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      1 /*	$NetBSD: sunos32_misc.c,v 1.87 2026/09/20 13:46:08 riastradh 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 1.87 2026/09/20 13:46:08 riastradh 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 #endif
     88 
     89 #include <sys/param.h>
     90 #include <sys/systm.h>
     91 #include <sys/namei.h>
     92 #include <sys/proc.h>
     93 #include <sys/dirent.h>
     94 #include <sys/file.h>
     95 #include <sys/stat.h>
     96 #include <sys/filedesc.h>
     97 #include <sys/ioctl.h>
     98 #include <sys/kernel.h>
     99 #include <sys/reboot.h>
    100 #include <sys/malloc.h>
    101 #include <sys/mbuf.h>
    102 #include <sys/mman.h>
    103 #include <sys/mount.h>
    104 #include <sys/ptrace.h>
    105 #include <sys/resource.h>
    106 #include <sys/resourcevar.h>
    107 #include <sys/signal.h>
    108 #include <sys/signalvar.h>
    109 #include <sys/socket.h>
    110 #include <sys/tty.h>
    111 #include <sys/vnode.h>
    112 #include <sys/uio.h>
    113 #include <sys/wait.h>
    114 #include <sys/utsname.h>
    115 #include <sys/unistd.h>
    116 #include <sys/syscall.h>
    117 #include <sys/syscallargs.h>
    118 #include <sys/conf.h>
    119 #include <sys/socketvar.h>
    120 #include <sys/exec.h>
    121 #include <sys/swap.h>
    122 #include <sys/kauth.h>
    123 #include <sys/vfs_syscalls.h>
    124 
    125 #include <compat/netbsd32/netbsd32.h>
    126 #include <compat/netbsd32/netbsd32_syscallargs.h>
    127 #include <compat/sunos32/sunos32.h>
    128 #include <compat/sunos32/sunos32_dirent.h>
    129 #include <compat/sunos32/sunos32_syscallargs.h>
    130 #include <compat/common/compat_util.h>
    131 #include <compat/sys/mount.h>
    132 
    133 #include <netinet/in.h>
    134 
    135 #include <miscfs/specfs/specdev.h>
    136 
    137 #include <nfs/rpcv2.h>
    138 #include <nfs/nfsproto.h>
    139 #include <nfs/nfs.h>
    140 #include <nfs/nfsmount.h>
    141 
    142 static void sunos32_sigvec_to_sigaction(const struct netbsd32_sigvec *, struct sigaction *);
    143 static void sunos32_sigvec_from_sigaction(struct netbsd32_sigvec *, const struct sigaction *);
    144 
    145 static int sunstatfs(struct statvfs *, void *);
    146 
    147 static void
    148 sunos32_sigvec_to_sigaction(const struct netbsd32_sigvec *sv, struct sigaction *sa)
    149 {
    150 /*XXX*/ extern void compat_43_sigmask_to_sigset(const int *, sigset_t *);
    151 
    152 	sa->sa_handler = NETBSD32PTR64(sv->sv_handler);
    153 	compat_43_sigmask_to_sigset(&sv->sv_mask, &sa->sa_mask);
    154 	sa->sa_flags = sv->sv_flags ^ SA_RESTART;
    155 }
    156 
    157 static void
    158 sunos32_sigvec_from_sigaction(
    159 	struct netbsd32_sigvec *sv,
    160 	const struct sigaction *sa)
    161 {
    162 /*XXX*/ extern void compat_43_sigset_to_sigmask(const sigset_t *, int *);
    163 
    164 	memset(sv, 0, sizeof(*sv));
    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 	memset(&bsd_ua, 0, sizeof(bsd_ua));
    202 	SCARG(&bsd_ua, pid) = SCARG(uap, pid) == 0 ? WAIT_ANY : SCARG(uap, pid);
    203 	SCARG(&bsd_ua, status) = SCARG(uap, status);
    204 	SCARG(&bsd_ua, options) = SCARG(uap, options);
    205 	SCARG(&bsd_ua, rusage) = SCARG(uap, rusage);
    206 
    207 	return compat_50_netbsd32_wait4(l, &bsd_ua, retval);
    208 }
    209 
    210 int
    211 sunos32_sys_creat(struct lwp *l, const struct sunos32_sys_creat_args *uap, register_t *retval)
    212 {
    213 	/* {
    214 		syscallarg(const netbsd32_charp) path;
    215 		syscallarg(int) mode;
    216 	} */
    217 	struct sys_open_args ua;
    218 
    219 	memset(&ua, 0, sizeof(ua));
    220 	SUNOS32TOP_UAP(path, const char);
    221 	SCARG(&ua, flags) = O_WRONLY | O_CREAT | O_TRUNC;
    222 	SUNOS32TO64_UAP(mode);
    223 
    224 	return (sys_open(l, &ua, retval));
    225 }
    226 
    227 int
    228 sunos32_sys_access(struct lwp *l, const struct sunos32_sys_access_args *uap, register_t *retval)
    229 {
    230 	/* {
    231 		syscallarg(const netbsd32_charp) path;
    232 		syscallarg(int) flags;
    233 	} */
    234 	struct sys_access_args ua;
    235 
    236 	memset(&ua, 0, sizeof(ua));
    237 	SUNOS32TOP_UAP(path, const char);
    238 	SUNOS32TO64_UAP(flags);
    239 
    240 	return (sys_access(l, &ua, retval));
    241 }
    242 
    243 static inline void sunos32_from___stat13(struct stat *, struct netbsd32_stat43 *);
    244 
    245 static inline void
    246 sunos32_from___stat13(struct stat *sbp, struct netbsd32_stat43 *sb32p)
    247 {
    248 	memset(sb32p, 0, sizeof(*sb32p));
    249 	sb32p->st_dev = sbp->st_dev;
    250 	sb32p->st_ino = sbp->st_ino;
    251 	sb32p->st_mode = sbp->st_mode;
    252 	sb32p->st_nlink = sbp->st_nlink;
    253 	sb32p->st_uid = sbp->st_uid;
    254 	sb32p->st_gid = sbp->st_gid;
    255 	sb32p->st_rdev = sbp->st_rdev;
    256 	if (sbp->st_size < (quad_t)1 << 32)
    257 		sb32p->st_size = sbp->st_size;
    258 	else
    259 		sb32p->st_size = -2;
    260 	sb32p->st_atimespec.tv_sec = (netbsd32_time_t)sbp->st_atimespec.tv_sec;
    261 	sb32p->st_atimespec.tv_nsec = (netbsd32_long)sbp->st_atimespec.tv_nsec;
    262 	sb32p->st_mtimespec.tv_sec = (netbsd32_time_t)sbp->st_mtimespec.tv_sec;
    263 	sb32p->st_mtimespec.tv_nsec = (netbsd32_long)sbp->st_mtimespec.tv_nsec;
    264 	sb32p->st_ctimespec.tv_sec = (netbsd32_time_t)sbp->st_ctimespec.tv_sec;
    265 	sb32p->st_ctimespec.tv_nsec = (netbsd32_long)sbp->st_ctimespec.tv_nsec;
    266 	sb32p->st_blksize = sbp->st_blksize;
    267 	sb32p->st_blocks = sbp->st_blocks;
    268 	sb32p->st_flags = sbp->st_flags;
    269 	sb32p->st_gen = sbp->st_gen;
    270 }
    271 
    272 
    273 int
    274 sunos32_sys_stat(struct lwp *l, const struct sunos32_sys_stat_args *uap, register_t *retval)
    275 {
    276 	/* {
    277 		syscallarg(const netbsd32_charp) path;
    278 		syscallarg(netbsd32_stat43p_t) ub;
    279 	} */
    280 	struct netbsd32_stat43 sb32;
    281 	struct stat sb;
    282 	const char *path;
    283 	int error;
    284 
    285 	path = SCARG_P32(uap, path);
    286 
    287 	error = do_sys_stat(path, FOLLOW, &sb);
    288 	if (error)
    289 		return (error);
    290 	sunos32_from___stat13(&sb, &sb32);
    291 	error = copyout(&sb32, SCARG_P32(uap, ub), sizeof (sb32));
    292 	return (error);
    293 }
    294 
    295 int
    296 sunos32_sys_lstat(struct lwp *l, const struct sunos32_sys_lstat_args *uap, register_t *retval)
    297 {
    298 	/* {
    299 		syscallarg(const netbsd32_charp) path;
    300 		syscallarg(netbsd32_stat43p_t) ub;
    301 	} */
    302 	struct stat sb;
    303 	struct netbsd32_stat43 sb32;
    304 	int error;
    305 
    306 	error = do_sys_stat(SCARG_P32(uap, path), NOFOLLOW, &sb);
    307 	if (error)
    308 		return error;
    309 
    310 	/*
    311 	 * For symbolic links, SunOS returned the attributes of its
    312 	 * containing directory, except for mode, size, and links.
    313 	 * This is no longer emulated, the parent directory is not consulted.
    314 	 */
    315 	sunos32_from___stat13(&sb, &sb32);
    316 	error = copyout((void *)&sb32, SCARG_P32(uap, ub), sizeof (sb32));
    317 	return (error);
    318 }
    319 
    320 static int
    321 sunos32_execve_fetch_element(char * const *array, size_t index, char **value)
    322 {
    323 	int error;
    324 	netbsd32_charp const *a32 = (void const *)array;
    325 	netbsd32_charp e;
    326 
    327 	error = copyin(a32 + index, &e, sizeof(e));
    328 	if (error)
    329 		return error;
    330 	*value = NETBSD32PTR64(e);
    331 	return 0;
    332 }
    333 
    334 int
    335 sunos32_sys_execv(struct lwp *l, const struct sunos32_sys_execv_args *uap, register_t *retval)
    336 {
    337 	/* {
    338 		syscallarg(const char *) path;
    339 		syscallarg(char **) argv;
    340 	} */
    341 	const char *path = SCARG_P32(uap, path);
    342 
    343 	return execve1(l, true, path, -1, SCARG_P32(uap, argp), NULL,
    344 	    sunos32_execve_fetch_element);
    345 }
    346 
    347 int
    348 sunos32_sys_execve(struct lwp *l, const struct sunos32_sys_execve_args *uap, register_t *retval)
    349 {
    350 	/* {
    351 		syscallarg(const char *) path;
    352 		syscallarg(char **) argv;
    353 		syscallarg(char **) envp;
    354 	} */
    355 	const char *path = SCARG_P32(uap, path);
    356 
    357 	return execve1(l, true, path, -1, SCARG_P32(uap, argp),
    358 	    SCARG_P32(uap, envp), sunos32_execve_fetch_element);
    359 }
    360 
    361 int
    362 sunos32_sys_omsync(struct lwp *l, const struct sunos32_sys_omsync_args *uap, register_t *retval)
    363 {
    364 	/* {
    365 		syscallarg(netbsd32_caddr_t) addr;
    366 		syscallarg(netbsd32_size_t) len;
    367 		syscallarg(int) flags;
    368 	} */
    369 	struct netbsd32___msync13_args ouap;
    370 
    371 	memset(&ouap, 0, sizeof(ouap));
    372 	SCARG(&ouap, addr) = SCARG(uap, addr);
    373 	SCARG(&ouap, len) = SCARG(uap, len);
    374 	SCARG(&ouap, flags) = SCARG(uap, flags);
    375 
    376 	return (netbsd32___msync13(l, &ouap, retval));
    377 }
    378 
    379 int
    380 sunos32_sys_unmount(struct lwp *l, const struct sunos32_sys_unmount_args *uap, register_t *retval)
    381 {
    382 	/* {
    383 		syscallarg(netbsd32_charp) path;
    384 	} */
    385 	struct sys_unmount_args ua;
    386 
    387 	memset(&ua, 0, sizeof(ua));
    388 	SUNOS32TOP_UAP(path, const char);
    389 	SCARG(&ua, flags) = 0;
    390 
    391 	return (sys_unmount(l, &ua, retval));
    392 }
    393 
    394 /*
    395  * Conversion table for SunOS NFS mount flags.
    396  */
    397 static struct {
    398 	int	sun_flg;
    399 	int	bsd_flg;
    400 } sunnfs_flgtab[] = {
    401 	{ SUNNFS_SOFT,		NFSMNT_SOFT },
    402 	{ SUNNFS_WSIZE,		NFSMNT_WSIZE },
    403 	{ SUNNFS_RSIZE,		NFSMNT_RSIZE },
    404 	{ SUNNFS_TIMEO,		NFSMNT_TIMEO },
    405 	{ SUNNFS_RETRANS,	NFSMNT_RETRANS },
    406 	{ SUNNFS_HOSTNAME,	0 },			/* Ignored */
    407 	{ SUNNFS_INT,		NFSMNT_INT },
    408 	{ SUNNFS_NOAC,		0 },			/* Ignored */
    409 	{ SUNNFS_ACREGMIN,	0 },			/* Ignored */
    410 	{ SUNNFS_ACREGMAX,	0 },			/* Ignored */
    411 	{ SUNNFS_ACDIRMIN,	0 },			/* Ignored */
    412 	{ SUNNFS_ACDIRMAX,	0 },			/* Ignored */
    413 	{ SUNNFS_SECURE,	0 },			/* Ignored */
    414 	{ SUNNFS_NOCTO,		0 },			/* Ignored */
    415 	{ SUNNFS_POSIX,		0 }			/* Ignored */
    416 };
    417 
    418 int
    419 sunos32_sys_mount(struct lwp *l, const struct sunos32_sys_mount_args *uap, register_t *retval)
    420 {
    421 	/* {
    422 		syscallarg(netbsd32_charp) type;
    423 		syscallarg(netbsd32_charp) path;
    424 		syscallarg(int) flags;
    425 		syscallarg(netbsd32_caddr_t) data;
    426 	} */
    427 	int oflags = SCARG(uap, flags), nflags, error;
    428 	char fsname[MFSNAMELEN];
    429 	register_t dummy;
    430 
    431 	if (oflags & (SUNM_NOSUB | SUNM_SYS5))
    432 		return (EINVAL);
    433 	if ((oflags & SUNM_NEWTYPE) == 0)
    434 		return (EINVAL);
    435 	nflags = 0;
    436 	if (oflags & SUNM_RDONLY)
    437 		nflags |= MNT_RDONLY;
    438 	if (oflags & SUNM_NOSUID)
    439 		nflags |= MNT_NOSUID;
    440 	if (oflags & SUNM_REMOUNT)
    441 		nflags |= MNT_UPDATE;
    442 
    443 	error = copyinstr(SCARG_P32(uap, type), fsname, sizeof fsname, NULL);
    444 	if (error)
    445 		return (error);
    446 
    447 	if (strncmp(fsname, "nfs", sizeof fsname) == 0) {
    448 		struct sunos_nfs_args sna;
    449 		struct nfs_args na;	/* XXX */
    450 		int n;
    451 
    452 		error = copyin(SCARG_P32(uap, data), &sna, sizeof sna);
    453 		if (error)
    454 			return (error);
    455 		/* sa.sa_len = sizeof(sain); */
    456 		na.version = NFS_ARGSVERSION;
    457 		na.addr = (void *)sna.addr;
    458 		na.addrlen = sizeof(struct sockaddr);
    459 		na.sotype = SOCK_DGRAM;
    460 		na.proto = IPPROTO_UDP;
    461 		na.fh = sna.fh;
    462 		na.fhsize = NFSX_V2FH;
    463 		na.flags = 0;
    464 		n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]);
    465 		while (--n >= 0)
    466 			if (sna.flags & sunnfs_flgtab[n].sun_flg)
    467 				na.flags |= sunnfs_flgtab[n].bsd_flg;
    468 		na.wsize = sna.wsize;
    469 		na.rsize = sna.rsize;
    470 		if (na.flags & NFSMNT_RSIZE) {
    471 			na.flags |= NFSMNT_READDIRSIZE;
    472 			na.readdirsize = na.rsize;
    473 		}
    474 		na.timeo = sna.timeo;
    475 		na.retrans = sna.retrans;
    476 		na.hostname = (char *)(u_long)sna.hostname;
    477 
    478 		return do_sys_mount(l, "nfs", UIO_SYSSPACE,
    479 		    SCARG_P32(uap, path), nflags, &na, UIO_SYSSPACE, sizeof na,
    480 		    &dummy);
    481 	}
    482 
    483 	if (strcmp(fsname, "4.2") == 0)
    484 		strcpy(fsname, "ffs");
    485 
    486 	return do_sys_mount(l, fsname, UIO_SYSSPACE,
    487 	    SCARG_P32(uap, path), nflags, SCARG_P32(uap, data), UIO_USERSPACE,
    488 	    0, &dummy);
    489 }
    490 
    491 void	native_to_sunos_sigset(const sigset_t *, int *);
    492 void	sunos_to_native_sigset(const int, sigset_t *);
    493 
    494 inline void
    495 native_to_sunos_sigset(const sigset_t *ss, int *mask)
    496 {
    497 
    498 	*mask = ss->__bits[0];
    499 }
    500 
    501 inline void
    502 sunos_to_native_sigset(const int mask, sigset_t *ss)
    503 {
    504 
    505 	memset(ss, 0, sizeof(*ss));
    506 	ss->__bits[0] = mask;
    507 	ss->__bits[1] = 0;
    508 	ss->__bits[2] = 0;
    509 	ss->__bits[3] = 0;
    510 }
    511 
    512 int
    513 sunos32_sys_sigpending(struct lwp *l, const struct sunos32_sys_sigpending_args *uap, register_t *retval)
    514 {
    515 	/* {
    516 		syscallarg(netbsd32_intp) mask;
    517 	} */
    518 	sigset_t ss;
    519 	int mask;
    520 
    521 	sigpending1(l, &ss);
    522 	native_to_sunos_sigset(&ss, &mask);
    523 
    524 	return (copyout((void *)(u_long)&mask, SCARG_P32(uap, mask), sizeof(int)));
    525 }
    526 
    527 int
    528 sunos32_sys_sigsuspend(struct lwp *l, const struct sunos32_sys_sigsuspend_args *uap, register_t *retval)
    529 {
    530 	/* {
    531 		syscallarg(int) mask;
    532 	} */
    533 	int mask;
    534 	sigset_t ss;
    535 
    536 	mask = SCARG(uap, mask);
    537 	sunos_to_native_sigset(mask, &ss);
    538 	return (sigsuspend1(l, &ss));
    539 }
    540 
    541 /*
    542  * Read Sun-style directory entries.  We suck them into kernel space so
    543  * that they can be massaged before being copied out to user code.  Like
    544  * SunOS, we squish out `empty' entries.
    545  *
    546  * This is quite ugly, but what do you expect from compatibility code?
    547  */
    548 int
    549 sunos32_sys_getdents(struct lwp *l, const struct sunos32_sys_getdents_args *uap, register_t *retval)
    550 {
    551 	/* {
    552 		syscallarg(int) fd;
    553 		syscallarg(netbsd32_charp) buf;
    554 		syscallarg(int) nbytes;
    555 	} */
    556 	struct dirent *bdp;
    557 	struct vnode *vp;
    558 	char *inp, *sbuf;	/* BSD-format */
    559 	int len, reclen;	/* BSD-format */
    560 	char *outp;		/* Sun-format */
    561 	int resid, sunos_reclen;/* Sun-format */
    562 	struct file *fp;
    563 	struct uio auio;
    564 	struct iovec aiov;
    565 	struct sunos32_dirent idb;
    566 	off_t off;			/* true file offset */
    567 	int buflen, error, eofflag;
    568 	off_t *cookiebuf, *cookie;
    569 	int ncookies;
    570 
    571 	/* fd_getvnode() will use the descriptor for us */
    572 	if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0)
    573 		return (error);
    574 
    575 	if ((fp->f_flag & FREAD) == 0) {
    576 		error = EBADF;
    577 		goto out1;
    578 	}
    579 
    580 	vp = fp->f_vnode;
    581 	if (vp->v_type != VDIR) {
    582 		error = EINVAL;
    583 		goto out1;
    584 	}
    585 
    586 	buflen = uimin(MAXBSIZE, SCARG(uap, nbytes));
    587 	sbuf = malloc(buflen, M_TEMP, M_WAITOK);
    588 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
    589 	off = fp->f_offset;
    590 again:
    591 	aiov.iov_base = sbuf;
    592 	aiov.iov_len = buflen;
    593 	auio.uio_iov = &aiov;
    594 	auio.uio_iovcnt = 1;
    595 	auio.uio_rw = UIO_READ;
    596 	auio.uio_resid = buflen;
    597 	auio.uio_offset = off;
    598 	UIO_SETUP_SYSSPACE(&auio);
    599 	/*
    600 	 * First we read into the malloc'ed buffer, then
    601 	 * we massage it into user space, one record at a time.
    602 	 */
    603 	error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf,
    604 	    &ncookies);
    605 	if (error)
    606 		goto out;
    607 
    608 	inp = sbuf;
    609 	outp = SCARG_P32(uap, buf);
    610 	resid = SCARG(uap, nbytes);
    611 	if ((len = buflen - auio.uio_resid) == 0)
    612 		goto eof;
    613 
    614 	for (cookie = cookiebuf; len > 0; len -= reclen) {
    615 		bdp = (struct dirent *)inp;
    616 		reclen = bdp->d_reclen;
    617 		if (reclen & 3) {
    618 			error = EIO;
    619 			goto out;
    620 		}
    621 		if (cookie && (*cookie >> 32) != 0) {
    622 			compat_offseterr(vp, "sunos_getdents");
    623 			error = EINVAL;
    624 			goto out;
    625 		}
    626 		if (bdp->d_fileno == 0) {
    627 			inp += reclen;	/* it is a hole; squish it out */
    628 			if (cookie)
    629 				off = *cookie++;
    630 			else
    631 				off += reclen;
    632 			continue;
    633 		}
    634 		memset(&idb, 0, sizeof(idb));
    635 		sunos_reclen = SUNOS32_RECLEN(&idb, bdp->d_namlen);
    636 		if (reclen > len || resid < sunos_reclen) {
    637 			/* entry too big for buffer, so just stop */
    638 			outp++;
    639 			break;
    640 		}
    641 		if (cookie)
    642 			off = *cookie++;	/* each entry points to next */
    643 		else
    644 			off += reclen;
    645 		/*
    646 		 * Massage in place to make a Sun-shaped dirent (otherwise
    647 		 * we have to worry about touching user memory outside of
    648 		 * the copyout() call).
    649 		 */
    650 		idb.d_fileno = bdp->d_fileno;
    651 		idb.d_off = off;
    652 		idb.d_reclen = sunos_reclen;
    653 		idb.d_namlen = bdp->d_namlen;
    654 		strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name));
    655 		if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0)
    656 			goto out;
    657 		/* advance past this real entry */
    658 		inp += reclen;
    659 		/* advance output past Sun-shaped entry */
    660 		outp += sunos_reclen;
    661 		resid -= sunos_reclen;
    662 	}
    663 
    664 	/* if we squished out the whole block, try again */
    665 	if (outp == SCARG_P32(uap, buf)) {
    666 		if (cookiebuf)
    667 			free(cookiebuf, M_TEMP);
    668 		cookiebuf = NULL;
    669 		goto again;
    670 	}
    671 	fp->f_offset = off;		/* update the vnode offset */
    672 
    673 eof:
    674 	*retval = SCARG(uap, nbytes) - resid;
    675 out:
    676 	VOP_UNLOCK(vp);
    677 	free(cookiebuf, M_TEMP);
    678 	free(sbuf, M_TEMP);
    679  out1:
    680  	fd_putfile(SCARG(uap, fd));
    681 	return (error);
    682 }
    683 
    684 #define	SUNOS32__MAP_NEW	0x80000000	/* if not, old mmap & cannot handle */
    685 
    686 int
    687 sunos32_sys_mmap(struct lwp *l, const struct sunos32_sys_mmap_args *uap, register_t *retval)
    688 {
    689 	/* {
    690 		syscallarg(netbsd32_voidp) addr;
    691 		syscallarg(netbsd32_size_t) len;
    692 		syscallarg(int) prot;
    693 		syscallarg(int) flags;
    694 		syscallarg(int) fd;
    695 		syscallarg(netbsd32_long) pos;
    696 	} */
    697 	struct sys_mmap_args ua;
    698 	int error;
    699 
    700 	/*
    701 	 * Verify the arguments.
    702 	 */
    703 	if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC))
    704 		return (EINVAL);			/* XXX still needed? */
    705 
    706 	if ((SCARG(uap, flags) & SUNOS32__MAP_NEW) == 0)
    707 		return (EINVAL);
    708 
    709 	memset(&ua, 0, sizeof(ua));
    710 	SUNOS32TOP_UAP(addr, void);
    711 	SUNOS32TOX_UAP(len, size_t);
    712 	SUNOS32TO64_UAP(prot);
    713 	SCARG(&ua, flags) = SCARG(uap, flags) & ~SUNOS32__MAP_NEW;
    714 	SUNOS32TO64_UAP(fd);
    715 	SCARG(&ua, PAD) = 0;
    716 	SUNOS32TOX_UAP(pos, off_t);
    717 
    718 	error = sys_mmap(l, &ua, retval);
    719 	if ((u_long)*retval > (u_long)UINT_MAX) {
    720 		printf("sunos32_mmap: retval out of range: 0x%lx\n",
    721 		       (u_long)*retval);
    722 		/* Should try to recover and return an error here. */
    723 	}
    724 	return (error);
    725 }
    726 
    727 #define	MC_SYNC		1
    728 #define	MC_LOCK		2
    729 #define	MC_UNLOCK	3
    730 #define	MC_ADVISE	4
    731 #define	MC_LOCKAS	5
    732 #define	MC_UNLOCKAS	6
    733 
    734 int
    735 sunos32_sys_mctl(struct lwp *l, const struct sunos32_sys_mctl_args *uap, register_t *retval)
    736 {
    737 	/* {
    738 		syscallarg(netbsd32_voidp) addr;
    739 		syscallarg(int) len;
    740 		syscallarg(int) func;
    741 		syscallarg(netbsd32_voidp) arg;
    742 	} */
    743 
    744 	switch (SCARG(uap, func)) {
    745 	case MC_ADVISE:		/* ignore for now */
    746 		return (0);
    747 	case MC_SYNC:		/* translate to msync */
    748 		return (netbsd32___msync13(l, (const void *)uap, retval));
    749 	default:
    750 		return (EINVAL);
    751 	}
    752 }
    753 
    754 int
    755 sunos32_sys_setsockopt(struct lwp *l, const struct sunos32_sys_setsockopt_args *uap, register_t *retval)
    756 {
    757 	/* {
    758 		syscallarg(int) s;
    759 		syscallarg(int) level;
    760 		syscallarg(int) name;
    761 		syscallarg(netbsd32_caddr_t) val;
    762 		syscallarg(int) valsize;
    763 	} */
    764 	struct sockopt sopt;
    765 	struct socket *so;
    766 	int name = SCARG(uap, name);
    767 	int error;
    768 
    769 	/* fd_getsock() will use the descriptor for us */
    770 	if ((error = fd_getsock(SCARG(uap, s), &so)) != 0)
    771 		return (error);
    772 #define	SO_DONTLINGER (~SO_LINGER)
    773 	if (name == SO_DONTLINGER) {
    774 		struct linger lg;
    775 
    776 		lg.l_onoff = 0;
    777 		error = so_setsockopt(l, so, SCARG(uap, level), SO_LINGER,
    778 		    &lg, sizeof(lg));
    779 		goto out;
    780 	}
    781 	if (SCARG(uap, level) == IPPROTO_IP) {
    782 #define		SUNOS_IP_MULTICAST_IF		2
    783 #define		SUNOS_IP_MULTICAST_TTL		3
    784 #define		SUNOS_IP_MULTICAST_LOOP		4
    785 #define		SUNOS_IP_ADD_MEMBERSHIP		5
    786 #define		SUNOS_IP_DROP_MEMBERSHIP	6
    787 		static const int ipoptxlat[] = {
    788 			IP_MULTICAST_IF,
    789 			IP_MULTICAST_TTL,
    790 			IP_MULTICAST_LOOP,
    791 			IP_ADD_MEMBERSHIP,
    792 			IP_DROP_MEMBERSHIP
    793 		};
    794 		if (name >= SUNOS_IP_MULTICAST_IF &&
    795 		    name <= SUNOS_IP_DROP_MEMBERSHIP) {
    796 			name = ipoptxlat[name - SUNOS_IP_MULTICAST_IF];
    797 		}
    798 	}
    799 	if ((unsigned)SCARG(uap, valsize) > MLEN) {
    800 		error = EINVAL;
    801 		goto out;
    802 	}
    803 	sockopt_init(&sopt, SCARG(uap, level), name, SCARG(uap, valsize));
    804 	if (SCARG_P32(uap, val)) {
    805 		error = copyin(SCARG_P32(uap, val), sopt.sopt_data,
    806 		    (u_int)SCARG(uap, valsize));
    807 	}
    808 	if (error == 0)
    809 		error = sosetopt(so, &sopt);
    810 	sockopt_destroy(&sopt);
    811  out:
    812  	fd_putfile(SCARG(uap, s));
    813 	return (error);
    814 }
    815 
    816 static inline int sunos32_sys_socket_common(struct lwp *, register_t *,
    817 					      int type);
    818 static inline int
    819 sunos32_sys_socket_common(struct lwp *l, register_t *retval, int type)
    820 {
    821 	struct socket *so;
    822 	int error, fd;
    823 
    824 	/* fd_getsock() will use the descriptor for us */
    825 	fd = (int)*retval;
    826 	if ((error = fd_getsock(fd, &so)) == 0) {
    827 		if (type == SOCK_DGRAM)
    828 			so->so_options |= SO_BROADCAST;
    829 		fd_putfile(fd);
    830 	}
    831 	return (error);
    832 }
    833 
    834 int
    835 sunos32_sys_socket(struct lwp *l, const struct sunos32_sys_socket_args *uap, register_t *retval)
    836 {
    837 	/* {
    838 		syscallarg(int) domain;
    839 		syscallarg(int) type;
    840 		syscallarg(int) protocol;
    841 	} */
    842 	int error;
    843 
    844 	error = netbsd32___socket30(l, (const void *)uap, retval);
    845 	if (error)
    846 		return (error);
    847 	return sunos32_sys_socket_common(l, retval, SCARG(uap, type));
    848 }
    849 
    850 int
    851 sunos32_sys_socketpair(struct lwp *l, const struct sunos32_sys_socketpair_args *uap, register_t *retval)
    852 {
    853 	/* {
    854 		syscallarg(int) domain;
    855 		syscallarg(int) type;
    856 		syscallarg(int) protocol;
    857 		syscallarg(int *) rsv;
    858 	} */
    859 	int error;
    860 
    861 	error = netbsd32_socketpair(l, (const void *)uap, retval);
    862 	if (error)
    863 		return (error);
    864 	return sunos32_sys_socket_common(l, retval, SCARG(uap, type));
    865 }
    866 
    867 
    868 /*
    869  * XXX: This needs cleaning up.
    870  */
    871 int
    872 sunos32_sys_auditsys(struct lwp *l, const struct sunos32_sys_auditsys_args *uap, register_t *retval)
    873 {
    874 	return 0;
    875 }
    876 
    877 int
    878 sunos32_sys_uname(struct lwp *l, const struct sunos32_sys_uname_args *uap, register_t *retval)
    879 {
    880 	/* {
    881 		syscallarg(sunos32_utsnamep_t) name;
    882 	} */
    883 	struct sunos_utsname sut;
    884 
    885 	memset(&sut, 0, sizeof(sut));
    886 
    887 	strlcpy(sut.sysname, ostype, sizeof(sut.sysname));
    888 	strlcpy(sut.nodename, hostname, sizeof(sut.nodename));
    889 	strlcpy(sut.release, osrelease, sizeof(sut.release));
    890 	strlcpy(sut.version, "1", sizeof(sut.version));
    891 	strlcpy(sut.machine, machine, sizeof(sut.machine));
    892 
    893 	return copyout(&sut, SCARG_P32(uap, name), sizeof(sut));
    894 }
    895 
    896 int
    897 sunos32_sys_setpgrp(struct lwp *l, const struct sunos32_sys_setpgrp_args *uap, register_t *retval)
    898 {
    899 	/* {
    900 		syscallarg(int) pid;
    901 		syscallarg(int) pgid;
    902 	} */
    903 	struct proc *p = l->l_proc;
    904 
    905 	/*
    906 	 * difference to our setpgid call is to include backwards
    907 	 * compatibility to pre-setsid() binaries. Do setsid()
    908 	 * instead of setpgid() in those cases where the process
    909 	 * tries to create a new session the old way.
    910 	 */
    911 	if (!SCARG(uap, pgid) &&
    912 	    (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid))
    913 		return sys_setsid(l, NULL, retval);
    914 	else
    915 		return netbsd32_setpgid(l, (const void *)uap, retval);
    916 }
    917 
    918 int
    919 sunos32_sys_open(struct lwp *l, const struct sunos32_sys_open_args *uap, register_t *retval)
    920 {
    921 	/* {
    922 		syscallarg(const netbsd32_charp) path;
    923 		syscallarg(int) flags;
    924 		syscallarg(int) mode;
    925 	} */
    926 	struct proc *p = l->l_proc;
    927 	struct sys_open_args ua;
    928 	int lf, r;
    929 	int noctty;
    930 	int ret;
    931 
    932 	/* convert mode into NetBSD mode */
    933 	lf = SCARG(uap, flags);
    934 	noctty = lf & 0x8000;
    935 	r =	(lf & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800));
    936 	r |=	((lf & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0);
    937 	r |=	((lf & 0x0080) ? O_SHLOCK : 0);
    938 	r |=	((lf & 0x0100) ? O_EXLOCK : 0);
    939 	r |=	((lf & 0x2000) ? O_FSYNC : 0);
    940 
    941 	memset(&ua, 0, sizeof(ua));
    942 	SUNOS32TOP_UAP(path, const char);
    943 	SCARG(&ua, flags) = r;
    944 	SUNOS32TO64_UAP(mode);
    945 
    946 	ret = sys_open(l, &ua, retval);
    947 
    948 	/* XXXSMP unlocked */
    949 	if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) {
    950 		file_t *fp;
    951 		int fd;
    952 
    953 		fd = (int)*retval;
    954 		fp = fd_getfile(fd);
    955 
    956 		/* ignore any error, just give it a try */
    957 		if (fp != NULL) {
    958 			if (fp->f_type == DTYPE_VNODE)
    959 				(fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL);
    960 			fd_putfile(fd);
    961 		}
    962 	}
    963 	return ret;
    964 }
    965 
    966 int
    967 sunos32_sys_ustat(struct lwp *l, const struct sunos32_sys_ustat_args *uap, register_t *retval)
    968 {
    969 	/* {
    970 		syscallarg(int) dev;
    971 		syscallarg(sunos32_ustatp_t) buf;
    972 	} */
    973 	struct sunos_ustat us;
    974 	int error;
    975 
    976 	memset(&us, 0, sizeof us);
    977 
    978 	/*
    979 	 * XXX: should set f_tfree and f_tinode at least
    980 	 * How do we translate dev -> fstat? (and then to sunos_ustat)
    981 	 */
    982 
    983 	if ((error = copyout(&us, SCARG_P32(uap, buf), sizeof us)) != 0)
    984 		return (error);
    985 	return 0;
    986 }
    987 
    988 int
    989 sunos32_sys_quotactl(struct lwp *l, const struct sunos32_sys_quotactl_args *uap, register_t *retval)
    990 {
    991 
    992 	return EINVAL;
    993 }
    994 
    995 int
    996 sunos32_sys_vhangup(struct lwp *l, const void *v, register_t *retval)
    997 {
    998 	struct proc *p = l->l_proc;
    999 	struct session *sp = p->p_session;
   1000 
   1001 	if (sp->s_ttyvp == 0)
   1002 		return 0;
   1003 
   1004 	if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp)
   1005 		pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1);
   1006 
   1007 	(void) ttywait(sp->s_ttyp);
   1008 	if (sp->s_ttyvp)
   1009 		VOP_REVOKE(sp->s_ttyvp, REVOKEALL);
   1010 	if (sp->s_ttyvp)
   1011 		vrele(sp->s_ttyvp);
   1012 	sp->s_ttyvp = NULL;
   1013 
   1014 	return 0;
   1015 }
   1016 
   1017 static int
   1018 sunstatfs(struct statvfs *sp, void *sbuf)
   1019 {
   1020 	struct sunos_statfs ssfs;
   1021 
   1022 	memset(&ssfs, 0, sizeof ssfs);
   1023 	ssfs.f_type = 0;
   1024 	ssfs.f_bsize = sp->f_bsize;
   1025 	ssfs.f_blocks = sp->f_blocks;
   1026 	ssfs.f_bfree = sp->f_bfree;
   1027 	ssfs.f_bavail = sp->f_bavail;
   1028 	ssfs.f_files = sp->f_files;
   1029 	ssfs.f_ffree = sp->f_ffree;
   1030 	ssfs.f_fsid = sp->f_fsidx;
   1031 	return copyout((void *)&ssfs, sbuf, sizeof ssfs);
   1032 }
   1033 
   1034 int
   1035 sunos32_sys_statfs(struct lwp *l, const struct sunos32_sys_statfs_args *uap, register_t *retval)
   1036 {
   1037 	/* {
   1038 		syscallarg(const netbsd32_charp) path;
   1039 		syscallarg(sunos32_statfsp_t) buf;
   1040 	} */
   1041 	struct statvfs *sp;
   1042 	int error;
   1043 
   1044 	sp = STATVFSBUF_GET();
   1045 	error = do_sys_pstatvfs(l, SCARG_P32(uap, path), 0, sp);
   1046 	if (error == 0)
   1047 		error = sunstatfs(sp, SCARG_P32(uap, buf));
   1048 	STATVFSBUF_PUT(sp);
   1049 	return error;
   1050 }
   1051 
   1052 int
   1053 sunos32_sys_fstatfs(struct lwp *l, const struct sunos32_sys_fstatfs_args *uap, register_t *retval)
   1054 {
   1055 	/* {
   1056 		syscallarg(int) fd;
   1057 		syscallarg(sunos32_statfsp_t) buf;
   1058 	} */
   1059 	struct statvfs *sp;
   1060 	int error;
   1061 
   1062 	sp = STATVFSBUF_GET();
   1063 	error = do_sys_fstatvfs(l, SCARG(uap, fd), 0, sp);
   1064 	if (error == 0)
   1065 		error = sunstatfs(sp, SCARG_P32(uap, buf));
   1066 	STATVFSBUF_PUT(sp);
   1067 	return error;
   1068 }
   1069 
   1070 int
   1071 sunos32_sys_exportfs(struct lwp *l, const struct sunos32_sys_exportfs_args *uap, register_t *retval)
   1072 {
   1073 	/*
   1074 	 * XXX: should perhaps translate into a mount(2)
   1075 	 * with MOUNT_EXPORT?
   1076 	 */
   1077 	return 0;
   1078 }
   1079 
   1080 int
   1081 sunos32_sys_mknod(struct lwp *l, const struct sunos32_sys_mknod_args *uap, register_t *retval)
   1082 {
   1083 	/* {
   1084 		syscallarg(const netbsd32_charp) path;
   1085 		syscallarg(int) mode;
   1086 		syscallarg(int) dev;
   1087 	} */
   1088 
   1089 	if (S_ISFIFO(SCARG(uap, mode)))
   1090 		return netbsd32_mkfifo(l, (const struct netbsd32_mkfifo_args *)uap, retval);
   1091 
   1092 	return compat_50_netbsd32_mknod(l, (const struct compat_50_netbsd32_mknod_args *)uap, retval);
   1093 }
   1094 
   1095 #define SUNOS_SC_ARG_MAX	1
   1096 #define SUNOS_SC_CHILD_MAX	2
   1097 #define SUNOS_SC_CLK_TCK	3
   1098 #define SUNOS_SC_NGROUPS_MAX	4
   1099 #define SUNOS_SC_OPEN_MAX	5
   1100 #define SUNOS_SC_JOB_CONTROL	6
   1101 #define SUNOS_SC_SAVED_IDS	7
   1102 #define SUNOS_SC_VERSION	8
   1103 
   1104 int
   1105 sunos32_sys_sysconf(struct lwp *l, const struct sunos32_sys_sysconf_args *uap, register_t *retval)
   1106 {
   1107 	/* {
   1108 		syscallarg(int) name;
   1109 	} */
   1110 	extern u_int maxfiles;
   1111 
   1112 	switch(SCARG(uap, name)) {
   1113 	case SUNOS_SC_ARG_MAX:
   1114 		*retval = ARG_MAX;
   1115 		break;
   1116 	case SUNOS_SC_CHILD_MAX:
   1117 		*retval = maxproc;
   1118 		break;
   1119 	case SUNOS_SC_CLK_TCK:
   1120 		*retval = 60;		/* should this be `hz', ie. 100? */
   1121 		break;
   1122 	case SUNOS_SC_NGROUPS_MAX:
   1123 		*retval = NGROUPS_MAX;
   1124 		break;
   1125 	case SUNOS_SC_OPEN_MAX:
   1126 		*retval = maxfiles;
   1127 		break;
   1128 	case SUNOS_SC_JOB_CONTROL:
   1129 		*retval = 1;
   1130 		break;
   1131 	case SUNOS_SC_SAVED_IDS:
   1132 #ifdef _POSIX_SAVED_IDS
   1133 		*retval = 1;
   1134 #else
   1135 		*retval = 0;
   1136 #endif
   1137 		break;
   1138 	case SUNOS_SC_VERSION:
   1139 		*retval = 198808;
   1140 		break;
   1141 	default:
   1142 		return EINVAL;
   1143 	}
   1144 	return 0;
   1145 }
   1146 
   1147 #define SUNOS_RLIMIT_NOFILE	6	/* Other RLIMIT_* are the same */
   1148 #define SUNOS_RLIM_NLIMITS	7
   1149 
   1150 int
   1151 sunos32_sys_getrlimit(struct lwp *l, const struct sunos32_sys_getrlimit_args *uap, register_t *retval)
   1152 {
   1153 	/* {
   1154 		syscallarg(u_int) which;
   1155 		syscallarg(netbsd32_orlimitp_t) rlp;
   1156 	} */
   1157 	struct compat_43_netbsd32_ogetrlimit_args ua_43;
   1158 
   1159 	if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS)
   1160 		return EINVAL;
   1161 
   1162 	memset(&ua_43, 0, sizeof(ua_43));
   1163 	SCARG(&ua_43, which) = SCARG(uap, which) == SUNOS_RLIMIT_NOFILE ? RLIMIT_NOFILE : SCARG(uap, which);
   1164 	SCARG(&ua_43, rlp) = SCARG(uap, rlp);
   1165 
   1166 	return compat_43_netbsd32_ogetrlimit(l, &ua_43, retval);
   1167 }
   1168 
   1169 int
   1170 sunos32_sys_setrlimit(struct lwp *l, const struct sunos32_sys_setrlimit_args *uap, register_t *retval)
   1171 {
   1172 	/* {
   1173 		syscallarg(u_int) which;
   1174 		syscallarg(netbsd32_orlimitp_t) rlp;
   1175 	} */
   1176 	struct compat_43_netbsd32_osetrlimit_args ua_43;
   1177 
   1178 	if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS)
   1179 		return EINVAL;
   1180 
   1181 	memset(&ua_43, 0, sizeof(ua_43));
   1182 	SCARG(&ua_43, which) = SCARG(uap, which) == SUNOS_RLIMIT_NOFILE ? RLIMIT_NOFILE : SCARG(uap, which);
   1183 	SCARG(&ua_43, rlp) = SCARG(uap, rlp);
   1184 
   1185 	return compat_43_netbsd32_osetrlimit(l, &ua_43, retval);
   1186 }
   1187 
   1188 /* for the m68k machines */
   1189 #ifndef PT_GETFPREGS
   1190 #define PT_GETFPREGS -1
   1191 #endif
   1192 #ifndef PT_SETFPREGS
   1193 #define PT_SETFPREGS -1
   1194 #endif
   1195 
   1196 static const int sreq2breq[] = {
   1197 	PT_TRACE_ME,    PT_READ_I,      PT_READ_D,      -1,
   1198 	PT_WRITE_I,     PT_WRITE_D,     -1,             PT_CONTINUE,
   1199 	PT_KILL,        -1,             PT_ATTACH,      PT_DETACH,
   1200 	PT_GETREGS,     PT_SETREGS,     PT_GETFPREGS,   PT_SETFPREGS
   1201 };
   1202 static const size_t nreqs = __arraycount(sreq2breq);
   1203 
   1204 int
   1205 sunos32_sys_ptrace(struct lwp *l, const struct sunos32_sys_ptrace_args *uap, register_t *retval)
   1206 {
   1207 	/* {
   1208 		syscallarg(int) req;
   1209 		syscallarg(pid_t) pid;
   1210 		syscallarg(netbsd32_caddr_t) addr;
   1211 		syscallarg(int) data;
   1212 		syscallarg(netbsd32_charp) addr2;
   1213 	} */
   1214 	struct netbsd32_ptrace_args pa;
   1215 	int req;
   1216 
   1217 #define sys_ptrace sysent[SYS_ptrace].sy_call
   1218 	if (sys_ptrace == sys_nosys)
   1219 		return ENOSYS;
   1220 
   1221 	req = SCARG(uap, req);
   1222 	if ((unsigned int)req >= nreqs)
   1223 		return (EINVAL);
   1224 
   1225 	req = sreq2breq[req];
   1226 	if (req == -1)
   1227 		return (EINVAL);
   1228 
   1229 	memset(&pa, 0, sizeof(pa));
   1230 	SCARG(&pa, req) = req;
   1231 	SCARG(&pa, pid) = (pid_t)SCARG(uap, pid);
   1232 	SCARG(&pa, addr) = SCARG(uap, addr);
   1233 	SCARG(&pa, data) = SCARG(uap, data);
   1234 
   1235 	return netbsd32_ptrace(l, &pa, retval);
   1236 }
   1237 
   1238 /*
   1239  * SunOS reboot system call (for compatibility).
   1240  * Sun lets you pass in a boot string which the PROM
   1241  * saves and provides to the next boot program.
   1242  */
   1243 
   1244 #define SUNOS_RB_ASKNAME	0x001
   1245 #define SUNOS_RB_SINGLE 	0x002
   1246 #define SUNOS_RB_NOSYNC		0x004
   1247 #define SUNOS_RB_HALT		0x008
   1248 #define SUNOS_RB_DUMP		0x080
   1249 #define	SUNOS_RB_STRING		0x200
   1250 
   1251 static struct sunos_howto_conv {
   1252 	int sun_howto;
   1253 	int bsd_howto;
   1254 } sunos_howto_conv[] = {
   1255 	{ SUNOS_RB_ASKNAME,	RB_ASKNAME },
   1256 	{ SUNOS_RB_SINGLE,	RB_SINGLE },
   1257 	{ SUNOS_RB_NOSYNC,	RB_NOSYNC },
   1258 	{ SUNOS_RB_HALT,	RB_HALT },
   1259 	{ SUNOS_RB_DUMP,	RB_DUMP },
   1260 	{ SUNOS_RB_STRING,	RB_STRING },
   1261 	{ 0x000,		0 },
   1262 };
   1263 
   1264 int
   1265 sunos32_sys_reboot(struct lwp *l, const struct sunos32_sys_reboot_args *uap, register_t *retval)
   1266 {
   1267 	/* {
   1268 		syscallarg(int) howto;
   1269 		syscallarg(netbsd32_charp) bootstr;
   1270 	} */
   1271 	struct sys_reboot_args ua;
   1272 	struct sunos_howto_conv *convp;
   1273 	int error, bsd_howto, sun_howto;
   1274 	char *bootstr;
   1275 
   1276 	if ((error = kauth_authorize_system(l->l_cred,
   1277 	    KAUTH_SYSTEM_REBOOT, 0, NULL, NULL, NULL)) != 0)
   1278 		return (error);
   1279 
   1280 	/*
   1281 	 * Convert howto bits to BSD format.
   1282 	 */
   1283 	sun_howto = SCARG(uap, howto);
   1284 	bsd_howto = 0;
   1285 	convp = sunos_howto_conv;
   1286 	while (convp->sun_howto) {
   1287 		if (sun_howto & convp->sun_howto)
   1288 			bsd_howto |= convp->bsd_howto;
   1289 		convp++;
   1290 	}
   1291 
   1292 	/*
   1293 	 * Sun RB_STRING (Get user supplied bootstring.)
   1294 	 * If the machine supports passing a string to the
   1295 	 * next booted kernel.
   1296 	 */
   1297 	if (sun_howto & SUNOS_RB_STRING)
   1298 		bootstr = SCARG_P32(uap, bootstr);
   1299 	else
   1300 		bootstr = NULL;
   1301 
   1302 	memset(&ua, 0, sizeof(ua));
   1303 	SCARG(&ua, opt) = bsd_howto;
   1304 	SCARG(&ua, bootstr) = bootstr;
   1305 	return (sys_reboot(l, &ua, retval));
   1306 }
   1307 
   1308 /*
   1309  * Generalized interface signal handler, 4.3-compatible.
   1310  */
   1311 /* ARGSUSED */
   1312 int
   1313 sunos32_sys_sigvec(struct lwp *l, const struct sunos32_sys_sigvec_args *uap, register_t *retval)
   1314 {
   1315 	/* {
   1316 		syscallarg(int) signum;
   1317 		syscallarg(struct sigvec *) nsv;
   1318 		syscallarg(struct sigvec *) osv;
   1319 	} */
   1320 	struct netbsd32_sigvec sv;
   1321 	struct sigaction nsa, osa;
   1322 	int error;
   1323 
   1324 	if (SCARG_P32(uap, nsv)) {
   1325 		error = copyin(SCARG_P32(uap, nsv), &sv, sizeof(sv));
   1326 		if (error != 0)
   1327 			return (error);
   1328 
   1329 		/*
   1330 		 * SunOS uses the mask 0x0004 as SV_RESETHAND
   1331 		 * meaning: `reset to SIG_DFL on delivery'.
   1332 		 * We support only the bits in: 0xF
   1333 		 * (those bits are the same as ours)
   1334 		 */
   1335 		if (sv.sv_flags & ~0xF)
   1336 			return (EINVAL);
   1337 
   1338 		sunos32_sigvec_to_sigaction(&sv, &nsa);
   1339 	}
   1340 	error = sigaction1(l, SCARG(uap, signum),
   1341 			   SCARG_P32(uap, nsv) ? &nsa : 0,
   1342 			   SCARG_P32(uap, osv) ? &osa : 0,
   1343 			   NULL, 0);
   1344 	if (error != 0)
   1345 		return (error);
   1346 
   1347 	if (SCARG_P32(uap, osv)) {
   1348 		sunos32_sigvec_from_sigaction(&sv, &osa);
   1349 		error = copyout(&sv, SCARG_P32(uap, osv), sizeof(sv));
   1350 		if (error != 0)
   1351 			return (error);
   1352 	}
   1353 
   1354 	return (0);
   1355 }
   1356