SYSENT_CI("openat64",	openat64,	4)),
525 	/* 70 */ SYSENT_CI("tasksys",		tasksys,	5),
526 	/* 71 */ SYSENT_LOADABLE(),		/* acctctl */
527 	/* 72 */ SYSENT_LOADABLE(),		/* exacct */
528 	/* 73 */ SYSENT_CI("getpagesizes",	getpagesizes,	3),
529 	/* 74 */ SYSENT_CI("rctlsys",		rctlsys,	6),
530 	/* 75 */ SYSENT_2CI("sidsys",		sidsys,		4),
531 	/* 76 */ SYSENT_LOADABLE(),			/* (was fsat) */
532 	/* 77 */ SYSENT_CI("lwp_park",		syslwp_park,	3),
533 	/* 78 */ SYSENT_CL("sendfilev",		sendfilev,	5),
534 	/* 79 */ SYSENT_CI("rmdir",		rmdir,		1),
535 	/* 80 */ SYSENT_CI("mkdir",		mkdir,		2),
536 	/* 81 */ IF_LP64(
537 			SYSENT_CI("getdents",	getdents64,	3),
538 			SYSENT_CI("getdents",	getdents32,	3)),
539 	/* 82 */ SYSENT_CI("privsys",		privsys,	6),
540 	/* 83 */ SYSENT_CI("ucredsys",		ucredsys,	3),
541 	/* 84 */ SYSENT_CI("sysfs",		sysfs,		3),
542 	/* 85 */ SYSENT_CI("getmsg",		getmsg,		4),
543 	/* 86 */ SYSENT_CI("putmsg",		putmsg,		4),
544 	/* 87 */ SYSENT_LOADABLE(),			/* (was poll) */
545 	/* 88 */ SYSENT_CI("lstat",		lstat,		2),
546 	/* 89 */ SYSENT_CI("symlink",		symlink,	2),
547 	/* 90 */ SYSENT_CL("readlink",		readlink,	3),
548 	/* 91 */ SYSENT_CI("setgroups",		setgroups,	2),
549 	/* 92 */ SYSENT_CI("getgroups",		getgroups,	2),
550 	/* 93 */ SYSENT_CI("fchmod",		fchmod,		2),
551 	/* 94 */ SYSENT_CI("fchown",		fchown,		3),
552 	/* 95 */ SYSENT_CI("sigprocmask",	sigprocmask,	3),
553 	/* 96 */ SYSENT_CI("sigsuspend",	sigsuspend,	1),
554 	/* 97 */ SYSENT_CI("sigaltstack",	sigaltstack,	2),
555 	/* 98 */ SYSENT_CI("sigaction",		sigaction,	3),
556 	/* 99 */ SYSENT_CI("sigpending",	sigpending,	2),
557 	/* 100 */ SYSENT_CI("getsetcontext",	getsetcontext,	2),
558 	/* 101 */ SYSENT_CI("fchmodat",		fchmodat,	4),
559 	/* 102 */ SYSENT_CI("mkdirat",		mkdirat,	3),
560 	/* 103 */ SYSENT_CI("statvfs",		statvfs,	2),
561 	/* 104 */ SYSENT_CI("fstatvfs",		fstatvfs,	2),
562 	/* 105 */ SYSENT_CI("getloadavg",	getloadavg,	2),
563 	/* 106 */ SYSENT_LOADABLE(),		/* nfssys */
564 	/* 107 */ SYSENT_CI("waitsys",		waitsys,	4),
565 	/* 108 */ SYSENT_CI("sigsendset",	sigsendsys,	2),
566 	/* 109 */ IF_x86(
567 			SYSENT_AP("hrtsys",	hrtsys,		5),
568 			SYSENT_LOADABLE()),
569 	/* 110 */ SYSENT_CI("utimesys",		utimesys,	5),
570 	/* 111 */ SYSENT_CI("sigresend",	sigresend,	3),
571 	/* 112 */ SYSENT_CL("priocntlsys",	priocntlsys,	5),
572 	/* 113 */ SYSENT_CL("pathconf",		pathconf,	2),
573 	/* 114 */ SYSENT_CI("mincore",		mincore,	3),
574 	/* 115 */ IF_LP64(
575 			SYSENT_CL("mmap",	smmap64,	6),
576 			SYSENT_CL("mmap",	smmap32,	6)),
577 	/* 116 */ SYSENT_CI("mprotect",		mprotect,	3),
578 	/* 117 */ SYSENT_CI("munmap",		munmap,		2),
579 	/* 118 */ SYSENT_CL("fpathconf",	fpathconf,	2),
580 	/* 119 */ SYSENT_2CI("vfork",		vfork,		0),
581 	/* 120 */ SYSENT_CI("fchdir",		fchdir,		1),
582 	/* 121 */ SYSENT_CL("readv",		readv,		3),
583 	/* 122 */ SYSENT_CL("writev",		writev,		3),
584 	/* 123 */ SYSENT_CL("preadv",		preadv,		5),
585 	/* 124 */ SYSENT_CL("pwritev",		pwritev,	5),
586 	/* 125 */ SYSENT_LOADABLE(),			/* (was fxstat) */
587 	/* 126 */ SYSENT_CI("getrandom",	getrandom,	3),
588 	/* 127 */ SYSENT_CI("mmapobj",		mmapobjsys,	5),
589 	/* 128 */ IF_LP64(
590 			SYSENT_CI("setrlimit",	setrlimit64,	2),
591 			SYSENT_CI("setrlimit",	setrlimit32,	2)),
592 	/* 129 */ IF_LP64(
593 			SYSENT_CI("getrlimit",	getrlimit64,	2),
594 			SYSENT_CI("getrlimit",	getrlimit32,	2)),
595 	/* 130 */ SYSENT_CI("lchown",		lchown,		3),
596 	/* 131 */ SYSENT_CI("memcntl",		memcntl,	6),
597 	/* 132 */ SYSENT_CI("getpmsg",		getpmsg,	5),
598 	/* 133 */ SYSENT_CI("putpmsg",		putpmsg,	5),
599 	/* 134 */ SYSENT_CI("rename",		rename,		2),
600 	/* 135 */ SYSENT_CI("uname",		uname,		1),
601 	/* 136 */ SYSENT_CI("setegid",		setegid,	1),
602 	/* 137 */ SYSENT_CL("sysconfig",	sysconfig,	1),
603 	/* 138 */ SYSENT_CI("adjtime",		adjtime,	2),
604 	/* 139 */ SYSENT_CL("systeminfo",	systeminfo,	3),
605 	/* 140 */ SYSENT_LOADABLE(),		/* sharefs */
606 	/* 141 */ SYSENT_CI("seteuid",		seteuid,	1),
607 	/* 142 */ SYSENT_2CI("forksys",		forksys,	2),
608 	/* 143 */ SYSENT_LOADABLE(),			/* (was fork1) */
609 	/* 144 */ SYSENT_CI("sigtimedwait",	sigtimedwait,	3),
610 	/* 145 */ SYSENT_CI("lwp_info",		lwp_info,	1),
611 	/* 146 */ SYSENT_CI("yield",		yield,		0),
612 	/* 147 */ SYSENT_LOADABLE(),		    /* (was lwp_sema_wait) */
613 	/* 148 */ SYSENT_CI("lwp_sema_post",	lwp_sema_post,	1),
614 	/* 149 */ SYSENT_CI("lwp_sema_trywait",	lwp_sema_trywait, 1),
615 	/* 150 */ SYSENT_CI("lwp_detach",	lwp_detach,	1),
616 	/* 151 */ SYSENT_CI("corectl",		corectl,	4),
617 	/* 152 */ SYSENT_CI("modctl",		modctl,		6),
618 	/* 153 */ SYSENT_CI("fchroot",		fchroot,	1),
619 	/* 154 */ SYSENT_LOADABLE(),			/* (was utimes) */
620 	/* 155 */ SYSENT_CI("vhangup",		vhangup,	0),
621 	/* 156 */ SYSENT_CI("gettimeofday",	gettimeofday,	1),
622 	/* 157 */ SYSENT_CI("getitimer",	getitimer,	2),
623 	/* 158 */ SYSENT_CI("setitimer",	setitimer,	3),
624 	/* 159 */ SYSENT_CI("lwp_create",	syslwp_create,	3),
625 	/* 160 */ SYSENT_CI("lwp_exit",	(int (*)())syslwp_exit,	0),
626 	/* 161 */ SYSENT_CI("lwp_suspend",	syslwp_suspend,	1),
627 	/* 162 */ SYSENT_CI("lwp_continue",	syslwp_continue, 1),
628 	/* 163 */ SYSENT_CI("lwp_kill",		lwp_kill,	2),
629 	/* 164 */ SYSENT_CI("lwp_self",		lwp_self,	0),
630 	/* 165 */ SYSENT_2CI("lwp_sigmask",	lwp_sigmask,	5),
631 	/* 166 */ IF_x86(
632 			SYSENT_CI("lwp_private", syslwp_private, 3),
633 			SYSENT_NOSYS()),
634 	/* 167 */ SYSENT_CI("lwp_wait",		lwp_wait,	2),
635 	/* 168 */ SYSENT_CI("lwp_mutex_wakeup",	lwp_mutex_wakeup,	2),
636 	/* 169 */ SYSENT_LOADABLE(),		    /* (was lwp_mutex_lock) */
637 	/* 170 */ SYSENT_CI("lwp_cond_wait",	lwp_cond_wait,		4),
638 	/* 171 */ SYSENT_CI("lwp_cond_signal",	lwp_cond_signal,	1),
639 	/* 172 */ SYSENT_CI("lwp_cond_broadcast", lwp_cond_broadcast,	1),
640 	/* 173 */ SYSENT_CL("pread",		pread,		4),
641 	/* 174 */ SYSENT_CL("pwrite ",		pwrite,		4),
642 	/*
643 	 * The 64-bit C library maps llseek() to lseek(), so this
644 	 * is needed as a native syscall only on the 32-bit kernel.
645 	 */
646 	/* 175 */ IF_LP64(
647 			SYSENT_NOSYS(),
648 			SYSENT_C("llseek",	llseek32,	4)),
649 	/* 176 */ SYSENT_LOADABLE(),		/* inst_sync */
650 	/* 177 */ SYSENT_CI("brandsys",		brandsys,	6),
651 	/* 178 */ SYSENT_LOADABLE(),		/* kaio */
652 	/* 179 */ SYSENT_LOADABLE(),		/* cpc */
653 	/* 180 */ SYSENT_CI("lgrpsys",		lgrpsys,	3),
654 	/* 181 */ SYSENT_CI("rusagesys",	rusagesys, 	5),
655 	/* 182 */ SYSENT_LOADABLE(),		/* portfs */
656 	/* 183 */ SYSENT_CI("pollsys",		pollsys,	4),
657 	/* 184 */ SYSENT_CI("labelsys",		labelsys,	5),
658 	/* 185 */ SYSENT_CI("acl",		acl,		4),
659 	/* 186 */ SYSENT_AP("auditsys",		auditsys,	6),
660 	/* 187 */ SYSENT_CI("processor_bind",	processor_bind,	4),
661 	/* 188 */ SYSENT_CI("processor_info",	processor_info,	2),
662 	/* 189 */ SYSENT_CI("p_online",		p_online,	2),
663 	/* 190 */ SYSENT_CI("sigqueue",		sigqueue,	5),
664 	/* 191 */ SYSENT_CI("clock_gettime",	clock_gettime,	2),
665 	/* 192 */ SYSENT_CI("clock_settime",	clock_settime,	2),
666 	/* 193 */ SYSENT_CI("clock_getres",	clock_getres,	2),
667 	/* 194 */ SYSENT_CI("timer_create",	timer_create,	3),
668 	/* 195 */ SYSENT_CI("timer_delete",	timer_delete,	1),
669 	/* 196 */ SYSENT_CI("timer_settime",	timer_settime,	4),
670 	/* 197 */ SYSENT_CI("timer_gettime",	timer_gettime,	2),
671 	/* 198 */ SYSENT_CI("timer_getoverrun",	timer_getoverrun, 1),
672 	/* 199 */ SYSENT_CI("nanosleep",	nanosleep,	2),
673 	/* 200 */ SYSENT_CI("facl",		facl,		4),
674 	/* 201 */ SYSENT_LOADABLE(),		/* door */
675 	/* 202 */ SYSENT_CI("setreuid",		setreuid,	2),
676 	/* 203 */ SYSENT_CI("setregid",		setregid,	2),
677 	/* 204 */ SYSENT_CI("install_utrap",	install_utrap,	3),
678 	/* 205 */ SYSENT_CI("signotify",	signotify,	3),
679 	/* 206 */ SYSENT_CL("schedctl",		schedctl,	0),
680 	/* 207 */ SYSENT_LOADABLE(),		/* pset */
681 	/* 208 */ IF_sparc(
682 		SYSENT_CI("sparc_utrap_install", sparc_utrap_install, 5),
683 		SYSENT_NOSYS()),
684 	/* 209 */ SYSENT_CI("resolvepath",	resolvepath,	3),
685 	/* 210 */ SYSENT_CI("lwp_mutex_timedlock", lwp_mutex_timedlock,	3),
686 	/* 211 */ SYSENT_CI("lwp_sema_timedwait", lwp_sema_timedwait,	3),
687 	/* 212 */ SYSENT_CI("lwp_rwlock_sys",	lwp_rwlock_sys,	3),
688 	/*
689 	 * Syscalls 213-225: 32-bit system call support for large files.
690 	 *
691 	 * (The 64-bit C library transparently maps these system calls
692 	 * back to their native versions, so almost all of them are only
693 	 * needed as native syscalls on the 32-bit kernel).
694 	 */
695 	/* 213 */ IF_LP64(
696 			SYSENT_NOSYS(),
697 			SYSENT_CI("getdents64",	getdents64,	3)),
698 	/* 214 */ IF_LP64(
699 			SYSENT_NOSYS(),
700 			SYSENT_AP("smmaplf32",	smmaplf32,	7)),
701 	/* 215 */ IF_LP64(
702 			SYSENT_NOSYS(),
703 			SYSENT_CI("stat64",	stat64, 	2)),
704 	/* 216 */ IF_LP64(
705 			SYSENT_NOSYS(),
706 			SYSENT_CI("lstat64",	lstat64,	2)),
707 	/* 217 */ IF_LP64(
708 			SYSENT_NOSYS(),
709 			SYSENT_CI("fstat64", 	fstat64, 	2)),
710 	/* 218 */ IF_LP64(
711 			SYSENT_NOSYS(),
712 			SYSENT_CI("statvfs64", 	statvfs64, 	2)),
713 	/* 219 */ IF_LP64(
714 			SYSENT_NOSYS(),
715 			SYSENT_CI("fstatvfs64",	fstatvfs64, 	2)),
716 	/* 220 */ IF_LP64(
717 			SYSENT_NOSYS(),
718 			SYSENT_CI("setrlimit64", setrlimit64, 	2)),
719 	/* 221 */ IF_LP64(
720 			SYSENT_NOSYS(),
721 			SYSENT_CI("getrlimit64", getrlimit64, 	2)),
722 	/* 222 */ IF_LP64(
723 			SYSENT_NOSYS(),
724 			SYSENT_CI("pread64",	pread64, 	5)),
725 	/* 223 */ IF_LP64(
726 			SYSENT_NOSYS(),
727 			SYSENT_CI("pwrite64", 	pwrite64, 	5)),
728 	/* 224 */ SYSENT_LOADABLE(),			/* (was creat64) */
729 	/* 225 */ IF_LP64(
730 			SYSENT_NOSYS(),
731 			SYSENT_CI("open64",	open64,		3)),
732 	/* 226 */ SYSENT_LOADABLE(),		/* rpcsys */
733 	/* 227 */ SYSENT_CL("zone",		zone,		5),
734 	/* 228 */ SYSENT_LOADABLE(),		/* autofssys */
735 	/* 229 */ SYSENT_CI("getcwd",		getcwd,		2),
736 	/* 230 */ SYSENT_CI("so_socket",	so_socket,	5),
737 	/* 231 */ SYSENT_CI("so_socketpair",	so_socketpair,	1),
738 	/* 232 */ SYSENT_CI("bind",		bind,		4),
739 	/* 233 */ SYSENT_CI("listen",		listen,		3),
740 	/* 234 */ SYSENT_CI("accept",		accept,		5),
741 	/* 235 */ SYSENT_CI("connect",		connect,	4),
742 	/* 236 */ SYSENT_CI("shutdown",		shutdown,	3),
743 	/* 237 */ SYSENT_CL("recv",		recv,		4),
744 	/* 238 */ SYSENT_CL("recvfrom",		recvfrom,	6),
745 	/* 239 */ SYSENT_CL("recvmsg",		recvmsg,	3),
746 	/* 240 */ SYSENT_CL("send",		send,		4),
747 	/* 241 */ SYSENT_CL("sendmsg",		sendmsg,	3),
748 	/* 242 */ SYSENT_CL("sendto",		sendto,		6),
749 	/* 243 */ SYSENT_CI("getpeername",	getpeername,	4),
750 	/* 244 */ SYSENT_CI("getsockname",	getsockname,	4),
751 	/* 245 */ SYSENT_CI("getsockopt",	getsockopt,	6),
752 	/* 246 */ SYSENT_CI("setsockopt",	setsockopt,	6),
753 	/* 247 */ SYSENT_CI("sockconfig",	sockconfig,	5),
754 	/* 248 */ SYSENT_CI("ntp_gettime",	ntp_gettime,	1),
755 	/* 249 */ SYSENT_CI("ntp_adjtime",	ntp_adjtime,	1),
756 	/* 250 */ SYSENT_CI("lwp_mutex_unlock",	lwp_mutex_unlock,	1),
757 	/* 251 */ SYSENT_CI("lwp_mutex_trylock", lwp_mutex_trylock,	2),
758 	/* 252 */ SYSENT_CI("lwp_mutex_register", lwp_mutex_register,	2),
759 	/* 253 */ SYSENT_CI("cladm",		cladm,		3),
760 	/* 254 */ SYSENT_CI("uucopy",		uucopy,		3),
761 	/* 255 */ SYSENT_CI("umount2",		umount2,	2)
762 };
763 
764 
765 #ifdef _SYSCALL32_IMPL
766 
767 extern int ulimit32(int, int);
768 extern ssize_t read32(int32_t, caddr32_t, size32_t);
769 extern ssize_t write32(int32_t, caddr32_t, size32_t);
770 extern ssize_t pread32(int32_t, caddr32_t, size32_t, off32_t);
771 extern ssize_t pwrite32(int32_t, caddr32_t, size32_t, off32_t);
772 extern ssize_t readv32(int32_t, caddr32_t, int32_t);
773 extern ssize_t writev32(int32_t, caddr32_t, int32_t);
774 extern ssize_t readlink32(caddr32_t, caddr32_t, size32_t);
775 extern ssize_t readlinkat32(int, caddr32_t, caddr32_t, size32_t);
776 extern int open32(char *, int, int);
777 extern int openat32(int, char *, int, int);
778 extern int stat32(char *, struct stat32 *);
779 extern int fstatat32(int, char *, struct stat32 *, int);
780 extern int lstat32(char *, struct stat32 *);
781 extern int fstat32(int, struct stat32 *);
782 extern int fstatat64_32(int, char *, struct stat64_32 *, int);
783 extern int stat64_32(char *, struct stat64_32 *);
784 extern int lstat64_32(char *, struct stat64_32 *);
785 extern int fstat64_32(int, struct stat64_32 *);
786 extern int getmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t *);
787 extern int putmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t *);
788 extern int getpmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t *,
789     int32_t *);
790 extern int putpmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t,
791     int32_t);
792 extern int getsetcontext32(int, void *);
793 extern int statvfs32(char *, struct statvfs32 *);
794 extern int fstatvfs32(int, struct statvfs32 *);
795 extern int statvfs64_32(char *, struct statvfs64_32 *);
796 extern int fstatvfs64_32(int, struct statvfs64_32 *);
797 extern int sigaction32(int, struct sigaction32 *, struct sigaction32 *);
798 extern clock32_t times32(struct tms32 *);
799 extern int stime32(time32_t);
800 extern int getpagesizes32(int, size32_t *, int);
801 extern int sigaltstack32(struct sigaltstack32 *, struct sigaltstack32 *);
802 extern int sigqueue32(pid_t, int, caddr32_t, int, int);
803 extern offset_t	llseek32(int32_t, uint32_t, uint32_t, int);
804 extern int waitsys32(idtype_t, id_t, siginfo_t *, int);
805 
806 extern ssize_t recv32(int32_t, caddr32_t, size32_t, int32_t);
807 extern ssize_t recvfrom32(int32_t, caddr32_t, size32_t, int32_t, caddr32_t,
808     caddr32_t);
809 extern ssize_t send32(int32_t, caddr32_t, size32_t, int32_t);
810 extern ssize_t sendto32(int32_t, caddr32_t, size32_t, int32_t, caddr32_t,
811     socklen_t);
812 
813 extern int privsys32(int, priv_op_t, priv_ptype_t, caddr32_t, size32_t, int);
814 extern int ucredsys32(int, int, caddr32_t);
815 
816 /*
817  * sysent table for ILP32 processes running on
818  * a LP64 kernel.
819  */
820 struct sysent sysent32[NSYSCALL] =
821 {
822 	/*  0 */ SYSENT_C("indir",		indir,		1),
823 	/*  1 */ SYSENT_CI("exit",	(int (*)())rexit,	1),
824 	/*  2 */ SYSENT_CI("psecflags",		psecflags,	3),
825 	/*  3 */ SYSENT_CI("read",		read32,		3),
826 	/*  4 */ SYSENT_CI("write",		write32,	3),
827 	/*  5 */ SYSENT_CI("open",		open32,		3),
828 	/*  6 */ SYSENT_CI("close",		close,		1),
829 	/*  7 */ SYSENT_CI("linkat",		linkat,		5),
830 	/*  8 */ SYSENT_LOADABLE32(),			/* (was creat32) */
831 	/*  9 */ SYSENT_CI("link",		link,		2),
832 	/* 10 */ SYSENT_CI("unlink",		unlink,		1),
833 	/* 11 */ SYSENT_CI("symlinkat",		symlinkat,	3),
834 	/* 12 */ SYSENT_CI("chdir",		chdir,		1),
835 	/* 13 */ SYSENT_CI("time",		gtime,		0),
836 	/* 14 */ SYSENT_CI("mknod",		mknod,		3),
837 	/* 15 */ SYSENT_CI("chmod",		chmod,		2),
838 	/* 16 */ SYSENT_CI("chown",		chown,		3),
839 	/* 17 */ SYSENT_CI("brk",		brk,		1),
840 	/* 18 */ SYSENT_CI("stat",		stat32,		2),
841 	/* 19 */ SYSENT_CI("lseek",		lseek32,	3),
842 	/* 20 */ SYSENT_2CI("getpid",		getpid,		0),
843 	/* 21 */ SYSENT_AP("mount",		mount,		8),
844 	/* 22 */ SYSENT_CI("readlinkat",	readlinkat32,	4),
845 	/* 23 */ SYSENT_CI("setuid",		setuid,		1),
846 	/* 24 */ SYSENT_2CI("getuid",		getuid,		0),
847 	/* 25 */ SYSENT_CI("stime",		stime32,	1),
848 	/* 26 */ SYSENT_CI("pcsample",		pcsample,	2),
849 	/* 27 */ SYSENT_CI("alarm",		alarm,		1),
850 	/* 28 */ SYSENT_CI("fstat",		fstat32,	2),
851 	/* 29 */ SYSENT_CI("pause",		pause,		0),
852 	/* 30 */ SYSENT_LOADABLE32(),			/* (was utime) */
853 	/* 31 */ SYSENT_CI("stty",		stty,		2),
854 	/* 32 */ SYSENT_CI("gtty",		gtty,		2),
855 	/* 33 */ SYSENT_CI("access",		access,		2),
856 	/* 34 */ SYSENT_CI("nice",		nice,		1),
857 	/* 35 */ SYSENT_CI("statfs",		statfs32,	4),
858 	/* 36 */ SYSENT_CI("sync",		syssync,	0),
859 	/* 37 */ SYSENT_CI("kill",		kill,		2),
860 	/* 38 */ SYSENT_CI("fstatfs",		fstatfs32,	4),
861 	/* 39 */ SYSENT_CI("setpgrp",		setpgrp,	3),
862 	/* 40 */ SYSENT_CI("uucopystr",		uucopystr,	3),
863 	/* 41 */ SYSENT_LOADABLE32(),			/* (was dup) */
864 	/* 42 */ SYSENT_LOADABLE32(),			/* pipe */
865 	/* 43 */ SYSENT_CI("times",		times32,	1),
866 	/* 44 */ SYSENT_CI("prof",		profil,		4),
867 	/* 45 */ SYSENT_CI("faccessat",		faccessat,	4),
868 	/* 46 */ SYSENT_CI("setgid",		setgid,		1),
869 	/* 47 */ SYSENT_2CI("getgid",		getgid,		0),
870 	/* 48 */ SYSENT_CI("mknodat",		mknodat,	4),
871 	/* 49 */ SYSENT_LOADABLE32(),			/* msgsys */
872 	/* 50 */ IF_386_ABI(
873 			SYSENT_CI("sysi86",	sysi86,		4),
874 			SYSENT_LOADABLE32()),		/* (was sys3b) */
875 	/* 51 */ SYSENT_LOADABLE32(),			/* sysacct */
876 	/* 52 */ SYSENT_LOADABLE32(),			/* shmsys */
877 	/* 53 */ SYSENT_LOADABLE32(),			/* semsys */
878 	/* 54 */ SYSENT_CI("ioctl",		ioctl,		3),
879 	/* 55 */ SYSENT_CI("uadmin",		uadmin,		3),
880 	/* 56 */ SYSENT_CI("fchownat",		fchownat,	5),
881 	/* 57 */ SYSENT_2CI("utssys",		utssys32,	4),
882 	/* 58 */ SYSENT_CI("fdsync",		fdsync,		2),
883 	/* 59 */ SYSENT_CI("exece",		exece,		3),
884 	/* 60 */ SYSENT_CI("umask",		umask,		1),
885 	/* 61 */ SYSENT_CI("chroot",		chroot,		1),
886 	/* 62 */ SYSENT_CI("fcntl",		fcntl,		3),
887 	/* 63 */ SYSENT_CI("ulimit",		ulimit32,	2),
888 	/* 64 */ SYSENT_CI("renameat",		renameat,	4),
889 	/* 65 */ SYSENT_CI("unlinkat",		unlinkat,	3),
890 	/* 66 */ SYSENT_CI("fstatat",		fstatat32,	4),
891 	/* 67 */ SYSENT_CI("fstatat64", 	fstatat64_32, 	4),
892 	/* 68 */ SYSENT_CI("openat",		openat32,	4),
893 	/* 69 */ SYSENT_CI("openat64",		openat64,	4),
894 	/* 70 */ SYSENT_CI("tasksys",		tasksys,	5),
895 	/* 71 */ SYSENT_LOADABLE32(),		/* acctctl */
896 	/* 72 */ SYSENT_LOADABLE32(),		/* exacct */
897 	/* 73 */ SYSENT_CI("getpagesizes",	getpagesizes32,	3),
898 	/* 74 */ SYSENT_CI("rctlsys",		rctlsys,	6),
899 	/* 75 */ SYSENT_2CI("sidsys",		sidsys,		4),
900 	/* 76 */ SYSENT_LOADABLE32(),			/* (was fsat) */
901 	/* 77 */ SYSENT_CI("lwp_park",		syslwp_park,	3),
902 	/* 78 */ SYSENT_CI("sendfilev",		sendfilev,	5),
903 	/* 79 */ SYSENT_CI("rmdir",		rmdir,		1),
904 	/* 80 */ SYSENT_CI("mkdir",		mkdir,		2),
905 	/* 81 */ SYSENT_CI("getdents",		getdents32,	3),
906 	/* 82 */ SYSENT_CI("privsys",		privsys32,	6),
907 	/* 83 */ SYSENT_CI("ucredsys",		ucredsys32,	3),
908 	/* 84 */ SYSENT_CI("sysfs",		sysfs,		3),
909 	/* 85 */ SYSENT_CI("getmsg",		getmsg32,	4),
910 	/* 86 */ SYSENT_CI("putmsg",		putmsg32,	4),
911 	/* 87 */ SYSENT_LOADABLE32(),			/* (was poll) */
912 	/* 88 */ SYSENT_CI("lstat",		lstat32,	2),
913 	/* 89 */ SYSENT_CI("symlink",		symlink,	2),
914 	/* 90 */ SYSENT_CI("readlink",		readlink32,	3),
915 	/* 91 */ SYSENT_CI("setgroups",		setgroups,	2),
916 	/* 92 */ SYSENT_CI("getgroups",		getgroups,	2),
917 	/* 93 */ SYSENT_CI("fchmod",		fchmod,		2),
918 	/* 94 */ SYSENT_CI("fchown",		fchown,		3),
919 	/* 95 */ SYSENT_CI("sigprocmask",	sigprocmask,	3),
920 	/* 96 */ SYSENT_CI("sigsuspend",	sigsuspend,	1),
921 	/* 97 */ SYSENT_CI("sigaltstack",	sigaltstack32,	2),
922 	/* 98 */ SYSENT_CI("sigaction",		sigaction32,	3),
923 	/* 99 */ SYSENT_CI("sigpending",	sigpending,	2),
924 	/* 100 */ SYSENT_CI("getsetcontext",	getsetcontext32, 2),
925 	/* 101 */ SYSENT_CI("fchmodat",		fchmodat,	4),
926 	/* 102 */ SYSENT_CI("mkdirat",		mkdirat,	3),
927 	/* 103 */ SYSENT_CI("statvfs",		statvfs32,	2),
928 	/* 104 */ SYSENT_CI("fstatvfs",		fstatvfs32,	2),
929 	/* 105 */ SYSENT_CI("getloadavg",	getloadavg,	2),
930 	/* 106 */ SYSENT_LOADABLE32(),		/* nfssys */
931 	/* 107 */ SYSENT_CI("waitsys",		waitsys32,	4),
932 	/* 108 */ SYSENT_CI("sigsendset",	sigsendsys,	2),
933 	/* 109 */ IF_x86(
934 			SYSENT_AP("hrtsys",	hrtsys,		5),
935 			SYSENT_LOADABLE32()),
936 	/* 110 */ SYSENT_CI("utimesys",		utimesys,	5),
937 	/* 111 */ SYSENT_CI("sigresend",	sigresend,	3),
938 	/* 112 */ SYSENT_CI("priocntlsys",	priocntlsys,	5),
939 	/* 113 */ SYSENT_CI("pathconf",		pathconf,	2),
940 	/* 114 */ SYSENT_CI("mincore",		mincore,	3),
941 	/* 115 */ SYSENT_CI("mmap",		smmap32,	6),
942 	/* 116 */ SYSENT_CI("mprotect",		mprotect,	3),
943 	/* 117 */ SYSENT_CI("munmap",		munmap,		2),
944 	/* 118 */ SYSENT_CI("fpathconf",	fpathconf,	2),
945 	/* 119 */ SYSENT_2CI("vfork",		vfork,		0),
946 	/* 120 */ SYSENT_CI("fchdir",		fchdir,		1),
947 	/* 121 */ SYSENT_CI("readv",		readv32,	3),
948 	/* 122 */ SYSENT_CI("writev",		writev32,	3),
949 	/* 123 */ SYSENT_CI("preadv",		preadv,		5),
950 	/* 124 */ SYSENT_CI("pwritev",		pwritev,	5),
951 	/* 125 */ SYSENT_LOADABLE32(),		/*	was fxstat32	*/
952 	/* 126 */ SYSENT_CI("getrandom",	getrandom,	3),
953 	/* 127 */ SYSENT_CI("mmapobj",		mmapobjsys,	5),
954 	/* 128 */ SYSENT_CI("setrlimit",	setrlimit32,	2),
955 	/* 129 */ SYSENT_CI("getrlimit",	getrlimit32,	2),
956 	/* 130 */ SYSENT_CI("lchown",		lchown,		3),
957 	/* 131 */ SYSENT_CI("memcntl",		memcntl,	6),
958 	/* 132 */ SYSENT_CI("getpmsg",		getpmsg32,	5),
959 	/* 133 */ SYSENT_CI("putpmsg",		putpmsg32,	5),
960 	/* 134 */ SYSENT_CI("rename",		rename,		2),
961 	/* 135 */ SYSENT_CI("uname",		uname,		1),
962 	/* 136 */ SYSENT_CI("setegid",		setegid,	1),
963 	/* 137 */ SYSENT_CI("sysconfig",	sysconfig,	1),
964 	/* 138 */ SYSENT_CI("adjtime",		adjtime,	2),
965 	/* 139 */ SYSENT_CI("systeminfo",	systeminfo,	3),
966 	/* 140 */ SYSENT_LOADABLE32(),		/* sharefs */
967 	/* 141 */ SYSENT_CI("seteuid",		seteuid,	1),
968 	/* 142 */ SYSENT_2CI("forksys",		forksys,	2),
969 	/* 143 */ SYSENT_LOADABLE32(),			/* (was fork1) */
970 	/* 144 */ SYSENT_CI("sigtimedwait",	sigtimedwait,	3),
971 	/* 145 */ SYSENT_CI("lwp_info",		lwp_info,	1),
972 	/* 146 */ SYSENT_CI("yield",		yield,		0),
973 	/* 147 */ SYSENT_LOADABLE32(),		    /* (was lwp_sema_wait) */
974 	/* 148 */ SYSENT_CI("lwp_sema_post",	lwp_sema_post,	1),
975 	/* 149 */ SYSENT_CI("lwp_sema_trywait",	lwp_sema_trywait, 1),
976 	/* 150 */ SYSENT_CI("lwp_detach",	lwp_detach,	1),
977 	/* 151 */ SYSENT_CI("corectl",		corectl,	4),
978 	/* 152 */ SYSENT_CI("modctl",		modctl,		6),
979 	/* 153 */ SYSENT_CI("fchroot",		fchroot,	1),
980 	/* 154 */ SYSENT_LOADABLE32(),			/* (was utimes) */
981 	/* 155 */ SYSENT_CI("vhangup",		vhangup,	0),
982 	/* 156 */ SYSENT_CI("gettimeofday",	gettimeofday,	1),
983 	/* 157 */ SYSENT_CI("getitimer",	getitimer,	2),
984 	/* 158 */ SYSENT_CI("setitimer",	setitimer,	3),
985 	/* 159 */ SYSENT_CI("lwp_create",	syslwp_create,	3),
986 	/* 160 */ SYSENT_CI("lwp_exit",	(int (*)())syslwp_exit,	0),
987 	/* 161 */ SYSENT_CI("lwp_suspend",	syslwp_suspend,	1),
988 	/* 162 */ SYSENT_CI("lwp_continue",	syslwp_continue, 1),
989 	/* 163 */ SYSENT_CI("lwp_kill",		lwp_kill,	2),
990 	/* 164 */ SYSENT_CI("lwp_self",		lwp_self,	0),
991 	/* 165 */ SYSENT_2CI("lwp_sigmask",	lwp_sigmask,	5),
992 	/* 166 */ IF_x86(
993 			SYSENT_CI("lwp_private", syslwp_private, 3),
994 			SYSENT_NOSYS()),
995 	/* 167 */ SYSENT_CI("lwp_wait",		lwp_wait,	2),
996 	/* 168 */ SYSENT_CI("lwp_mutex_wakeup",	lwp_mutex_wakeup,	2),
997 	/* 169 */ SYSENT_LOADABLE32(),		    /* (was lwp_mutex_lock) */
998 	/* 170 */ SYSENT_CI("lwp_cond_wait",	lwp_cond_wait,		4),
999 	/* 171 */ SYSENT_CI("lwp_cond_signal",	lwp_cond_signal,	1),
1000 	/* 172 */ SYSENT_CI("lwp_cond_broadcast", lwp_cond_broadcast,	1),
1001 	/* 173 */ SYSENT_CI("pread",		pread32,		4),
1002 	/* 174 */ SYSENT_CI("pwrite",		pwrite32,		4),
1003 	/* 175 */ SYSENT_C("llseek",		llseek32,	4),
1004 	/* 176 */ SYSENT_LOADABLE32(),		/* inst_sync */
1005 	/* 177 */ SYSENT_CI("brandsys",		brandsys,	6),
1006 	/* 178 */ SYSENT_LOADABLE32(),		/* kaio */
1007 	/* 179 */ SYSENT_LOADABLE32(),		/* cpc */
1008 	/* 180 */ SYSENT_CI("lgrpsys",		lgrpsys,	3),
1009 	/* 181 */ SYSENT_CI("rusagesys",	rusagesys,	5),
1010 	/* 182 */ SYSENT_LOADABLE32(),		/* portfs */
1011 	/* 183 */ SYSENT_CI("pollsys",		pollsys,	4),
1012 	/* 184 */ SYSENT_CI("labelsys",		labelsys,	5),
1013 	/* 185 */ SYSENT_CI("acl",		acl,		4),
1014 	/* 186 */ SYSENT_AP("auditsys",		auditsys,	6),
1015 	/* 187 */ SYSENT_CI("processor_bind",	processor_bind,	4),
1016 	/* 188 */ SYSENT_CI("processor_info",	processor_info,	2),
1017 	/* 189 */ SYSENT_CI("p_online",		p_online,	2),
1018 	/* 190 */ SYSENT_CI("sigqueue",		sigqueue32,	5),
1019 	/* 191 */ SYSENT_CI("clock_gettime",	clock_gettime,	2),
1020 	/* 192 */ SYSENT_CI("clock_settime",	clock_settime,	2),
1021 	/* 193 */ SYSENT_CI("clock_getres",	clock_getres,	2),
1022 	/* 194 */ SYSENT_CI("timer_create",	timer_create,	3),
1023 	/* 195 */ SYSENT_CI("timer_delete",	timer_delete,	1),
1024 	/* 196 */ SYSENT_CI("timer_settime",	timer_settime,	4),
1025 	/* 197 */ SYSENT_CI("timer_gettime",	timer_gettime,	2),
1026 	/* 198 */ SYSENT_CI("timer_getoverrun",	timer_getoverrun, 1),
1027 	/* 199 */ SYSENT_CI("nanosleep",	nanosleep,	2),
1028 	/* 200 */ SYSENT_CI("facl",		facl,		4),
1029 	/* 201 */ SYSENT_LOADABLE32(),		/* door */
1030 	/* 202 */ SYSENT_CI("setreuid",		setreuid,	2),
1031 	/* 203 */ SYSENT_CI("setregid",		setregid,	2),
1032 	/* 204 */ SYSENT_CI("install_utrap",	install_utrap,	3),
1033 	/* 205 */ SYSENT_CI("signotify",	signotify,	3),
1034 	/* 206 */ SYSENT_CI("schedctl",		schedctl,	0),
1035 	/* 207 */ SYSENT_LOADABLE32(),		/* pset */
1036 	/* 208 */ SYSENT_LOADABLE32(),
1037 	/* 209 */ SYSENT_CI("resolvepath",	resolvepath,	3),
1038 	/* 210 */ SYSENT_CI("lwp_mutex_timedlock", lwp_mutex_timedlock, 3),
1039 	/* 211 */ SYSENT_CI("lwp_sema_timedwait", lwp_sema_timedwait,	3),
1040 	/* 212 */ SYSENT_CI("lwp_rwlock_sys",	lwp_rwlock_sys,	3),
1041 	/*
1042 	 * Syscalls 213-225: 32-bit system call support for large files.
1043 	 */
1044 	/* 213 */ SYSENT_CI("getdents64",	getdents64,	3),
1045 	/* 214 */ SYSENT_AP("smmaplf32", 	smmaplf32, 	7),
1046 	/* 215 */ SYSENT_CI("stat64", 		stat64_32, 	2),
1047 	/* 216 */ SYSENT_CI("lstat64", 		lstat64_32,	2),
1048 	/* 217 */ SYSENT_CI("fstat64", 		fstat64_32, 	2),
1049 	/* 218 */ SYSENT_CI("statvfs64", 	statvfs64_32, 	2),
1050 	/* 219 */ SYSENT_CI("fstatvfs64", 	fstatvfs64_32, 	2),
1051 	/* 220 */ SYSENT_CI("setrlimit64", 	setrlimit64, 	2),
1052 	/* 221 */ SYSENT_CI("getrlimit64", 	getrlimit64, 	2),
1053 	/* 222 */ SYSENT_CI("pread64", 		pread64, 	5),
1054 	/* 223 */ SYSENT_CI("pwrite64", 	pwrite64, 	5),
1055 	/* 224 */ SYSENT_LOADABLE32(),			/* (was creat64) */
1056 	/* 225 */ SYSENT_CI("open64",		open64,		3),
1057 	/* 226 */ SYSENT_LOADABLE32(),		/* rpcsys */
1058 	/* 227 */ SYSENT_CI("zone",		zone,		6),
1059 	/* 228 */ SYSENT_LOADABLE32(),		/* autofssys */
1060 	/* 229 */ SYSENT_CI("getcwd",		getcwd,		2),
1061 	/* 230 */ SYSENT_CI("so_socket",	so_socket,	5),
1062 	/* 231 */ SYSENT_CI("so_socketpair",	so_socketpair,	1),
1063 	/* 232 */ SYSENT_CI("bind",		bind,		4),
1064 	/* 233 */ SYSENT_CI("listen",		listen,		3),
1065 	/* 234 */ SYSENT_CI("accept",		accept,		5),
1066 	/* 235 */ SYSENT_CI("connect",		connect,	4),
1067 	/* 236 */ SYSENT_CI("shutdown",		shutdown,	3),
1068 	/* 237 */ SYSENT_CI("recv",		recv32,		4),
1069 	/* 238 */ SYSENT_CI("recvfrom",		recvfrom32,	6),
1070 	/* 239 */ SYSENT_CI("recvmsg",		recvmsg,	3),
1071 	/* 240 */ SYSENT_CI("send",		send32,		4),
1072 	/* 241 */ SYSENT_CI("sendmsg",		sendmsg,	3),
1073 	/* 242 */ SYSENT_CI("sendto",		sendto32,	6),
1074 	/* 243 */ SYSENT_CI("getpeername",	getpeername,	4),
1075 	/* 244 */ SYSENT_CI("getsockname",	getsockname,	4),
1076 	/* 245 */ SYSENT_CI("getsockopt",	getsockopt,	6),
1077 	/* 246 */ SYSENT_CI("setsockopt",	setsockopt,	6),
1078 	/* 247 */ SYSENT_CI("sockconfig",	sockconfig,	5),
1079 	/* 248 */ SYSENT_CI("ntp_gettime",	ntp_gettime,	1),
1080 	/* 249 */ SYSENT_CI("ntp_adjtime",	ntp_adjtime,	1),
1081 	/* 250 */ SYSENT_CI("lwp_mutex_unlock",	lwp_mutex_unlock,	1),
1082 	/* 251 */ SYSENT_CI("lwp_mutex_trylock", lwp_mutex_trylock,	2),
1083 	/* 252 */ SYSENT_CI("lwp_mutex_register", lwp_mutex_register,	2),
1084 	/* 253 */ SYSENT_CI("cladm",		cladm,		3),
1085 	/* 254 */ SYSENT_CI("uucopy",		uucopy,		3),
1086 	/* 255 */ SYSENT_CI("umount2",		umount2,	2)
1087 };
1088 #endif /* _SYSCALL32_IMPL */
1089 
1090 /*
1091  * Space allocated and initialized in init_syscallnames().
1092  */
1093 char **syscallnames;
1094 
1095 systrace_sysent_t *systrace_sysent;
1096 void (*systrace_probe)(dtrace_id_t, uintptr_t, uintptr_t,
1097     uintptr_t, uintptr_t, uintptr_t, uintptr_t);
1098 
1099 /*ARGSUSED*/
1100 void
1101 systrace_stub(dtrace_id_t id, uintptr_t arg0, uintptr_t arg1,
1102     uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
1103 {}
1104 
1105 /*ARGSUSED*/
1106 int64_t
1107 dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
1108     uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
1109 {
1110 	systrace_sysent_t *sy = &systrace_sysent[curthread->t_sysnum];
1111 	dtrace_id_t id;
1112 	int64_t rval;
1113 	proc_t *p;
1114 
1115 	if ((id = sy->stsy_entry) != DTRACE_IDNONE)
1116 		(*systrace_probe)(id, arg0, arg1, arg2, arg3, arg4, arg5);
1117 
1118 	/*
1119 	 * We want to explicitly allow DTrace consumers to stop a process
1120 	 * before it actually executes the meat of the syscall.
1121 	 */
1122 	p = ttoproc(curthread);
1123 	mutex_enter(&p->p_lock);
1124 	if (curthread->t_dtrace_stop && !curthread->t_lwp->lwp_nostop) {
1125 		curthread->t_dtrace_stop = 0;
1126 		stop(PR_REQUESTED, 0);
1127 	}
1128 	mutex_exit(&p->p_lock);
1129 
1130 	rval = (*sy->stsy_underlying)(arg0, arg1, arg2, arg3, arg4, arg5);
1131 
1132 	if (ttolwp(curthread)->lwp_errno != 0)
1133 		rval = -1;
1134 
1135 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
1136 		(*systrace_probe)(id, (uintptr_t)rval, (uintptr_t)rval,
1137 		    (uintptr_t)((int64_t)rval >> 32), 0, 0, 0);
1138 
1139 	return (rval);
1140 }
1141 
1142 #ifdef _SYSCALL32_IMPL
1143 
1144 systrace_sysent_t *systrace_sysent32;
1145 
1146 /*ARGSUSED*/
1147 int64_t
1148 dtrace_systrace_syscall32(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
1149     uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
1150 {
1151 	systrace_sysent_t *sy = &systrace_sysent32[curthread->t_sysnum];
1152 	dtrace_id_t id;
1153 	int64_t rval;
1154 	proc_t *p;
1155 
1156 	if ((id = sy->stsy_entry) != DTRACE_IDNONE)
1157 		(*systrace_probe)(id, arg0, arg1, arg2, arg3, arg4, arg5);
1158 
1159 	/*
1160 	 * We want to explicitly allow DTrace consumers to stop a process
1161 	 * before it actually executes the meat of the syscall.
1162 	 */
1163 	p = ttoproc(curthread);
1164 	mutex_enter(&p->p_lock);
1165 	if (curthread->t_dtrace_stop && !curthread->t_lwp->lwp_nostop) {
1166 		curthread->t_dtrace_stop = 0;
1167 		stop(PR_REQUESTED, 0);
1168 	}
1169 	mutex_exit(&p->p_lock);
1170 
1171 	rval = (*sy->stsy_underlying)(arg0, arg1, arg2, arg3, arg4, arg5);
1172 
1173 	if (ttolwp(curthread)->lwp_errno != 0)
1174 		rval = -1;
1175 
1176 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
1177 		(*systrace_probe)(id, (uintptr_t)rval, (uintptr_t)rval,
1178 		    (uintptr_t)((uint64_t)rval >> 32), 0, 0, 0);
1179 
1180 	return (rval);
1181 }
1182 
1183 #endif
1184 
1185 void
1186 dtrace_systrace_rtt(void)
1187 {
1188 	systrace_sysent_t *sy;
1189 	dtrace_id_t id;
1190 
1191 	if (get_udatamodel() == DATAMODEL_NATIVE) {
1192 		if (systrace_sysent == NULL)
1193 			return;
1194 
1195 		sy = &systrace_sysent[curthread->t_sysnum];
1196 #ifdef _SYSCALL32_IMPL
1197 	} else {
1198 		if (systrace_sysent32 == NULL)
1199 			return;
1200 
1201 		sy = &systrace_sysent32[curthread->t_sysnum];
1202 #endif
1203 	}
1204 
1205 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
1206 		(*systrace_probe)(id, 0, 0, 0, 0, 0, 0);
1207 }
1208