xref: /titanic_41/usr/src/uts/common/os/sysent.c (revision 5dbfd19ad5fcc2b779f40f80fa05c1bd28fd0b4e)
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  * Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
28  */
29 
30 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
31 /*	  All Rights Reserved  	*/
32 
33 /* ONC_PLUS EXTRACT END */
34 
35 #include <sys/param.h>
36 #include <sys/types.h>
37 #include <sys/systm.h>
38 #include <sys/systrace.h>
39 #include <sys/procfs.h>
40 #include <sys/mman.h>
41 #include <sys/int_types.h>
42 #include <c2/audit.h>
43 #include <sys/stat.h>
44 #include <sys/times.h>
45 #include <sys/statfs.h>
46 #include <sys/stropts.h>
47 #include <sys/statvfs.h>
48 #include <sys/utsname.h>
49 #include <sys/timex.h>
50 #include <sys/socket.h>
51 #include <sys/sendfile.h>
52 
53 struct hrtsysa;
54 struct mmaplf32a;
55 
56 /* ONC_PLUS EXTRACT START */
57 /*
58  * This table is the switch used to transfer to the appropriate
59  * routine for processing a system call.  Each row contains the
60  * number of arguments expected, a switch that tells systrap()
61  * in trap.c whether a setjmp() is not necessary, and a pointer
62  * to the routine.
63  */
64 /* ONC_PLUS EXTRACT END */
65 
66 int	access(char *, int);
67 int	alarm(int);
68 int	auditsys(struct auditcalls *, rval_t *);
69 int64_t	brandsys(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
70     uintptr_t);
71 int	brk(caddr_t);
72 int	chdir(char *);
73 int	chmod(char *, int);
74 int	chown(char *, uid_t, gid_t);
75 int	chroot(char *);
76 int	cladm(int, int, void *);
77 int	close(int);
78 int	exece(const char *, const char **, const char **);
79 int	faccessat(int, char *, int, int);
80 int	fchmodat(int, char *, int, int);
81 int	fchownat(int, char *, uid_t, gid_t, int);
82 int	fcntl(int, int, intptr_t);
83 int64_t	vfork();
84 int64_t	forksys(int, int);
85 int	fstat(int, struct stat *);
86 int	fdsync(int, int);
87 int64_t	getgid();
88 int	ucredsys(int, int, void *);
89 int64_t	getpid();
90 int64_t	getuid();
91 time_t	gtime();
92 int	getloadavg(int *, int);
93 int	rusagesys(int, void *, void *, void *, void *);
94 int	getpagesizes(int, size_t *, int);
95 int	gtty(int, intptr_t);
96 #if defined(__i386) || defined(__amd64)
97 int	hrtsys(struct hrtsysa *, rval_t *);
98 #endif /* __i386 || __amd64 */
99 int	ioctl(int, int, intptr_t);
100 int	kill();
101 int	labelsys(int, void *, void *, void *, void *, void *);
102 int	link(char *, char *);
103 int	linkat(int, char *, int, char *, int);
104 off32_t	lseek32(int32_t, off32_t, int32_t);
105 off_t	lseek64(int, off_t, int);
106 int	lgrpsys(int, long, void *);
107 int	mmapobjsys(int, uint_t, mmapobj_result_t *, uint_t *, void *);
108 int	mknod(char *, mode_t, dev_t);
109 int	mknodat(int, char *, mode_t, dev_t);
110 int	mount(long *, rval_t *);
111 int	nice(int);
112 int	nullsys();
113 int	open(char *, int, int);
114 int	openat(int, char *, int, int);
115 int	pause();
116 long	pcsample(void *, long);
117 int	privsys(int, priv_op_t, priv_ptype_t, void *, size_t, int);
118 int	profil(unsigned short *, size_t, ulong_t, uint_t);
119 ssize_t	pread(int, void *, size_t, off_t);
120 ssize_t	pwrite(int, void *, size_t, off_t);
121 ssize_t	read(int, void *, size_t);
122 int	rename(char *, char *);
123 int	renameat(int, char *, int, char *);
124 void	rexit(int);
125 int	semsys();
126 int	setgid(gid_t);
127 int	setpgrp(int, int, int);
128 int	setuid(uid_t);
129 uintptr_t	shmsys();
130 uint64_t	sidsys(int, int, int, int);
131 int	sigprocmask(int, sigset_t *, sigset_t *);
132 int	sigsuspend(sigset_t);
133 int	sigaltstack(struct sigaltstack *, struct sigaltstack *);
134 int	sigaction(int, struct sigaction *, struct sigaction *);
135 int	sigpending(int, sigset_t *);
136 int	sigresend(int, siginfo_t *, sigset_t *);
137 int	sigtimedwait(sigset_t *, siginfo_t *, timespec_t *);
138 int	getsetcontext(int, void *);
139 int	stat(char *, struct stat *);
140 int	fstatat(int, char *, struct stat *, int);
141 int	stime(time_t);
142 int	stty(int, intptr_t);
143 int	syssync();
144 int	sysacct(char *);
145 clock_t	times(struct tms *);
146 long	ulimit(int, long);
147 int	getrlimit32(int, struct rlimit32 *);
148 int	setrlimit32(int, struct rlimit32 *);
149 int	umask(int);
150 int	umount2(char *, int);
151 int	unlink(char *);
152 int	unlinkat(int, char *, int);
153 int	utimesys(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
154 int64_t	utssys32(void *, int, int, void *);
155 int64_t	utssys64(void *, long, int, void *);
156 int	uucopy(const void *, void *, size_t);
157 ssize_t	uucopystr(const char *, char *, size_t);
158 ssize_t	write(int, void *, size_t);
159 ssize_t	readv(int, struct iovec *, int);
160 ssize_t	writev(int, struct iovec *, int);
161 int	syslwp_park(int, uintptr_t, uintptr_t);
162 int	rmdir(char *);
163 int	mkdir(char *, int);
164 int	mkdirat(int, char *, int);
165 int	getdents32(int, void *, size_t);
166 int	statfs32(char *, struct statfs32 *, int32_t, int32_t);
167 int	fstatfs32(int32_t, struct statfs32 *, int32_t, int32_t);
168 int	sysfs(int, long, long);
169 int	getmsg(int, struct strbuf *, struct strbuf *, int *);
170 int	pollsys(pollfd_t *, nfds_t, timespec_t *, sigset_t *);
171 int	putmsg(int, struct strbuf *, struct strbuf *, int);
172 int	uadmin();
173 int	lstat(char *, struct stat *);
174 int	symlink(char *, char *);
175 int	symlinkat(char *, int, char *);
176 ssize_t	readlink(char *, char *, size_t);
177 ssize_t	readlinkat(int, char *, char *, size_t);
178 int	resolvepath(char *, char *, size_t);
179 int	setgroups(int, gid_t *);
180 int	getgroups(int, gid_t *);
181 int	fchdir(int);
182 int	fchown(int, uid_t, uid_t);
183 int	fchmod(int, int);
184 int	getcwd(char *, size_t);
185 int	statvfs(char *, struct statvfs *);
186 int	fstatvfs(int, struct statvfs *);
187 offset_t llseek32(int32_t, uint32_t, uint32_t, int);
188 
189 #if (defined(__i386) && !defined(__amd64)) || defined(__i386_COMPAT)
190 int	sysi86(short, uintptr_t, uintptr_t, uintptr_t);
191 #endif
192 
193 int	acl(const char *, int, int, void *);
194 int	facl(int, int, int, void *);
195 long	priocntlsys(int, procset_t *, int, caddr_t, caddr_t);
196 int	waitsys(idtype_t, id_t, siginfo_t *, int);
197 int	sigsendsys(procset_t *, int);
198 int	mincore(caddr_t, size_t, char *);
199 caddr_t	smmap64(caddr_t, size_t, int, int, int, off_t);
200 caddr_t smmap32(caddr32_t, size32_t, int, int, int, off32_t);
201 int	smmaplf32(struct mmaplf32a *, rval_t *);
202 int	mprotect(caddr_t, size_t, int);
203 int	munmap(caddr_t, size_t);
204 int	uname(struct utsname *);
205 int	lchown(char *, uid_t, gid_t);
206 int	getpmsg(int, struct strbuf *, struct strbuf *, int *, int *);
207 int	putpmsg(int, struct strbuf *, struct strbuf *, int, int);
208 int	memcntl(caddr_t, size_t, int, caddr_t, int, int);
209 long	sysconfig(int);
210 int	adjtime(struct timeval *, struct timeval *);
211 long	systeminfo(int, char *, long);
212 int	setegid(gid_t);
213 int	seteuid(uid_t);
214 
215 int	setreuid(uid_t, uid_t);
216 int	setregid(gid_t, gid_t);
217 int	install_utrap(utrap_entry_t type, utrap_handler_t, utrap_handler_t *);
218 #ifdef __sparc
219 int	sparc_utrap_install(utrap_entry_t type, utrap_handler_t,
220     utrap_handler_t, utrap_handler_t *, utrap_handler_t *);
221 #endif
222 
223 int	syslwp_create(ucontext_t *, int, id_t *);
224 void	syslwp_exit();
225 int	syslwp_suspend(id_t);
226 int	syslwp_continue(id_t);
227 int	syslwp_private(int, int, uintptr_t);
228 int	lwp_detach(id_t);
229 int	lwp_info(timestruc_t *);
230 int	lwp_kill(id_t, int);
231 int	lwp_self();
232 int64_t	lwp_sigmask(int, uint_t, uint_t, uint_t, uint_t);
233 int	yield();
234 int	lwp_wait(id_t, id_t *);
235 int	lwp_mutex_timedlock(lwp_mutex_t *, timespec_t *, uintptr_t);
236 int	lwp_mutex_wakeup(lwp_mutex_t *, int);
237 int	lwp_mutex_unlock(lwp_mutex_t *);
238 int	lwp_mutex_trylock(lwp_mutex_t *, uintptr_t);
239 int	lwp_mutex_register(lwp_mutex_t *, caddr_t);
240 int	lwp_rwlock_sys(int, lwp_rwlock_t *, timespec_t *);
241 int	lwp_sema_post(lwp_sema_t *);
242 int	lwp_sema_timedwait(lwp_sema_t *, timespec_t *, int);
243 int	lwp_sema_trywait(lwp_sema_t *);
244 int	lwp_cond_wait(lwp_cond_t *, lwp_mutex_t *, timespec_t *, int);
245 int	lwp_cond_signal(lwp_cond_t *);
246 int	lwp_cond_broadcast(lwp_cond_t *);
247 caddr_t	schedctl();
248 
249 long	pathconf(char *, int);
250 long	fpathconf(int, int);
251 int	processor_bind(idtype_t, id_t, processorid_t, processorid_t *);
252 int	processor_info(processorid_t, processor_info_t *);
253 int	p_online(processorid_t, int);
254 
255 /*
256  *	POSIX .4 system calls *
257  */
258 int	clock_gettime(clockid_t, timespec_t *);
259 int	clock_settime(clockid_t, timespec_t *);
260 int	clock_getres(clockid_t, timespec_t *);
261 int	timer_create(clockid_t, struct sigevent *, timer_t *);
262 int	timer_delete(timer_t);
263 int	timer_settime(timer_t, int, itimerspec_t *, itimerspec_t *);
264 int	timer_gettime(timer_t, itimerspec_t *);
265 int	timer_getoverrun(timer_t);
266 int	nanosleep(timespec_t *, timespec_t *);
267 int	sigqueue(pid_t, int, void *, int, int);
268 int	signotify(int, siginfo_t *, signotify_id_t *);
269 
270 int	getdents64(int, void *, size_t);
271 int	stat64(char *, struct stat64 *);
272 int	lstat64(char *, struct stat64 *);
273 int	fstatat64(int, char *, struct stat64 *, int);
274 int	fstat64(int, struct stat64 *);
275 int	statvfs64(char *, struct statvfs64 *);
276 int	fstatvfs64(int, struct statvfs64 *);
277 int	setrlimit64(int, struct rlimit64 *);
278 int	getrlimit64(int, struct rlimit64 *);
279 int	pread64(int, void *, size32_t, uint32_t, uint32_t);
280 int	pwrite64(int, void *, size32_t, uint32_t, uint32_t);
281 int	open64(char *, int, int);
282 int	openat64(int, char *, int, int);
283 
284 /*
285  * NTP syscalls
286  */
287 
288 int ntp_gettime(struct ntptimeval *);
289 int ntp_adjtime(struct timex *);
290 
291 /*
292  *	++++++++++++++++++++++++
293  *	++  SunOS4.1 Buyback  ++
294  *	++++++++++++++++++++++++
295  *
296  *	fchroot, vhangup, gettimeofday
297  */
298 
299 int	fchroot(int);
300 int	vhangup();
301 int	gettimeofday(struct timeval *);
302 int	getitimer(uint_t, struct itimerval *);
303 int	setitimer(uint_t, struct itimerval *, struct itimerval *);
304 
305 int	corectl(int, uintptr_t, uintptr_t, uintptr_t);
306 int	modctl(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
307 int64_t loadable_syscall();
308 int64_t indir();
309 
310 long	tasksys(int, projid_t, uint_t, void *, size_t);
311 long	rctlsys(int, char *, void *, void *, size_t, int);
312 
313 long	zone();
314 
315 int	so_socket(int, int, int, char *, int);
316 int	so_socketpair(int[2]);
317 int	bind(int, struct sockaddr *, socklen_t, int);
318 int	listen(int, int, int);
319 int	accept(int, struct sockaddr *, socklen_t *, int);
320 int	connect(int, struct sockaddr *, socklen_t, int);
321 int	shutdown(int, int, int);
322 ssize_t	recv(int, void *, size_t, int);
323 ssize_t	recvfrom(int, void *, size_t, int, struct sockaddr *, socklen_t *);
324 ssize_t	recvmsg(int, struct nmsghdr *, int);
325 ssize_t	send(int, void *, size_t, int);
326 ssize_t	sendmsg(int, struct nmsghdr *, int);
327 ssize_t	sendto(int, void *, size_t, int, struct sockaddr *, socklen_t);
328 int	getpeername(int, struct sockaddr *, socklen_t *, int);
329 int	getsockname(int, struct sockaddr *, socklen_t *, int);
330 int	getsockopt(int, int, int, void *, socklen_t *, int);
331 int	setsockopt(int, int, int, void *, socklen_t *, int);
332 int	sockconfig(int, void *, void *, void *, void *);
333 ssize_t	sendfilev(int, int, const struct sendfilevec *, int, size_t *);
334 
335 typedef int64_t	(*llfcn_t)();	/* for casting one-word returns */
336 
337 /*
338  * Sysent initialization macros.
339  * 	These take the name string of the system call even though that isn't
340  *	currently used in the sysent entry.  This might be useful someday.
341  *
342  * Initialization macro for system calls which take their args in the C style.
343  * These system calls return the longlong_t return value and must call
344  * set_errno() to return an error.  For SPARC, narg must be at most six.
345  * For more args, use the SYSENT_AP() routine.
346  *
347  * We are able to return two distinct values to userland via the rval_t.
348  * At this time, that corresponds to one 64-bit quantity, or two 32-bit
349  * quantities.  The kernel does not currently need to return two 64-bit
350  * values, or one 128 bit value(!), but we may do one day, so the calling
351  * sequence between userland and the kernel should permit it.
352  *
353  * The interpretation of rval_t is provided by the sy_flags field
354  * which is used to determine how to arrange the results in registers
355  * (or on the stack) for return userland.
356  */
357 	/* returns a 64-bit quantity for both ABIs */
358 #define	SYSENT_C(name, call, narg)	\
359 	{ (narg), SE_64RVAL, NULL, NULL, (llfcn_t)(call) }
360 
361 	/* returns one 32-bit value for both ABIs: r_val1 */
362 #define	SYSENT_CI(name, call, narg)	\
363 	{ (narg), SE_32RVAL1, NULL, NULL, (llfcn_t)(call) }
364 
365 	/* returns 2 32-bit values: r_val1 & r_val2 */
366 #define	SYSENT_2CI(name, call, narg)	\
367 	{ (narg), SE_32RVAL1|SE_32RVAL2, NULL, NULL, (llfcn_t)(call) }
368 
369 /*
370  * Initialization macro for system calls which take their args in the standard
371  * Unix style of a pointer to the arg structure and a pointer to the rval_t.
372  *
373  * Deprecated wherever possible (slower on some architectures, and trickier
374  * to maintain two flavours).
375  */
376 #define	SYSENT_AP(name, call, narg)	\
377 	{ (narg), SE_64RVAL, (call), NULL, syscall_ap }
378 
379 /*
380  * Conditional constructors to build the tables without #ifdef clutter
381  */
382 #if defined(_LP64)
383 #define	IF_LP64(true, false)	true
384 #else
385 #define	IF_LP64(true, false)	false
386 #endif
387 
388 #if defined(__sparc)
389 #define	IF_sparc(true, false)	true
390 #else
391 #define	IF_sparc(true, false)	false
392 #endif
393 
394 #if defined(__i386) && !defined(__amd64)
395 #define	IF_i386(true, false)	true
396 #else
397 #define	IF_i386(true, false)	false
398 #endif
399 
400 #if defined(__i386) || defined(__amd64)
401 #define	IF_x86(true, false)	true
402 #else
403 #define	IF_x86(true, false)	false
404 #endif
405 
406 #if (defined(__i386) && !defined(__amd64)) || defined(__i386_COMPAT)
407 #define	IF_386_ABI(true, false)	true
408 #else
409 #define	IF_386_ABI(true, false)	false
410 #endif
411 
412 /*
413  * Define system calls that return a native 'long' quantity i.e. a 32-bit
414  * or 64-bit integer - depending on how the kernel is itself compiled
415  * e.g. read(2) returns 'ssize_t' in the kernel and in userland.
416  */
417 #define	SYSENT_CL(name, call, narg)	\
418 	IF_LP64(SYSENT_C(name, call, narg), SYSENT_CI(name, call, narg))
419 
420 /*
421  * Initialization macro for loadable native system calls.
422  */
423 #define	SYSENT_LOADABLE()	\
424 	{ 0, SE_LOADABLE, (int (*)())nosys, NULL, loadable_syscall }
425 /* ONC_PLUS EXTRACT END */
426 
427 /*
428  * Initialization macro for loadable 32-bit compatibility system calls.
429  */
430 #define	SYSENT_LOADABLE32()	SYSENT_LOADABLE()
431 
432 #define	SYSENT_NOSYS()		SYSENT_C("nosys", nosys, 0)
433 
434 struct sysent nosys_ent = SYSENT_NOSYS();
435 
436 /* ONC_PLUS EXTRACT START */
437 /*
438  * Native sysent table.
439  */
440 struct sysent sysent[NSYSCALL] =
441 {
442 /* ONC_PLUS EXTRACT END */
443 	/*  0 */ IF_LP64(
444 			SYSENT_NOSYS(),
445 			SYSENT_C("indir",	indir,		1)),
446 	/*  1 */ SYSENT_CI("exit",		rexit,		1),
447 	/*  2 */ SYSENT_LOADABLE(),			/* (was forkall) */
448 	/*  3 */ SYSENT_CL("read",		read,		3),
449 	/*  4 */ SYSENT_CL("write",		write,		3),
450 	/*  5 */ SYSENT_CI("open",		open,		3),
451 	/*  6 */ SYSENT_CI("close",		close,		1),
452 	/*  7 */ SYSENT_CI("linkat",		linkat,		5),
453 	/*  8 */ SYSENT_LOADABLE(),			/* (was creat) */
454 	/*  9 */ SYSENT_CI("link",		link,		2),
455 	/* 10 */ SYSENT_CI("unlink",		unlink,		1),
456 	/* 11 */ SYSENT_CI("symlinkat",		symlinkat,	3),
457 	/* 12 */ SYSENT_CI("chdir",		chdir,		1),
458 	/* 13 */ SYSENT_CL("time",		gtime,		0),
459 	/* 14 */ SYSENT_CI("mknod",		mknod,		3),
460 	/* 15 */ SYSENT_CI("chmod",		chmod,		2),
461 	/* 16 */ SYSENT_CI("chown",		chown,		3),
462 	/* 17 */ SYSENT_CI("brk",		brk,		1),
463 	/* 18 */ SYSENT_CI("stat",		stat,		2),
464 	/* 19 */ IF_LP64(
465 			SYSENT_CL("lseek",	lseek64,	3),
466 			SYSENT_CL("lseek",	lseek32,	3)),
467 	/* 20 */ SYSENT_2CI("getpid",		getpid,		0),
468 	/* 21 */ SYSENT_AP("mount",		mount,		8),
469 	/* 22 */ SYSENT_CL("readlinkat",	readlinkat,	4),
470 	/* 23 */ SYSENT_CI("setuid",		setuid,		1),
471 	/* 24 */ SYSENT_2CI("getuid",		getuid,		0),
472 	/* 25 */ SYSENT_CI("stime",		stime,		1),
473 	/* 26 */ SYSENT_CL("pcsample",		pcsample,	2),
474 	/* 27 */ SYSENT_CI("alarm",		alarm,		1),
475 	/* 28 */ SYSENT_CI("fstat",		fstat,		2),
476 	/* 29 */ SYSENT_CI("pause",		pause,		0),
477 	/* 30 */ SYSENT_LOADABLE(),			/* (was utime) */
478 	/* 31 */ SYSENT_CI("stty",		stty,		2),
479 	/* 32 */ SYSENT_CI("gtty",		gtty,		2),
480 	/* 33 */ SYSENT_CI("access",		access,		2),
481 	/* 34 */ SYSENT_CI("nice",		nice,		1),
482 	/* 35 */ IF_LP64(
483 			SYSENT_NOSYS(),
484 			SYSENT_CI("statfs",	statfs32,	4)),
485 	/* 36 */ SYSENT_CI("sync",		syssync,	0),
486 	/* 37 */ SYSENT_CI("kill",		kill,		2),
487 	/* 38 */ IF_LP64(
488 			SYSENT_NOSYS(),
489 			SYSENT_CI("fstatfs",	fstatfs32,	4)),
490 	/* 39 */ SYSENT_CI("setpgrp",		setpgrp,	3),
491 	/* 40 */ SYSENT_CI("uucopystr",		uucopystr,	3),
492 	/* 41 */ SYSENT_LOADABLE(),			/* (was dup) */
493 	/* 42 */ SYSENT_LOADABLE(),			/* pipe */
494 	/* 43 */ SYSENT_CL("times",		times,		1),
495 	/* 44 */ SYSENT_CI("prof",		profil,		4),
496 	/* 45 */ SYSENT_CI("faccessat",		faccessat,	4),
497 	/* 46 */ SYSENT_CI("setgid",		setgid,		1),
498 	/* 47 */ SYSENT_2CI("getgid",		getgid,		0),
499 	/* 48 */ SYSENT_CI("mknodat",		mknodat,	4),
500 	/* 49 */ SYSENT_LOADABLE(),			/* msgsys */
501 	/* 50 */ IF_x86(
502 			SYSENT_CI("sysi86",	sysi86,		4),
503 			SYSENT_LOADABLE()),		/* (was sys3b) */
504 	/* 51 */ SYSENT_LOADABLE(),			/* sysacct */
505 	/* 52 */ SYSENT_LOADABLE(),			/* shmsys */
506 	/* 53 */ SYSENT_LOADABLE(),			/* semsys */
507 	/* 54 */ SYSENT_CI("ioctl",		ioctl,		3),
508 	/* 55 */ SYSENT_CI("uadmin",		uadmin,		3),
509 	/* 56 */ SYSENT_CI("fchownat",		fchownat,	5),
510 	/* 57 */ IF_LP64(
511 			SYSENT_2CI("utssys",	utssys64,	4),
512 			SYSENT_2CI("utssys",	utssys32,	4)),
513 	/* 58 */ SYSENT_CI("fdsync",		fdsync,		2),
514 	/* 59 */ SYSENT_CI("exece",		exece,		3),
515 	/* 60 */ SYSENT_CI("umask",		umask,		1),
516 	/* 61 */ SYSENT_CI("chroot",		chroot,		1),
517 	/* 62 */ SYSENT_CI("fcntl",		fcntl,		3),
518 	/* 63 */ SYSENT_CI("ulimit",		ulimit,		2),
519 	/* 64 */ SYSENT_CI("renameat",		renameat,	4),
520 	/* 65 */ SYSENT_CI("unlinkat",		unlinkat,	3),
521 	/* 66 */ SYSENT_CI("fstatat",		fstatat,	4),
522 	/* 67 */ IF_LP64(
523 			SYSENT_NOSYS(),
524 			SYSENT_CI("fstatat64",	fstatat64, 	4)),
525 	/* 68 */ SYSENT_CI("openat",		openat,		4),
526 	/* 69 */ IF_LP64(
527 			SYSENT_NOSYS(),
528 			SYSENT_CI("openat64",	openat64,	4)),
529 	/* 70 */ SYSENT_CI("tasksys",		tasksys,	5),
530 	/* 71 */ SYSENT_LOADABLE(),		/* acctctl */
531 	/* 72 */ SYSENT_LOADABLE(),		/* exacct */
532 	/* 73 */ SYSENT_CI("getpagesizes",	getpagesizes,	3),
533 	/* 74 */ SYSENT_CI("rctlsys",		rctlsys,	6),
534 	/* 75 */ SYSENT_2CI("sidsys",		sidsys,		4),
535 	/* 76 */ SYSENT_LOADABLE(),			/* (was fsat) */
536 	/* 77 */ SYSENT_CI("lwp_park",		syslwp_park,	3),
537 	/* 78 */ SYSENT_CL("sendfilev",		sendfilev,	5),
538 	/* 79 */ SYSENT_CI("rmdir",		rmdir,		1),
539 	/* 80 */ SYSENT_CI("mkdir",		mkdir,		2),
540 	/* 81 */ IF_LP64(
541 			SYSENT_CI("getdents",	getdents64,	3),
542 			SYSENT_CI("getdents",	getdents32,	3)),
543 	/* 82 */ SYSENT_CI("privsys",		privsys,	6),
544 	/* 83 */ SYSENT_CI("ucredsys",		ucredsys,	3),
545 	/* 84 */ SYSENT_CI("sysfs",		sysfs,		3),
546 	/* 85 */ SYSENT_CI("getmsg",		getmsg,		4),
547 	/* 86 */ SYSENT_CI("putmsg",		putmsg,		4),
548 	/* 87 */ SYSENT_LOADABLE(),			/* (was poll) */
549 	/* 88 */ SYSENT_CI("lstat",		lstat,		2),
550 	/* 89 */ SYSENT_CI("symlink",		symlink,	2),
551 	/* 90 */ SYSENT_CL("readlink",		readlink,	3),
552 	/* 91 */ SYSENT_CI("setgroups",		setgroups,	2),
553 	/* 92 */ SYSENT_CI("getgroups",		getgroups,	2),
554 	/* 93 */ SYSENT_CI("fchmod",		fchmod,		2),
555 	/* 94 */ SYSENT_CI("fchown",		fchown,		3),
556 	/* 95 */ SYSENT_CI("sigprocmask",	sigprocmask,	3),
557 	/* 96 */ SYSENT_CI("sigsuspend",	sigsuspend,	1),
558 	/* 97 */ SYSENT_CI("sigaltstack",	sigaltstack,	2),
559 	/* 98 */ SYSENT_CI("sigaction",		sigaction,	3),
560 	/* 99 */ SYSENT_CI("sigpending",	sigpending,	2),
561 	/* 100 */ SYSENT_CI("getsetcontext",	getsetcontext,	2),
562 	/* 101 */ SYSENT_CI("fchmodat",		fchmodat,	4),
563 	/* 102 */ SYSENT_CI("mkdirat",		mkdirat,	3),
564 	/* 103 */ SYSENT_CI("statvfs",		statvfs,	2),
565 	/* 104 */ SYSENT_CI("fstatvfs",		fstatvfs,	2),
566 	/* 105 */ SYSENT_CI("getloadavg",	getloadavg,	2),
567 /* ONC_PLUS EXTRACT START */
568 	/* 106 */ SYSENT_LOADABLE(),		/* nfssys */
569 /* ONC_PLUS EXTRACT END */
570 	/* 107 */ SYSENT_CI("waitsys",		waitsys,	4),
571 	/* 108 */ SYSENT_CI("sigsendset",	sigsendsys,	2),
572 	/* 109 */ IF_x86(
573 			SYSENT_AP("hrtsys",	hrtsys,		5),
574 			SYSENT_LOADABLE()),
575 	/* 110 */ SYSENT_CI("utimesys",		utimesys,	5),
576 	/* 111 */ SYSENT_CI("sigresend",	sigresend,	3),
577 	/* 112 */ SYSENT_CL("priocntlsys",	priocntlsys,	5),
578 	/* 113 */ SYSENT_CL("pathconf",		pathconf,	2),
579 	/* 114 */ SYSENT_CI("mincore",		mincore,	3),
580 	/* 115 */ IF_LP64(
581 			SYSENT_CL("mmap",	smmap64,	6),
582 			SYSENT_CL("mmap",	smmap32,	6)),
583 	/* 116 */ SYSENT_CI("mprotect",		mprotect,	3),
584 	/* 117 */ SYSENT_CI("munmap",		munmap,		2),
585 	/* 118 */ SYSENT_CL("fpathconf",	fpathconf,	2),
586 	/* 119 */ SYSENT_2CI("vfork",		vfork,		0),
587 	/* 120 */ SYSENT_CI("fchdir",		fchdir,		1),
588 	/* 121 */ SYSENT_CL("readv",		readv,		3),
589 	/* 122 */ SYSENT_CL("writev",		writev,		3),
590 	/* 123 */ SYSENT_LOADABLE(),			/* (was xstat) */
591 	/* 124 */ SYSENT_LOADABLE(),			/* (was lxstat) */
592 	/* 125 */ SYSENT_LOADABLE(),			/* (was fxstat) */
593 	/* 126 */ SYSENT_LOADABLE(),			/* (was xmknod) */
594 	/* 127 */ SYSENT_CI("mmapobj",		mmapobjsys,	5),
595 	/* 128 */ IF_LP64(
596 			SYSENT_CI("setrlimit",	setrlimit64,	2),
597 			SYSENT_CI("setrlimit",	setrlimit32,	2)),
598 	/* 129 */ IF_LP64(
599 			SYSENT_CI("getrlimit",	getrlimit64,	2),
600 			SYSENT_CI("getrlimit",	getrlimit32,	2)),
601 	/* 130 */ SYSENT_CI("lchown",		lchown,		3),
602 	/* 131 */ SYSENT_CI("memcntl",		memcntl,	6),
603 	/* 132 */ SYSENT_CI("getpmsg",		getpmsg,	5),
604 	/* 133 */ SYSENT_CI("putpmsg",		putpmsg,	5),
605 	/* 134 */ SYSENT_CI("rename",		rename,		2),
606 	/* 135 */ SYSENT_CI("uname",		uname,		1),
607 	/* 136 */ SYSENT_CI("setegid",		setegid,	1),
608 	/* 137 */ SYSENT_CL("sysconfig",	sysconfig,	1),
609 	/* 138 */ SYSENT_CI("adjtime",		adjtime,	2),
610 	/* 139 */ SYSENT_CL("systeminfo",	systeminfo,	3),
611 	/* 140 */ SYSENT_LOADABLE(),		/* sharefs */
612 	/* 141 */ SYSENT_CI("seteuid",		seteuid,	1),
613 	/* 142 */ SYSENT_2CI("forksys",		forksys,	2),
614 	/* 143 */ SYSENT_LOADABLE(),			/* (was fork1) */
615 	/* 144 */ SYSENT_CI("sigtimedwait",	sigtimedwait,	3),
616 	/* 145 */ SYSENT_CI("lwp_info",		lwp_info,	1),
617 	/* 146 */ SYSENT_CI("yield",		yield,		0),
618 	/* 147 */ SYSENT_LOADABLE(),		    /* (was lwp_sema_wait) */
619 	/* 148 */ SYSENT_CI("lwp_sema_post",	lwp_sema_post,	1),
620 	/* 149 */ SYSENT_CI("lwp_sema_trywait",	lwp_sema_trywait, 1),
621 	/* 150 */ SYSENT_CI("lwp_detach",	lwp_detach,	1),
622 	/* 151 */ SYSENT_CI("corectl",		corectl,	4),
623 	/* 152 */ SYSENT_CI("modctl",		modctl,		6),
624 	/* 153 */ SYSENT_CI("fchroot",		fchroot,	1),
625 	/* 154 */ SYSENT_LOADABLE(),			/* (was utimes) */
626 	/* 155 */ SYSENT_CI("vhangup",		vhangup,	0),
627 	/* 156 */ SYSENT_CI("gettimeofday",	gettimeofday,	1),
628 	/* 157 */ SYSENT_CI("getitimer",	getitimer,	2),
629 	/* 158 */ SYSENT_CI("setitimer",	setitimer,	3),
630 	/* 159 */ SYSENT_CI("lwp_create",	syslwp_create,	3),
631 	/* 160 */ SYSENT_CI("lwp_exit",	(int (*)())syslwp_exit,	0),
632 	/* 161 */ SYSENT_CI("lwp_suspend",	syslwp_suspend,	1),
633 	/* 162 */ SYSENT_CI("lwp_continue",	syslwp_continue, 1),
634 	/* 163 */ SYSENT_CI("lwp_kill",		lwp_kill,	2),
635 	/* 164 */ SYSENT_CI("lwp_self",		lwp_self,	0),
636 	/* 165 */ SYSENT_2CI("lwp_sigmask",	lwp_sigmask,	5),
637 	/* 166 */ IF_x86(
638 			SYSENT_CI("lwp_private", syslwp_private, 3),
639 			SYSENT_NOSYS()),
640 	/* 167 */ SYSENT_CI("lwp_wait",		lwp_wait,	2),
641 	/* 168 */ SYSENT_CI("lwp_mutex_wakeup",	lwp_mutex_wakeup,	2),
642 	/* 169 */ SYSENT_LOADABLE(),		    /* (was lwp_mutex_lock) */
643 	/* 170 */ SYSENT_CI("lwp_cond_wait",	lwp_cond_wait,		4),
644 	/* 171 */ SYSENT_CI("lwp_cond_signal",	lwp_cond_signal,	1),
645 	/* 172 */ SYSENT_CI("lwp_cond_broadcast", lwp_cond_broadcast,	1),
646 	/* 173 */ SYSENT_CL("pread",		pread,		4),
647 	/* 174 */ SYSENT_CL("pwrite ",		pwrite,		4),
648 	/*
649 	 * The 64-bit C library maps llseek() to lseek(), so this
650 	 * is needed as a native syscall only on the 32-bit kernel.
651 	 */
652 	/* 175 */ IF_LP64(
653 			SYSENT_NOSYS(),
654 			SYSENT_C("llseek",	llseek32,	4)),
655 	/* 176 */ SYSENT_LOADABLE(),		/* inst_sync */
656 	/* 177 */ SYSENT_CI("brandsys",		brandsys,	6),
657 	/* 178 */ SYSENT_LOADABLE(),		/* kaio */
658 	/* 179 */ SYSENT_LOADABLE(),		/* cpc */
659 	/* 180 */ SYSENT_CI("lgrpsys",		lgrpsys,	3),
660 	/* 181 */ SYSENT_CI("rusagesys",	rusagesys, 	5),
661 	/* 182 */ SYSENT_LOADABLE(),		/* portfs */
662 	/* 183 */ SYSENT_CI("pollsys",		pollsys,	4),
663 	/* 184 */ SYSENT_CI("labelsys",		labelsys,	5),
664 	/* 185 */ SYSENT_CI("acl",		acl,		4),
665 	/* 186 */ SYSENT_AP("auditsys",		auditsys,	6),
666 	/* 187 */ SYSENT_CI("processor_bind",	processor_bind,	4),
667 	/* 188 */ SYSENT_CI("processor_info",	processor_info,	2),
668 	/* 189 */ SYSENT_CI("p_online",		p_online,	2),
669 	/* 190 */ SYSENT_CI("sigqueue",		sigqueue,	5),
670 	/* 191 */ SYSENT_CI("clock_gettime",	clock_gettime,	2),
671 	/* 192 */ SYSENT_CI("clock_settime",	clock_settime,	2),
672 	/* 193 */ SYSENT_CI("clock_getres",	clock_getres,	2),
673 	/* 194 */ SYSENT_CI("timer_create",	timer_create,	3),
674 	/* 195 */ SYSENT_CI("timer_delete",	timer_delete,	1),
675 	/* 196 */ SYSENT_CI("timer_settime",	timer_settime,	4),
676 	/* 197 */ SYSENT_CI("timer_gettime",	timer_gettime,	2),
677 	/* 198 */ SYSENT_CI("timer_getoverrun",	timer_getoverrun, 1),
678 	/* 199 */ SYSENT_CI("nanosleep",	nanosleep,	2),
679 	/* 200 */ SYSENT_CI("facl",		facl,		4),
680 	/* 201 */ SYSENT_LOADABLE(),		/* door */
681 	/* 202 */ SYSENT_CI("setreuid",		setreuid,	2),
682 	/* 203 */ SYSENT_CI("setregid",		setregid,	2),
683 	/* 204 */ SYSENT_CI("install_utrap",	install_utrap,	3),
684 	/* 205 */ SYSENT_CI("signotify",	signotify,	3),
685 	/* 206 */ SYSENT_CL("schedctl",		schedctl,	0),
686 	/* 207 */ SYSENT_LOADABLE(),		/* pset */
687 	/* 208 */ IF_sparc(
688 		SYSENT_CI("sparc_utrap_install", sparc_utrap_install, 5),
689 		SYSENT_NOSYS()),
690 	/* 209 */ SYSENT_CI("resolvepath",	resolvepath,	3),
691 	/* 210 */ SYSENT_CI("lwp_mutex_timedlock", lwp_mutex_timedlock,	3),
692 	/* 211 */ SYSENT_CI("lwp_sema_timedwait", lwp_sema_timedwait,	3),
693 	/* 212 */ SYSENT_CI("lwp_rwlock_sys",	lwp_rwlock_sys,	3),
694 	/*
695 	 * Syscalls 213-225: 32-bit system call support for large files.
696 	 *
697 	 * (The 64-bit C library transparently maps these system calls
698 	 * back to their native versions, so almost all of them are only
699 	 * needed as native syscalls on the 32-bit kernel).
700 	 */
701 	/* 213 */ IF_LP64(
702 			SYSENT_NOSYS(),
703 			SYSENT_CI("getdents64",	getdents64,	3)),
704 	/* 214 */ IF_LP64(
705 			SYSENT_NOSYS(),
706 			SYSENT_AP("smmaplf32",	smmaplf32,	7)),
707 	/* 215 */ IF_LP64(
708 			SYSENT_NOSYS(),
709 			SYSENT_CI("stat64",	stat64, 	2)),
710 	/* 216 */ IF_LP64(
711 			SYSENT_NOSYS(),
712 			SYSENT_CI("lstat64",	lstat64,	2)),
713 	/* 217 */ IF_LP64(
714 			SYSENT_NOSYS(),
715 			SYSENT_CI("fstat64", 	fstat64, 	2)),
716 	/* 218 */ IF_LP64(
717 			SYSENT_NOSYS(),
718 			SYSENT_CI("statvfs64", 	statvfs64, 	2)),
719 	/* 219 */ IF_LP64(
720 			SYSENT_NOSYS(),
721 			SYSENT_CI("fstatvfs64",	fstatvfs64, 	2)),
722 	/* 220 */ IF_LP64(
723 			SYSENT_NOSYS(),
724 			SYSENT_CI("setrlimit64", setrlimit64, 	2)),
725 	/* 221 */ IF_LP64(
726 			SYSENT_NOSYS(),
727 			SYSENT_CI("getrlimit64", getrlimit64, 	2)),
728 	/* 222 */ IF_LP64(
729 			SYSENT_NOSYS(),
730 			SYSENT_CI("pread64",	pread64, 	5)),
731 	/* 223 */ IF_LP64(
732 			SYSENT_NOSYS(),
733 			SYSENT_CI("pwrite64", 	pwrite64, 	5)),
734 	/* 224 */ SYSENT_LOADABLE(),			/* (was creat64) */
735 	/* 225 */ IF_LP64(
736 			SYSENT_NOSYS(),
737 			SYSENT_CI("open64",	open64,		3)),
738 	/* 226 */ SYSENT_LOADABLE(),		/* rpcsys */
739 	/* 227 */ SYSENT_CL("zone",		zone,		5),
740 	/* 228 */ SYSENT_LOADABLE(),		/* autofssys */
741 	/* 229 */ SYSENT_CI("getcwd",		getcwd,		2),
742 	/* 230 */ SYSENT_CI("so_socket",	so_socket,	5),
743 	/* 231 */ SYSENT_CI("so_socketpair",	so_socketpair,	1),
744 	/* 232 */ SYSENT_CI("bind",		bind,		4),
745 	/* 233 */ SYSENT_CI("listen",		listen,		3),
746 	/* 234 */ SYSENT_CI("accept",		accept,		5),
747 	/* 235 */ SYSENT_CI("connect",		connect,	4),
748 	/* 236 */ SYSENT_CI("shutdown",		shutdown,	3),
749 	/* 237 */ SYSENT_CL("recv",		recv,		4),
750 	/* 238 */ SYSENT_CL("recvfrom",		recvfrom,	6),
751 	/* 239 */ SYSENT_CL("recvmsg",		recvmsg,	3),
752 	/* 240 */ SYSENT_CL("send",		send,		4),
753 	/* 241 */ SYSENT_CL("sendmsg",		sendmsg,	3),
754 	/* 242 */ SYSENT_CL("sendto",		sendto,		6),
755 	/* 243 */ SYSENT_CI("getpeername",	getpeername,	4),
756 	/* 244 */ SYSENT_CI("getsockname",	getsockname,	4),
757 	/* 245 */ SYSENT_CI("getsockopt",	getsockopt,	6),
758 	/* 246 */ SYSENT_CI("setsockopt",	setsockopt,	6),
759 	/* 247 */ SYSENT_CI("sockconfig",	sockconfig,	5),
760 	/* 248 */ SYSENT_CI("ntp_gettime",	ntp_gettime,	1),
761 	/* 249 */ SYSENT_CI("ntp_adjtime",	ntp_adjtime,	1),
762 	/* 250 */ SYSENT_CI("lwp_mutex_unlock",	lwp_mutex_unlock,	1),
763 	/* 251 */ SYSENT_CI("lwp_mutex_trylock", lwp_mutex_trylock,	2),
764 	/* 252 */ SYSENT_CI("lwp_mutex_register", lwp_mutex_register,	2),
765 	/* 253 */ SYSENT_CI("cladm",		cladm,		3),
766 	/* 254 */ SYSENT_CI("uucopy",		uucopy,		3),
767 	/* 255 */ SYSENT_CI("umount2",		umount2,	2)
768 /* ONC_PLUS EXTRACT START */
769 };
770 /* ONC_PLUS EXTRACT END */
771 
772 
773 #ifdef _SYSCALL32_IMPL
774 
775 extern int ulimit32(int, int);
776 extern ssize_t read32(int32_t, caddr32_t, size32_t);
777 extern ssize_t write32(int32_t, caddr32_t, size32_t);
778 extern ssize_t pread32(int32_t, caddr32_t, size32_t, off32_t);
779 extern ssize_t pwrite32(int32_t, caddr32_t, size32_t, off32_t);
780 extern ssize_t readv32(int32_t, caddr32_t, int32_t);
781 extern ssize_t writev32(int32_t, caddr32_t, int32_t);
782 extern ssize_t readlink32(caddr32_t, caddr32_t, size32_t);
783 extern ssize_t readlinkat32(int, caddr32_t, caddr32_t, size32_t);
784 extern int open32(char *, int, int);
785 extern int openat32(int, char *, int, int);
786 extern int stat32(char *, struct stat32 *);
787 extern int fstatat32(int, char *, struct stat32 *, int);
788 extern int lstat32(char *, struct stat32 *);
789 extern int fstat32(int, struct stat32 *);
790 extern int fstatat64_32(int, char *, struct stat64_32 *, int);
791 extern int stat64_32(char *, struct stat64_32 *);
792 extern int lstat64_32(char *, struct stat64_32 *);
793 extern int fstat64_32(int, struct stat64_32 *);
794 extern int getmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t *);
795 extern int putmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t *);
796 extern int getpmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t *,
797     int32_t *);
798 extern int putpmsg32(int, struct strbuf32 *, struct strbuf32 *, int32_t,
799     int32_t);
800 extern int getsetcontext32(int, void *);
801 extern int statvfs32(char *, struct statvfs32 *);
802 extern int fstatvfs32(int, struct statvfs32 *);
803 extern int statvfs64_32(char *, struct statvfs64_32 *);
804 extern int fstatvfs64_32(int, struct statvfs64_32 *);
805 extern int sigaction32(int, struct sigaction32 *, struct sigaction32 *);
806 extern clock32_t times32(struct tms32 *);
807 extern int stime32(time32_t);
808 extern int getpagesizes32(int, size32_t *, int);
809 extern int sigaltstack32(struct sigaltstack32 *, struct sigaltstack32 *);
810 extern int sigqueue32(pid_t, int, caddr32_t, int, int);
811 extern offset_t	llseek32(int32_t, uint32_t, uint32_t, int);
812 extern int waitsys32(idtype_t, id_t, siginfo_t *, int);
813 
814 extern ssize_t recv32(int32_t, caddr32_t, size32_t, int32_t);
815 extern ssize_t recvfrom32(int32_t, caddr32_t, size32_t, int32_t, caddr32_t,
816     caddr32_t);
817 extern ssize_t send32(int32_t, caddr32_t, size32_t, int32_t);
818 extern ssize_t sendto32(int32_t, caddr32_t, size32_t, int32_t, caddr32_t,
819     socklen_t);
820 
821 extern int privsys32(int, priv_op_t, priv_ptype_t, caddr32_t, size32_t, int);
822 extern int ucredsys32(int, int, caddr32_t);
823 
824 /* ONC_PLUS EXTRACT START */
825 /*
826  * sysent table for ILP32 processes running on
827  * a LP64 kernel.
828  */
829 struct sysent sysent32[NSYSCALL] =
830 {
831 /* ONC_PLUS EXTRACT END */
832 	/*  0 */ SYSENT_C("indir",		indir,		1),
833 	/*  1 */ SYSENT_CI("exit",	(int (*)())rexit,	1),
834 	/*  2 */ SYSENT_LOADABLE32(),			/* (was forkall) */
835 	/*  3 */ SYSENT_CI("read",		read32,		3),
836 	/*  4 */ SYSENT_CI("write",		write32,	3),
837 	/*  5 */ SYSENT_CI("open",		open32,		3),
838 	/*  6 */ SYSENT_CI("close",		close,		1),
839 	/*  7 */ SYSENT_CI("linkat",		linkat,		5),
840 	/*  8 */ SYSENT_LOADABLE32(),			/* (was creat32) */
841 	/*  9 */ SYSENT_CI("link",		link,		2),
842 	/* 10 */ SYSENT_CI("unlink",		unlink,		1),
843 	/* 11 */ SYSENT_CI("symlinkat",		symlinkat,	3),
844 	/* 12 */ SYSENT_CI("chdir",		chdir,		1),
845 	/* 13 */ SYSENT_CI("time",		gtime,		0),
846 	/* 14 */ SYSENT_CI("mknod",		mknod,		3),
847 	/* 15 */ SYSENT_CI("chmod",		chmod,		2),
848 	/* 16 */ SYSENT_CI("chown",		chown,		3),
849 	/* 17 */ SYSENT_CI("brk",		brk,		1),
850 	/* 18 */ SYSENT_CI("stat",		stat32,		2),
851 	/* 19 */ SYSENT_CI("lseek",		lseek32,	3),
852 	/* 20 */ SYSENT_2CI("getpid",		getpid,		0),
853 	/* 21 */ SYSENT_AP("mount",		mount,		8),
854 	/* 22 */ SYSENT_CI("readlinkat",	readlinkat32,	4),
855 	/* 23 */ SYSENT_CI("setuid",		setuid,		1),
856 	/* 24 */ SYSENT_2CI("getuid",		getuid,		0),
857 	/* 25 */ SYSENT_CI("stime",		stime32,	1),
858 	/* 26 */ SYSENT_CI("pcsample",		pcsample,	2),
859 	/* 27 */ SYSENT_CI("alarm",		alarm,		1),
860 	/* 28 */ SYSENT_CI("fstat",		fstat32,	2),
861 	/* 29 */ SYSENT_CI("pause",		pause,		0),
862 	/* 30 */ SYSENT_LOADABLE32(),			/* (was utime) */
863 	/* 31 */ SYSENT_CI("stty",		stty,		2),
864 	/* 32 */ SYSENT_CI("gtty",		gtty,		2),
865 	/* 33 */ SYSENT_CI("access",		access,		2),
866 	/* 34 */ SYSENT_CI("nice",		nice,		1),
867 	/* 35 */ SYSENT_CI("statfs",		statfs32,	4),
868 	/* 36 */ SYSENT_CI("sync",		syssync,	0),
869 	/* 37 */ SYSENT_CI("kill",		kill,		2),
870 	/* 38 */ SYSENT_CI("fstatfs",		fstatfs32,	4),
871 	/* 39 */ SYSENT_CI("setpgrp",		setpgrp,	3),
872 	/* 40 */ SYSENT_CI("uucopystr",		uucopystr,	3),
873 	/* 41 */ SYSENT_LOADABLE32(),			/* (was dup) */
874 	/* 42 */ SYSENT_LOADABLE32(),			/* pipe */
875 	/* 43 */ SYSENT_CI("times",		times32,	1),
876 	/* 44 */ SYSENT_CI("prof",		profil,		4),
877 	/* 45 */ SYSENT_CI("faccessat",		faccessat,	4),
878 	/* 46 */ SYSENT_CI("setgid",		setgid,		1),
879 	/* 47 */ SYSENT_2CI("getgid",		getgid,		0),
880 	/* 48 */ SYSENT_CI("mknodat",		mknodat,	4),
881 	/* 49 */ SYSENT_LOADABLE32(),			/* msgsys */
882 	/* 50 */ IF_386_ABI(
883 			SYSENT_CI("sysi86",	sysi86,		4),
884 			SYSENT_LOADABLE32()),		/* (was sys3b) */
885 	/* 51 */ SYSENT_LOADABLE32(),			/* sysacct */
886 	/* 52 */ SYSENT_LOADABLE32(),			/* shmsys */
887 	/* 53 */ SYSENT_LOADABLE32(),			/* semsys */
888 	/* 54 */ SYSENT_CI("ioctl",		ioctl,		3),
889 	/* 55 */ SYSENT_CI("uadmin",		uadmin,		3),
890 	/* 56 */ SYSENT_CI("fchownat",		fchownat,	5),
891 	/* 57 */ SYSENT_2CI("utssys",		utssys32,	4),
892 	/* 58 */ SYSENT_CI("fdsync",		fdsync,		2),
893 	/* 59 */ SYSENT_CI("exece",		exece,		3),
894 	/* 60 */ SYSENT_CI("umask",		umask,		1),
895 	/* 61 */ SYSENT_CI("chroot",		chroot,		1),
896 	/* 62 */ SYSENT_CI("fcntl",		fcntl,		3),
897 	/* 63 */ SYSENT_CI("ulimit",		ulimit32,	2),
898 	/* 64 */ SYSENT_CI("renameat",		renameat,	4),
899 	/* 65 */ SYSENT_CI("unlinkat",		unlinkat,	3),
900 	/* 66 */ SYSENT_CI("fstatat",		fstatat32,	4),
901 	/* 67 */ SYSENT_CI("fstatat64", 	fstatat64_32, 	4),
902 	/* 68 */ SYSENT_CI("openat",		openat32,	4),
903 	/* 69 */ SYSENT_CI("openat64",		openat64,	4),
904 	/* 70 */ SYSENT_CI("tasksys",		tasksys,	5),
905 	/* 71 */ SYSENT_LOADABLE32(),		/* acctctl */
906 	/* 72 */ SYSENT_LOADABLE32(),		/* exacct */
907 	/* 73 */ SYSENT_CI("getpagesizes",	getpagesizes32,	3),
908 	/* 74 */ SYSENT_CI("rctlsys",		rctlsys,	6),
909 	/* 75 */ SYSENT_2CI("sidsys",		sidsys,		4),
910 	/* 76 */ SYSENT_LOADABLE32(),			/* (was fsat) */
911 	/* 77 */ SYSENT_CI("lwp_park",		syslwp_park,	3),
912 	/* 78 */ SYSENT_CI("sendfilev",		sendfilev,	5),
913 	/* 79 */ SYSENT_CI("rmdir",		rmdir,		1),
914 	/* 80 */ SYSENT_CI("mkdir",		mkdir,		2),
915 	/* 81 */ SYSENT_CI("getdents",		getdents32,	3),
916 	/* 82 */ SYSENT_CI("privsys",		privsys32,	6),
917 	/* 83 */ SYSENT_CI("ucredsys",		ucredsys32,	3),
918 	/* 84 */ SYSENT_CI("sysfs",		sysfs,		3),
919 	/* 85 */ SYSENT_CI("getmsg",		getmsg32,	4),
920 	/* 86 */ SYSENT_CI("putmsg",		putmsg32,	4),
921 	/* 87 */ SYSENT_LOADABLE32(),			/* (was poll) */
922 	/* 88 */ SYSENT_CI("lstat",		lstat32,	2),
923 	/* 89 */ SYSENT_CI("symlink",		symlink,	2),
924 	/* 90 */ SYSENT_CI("readlink",		readlink32,	3),
925 	/* 91 */ SYSENT_CI("setgroups",		setgroups,	2),
926 	/* 92 */ SYSENT_CI("getgroups",		getgroups,	2),
927 	/* 93 */ SYSENT_CI("fchmod",		fchmod,		2),
928 	/* 94 */ SYSENT_CI("fchown",		fchown,		3),
929 	/* 95 */ SYSENT_CI("sigprocmask",	sigprocmask,	3),
930 	/* 96 */ SYSENT_CI("sigsuspend",	sigsuspend,	1),
931 	/* 97 */ SYSENT_CI("sigaltstack",	sigaltstack32,	2),
932 	/* 98 */ SYSENT_CI("sigaction",		sigaction32,	3),
933 	/* 99 */ SYSENT_CI("sigpending",	sigpending,	2),
934 	/* 100 */ SYSENT_CI("getsetcontext",	getsetcontext32, 2),
935 	/* 101 */ SYSENT_CI("fchmodat",		fchmodat,	4),
936 	/* 102 */ SYSENT_CI("mkdirat",		mkdirat,	3),
937 	/* 103 */ SYSENT_CI("statvfs",		statvfs32,	2),
938 	/* 104 */ SYSENT_CI("fstatvfs",		fstatvfs32,	2),
939 	/* 105 */ SYSENT_CI("getloadavg",	getloadavg,	2),
940 /* ONC_PLUS EXTRACT START */
941 	/* 106 */ SYSENT_LOADABLE32(),		/* nfssys */
942 /* ONC_PLUS EXTRACT END */
943 	/* 107 */ SYSENT_CI("waitsys",		waitsys32,	4),
944 	/* 108 */ SYSENT_CI("sigsendset",	sigsendsys,	2),
945 	/* 109 */ IF_x86(
946 			SYSENT_AP("hrtsys",	hrtsys,		5),
947 			SYSENT_LOADABLE32()),
948 	/* 110 */ SYSENT_CI("utimesys",		utimesys,	5),
949 	/* 111 */ SYSENT_CI("sigresend",	sigresend,	3),
950 	/* 112 */ SYSENT_CI("priocntlsys",	priocntlsys,	5),
951 	/* 113 */ SYSENT_CI("pathconf",		pathconf,	2),
952 	/* 114 */ SYSENT_CI("mincore",		mincore,	3),
953 	/* 115 */ SYSENT_CI("mmap",		smmap32,	6),
954 	/* 116 */ SYSENT_CI("mprotect",		mprotect,	3),
955 	/* 117 */ SYSENT_CI("munmap",		munmap,		2),
956 	/* 118 */ SYSENT_CI("fpathconf",	fpathconf,	2),
957 	/* 119 */ SYSENT_2CI("vfork",		vfork,		0),
958 	/* 120 */ SYSENT_CI("fchdir",		fchdir,		1),
959 	/* 121 */ SYSENT_CI("readv",		readv32,	3),
960 	/* 122 */ SYSENT_CI("writev",		writev32,	3),
961 	/* 123 */ SYSENT_LOADABLE32(),		/*	was xstat32	*/
962 	/* 124 */ SYSENT_LOADABLE32(),		/*	was lxstat32	*/
963 	/* 125 */ SYSENT_LOADABLE32(),		/*	was fxstat32	*/
964 	/* 126 */ SYSENT_LOADABLE32(),		/*	was xmknod	*/
965 	/* 127 */ SYSENT_CI("mmapobj",		mmapobjsys,	5),
966 	/* 128 */ SYSENT_CI("setrlimit",	setrlimit32,	2),
967 	/* 129 */ SYSENT_CI("getrlimit",	getrlimit32,	2),
968 	/* 130 */ SYSENT_CI("lchown",		lchown,		3),
969 	/* 131 */ SYSENT_CI("memcntl",		memcntl,	6),
970 	/* 132 */ SYSENT_CI("getpmsg",		getpmsg32,	5),
971 	/* 133 */ SYSENT_CI("putpmsg",		putpmsg32,	5),
972 	/* 134 */ SYSENT_CI("rename",		rename,		2),
973 	/* 135 */ SYSENT_CI("uname",		uname,		1),
974 	/* 136 */ SYSENT_CI("setegid",		setegid,	1),
975 	/* 137 */ SYSENT_CI("sysconfig",	sysconfig,	1),
976 	/* 138 */ SYSENT_CI("adjtime",		adjtime,	2),
977 	/* 139 */ SYSENT_CI("systeminfo",	systeminfo,	3),
978 	/* 140 */ SYSENT_LOADABLE32(),		/* sharefs */
979 	/* 141 */ SYSENT_CI("seteuid",		seteuid,	1),
980 	/* 142 */ SYSENT_2CI("forksys",		forksys,	2),
981 	/* 143 */ SYSENT_LOADABLE32(),			/* (was fork1) */
982 	/* 144 */ SYSENT_CI("sigtimedwait",	sigtimedwait,	3),
983 	/* 145 */ SYSENT_CI("lwp_info",		lwp_info,	1),
984 	/* 146 */ SYSENT_CI("yield",		yield,		0),
985 	/* 147 */ SYSENT_LOADABLE32(),		    /* (was lwp_sema_wait) */
986 	/* 148 */ SYSENT_CI("lwp_sema_post",	lwp_sema_post,	1),
987 	/* 149 */ SYSENT_CI("lwp_sema_trywait",	lwp_sema_trywait, 1),
988 	/* 150 */ SYSENT_CI("lwp_detach",	lwp_detach,	1),
989 	/* 151 */ SYSENT_CI("corectl",		corectl,	4),
990 	/* 152 */ SYSENT_CI("modctl",		modctl,		6),
991 	/* 153 */ SYSENT_CI("fchroot",		fchroot,	1),
992 	/* 154 */ SYSENT_LOADABLE32(),			/* (was utimes) */
993 	/* 155 */ SYSENT_CI("vhangup",		vhangup,	0),
994 	/* 156 */ SYSENT_CI("gettimeofday",	gettimeofday,	1),
995 	/* 157 */ SYSENT_CI("getitimer",	getitimer,	2),
996 	/* 158 */ SYSENT_CI("setitimer",	setitimer,	3),
997 	/* 159 */ SYSENT_CI("lwp_create",	syslwp_create,	3),
998 	/* 160 */ SYSENT_CI("lwp_exit",	(int (*)())syslwp_exit,	0),
999 	/* 161 */ SYSENT_CI("lwp_suspend",	syslwp_suspend,	1),
1000 	/* 162 */ SYSENT_CI("lwp_continue",	syslwp_continue, 1),
1001 	/* 163 */ SYSENT_CI("lwp_kill",		lwp_kill,	2),
1002 	/* 164 */ SYSENT_CI("lwp_self",		lwp_self,	0),
1003 	/* 165 */ SYSENT_2CI("lwp_sigmask",	lwp_sigmask,	5),
1004 	/* 166 */ IF_x86(
1005 			SYSENT_CI("lwp_private", syslwp_private, 3),
1006 			SYSENT_NOSYS()),
1007 	/* 167 */ SYSENT_CI("lwp_wait",		lwp_wait,	2),
1008 	/* 168 */ SYSENT_CI("lwp_mutex_wakeup",	lwp_mutex_wakeup,	2),
1009 	/* 169 */ SYSENT_LOADABLE32(),		    /* (was lwp_mutex_lock) */
1010 	/* 170 */ SYSENT_CI("lwp_cond_wait",	lwp_cond_wait,		4),
1011 	/* 171 */ SYSENT_CI("lwp_cond_signal",	lwp_cond_signal,	1),
1012 	/* 172 */ SYSENT_CI("lwp_cond_broadcast", lwp_cond_broadcast,	1),
1013 	/* 173 */ SYSENT_CI("pread",		pread32,		4),
1014 	/* 174 */ SYSENT_CI("pwrite",		pwrite32,		4),
1015 	/* 175 */ SYSENT_C("llseek",		llseek32,	4),
1016 	/* 176 */ SYSENT_LOADABLE32(),		/* inst_sync */
1017 	/* 177 */ SYSENT_CI("brandsys",		brandsys,	6),
1018 	/* 178 */ SYSENT_LOADABLE32(),		/* kaio */
1019 	/* 179 */ SYSENT_LOADABLE32(),		/* cpc */
1020 	/* 180 */ SYSENT_CI("lgrpsys",		lgrpsys,	3),
1021 	/* 181 */ SYSENT_CI("rusagesys",	rusagesys,	5),
1022 	/* 182 */ SYSENT_LOADABLE32(),		/* portfs */
1023 	/* 183 */ SYSENT_CI("pollsys",		pollsys,	4),
1024 	/* 184 */ SYSENT_CI("labelsys",		labelsys,	5),
1025 	/* 185 */ SYSENT_CI("acl",		acl,		4),
1026 	/* 186 */ SYSENT_AP("auditsys",		auditsys,	6),
1027 	/* 187 */ SYSENT_CI("processor_bind",	processor_bind,	4),
1028 	/* 188 */ SYSENT_CI("processor_info",	processor_info,	2),
1029 	/* 189 */ SYSENT_CI("p_online",		p_online,	2),
1030 	/* 190 */ SYSENT_CI("sigqueue",		sigqueue32,	5),
1031 	/* 191 */ SYSENT_CI("clock_gettime",	clock_gettime,	2),
1032 	/* 192 */ SYSENT_CI("clock_settime",	clock_settime,	2),
1033 	/* 193 */ SYSENT_CI("clock_getres",	clock_getres,	2),
1034 	/* 194 */ SYSENT_CI("timer_create",	timer_create,	3),
1035 	/* 195 */ SYSENT_CI("timer_delete",	timer_delete,	1),
1036 	/* 196 */ SYSENT_CI("timer_settime",	timer_settime,	4),
1037 	/* 197 */ SYSENT_CI("timer_gettime",	timer_gettime,	2),
1038 	/* 198 */ SYSENT_CI("timer_getoverrun",	timer_getoverrun, 1),
1039 	/* 199 */ SYSENT_CI("nanosleep",	nanosleep,	2),
1040 	/* 200 */ SYSENT_CI("facl",		facl,		4),
1041 	/* 201 */ SYSENT_LOADABLE32(),		/* door */
1042 	/* 202 */ SYSENT_CI("setreuid",		setreuid,	2),
1043 	/* 203 */ SYSENT_CI("setregid",		setregid,	2),
1044 	/* 204 */ SYSENT_CI("install_utrap",	install_utrap,	3),
1045 	/* 205 */ SYSENT_CI("signotify",	signotify,	3),
1046 	/* 206 */ SYSENT_CI("schedctl",		schedctl,	0),
1047 	/* 207 */ SYSENT_LOADABLE32(),		/* pset */
1048 	/* 208 */ SYSENT_LOADABLE32(),
1049 	/* 209 */ SYSENT_CI("resolvepath",	resolvepath,	3),
1050 	/* 210 */ SYSENT_CI("lwp_mutex_timedlock", lwp_mutex_timedlock, 3),
1051 	/* 211 */ SYSENT_CI("lwp_sema_timedwait", lwp_sema_timedwait,	3),
1052 	/* 212 */ SYSENT_CI("lwp_rwlock_sys",	lwp_rwlock_sys,	3),
1053 	/*
1054 	 * Syscalls 213-225: 32-bit system call support for large files.
1055 	 */
1056 	/* 213 */ SYSENT_CI("getdents64",	getdents64,	3),
1057 	/* 214 */ SYSENT_AP("smmaplf32", 	smmaplf32, 	7),
1058 	/* 215 */ SYSENT_CI("stat64", 		stat64_32, 	2),
1059 	/* 216 */ SYSENT_CI("lstat64", 		lstat64_32,	2),
1060 	/* 217 */ SYSENT_CI("fstat64", 		fstat64_32, 	2),
1061 	/* 218 */ SYSENT_CI("statvfs64", 	statvfs64_32, 	2),
1062 	/* 219 */ SYSENT_CI("fstatvfs64", 	fstatvfs64_32, 	2),
1063 	/* 220 */ SYSENT_CI("setrlimit64", 	setrlimit64, 	2),
1064 	/* 221 */ SYSENT_CI("getrlimit64", 	getrlimit64, 	2),
1065 	/* 222 */ SYSENT_CI("pread64", 		pread64, 	5),
1066 	/* 223 */ SYSENT_CI("pwrite64", 	pwrite64, 	5),
1067 	/* 224 */ SYSENT_LOADABLE32(),			/* (was creat64) */
1068 	/* 225 */ SYSENT_CI("open64",		open64,		3),
1069 	/* 226 */ SYSENT_LOADABLE32(),		/* rpcsys */
1070 	/* 227 */ SYSENT_CI("zone",		zone,		6),
1071 	/* 228 */ SYSENT_LOADABLE32(),		/* autofssys */
1072 	/* 229 */ SYSENT_CI("getcwd",		getcwd,		2),
1073 	/* 230 */ SYSENT_CI("so_socket",	so_socket,	5),
1074 	/* 231 */ SYSENT_CI("so_socketpair",	so_socketpair,	1),
1075 	/* 232 */ SYSENT_CI("bind",		bind,		4),
1076 	/* 233 */ SYSENT_CI("listen",		listen,		3),
1077 	/* 234 */ SYSENT_CI("accept",		accept,		5),
1078 	/* 235 */ SYSENT_CI("connect",		connect,	4),
1079 	/* 236 */ SYSENT_CI("shutdown",		shutdown,	3),
1080 	/* 237 */ SYSENT_CI("recv",		recv32,		4),
1081 	/* 238 */ SYSENT_CI("recvfrom",		recvfrom32,	6),
1082 	/* 239 */ SYSENT_CI("recvmsg",		recvmsg,	3),
1083 	/* 240 */ SYSENT_CI("send",		send32,		4),
1084 	/* 241 */ SYSENT_CI("sendmsg",		sendmsg,	3),
1085 	/* 242 */ SYSENT_CI("sendto",		sendto32,	6),
1086 	/* 243 */ SYSENT_CI("getpeername",	getpeername,	4),
1087 	/* 244 */ SYSENT_CI("getsockname",	getsockname,	4),
1088 	/* 245 */ SYSENT_CI("getsockopt",	getsockopt,	6),
1089 	/* 246 */ SYSENT_CI("setsockopt",	setsockopt,	6),
1090 	/* 247 */ SYSENT_CI("sockconfig",	sockconfig,	5),
1091 	/* 248 */ SYSENT_CI("ntp_gettime",	ntp_gettime,	1),
1092 	/* 249 */ SYSENT_CI("ntp_adjtime",	ntp_adjtime,	1),
1093 	/* 250 */ SYSENT_CI("lwp_mutex_unlock",	lwp_mutex_unlock,	1),
1094 	/* 251 */ SYSENT_CI("lwp_mutex_trylock", lwp_mutex_trylock,	2),
1095 	/* 252 */ SYSENT_CI("lwp_mutex_register", lwp_mutex_register,	2),
1096 	/* 253 */ SYSENT_CI("cladm",		cladm,		3),
1097 	/* 254 */ SYSENT_CI("uucopy",		uucopy,		3),
1098 	/* 255 */ SYSENT_CI("umount2",		umount2,	2)
1099 /* ONC_PLUS EXTRACT START */
1100 };
1101 /* ONC_PLUS EXTRACT END */
1102 #endif /* _SYSCALL32_IMPL */
1103 
1104 /*
1105  * Space allocated and initialized in init_syscallnames().
1106  */
1107 char **syscallnames;
1108 
1109 systrace_sysent_t *systrace_sysent;
1110 void (*systrace_probe)(dtrace_id_t, uintptr_t, uintptr_t,
1111     uintptr_t, uintptr_t, uintptr_t, uintptr_t);
1112 
1113 /*ARGSUSED*/
1114 void
1115 systrace_stub(dtrace_id_t id, uintptr_t arg0, uintptr_t arg1,
1116     uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
1117 {}
1118 
1119 /*ARGSUSED*/
1120 int64_t
1121 dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
1122     uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
1123 {
1124 	systrace_sysent_t *sy = &systrace_sysent[curthread->t_sysnum];
1125 	dtrace_id_t id;
1126 	int64_t rval;
1127 	proc_t *p;
1128 
1129 	if ((id = sy->stsy_entry) != DTRACE_IDNONE)
1130 		(*systrace_probe)(id, arg0, arg1, arg2, arg3, arg4, arg5);
1131 
1132 	/*
1133 	 * We want to explicitly allow DTrace consumers to stop a process
1134 	 * before it actually executes the meat of the syscall.
1135 	 */
1136 	p = ttoproc(curthread);
1137 	mutex_enter(&p->p_lock);
1138 	if (curthread->t_dtrace_stop && !curthread->t_lwp->lwp_nostop) {
1139 		curthread->t_dtrace_stop = 0;
1140 		stop(PR_REQUESTED, 0);
1141 	}
1142 	mutex_exit(&p->p_lock);
1143 
1144 	rval = (*sy->stsy_underlying)(arg0, arg1, arg2, arg3, arg4, arg5);
1145 
1146 	if (ttolwp(curthread)->lwp_errno != 0)
1147 		rval = -1;
1148 
1149 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
1150 		(*systrace_probe)(id, (uintptr_t)rval, (uintptr_t)rval,
1151 		    (uintptr_t)((int64_t)rval >> 32), 0, 0, 0);
1152 
1153 	return (rval);
1154 }
1155 
1156 #ifdef _SYSCALL32_IMPL
1157 
1158 systrace_sysent_t *systrace_sysent32;
1159 
1160 /*ARGSUSED*/
1161 int64_t
1162 dtrace_systrace_syscall32(uintptr_t arg0, uintptr_t arg1, uintptr_t arg2,
1163     uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
1164 {
1165 	systrace_sysent_t *sy = &systrace_sysent32[curthread->t_sysnum];
1166 	dtrace_id_t id;
1167 	int64_t rval;
1168 	proc_t *p;
1169 
1170 	if ((id = sy->stsy_entry) != DTRACE_IDNONE)
1171 		(*systrace_probe)(id, arg0, arg1, arg2, arg3, arg4, arg5);
1172 
1173 	/*
1174 	 * We want to explicitly allow DTrace consumers to stop a process
1175 	 * before it actually executes the meat of the syscall.
1176 	 */
1177 	p = ttoproc(curthread);
1178 	mutex_enter(&p->p_lock);
1179 	if (curthread->t_dtrace_stop && !curthread->t_lwp->lwp_nostop) {
1180 		curthread->t_dtrace_stop = 0;
1181 		stop(PR_REQUESTED, 0);
1182 	}
1183 	mutex_exit(&p->p_lock);
1184 
1185 	rval = (*sy->stsy_underlying)(arg0, arg1, arg2, arg3, arg4, arg5);
1186 
1187 	if (ttolwp(curthread)->lwp_errno != 0)
1188 		rval = -1;
1189 
1190 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
1191 		(*systrace_probe)(id, (uintptr_t)rval, (uintptr_t)rval,
1192 		    (uintptr_t)((uint64_t)rval >> 32), 0, 0, 0);
1193 
1194 	return (rval);
1195 }
1196 
1197 #endif
1198 
1199 void
1200 dtrace_systrace_rtt(void)
1201 {
1202 	systrace_sysent_t *sy;
1203 	dtrace_id_t id;
1204 
1205 	if (get_udatamodel() == DATAMODEL_NATIVE) {
1206 		if (systrace_sysent == NULL)
1207 			return;
1208 
1209 		sy = &systrace_sysent[curthread->t_sysnum];
1210 #ifdef _SYSCALL32_IMPL
1211 	} else {
1212 		if (systrace_sysent32 == NULL)
1213 			return;
1214 
1215 		sy = &systrace_sysent32[curthread->t_sysnum];
1216 #endif
1217 	}
1218 
1219 	if ((id = sy->stsy_return) != DTRACE_IDNONE)
1220 		(*systrace_probe)(id, 0, 0, 0, 0, 0, 0);
1221 }
1222