xref: /netbsd-src/sys/compat/sunos32/sunos32_misc.c (revision 3816d47b2c42fcd6e549e3407f842a5b1a1d23ad)
1 /*	$NetBSD: sunos32_misc.c,v 1.67 2009/06/29 05:08:16 dholland Exp $	*/
2 /* from :NetBSD: sunos_misc.c,v 1.107 2000/12/01 19:25:10 jdolecek Exp	*/
3 
4 /*
5  * Copyright (c) 2001 Matthew R. Green
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 /*
31  * Copyright (c) 1992, 1993
32  *	The Regents of the University of California.  All rights reserved.
33  *
34  * This software was developed by the Computer Systems Engineering group
35  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
36  * contributed to Berkeley.
37  *
38  * All advertising materials mentioning features or use of this software
39  * must display the following acknowledgement:
40  *	This product includes software developed by the University of
41  *	California, Lawrence Berkeley Laboratory.
42  *
43  * Redistribution and use in source and binary forms, with or without
44  * modification, are permitted provided that the following conditions
45  * are met:
46  * 1. Redistributions of source code must retain the above copyright
47  *    notice, this list of conditions and the following disclaimer.
48  * 2. Redistributions in binary form must reproduce the above copyright
49  *    notice, this list of conditions and the following disclaimer in the
50  *    documentation and/or other materials provided with the distribution.
51  * 3. Neither the name of the University nor the names of its contributors
52  *    may be used to endorse or promote products derived from this software
53  *    without specific prior written permission.
54  *
55  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
56  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
57  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
58  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
59  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
60  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
61  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
62  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
63  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
64  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
65  * SUCH DAMAGE.
66  *
67  *	@(#)sunos_misc.c	8.1 (Berkeley) 6/18/93
68  *
69  *	Header: sunos_misc.c,v 1.16 93/04/07 02:46:27 torek Exp
70  */
71 
72 /*
73  * SunOS compatibility module, 64-bit kernel version
74  *
75  * SunOS system calls that are implemented differently in BSD are
76  * handled here.
77  */
78 
79 #include <sys/cdefs.h>
80 __KERNEL_RCSID(0, "$NetBSD: sunos32_misc.c,v 1.67 2009/06/29 05:08:16 dholland Exp $");
81 
82 #define COMPAT_SUNOS 1
83 
84 #if defined(_KERNEL_OPT)
85 #include "opt_compat_43.h"
86 #include "opt_compat_netbsd.h"
87 #include "fs_nfs.h"
88 #endif
89 
90 #include <sys/param.h>
91 #include <sys/systm.h>
92 #include <sys/namei.h>
93 #include <sys/proc.h>
94 #include <sys/dirent.h>
95 #include <sys/file.h>
96 #include <sys/stat.h>
97 #include <sys/filedesc.h>
98 #include <sys/ioctl.h>
99 #include <sys/kernel.h>
100 #include <sys/reboot.h>
101 #include <sys/malloc.h>
102 #include <sys/mbuf.h>
103 #include <sys/mman.h>
104 #include <sys/mount.h>
105 #include <sys/ptrace.h>
106 #include <sys/resource.h>
107 #include <sys/resourcevar.h>
108 #include <sys/signal.h>
109 #include <sys/signalvar.h>
110 #include <sys/socket.h>
111 #include <sys/tty.h>
112 #include <sys/vnode.h>
113 #include <sys/uio.h>
114 #include <sys/wait.h>
115 #include <sys/utsname.h>
116 #include <sys/unistd.h>
117 #include <sys/syscall.h>
118 #include <sys/syscallargs.h>
119 #include <sys/conf.h>
120 #include <sys/socketvar.h>
121 #include <sys/exec.h>
122 #include <sys/swap.h>
123 #include <sys/kauth.h>
124 #include <sys/vfs_syscalls.h>
125 
126 #include <compat/netbsd32/netbsd32.h>
127 #include <compat/netbsd32/netbsd32_syscallargs.h>
128 #include <compat/sunos32/sunos32.h>
129 #include <compat/sunos32/sunos32_dirent.h>
130 #include <compat/sunos32/sunos32_syscallargs.h>
131 #include <compat/common/compat_util.h>
132 #include <compat/sys/mount.h>
133 
134 #include <netinet/in.h>
135 
136 #include <miscfs/specfs/specdev.h>
137 
138 #include <nfs/rpcv2.h>
139 #include <nfs/nfsproto.h>
140 #include <nfs/nfs.h>
141 #include <nfs/nfsmount.h>
142 
143 static void sunos32_sigvec_to_sigaction(const struct netbsd32_sigvec *, struct sigaction *);
144 static void sunos32_sigvec_from_sigaction(struct netbsd32_sigvec *, const struct sigaction *);
145 
146 static int sunstatfs(struct statvfs *, void *);
147 
148 static void
149 sunos32_sigvec_to_sigaction(const struct netbsd32_sigvec *sv, struct sigaction *sa)
150 {
151 /*XXX*/ extern void compat_43_sigmask_to_sigset(const int *, sigset_t *);
152 
153 	sa->sa_handler = NETBSD32PTR64(sv->sv_handler);
154 	compat_43_sigmask_to_sigset(&sv->sv_mask, &sa->sa_mask);
155 	sa->sa_flags = sv->sv_flags ^ SA_RESTART;
156 }
157 
158 static
159 void sunos32_sigvec_from_sigaction(sv, sa)
160 	struct netbsd32_sigvec *sv;
161 	const struct sigaction *sa;
162 {
163 /*XXX*/ extern void compat_43_sigset_to_sigmask(const sigset_t *, int *);
164 
165 	NETBSD32PTR32(sv->sv_handler, sa->sa_handler);
166 	compat_43_sigset_to_sigmask(&sa->sa_mask, &sv->sv_mask);
167 	sv->sv_flags = sa->sa_flags ^ SA_RESTART;
168 }
169 
170 int
171 sunos32_sys_stime(struct lwp *l, const struct sunos32_sys_stime_args *uap, register_t *retval)
172 {
173 	/* {
174 		syscallarg(sunos32_time_tp) tp;
175 	} */
176 	struct netbsd32_timeval ntv;
177 	struct timeval tv;
178 	int error;
179 
180 	error = copyin(SCARG_P32(uap, tp), &ntv.tv_sec, sizeof(ntv.tv_sec));
181 	if (error)
182 		return error;
183 	tv.tv_sec = ntv.tv_sec;
184 	tv.tv_usec = 0;
185 
186 	return settimeofday1(&tv, false, NULL, l, true);
187 }
188 
189 int
190 sunos32_sys_wait4(struct lwp *l, const struct sunos32_sys_wait4_args *uap, register_t *retval)
191 {
192 	/* {
193 		syscallarg(int) pid;
194 		syscallarg(netbsd32_intp) status;
195 		syscallarg(int) options;
196 		syscallarg(netbsd32_rusagep_t) rusage;
197 	} */
198 
199 	struct compat_50_netbsd32_wait4_args bsd_ua;
200 
201 	SCARG(&bsd_ua, pid) = SCARG(uap, pid) == 0 ? WAIT_ANY : SCARG(uap, pid);
202 	SCARG(&bsd_ua, status) = SCARG(uap, status);
203 	SCARG(&bsd_ua, options) = SCARG(uap, options);
204 	SCARG(&bsd_ua, rusage) = SCARG(uap, rusage);
205 
206 	return compat_50_netbsd32_wait4(l, &bsd_ua, retval);
207 }
208 
209 int
210 sunos32_sys_creat(struct lwp *l, const struct sunos32_sys_creat_args *uap, register_t *retval)
211 {
212 	/* {
213 		syscallarg(const netbsd32_charp) path;
214 		syscallarg(int) mode;
215 	} */
216 	struct sys_open_args ua;
217 
218 	SUNOS32TOP_UAP(path, const char);
219 	SCARG(&ua, flags) = O_WRONLY | O_CREAT | O_TRUNC;
220 	SUNOS32TO64_UAP(mode);
221 
222 	return (sys_open(l, &ua, retval));
223 }
224 
225 int
226 sunos32_sys_access(struct lwp *l, const struct sunos32_sys_access_args *uap, register_t *retval)
227 {
228 	/* {
229 		syscallarg(const netbsd32_charp) path;
230 		syscallarg(int) flags;
231 	} */
232 	struct sys_access_args ua;
233 
234 	SUNOS32TOP_UAP(path, const char);
235 	SUNOS32TO64_UAP(flags);
236 
237 	return (sys_access(l, &ua, retval));
238 }
239 
240 static inline void sunos32_from___stat13(struct stat *, struct netbsd32_stat43 *);
241 
242 static inline void
243 sunos32_from___stat13(struct stat *sbp, struct netbsd32_stat43 *sb32p)
244 {
245 	sb32p->st_dev = sbp->st_dev;
246 	sb32p->st_ino = sbp->st_ino;
247 	sb32p->st_mode = sbp->st_mode;
248 	sb32p->st_nlink = sbp->st_nlink;
249 	sb32p->st_uid = sbp->st_uid;
250 	sb32p->st_gid = sbp->st_gid;
251 	sb32p->st_rdev = sbp->st_rdev;
252 	if (sbp->st_size < (quad_t)1 << 32)
253 		sb32p->st_size = sbp->st_size;
254 	else
255 		sb32p->st_size = -2;
256 	sb32p->st_atimespec.tv_sec = (netbsd32_time_t)sbp->st_atimespec.tv_sec;
257 	sb32p->st_atimespec.tv_nsec = (netbsd32_long)sbp->st_atimespec.tv_nsec;
258 	sb32p->st_mtimespec.tv_sec = (netbsd32_time_t)sbp->st_mtimespec.tv_sec;
259 	sb32p->st_mtimespec.tv_nsec = (netbsd32_long)sbp->st_mtimespec.tv_nsec;
260 	sb32p->st_ctimespec.tv_sec = (netbsd32_time_t)sbp->st_ctimespec.tv_sec;
261 	sb32p->st_ctimespec.tv_nsec = (netbsd32_long)sbp->st_ctimespec.tv_nsec;
262 	sb32p->st_blksize = sbp->st_blksize;
263 	sb32p->st_blocks = sbp->st_blocks;
264 	sb32p->st_flags = sbp->st_flags;
265 	sb32p->st_gen = sbp->st_gen;
266 }
267 
268 
269 int
270 sunos32_sys_stat(struct lwp *l, const struct sunos32_sys_stat_args *uap, register_t *retval)
271 {
272 	/* {
273 		syscallarg(const netbsd32_charp) path;
274 		syscallarg(netbsd32_stat43p_t) ub;
275 	} */
276 	struct netbsd32_stat43 sb32;
277 	struct stat sb;
278 	const char *path;
279 	int error;
280 
281 	path = SCARG_P32(uap, path);
282 
283 	error = do_sys_stat(path, FOLLOW, &sb);
284 	if (error)
285 		return (error);
286 	sunos32_from___stat13(&sb, &sb32);
287 	error = copyout(&sb32, SCARG_P32(uap, ub), sizeof (sb32));
288 	return (error);
289 }
290 
291 int
292 sunos32_sys_lstat(struct lwp *l, const struct sunos32_sys_lstat_args *uap, register_t *retval)
293 {
294 	/* {
295 		syscallarg(const netbsd32_charp) path;
296 		syscallarg(netbsd32_stat43p_t) ub;
297 	} */
298 	struct vnode *vp, *dvp;
299 	struct stat sb, sb1;
300 	struct netbsd32_stat43 sb32;
301 	int error;
302 	struct nameidata nd;
303 	int ndflags;
304 	const char *path;
305 
306 	path = SCARG_P32(uap, path);
307 
308 	ndflags = NOFOLLOW | LOCKLEAF | LOCKPARENT | TRYEMULROOT;
309 again:
310 	NDINIT(&nd, LOOKUP, ndflags, UIO_USERSPACE, path);
311 	if ((error = namei(&nd))) {
312 		if (error == EISDIR && (ndflags & LOCKPARENT) != 0) {
313 			/*
314 			 * Should only happen on '/'. Retry without LOCKPARENT;
315 			 * this is safe since the vnode won't be a VLNK.
316 			 */
317 			ndflags &= ~LOCKPARENT;
318 			goto again;
319 		}
320 		return (error);
321 	}
322 	/*
323 	 * For symbolic links, always return the attributes of its
324 	 * containing directory, except for mode, size, and links.
325 	 */
326 	vp = nd.ni_vp;
327 	dvp = nd.ni_dvp;
328 	if (vp->v_type != VLNK) {
329 		if ((ndflags & LOCKPARENT) != 0) {
330 			if (dvp == vp)
331 				vrele(dvp);
332 			else
333 				vput(dvp);
334 		}
335 		error = vn_stat(vp, &sb);
336 		vput(vp);
337 		if (error)
338 			return (error);
339 	} else {
340 		error = vn_stat(dvp, &sb);
341 		vput(dvp);
342 		if (error) {
343 			vput(vp);
344 			return (error);
345 		}
346 		error = vn_stat(vp, &sb1);
347 		vput(vp);
348 		if (error)
349 			return (error);
350 		sb.st_mode &= ~S_IFDIR;
351 		sb.st_mode |= S_IFLNK;
352 		sb.st_nlink = sb1.st_nlink;
353 		sb.st_size = sb1.st_size;
354 		sb.st_blocks = sb1.st_blocks;
355 	}
356 	sunos32_from___stat13(&sb, &sb32);
357 	error = copyout((void *)&sb32, SCARG_P32(uap, ub), sizeof (sb32));
358 	return (error);
359 }
360 
361 static int
362 sunos32_execve_fetch_element(char * const *array, size_t index, char **value)
363 {
364 	int error;
365 	netbsd32_charp const *a32 = (void const *)array;
366 	netbsd32_charp e;
367 
368 	error = copyin(a32 + index, &e, sizeof(e));
369 	if (error)
370 		return error;
371 	*value = NETBSD32PTR64(e);
372 	return 0;
373 }
374 
375 int
376 sunos32_sys_execv(struct lwp *l, const struct sunos32_sys_execv_args *uap, register_t *retval)
377 {
378 	/* {
379 		syscallarg(const char *) path;
380 		syscallarg(char **) argv;
381 	} */
382 	const char *path = SCARG_P32(uap, path);
383 
384 	return execve1(l, path, SCARG_P32(uap, argp), NULL,
385 	    sunos32_execve_fetch_element);
386 }
387 
388 int
389 sunos32_sys_execve(struct lwp *l, const struct sunos32_sys_execve_args *uap, register_t *retval)
390 {
391 	/* {
392 		syscallarg(const char *) path;
393 		syscallarg(char **) argv;
394 		syscallarg(char **) envp;
395 	} */
396 	const char *path = SCARG_P32(uap, path);
397 
398 	return execve1(l, path, SCARG_P32(uap, argp),
399 	    SCARG_P32(uap, envp),
400 	    sunos32_execve_fetch_element);
401 }
402 
403 int
404 sunos32_sys_omsync(struct lwp *l, const struct sunos32_sys_omsync_args *uap, register_t *retval)
405 {
406 	/* {
407 		syscallarg(netbsd32_caddr_t) addr;
408 		syscallarg(netbsd32_size_t) len;
409 		syscallarg(int) flags;
410 	} */
411 	struct netbsd32___msync13_args ouap;
412 
413 	SCARG(&ouap, addr) = SCARG(uap, addr);
414 	SCARG(&ouap, len) = SCARG(uap, len);
415 	SCARG(&ouap, flags) = SCARG(uap, flags);
416 
417 	return (netbsd32___msync13(l, &ouap, retval));
418 }
419 
420 int
421 sunos32_sys_unmount(struct lwp *l, const struct sunos32_sys_unmount_args *uap, register_t *retval)
422 {
423 	/* {
424 		syscallarg(netbsd32_charp) path;
425 	} */
426 	struct sys_unmount_args ua;
427 
428 	SUNOS32TOP_UAP(path, const char);
429 	SCARG(&ua, flags) = 0;
430 
431 	return (sys_unmount(l, &ua, retval));
432 }
433 
434 /*
435  * Conversion table for SunOS NFS mount flags.
436  */
437 static struct {
438 	int	sun_flg;
439 	int	bsd_flg;
440 } sunnfs_flgtab[] = {
441 	{ SUNNFS_SOFT,		NFSMNT_SOFT },
442 	{ SUNNFS_WSIZE,		NFSMNT_WSIZE },
443 	{ SUNNFS_RSIZE,		NFSMNT_RSIZE },
444 	{ SUNNFS_TIMEO,		NFSMNT_TIMEO },
445 	{ SUNNFS_RETRANS,	NFSMNT_RETRANS },
446 	{ SUNNFS_HOSTNAME,	0 },			/* Ignored */
447 	{ SUNNFS_INT,		NFSMNT_INT },
448 	{ SUNNFS_NOAC,		0 },			/* Ignored */
449 	{ SUNNFS_ACREGMIN,	0 },			/* Ignored */
450 	{ SUNNFS_ACREGMAX,	0 },			/* Ignored */
451 	{ SUNNFS_ACDIRMIN,	0 },			/* Ignored */
452 	{ SUNNFS_ACDIRMAX,	0 },			/* Ignored */
453 	{ SUNNFS_SECURE,	0 },			/* Ignored */
454 	{ SUNNFS_NOCTO,		0 },			/* Ignored */
455 	{ SUNNFS_POSIX,		0 }			/* Ignored */
456 };
457 
458 int
459 sunos32_sys_mount(struct lwp *l, const struct sunos32_sys_mount_args *uap, register_t *retval)
460 {
461 	/* {
462 		syscallarg(netbsd32_charp) type;
463 		syscallarg(netbsd32_charp) path;
464 		syscallarg(int) flags;
465 		syscallarg(netbsd32_caddr_t) data;
466 	} */
467 	int oflags = SCARG(uap, flags), nflags, error;
468 	char fsname[MFSNAMELEN];
469 	register_t dummy;
470 
471 	if (oflags & (SUNM_NOSUB | SUNM_SYS5))
472 		return (EINVAL);
473 	if ((oflags & SUNM_NEWTYPE) == 0)
474 		return (EINVAL);
475 	nflags = 0;
476 	if (oflags & SUNM_RDONLY)
477 		nflags |= MNT_RDONLY;
478 	if (oflags & SUNM_NOSUID)
479 		nflags |= MNT_NOSUID;
480 	if (oflags & SUNM_REMOUNT)
481 		nflags |= MNT_UPDATE;
482 
483 	error = copyinstr(SCARG_P32(uap, type), fsname, sizeof fsname, NULL);
484 	if (error)
485 		return (error);
486 
487 	if (strncmp(fsname, "nfs", sizeof fsname) == 0) {
488 		struct sunos_nfs_args sna;
489 		struct nfs_args na;	/* XXX */
490 		int n;
491 
492 		error = copyin(SCARG_P32(uap, data), &sna, sizeof sna);
493 		if (error)
494 			return (error);
495 		/* sa.sa_len = sizeof(sain); */
496 		na.version = NFS_ARGSVERSION;
497 		na.addr = (void *)sna.addr;
498 		na.addrlen = sizeof(struct sockaddr);
499 		na.sotype = SOCK_DGRAM;
500 		na.proto = IPPROTO_UDP;
501 		na.fh = sna.fh;
502 		na.fhsize = NFSX_V2FH;
503 		na.flags = 0;
504 		n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]);
505 		while (--n >= 0)
506 			if (sna.flags & sunnfs_flgtab[n].sun_flg)
507 				na.flags |= sunnfs_flgtab[n].bsd_flg;
508 		na.wsize = sna.wsize;
509 		na.rsize = sna.rsize;
510 		if (na.flags & NFSMNT_RSIZE) {
511 			na.flags |= NFSMNT_READDIRSIZE;
512 			na.readdirsize = na.rsize;
513 		}
514 		na.timeo = sna.timeo;
515 		na.retrans = sna.retrans;
516 		na.hostname = (char *)(u_long)sna.hostname;
517 
518 		return do_sys_mount(l, vfs_getopsbyname("nfs"), NULL,
519 		    SCARG_P32(uap, path), nflags, &na, UIO_SYSSPACE, sizeof na,
520 		    &dummy);
521 	}
522 
523 	if (strcmp(fsname, "4.2") == 0)
524 		strcpy(fsname, "ffs");
525 
526 	return do_sys_mount(l, vfs_getopsbyname(fsname), NULL,
527 	    SCARG_P32(uap, path), nflags, SCARG_P32(uap, data), UIO_USERSPACE,
528 	    0, &dummy);
529 }
530 
531 #if defined(NFS)
532 int
533 async_daemon(struct lwp *l, const void *v, register_t *retval)
534 {
535 	struct netbsd32_nfssvc_args ouap;
536 
537 	SCARG(&ouap, flag) = NFSSVC_BIOD;
538 	NETBSD32PTR32(SCARG(&ouap, argp), 0);
539 
540 	return (netbsd32_nfssvc(l, &ouap, retval));
541 }
542 #endif /* NFS */
543 
544 void	native_to_sunos_sigset(const sigset_t *, int *);
545 void	sunos_to_native_sigset(const int, sigset_t *);
546 
547 inline void
548 native_to_sunos_sigset(const sigset_t *ss, int *mask)
549 {
550 	*mask = ss->__bits[0];
551 }
552 
553 inline void
554 sunos_to_native_sigset(const int mask, sigset_t *ss)
555 {
556 
557 	ss->__bits[0] = mask;
558 	ss->__bits[1] = 0;
559 	ss->__bits[2] = 0;
560 	ss->__bits[3] = 0;
561 }
562 
563 int
564 sunos32_sys_sigpending(struct lwp *l, const struct sunos32_sys_sigpending_args *uap, register_t *retval)
565 {
566 	/* {
567 		syscallarg(netbsd32_intp) mask;
568 	} */
569 	sigset_t ss;
570 	int mask;
571 
572 	sigpending1(l, &ss);
573 	native_to_sunos_sigset(&ss, &mask);
574 
575 	return (copyout((void *)(u_long)&mask, SCARG_P32(uap, mask), sizeof(int)));
576 }
577 
578 int
579 sunos32_sys_sigsuspend(struct lwp *l, const struct sunos32_sys_sigsuspend_args *uap, register_t *retval)
580 {
581 	/* {
582 		syscallarg(int) mask;
583 	} */
584 	int mask;
585 	sigset_t ss;
586 
587 	mask = SCARG(uap, mask);
588 	sunos_to_native_sigset(mask, &ss);
589 	return (sigsuspend1(l, &ss));
590 }
591 
592 /*
593  * Read Sun-style directory entries.  We suck them into kernel space so
594  * that they can be massaged before being copied out to user code.  Like
595  * SunOS, we squish out `empty' entries.
596  *
597  * This is quite ugly, but what do you expect from compatibility code?
598  */
599 int
600 sunos32_sys_getdents(struct lwp *l, const struct sunos32_sys_getdents_args *uap, register_t *retval)
601 {
602 	/* {
603 		syscallarg(int) fd;
604 		syscallarg(netbsd32_charp) buf;
605 		syscallarg(int) nbytes;
606 	} */
607 	struct dirent *bdp;
608 	struct vnode *vp;
609 	char *inp, *sbuf;	/* BSD-format */
610 	int len, reclen;	/* BSD-format */
611 	char *outp;		/* Sun-format */
612 	int resid, sunos_reclen;/* Sun-format */
613 	struct file *fp;
614 	struct uio auio;
615 	struct iovec aiov;
616 	struct sunos32_dirent idb;
617 	off_t off;			/* true file offset */
618 	int buflen, error, eofflag;
619 	off_t *cookiebuf, *cookie;
620 	int ncookies;
621 
622 	/* fd_getvnode() will use the descriptor for us */
623 	if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0)
624 		return (error);
625 
626 	if ((fp->f_flag & FREAD) == 0) {
627 		error = EBADF;
628 		goto out1;
629 	}
630 
631 	vp = fp->f_data;
632 	if (vp->v_type != VDIR) {
633 		error = EINVAL;
634 		goto out1;
635 	}
636 
637 	buflen = min(MAXBSIZE, SCARG(uap, nbytes));
638 	sbuf = malloc(buflen, M_TEMP, M_WAITOK);
639 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
640 	off = fp->f_offset;
641 again:
642 	aiov.iov_base = sbuf;
643 	aiov.iov_len = buflen;
644 	auio.uio_iov = &aiov;
645 	auio.uio_iovcnt = 1;
646 	auio.uio_rw = UIO_READ;
647 	auio.uio_resid = buflen;
648 	auio.uio_offset = off;
649 	UIO_SETUP_SYSSPACE(&auio);
650 	/*
651 	 * First we read into the malloc'ed buffer, then
652 	 * we massage it into user space, one record at a time.
653 	 */
654 	error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf,
655 	    &ncookies);
656 	if (error)
657 		goto out;
658 
659 	inp = sbuf;
660 	outp = SCARG_P32(uap, buf);
661 	resid = SCARG(uap, nbytes);
662 	if ((len = buflen - auio.uio_resid) == 0)
663 		goto eof;
664 
665 	for (cookie = cookiebuf; len > 0; len -= reclen) {
666 		bdp = (struct dirent *)inp;
667 		reclen = bdp->d_reclen;
668 		if (reclen & 3)
669 			panic("sunos_getdents");
670 		if (cookie && (*cookie >> 32) != 0) {
671 			compat_offseterr(vp, "sunos_getdents");
672 			error = EINVAL;
673 			goto out;
674 		}
675 		if (bdp->d_fileno == 0) {
676 			inp += reclen;	/* it is a hole; squish it out */
677 			if (cookie)
678 				off = *cookie++;
679 			else
680 				off += reclen;
681 			continue;
682 		}
683 		sunos_reclen = SUNOS32_RECLEN(&idb, bdp->d_namlen);
684 		if (reclen > len || resid < sunos_reclen) {
685 			/* entry too big for buffer, so just stop */
686 			outp++;
687 			break;
688 		}
689 		if (cookie)
690 			off = *cookie++;	/* each entry points to next */
691 		else
692 			off += reclen;
693 		/*
694 		 * Massage in place to make a Sun-shaped dirent (otherwise
695 		 * we have to worry about touching user memory outside of
696 		 * the copyout() call).
697 		 */
698 		idb.d_fileno = bdp->d_fileno;
699 		idb.d_off = off;
700 		idb.d_reclen = sunos_reclen;
701 		idb.d_namlen = bdp->d_namlen;
702 		strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name));
703 		if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0)
704 			goto out;
705 		/* advance past this real entry */
706 		inp += reclen;
707 		/* advance output past Sun-shaped entry */
708 		outp += sunos_reclen;
709 		resid -= sunos_reclen;
710 	}
711 
712 	/* if we squished out the whole block, try again */
713 	if (outp == SCARG_P32(uap, buf))
714 		goto again;
715 	fp->f_offset = off;		/* update the vnode offset */
716 
717 eof:
718 	*retval = SCARG(uap, nbytes) - resid;
719 out:
720 	VOP_UNLOCK(vp, 0);
721 	free(cookiebuf, M_TEMP);
722 	free(sbuf, M_TEMP);
723  out1:
724  	fd_putfile(SCARG(uap, fd));
725 	return (error);
726 }
727 
728 #define	SUNOS32__MAP_NEW	0x80000000	/* if not, old mmap & cannot handle */
729 
730 int
731 sunos32_sys_mmap(struct lwp *l, const struct sunos32_sys_mmap_args *uap, register_t *retval)
732 {
733 	/* {
734 		syscallarg(netbsd32_voidp) addr;
735 		syscallarg(netbsd32_size_t) len;
736 		syscallarg(int) prot;
737 		syscallarg(int) flags;
738 		syscallarg(int) fd;
739 		syscallarg(netbsd32_long) pos;
740 	} */
741 	struct sys_mmap_args ua;
742 	int error;
743 
744 	/*
745 	 * Verify the arguments.
746 	 */
747 	if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC))
748 		return (EINVAL);			/* XXX still needed? */
749 
750 	if ((SCARG(uap, flags) & SUNOS32__MAP_NEW) == 0)
751 		return (EINVAL);
752 
753 	SUNOS32TOP_UAP(addr, void);
754 	SUNOS32TOX_UAP(len, size_t);
755 	SUNOS32TO64_UAP(prot);
756 	SCARG(&ua, flags) = SCARG(uap, flags) & ~SUNOS32__MAP_NEW;
757 	SUNOS32TO64_UAP(fd);
758 	SCARG(&ua, PAD) = 0;
759 	SUNOS32TOX_UAP(pos, off_t);
760 
761 	error = sys_mmap(l, &ua, retval);
762 	if ((u_long)*retval > (u_long)UINT_MAX) {
763 		printf("sunos32_mmap: retval out of range: 0x%lx",
764 		       (u_long)*retval);
765 		/* Should try to recover and return an error here. */
766 	}
767 	return (error);
768 }
769 
770 #define	MC_SYNC		1
771 #define	MC_LOCK		2
772 #define	MC_UNLOCK	3
773 #define	MC_ADVISE	4
774 #define	MC_LOCKAS	5
775 #define	MC_UNLOCKAS	6
776 
777 int
778 sunos32_sys_mctl(struct lwp *l, const struct sunos32_sys_mctl_args *uap, register_t *retval)
779 {
780 	/* {
781 		syscallarg(netbsd32_voidp) addr;
782 		syscallarg(int) len;
783 		syscallarg(int) func;
784 		syscallarg(netbsd32_voidp) arg;
785 	} */
786 
787 	switch (SCARG(uap, func)) {
788 	case MC_ADVISE:		/* ignore for now */
789 		return (0);
790 	case MC_SYNC:		/* translate to msync */
791 		return (netbsd32___msync13(l, (const void *)uap, retval));
792 	default:
793 		return (EINVAL);
794 	}
795 }
796 
797 int
798 sunos32_sys_setsockopt(struct lwp *l, const struct sunos32_sys_setsockopt_args *uap, register_t *retval)
799 {
800 	/* {
801 		syscallarg(int) s;
802 		syscallarg(int) level;
803 		syscallarg(int) name;
804 		syscallarg(netbsd32_caddr_t) val;
805 		syscallarg(int) valsize;
806 	} */
807 	struct sockopt sopt;
808 	struct socket *so;
809 	int name = SCARG(uap, name);
810 	int error;
811 
812 	/* fd_getsock() will use the descriptor for us */
813 	if ((error = fd_getsock(SCARG(uap, s), &so)) != 0)
814 		return (error);
815 #define	SO_DONTLINGER (~SO_LINGER)
816 	if (name == SO_DONTLINGER) {
817 		struct linger lg;
818 
819 		lg.l_onoff = 0;
820 		error = so_setsockopt(l, so, SCARG(uap, level), SO_LINGER,
821 		    &lg, sizeof(lg));
822 		goto out;
823 	}
824 	if (SCARG(uap, level) == IPPROTO_IP) {
825 #define		SUNOS_IP_MULTICAST_IF		2
826 #define		SUNOS_IP_MULTICAST_TTL		3
827 #define		SUNOS_IP_MULTICAST_LOOP		4
828 #define		SUNOS_IP_ADD_MEMBERSHIP		5
829 #define		SUNOS_IP_DROP_MEMBERSHIP	6
830 		static const int ipoptxlat[] = {
831 			IP_MULTICAST_IF,
832 			IP_MULTICAST_TTL,
833 			IP_MULTICAST_LOOP,
834 			IP_ADD_MEMBERSHIP,
835 			IP_DROP_MEMBERSHIP
836 		};
837 		if (name >= SUNOS_IP_MULTICAST_IF &&
838 		    name <= SUNOS_IP_DROP_MEMBERSHIP) {
839 			name = ipoptxlat[name - SUNOS_IP_MULTICAST_IF];
840 		}
841 	}
842 	if (SCARG(uap, valsize) > MLEN) {
843 		error = EINVAL;
844 		goto out;
845 	}
846 	sockopt_init(&sopt, SCARG(uap, level), name, SCARG(uap, valsize));
847 	if (SCARG_P32(uap, val)) {
848 		error = copyin(SCARG_P32(uap, val), sopt.sopt_data,
849 		    (u_int)SCARG(uap, valsize));
850 	}
851 	if (error == 0)
852 		error = sosetopt(so, &sopt);
853 	sockopt_destroy(&sopt);
854  out:
855  	fd_putfile(SCARG(uap, s));
856 	return (error);
857 }
858 
859 static inline int sunos32_sys_socket_common(struct lwp *, register_t *,
860 					      int type);
861 static inline int
862 sunos32_sys_socket_common(struct lwp *l, register_t *retval, int type)
863 {
864 	struct socket *so;
865 	int error, fd;
866 
867 	/* fd_getsock() will use the descriptor for us */
868 	fd = (int)*retval;
869 	if ((error = fd_getsock(fd, &so)) == 0) {
870 		if (type == SOCK_DGRAM)
871 			so->so_options |= SO_BROADCAST;
872 		fd_putfile(fd);
873 	}
874 	return (error);
875 }
876 
877 int
878 sunos32_sys_socket(struct lwp *l, const struct sunos32_sys_socket_args *uap, register_t *retval)
879 {
880 	/* {
881 		syscallarg(int) domain;
882 		syscallarg(int) type;
883 		syscallarg(int) protocol;
884 	} */
885 	int error;
886 
887 	error = netbsd32___socket30(l, (const void *)uap, retval);
888 	if (error)
889 		return (error);
890 	return sunos32_sys_socket_common(l, retval, SCARG(uap, type));
891 }
892 
893 int
894 sunos32_sys_socketpair(struct lwp *l, const struct sunos32_sys_socketpair_args *uap, register_t *retval)
895 {
896 	/* {
897 		syscallarg(int) domain;
898 		syscallarg(int) type;
899 		syscallarg(int) protocol;
900 		syscallarg(int *) rsv;
901 	} */
902 	int error;
903 
904 	error = netbsd32_socketpair(l, (const void *)uap, retval);
905 	if (error)
906 		return (error);
907 	return sunos32_sys_socket_common(l, retval, SCARG(uap, type));
908 }
909 
910 
911 /*
912  * XXX: This needs cleaning up.
913  */
914 int
915 sunos32_sys_auditsys(struct lwp *l, const struct sunos32_sys_auditsys_args *uap, register_t *retval)
916 {
917 	return 0;
918 }
919 
920 int
921 sunos32_sys_uname(struct lwp *l, const struct sunos32_sys_uname_args *uap, register_t *retval)
922 {
923 	/* {
924 		syscallarg(sunos32_utsnamep_t) name;
925 	} */
926 	struct sunos_utsname sut;
927 
928 	memset(&sut, 0, sizeof(sut));
929 
930 	memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1);
931 	memcpy(sut.nodename, hostname, sizeof(sut.nodename));
932 	sut.nodename[sizeof(sut.nodename)-1] = '\0';
933 	memcpy(sut.release, osrelease, sizeof(sut.release) - 1);
934 	memcpy(sut.version, "1", sizeof(sut.version) - 1);
935 	memcpy(sut.machine, machine, sizeof(sut.machine) - 1);
936 
937 	return copyout((void *)&sut, SCARG_P32(uap, name),
938 	    sizeof(struct sunos_utsname));
939 }
940 
941 int
942 sunos32_sys_setpgrp(struct lwp *l, const struct sunos32_sys_setpgrp_args *uap, register_t *retval)
943 {
944 	/* {
945 		syscallarg(int) pid;
946 		syscallarg(int) pgid;
947 	} */
948 	struct proc *p = l->l_proc;
949 
950 	/*
951 	 * difference to our setpgid call is to include backwards
952 	 * compatibility to pre-setsid() binaries. Do setsid()
953 	 * instead of setpgid() in those cases where the process
954 	 * tries to create a new session the old way.
955 	 */
956 	if (!SCARG(uap, pgid) &&
957 	    (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid))
958 		return sys_setsid(l, NULL, retval);
959 	else
960 		return netbsd32_setpgid(l, (const void *)uap, retval);
961 }
962 
963 int
964 sunos32_sys_open(struct lwp *l, const struct sunos32_sys_open_args *uap, register_t *retval)
965 {
966 	/* {
967 		syscallarg(const netbsd32_charp) path;
968 		syscallarg(int) flags;
969 		syscallarg(int) mode;
970 	} */
971 	struct proc *p = l->l_proc;
972 	struct sys_open_args ua;
973 	int lf, r;
974 	int noctty;
975 	int ret;
976 
977 	/* convert mode into NetBSD mode */
978 	lf = SCARG(uap, flags);
979 	noctty = lf & 0x8000;
980 	r =	(lf & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800));
981 	r |=	((lf & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0);
982 	r |=	((lf & 0x0080) ? O_SHLOCK : 0);
983 	r |=	((lf & 0x0100) ? O_EXLOCK : 0);
984 	r |=	((lf & 0x2000) ? O_FSYNC : 0);
985 
986 	SUNOS32TOP_UAP(path, const char);
987 	SCARG(&ua, flags) = r;
988 	SUNOS32TO64_UAP(mode);
989 
990 	ret = sys_open(l, &ua, retval);
991 
992 	/* XXXSMP unlocked */
993 	if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) {
994 		file_t *fp;
995 		int fd;
996 
997 		fd = (int)*retval;
998 		fp = fd_getfile(fd);
999 
1000 		/* ignore any error, just give it a try */
1001 		if (fp != NULL) {
1002 			if (fp->f_type == DTYPE_VNODE)
1003 				(fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL);
1004 			fd_putfile(fd);
1005 		}
1006 	}
1007 	return ret;
1008 }
1009 
1010 int
1011 sunos32_sys_nfssvc(struct lwp *l, const struct sunos32_sys_nfssvc_args *uap, register_t *retval)
1012 {
1013 #if 0
1014 	struct emul *e = p->p_emul;
1015 	struct sys_nfssvc_args outuap;
1016 	struct sockaddr sa;
1017 	int error;
1018 	void *sg = stackgap_init(p, 0);
1019 
1020 	memset(&outuap, 0, sizeof outuap);
1021 	SCARG(&outuap, fd) = SCARG(uap, fd);
1022 	SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa));
1023 	SCARG(&outuap, msklen) = sizeof(sa);
1024 	SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa));
1025 	SCARG(&outuap, mtchlen) = sizeof(sa);
1026 
1027 	memset(&sa, 0, sizeof sa);
1028 	if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen)))
1029 		return (error);
1030 	if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen)))
1031 		return (error);
1032 
1033 	return nfssvc(l, &outuap, retval);
1034 #else
1035 	return (ENOSYS);
1036 #endif
1037 }
1038 
1039 int
1040 sunos32_sys_ustat(struct lwp *l, const struct sunos32_sys_ustat_args *uap, register_t *retval)
1041 {
1042 	/* {
1043 		syscallarg(int) dev;
1044 		syscallarg(sunos32_ustatp_t) buf;
1045 	} */
1046 	struct sunos_ustat us;
1047 	int error;
1048 
1049 	memset(&us, 0, sizeof us);
1050 
1051 	/*
1052 	 * XXX: should set f_tfree and f_tinode at least
1053 	 * How do we translate dev -> fstat? (and then to sunos_ustat)
1054 	 */
1055 
1056 	if ((error = copyout(&us, SCARG_P32(uap, buf), sizeof us)) != 0)
1057 		return (error);
1058 	return 0;
1059 }
1060 
1061 int
1062 sunos32_sys_quotactl(struct lwp *l, const struct sunos32_sys_quotactl_args *uap, register_t *retval)
1063 {
1064 
1065 	return EINVAL;
1066 }
1067 
1068 int
1069 sunos32_sys_vhangup(struct lwp *l, const void *v, register_t *retval)
1070 {
1071 	struct proc *p = l->l_proc;
1072 	struct session *sp = p->p_session;
1073 
1074 	if (sp->s_ttyvp == 0)
1075 		return 0;
1076 
1077 	if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp)
1078 		pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1);
1079 
1080 	(void) ttywait(sp->s_ttyp);
1081 	if (sp->s_ttyvp)
1082 		VOP_REVOKE(sp->s_ttyvp, REVOKEALL);
1083 	if (sp->s_ttyvp)
1084 		vrele(sp->s_ttyvp);
1085 	sp->s_ttyvp = NULL;
1086 
1087 	return 0;
1088 }
1089 
1090 static int
1091 sunstatfs(struct statvfs *sp, void *sbuf)
1092 {
1093 	struct sunos_statfs ssfs;
1094 
1095 	memset(&ssfs, 0, sizeof ssfs);
1096 	ssfs.f_type = 0;
1097 	ssfs.f_bsize = sp->f_bsize;
1098 	ssfs.f_blocks = sp->f_blocks;
1099 	ssfs.f_bfree = sp->f_bfree;
1100 	ssfs.f_bavail = sp->f_bavail;
1101 	ssfs.f_files = sp->f_files;
1102 	ssfs.f_ffree = sp->f_ffree;
1103 	ssfs.f_fsid = sp->f_fsidx;
1104 	return copyout((void *)&ssfs, sbuf, sizeof ssfs);
1105 }
1106 
1107 int
1108 sunos32_sys_statfs(struct lwp *l, const struct sunos32_sys_statfs_args *uap, register_t *retval)
1109 {
1110 	/* {
1111 		syscallarg(const netbsd32_charp) path;
1112 		syscallarg(sunos32_statfsp_t) buf;
1113 	} */
1114 	struct mount *mp;
1115 	struct statvfs *sp;
1116 	int error;
1117 	struct vnode *vp;
1118 	struct sys_statvfs1_args ua;
1119 
1120 	SUNOS32TOP_UAP(path, const char);
1121 
1122 	error = namei_simple_user(SCARG(&ua, path),
1123 				NSM_FOLLOW_TRYEMULROOT, &vp);
1124 	if (error != 0)
1125 		return (error);
1126 	mp = vp->v_mount;
1127 	sp = &mp->mnt_stat;
1128 	vrele(vp);
1129 	if ((error = VFS_STATVFS(mp, sp)) != 0)
1130 		return (error);
1131 	sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK;
1132 	return sunstatfs(sp, SCARG_P32(uap, buf));
1133 }
1134 
1135 int
1136 sunos32_sys_fstatfs(struct lwp *l, const struct sunos32_sys_fstatfs_args *uap, register_t *retval)
1137 {
1138 	/* {
1139 		syscallarg(int) fd;
1140 		syscallarg(sunos32_statfsp_t) buf;
1141 	} */
1142 	file_t *fp;
1143 	struct mount *mp;
1144 	struct statvfs *sp;
1145 	int error;
1146 
1147 	/* fd_getvnode() will use the descriptor for us */
1148 	if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0)
1149 		return (error);
1150 	mp = ((struct vnode *)fp->f_data)->v_mount;
1151 	sp = &mp->mnt_stat;
1152 	if ((error = VFS_STATVFS(mp, sp)) != 0)
1153 		goto out;
1154 	sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK;
1155 	error = sunstatfs(sp, SCARG_P32(uap, buf));
1156  out:
1157  	fd_putfile(SCARG(uap, fd));
1158 	return (error);
1159 }
1160 
1161 int
1162 sunos32_sys_exportfs(struct lwp *l, const struct sunos32_sys_exportfs_args *uap, register_t *retval)
1163 {
1164 	/*
1165 	 * XXX: should perhaps translate into a mount(2)
1166 	 * with MOUNT_EXPORT?
1167 	 */
1168 	return 0;
1169 }
1170 
1171 int
1172 sunos32_sys_mknod(struct lwp *l, const struct sunos32_sys_mknod_args *uap, register_t *retval)
1173 {
1174 	/* {
1175 		syscallarg(const netbsd32_charp) path;
1176 		syscallarg(int) mode;
1177 		syscallarg(int) dev;
1178 	} */
1179 
1180 	if (S_ISFIFO(SCARG(uap, mode)))
1181 		return netbsd32_mkfifo(l, (const struct netbsd32_mkfifo_args *)uap, retval);
1182 
1183 	return compat_50_netbsd32_mknod(l, (const struct compat_50_netbsd32_mknod_args *)uap, retval);
1184 }
1185 
1186 #define SUNOS_SC_ARG_MAX	1
1187 #define SUNOS_SC_CHILD_MAX	2
1188 #define SUNOS_SC_CLK_TCK	3
1189 #define SUNOS_SC_NGROUPS_MAX	4
1190 #define SUNOS_SC_OPEN_MAX	5
1191 #define SUNOS_SC_JOB_CONTROL	6
1192 #define SUNOS_SC_SAVED_IDS	7
1193 #define SUNOS_SC_VERSION	8
1194 
1195 int
1196 sunos32_sys_sysconf(struct lwp *l, const struct sunos32_sys_sysconf_args *uap, register_t *retval)
1197 {
1198 	/* {
1199 		syscallarg(int) name;
1200 	} */
1201 	extern u_int maxfiles;
1202 
1203 	switch(SCARG(uap, name)) {
1204 	case SUNOS_SC_ARG_MAX:
1205 		*retval = ARG_MAX;
1206 		break;
1207 	case SUNOS_SC_CHILD_MAX:
1208 		*retval = maxproc;
1209 		break;
1210 	case SUNOS_SC_CLK_TCK:
1211 		*retval = 60;		/* should this be `hz', ie. 100? */
1212 		break;
1213 	case SUNOS_SC_NGROUPS_MAX:
1214 		*retval = NGROUPS_MAX;
1215 		break;
1216 	case SUNOS_SC_OPEN_MAX:
1217 		*retval = maxfiles;
1218 		break;
1219 	case SUNOS_SC_JOB_CONTROL:
1220 		*retval = 1;
1221 		break;
1222 	case SUNOS_SC_SAVED_IDS:
1223 #ifdef _POSIX_SAVED_IDS
1224 		*retval = 1;
1225 #else
1226 		*retval = 0;
1227 #endif
1228 		break;
1229 	case SUNOS_SC_VERSION:
1230 		*retval = 198808;
1231 		break;
1232 	default:
1233 		return EINVAL;
1234 	}
1235 	return 0;
1236 }
1237 
1238 #define SUNOS_RLIMIT_NOFILE	6	/* Other RLIMIT_* are the same */
1239 #define SUNOS_RLIM_NLIMITS	7
1240 
1241 int
1242 sunos32_sys_getrlimit(struct lwp *l, const struct sunos32_sys_getrlimit_args *uap, register_t *retval)
1243 {
1244 	/* {
1245 		syscallarg(u_int) which;
1246 		syscallarg(netbsd32_orlimitp_t) rlp;
1247 	} */
1248 	struct compat_43_netbsd32_ogetrlimit_args ua_43;
1249 
1250 	if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS)
1251 		return EINVAL;
1252 
1253 	SCARG(&ua_43, which) = SCARG(uap, which) == SUNOS_RLIMIT_NOFILE ? RLIMIT_NOFILE : SCARG(uap, which);
1254 	SCARG(&ua_43, rlp) = SCARG(uap, rlp);
1255 
1256 	return compat_43_netbsd32_ogetrlimit(l, &ua_43, retval);
1257 }
1258 
1259 int
1260 sunos32_sys_setrlimit(struct lwp *l, const struct sunos32_sys_setrlimit_args *uap, register_t *retval)
1261 {
1262 	/* {
1263 		syscallarg(u_int) which;
1264 		syscallarg(netbsd32_orlimitp_t) rlp;
1265 	} */
1266 	struct compat_43_netbsd32_osetrlimit_args ua_43;
1267 
1268 	if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS)
1269 		return EINVAL;
1270 
1271 	SCARG(&ua_43, which) = SCARG(uap, which) == SUNOS_RLIMIT_NOFILE ? RLIMIT_NOFILE : SCARG(uap, which);
1272 	SCARG(&ua_43, rlp) = SCARG(uap, rlp);
1273 
1274 	return compat_43_netbsd32_osetrlimit(l, &ua_43, retval);
1275 }
1276 
1277 /* for the m68k machines */
1278 #ifndef PT_GETFPREGS
1279 #define PT_GETFPREGS -1
1280 #endif
1281 #ifndef PT_SETFPREGS
1282 #define PT_SETFPREGS -1
1283 #endif
1284 
1285 static const int sreq2breq[] = {
1286 	PT_TRACE_ME,    PT_READ_I,      PT_READ_D,      -1,
1287 	PT_WRITE_I,     PT_WRITE_D,     -1,             PT_CONTINUE,
1288 	PT_KILL,        -1,             PT_ATTACH,      PT_DETACH,
1289 	PT_GETREGS,     PT_SETREGS,     PT_GETFPREGS,   PT_SETFPREGS
1290 };
1291 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]);
1292 
1293 int
1294 sunos32_sys_ptrace(struct lwp *l, const struct sunos32_sys_ptrace_args *uap, register_t *retval)
1295 {
1296 	/* {
1297 		syscallarg(int) req;
1298 		syscallarg(pid_t) pid;
1299 		syscallarg(netbsd32_caddr_t) addr;
1300 		syscallarg(int) data;
1301 		syscallarg(netbsd32_charp) addr2;
1302 	} */
1303 	struct netbsd32_ptrace_args pa;
1304 	int req;
1305 
1306 #define sys_ptrace sysent[SYS_ptrace].sy_call
1307 	if (sys_ptrace == sys_nosys)
1308 		return ENOSYS;
1309 
1310 	req = SCARG(uap, req);
1311 	if ((unsigned int)req >= nreqs)
1312 		return (EINVAL);
1313 
1314 	req = sreq2breq[req];
1315 	if (req == -1)
1316 		return (EINVAL);
1317 
1318 	SCARG(&pa, req) = req;
1319 	SCARG(&pa, pid) = (pid_t)SCARG(uap, pid);
1320 	SCARG(&pa, addr) = SCARG(uap, addr);
1321 	SCARG(&pa, data) = SCARG(uap, data);
1322 
1323 	return netbsd32_ptrace(l, &pa, retval);
1324 }
1325 
1326 /*
1327  * SunOS reboot system call (for compatibility).
1328  * Sun lets you pass in a boot string which the PROM
1329  * saves and provides to the next boot program.
1330  */
1331 
1332 #define SUNOS_RB_ASKNAME	0x001
1333 #define SUNOS_RB_SINGLE 	0x002
1334 #define SUNOS_RB_NOSYNC		0x004
1335 #define SUNOS_RB_HALT		0x008
1336 #define SUNOS_RB_DUMP		0x080
1337 #define	SUNOS_RB_STRING		0x200
1338 
1339 static struct sunos_howto_conv {
1340 	int sun_howto;
1341 	int bsd_howto;
1342 } sunos_howto_conv[] = {
1343 	{ SUNOS_RB_ASKNAME,	RB_ASKNAME },
1344 	{ SUNOS_RB_SINGLE,	RB_SINGLE },
1345 	{ SUNOS_RB_NOSYNC,	RB_NOSYNC },
1346 	{ SUNOS_RB_HALT,	RB_HALT },
1347 	{ SUNOS_RB_DUMP,	RB_DUMP },
1348 	{ SUNOS_RB_STRING,	RB_STRING },
1349 	{ 0x000,		0 },
1350 };
1351 
1352 int
1353 sunos32_sys_reboot(struct lwp *l, const struct sunos32_sys_reboot_args *uap, register_t *retval)
1354 {
1355 	/* {
1356 		syscallarg(int) howto;
1357 		syscallarg(netbsd32_charp) bootstr;
1358 	} */
1359 	struct sys_reboot_args ua;
1360 	struct sunos_howto_conv *convp;
1361 	int error, bsd_howto, sun_howto;
1362 	char *bootstr;
1363 
1364 	if ((error = kauth_authorize_system(l->l_cred,
1365 	    KAUTH_SYSTEM_REBOOT, 0, NULL, NULL, NULL)) != 0)
1366 		return (error);
1367 
1368 	/*
1369 	 * Convert howto bits to BSD format.
1370 	 */
1371 	sun_howto = SCARG(uap, howto);
1372 	bsd_howto = 0;
1373 	convp = sunos_howto_conv;
1374 	while (convp->sun_howto) {
1375 		if (sun_howto & convp->sun_howto)
1376 			bsd_howto |= convp->bsd_howto;
1377 		convp++;
1378 	}
1379 
1380 	/*
1381 	 * Sun RB_STRING (Get user supplied bootstring.)
1382 	 * If the machine supports passing a string to the
1383 	 * next booted kernel.
1384 	 */
1385 	if (sun_howto & SUNOS_RB_STRING)
1386 		bootstr = SCARG_P32(uap, bootstr);
1387 	else
1388 		bootstr = NULL;
1389 
1390 	SCARG(&ua, opt) = bsd_howto;
1391 	SCARG(&ua, bootstr) = bootstr;
1392 	return (sys_reboot(l, &ua, retval));
1393 }
1394 
1395 /*
1396  * Generalized interface signal handler, 4.3-compatible.
1397  */
1398 /* ARGSUSED */
1399 int
1400 sunos32_sys_sigvec(struct lwp *l, const struct sunos32_sys_sigvec_args *uap, register_t *retval)
1401 {
1402 	/* {
1403 		syscallarg(int) signum;
1404 		syscallarg(struct sigvec *) nsv;
1405 		syscallarg(struct sigvec *) osv;
1406 	} */
1407 	struct netbsd32_sigvec sv;
1408 	struct sigaction nsa, osa;
1409 	int error;
1410 
1411 	if (SCARG_P32(uap, nsv)) {
1412 		error = copyin(SCARG_P32(uap, nsv), &sv, sizeof(sv));
1413 		if (error != 0)
1414 			return (error);
1415 
1416 		/*
1417 		 * SunOS uses the mask 0x0004 as SV_RESETHAND
1418 		 * meaning: `reset to SIG_DFL on delivery'.
1419 		 * We support only the bits in: 0xF
1420 		 * (those bits are the same as ours)
1421 		 */
1422 		if (sv.sv_flags & ~0xF)
1423 			return (EINVAL);
1424 
1425 		sunos32_sigvec_to_sigaction(&sv, &nsa);
1426 	}
1427 	error = sigaction1(l, SCARG(uap, signum),
1428 			   SCARG_P32(uap, nsv) ? &nsa : 0,
1429 			   SCARG_P32(uap, osv) ? &osa : 0,
1430 			   NULL, 0);
1431 	if (error != 0)
1432 		return (error);
1433 
1434 	if (SCARG_P32(uap, osv)) {
1435 		sunos32_sigvec_from_sigaction(&sv, &osa);
1436 		error = copyout(&sv, SCARG_P32(uap, osv), sizeof(sv));
1437 		if (error != 0)
1438 			return (error);
1439 	}
1440 
1441 	return (0);
1442 }
1443