xref: /titanic_41/usr/src/uts/common/os/sysent.c (revision 1babaf948dd28d81d79cf3ec089d6edc111ed4a8)
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 /* ONC_PLUS EXTRACT START */
23 
24 /*
25  * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
26  * Copyright 2012 Milan Jurik. All rights reserved.
27  */
28 
29 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
30 /*	  All Rights Reserved  	*/
31 
32 /* ONC_PLUS EXTRACT END */
33 
34 #include <sys/param.h>
35 #include <sys/types.h>
36 #include <sys/systm.h>
37 #include <sys/systrace.h>
38 #include <sys/procfs.h>
39 #include <sys/mman.h>
40 #include <sys/int_types.h>
41 #include <c2/audit.h>
42 #include <sys/stat.h>
43 #include <sys/times.h>
44 #include <sys/statfs.h>
45 #include <sys/stropts.h>
46 #include <sys/statvfs.h>
47 #include <sys/utsname.h>
48 #include <sys/timex.h>
49 #include <sys/socket.h>
50 #include <sys/sendfile.h>
51 
52 struct hrtsysa;
53 struct mmaplf32a;
54 
55 /* ONC_PLUS EXTRACT START */
56 /*
57  * This table is the switch used to transfer to the appropriate
58  * routine for processing a system call.  Each row contains the
59  * number of arguments expected, a switch that tells systrap()
60  * in trap.c whether a setjmp() is not necessary, and a pointer
61  * to the routine.
62  */
63 /* ONC_PLUS EXTRACT END */
64 
65 int	access(char *, int);
66 int	alarm(int);
67 int	auditsys(struct auditcalls *, rval_t *);
68 int64_t	brandsys(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
69     uintptr_t);
70 int	brk(caddr_t);
71 int	chdir(char *);
72 int	chmod(char *, int);
73 int	chown(char *, uid_t, gid_t);
74 int	chroot(char *);
75 int	cladm(int, int, void *);
76 int	close(int);
77 int	exece(const char *, const char **, const char **);
78 int	faccessat(int, char *, int, int);
79 int	fchmodat(int, char *, int, int);
80 int	fchownat(int, char *, uid_t, gid_t, int);
81 int	fcntl(int, int, intptr_t);
82 int64_t	vfork();
83 int64_t	forksys(int, int);
84 int	fstat(int, struct stat *);
85 int	fdsync(int, int);
86 int64_t	getgid();
87 int	ucredsys(int, int, void *);
88 int64_t	getpid();
89 int64_t	getuid();
90 time_t	gtime();
91 int	getloadavg(int *, int);
92 int	rusagesys(int, void *, void *, void *, void *);
93 int	getpagesizes(int, size_t *, int);
94 int	gtty(int, intptr_t);
95 #if defined(__i386) || defined(__amd64)
96 int	hrtsys(struct hrtsysa *, rval_t *);
97 #endif /* __i386 || __amd64 */
98 int	ioctl(int, int, intptr_t);
99 int	kill();
100 int	labelsys(int, void *, void *, void *, void *, void *);
101 int	link(char *, char *);
102 int	linkat(int, char *, int, char *, int);
103 off32_t	lseek32(int32_t, off32_t, int32_t);
104 off_t	lseek64(int, off_t, int);
105 int	lgrpsys(int, long, void *);
106 int	mmapobjsys(int, uint_t, mmapobj_result_t *, uint_t *, void *);
107 int	mknod(char *, mode_t, dev_t);
108 int	mknodat(int, char *, mode_t, dev_t);
109 int	mount(long *, rval_t *);
110 int	nice(int);
111 int	nullsys();
112 int	open(char *, int, int);
113 int	openat(int, char *, int, int);
114 int	pause();
115 long	pcsample(void *, long);
116 int	privsys(int, priv_op_t, priv_ptype_t, void *, size_t, int);
117 int	profil(unsigned short *, size_t, ulong_t, uint_t);
118 ssize_t	pread(int, void *, size_t, off_t);
119 ssize_t	pwrite(int, void *, size_t, off_t);
120 ssize_t	read(int, void *, size_t);
121 int	rename(char *, char *);
122 int	renameat(int, char *, int, char *);
123 void	rexit(int);
124 int	semsys();
125 int	setgid(gid_t);
126 int	setpgrp(int, int, int);
127 int	setuid(uid_t);
128 uintptr_t	shmsys();
129 uint64_t	sidsys(int, int, int, int);
130 int	sigprocmask(int, sigset_t *, sigset_t *);
131 int	sigsuspend(sigset_t);
132 int	sigaltstack(struct sigaltstack *, struct sigaltstack *);
133 int	sigaction(int, struct sigaction *, struct sigaction *);
134 int	sigpending(int, sigset_t *);
135 int	sigresend(int, siginfo_t *, sigset_t *);
136 int	sigtimedwait(sigset_t *, siginfo_t *, timespec_t *);
137 int	getsetcontext(int, void *);
138 int	stat(char *, struct stat *);
139 int	fstatat(int, char *, struct stat *, int);
140 int	stime(time_t);
141 int	stty(int, intptr_t);
142 int	syssync();
143 int	sysacct(char *);
144 clock_t	times(struct tms *);
145 long	ulimit(int, long);
146 int	getrlimit32(int, struct rlimit32 *);
147 int	setrlimit32(int, struct rlimit32 *);
148 int	umask(int);
149 int	umount2(char *, int);
150 int	unlink(char *);
151 int	unlinkat(int, char *, int);
152 int	utimesys(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
153 int64_t	utssys32(void *, int, int, void *);
154 int64_t	utssys64(void *, long, int, void *);
155 int	uucopy(const void *, void *, size_t);
156 ssize_t	uucopystr(const char *, char *, size_t);
157 ssize_t	write(int, void *, size_t);
158 ssize_t	readv(int, struct iovec *, int);
159 ssize_t	writev(int, struct iovec *, int);
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) && !defined(__amd64)) || 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);
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 
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 /* ONC_PLUS EXTRACT END */
425 
426 /*
427  * Initialization macro for loadable 32-bit compatibility system calls.
428  */
429 #define	SYSENT_LOADABLE32()	SYSENT_LOADABLE()
430 
431 #define	SYSENT_NOSYS()		SYSENT_C("nosys", nosys, 0)
432 
433 struct sysent nosys_ent = SYSENT_NOSYS();
434 
435 /* ONC_PLUS EXTRACT START */
436 /*
437  * Native sysent table.
438  */
439 struct sysent sysent[NSYSCALL] =
440 {
441 /* ONC_PLUS EXTRACT END */
442 	/*  0 */ IF_LP64(
443 			SYSENT_NOSYS(),
444 			SYSENT_C("indir",	indir,		1)),
445 	/*  1 */ SYSENT_CI("exit",		rexit,		1),
446 	/*  2 */ SYSENT_LOADABLE(),			/* (was forkall) */
447 	/*  3 */ SYSENT_CL("read",		read,		3),
448 	/*  4 */ SYSENT_CL("write",		write,		3),
449 	/*  5 */ SYSENT_CI("open",		open,		3),
450 	/*  6 */ SYSENT_CI("close",		close,		1),
451 	/*  7 */ SYSENT_CI("linkat",		linkat,		5),
452 	/*  8 */ SYSENT_LOADABLE(),			/* (was creat) */
453 	/*  9 */ SYSENT_CI("link",		link,		2),
454 	/* 10 */ SYSENT_CI("unlink",		unlink,		1),
455 	/* 11 */ SYSENT_CI("symlinkat",		symlinkat,	3),
456 	/* 12 */ SYSENT_CI("chdir",		chdir,		1),
457 	/* 13 */ SYSENT_CL("time",		gtime,		0),
458 	/* 14 */ SYSENT_CI("mknod",		mknod,		3),
459 	/* 15 */ SYSENT_CI("chmod",		chmod,		2),
460 	/* 16 */ SYSENT_CI("chown",		chown,		3),
461 	/* 17 */ SYSENT_CI("brk",		brk,		1),
462 	/* 18 */ SYSENT_CI("stat",		stat,		2),
463 	/* 19 */ IF_LP64(
464 			SYSENT_CL("lseek",	lseek64,	3),
465 			SYSENT_CL("lseek",	lseek32,	3)),
466 	/* 20 */ SYSENT_2CI("getpid",		getpid,		0),
467 	/* 21 */ SYSENT_AP("mount",		mount,		8),
468 	/* 22 */ SYSENT_CL("readlinkat",	readlinkat,	4),
469 	/* 23 */ SYSENT_CI("setuid",		setuid,		1),
470 	/* 24 */ SYSENT_2CI("getuid",		getuid,		0),
471 	/* 25 */ SYSENT_CI("stime",		stime,		1),
472 	/* 26 */ SYSENT_CL("pcsample",		pcsample,	2),
473 	/* 27 */ SYSENT_CI("alarm",		alarm,		1),
474 	/* 28 */ SYSENT_CI("fstat",		fstat,		2),
475 	/* 29 */ SYSENT_CI("pause",		pause,		0),
476 	/* 30 */ SYSENT_LOADABLE(),			/* (was utime) */
477 	/* 31 */ SYSENT_CI("stty",		stty,		2),
478 	/* 32 */ SYSENT_CI("gtty",		gtty,		2),
479 	/* 33 */ SYSENT_CI("access",		access,		2),
480 	/* 34 */ SYSENT_CI("nice",		nice,		1),
481 	/* 35 */ IF_LP64(
482 			SYSENT_NOSYS(),
483 			SYSENT_CI("statfs",	statfs32,	4)),
484 	/* 36 */ SYSENT_CI("sync",		syssync,	0),
485 	/* 37 */ SYSENT_CI("kill",		kill,		2),
486 	/* 38 */ IF_LP64(
487 			SYSENT_NOSYS(),
488 			SYSENT_CI("fstatfs",	fstatfs32,	4)),
489 	/* 39 */ SYSENT_CI("setpgrp",		setpgrp,	3),
490 	/* 40 */ SYSENT_CI("uucopystr",		uucopystr,	3),
491 	/* 41 */ SYSENT_LOADABLE(),			/* (was dup) */
492 	/* 42 */ SYSENT_LOADABLE(),			/* pipe */
493 	/* 43 */ SYSENT_CL("times",		times,		1),
494 	/* 44 */ SYSENT_CI("prof",		profil,		4),
495 	/* 45 */ SYSENT_CI("faccessat",		faccessat,	4),
496 	/* 46 */ SYSENT_CI("setgid",		setgid,		1),
497 	/* 47 */ SYSENT_2CI("getgid",		getgid,		0),
498 	/* 48 */ SYSENT_CI("mknodat",		mknodat,	4),
499 	/* 49 */ SYSENT_LOADABLE(),			/* msgsys */
500 	/* 50 */ IF_x86(
501 			SYSENT_CI("sysi86",	sysi86,		4),
502 			SYSENT_LOADABLE()),		/* (was sys3b) */
503 	/* 51 */ SYSENT_LOADABLE(),			/* sysacct */
504 	/* 52 */ SYSENT_LOADABLE(),			/* shmsys */
505 	/* 53 */ SYSENT_LOADABLE(),			/* semsys */
506 	/* 54 */ SYSENT_CI("ioctl",		ioctl,		3),
507 	/* 55 */ SYSENT_CI("uadmin",		uadmin,		3),
508 	/* 56 */ SYSENT_CI("fchownat",		fchownat,	5),
509 	/* 57 */ IF_LP64(
510 			SYSENT_2CI("utssys",	utssys64,	4),
511 			SYSENT_2CI("utssys",	utssys32,	4)),
512 	/* 58 */ SYSENT_CI("fdsync",		fdsync,		2),
513 	/* 59 */ SYSENT_CI("exece",		exece,		3),
514 	/* 60 */ SYSENT_CI("umask",		umask,		1),
515 	/* 61 */ SYSENT_CI("chroot",		chroot,		1),
516 	/* 62 */ SYSENT_CI("fcntl",		fcntl,		3),
517 	/* 63 */ SYSENT_CI("ulimit",		ulimit,		2),
518 	/* 64 */ SYSENT_CI("renameat",		renameat,	4),
519 	/* 65 */ SYSENT_CI("unlinkat",		unlinkat,	3),
520 	/* 66 */ SYSENT_CI("fstatat",		fstatat,	4),
521 	/* 67 */ IF_LP64(
522 			SYSENT_NOSYS(),
523 			SYSENT_CI("fstatat64",	fstatat64, 	4)),
524 	/* 68 */ SYSENT_CI("openat",		openat,		4),
525 	/* 69 */ IF_LP64(
526 			SYSENT_NOSYS(),
527 			SYSENT_CI("openat64",	openat64,	4)),
528 	/* 70 */ SYSENT_CI("tasksys",		tasksys,	5),
529 	/* 71 */ SYSENT_LOADABLE(),		/* acctctl */
530 	/* 72 */ SYSENT_LOADABLE(),		/* exacct */
531 	/* 73 */ SYSENT_CI("getpagesizes",	getpagesizes,	3),
532 	/* 74 */ SYSENT_CI("rctlsys",		rctlsys,	6),
533 	/* 75 */ SYSENT_2CI("sidsys",		sidsys,		4),
534 	/* 76 */ SYSENT_LOADABLE(),			/* (was fsat) */
535 	/* 77 */ SYSENT_CI("lwp_park",		syslwp_park,	3),
536 	/* 78 */ SYSENT_CL("sendfilev",		sendfilev,	5),
537 	/* 79 */ SYSENT_CI("rmdir",		rmdir,		1),
538 	/* 80 */ SYSENT_CI("mkdir",		mkdir,		2),
539 	/* 81 */ IF_LP64(
540 			SYSENT_CI("getdents",	getdents64,	3),
541 			SYSENT_CI("getdents",	getdents32,	3)),
542 	/* 82 */ SYSENT_CI("privsys",		privsys,	6),
543 	/* 83 */ SYSENT_CI("ucredsys",		ucredsys,	3),
544 	/* 84 */ SYSENT_CI("sysfs",		sysfs,		3),
545 	/* 85 */ SYSENT_CI("getmsg",		getmsg,		4),
546 	/* 86 */ SYSENT_CI("putmsg",		putmsg,		4),
547 	/* 87 */ SYSENT_LOADABLE(),			/* (was poll) */
548 	/* 88 */ SYSENT_CI("lstat",		lstat,		2),
549 	/* 89 */ SYSENT_CI("symlink",		symlink,	2),
550 	/* 90 */ SYSENT_CL("readlink",		readlink,	3),
551 	/* 91 */ SYSENT_CI("setgroups",		setgroups,	2),
552 	/* 92 */ SYSENT_CI("getgroups",		getgroups,	2),
553 	/* 93 */ SYSENT_CI("fchmod",		fchmod,		2),
554 	/* 94 */ SYSENT_CI("fchown",		fchown,		3),
555 	/* 95 */ SYSENT_CI("sigprocmask",	sigprocmask,	3),
556 	/* 96 */ SYSENT_CI("sigsuspend",	sigsuspend,	1),
557 	/* 97 */ SYSENT_CI("sigaltstack",	sigaltstack,	2),
558 	/* 98 */ SYSENT_CI("sigaction",		sigaction,	3),
559 	/* 99 */ SYSENT_CI("sigpending",	sigpending,	2),
560 	/* 100 */ SYSENT_CI("getsetcontext",	getsetcontext,	2),
561 	/* 101 */ SYSENT_CI("fchmodat",		fchmodat,	4),
562 	/* 102 */ SYSENT_CI("mkdirat",		mkdirat,	3),
563 	/* 103 */ SYSENT_CI("statvfs",		statvfs,	2),
564 	/* 104 */ SYSENT_CI("fstatvfs",		fstatvfs,	2),
565 	/* 105 */ SYSENT_CI("getloadavg",	getloadavg,	2),
566 /* ONC_PLUS EXTRACT START */
567 	/* 106 */ SYSENT_LOADABLE(),		/* nfssys */
568 /* ONC_PLUS EXTRACT END */
569 	/* 107 */ SYSENT_CI("waitsys",		waitsys,	4),
570 	/* 108 */ SYSENT_CI("sigsendset",	sigsendsys,	2),
571 	/* 109 */ IF_x86(
572 			SYSENT_AP("hrtsys",	hrtsys,		5),
573 			SYSENT_LOADABLE()),
574 	/* 110 */ SYSENT_CI("utimesys",		utimesys,	5),
575 	/* 111 */ SYSENT_CI("sigresend",	sigresend,	3),
576 	/* 112 */ SYSENT_CL("priocntlsys",	priocntlsys,	5),
577 	/* 113 */ SYSENT_CL("pathconf",		pathconf,	2),
578 	/* 114 */ SYSENT_CI("mincore",		mincore,	3),
579 	/* 115 */ IF_LP64(
580 			SYSENT_CL("mmap",	smmap64,	6),
581 			SYSENT_CL("mmap",	smmap32,	6)),
582 	/* 116 */ SYSENT_CI("mprotect",		mprotect,	3),
583 	/* 117 */ SYSENT_CI("munmap",		munmap,		2),
584 	/* 118 */ SYSENT_CL("fpathconf",	fpathconf,	2),
585 	/* 119 */ SYSENT_2CI("vfork",		vfork,		0),
586 	/* 120 */ SYSENT_CI("fchdir",		fchdir,		1),
587 	/* 121 */ SYSENT_CL("readv",		readv,		3),
588 	/* 122 */ SYSENT_CL("writev",		writev,		3),
589 	/* 123 */ SYSENT_LOADABLE(),			/* (was xstat) */
590 	/* 124 */ SYSENT_LOADABLE(),			/* (was lxstat) */
591 	/* 125 */ SYSENT_LOADABLE(),			/* (was fxstat) */
592 	/* 126 */ SYSENT_LOADABLE(),			/* (was xmknod) */
593 	/* 127 */ SYSENT_CI("mmapobj",		mmapobjsys,	5),
594 	/* 128 */ IF_LP64(
595 			SYSENT_CI("setrlimit",	setrlimit64,	2),
596 			SYSENT_CI("setrlimit",	setrlimit32,	2)),
597 	/* 129 */ IF_LP64(
598 			SYSENT_CI("getrlimit",	getrlimit64,	2),
599 			SYSENT_CI("getrlimit",	getrlimit32,	2)),
600 	/* 130 */ SYSENT_CI("lchown",		lchown,		3),
601 	/* 131 */ SYSENT_CI("memcntl",		memcntl,	6),
602 	/* 132 */ SYSENT_CI("getpmsg",		getpmsg,	5),
603 	/* 133 */ SYSENT_CI("putpmsg",		putpmsg,	5),
604 	/* 134 */ SYSENT_CI("rename",		rename,		2),
605 	/* 135 */ SYSENT_CI("uname",		uname,		1),
606 	/* 136 */ SYSENT_CI("setegid",		setegid,	1),
607 	/* 137 */ SYSENT_CL("sysconfig",	sysconfig,	1),
608 	/* 138 */ SYSENT_CI("adjtime",		adjtime,	2),
609 	/* 139 */ SYSENT_CL("systeminfo",	systeminfo,	3),
610 	/* 140 */ SYSENT_LOADABLE(),		/* sharefs */
611 	/* 141 */ SYSENT_CI("seteuid",		seteuid,	1),
612 	/* 142 */ SYSENT_2CI("forksys",		forksys,	2),
613 	/* 143 */ SYSENT_LOADABLE(),			/* (was fork1) */
614 	/* 144 */ SYSENT_CI("sigtimedwait",	sigtimedwait,	3),
615 	/* 145 */ SYSENT_CI("lwp_info",		lwp_info,	1),
616 	/* 146 */ SYSENT_CI("yield",		yield,		0),
617 	/* 147 */ SYSENT_LOADABLE(),		    /* (was lwp_sema_wait) */
618 	/* 148 */ SYSENT_CI("lwp_sema_post",	lwp_sema_post,	1),
619 	/* 149 */ SYSENT_CI("lwp_sema_trywait",	lwp_sema_trywait, 1),
620 	/* 150 */ SYSENT_CI("lwp_detach",	lwp_detach,	1),
621 	/* 151 */ SYSENT_CI("corectl",		corectl,	4),
622 	/* 152 */ SYSENT_CI("modctl",		modctl,		6),
623 	/* 153 */ SYSENT_CI("fchroot",		fchroot,	1),
624 	/* 154 */ SYSENT_LOADABLE(),			/* (was utimes) */
625 	/* 155 */ SYSENT_CI("vhangup",		vhangup,	0),
626 	/* 156 */ SYSENT_CI("gettimeofday",	gettimeofday,	1),
627 	/* 157 */ SYSENT_CI("getitimer",	getitimer,	2),
628 	/* 158 */ SYSENT_CI("setitimer",	setitimer,	3),
629 	/* 159 */ SYSENT_CI("lwp_create",	syslwp_create,	3),
630 	/* 160 */ SYSENT_CI("lwp_exit",	(int (*)())syslwp_exit,	0),
631 	/* 161 */ SYSENT_CI("lwp_suspend",	syslwp_suspend,	1),
632 	/* 162 */ SYSENT_CI("lwp_continue",	syslwp_continue, 1),
633 	/* 163 */ SYSENT_CI("lwp_kill",		lwp_kill,	2),
634 	/* 164 */ SYSENT_CI("lwp_self",		lwp_self,	0),
635 	/* 165 */ SYSENT_2CI("lwp_sigmask",	lwp_sigmask,	5),
636 	/* 166 */ IF_x86(
637 			SYSENT_CI("lwp_private", syslwp_private, 3),
638 			SYSENT_NOSYS()),
639 	/* 167 */ SYSENT_CI("lwp_wait",		lwp_wait,	2),
640 	/* 168 */ SYSENT_CI("lwp_mutex_wakeup",	lwp_mutex_wakeup,	2),
641 	/* 169 */ SYSENT_LOADABLE(),		    /* (was lwp_mutex_lock) */
642 	/* 170 */ SYSENT_CI("lwp_cond_wait",	lwp_cond_wait,		4),
643 	/* 171 */ SYSENT_CI("lwp_cond_signal",	lwp_cond_signal,	1),
644 	/* 172 */ SYSENT_CI("lwp_cond_broadcast", lwp_cond_broadcast,	1),
645 	/* 173 */ SYSENT_CL("pread",		pread,		4),
646 	/* 174 */ SYSENT_CL("pwrite ",		pwrite,		4),
647 	/*
648 	 * The 64-bit C library maps llseek() to lseek(), so this
649 	 * is needed as a native syscall only on the 32-bit kernel.
650 	 */
651 	/* 175 */ IF_LP64(
652 			SYSENT_NOSYS(),
653 			SYSENT_C("llseek",	llseek32,	4)),
654 	/* 176 */ SYSENT_LOADABLE(),		/* inst_sync */
655 	/* 177 */ SYSENT_CI("brandsys",		brandsys,	6),
656 	/* 178 */ SYSENT_LOADABLE(),		/* kaio */
657 	/* 179 */ SYSENT_LOADABLE(),		/* cpc */
658 	/* 180 */ SYSENT_CI("lgrpsys",		lgrpsys,	3),
659 	/* 181 */ SYSENT_CI("rusagesys",	rusagesys, 	5),
660 	/* 182 */ SYSENT_LOADABLE(),		/* portfs */
661 	/* 183 */ SYSENT_CI("pollsys",		pollsys,	4),
662 	/* 184 */ SYSENT_CI("labelsys",		labelsys,	5),
663 	/* 185 */ SYSENT_CI("acl",		acl,		4),
664 	/* 186 */ SYSENT_AP("auditsys",		auditsys,	6),
665 	/* 187 */ SYSENT_CI("processor_bind",	processor_bind,	4),
666 	/* 188 */ SYSENT_CI("processor_info",	processor_info,	2),
667 	/* 189 */ SYSENT_CI("p_online",		p_online,	2),
668 	/* 190 */ SYSENT_CI("sigqueue",		sigqueue,	5),
669 	/* 191 */ SYSENT_CI("clock_gettime",	clock_gettime,	2),
670 	/* 192 */ SYSENT_CI("clock_settime",	clock_settime,	2),
671 	/* 193 */ SYSENT_CI("clock_getres",	clock_getres,	2),
672 	/* 194 */ SYSENT_CI("timer_create",	timer_create,	3),
673 	/* 195 */ SYSENT_CI("timer_delete",	timer_delete,	1),
674 	/* 196 */ SYSENT_CI("timer_settime",	timer_settime,	4),
675 	/* 197 */ SYSENT_CI("timer_gettime",	timer_gettime,	2),
676 	/* 198 */ SYSENT_CI("timer_getoverrun",	timer_getoverrun, 1),
677 	/* 199 */ SYSENT_CI("nanosleep",	nanosleep,	2),
678 	/* 200 */ SYSENT_CI("facl",		facl,		4),
679 	/* 201 */ SYSENT_LOADABLE(),		/* door */
680 	/* 202 */ SYSENT_CI("setreuid",		setreuid,	2),
681 	/* 203 */ SYSENT_CI("setregid",		setregid,	2),
682 	/* 204 */ SYSENT_CI("install_utrap",	install_utrap,	3),
683 	/* 205 */ SYSENT_CI("signotify",	signotify,	3),
684 	/* 206 */ SYSENT_CL("schedctl",		schedctl,	0),
685 	/* 207 */ SYSENT_LOADABLE(),		/* pset */
686 	/* 208 */ IF_sparc(
687 		SYSENT_CI("sparc_utrap_install", sparc_utrap_install, 5),
688 		SYSENT_NOSYS()),
689 	/* 209 */ SYSENT_CI("resolvepath",	resolvepath,	3),
690 	/* 210 */ SYSENT_CI("lwp_mutex_timedlock", lwp_mutex_timedlock,	3),
691 	/* 211 */ SYSENT_CI("lwp_sema_timedwait", lwp_sema_timedwait,	3),
692 	/* 212 */ SYSENT_CI("lwp_rwlock_sys",	lwp_rwlock_sys,	3),
693 	/*
694 	 * Syscalls 213-225: 32-bit system call support for large files.
695 	 *
696 	 * (The 64-bit C library transparently maps these system calls
697 	 * back to their native versions, so almost all of them are only
698 	 * needed as native syscalls on the 32-bit kernel).
699 	 */
700 	/* 213 */ IF_LP64(
701 			SYSENT_NOSYS(),
702 			SYSENT_CI("getdents64",	getdents64,	3)),
703 	/* 214 */ IF_LP64(
704 			SYSENT_NOSYS(),
705 			SYSENT_AP("smmaplf32",	smmaplf32,	7)),
706 	/* 215 */ IF_LP64(
707 			SYSENT_NOSYS(),
708 			SYSENT_CI("stat64",	stat64, 	2)),
709 	/* 216 */ IF_LP64(
710 			SYSENT_NOSYS(),
711 			SYSENT_CI("lstat64",	lstat64,	2)),
712 	/* 217 */ IF_LP64(
713 			SYSENT_NOSYS(),
714 			SYSENT_CI("fstat64", 	fstat64, 	2)),
715 	/* 218 */ IF_LP64(
716 			SYSENT_NOSYS(),
717 			SYSENT_CI("statvfs64", 	statvfs64, 	2)),
718 	/* 219 */ IF_LP64(
719 			SYSENT_NOSYS(),
720 			SYSENT_CI("fstatvfs64",	fstatvfs64, 	2)),
721 	/* 220 */ IF_LP64(
722 			SYSENT_NOSYS(),
723 			SYSENT_CI("setrlimit64", setrlimit64, 	2)),
724 	/* 221 */ IF_LP64(
725 			SYSENT_NOSYS(),
726 			SYSENT_CI("getrlimit64", getrlimit64, 	2)),
727 	/* 222 */ IF_LP64(
728 			SYSENT_NOSYS(),
729 			SYSENT_CI("pread64",	pread64, 	5)),
730 	/* 223 */ IF_LP64(
731 			SYSENT_NOSYS(),
732 			SYSENT_CI("pwrite64", 	pwrite64, 	5)),
733 	/* 224 */ SYSENT_LOADABLE(),			/* (was creat64) */
734 	/* 225 */ IF_LP64(
735 			SYSENT_NOSYS(),
736 			SYSENT_CI("open64",	open64,		3)),
737 	/* 226 */ SYSENT_LOADABLE(),		/* rpcsys */
738 	/* 227 */ SYSENT_CL("zone",		zone,		5),
739 	/* 228 */ SYSENT_LOADABLE(),		/* autofssys */
740 	/* 229 */ SYSENT_CI("getcwd",		getcwd,		2),
741 	/* 230 */ SYSENT_CI("so_socket",	so_socket,	5),
742 	/* 231 */ SYSENT_CI("so_socketpair",	so_socketpair,	1),
743 	/* 232 */ SYSENT_CI("bind",		bind,		4),
744 	/* 233 */ SYSENT_CI("listen",		listen,		3),
745 	/* 234 */ SYSENT_CI("accept",		accept,		4),
746 	/* 235 */ SYSENT_CI("connect",		connect,	4),
747 	/* 236 */ SYSENT_CI("shutdown",		shutdown,	3),
748 	/* 237 */ SYSENT_CL("recv",		recv,		4),
749 	/* 238 */ SYSENT_CL("recvfrom",		recvfrom,	6),
750 	/* 239 */ SYSENT_CL("recvmsg",		recvmsg,	3),
751 	/* 240 */ SYSENT_CL("send",		send,		4),
752 	/* 241 */ SYSENT_CL("sendmsg",		sendmsg,	3),
753 	/* 242 */ SYSENT_CL("sendto",		sendto,		6),
754 	/* 243 */ SYSENT_CI("getpeername",	getpeername,	4),
755 	/* 244 */ SYSENT_CI("getsockname",	getsockname,	4),
756 	/* 245 */ SYSENT_CI("getsockopt",	getsockopt,	6),
757 	/* 246 */ SYSENT_CI("setsockopt",	setsockopt,	6),
758 	/* 247 */ SYSENT_CI("sockconfig",	sockconfig,	5),
759 	/* 248 */ SYSENT_CI("ntp_gettime",	ntp_gettime,	1),
760 	/* 249 */ SYSENT_CI("ntp_adjtime",	ntp_adjtime,	1),
761 	/* 250 */ SYSENT_CI("lwp_mutex_unlock",	lwp_mutex_unlock,	1),
762 	/* 251 */ SYSENT_CI("lwp_mutex_trylock", lwp_mutex_trylock,	2),
763 	/* 252 */ SYSENT_CI("lwp_mutex_register", lwp_mutex_register,	2),
764 	/* 253 */ SYSENT_CI("cladm",		cladm,		3),
765 	/* 254 */ SYSENT_CI("uucopy",		uucopy,		3),
766 	/* 255 */ SYSENT_CI("umount2",		umount2,	2)
767 /* ONC_PLUS EXTRACT START */
768 };
769 /* ONC_PLUS EXTRACT END */
770 
771 
772 #ifdef _SYSCALL32_IMPL
773 
774 extern int ulimit32(int, int);
775 extern ssize_t read32(int32_t, caddr32_t, size32_t);
776 extern ssize_t write32(int32_t, caddr32_t, size32_t);
777 extern ssize_t pread32(int32_t, caddr32_t, size32_t, off32_t);
778 extern ssize_t pwrite32(int32_t, caddr32_t, size32_t, off32_t);
779 extern ssize_t readv32(int32_t, caddr32_t, int32_t);
780 extern ssize_t writev32(int32_t, caddr32_t, int32_t);
781 extern ssize_t readlink32(caddr32_t, caddr32_t, size32_t);
782 extern ssize_t readlinkat32(int, caddr32_t, caddr32_t, size32_t);
783 extern int open32(char *, int, int);
784 extern int openat32(int, char *, int, int);
785 extern int stat32(char *, struct stat32 *);
786 extern int fstatat32(int, char *, struct stat32 *, int);
787 extern int lstat32(char *, struct stat32 *);
788 extern int fstat32(int, struct stat32 *);
789 extern int fstatat64_32(int, char *, struct stat64_32 *, int);
790 extern int stat64_32(char *, struct stat64_32 *);
791 extern int lstat64_32(char *, struct stat64_32 *);
792 extern int fstat64_32(int, struct stat64_32 *);
793 extern int getmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t *);
794 extern int putmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t *);
795 extern int getpmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t *,
796     int32_t *);
797 extern int putpmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t,
798     int32_t);
799 extern int getsetcontext32(int, void *);
800 extern int statvfs32(char *, struct statvfs32 *);
801 extern int fstatvfs32(int, struct statvfs32 *);
802 extern int statvfs64_32(char *, struct statvfs64_32 *);
803 extern int fstatvfs64_32(int, struct statvfs64_32 *);
804 extern int sigaction32(int, struct sigaction32 *, struct sigaction32 *);
805 extern clock32_t times32(struct tms32 *);
806 extern int stime32(time32_t);
807 extern int getpagesizes32(int, size32_t *, int);
808 extern int sigaltstack32(struct sigaltstack32 *, struct sigaltstack32 *);
809 extern int sigqueue32(pid_t, int, caddr32_t, int, int);
810 extern offset_t	llseek32(int32_t, uint32_t, uint32_t, int);
811 extern int waitsys32(idtype_t, id_t, siginfo_t *, int);
812 
813 extern ssize_t recv32(int32_t, caddr32_t, size32_t, int32_t);
814 extern ssize_t recvfrom32(int32_t, caddr32_t, size32_t, int32_t, caddr32_t,
815     caddr32_t);
816 extern ssize_t send32(int32_t, caddr32_t, size32_t, int32_t);
817 extern ssize_t sendto32(int32_t, caddr32_t, size32_t, int32_t, caddr32_t,
818     socklen_t);
819 
820 extern int privsys32(int, priv_op_t, priv_ptype_t, caddr32_t, size32_t, int);
821 extern int ucredsys32(int, int, caddr32_t);
822 
823 /* ONC_PLUS EXTRACT START */
824 /*
825  * sysent table for ILP32 processes running on
826  * a LP64 kernel.
827  */
828 struct sysent sysent32[NSYSCALL] =
829 {
830 /* ONC_PLUS EXTRACT END */
831 	/*  0 */ SYSENT_C("indir",		indir,		1),
832 	/*  1 */ SYSENT_CI("exit",	(int (*)())rexit,	1),
833 	/*  2 */ SYSENT_LOADABLE32(),			/* (was forkall) */
834 	/*  3 */ SYSENT_CI("read",		read32,		3),
835 	/*  4 */ SYSENT_CI("write",		write32,	3),
836 	/*  5 */ SYSENT_CI("open",		open32,		3),
837 	/*  6 */ SYSENT_CI("close",		close,		1),
838 	/*  7 */ SYSENT_CI("linkat",		linkat,		5),
839 	/*  8 */ SYSENT_LOADABLE32(),			/* (was creat32) */
840 	/*  9 */ SYSENT_CI("link",		link,		2),
841 	/* 10 */ SYSENT_CI("unlink",		unlink,		1),
842 	/* 11 */ SYSENT_CI("symlinkat",		symlinkat,	3),
843 	/* 12 */ SYSENT_CI("chdir",		chdir,		1),
844 	/* 13 */ SYSENT_CI("time",		gtime,		0),
845 	/* 14 */ SYSENT_CI("mknod",		mknod,		3),
846 	/* 15 */ SYSENT_CI("chmod",		chmod,		2),
847 	/* 16 */ SYSENT_CI("chown",		chown,		3),
848 	/* 17 */ SYSENT_CI("brk",		brk,		1),
849 	/* 18 */ SYSENT_CI("stat",		stat32,		2),
850 	/* 19 */ SYSENT_CI("lseek",		lseek32,	3),
851 	/* 20 */ SYSENT_2CI("getpid",		getpid,		0),
852 	/* 21 */ SYSENT_AP("mount",		mount,		8),
853 	/* 22 */ SYSENT_CI("readlinkat",	readlinkat32,	4),
854 	/* 23 */ SYSENT_CI("setuid",		setuid,		1),
855 	/* 24 */ SYSENT_2CI("getuid",		getuid,		0),
856 	/* 25 */ SYSENT_CI("stime",		stime32,	1),
857 	/* 26 */ SYSENT_CI("pcsample",		pcsample,	2),
858 	/* 27 */ SYSENT_CI("alarm",		alarm,		1),
859 	/* 28 */ SYSENT_CI("fstat",		fstat32,	2),
860 	/* 29 */ SYSENT_CI("pause",		pause,		0),
861 	/* 30 */ SYSENT_LOADABLE32(),			/* (was utime) */
862 	/* 31 */ SYSENT_CI("stty",		stty,		2),
863 	/* 32 */ SYSENT_CI("gtty",		gtty,		2),
864 	/* 33 */ SYSENT_CI("access",		access,		2),
865 	/* 34 */ SYSENT_CI("nice",		nice,		1),
866 	/* 35 */ SYSENT_CI("statfs",		statfs32,	4),
867 	/* 36 */ SYSENT_CI("sync",		syssync,	0),
868 	/* 37 */ SYSENT_CI("kill",		kill,		2),
869 	/* 38 */ SYSENT_CI("fstatfs",		fstatfs32,	4),
870 	/* 39 */ SYSENT_CI("setpgrp",		setpgrp,	3),
871 	/* 40 */ SYSENT_CI("uucopystr",		uucopystr,	3),
872 	/* 41 */ SYSENT_LOADABLE32(),			/* (was dup) */
873 	/* 42 */ SYSENT_LOADABLE32(),			/* pipe */
874 	/* 43 */ SYSENT_CI("times",		times32,	1),
875 	/* 44 */ SYSENT_CI("prof",		profil,		4),
876 	/* 45 */ SYSENT_CI("faccessat",		faccessat,	4),
877 	/* 46 */ SYSENT_CI("setgid",		setgid,		1),
878 	/* 47 */ SYSENT_2CI("getgid",		getgid,		0),
879 	/* 48 */ SYSENT_CI("mknodat",		mknodat,	4),
880 	/* 49 */ SYSENT_LOADABLE32(),			/* msgsys */
881 	/* 50 */ IF_386_ABI(
882 			SYSENT_CI("sysi86",	sysi86,		4),
883 			SYSENT_LOADABLE32()),		/* (was sys3b) */
884 	/* 51 */ SYSENT_LOADABLE32(),			/* sysacct */
885 	/* 52 */ SYSENT_LOADABLE32(),			/* shmsys */
886 	/* 53 */ SYSENT_LOADABLE32(),			/* semsys */
887 	/* 54 */ SYSENT_CI("ioctl",		ioctl,		3),
888 	/* 55 */ SYSENT_CI("uadmin",		uadmin,		3),
889 	/* 56 */ SYSENT_CI("fchownat",		fchownat,	5),
890 	/* 57 */ SYSENT_2CI("utssys",		utssys32,	4),
891 	/* 58 */ SYSENT_CI("fdsync",		fdsync,		2),
892 	/* 59 */ SYSENT_CI("exece",		exece,		3),
893 	/* 60 */ SYSENT_CI("umask",		umask,		1),
894 	/* 61 */ SYSENT_CI("chroot",		chroot,		1),
895 	/* 62 */ SYSENT_CI("fcntl",		fcntl,		3),
896 	/* 63 */ SYSENT_CI("ulimit",		ulimit32,	2),
897 	/* 64 */ SYSENT_CI("renameat",		renameat,	4),
898 	/* 65 */ SYSENT_CI("unlinkat",		unlinkat,	3),
899 	/* 66 */ SYSENT_CI("fstatat",		fstatat32,	4),
900 	/* 67 */ SYSENT_CI("fstatat64", 	fstatat64_32, 	4),
901 	/* 68 */ SYSENT_CI("openat",		openat32,	4),
902 	/* 69 */ SYSENT_CI("openat64",		openat64,	4),
903 	/* 70 */ SYSENT_CI("tasksys",		tasksys,	5),
904 	/* 71 */ SYSENT_LOADABLE32(),		/* acctctl */
905 	/* 72 */ SYSENT_LOADABLE32(),		/* exacct */
906 	/* 73 */ SYSENT_CI("getpagesizes",	getpagesizes32,	3),
907 	/* 74 */ SYSENT_CI("rctlsys",		rctlsys,	6),
908 	/* 75 */ SYSENT_2CI("sidsys",		sidsys,		4),
909 	/* 76 */ SYSENT_LOADABLE32(),			/* (was fsat) */
910 	/* 77 */ SYSENT_CI("lwp_park",		syslwp_park,	3),
911 	/* 78 */ SYSENT_CI("sendfilev",		sendfilev,	5),
912 	/* 79 */ SYSENT_CI("rmdir",		rmdir,		1),
913 	/* 80 */ SYSENT_CI("mkdir",		mkdir,		2),
914 	/* 81 */ SYSENT_CI("getdents",		getdents32,	3),
915 	/* 82 */ SYSENT_CI("privsys",		privsys32,	6),
916 	/* 83 */ SYSENT_CI("ucredsys",		ucredsys32,	3),
917 	/* 84 */ SYSENT_CI("sysfs",		sysfs,		3),
918 	/* 85 */ SYSENT_CI("getmsg",		getmsg32,	4),
919 	/* 86 */ SYSENT_CI("putmsg",		putmsg32,	4),
920 	/* 87 */ SYSENT_LOADABLE32(),			/* (was poll) */
921 	/* 88 */ SYSENT_CI("lstat",		lstat32,	2),
922 	/* 89 */ SYSENT_CI("symlink",		symlink,	2),
923 	/* 90 */ SYSENT_CI("readlink",		readlink32,	3),
924 	/* 91 */ SYSENT_CI("setgroups",		setgroups,	2),
925 	/* 92 */ SYSENT_CI("getgroups",		getgroups,	2),
926 	/* 93 */ SYSENT_CI("fchmod",		fchmod,		2),
927 	/* 94 */ SYSENT_CI("fchown",		fchown,		3),
928 	/* 95 */ SYSENT_CI("sigprocmask",	sigprocmask,	3),
929 	/* 96 */ SYSENT_CI("sigsuspend",	sigsuspend,	1),
930 	/* 97 */ SYSENT_CI("sigaltstack",	sigaltstack32,	2),
931 	/* 98 */ SYSENT_CI("sigaction",		sigaction32,	3),
932 	/* 99 */ SYSENT_CI("sigpending",	sigpending,	2),
933 	/* 100 */ SYSENT_CI("getsetcontext",	getsetcontext32, 2),
934 	/* 101 */ SYSENT_CI("fchmodat",		fchmodat,	4),
935 	/* 102 */ SYSENT_CI("mkdirat",		mkdirat,	3),
936 	/* 103 */ SYSENT_CI("statvfs",		statvfs32,	2),
937 	/* 104 */ SYSENT_CI("fstatvfs",		fstatvfs32,	2),
938 	/* 105 */ SYSENT_CI("getloadavg",	getloadavg,	2),
939 /* ONC_PLUS EXTRACT START */
940 	/* 106 */ SYSENT_LOADABLE32(),		/* nfssys */
941 /* ONC_PLUS EXTRACT END */
942 	/* 107 */ SYSENT_CI("waitsys",		waitsys32,	4),
943 	/* 108 */ SYSENT_CI("sigsendset",	sigsendsys,	2),
944 	/* 109 */ IF_x86(
945 			SYSENT_AP("hrtsys",	hrtsys,		5),
946 			SYSENT_LOADABLE32()),
947 	/* 110 */ SYSENT_CI("utimesys",		utimesys,	5),
948 	/* 111 */ SYSENT_CI("sigresend",	sigresend,	3),
949 	/* 112 */ SYSENT_CI("priocntlsys",	priocntlsys,	5),
950 	/* 113 */ SYSENT_CI("pathconf",		pathconf,	2),
951 	/* 114 */ SYSENT_CI("mincore",		mincore,	3),
952 	/* 115 */ SYSENT_CI("mmap",		smmap32,	6),
953 	/* 116 */ SYSENT_CI("mprotect",		mprotect,	3),
954 	/* 117 */ SYSENT_CI("munmap",		munmap,		2),
955 	/* 118 */ SYSENT_CI("fpathconf",	fpathconf,	2),
956 	/* 119 */ SYSENT_2CI("vfork",		vfork,		0),
957 	/* 120 */ SYSENT_CI("fchdir",		fchdir,		1),
958 	/* 121 */ SYSENT_CI("readv",		readv32,	3),
959 	/* 122 */ SYSENT_CI("writev",		writev32,	3),
960 	/* 123 */ SYSENT_LOADABLE32(),		/*	was xstat32	*/
961 	/* 124 */ SYSENT_LOADABLE32(),		/*	was lxstat32	*/
962 	/* 125 */ SYSENT_LOADABLE32(),		/*	was fxstat32	*/
963 	/* 126 */ SYSENT_LOADABLE32(),		/*	was xmknod	*/
964 	/* 127 */ SYSENT_CI("mmapobj",		mmapobjsys,	5),
965 	/* 128 */ SYSENT_CI("setrlimit",	setrlimit32,	2),
966 	/* 129 */ SYSENT_CI("getrlimit",	getrlimit32,	2),
967 	/* 130 */ SYSENT_CI("lchown",		lchown,		3),
968 	/* 131 */ SYSENT_CI("memcntl",		memcntl,	6),
969 	/* 132 */ SYSENT_CI("getpmsg",		getpmsg32,	5),
970 	/* 133 */ SYSENT_CI("putpmsg",		putpmsg32,	5),
971 	/* 134 */ SYSENT_CI("rename",		rename,		2),
972 	/* 135 */ SYSENT_CI("uname",		uname,		1),
973 	/* 136 */ SYSENT_CI("setegid",		setegid,	1),
974 	/* 137 */ SYSENT_CI("sysconfig",	sysconfig,	1),
975 	/* 138 */ SYSENT_CI("adjtime",		adjtime,	2),
976 	/* 139 */ SYSENT_CI("systeminfo",	systeminfo,	3),
977 	/* 140 */ SYSENT_LOADABLE32(),		/* sharefs */
978 	/* 141 */ SYSENT_CI("seteuid",		seteuid,	1),
979 	/* 142 */ SYSENT_2CI("forksys",		forksys,	2),
980 	/* 143 */ SYSENT_LOADABLE32(),			/* (was fork1) */
981 	/* 144 */ SYSENT_CI("sigtimedwait",	sigtimedwait,	3),
982 	/* 145 */ SYSENT_CI("lwp_info",		lwp_info,	1),
983 	/* 146 */ SYSENT_CI("yield",		yield,		0),
984 	/* 147 */ SYSENT_LOADABLE32(),		    /* (was lwp_sema_wait) */
985 	/* 148 */ SYSENT_CI("lwp_sema_post",	lwp_sema_post,	1),
986 	/* 149 */ SYSENT_CI("lwp_sema_trywait",	lwp_sema_trywait, 1),
987 	/* 150 */ SYSENT_CI("lwp_detach",	lwp_detach,	1),
988 	/* 151 */ SYSENT_CI("corectl",		corectl,	4),
989 	/* 152 */ SYSENT_CI("modctl",		modctl,		6),
990 	/* 153 */ SYSENT_CI("fchroot",		fchroot,	1),
991 	/* 154 */ SYSENT_LOADABLE32(),			/* (was utimes) */
992 	/* 155 */ SYSENT_CI("vhangup",		vhangup,	0),
993 	/* 156 */ SYSENT_CI("gettimeofday",	gettimeofday,	1),
994 	/* 157 */ SYSENT_CI("getitimer",	getitimer,	2),
995 	/* 158 */ SYSENT_CI("setitimer",	setitimer,	3),
996 	/* 159 */ SYSENT_CI("lwp_create",	syslwp_create,	3),
997 	/* 160 */ SYSENT_CI("lwp_exit",	(int (*)())syslwp_exit,	0),
998 	/* 161 */ SYSENT_CI("lwp_suspend",	syslwp_suspend,	1),
999 	/* 162 */ SYSENT_CI("lwp_continue",	syslwp_continue, 1),
1000 	/* 163 */ SYSENT_CI("lwp_kill",		lwp_kill,	2),
1001 	/* 164 */ SYSENT_CI("lwp_self",		lwp_self,	0),
1002 	/* 165 */ SYSENT_2CI("lwp_sigmask",	lwp_sigmask,	5),
1003 	/* 166 */ IF_x86(
1004 			SYSENT_CI("lwp_private", syslwp_private, 3),
1005 			SYSENT_NOSYS()),
1006 	/* 167 */ SYSENT_CI("lwp_wait",		lwp_wait,	2),
1007 	/* 168 */ SYSENT_CI("lwp_mutex_wakeup",	lwp_mutex_wakeup,	2),
1008 	/* 169 */ SYSENT_LOADABLE32(),		    /* (was lwp_mutex_lock) */
1009 	/* 170 */ SYSENT_CI("lwp_cond_wait",	lwp_cond_wait,		4),
1010 	/* 171 */ SYSENT_CI("lwp_cond_signal",	lwp_cond_signal,	1),
1011 	/* 172 */ SYSENT_CI("lwp_cond_broadcast", lwp_cond_broadcast,	1),
1012 	/* 173 */ SYSENT_CI("pread",		pread32,		4),
1013 	/* 174 */ SYSENT_CI("pwrite",		pwrite32,		4),
1014 	/* 175 */ SYSENT_C("llseek",		llseek32,	4),
1015 	/* 176 */ SYSENT_LOADABLE32(),		/* inst_sync */
1016 	/* 177 */ SYSENT_CI("brandsys",		brandsys,	6),
1017 	/* 178 */ SYSENT_LOADABLE32(),		/* kaio */
1018 	/* 179 */ SYSENT_LOADABLE32(),		/* cpc */
1019 	/* 180 */ SYSENT_CI("lgrpsys",		lgrpsys,	3),
1020 	/* 181 */ SYSENT_CI("rusagesys",	rusagesys,	5),
1021 	/* 182 */ SYSENT_LOADABLE32(),		/* portfs */
1022 	/* 183 */ SYSENT_CI("pollsys",		pollsys,	4),
1023 	/* 184 */ SYSENT_CI("labelsys",		labelsys,	5),
1024 	/* 185 */ SYSENT_CI("acl",		acl,		4),
1025 	/* 186 */ SYSENT_AP("auditsys",		auditsys,	6),
1026 	/* 187 */ SYSENT_CI("processor_bind",	processor_bind,	4),
1027 	/* 188 */ SYSENT_CI("processor_info",	processor_info,	2),
1028 	/* 189 */ SYSENT_CI("p_online",		p_online,	2),
1029 	/* 190 */ SYSENT_CI("sigqueue",		sigqueue32,	5),
1030 	/* 191 */ SYSENT_CI("clock_gettime",	clock_gettime,	2),
1031 	/* 192 */ SYSENT_CI("clock_settime",	clock_settime,	2),
1032 	/* 193 */ SYSENT_CI("clock_getres",	clock_getres,	2),
1033 	/* 194 */ SYSENT_CI("timer_create",	timer_create,	3),
1034 	/* 195 */ SYSENT_CI("timer_delete",	timer_delete,	1),
1035 	/* 196 */ SYSENT_CI("timer_settime",	timer_settime,	4),
1036 	/* 197 */ SYSENT_CI("timer_gettime",	timer_gettime,	2),
1037 	/* 198 */ SYSENT_CI("timer_getoverrun",	timer_getoverrun, 1),
1038 	/* 199 */ SYSENT_CI("nanosleep",	nanosleep,	2),
1039 	/* 200 */ SYSENT_CI("facl",		facl,		4),
1040 	/* 201 */ SYSENT_LOADABLE32(),		/* door */
1041 	/* 202 */ SYSENT_CI("setreuid",		setreuid,	2),
1042 	/* 203 */ SYSENT_CI("setregid",		setregid,	2),
1043 	/* 204 */ SYSENT_CI("install_utrap",	install_utrap,	3),
1044 	/* 205 */ SYSENT_CI("signotify",	signotify,	3),
1045 	/* 206 */ SYSENT_CI("schedctl",		schedctl,	0),
1046 	/* 207 */ SYSENT_LOADABLE32(),		/* pset */
1047 	/* 208 */ SYSENT_LOADABLE32(),
1048 	/* 209 */ SYSENT_CI("resolvepath",	resolvepath,	3),
1049 	/* 210 */ SYSENT_CI("lwp_mutex_timedlock", lwp_mutex_timedlock, 3),
1050 	/* 211 */ SYSENT_CI("lwp_sema_timedwait", lwp_sema_timedwait,	3),
1051 	/* 212 */ SYSENT_CI("lwp_rwlock_sys",	lwp_rwlock_sys,	3),
1052 	/*
1053 	 * Syscalls 213-225: 32-bit system call support for large files.
1054 	 */
1055 	/* 213 */ SYSENT_CI("getdents64",	getdents64,	3),
1056 	/* 214 */ SYSENT_AP("smmaplf32", 	smmaplf32, 	7),
1057 	/* 215 */ SYSENT_CI("stat64", 		stat64_32, 	2),
1058 	/* 216 */ SYSENT_CI("lstat64", 		lstat64_32,	2),
1059 	/* 217 */ SYSENT_CI("fstat64", 		fstat64_32, 	2),
1060 	/* 218 */ SYSENT_CI("statvfs64", 	statvfs64_32, 	2),
1061 	/* 219 */ SYSENT_CI("fstatvfs64", 	fstatvfs64_32, 	2),
1062 	/* 220 */ SYSENT_CI("setrlimit64", 	setrlimit64, 	2),
1063 	/* 221 */ SYSENT_CI("getrlimit64", 	getrlimit64, 	2),
1064 	/* 222 */ SYSENT_CI("pread64", 		pread64, 	5),
1065 	/* 223 */ SYSENT_CI("pwrite64", 	pwrite64, 	5),
1066 	/* 224 */ SYSENT_LOADABLE32(),			/* (was creat64) */
1067 	/* 225 */ SYSENT_CI("open64",		open64,		3),
1068 	/* 226 */ SYSENT_LOADABLE32(),		/* rpcsys */
1069 	/* 227 */ SYSENT_CI("zone",		zone,		6),
1070 	/* 228 */ SYSENT_LOADABLE32(),		/* autofssys */
1071 	/* 229 */ SYSENT_CI("getcwd",		getcwd,		2),
1072 	/* 230 */ SYSENT_CI("so_socket",	so_socket,	5),
1073 	/* 231 */ SYSENT_CI("so_socketpair",	so_socketpair,	1),
1074 	/* 232 */ SYSENT_CI("bind",		bind,		4),
1075 	/* 233 */ SYSENT_CI("listen",		listen,		3),
1076 	/* 234 */ SYSENT_CI("accept",		accept,		4),
1077 	/* 235 */ SYSENT_CI("connect",		connect,	4),
1078 	/* 236 */ SYSENT_CI("shutdown",		shutdown,	3),
1079 	/* 237 */ SYSENT_CI("recv",		recv32,		4),
1080 	/* 238 */ SYSENT_CI("recvfrom",		recvfrom32,	6),
1081 	/* 239 */ SYSENT_CI("recvmsg",		recvmsg,	3),
1082 	/* 240 */ SYSENT_CI("send",		send32,		4),
1083 	/* 241 */ SYSENT_CI("sendmsg",		sendmsg,	3),
1084 	/* 242 */ SYSENT_CI("sendto",		sendto32,	6),
1085 	/* 243 */ SYSENT_CI("getpeername",	getpeername,	4),
1086 	/* 244 */ SYSENT_CI("getsockname",	getsockname,	4),
1087 	/* 245 */ SYSENT_CI("getsockopt",	getsockopt,	6),
1088 	/* 246 */ SYSENT_CI("setsockopt",	setsockopt,	6),
1089 	/* 247 */ SYSENT_CI("sockconfig",	sockconfig,	5),
1090 	/* 248 */ SYSENT_CI("ntp_gettime",	ntp_gettime,	1),
1091 	/* 249 */ SYSENT_CI("ntp_adjtime",	ntp_adjtime,	1),
1092 	/* 250 */ SYSENT_CI("lwp_mutex_unlock",	lwp_mutex_unlock,	1),
1093 	/* 251 */ SYSENT_CI("lwp_mutex_trylock", lwp_mutex_trylock,	2),
1094 	/* 252 */ SYSENT_CI("lwp_mutex_register", lwp_mutex_register,	2),
1095 	/* 253 */ SYSENT_CI("cladm",		cladm,		3),
1096 	/* 254 */ SYSENT_CI("uucopy",		uucopy,		3),
1097 	/* 255 */ SYSENT_CI("umount2",		umount2,	2)
1098 /* ONC_PLUS EXTRACT START */
1099 };
1100 /* ONC_PLUS EXTRACT END */
1101 #endif /* _SYSCALL32_IMPL */
1102 
1103 /*
1104  * Space allocated and initialized in init_syscallnames().
1105  */
1106 char **syscallnames;
1107 
1108 systrace_sysent_t *systrace_sysent;
1109 void (*systrace_probe)(dtrace_id_t, uintptr_t, uintptr_t,
1110     uintptr_t, uintptr_t, uintptr_t, uintptr_t);
1111 
1112 /*ARGSUSED*/
1113 void
1114 systrace_stub(dtrace_id_t id, uintptr_t arg0, uintptr_t arg1,
1115     uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
1116 {}
1117 
1118 /*ARGSUSED*/
1119 int64_t
1120 dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
1121     uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
1122 {
1123 	systrace_sysent_t *sy = &systrace_sysent[curthread->t_sysnum];
1124 	dtrace_id_t id;
1125 	int64_t rval;
1126 	proc_t *p;
1127 
1128 	if ((id = sy->stsy_entry) != DTRACE_IDNONE)
1129 		(*systrace_probe)(id, arg0, arg1, arg2, arg3, arg4, arg5);
1130 
1131 	/*
1132 	 * We want to explicitly allow DTrace consumers to stop a process
1133 	 * before it actually executes the meat of the syscall.
1134 	 */
1135 	p = ttoproc(curthread);
1136 	mutex_enter(&p->p_lock);
1137 	if (curthread->t_dtrace_stop && !curthread->t_lwp->lwp_nostop) {
1138 		curthread->t_dtrace_stop = 0;
1139 		stop(PR_REQUESTED, 0);
1140 	}
1141 	mutex_exit(&p->p_lock);
1142 
1143 	rval = (*sy->stsy_underlying)(arg0, arg1, arg2, arg3, arg4, arg5);
1144 
1145 	if (ttolwp(curthread)->lwp_errno != 0)
1146 		rval = -1;
1147 
1148 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
1149 		(*systrace_probe)(id, (uintptr_t)rval, (uintptr_t)rval,
1150 		    (uintptr_t)((int64_t)rval >> 32), 0, 0, 0);
1151 
1152 	return (rval);
1153 }
1154 
1155 #ifdef _SYSCALL32_IMPL
1156 
1157 systrace_sysent_t *systrace_sysent32;
1158 
1159 /*ARGSUSED*/
1160 int64_t
1161 dtrace_systrace_syscall32(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
1162     uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
1163 {
1164 	systrace_sysent_t *sy = &systrace_sysent32[curthread->t_sysnum];
1165 	dtrace_id_t id;
1166 	int64_t rval;
1167 	proc_t *p;
1168 
1169 	if ((id = sy->stsy_entry) != DTRACE_IDNONE)
1170 		(*systrace_probe)(id, arg0, arg1, arg2, arg3, arg4, arg5);
1171 
1172 	/*
1173 	 * We want to explicitly allow DTrace consumers to stop a process
1174 	 * before it actually executes the meat of the syscall.
1175 	 */
1176 	p = ttoproc(curthread);
1177 	mutex_enter(&p->p_lock);
1178 	if (curthread->t_dtrace_stop && !curthread->t_lwp->lwp_nostop) {
1179 		curthread->t_dtrace_stop = 0;
1180 		stop(PR_REQUESTED, 0);
1181 	}
1182 	mutex_exit(&p->p_lock);
1183 
1184 	rval = (*sy->stsy_underlying)(arg0, arg1, arg2, arg3, arg4, arg5);
1185 
1186 	if (ttolwp(curthread)->lwp_errno != 0)
1187 		rval = -1;
1188 
1189 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
1190 		(*systrace_probe)(id, (uintptr_t)rval, (uintptr_t)rval,
1191 		    (uintptr_t)((uint64_t)rval >> 32), 0, 0, 0);
1192 
1193 	return (rval);
1194 }
1195 
1196 #endif
1197 
1198 void
1199 dtrace_systrace_rtt(void)
1200 {
1201 	systrace_sysent_t *sy;
1202 	dtrace_id_t id;
1203 
1204 	if (get_udatamodel() == DATAMODEL_NATIVE) {
1205 		if (systrace_sysent == NULL)
1206 			return;
1207 
1208 		sy = &systrace_sysent[curthread->t_sysnum];
1209 #ifdef _SYSCALL32_IMPL
1210 	} else {
1211 		if (systrace_sysent32 == NULL)
1212 			return;
1213 
1214 		sy = &systrace_sysent32[curthread->t_sysnum];
1215 #endif
1216 	}
1217 
1218 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
1219 		(*systrace_probe)(id, 0, 0, 0, 0, 0, 0);
1220 }
1221