2 * Copyright (c) 2002 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include "opt_compat.h"
32 #include "opt_inet6.h"
34 #define __ELF_WORD_SIZE 32
36 #include <sys/param.h>
38 #include <sys/capsicum.h>
39 #include <sys/clock.h>
41 #include <sys/fcntl.h>
42 #include <sys/filedesc.h>
43 #include <sys/imgact.h>
45 #include <sys/kernel.h>
46 #include <sys/limits.h>
47 #include <sys/linker.h>
49 #include <sys/malloc.h>
50 #include <sys/file.h> /* Must come after sys/malloc.h */
51 #include <sys/imgact.h>
54 #include <sys/module.h>
55 #include <sys/mount.h>
56 #include <sys/mutex.h>
57 #include <sys/namei.h>
59 #include <sys/procctl.h>
60 #include <sys/reboot.h>
61 #include <sys/resource.h>
62 #include <sys/resourcevar.h>
63 #include <sys/selinfo.h>
64 #include <sys/eventvar.h> /* Must come after sys/selinfo.h */
65 #include <sys/pipe.h> /* Must come after sys/selinfo.h */
66 #include <sys/signal.h>
67 #include <sys/signalvar.h>
68 #include <sys/socket.h>
69 #include <sys/socketvar.h>
71 #include <sys/syscall.h>
72 #include <sys/syscallsubr.h>
73 #include <sys/sysctl.h>
74 #include <sys/sysent.h>
75 #include <sys/sysproto.h>
76 #include <sys/systm.h>
78 #include <sys/unistd.h>
79 #include <sys/ucontext.h>
80 #include <sys/vnode.h>
88 #include <netinet/in.h>
92 #include <vm/vm_param.h>
94 #include <vm/vm_map.h>
95 #include <vm/vm_object.h>
96 #include <vm/vm_extern.h>
98 #include <machine/cpu.h>
99 #include <machine/elf.h>
101 #include <security/audit/audit.h>
103 #include <compat/freebsd32/freebsd32_util.h>
104 #include <compat/freebsd32/freebsd32.h>
105 #include <compat/freebsd32/freebsd32_ipc.h>
106 #include <compat/freebsd32/freebsd32_misc.h>
107 #include <compat/freebsd32/freebsd32_signal.h>
108 #include <compat/freebsd32/freebsd32_proto.h>
110 FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD");
113 CTASSERT(sizeof(struct timeval32) == 8);
114 CTASSERT(sizeof(struct timespec32) == 8);
115 CTASSERT(sizeof(struct itimerval32) == 16);
117 CTASSERT(sizeof(struct statfs32) == 256);
119 CTASSERT(sizeof(struct rusage32) == 72);
121 CTASSERT(sizeof(struct sigaltstack32) == 12);
122 CTASSERT(sizeof(struct kevent32) == 20);
123 CTASSERT(sizeof(struct iovec32) == 8);
124 CTASSERT(sizeof(struct msghdr32) == 28);
126 CTASSERT(sizeof(struct stat32) == 96);
128 CTASSERT(sizeof(struct sigaction32) == 24);
130 static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count);
131 static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count);
132 static int freebsd32_user_clock_nanosleep(struct thread *td, clockid_t clock_id,
133 int flags, const struct timespec32 *ua_rqtp, struct timespec32 *ua_rmtp);
136 freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32)
139 TV_CP(*s, *s32, ru_utime);
140 TV_CP(*s, *s32, ru_stime);
141 CP(*s, *s32, ru_maxrss);
142 CP(*s, *s32, ru_ixrss);
143 CP(*s, *s32, ru_idrss);
144 CP(*s, *s32, ru_isrss);
145 CP(*s, *s32, ru_minflt);
146 CP(*s, *s32, ru_majflt);
147 CP(*s, *s32, ru_nswap);
148 CP(*s, *s32, ru_inblock);
149 CP(*s, *s32, ru_oublock);
150 CP(*s, *s32, ru_msgsnd);
151 CP(*s, *s32, ru_msgrcv);
152 CP(*s, *s32, ru_nsignals);
153 CP(*s, *s32, ru_nvcsw);
154 CP(*s, *s32, ru_nivcsw);
158 freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap)
161 struct rusage32 ru32;
162 struct rusage ru, *rup;
164 if (uap->rusage != NULL)
168 error = kern_wait(td, uap->pid, &status, uap->options, rup);
171 if (uap->status != NULL)
172 error = copyout(&status, uap->status, sizeof(status));
173 if (uap->rusage != NULL && error == 0) {
174 freebsd32_rusage_out(&ru, &ru32);
175 error = copyout(&ru32, uap->rusage, sizeof(ru32));
181 freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap)
183 struct wrusage32 wru32;
184 struct __wrusage wru, *wrup;
185 struct siginfo32 si32;
186 struct __siginfo si, *sip;
189 if (uap->wrusage != NULL)
193 if (uap->info != NULL) {
195 bzero(sip, sizeof(*sip));
198 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id),
199 &status, uap->options, wrup, sip);
202 if (uap->status != NULL)
203 error = copyout(&status, uap->status, sizeof(status));
204 if (uap->wrusage != NULL && error == 0) {
205 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self);
206 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children);
207 error = copyout(&wru32, uap->wrusage, sizeof(wru32));
209 if (uap->info != NULL && error == 0) {
210 siginfo_to_siginfo32 (&si, &si32);
211 error = copyout(&si32, uap->info, sizeof(si32));
216 #ifdef COMPAT_FREEBSD4
218 copy_statfs(struct statfs *in, struct statfs32 *out)
221 statfs_scale_blocks(in, INT32_MAX);
222 bzero(out, sizeof(*out));
223 CP(*in, *out, f_bsize);
224 out->f_iosize = MIN(in->f_iosize, INT32_MAX);
225 CP(*in, *out, f_blocks);
226 CP(*in, *out, f_bfree);
227 CP(*in, *out, f_bavail);
228 out->f_files = MIN(in->f_files, INT32_MAX);
229 out->f_ffree = MIN(in->f_ffree, INT32_MAX);
230 CP(*in, *out, f_fsid);
231 CP(*in, *out, f_owner);
232 CP(*in, *out, f_type);
233 CP(*in, *out, f_flags);
234 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX);
235 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX);
236 strlcpy(out->f_fstypename,
237 in->f_fstypename, MFSNAMELEN);
238 strlcpy(out->f_mntonname,
239 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN));
240 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX);
241 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX);
242 strlcpy(out->f_mntfromname,
243 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN));
247 #ifdef COMPAT_FREEBSD4
249 freebsd4_freebsd32_getfsstat(struct thread *td,
250 struct freebsd4_freebsd32_getfsstat_args *uap)
252 struct statfs *buf, *sp;
253 struct statfs32 stat32;
254 size_t count, size, copycount;
257 count = uap->bufsize / sizeof(struct statfs32);
258 size = count * sizeof(struct statfs);
259 error = kern_getfsstat(td, &buf, size, &count, UIO_SYSSPACE, uap->mode);
263 while (copycount > 0 && error == 0) {
264 copy_statfs(sp, &stat32);
265 error = copyout(&stat32, uap->buf, sizeof(stat32));
273 td->td_retval[0] = count;
278 #ifdef COMPAT_FREEBSD10
280 freebsd10_freebsd32_pipe(struct thread *td,
281 struct freebsd10_freebsd32_pipe_args *uap) {
283 return (freebsd10_pipe(td, (struct freebsd10_pipe_args*)uap));
288 freebsd32_sigaltstack(struct thread *td,
289 struct freebsd32_sigaltstack_args *uap)
291 struct sigaltstack32 s32;
292 struct sigaltstack ss, oss, *ssp;
295 if (uap->ss != NULL) {
296 error = copyin(uap->ss, &s32, sizeof(s32));
299 PTRIN_CP(s32, ss, ss_sp);
300 CP(s32, ss, ss_size);
301 CP(s32, ss, ss_flags);
305 error = kern_sigaltstack(td, ssp, &oss);
306 if (error == 0 && uap->oss != NULL) {
307 PTROUT_CP(oss, s32, ss_sp);
308 CP(oss, s32, ss_size);
309 CP(oss, s32, ss_flags);
310 error = copyout(&s32, uap->oss, sizeof(s32));
316 * Custom version of exec_copyin_args() so that we can translate
320 freebsd32_exec_copyin_args(struct image_args *args, char *fname,
321 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv)
328 bzero(args, sizeof(*args));
333 * Allocate demand-paged memory for the file name, argument, and
334 * environment strings.
336 error = exec_alloc_args(args);
341 * Copy the file name.
344 args->fname = args->buf;
345 error = (segflg == UIO_SYSSPACE) ?
346 copystr(fname, args->fname, PATH_MAX, &length) :
347 copyinstr(fname, args->fname, PATH_MAX, &length);
353 args->begin_argv = args->buf + length;
354 args->endp = args->begin_argv;
355 args->stringspace = ARG_MAX;
358 * extract arguments first
362 error = copyin(p32++, &arg, sizeof(arg));
368 error = copyinstr(argp, args->endp, args->stringspace, &length);
370 if (error == ENAMETOOLONG)
374 args->stringspace -= length;
375 args->endp += length;
379 args->begin_envv = args->endp;
382 * extract environment strings
387 error = copyin(p32++, &arg, sizeof(arg));
393 error = copyinstr(envp, args->endp, args->stringspace,
396 if (error == ENAMETOOLONG)
400 args->stringspace -= length;
401 args->endp += length;
409 exec_free_args(args);
414 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap)
416 struct image_args eargs;
417 struct vmspace *oldvmspace;
420 error = pre_execve(td, &oldvmspace);
423 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE,
424 uap->argv, uap->envv);
426 error = kern_execve(td, &eargs, NULL);
427 post_execve(td, error, oldvmspace);
432 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap)
434 struct image_args eargs;
435 struct vmspace *oldvmspace;
438 error = pre_execve(td, &oldvmspace);
441 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE,
442 uap->argv, uap->envv);
445 error = kern_execve(td, &eargs, NULL);
447 post_execve(td, error, oldvmspace);
452 freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap)
457 #if defined(__amd64__)
458 if (i386_read_exec && (prot & PROT_READ) != 0)
461 return (kern_mprotect(td, (uintptr_t)PTRIN(uap->addr), uap->len,
466 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap)
471 #if defined(__amd64__)
472 if (i386_read_exec && (prot & PROT_READ))
476 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot,
477 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos)));
480 #ifdef COMPAT_FREEBSD6
482 freebsd6_freebsd32_mmap(struct thread *td,
483 struct freebsd6_freebsd32_mmap_args *uap)
488 #if defined(__amd64__)
489 if (i386_read_exec && (prot & PROT_READ))
493 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot,
494 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos)));
499 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap)
501 struct itimerval itv, oitv, *itvp;
502 struct itimerval32 i32;
505 if (uap->itv != NULL) {
506 error = copyin(uap->itv, &i32, sizeof(i32));
509 TV_CP(i32, itv, it_interval);
510 TV_CP(i32, itv, it_value);
514 error = kern_setitimer(td, uap->which, itvp, &oitv);
515 if (error || uap->oitv == NULL)
517 TV_CP(oitv, i32, it_interval);
518 TV_CP(oitv, i32, it_value);
519 return (copyout(&i32, uap->oitv, sizeof(i32)));
523 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap)
525 struct itimerval itv;
526 struct itimerval32 i32;
529 error = kern_getitimer(td, uap->which, &itv);
530 if (error || uap->itv == NULL)
532 TV_CP(itv, i32, it_interval);
533 TV_CP(itv, i32, it_value);
534 return (copyout(&i32, uap->itv, sizeof(i32)));
538 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap)
540 struct timeval32 tv32;
541 struct timeval tv, *tvp;
544 if (uap->tv != NULL) {
545 error = copyin(uap->tv, &tv32, sizeof(tv32));
548 CP(tv32, tv, tv_sec);
549 CP(tv32, tv, tv_usec);
554 * XXX Do pointers need PTRIN()?
556 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
557 sizeof(int32_t) * 8));
561 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap)
563 struct timespec32 ts32;
565 struct timeval tv, *tvp;
569 if (uap->ts != NULL) {
570 error = copyin(uap->ts, &ts32, sizeof(ts32));
573 CP(ts32, ts, tv_sec);
574 CP(ts32, ts, tv_nsec);
575 TIMESPEC_TO_TIMEVAL(&tv, &ts);
579 if (uap->sm != NULL) {
580 error = copyin(uap->sm, &set, sizeof(set));
587 * XXX Do pointers need PTRIN()?
589 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
590 uset, sizeof(int32_t) * 8);
595 * Copy 'count' items into the destination list pointed to by uap->eventlist.
598 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count)
600 struct freebsd32_kevent_args *uap;
601 struct kevent32 ks32[KQ_NEVENTS];
604 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
605 uap = (struct freebsd32_kevent_args *)arg;
607 for (i = 0; i < count; i++) {
608 CP(kevp[i], ks32[i], ident);
609 CP(kevp[i], ks32[i], filter);
610 CP(kevp[i], ks32[i], flags);
611 CP(kevp[i], ks32[i], fflags);
612 CP(kevp[i], ks32[i], data);
613 PTROUT_CP(kevp[i], ks32[i], udata);
615 error = copyout(ks32, uap->eventlist, count * sizeof *ks32);
617 uap->eventlist += count;
622 * Copy 'count' items from the list pointed to by uap->changelist.
625 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count)
627 struct freebsd32_kevent_args *uap;
628 struct kevent32 ks32[KQ_NEVENTS];
631 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
632 uap = (struct freebsd32_kevent_args *)arg;
634 error = copyin(uap->changelist, ks32, count * sizeof *ks32);
637 uap->changelist += count;
639 for (i = 0; i < count; i++) {
640 CP(ks32[i], kevp[i], ident);
641 CP(ks32[i], kevp[i], filter);
642 CP(ks32[i], kevp[i], flags);
643 CP(ks32[i], kevp[i], fflags);
644 CP(ks32[i], kevp[i], data);
645 PTRIN_CP(ks32[i], kevp[i], udata);
652 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap)
654 struct timespec32 ts32;
655 struct timespec ts, *tsp;
656 struct kevent_copyops k_ops = {
658 .k_copyout = freebsd32_kevent_copyout,
659 .k_copyin = freebsd32_kevent_copyin,
665 error = copyin(uap->timeout, &ts32, sizeof(ts32));
668 CP(ts32, ts, tv_sec);
669 CP(ts32, ts, tv_nsec);
673 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents,
679 freebsd32_gettimeofday(struct thread *td,
680 struct freebsd32_gettimeofday_args *uap)
683 struct timeval32 atv32;
689 CP(atv, atv32, tv_sec);
690 CP(atv, atv32, tv_usec);
691 error = copyout(&atv32, uap->tp, sizeof (atv32));
693 if (error == 0 && uap->tzp != NULL) {
694 rtz.tz_minuteswest = tz_minuteswest;
695 rtz.tz_dsttime = tz_dsttime;
696 error = copyout(&rtz, uap->tzp, sizeof (rtz));
702 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap)
708 error = kern_getrusage(td, uap->who, &s);
711 if (uap->rusage != NULL) {
712 freebsd32_rusage_out(&s, &s32);
713 error = copyout(&s32, uap->rusage, sizeof(s32));
719 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop)
721 struct iovec32 iov32;
728 if (iovcnt > UIO_MAXIOV)
730 iovlen = iovcnt * sizeof(struct iovec);
731 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK);
732 iov = (struct iovec *)(uio + 1);
733 for (i = 0; i < iovcnt; i++) {
734 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32));
739 iov[i].iov_base = PTRIN(iov32.iov_base);
740 iov[i].iov_len = iov32.iov_len;
743 uio->uio_iovcnt = iovcnt;
744 uio->uio_segflg = UIO_USERSPACE;
745 uio->uio_offset = -1;
747 for (i = 0; i < iovcnt; i++) {
748 if (iov->iov_len > INT_MAX - uio->uio_resid) {
752 uio->uio_resid += iov->iov_len;
760 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap)
765 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
768 error = kern_readv(td, uap->fd, auio);
774 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap)
779 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
782 error = kern_writev(td, uap->fd, auio);
788 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap)
793 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
796 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
802 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap)
807 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
810 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
816 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp,
819 struct iovec32 iov32;
825 if (iovcnt > UIO_MAXIOV)
827 iovlen = iovcnt * sizeof(struct iovec);
828 iov = malloc(iovlen, M_IOV, M_WAITOK);
829 for (i = 0; i < iovcnt; i++) {
830 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32));
835 iov[i].iov_base = PTRIN(iov32.iov_base);
836 iov[i].iov_len = iov32.iov_len;
843 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg)
848 error = copyin(msg32, &m32, sizeof(m32));
851 msg->msg_name = PTRIN(m32.msg_name);
852 msg->msg_namelen = m32.msg_namelen;
853 msg->msg_iov = PTRIN(m32.msg_iov);
854 msg->msg_iovlen = m32.msg_iovlen;
855 msg->msg_control = PTRIN(m32.msg_control);
856 msg->msg_controllen = m32.msg_controllen;
857 msg->msg_flags = m32.msg_flags;
862 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32)
867 m32.msg_name = PTROUT(msg->msg_name);
868 m32.msg_namelen = msg->msg_namelen;
869 m32.msg_iov = PTROUT(msg->msg_iov);
870 m32.msg_iovlen = msg->msg_iovlen;
871 m32.msg_control = PTROUT(msg->msg_control);
872 m32.msg_controllen = msg->msg_controllen;
873 m32.msg_flags = msg->msg_flags;
874 error = copyout(&m32, msg32, sizeof(m32));
879 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1)
881 #define FREEBSD32_ALIGNBYTES (sizeof(long) - 1)
883 #define FREEBSD32_ALIGN(p) \
884 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES)
885 #define FREEBSD32_CMSG_SPACE(l) \
886 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l))
888 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \
889 FREEBSD32_ALIGN(sizeof(struct cmsghdr)))
891 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control)
895 socklen_t clen, datalen;
898 int len, maxlen, copylen;
902 len = msg->msg_controllen;
903 maxlen = msg->msg_controllen;
904 msg->msg_controllen = 0;
907 ctlbuf = msg->msg_control;
909 while (m && len > 0) {
910 cm = mtod(m, struct cmsghdr *);
915 if (sizeof(struct cmsghdr) > clen ||
916 cm->cmsg_len > clen) {
921 data = CMSG_DATA(cm);
922 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data;
924 /* Adjust message length */
925 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) +
930 copylen = sizeof(struct cmsghdr);
932 msg->msg_flags |= MSG_CTRUNC;
936 error = copyout(cm,ctlbuf,copylen);
940 ctlbuf += FREEBSD32_ALIGN(copylen);
941 len -= FREEBSD32_ALIGN(copylen);
949 msg->msg_flags |= MSG_CTRUNC;
953 error = copyout(data,ctlbuf,copylen);
957 ctlbuf += FREEBSD32_ALIGN(copylen);
958 len -= FREEBSD32_ALIGN(copylen);
960 if (CMSG_SPACE(datalen) < clen) {
961 clen -= CMSG_SPACE(datalen);
962 cm = (struct cmsghdr *)
963 ((caddr_t)cm + CMSG_SPACE(datalen));
972 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control;
980 freebsd32_recvmsg(td, uap)
982 struct freebsd32_recvmsg_args /* {
984 struct msghdr32 *msg;
990 struct iovec *uiov, *iov;
991 struct mbuf *control = NULL;
992 struct mbuf **controlp;
995 error = copyin(uap->msg, &m32, sizeof(m32));
998 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1001 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
1005 msg.msg_flags = uap->flags;
1009 controlp = (msg.msg_control != NULL) ? &control : NULL;
1010 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp);
1014 if (control != NULL)
1015 error = freebsd32_copy_msg_out(&msg, control);
1017 msg.msg_controllen = 0;
1020 error = freebsd32_copyoutmsghdr(&msg, uap->msg);
1024 if (control != NULL)
1031 * Copy-in the array of control messages constructed using alignment
1032 * and padding suitable for a 32-bit environment and construct an
1033 * mbuf using alignment and padding suitable for a 64-bit kernel.
1034 * The alignment and padding are defined indirectly by CMSG_DATA(),
1035 * CMSG_SPACE() and CMSG_LEN().
1038 freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen)
1042 u_int idx, len, msglen;
1045 buflen = FREEBSD32_ALIGN(buflen);
1047 if (buflen > MCLBYTES)
1051 * Iterate over the buffer and get the length of each message
1052 * in there. This has 32-bit alignment and padding. Use it to
1053 * determine the length of these messages when using 64-bit
1054 * alignment and padding.
1058 while (idx < buflen) {
1059 error = copyin(buf + idx, &msglen, sizeof(msglen));
1062 if (msglen < sizeof(struct cmsghdr))
1064 msglen = FREEBSD32_ALIGN(msglen);
1065 if (idx + msglen > buflen)
1068 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) -
1069 FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1070 len += CMSG_ALIGN(msglen);
1076 m = m_get(M_WAITOK, MT_CONTROL);
1078 MCLGET(m, M_WAITOK);
1081 md = mtod(m, void *);
1082 while (buflen > 0) {
1083 error = copyin(buf, md, sizeof(struct cmsghdr));
1086 msglen = *(u_int *)md;
1087 msglen = FREEBSD32_ALIGN(msglen);
1089 /* Modify the message length to account for alignment. */
1090 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) -
1091 FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1093 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr));
1094 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1095 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1097 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1099 error = copyin(buf, md, msglen);
1102 md = (char *)md + CMSG_ALIGN(msglen);
1116 freebsd32_sendmsg(struct thread *td,
1117 struct freebsd32_sendmsg_args *uap)
1120 struct msghdr32 m32;
1122 struct mbuf *control = NULL;
1123 struct sockaddr *to = NULL;
1126 error = copyin(uap->msg, &m32, sizeof(m32));
1129 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1132 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
1137 if (msg.msg_name != NULL) {
1138 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen);
1146 if (msg.msg_control) {
1147 if (msg.msg_controllen < sizeof(struct cmsghdr)) {
1152 error = freebsd32_copyin_control(&control, msg.msg_control,
1153 msg.msg_controllen);
1157 msg.msg_control = NULL;
1158 msg.msg_controllen = 0;
1161 error = kern_sendit(td, uap->s, &msg, uap->flags, control,
1172 freebsd32_recvfrom(struct thread *td,
1173 struct freebsd32_recvfrom_args *uap)
1179 if (uap->fromlenaddr) {
1180 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen,
1181 sizeof(msg.msg_namelen));
1185 msg.msg_namelen = 0;
1188 msg.msg_name = PTRIN(uap->from);
1189 msg.msg_iov = &aiov;
1191 aiov.iov_base = PTRIN(uap->buf);
1192 aiov.iov_len = uap->len;
1193 msg.msg_control = NULL;
1194 msg.msg_flags = uap->flags;
1195 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL);
1196 if (error == 0 && uap->fromlenaddr)
1197 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr),
1198 sizeof (msg.msg_namelen));
1203 freebsd32_settimeofday(struct thread *td,
1204 struct freebsd32_settimeofday_args *uap)
1206 struct timeval32 tv32;
1207 struct timeval tv, *tvp;
1208 struct timezone tz, *tzp;
1212 error = copyin(uap->tv, &tv32, sizeof(tv32));
1215 CP(tv32, tv, tv_sec);
1216 CP(tv32, tv, tv_usec);
1221 error = copyin(uap->tzp, &tz, sizeof(tz));
1227 return (kern_settimeofday(td, tvp, tzp));
1231 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap)
1233 struct timeval32 s32[2];
1234 struct timeval s[2], *sp;
1237 if (uap->tptr != NULL) {
1238 error = copyin(uap->tptr, s32, sizeof(s32));
1241 CP(s32[0], s[0], tv_sec);
1242 CP(s32[0], s[0], tv_usec);
1243 CP(s32[1], s[1], tv_sec);
1244 CP(s32[1], s[1], tv_usec);
1248 return (kern_utimesat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
1253 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap)
1255 struct timeval32 s32[2];
1256 struct timeval s[2], *sp;
1259 if (uap->tptr != NULL) {
1260 error = copyin(uap->tptr, s32, sizeof(s32));
1263 CP(s32[0], s[0], tv_sec);
1264 CP(s32[0], s[0], tv_usec);
1265 CP(s32[1], s[1], tv_sec);
1266 CP(s32[1], s[1], tv_usec);
1270 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
1274 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap)
1276 struct timeval32 s32[2];
1277 struct timeval s[2], *sp;
1280 if (uap->tptr != NULL) {
1281 error = copyin(uap->tptr, s32, sizeof(s32));
1284 CP(s32[0], s[0], tv_sec);
1285 CP(s32[0], s[0], tv_usec);
1286 CP(s32[1], s[1], tv_sec);
1287 CP(s32[1], s[1], tv_usec);
1291 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE));
1295 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap)
1297 struct timeval32 s32[2];
1298 struct timeval s[2], *sp;
1301 if (uap->times != NULL) {
1302 error = copyin(uap->times, s32, sizeof(s32));
1305 CP(s32[0], s[0], tv_sec);
1306 CP(s32[0], s[0], tv_usec);
1307 CP(s32[1], s[1], tv_sec);
1308 CP(s32[1], s[1], tv_usec);
1312 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE,
1317 freebsd32_futimens(struct thread *td, struct freebsd32_futimens_args *uap)
1319 struct timespec32 ts32[2];
1320 struct timespec ts[2], *tsp;
1323 if (uap->times != NULL) {
1324 error = copyin(uap->times, ts32, sizeof(ts32));
1327 CP(ts32[0], ts[0], tv_sec);
1328 CP(ts32[0], ts[0], tv_nsec);
1329 CP(ts32[1], ts[1], tv_sec);
1330 CP(ts32[1], ts[1], tv_nsec);
1334 return (kern_futimens(td, uap->fd, tsp, UIO_SYSSPACE));
1338 freebsd32_utimensat(struct thread *td, struct freebsd32_utimensat_args *uap)
1340 struct timespec32 ts32[2];
1341 struct timespec ts[2], *tsp;
1344 if (uap->times != NULL) {
1345 error = copyin(uap->times, ts32, sizeof(ts32));
1348 CP(ts32[0], ts[0], tv_sec);
1349 CP(ts32[0], ts[0], tv_nsec);
1350 CP(ts32[1], ts[1], tv_sec);
1351 CP(ts32[1], ts[1], tv_nsec);
1355 return (kern_utimensat(td, uap->fd, uap->path, UIO_USERSPACE,
1356 tsp, UIO_SYSSPACE, uap->flag));
1360 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap)
1362 struct timeval32 tv32;
1363 struct timeval delta, olddelta, *deltap;
1367 error = copyin(uap->delta, &tv32, sizeof(tv32));
1370 CP(tv32, delta, tv_sec);
1371 CP(tv32, delta, tv_usec);
1375 error = kern_adjtime(td, deltap, &olddelta);
1376 if (uap->olddelta && error == 0) {
1377 CP(olddelta, tv32, tv_sec);
1378 CP(olddelta, tv32, tv_usec);
1379 error = copyout(&tv32, uap->olddelta, sizeof(tv32));
1384 #ifdef COMPAT_FREEBSD4
1386 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap)
1388 struct statfs32 s32;
1392 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
1393 error = kern_statfs(td, uap->path, UIO_USERSPACE, sp);
1395 copy_statfs(sp, &s32);
1396 error = copyout(&s32, uap->buf, sizeof(s32));
1403 #ifdef COMPAT_FREEBSD4
1405 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap)
1407 struct statfs32 s32;
1411 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
1412 error = kern_fstatfs(td, uap->fd, sp);
1414 copy_statfs(sp, &s32);
1415 error = copyout(&s32, uap->buf, sizeof(s32));
1422 #ifdef COMPAT_FREEBSD4
1424 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap)
1426 struct statfs32 s32;
1431 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0)
1433 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
1434 error = kern_fhstatfs(td, fh, sp);
1436 copy_statfs(sp, &s32);
1437 error = copyout(&s32, uap->buf, sizeof(s32));
1445 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap)
1448 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte,
1449 PAIR32TO64(off_t, uap->offset)));
1453 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap)
1456 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte,
1457 PAIR32TO64(off_t, uap->offset)));
1462 ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap)
1465 return (kern_lseek(td, uap->fd, uap->offset, uap->whence));
1470 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap)
1475 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset),
1477 /* Expand the quad return into two parts for eax and edx */
1478 pos = td->td_uretoff.tdu_off;
1479 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1480 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
1485 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap)
1488 return (kern_truncate(td, uap->path, UIO_USERSPACE,
1489 PAIR32TO64(off_t, uap->length)));
1493 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap)
1496 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length)));
1501 ofreebsd32_getdirentries(struct thread *td,
1502 struct ofreebsd32_getdirentries_args *uap)
1504 struct ogetdirentries_args ap;
1511 ap.count = uap->count;
1513 error = kern_ogetdirentries(td, &ap, &loff);
1516 error = copyout(&loff_cut, uap->basep, sizeof(int32_t));
1523 freebsd32_getdirentries(struct thread *td,
1524 struct freebsd32_getdirentries_args *uap)
1530 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base,
1531 NULL, UIO_USERSPACE);
1534 if (uap->basep != NULL) {
1536 error = copyout(&base32, uap->basep, sizeof(int32_t));
1541 #ifdef COMPAT_FREEBSD6
1542 /* versions with the 'int pad' argument */
1544 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap)
1547 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte,
1548 PAIR32TO64(off_t, uap->offset)));
1552 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap)
1555 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte,
1556 PAIR32TO64(off_t, uap->offset)));
1560 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap)
1565 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset),
1567 /* Expand the quad return into two parts for eax and edx */
1568 pos = *(off_t *)(td->td_retval);
1569 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1570 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
1575 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap)
1578 return (kern_truncate(td, uap->path, UIO_USERSPACE,
1579 PAIR32TO64(off_t, uap->length)));
1583 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap)
1586 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length)));
1588 #endif /* COMPAT_FREEBSD6 */
1598 freebsd32_do_sendfile(struct thread *td,
1599 struct freebsd32_sendfile_args *uap, int compat)
1601 struct sf_hdtr32 hdtr32;
1602 struct sf_hdtr hdtr;
1603 struct uio *hdr_uio, *trl_uio;
1605 cap_rights_t rights;
1606 struct iovec32 *iov32;
1607 off_t offset, sbytes;
1610 offset = PAIR32TO64(off_t, uap->offset);
1614 hdr_uio = trl_uio = NULL;
1616 if (uap->hdtr != NULL) {
1617 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32));
1620 PTRIN_CP(hdtr32, hdtr, headers);
1621 CP(hdtr32, hdtr, hdr_cnt);
1622 PTRIN_CP(hdtr32, hdtr, trailers);
1623 CP(hdtr32, hdtr, trl_cnt);
1625 if (hdtr.headers != NULL) {
1626 iov32 = PTRIN(hdtr32.headers);
1627 error = freebsd32_copyinuio(iov32,
1628 hdtr32.hdr_cnt, &hdr_uio);
1631 #ifdef COMPAT_FREEBSD4
1633 * In FreeBSD < 5.0 the nbytes to send also included
1634 * the header. If compat is specified subtract the
1635 * header size from nbytes.
1638 if (uap->nbytes > hdr_uio->uio_resid)
1639 uap->nbytes -= hdr_uio->uio_resid;
1645 if (hdtr.trailers != NULL) {
1646 iov32 = PTRIN(hdtr32.trailers);
1647 error = freebsd32_copyinuio(iov32,
1648 hdtr32.trl_cnt, &trl_uio);
1654 AUDIT_ARG_FD(uap->fd);
1656 if ((error = fget_read(td, uap->fd,
1657 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0)
1660 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset,
1661 uap->nbytes, &sbytes, uap->flags, td);
1664 if (uap->sbytes != NULL)
1665 copyout(&sbytes, uap->sbytes, sizeof(off_t));
1669 free(hdr_uio, M_IOV);
1671 free(trl_uio, M_IOV);
1675 #ifdef COMPAT_FREEBSD4
1677 freebsd4_freebsd32_sendfile(struct thread *td,
1678 struct freebsd4_freebsd32_sendfile_args *uap)
1680 return (freebsd32_do_sendfile(td,
1681 (struct freebsd32_sendfile_args *)uap, 1));
1686 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap)
1689 return (freebsd32_do_sendfile(td, uap, 0));
1693 copy_stat(struct stat *in, struct stat32 *out)
1696 CP(*in, *out, st_dev);
1697 CP(*in, *out, st_ino);
1698 CP(*in, *out, st_mode);
1699 CP(*in, *out, st_nlink);
1700 CP(*in, *out, st_uid);
1701 CP(*in, *out, st_gid);
1702 CP(*in, *out, st_rdev);
1703 TS_CP(*in, *out, st_atim);
1704 TS_CP(*in, *out, st_mtim);
1705 TS_CP(*in, *out, st_ctim);
1706 CP(*in, *out, st_size);
1707 CP(*in, *out, st_blocks);
1708 CP(*in, *out, st_blksize);
1709 CP(*in, *out, st_flags);
1710 CP(*in, *out, st_gen);
1711 TS_CP(*in, *out, st_birthtim);
1716 copy_ostat(struct stat *in, struct ostat32 *out)
1719 CP(*in, *out, st_dev);
1720 CP(*in, *out, st_ino);
1721 CP(*in, *out, st_mode);
1722 CP(*in, *out, st_nlink);
1723 CP(*in, *out, st_uid);
1724 CP(*in, *out, st_gid);
1725 CP(*in, *out, st_rdev);
1726 CP(*in, *out, st_size);
1727 TS_CP(*in, *out, st_atim);
1728 TS_CP(*in, *out, st_mtim);
1729 TS_CP(*in, *out, st_ctim);
1730 CP(*in, *out, st_blksize);
1731 CP(*in, *out, st_blocks);
1732 CP(*in, *out, st_flags);
1733 CP(*in, *out, st_gen);
1738 freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap)
1744 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE,
1748 copy_stat(&sb, &sb32);
1749 error = copyout(&sb32, uap->ub, sizeof (sb32));
1755 ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap)
1758 struct ostat32 sb32;
1761 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE,
1765 copy_ostat(&sb, &sb32);
1766 error = copyout(&sb32, uap->ub, sizeof (sb32));
1772 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap)
1778 error = kern_fstat(td, uap->fd, &ub);
1781 copy_stat(&ub, &ub32);
1782 error = copyout(&ub32, uap->ub, sizeof(ub32));
1788 ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap)
1791 struct ostat32 ub32;
1794 error = kern_fstat(td, uap->fd, &ub);
1797 copy_ostat(&ub, &ub32);
1798 error = copyout(&ub32, uap->ub, sizeof(ub32));
1804 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap)
1810 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE,
1814 copy_stat(&ub, &ub32);
1815 error = copyout(&ub32, uap->buf, sizeof(ub32));
1820 freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap)
1826 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path,
1827 UIO_USERSPACE, &sb, NULL);
1830 copy_stat(&sb, &sb32);
1831 error = copyout(&sb32, uap->ub, sizeof (sb32));
1837 ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap)
1840 struct ostat32 sb32;
1843 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path,
1844 UIO_USERSPACE, &sb, NULL);
1847 copy_ostat(&sb, &sb32);
1848 error = copyout(&sb32, uap->ub, sizeof (sb32));
1854 freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap)
1856 int error, name[CTL_MAXNAME];
1860 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2)
1862 error = copyin(uap->name, name, uap->namelen * sizeof(int));
1866 error = fueword32(uap->oldlenp, &tmp);
1873 error = userland_sysctl(td, name, uap->namelen,
1874 uap->old, &oldlen, 1,
1875 uap->new, uap->newlen, &j, SCTL_MASK32);
1876 if (error && error != ENOMEM)
1879 suword32(uap->oldlenp, j);
1884 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap)
1890 error = copyin(uap->jail, &version, sizeof(uint32_t));
1897 /* FreeBSD single IPv4 jails. */
1898 struct jail32_v0 j32_v0;
1900 bzero(&j, sizeof(struct jail));
1901 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0));
1904 CP(j32_v0, j, version);
1905 PTRIN_CP(j32_v0, j, path);
1906 PTRIN_CP(j32_v0, j, hostname);
1907 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */
1913 * Version 1 was used by multi-IPv4 jail implementations
1914 * that never made it into the official kernel.
1918 case 2: /* JAIL_API_VERSION */
1920 /* FreeBSD multi-IPv4/IPv6,noIP jails. */
1923 error = copyin(uap->jail, &j32, sizeof(struct jail32));
1926 CP(j32, j, version);
1927 PTRIN_CP(j32, j, path);
1928 PTRIN_CP(j32, j, hostname);
1929 PTRIN_CP(j32, j, jailname);
1932 PTRIN_CP(j32, j, ip4);
1933 PTRIN_CP(j32, j, ip6);
1938 /* Sci-Fi jails are not supported, sorry. */
1941 return (kern_jail(td, &j));
1945 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap)
1950 /* Check that we have an even number of iovecs. */
1951 if (uap->iovcnt & 1)
1954 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1957 error = kern_jail_set(td, auio, uap->flags);
1963 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap)
1965 struct iovec32 iov32;
1969 /* Check that we have an even number of iovecs. */
1970 if (uap->iovcnt & 1)
1973 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1976 error = kern_jail_get(td, auio, uap->flags);
1978 for (i = 0; i < uap->iovcnt; i++) {
1979 PTROUT_CP(auio->uio_iov[i], iov32, iov_base);
1980 CP(auio->uio_iov[i], iov32, iov_len);
1981 error = copyout(&iov32, uap->iovp + i, sizeof(iov32));
1990 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap)
1992 struct sigaction32 s32;
1993 struct sigaction sa, osa, *sap;
1997 error = copyin(uap->act, &s32, sizeof(s32));
2000 sa.sa_handler = PTRIN(s32.sa_u);
2001 CP(s32, sa, sa_flags);
2002 CP(s32, sa, sa_mask);
2006 error = kern_sigaction(td, uap->sig, sap, &osa, 0);
2007 if (error == 0 && uap->oact != NULL) {
2008 s32.sa_u = PTROUT(osa.sa_handler);
2009 CP(osa, s32, sa_flags);
2010 CP(osa, s32, sa_mask);
2011 error = copyout(&s32, uap->oact, sizeof(s32));
2016 #ifdef COMPAT_FREEBSD4
2018 freebsd4_freebsd32_sigaction(struct thread *td,
2019 struct freebsd4_freebsd32_sigaction_args *uap)
2021 struct sigaction32 s32;
2022 struct sigaction sa, osa, *sap;
2026 error = copyin(uap->act, &s32, sizeof(s32));
2029 sa.sa_handler = PTRIN(s32.sa_u);
2030 CP(s32, sa, sa_flags);
2031 CP(s32, sa, sa_mask);
2035 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4);
2036 if (error == 0 && uap->oact != NULL) {
2037 s32.sa_u = PTROUT(osa.sa_handler);
2038 CP(osa, s32, sa_flags);
2039 CP(osa, s32, sa_mask);
2040 error = copyout(&s32, uap->oact, sizeof(s32));
2047 struct osigaction32 {
2056 ofreebsd32_sigaction(struct thread *td,
2057 struct ofreebsd32_sigaction_args *uap)
2059 struct osigaction32 s32;
2060 struct sigaction sa, osa, *sap;
2063 if (uap->signum <= 0 || uap->signum >= ONSIG)
2067 error = copyin(uap->nsa, &s32, sizeof(s32));
2070 sa.sa_handler = PTRIN(s32.sa_u);
2071 CP(s32, sa, sa_flags);
2072 OSIG2SIG(s32.sa_mask, sa.sa_mask);
2076 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2077 if (error == 0 && uap->osa != NULL) {
2078 s32.sa_u = PTROUT(osa.sa_handler);
2079 CP(osa, s32, sa_flags);
2080 SIG2OSIG(osa.sa_mask, s32.sa_mask);
2081 error = copyout(&s32, uap->osa, sizeof(s32));
2087 ofreebsd32_sigprocmask(struct thread *td,
2088 struct ofreebsd32_sigprocmask_args *uap)
2093 OSIG2SIG(uap->mask, set);
2094 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD);
2095 SIG2OSIG(oset, td->td_retval[0]);
2100 ofreebsd32_sigpending(struct thread *td,
2101 struct ofreebsd32_sigpending_args *uap)
2103 struct proc *p = td->td_proc;
2107 siglist = p->p_siglist;
2108 SIGSETOR(siglist, td->td_siglist);
2110 SIG2OSIG(siglist, td->td_retval[0]);
2115 u_int32_t sv_handler;
2121 ofreebsd32_sigvec(struct thread *td,
2122 struct ofreebsd32_sigvec_args *uap)
2124 struct sigvec32 vec;
2125 struct sigaction sa, osa, *sap;
2128 if (uap->signum <= 0 || uap->signum >= ONSIG)
2132 error = copyin(uap->nsv, &vec, sizeof(vec));
2135 sa.sa_handler = PTRIN(vec.sv_handler);
2136 OSIG2SIG(vec.sv_mask, sa.sa_mask);
2137 sa.sa_flags = vec.sv_flags;
2138 sa.sa_flags ^= SA_RESTART;
2142 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2143 if (error == 0 && uap->osv != NULL) {
2144 vec.sv_handler = PTROUT(osa.sa_handler);
2145 SIG2OSIG(osa.sa_mask, vec.sv_mask);
2146 vec.sv_flags = osa.sa_flags;
2147 vec.sv_flags &= ~SA_NOCLDWAIT;
2148 vec.sv_flags ^= SA_RESTART;
2149 error = copyout(&vec, uap->osv, sizeof(vec));
2155 ofreebsd32_sigblock(struct thread *td,
2156 struct ofreebsd32_sigblock_args *uap)
2160 OSIG2SIG(uap->mask, set);
2161 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0);
2162 SIG2OSIG(oset, td->td_retval[0]);
2167 ofreebsd32_sigsetmask(struct thread *td,
2168 struct ofreebsd32_sigsetmask_args *uap)
2172 OSIG2SIG(uap->mask, set);
2173 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0);
2174 SIG2OSIG(oset, td->td_retval[0]);
2179 ofreebsd32_sigsuspend(struct thread *td,
2180 struct ofreebsd32_sigsuspend_args *uap)
2184 OSIG2SIG(uap->mask, mask);
2185 return (kern_sigsuspend(td, mask));
2194 ofreebsd32_sigstack(struct thread *td,
2195 struct ofreebsd32_sigstack_args *uap)
2197 struct sigstack32 s32;
2198 struct sigstack nss, oss;
2199 int error = 0, unss;
2201 if (uap->nss != NULL) {
2202 error = copyin(uap->nss, &s32, sizeof(s32));
2205 nss.ss_sp = PTRIN(s32.ss_sp);
2206 CP(s32, nss, ss_onstack);
2211 oss.ss_sp = td->td_sigstk.ss_sp;
2212 oss.ss_onstack = sigonstack(cpu_getstack(td));
2214 td->td_sigstk.ss_sp = nss.ss_sp;
2215 td->td_sigstk.ss_size = 0;
2216 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK);
2217 td->td_pflags |= TDP_ALTSTACK;
2219 if (uap->oss != NULL) {
2220 s32.ss_sp = PTROUT(oss.ss_sp);
2221 CP(oss, s32, ss_onstack);
2222 error = copyout(&s32, uap->oss, sizeof(s32));
2229 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap)
2232 return (freebsd32_user_clock_nanosleep(td, CLOCK_REALTIME,
2233 TIMER_RELTIME, uap->rqtp, uap->rmtp));
2237 freebsd32_clock_nanosleep(struct thread *td,
2238 struct freebsd32_clock_nanosleep_args *uap)
2242 error = freebsd32_user_clock_nanosleep(td, uap->clock_id, uap->flags,
2243 uap->rqtp, uap->rmtp);
2244 return (kern_posix_error(td, error));
2248 freebsd32_user_clock_nanosleep(struct thread *td, clockid_t clock_id,
2249 int flags, const struct timespec32 *ua_rqtp, struct timespec32 *ua_rmtp)
2251 struct timespec32 rmt32, rqt32;
2252 struct timespec rmt, rqt;
2255 error = copyin(ua_rqtp, &rqt32, sizeof(rqt32));
2259 CP(rqt32, rqt, tv_sec);
2260 CP(rqt32, rqt, tv_nsec);
2262 if (ua_rmtp != NULL && (flags & TIMER_ABSTIME) == 0 &&
2263 !useracc(ua_rmtp, sizeof(rmt32), VM_PROT_WRITE))
2265 error = kern_clock_nanosleep(td, clock_id, flags, &rqt, &rmt);
2266 if (error == EINTR && ua_rmtp != NULL && (flags & TIMER_ABSTIME) == 0) {
2269 CP(rmt, rmt32, tv_sec);
2270 CP(rmt, rmt32, tv_nsec);
2272 error2 = copyout(&rmt32, ua_rmtp, sizeof(rmt32));
2280 freebsd32_clock_gettime(struct thread *td,
2281 struct freebsd32_clock_gettime_args *uap)
2283 struct timespec ats;
2284 struct timespec32 ats32;
2287 error = kern_clock_gettime(td, uap->clock_id, &ats);
2289 CP(ats, ats32, tv_sec);
2290 CP(ats, ats32, tv_nsec);
2291 error = copyout(&ats32, uap->tp, sizeof(ats32));
2297 freebsd32_clock_settime(struct thread *td,
2298 struct freebsd32_clock_settime_args *uap)
2300 struct timespec ats;
2301 struct timespec32 ats32;
2304 error = copyin(uap->tp, &ats32, sizeof(ats32));
2307 CP(ats32, ats, tv_sec);
2308 CP(ats32, ats, tv_nsec);
2310 return (kern_clock_settime(td, uap->clock_id, &ats));
2314 freebsd32_clock_getres(struct thread *td,
2315 struct freebsd32_clock_getres_args *uap)
2318 struct timespec32 ts32;
2321 if (uap->tp == NULL)
2323 error = kern_clock_getres(td, uap->clock_id, &ts);
2325 CP(ts, ts32, tv_sec);
2326 CP(ts, ts32, tv_nsec);
2327 error = copyout(&ts32, uap->tp, sizeof(ts32));
2332 int freebsd32_ktimer_create(struct thread *td,
2333 struct freebsd32_ktimer_create_args *uap)
2335 struct sigevent32 ev32;
2336 struct sigevent ev, *evp;
2339 if (uap->evp == NULL) {
2343 error = copyin(uap->evp, &ev32, sizeof(ev32));
2346 error = convert_sigevent32(&ev32, &ev);
2350 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1);
2352 error = copyout(&id, uap->timerid, sizeof(int));
2354 kern_ktimer_delete(td, id);
2360 freebsd32_ktimer_settime(struct thread *td,
2361 struct freebsd32_ktimer_settime_args *uap)
2363 struct itimerspec32 val32, oval32;
2364 struct itimerspec val, oval, *ovalp;
2367 error = copyin(uap->value, &val32, sizeof(val32));
2371 ovalp = uap->ovalue != NULL ? &oval : NULL;
2372 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp);
2373 if (error == 0 && uap->ovalue != NULL) {
2374 ITS_CP(oval, oval32);
2375 error = copyout(&oval32, uap->ovalue, sizeof(oval32));
2381 freebsd32_ktimer_gettime(struct thread *td,
2382 struct freebsd32_ktimer_gettime_args *uap)
2384 struct itimerspec32 val32;
2385 struct itimerspec val;
2388 error = kern_ktimer_gettime(td, uap->timerid, &val);
2391 error = copyout(&val32, uap->value, sizeof(val32));
2397 freebsd32_clock_getcpuclockid2(struct thread *td,
2398 struct freebsd32_clock_getcpuclockid2_args *uap)
2403 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id),
2404 uap->which, &clk_id);
2406 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t));
2411 freebsd32_thr_new(struct thread *td,
2412 struct freebsd32_thr_new_args *uap)
2414 struct thr_param32 param32;
2415 struct thr_param param;
2418 if (uap->param_size < 0 ||
2419 uap->param_size > sizeof(struct thr_param32))
2421 bzero(¶m, sizeof(struct thr_param));
2422 bzero(¶m32, sizeof(struct thr_param32));
2423 error = copyin(uap->param, ¶m32, uap->param_size);
2426 param.start_func = PTRIN(param32.start_func);
2427 param.arg = PTRIN(param32.arg);
2428 param.stack_base = PTRIN(param32.stack_base);
2429 param.stack_size = param32.stack_size;
2430 param.tls_base = PTRIN(param32.tls_base);
2431 param.tls_size = param32.tls_size;
2432 param.child_tid = PTRIN(param32.child_tid);
2433 param.parent_tid = PTRIN(param32.parent_tid);
2434 param.flags = param32.flags;
2435 param.rtp = PTRIN(param32.rtp);
2436 param.spare[0] = PTRIN(param32.spare[0]);
2437 param.spare[1] = PTRIN(param32.spare[1]);
2438 param.spare[2] = PTRIN(param32.spare[2]);
2440 return (kern_thr_new(td, ¶m));
2444 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap)
2446 struct timespec32 ts32;
2447 struct timespec ts, *tsp;
2452 if (uap->timeout != NULL) {
2453 error = copyin((const void *)uap->timeout, (void *)&ts32,
2454 sizeof(struct timespec32));
2457 ts.tv_sec = ts32.tv_sec;
2458 ts.tv_nsec = ts32.tv_nsec;
2461 return (kern_thr_suspend(td, tsp));
2465 siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst)
2467 bzero(dst, sizeof(*dst));
2468 dst->si_signo = src->si_signo;
2469 dst->si_errno = src->si_errno;
2470 dst->si_code = src->si_code;
2471 dst->si_pid = src->si_pid;
2472 dst->si_uid = src->si_uid;
2473 dst->si_status = src->si_status;
2474 dst->si_addr = (uintptr_t)src->si_addr;
2475 dst->si_value.sival_int = src->si_value.sival_int;
2476 dst->si_timerid = src->si_timerid;
2477 dst->si_overrun = src->si_overrun;
2480 #ifndef _FREEBSD32_SYSPROTO_H_
2481 struct freebsd32_sigqueue_args {
2484 /* union sigval32 */ int value;
2488 freebsd32_sigqueue(struct thread *td, struct freebsd32_sigqueue_args *uap)
2493 * On 32-bit ABIs, sival_int and sival_ptr are the same.
2494 * On 64-bit little-endian ABIs, the low bits are the same.
2495 * In 64-bit big-endian ABIs, sival_int overlaps with
2496 * sival_ptr's HIGH bits. We choose to support sival_int
2497 * rather than sival_ptr in this case as it seems to be
2500 bzero(&sv, sizeof(sv));
2501 sv.sival_int = uap->value;
2503 return (kern_sigqueue(td, uap->pid, uap->signum, &sv));
2507 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap)
2509 struct timespec32 ts32;
2511 struct timespec *timeout;
2514 struct siginfo32 si32;
2518 error = copyin(uap->timeout, &ts32, sizeof(ts32));
2521 ts.tv_sec = ts32.tv_sec;
2522 ts.tv_nsec = ts32.tv_nsec;
2527 error = copyin(uap->set, &set, sizeof(set));
2531 error = kern_sigtimedwait(td, set, &ksi, timeout);
2536 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
2537 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
2541 td->td_retval[0] = ksi.ksi_signo;
2549 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap)
2552 struct siginfo32 si32;
2556 error = copyin(uap->set, &set, sizeof(set));
2560 error = kern_sigtimedwait(td, set, &ksi, NULL);
2565 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
2566 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
2569 td->td_retval[0] = ksi.ksi_signo;
2574 freebsd32_cpuset_setid(struct thread *td,
2575 struct freebsd32_cpuset_setid_args *uap)
2578 return (kern_cpuset_setid(td, uap->which,
2579 PAIR32TO64(id_t, uap->id), uap->setid));
2583 freebsd32_cpuset_getid(struct thread *td,
2584 struct freebsd32_cpuset_getid_args *uap)
2587 return (kern_cpuset_getid(td, uap->level, uap->which,
2588 PAIR32TO64(id_t, uap->id), uap->setid));
2592 freebsd32_cpuset_getaffinity(struct thread *td,
2593 struct freebsd32_cpuset_getaffinity_args *uap)
2596 return (kern_cpuset_getaffinity(td, uap->level, uap->which,
2597 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask));
2601 freebsd32_cpuset_setaffinity(struct thread *td,
2602 struct freebsd32_cpuset_setaffinity_args *uap)
2605 return (kern_cpuset_setaffinity(td, uap->level, uap->which,
2606 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask));
2610 freebsd32_nmount(struct thread *td,
2611 struct freebsd32_nmount_args /* {
2613 unsigned int iovcnt;
2622 * Mount flags are now 64-bits. On 32-bit archtectures only
2623 * 32-bits are passed in, but from here on everything handles
2624 * 64-bit flags correctly.
2628 AUDIT_ARG_FFLAGS(flags);
2631 * Filter out MNT_ROOTFS. We do not want clients of nmount() in
2632 * userspace to set this flag, but we must filter it out if we want
2633 * MNT_UPDATE on the root file system to work.
2634 * MNT_ROOTFS should only be set by the kernel when mounting its
2637 flags &= ~MNT_ROOTFS;
2640 * check that we have an even number of iovec's
2641 * and that we have at least two options.
2643 if ((uap->iovcnt & 1) || (uap->iovcnt < 4))
2646 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2649 error = vfs_donmount(td, flags, auio);
2657 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap)
2659 struct yyy32 *p32, s32;
2660 struct yyy *p = NULL, s;
2665 error = copyin(uap->zzz, &s32, sizeof(s32));
2671 error = kern_xxx(td, p);
2676 error = copyout(&s32, p32, sizeof(s32));
2683 syscall32_register(int *offset, struct sysent *new_sysent,
2684 struct sysent *old_sysent, int flags)
2687 if ((flags & ~SY_THR_STATIC) != 0)
2690 if (*offset == NO_SYSCALL) {
2693 for (i = 1; i < SYS_MAXSYSCALL; ++i)
2694 if (freebsd32_sysent[i].sy_call ==
2695 (sy_call_t *)lkmnosys)
2697 if (i == SYS_MAXSYSCALL)
2700 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL)
2702 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys &&
2703 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys)
2706 *old_sysent = freebsd32_sysent[*offset];
2707 freebsd32_sysent[*offset] = *new_sysent;
2708 atomic_store_rel_32(&freebsd32_sysent[*offset].sy_thrcnt, flags);
2713 syscall32_deregister(int *offset, struct sysent *old_sysent)
2719 freebsd32_sysent[*offset] = *old_sysent;
2724 syscall32_module_handler(struct module *mod, int what, void *arg)
2726 struct syscall_module_data *data = (struct syscall_module_data*)arg;
2732 error = syscall32_register(data->offset, data->new_sysent,
2733 &data->old_sysent, SY_THR_STATIC_KLD);
2735 /* Leave a mark so we know to safely unload below. */
2736 data->offset = NULL;
2739 ms.intval = *data->offset;
2741 module_setspecific(mod, &ms);
2744 error = data->chainevh(mod, what, data->chainarg);
2748 * MOD_LOAD failed, so just return without calling the
2749 * chained handler since we didn't pass along the MOD_LOAD
2752 if (data->offset == NULL)
2754 if (data->chainevh) {
2755 error = data->chainevh(mod, what, data->chainarg);
2759 error = syscall32_deregister(data->offset, &data->old_sysent);
2764 error = data->chainevh(mod, what, data->chainarg);
2770 syscall32_helper_register(struct syscall_helper_data *sd, int flags)
2772 struct syscall_helper_data *sd1;
2775 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) {
2776 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent,
2777 &sd1->old_sysent, flags);
2779 syscall32_helper_unregister(sd);
2782 sd1->registered = 1;
2788 syscall32_helper_unregister(struct syscall_helper_data *sd)
2790 struct syscall_helper_data *sd1;
2792 for (sd1 = sd; sd1->registered != 0; sd1++) {
2793 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent);
2794 sd1->registered = 0;
2800 freebsd32_copyout_strings(struct image_params *imgp)
2806 u_int32_t *stack_base;
2807 struct freebsd32_ps_strings *arginfo;
2808 char canary[sizeof(long) * 8];
2809 int32_t pagesizes32[MAXPAGESIZES];
2810 size_t execpath_len;
2814 * Calculate string base and vector table pointers.
2815 * Also deal with signal trampoline code for this exec type.
2817 if (imgp->execpath != NULL && imgp->auxargs != NULL)
2818 execpath_len = strlen(imgp->execpath) + 1;
2821 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent->
2823 if (imgp->proc->p_sysent->sv_sigcode_base == 0)
2824 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode);
2827 destp = (uintptr_t)arginfo;
2832 if (szsigcode != 0) {
2834 destp = rounddown2(destp, sizeof(uint32_t));
2835 copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp,
2840 * Copy the image path for the rtld.
2842 if (execpath_len != 0) {
2843 destp -= execpath_len;
2844 imgp->execpathp = destp;
2845 copyout(imgp->execpath, (void *)destp, execpath_len);
2849 * Prepare the canary for SSP.
2851 arc4rand(canary, sizeof(canary), 0);
2852 destp -= sizeof(canary);
2853 imgp->canary = destp;
2854 copyout(canary, (void *)destp, sizeof(canary));
2855 imgp->canarylen = sizeof(canary);
2858 * Prepare the pagesizes array.
2860 for (i = 0; i < MAXPAGESIZES; i++)
2861 pagesizes32[i] = (uint32_t)pagesizes[i];
2862 destp -= sizeof(pagesizes32);
2863 destp = rounddown2(destp, sizeof(uint32_t));
2864 imgp->pagesizes = destp;
2865 copyout(pagesizes32, (void *)destp, sizeof(pagesizes32));
2866 imgp->pagesizeslen = sizeof(pagesizes32);
2868 destp -= ARG_MAX - imgp->args->stringspace;
2869 destp = rounddown2(destp, sizeof(uint32_t));
2872 * If we have a valid auxargs ptr, prepare some room
2875 if (imgp->auxargs) {
2877 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for
2878 * lower compatibility.
2880 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size
2883 * The '+ 2' is for the null pointers at the end of each of
2884 * the arg and env vector sets,and imgp->auxarg_size is room
2885 * for argument of Runtime loader.
2887 vectp = (u_int32_t *) (destp - (imgp->args->argc +
2888 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) *
2892 * The '+ 2' is for the null pointers at the end of each of
2893 * the arg and env vector sets
2895 vectp = (u_int32_t *)(destp - (imgp->args->argc +
2896 imgp->args->envc + 2) * sizeof(u_int32_t));
2900 * vectp also becomes our initial stack base
2904 stringp = imgp->args->begin_argv;
2905 argc = imgp->args->argc;
2906 envc = imgp->args->envc;
2908 * Copy out strings - arguments and environment.
2910 copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace);
2913 * Fill in "ps_strings" struct for ps, w, etc.
2915 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp);
2916 suword32(&arginfo->ps_nargvstr, argc);
2919 * Fill in argument portion of vector table.
2921 for (; argc > 0; --argc) {
2922 suword32(vectp++, (u_int32_t)(intptr_t)destp);
2923 while (*stringp++ != 0)
2928 /* a null vector table pointer separates the argp's from the envp's */
2929 suword32(vectp++, 0);
2931 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp);
2932 suword32(&arginfo->ps_nenvstr, envc);
2935 * Fill in environment portion of vector table.
2937 for (; envc > 0; --envc) {
2938 suword32(vectp++, (u_int32_t)(intptr_t)destp);
2939 while (*stringp++ != 0)
2944 /* end of vector table is a null pointer */
2947 return ((register_t *)stack_base);
2951 freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap)
2953 struct kld_file_stat stat;
2954 struct kld32_file_stat stat32;
2957 if ((error = copyin(&uap->stat->version, &version, sizeof(version)))
2960 if (version != sizeof(struct kld32_file_stat_1) &&
2961 version != sizeof(struct kld32_file_stat))
2964 error = kern_kldstat(td, uap->fileid, &stat);
2968 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name));
2969 CP(stat, stat32, refs);
2970 CP(stat, stat32, id);
2971 PTROUT_CP(stat, stat32, address);
2972 CP(stat, stat32, size);
2973 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname));
2974 return (copyout(&stat32, uap->stat, version));
2978 freebsd32_posix_fallocate(struct thread *td,
2979 struct freebsd32_posix_fallocate_args *uap)
2983 error = kern_posix_fallocate(td, uap->fd,
2984 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len));
2985 return (kern_posix_error(td, error));
2989 freebsd32_posix_fadvise(struct thread *td,
2990 struct freebsd32_posix_fadvise_args *uap)
2994 error = kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset),
2995 PAIR32TO64(off_t, uap->len), uap->advice);
2996 return (kern_posix_error(td, error));
3000 convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig)
3003 CP(*sig32, *sig, sigev_notify);
3004 switch (sig->sigev_notify) {
3007 case SIGEV_THREAD_ID:
3008 CP(*sig32, *sig, sigev_notify_thread_id);
3011 CP(*sig32, *sig, sigev_signo);
3012 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
3015 CP(*sig32, *sig, sigev_notify_kqueue);
3016 CP(*sig32, *sig, sigev_notify_kevent_flags);
3017 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
3026 freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap)
3030 struct procctl_reaper_status rs;
3031 struct procctl_reaper_pids rp;
3032 struct procctl_reaper_kill rk;
3035 struct procctl_reaper_pids32 rp;
3037 int error, error1, flags;
3041 case PROC_TRACE_CTL:
3042 case PROC_TRAPCAP_CTL:
3043 error = copyin(PTRIN(uap->data), &flags, sizeof(flags));
3048 case PROC_REAP_ACQUIRE:
3049 case PROC_REAP_RELEASE:
3050 if (uap->data != NULL)
3054 case PROC_REAP_STATUS:
3057 case PROC_REAP_GETPIDS:
3058 error = copyin(uap->data, &x32.rp, sizeof(x32.rp));
3061 CP(x32.rp, x.rp, rp_count);
3062 PTRIN_CP(x32.rp, x.rp, rp_pids);
3065 case PROC_REAP_KILL:
3066 error = copyin(uap->data, &x.rk, sizeof(x.rk));
3071 case PROC_TRACE_STATUS:
3072 case PROC_TRAPCAP_STATUS:
3078 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id),
3081 case PROC_REAP_STATUS:
3083 error = copyout(&x.rs, uap->data, sizeof(x.rs));
3085 case PROC_REAP_KILL:
3086 error1 = copyout(&x.rk, uap->data, sizeof(x.rk));
3090 case PROC_TRACE_STATUS:
3091 case PROC_TRAPCAP_STATUS:
3093 error = copyout(&flags, uap->data, sizeof(flags));
3100 freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap)
3106 * Do unsigned conversion for arg when operation
3107 * interprets it as flags or pointer.
3109 case F_SETLK_REMOTE:
3118 tmp = (unsigned int)(uap->arg);
3124 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp));
3128 freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap)
3130 struct timespec32 ts32;
3131 struct timespec ts, *tsp;
3135 if (uap->ts != NULL) {
3136 error = copyin(uap->ts, &ts32, sizeof(ts32));
3139 CP(ts32, ts, tv_sec);
3140 CP(ts32, ts, tv_nsec);
3144 if (uap->set != NULL) {
3145 error = copyin(uap->set, &set, sizeof(set));
3152 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp));