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/clock.h>
40 #include <sys/fcntl.h>
41 #include <sys/filedesc.h>
42 #include <sys/imgact.h>
44 #include <sys/kernel.h>
45 #include <sys/limits.h>
47 #include <sys/malloc.h>
48 #include <sys/file.h> /* Must come after sys/malloc.h */
49 #include <sys/imgact.h>
52 #include <sys/module.h>
53 #include <sys/mount.h>
54 #include <sys/mutex.h>
55 #include <sys/namei.h>
57 #include <sys/reboot.h>
58 #include <sys/resource.h>
59 #include <sys/resourcevar.h>
60 #include <sys/selinfo.h>
61 #include <sys/eventvar.h> /* Must come after sys/selinfo.h */
62 #include <sys/pipe.h> /* Must come after sys/selinfo.h */
63 #include <sys/signal.h>
64 #include <sys/signalvar.h>
65 #include <sys/socket.h>
66 #include <sys/socketvar.h>
68 #include <sys/syscall.h>
69 #include <sys/syscallsubr.h>
70 #include <sys/sysctl.h>
71 #include <sys/sysent.h>
72 #include <sys/sysproto.h>
73 #include <sys/systm.h>
75 #include <sys/unistd.h>
76 #include <sys/ucontext.h>
77 #include <sys/vnode.h>
85 #include <netinet/in.h>
89 #include <vm/vm_kern.h>
90 #include <vm/vm_param.h>
92 #include <vm/vm_map.h>
93 #include <vm/vm_object.h>
94 #include <vm/vm_extern.h>
96 #include <machine/cpu.h>
97 #include <machine/elf.h>
99 #include <security/audit/audit.h>
101 #include <compat/freebsd32/freebsd32_util.h>
102 #include <compat/freebsd32/freebsd32.h>
103 #include <compat/freebsd32/freebsd32_ipc.h>
104 #include <compat/freebsd32/freebsd32_signal.h>
105 #include <compat/freebsd32/freebsd32_proto.h>
107 CTASSERT(sizeof(struct timeval32) == 8);
108 CTASSERT(sizeof(struct timespec32) == 8);
109 CTASSERT(sizeof(struct itimerval32) == 16);
110 CTASSERT(sizeof(struct statfs32) == 256);
111 CTASSERT(sizeof(struct rusage32) == 72);
112 CTASSERT(sizeof(struct sigaltstack32) == 12);
113 CTASSERT(sizeof(struct kevent32) == 20);
114 CTASSERT(sizeof(struct iovec32) == 8);
115 CTASSERT(sizeof(struct msghdr32) == 28);
116 CTASSERT(sizeof(struct stat32) == 96);
117 CTASSERT(sizeof(struct sigaction32) == 24);
119 static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count);
120 static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count);
122 #if BYTE_ORDER == BIG_ENDIAN
123 #define PAIR32TO64(type, name) ((name ## 2) | ((type)(name ## 1) << 32))
127 #define PAIR32TO64(type, name) ((name ## 1) | ((type)(name ## 2) << 32))
133 freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32)
136 TV_CP(*s, *s32, ru_utime);
137 TV_CP(*s, *s32, ru_stime);
138 CP(*s, *s32, ru_maxrss);
139 CP(*s, *s32, ru_ixrss);
140 CP(*s, *s32, ru_idrss);
141 CP(*s, *s32, ru_isrss);
142 CP(*s, *s32, ru_minflt);
143 CP(*s, *s32, ru_majflt);
144 CP(*s, *s32, ru_nswap);
145 CP(*s, *s32, ru_inblock);
146 CP(*s, *s32, ru_oublock);
147 CP(*s, *s32, ru_msgsnd);
148 CP(*s, *s32, ru_msgrcv);
149 CP(*s, *s32, ru_nsignals);
150 CP(*s, *s32, ru_nvcsw);
151 CP(*s, *s32, ru_nivcsw);
155 freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap)
158 struct rusage32 ru32;
159 struct rusage ru, *rup;
161 if (uap->rusage != NULL)
165 error = kern_wait(td, uap->pid, &status, uap->options, rup);
168 if (uap->status != NULL)
169 error = copyout(&status, uap->status, sizeof(status));
170 if (uap->rusage != NULL && error == 0) {
171 freebsd32_rusage_out(&ru, &ru32);
172 error = copyout(&ru32, uap->rusage, sizeof(ru32));
177 #ifdef COMPAT_FREEBSD4
179 copy_statfs(struct statfs *in, struct statfs32 *out)
182 statfs_scale_blocks(in, INT32_MAX);
183 bzero(out, sizeof(*out));
184 CP(*in, *out, f_bsize);
185 out->f_iosize = MIN(in->f_iosize, INT32_MAX);
186 CP(*in, *out, f_blocks);
187 CP(*in, *out, f_bfree);
188 CP(*in, *out, f_bavail);
189 out->f_files = MIN(in->f_files, INT32_MAX);
190 out->f_ffree = MIN(in->f_ffree, INT32_MAX);
191 CP(*in, *out, f_fsid);
192 CP(*in, *out, f_owner);
193 CP(*in, *out, f_type);
194 CP(*in, *out, f_flags);
195 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX);
196 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX);
197 strlcpy(out->f_fstypename,
198 in->f_fstypename, MFSNAMELEN);
199 strlcpy(out->f_mntonname,
200 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN));
201 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX);
202 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX);
203 strlcpy(out->f_mntfromname,
204 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN));
208 #ifdef COMPAT_FREEBSD4
210 freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap)
212 struct statfs *buf, *sp;
213 struct statfs32 stat32;
217 count = uap->bufsize / sizeof(struct statfs32);
218 size = count * sizeof(struct statfs);
219 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags);
221 count = td->td_retval[0];
223 while (count > 0 && error == 0) {
224 copy_statfs(sp, &stat32);
225 error = copyout(&stat32, uap->buf, sizeof(stat32));
237 freebsd32_sigaltstack(struct thread *td,
238 struct freebsd32_sigaltstack_args *uap)
240 struct sigaltstack32 s32;
241 struct sigaltstack ss, oss, *ssp;
244 if (uap->ss != NULL) {
245 error = copyin(uap->ss, &s32, sizeof(s32));
248 PTRIN_CP(s32, ss, ss_sp);
249 CP(s32, ss, ss_size);
250 CP(s32, ss, ss_flags);
254 error = kern_sigaltstack(td, ssp, &oss);
255 if (error == 0 && uap->oss != NULL) {
256 PTROUT_CP(oss, s32, ss_sp);
257 CP(oss, s32, ss_size);
258 CP(oss, s32, ss_flags);
259 error = copyout(&s32, uap->oss, sizeof(s32));
265 * Custom version of exec_copyin_args() so that we can translate
269 freebsd32_exec_copyin_args(struct image_args *args, char *fname,
270 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv)
277 bzero(args, sizeof(*args));
282 * Allocate temporary demand zeroed space for argument and
283 * environment strings
285 args->buf = (char *) kmem_alloc_wait(exec_map,
286 PATH_MAX + ARG_MAX + MAXSHELLCMDLEN);
287 if (args->buf == NULL)
289 args->begin_argv = args->buf;
290 args->endp = args->begin_argv;
291 args->stringspace = ARG_MAX;
294 * Copy the file name.
297 args->fname = args->buf + ARG_MAX;
298 error = (segflg == UIO_SYSSPACE) ?
299 copystr(fname, args->fname, PATH_MAX, &length) :
300 copyinstr(fname, args->fname, PATH_MAX, &length);
307 * extract arguments first
311 error = copyin(p32++, &arg, sizeof(arg));
317 error = copyinstr(argp, args->endp, args->stringspace, &length);
319 if (error == ENAMETOOLONG)
323 args->stringspace -= length;
324 args->endp += length;
328 args->begin_envv = args->endp;
331 * extract environment strings
336 error = copyin(p32++, &arg, sizeof(arg));
342 error = copyinstr(envp, args->endp, args->stringspace,
345 if (error == ENAMETOOLONG)
349 args->stringspace -= length;
350 args->endp += length;
358 kmem_free_wakeup(exec_map, (vm_offset_t)args->buf,
359 PATH_MAX + ARG_MAX + MAXSHELLCMDLEN);
365 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap)
367 struct image_args eargs;
370 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE,
371 uap->argv, uap->envv);
373 error = kern_execve(td, &eargs, NULL);
378 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap)
380 struct image_args eargs;
383 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE,
384 uap->argv, uap->envv);
387 error = kern_execve(td, &eargs, NULL);
394 freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end,
395 int prot, int fd, off_t pos)
398 vm_map_entry_t entry;
401 map = &td->td_proc->p_vmspace->vm_map;
403 prot |= VM_PROT_WRITE;
405 if (vm_map_lookup_entry(map, start, &entry)) {
406 if ((entry->protection & prot) != prot) {
407 rv = vm_map_protect(map,
410 entry->protection | prot,
412 if (rv != KERN_SUCCESS)
416 vm_offset_t addr = trunc_page(start);
417 rv = vm_map_find(map, 0, 0,
418 &addr, PAGE_SIZE, FALSE, prot,
420 if (rv != KERN_SUCCESS)
427 r.buf = (void *) start;
428 r.nbyte = end - start;
430 return (pread(td, &r));
432 while (start < end) {
433 subyte((void *) start, 0);
442 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap)
445 vm_offset_t addr = (vm_offset_t) uap->addr;
446 vm_size_t len = uap->len;
447 int prot = uap->prot;
448 int flags = uap->flags;
450 off_t pos = PAIR32TO64(off_t,uap->pos);
456 * Attempt to handle page size hassles.
458 pageoff = (pos & PAGE_MASK);
459 if (flags & MAP_FIXED) {
460 vm_offset_t start, end;
464 if (start != trunc_page(start)) {
465 error = freebsd32_mmap_partial(td, start,
466 round_page(start), prot,
469 pos += round_page(start) - start;
470 start = round_page(start);
472 if (end != round_page(end)) {
473 vm_offset_t t = trunc_page(end);
474 error = freebsd32_mmap_partial(td, t, end,
477 end = trunc_page(end);
479 if (end > start && fd != -1 && (pos & PAGE_MASK)) {
481 * We can't map this region at all. The specified
482 * address doesn't have the same alignment as the file
483 * position. Fake the mapping by simply reading the
484 * entire region into memory. First we need to make
485 * sure the region exists.
491 prot |= VM_PROT_WRITE;
492 map = &td->td_proc->p_vmspace->vm_map;
493 rv = vm_map_remove(map, start, end);
494 if (rv != KERN_SUCCESS)
496 rv = vm_map_find(map, 0, 0,
497 &start, end - start, FALSE,
498 prot, VM_PROT_ALL, 0);
499 if (rv != KERN_SUCCESS)
502 r.buf = (void *) start;
503 r.nbyte = end - start;
505 error = pread(td, &r);
509 td->td_retval[0] = addr;
514 * After dealing with the ragged ends, there
515 * might be none left.
517 td->td_retval[0] = addr;
525 ap.addr = (void *) addr;
532 return (mmap(td, &ap));
535 #ifdef COMPAT_FREEBSD6
537 freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap)
539 struct freebsd32_mmap_args ap;
544 ap.flags = uap->flags;
549 return (freebsd32_mmap(td, &ap));
554 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap)
556 struct itimerval itv, oitv, *itvp;
557 struct itimerval32 i32;
560 if (uap->itv != NULL) {
561 error = copyin(uap->itv, &i32, sizeof(i32));
564 TV_CP(i32, itv, it_interval);
565 TV_CP(i32, itv, it_value);
569 error = kern_setitimer(td, uap->which, itvp, &oitv);
570 if (error || uap->oitv == NULL)
572 TV_CP(oitv, i32, it_interval);
573 TV_CP(oitv, i32, it_value);
574 return (copyout(&i32, uap->oitv, sizeof(i32)));
578 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap)
580 struct itimerval itv;
581 struct itimerval32 i32;
584 error = kern_getitimer(td, uap->which, &itv);
585 if (error || uap->itv == NULL)
587 TV_CP(itv, i32, it_interval);
588 TV_CP(itv, i32, it_value);
589 return (copyout(&i32, uap->itv, sizeof(i32)));
593 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap)
595 struct timeval32 tv32;
596 struct timeval tv, *tvp;
599 if (uap->tv != NULL) {
600 error = copyin(uap->tv, &tv32, sizeof(tv32));
603 CP(tv32, tv, tv_sec);
604 CP(tv32, tv, tv_usec);
609 * XXX Do pointers need PTRIN()?
611 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
612 sizeof(int32_t) * 8));
616 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap)
618 struct timespec32 ts32;
620 struct timeval tv, *tvp;
624 if (uap->ts != NULL) {
625 error = copyin(uap->ts, &ts32, sizeof(ts32));
628 CP(ts32, ts, tv_sec);
629 CP(ts32, ts, tv_nsec);
630 TIMESPEC_TO_TIMEVAL(&tv, &ts);
634 if (uap->sm != NULL) {
635 error = copyin(uap->sm, &set, sizeof(set));
642 * XXX Do pointers need PTRIN()?
644 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
645 uset, sizeof(int32_t) * 8);
650 * Copy 'count' items into the destination list pointed to by uap->eventlist.
653 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count)
655 struct freebsd32_kevent_args *uap;
656 struct kevent32 ks32[KQ_NEVENTS];
659 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
660 uap = (struct freebsd32_kevent_args *)arg;
662 for (i = 0; i < count; i++) {
663 CP(kevp[i], ks32[i], ident);
664 CP(kevp[i], ks32[i], filter);
665 CP(kevp[i], ks32[i], flags);
666 CP(kevp[i], ks32[i], fflags);
667 CP(kevp[i], ks32[i], data);
668 PTROUT_CP(kevp[i], ks32[i], udata);
670 error = copyout(ks32, uap->eventlist, count * sizeof *ks32);
672 uap->eventlist += count;
677 * Copy 'count' items from the list pointed to by uap->changelist.
680 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count)
682 struct freebsd32_kevent_args *uap;
683 struct kevent32 ks32[KQ_NEVENTS];
686 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
687 uap = (struct freebsd32_kevent_args *)arg;
689 error = copyin(uap->changelist, ks32, count * sizeof *ks32);
692 uap->changelist += count;
694 for (i = 0; i < count; i++) {
695 CP(ks32[i], kevp[i], ident);
696 CP(ks32[i], kevp[i], filter);
697 CP(ks32[i], kevp[i], flags);
698 CP(ks32[i], kevp[i], fflags);
699 CP(ks32[i], kevp[i], data);
700 PTRIN_CP(ks32[i], kevp[i], udata);
707 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap)
709 struct timespec32 ts32;
710 struct timespec ts, *tsp;
711 struct kevent_copyops k_ops = { uap,
712 freebsd32_kevent_copyout,
713 freebsd32_kevent_copyin};
718 error = copyin(uap->timeout, &ts32, sizeof(ts32));
721 CP(ts32, ts, tv_sec);
722 CP(ts32, ts, tv_nsec);
726 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents,
732 freebsd32_gettimeofday(struct thread *td,
733 struct freebsd32_gettimeofday_args *uap)
736 struct timeval32 atv32;
742 CP(atv, atv32, tv_sec);
743 CP(atv, atv32, tv_usec);
744 error = copyout(&atv32, uap->tp, sizeof (atv32));
746 if (error == 0 && uap->tzp != NULL) {
747 rtz.tz_minuteswest = tz_minuteswest;
748 rtz.tz_dsttime = tz_dsttime;
749 error = copyout(&rtz, uap->tzp, sizeof (rtz));
755 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap)
761 error = kern_getrusage(td, uap->who, &s);
764 if (uap->rusage != NULL) {
765 freebsd32_rusage_out(&s, &s32);
766 error = copyout(&s32, uap->rusage, sizeof(s32));
772 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop)
774 struct iovec32 iov32;
781 if (iovcnt > UIO_MAXIOV)
783 iovlen = iovcnt * sizeof(struct iovec);
784 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK);
785 iov = (struct iovec *)(uio + 1);
786 for (i = 0; i < iovcnt; i++) {
787 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32));
792 iov[i].iov_base = PTRIN(iov32.iov_base);
793 iov[i].iov_len = iov32.iov_len;
796 uio->uio_iovcnt = iovcnt;
797 uio->uio_segflg = UIO_USERSPACE;
798 uio->uio_offset = -1;
800 for (i = 0; i < iovcnt; i++) {
801 if (iov->iov_len > INT_MAX - uio->uio_resid) {
805 uio->uio_resid += iov->iov_len;
813 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap)
818 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
821 error = kern_readv(td, uap->fd, auio);
827 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap)
832 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
835 error = kern_writev(td, uap->fd, auio);
841 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap)
846 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
849 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
855 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap)
860 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
863 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
869 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp,
872 struct iovec32 iov32;
878 if (iovcnt > UIO_MAXIOV)
880 iovlen = iovcnt * sizeof(struct iovec);
881 iov = malloc(iovlen, M_IOV, M_WAITOK);
882 for (i = 0; i < iovcnt; i++) {
883 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32));
888 iov[i].iov_base = PTRIN(iov32.iov_base);
889 iov[i].iov_len = iov32.iov_len;
896 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg)
901 error = copyin(msg32, &m32, sizeof(m32));
904 msg->msg_name = PTRIN(m32.msg_name);
905 msg->msg_namelen = m32.msg_namelen;
906 msg->msg_iov = PTRIN(m32.msg_iov);
907 msg->msg_iovlen = m32.msg_iovlen;
908 msg->msg_control = PTRIN(m32.msg_control);
909 msg->msg_controllen = m32.msg_controllen;
910 msg->msg_flags = m32.msg_flags;
915 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32)
920 m32.msg_name = PTROUT(msg->msg_name);
921 m32.msg_namelen = msg->msg_namelen;
922 m32.msg_iov = PTROUT(msg->msg_iov);
923 m32.msg_iovlen = msg->msg_iovlen;
924 m32.msg_control = PTROUT(msg->msg_control);
925 m32.msg_controllen = msg->msg_controllen;
926 m32.msg_flags = msg->msg_flags;
927 error = copyout(&m32, msg32, sizeof(m32));
931 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1)
932 #define FREEBSD32_ALIGN(p) \
933 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES)
934 #define FREEBSD32_CMSG_SPACE(l) \
935 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l))
937 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \
938 FREEBSD32_ALIGN(sizeof(struct cmsghdr)))
940 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control)
944 socklen_t clen, datalen;
947 int len, maxlen, copylen;
951 len = msg->msg_controllen;
952 maxlen = msg->msg_controllen;
953 msg->msg_controllen = 0;
956 ctlbuf = msg->msg_control;
958 while (m && len > 0) {
959 cm = mtod(m, struct cmsghdr *);
964 if (sizeof(struct cmsghdr) > clen ||
965 cm->cmsg_len > clen) {
970 data = CMSG_DATA(cm);
971 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data;
973 /* Adjust message length */
974 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) +
979 copylen = sizeof(struct cmsghdr);
981 msg->msg_flags |= MSG_CTRUNC;
985 error = copyout(cm,ctlbuf,copylen);
989 ctlbuf += FREEBSD32_ALIGN(copylen);
990 len -= FREEBSD32_ALIGN(copylen);
998 msg->msg_flags |= MSG_CTRUNC;
1002 error = copyout(data,ctlbuf,copylen);
1006 ctlbuf += FREEBSD32_ALIGN(copylen);
1007 len -= FREEBSD32_ALIGN(copylen);
1009 if (CMSG_SPACE(datalen) < clen) {
1010 clen -= CMSG_SPACE(datalen);
1011 cm = (struct cmsghdr *)
1012 ((caddr_t)cm + CMSG_SPACE(datalen));
1021 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control;
1029 freebsd32_recvmsg(td, uap)
1031 struct freebsd32_recvmsg_args /* {
1033 struct msghdr32 *msg;
1038 struct msghdr32 m32;
1039 struct iovec *uiov, *iov;
1040 struct mbuf *control = NULL;
1041 struct mbuf **controlp;
1044 error = copyin(uap->msg, &m32, sizeof(m32));
1047 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1050 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
1054 msg.msg_flags = uap->flags;
1058 controlp = (msg.msg_control != NULL) ? &control : NULL;
1059 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp);
1063 if (control != NULL)
1064 error = freebsd32_copy_msg_out(&msg, control);
1066 msg.msg_controllen = 0;
1069 error = freebsd32_copyoutmsghdr(&msg, uap->msg);
1073 if (control != NULL)
1081 freebsd32_convert_msg_in(struct mbuf **controlp)
1083 struct mbuf *control = *controlp;
1084 struct cmsghdr *cm = mtod(control, struct cmsghdr *);
1086 socklen_t clen = control->m_len, datalen;
1092 while (cm != NULL) {
1093 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) {
1098 data = FREEBSD32_CMSG_DATA(cm);
1099 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data;
1101 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type,
1103 controlp = &(*controlp)->m_next;
1105 if (FREEBSD32_CMSG_SPACE(datalen) < clen) {
1106 clen -= FREEBSD32_CMSG_SPACE(datalen);
1107 cm = (struct cmsghdr *)
1108 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen));
1121 freebsd32_sendmsg(struct thread *td,
1122 struct freebsd32_sendmsg_args *uap)
1125 struct msghdr32 m32;
1127 struct mbuf *control = NULL;
1128 struct sockaddr *to = NULL;
1131 error = copyin(uap->msg, &m32, sizeof(m32));
1134 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1137 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
1142 if (msg.msg_name != NULL) {
1143 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen);
1151 if (msg.msg_control) {
1152 if (msg.msg_controllen < sizeof(struct cmsghdr)) {
1157 error = sockargs(&control, msg.msg_control,
1158 msg.msg_controllen, MT_CONTROL);
1162 error = freebsd32_convert_msg_in(&control);
1167 error = kern_sendit(td, uap->s, &msg, uap->flags, control,
1178 freebsd32_recvfrom(struct thread *td,
1179 struct freebsd32_recvfrom_args *uap)
1185 if (uap->fromlenaddr) {
1186 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen,
1187 sizeof(msg.msg_namelen));
1191 msg.msg_namelen = 0;
1194 msg.msg_name = PTRIN(uap->from);
1195 msg.msg_iov = &aiov;
1197 aiov.iov_base = PTRIN(uap->buf);
1198 aiov.iov_len = uap->len;
1199 msg.msg_control = NULL;
1200 msg.msg_flags = uap->flags;
1201 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL);
1202 if (error == 0 && uap->fromlenaddr)
1203 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr),
1204 sizeof (msg.msg_namelen));
1209 freebsd32_settimeofday(struct thread *td,
1210 struct freebsd32_settimeofday_args *uap)
1212 struct timeval32 tv32;
1213 struct timeval tv, *tvp;
1214 struct timezone tz, *tzp;
1218 error = copyin(uap->tv, &tv32, sizeof(tv32));
1221 CP(tv32, tv, tv_sec);
1222 CP(tv32, tv, tv_usec);
1227 error = copyin(uap->tzp, &tz, sizeof(tz));
1233 return (kern_settimeofday(td, tvp, tzp));
1237 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap)
1239 struct timeval32 s32[2];
1240 struct timeval s[2], *sp;
1243 if (uap->tptr != NULL) {
1244 error = copyin(uap->tptr, s32, sizeof(s32));
1247 CP(s32[0], s[0], tv_sec);
1248 CP(s32[0], s[0], tv_usec);
1249 CP(s32[1], s[1], tv_sec);
1250 CP(s32[1], s[1], tv_usec);
1254 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
1258 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap)
1260 struct timeval32 s32[2];
1261 struct timeval s[2], *sp;
1264 if (uap->tptr != NULL) {
1265 error = copyin(uap->tptr, s32, sizeof(s32));
1268 CP(s32[0], s[0], tv_sec);
1269 CP(s32[0], s[0], tv_usec);
1270 CP(s32[1], s[1], tv_sec);
1271 CP(s32[1], s[1], tv_usec);
1275 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
1279 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap)
1281 struct timeval32 s32[2];
1282 struct timeval s[2], *sp;
1285 if (uap->tptr != NULL) {
1286 error = copyin(uap->tptr, s32, sizeof(s32));
1289 CP(s32[0], s[0], tv_sec);
1290 CP(s32[0], s[0], tv_usec);
1291 CP(s32[1], s[1], tv_sec);
1292 CP(s32[1], s[1], tv_usec);
1296 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE));
1300 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap)
1302 struct timeval32 s32[2];
1303 struct timeval s[2], *sp;
1306 if (uap->times != NULL) {
1307 error = copyin(uap->times, s32, sizeof(s32));
1310 CP(s32[0], s[0], tv_sec);
1311 CP(s32[0], s[0], tv_usec);
1312 CP(s32[1], s[1], tv_sec);
1313 CP(s32[1], s[1], tv_usec);
1317 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE,
1322 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap)
1324 struct timeval32 tv32;
1325 struct timeval delta, olddelta, *deltap;
1329 error = copyin(uap->delta, &tv32, sizeof(tv32));
1332 CP(tv32, delta, tv_sec);
1333 CP(tv32, delta, tv_usec);
1337 error = kern_adjtime(td, deltap, &olddelta);
1338 if (uap->olddelta && error == 0) {
1339 CP(olddelta, tv32, tv_sec);
1340 CP(olddelta, tv32, tv_usec);
1341 error = copyout(&tv32, uap->olddelta, sizeof(tv32));
1346 #ifdef COMPAT_FREEBSD4
1348 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap)
1350 struct statfs32 s32;
1354 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s);
1357 copy_statfs(&s, &s32);
1358 return (copyout(&s32, uap->buf, sizeof(s32)));
1362 #ifdef COMPAT_FREEBSD4
1364 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap)
1366 struct statfs32 s32;
1370 error = kern_fstatfs(td, uap->fd, &s);
1373 copy_statfs(&s, &s32);
1374 return (copyout(&s32, uap->buf, sizeof(s32)));
1378 #ifdef COMPAT_FREEBSD4
1380 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap)
1382 struct statfs32 s32;
1387 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0)
1389 error = kern_fhstatfs(td, fh, &s);
1392 copy_statfs(&s, &s32);
1393 return (copyout(&s32, uap->buf, sizeof(s32)));
1398 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap)
1400 struct pread_args ap;
1404 ap.nbyte = uap->nbyte;
1405 ap.offset = PAIR32TO64(off_t,uap->offset);
1406 return (pread(td, &ap));
1410 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap)
1412 struct pwrite_args ap;
1416 ap.nbyte = uap->nbyte;
1417 ap.offset = PAIR32TO64(off_t,uap->offset);
1418 return (pwrite(td, &ap));
1422 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap)
1425 struct lseek_args ap;
1429 ap.offset = PAIR32TO64(off_t,uap->offset);
1430 ap.whence = uap->whence;
1431 error = lseek(td, &ap);
1432 /* Expand the quad return into two parts for eax and edx */
1433 pos = *(off_t *)(td->td_retval);
1434 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1435 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
1440 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap)
1442 struct truncate_args ap;
1444 ap.path = uap->path;
1445 ap.length = PAIR32TO64(off_t,uap->length);
1446 return (truncate(td, &ap));
1450 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap)
1452 struct ftruncate_args ap;
1455 ap.length = PAIR32TO64(off_t,uap->length);
1456 return (ftruncate(td, &ap));
1460 freebsd32_getdirentries(struct thread *td,
1461 struct freebsd32_getdirentries_args *uap)
1467 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base);
1470 if (uap->basep != NULL) {
1472 error = copyout(&base32, uap->basep, sizeof(int32_t));
1477 #ifdef COMPAT_FREEBSD6
1478 /* versions with the 'int pad' argument */
1480 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap)
1482 struct pread_args ap;
1486 ap.nbyte = uap->nbyte;
1487 ap.offset = PAIR32TO64(off_t,uap->offset);
1488 return (pread(td, &ap));
1492 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap)
1494 struct pwrite_args ap;
1498 ap.nbyte = uap->nbyte;
1499 ap.offset = PAIR32TO64(off_t,uap->offset);
1500 return (pwrite(td, &ap));
1504 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap)
1507 struct lseek_args ap;
1511 ap.offset = PAIR32TO64(off_t,uap->offset);
1512 ap.whence = uap->whence;
1513 error = lseek(td, &ap);
1514 /* Expand the quad return into two parts for eax and edx */
1515 pos = *(off_t *)(td->td_retval);
1516 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1517 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
1522 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap)
1524 struct truncate_args ap;
1526 ap.path = uap->path;
1527 ap.length = PAIR32TO64(off_t,uap->length);
1528 return (truncate(td, &ap));
1532 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap)
1534 struct ftruncate_args ap;
1537 ap.length = PAIR32TO64(off_t,uap->length);
1538 return (ftruncate(td, &ap));
1540 #endif /* COMPAT_FREEBSD6 */
1550 freebsd32_do_sendfile(struct thread *td,
1551 struct freebsd32_sendfile_args *uap, int compat)
1553 struct sendfile_args ap;
1554 struct sf_hdtr32 hdtr32;
1555 struct sf_hdtr hdtr;
1556 struct uio *hdr_uio, *trl_uio;
1557 struct iovec32 *iov32;
1560 hdr_uio = trl_uio = NULL;
1564 ap.offset = PAIR32TO64(off_t,uap->offset);
1565 ap.nbytes = uap->nbytes;
1566 ap.hdtr = (struct sf_hdtr *)uap->hdtr; /* XXX not used */
1567 ap.sbytes = uap->sbytes;
1568 ap.flags = uap->flags;
1570 if (uap->hdtr != NULL) {
1571 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32));
1574 PTRIN_CP(hdtr32, hdtr, headers);
1575 CP(hdtr32, hdtr, hdr_cnt);
1576 PTRIN_CP(hdtr32, hdtr, trailers);
1577 CP(hdtr32, hdtr, trl_cnt);
1579 if (hdtr.headers != NULL) {
1580 iov32 = PTRIN(hdtr32.headers);
1581 error = freebsd32_copyinuio(iov32,
1582 hdtr32.hdr_cnt, &hdr_uio);
1586 if (hdtr.trailers != NULL) {
1587 iov32 = PTRIN(hdtr32.trailers);
1588 error = freebsd32_copyinuio(iov32,
1589 hdtr32.trl_cnt, &trl_uio);
1595 error = kern_sendfile(td, &ap, hdr_uio, trl_uio, compat);
1598 free(hdr_uio, M_IOV);
1600 free(trl_uio, M_IOV);
1604 #ifdef COMPAT_FREEBSD4
1606 freebsd4_freebsd32_sendfile(struct thread *td,
1607 struct freebsd4_freebsd32_sendfile_args *uap)
1609 return (freebsd32_do_sendfile(td,
1610 (struct freebsd32_sendfile_args *)uap, 1));
1615 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap)
1618 return (freebsd32_do_sendfile(td, uap, 0));
1622 copy_stat(struct stat *in, struct stat32 *out)
1625 CP(*in, *out, st_dev);
1626 CP(*in, *out, st_ino);
1627 CP(*in, *out, st_mode);
1628 CP(*in, *out, st_nlink);
1629 CP(*in, *out, st_uid);
1630 CP(*in, *out, st_gid);
1631 CP(*in, *out, st_rdev);
1632 TS_CP(*in, *out, st_atimespec);
1633 TS_CP(*in, *out, st_mtimespec);
1634 TS_CP(*in, *out, st_ctimespec);
1635 CP(*in, *out, st_size);
1636 CP(*in, *out, st_blocks);
1637 CP(*in, *out, st_blksize);
1638 CP(*in, *out, st_flags);
1639 CP(*in, *out, st_gen);
1640 TS_CP(*in, *out, st_birthtimespec);
1644 freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap)
1650 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb);
1653 copy_stat(&sb, &sb32);
1654 error = copyout(&sb32, uap->ub, sizeof (sb32));
1659 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap)
1665 error = kern_fstat(td, uap->fd, &ub);
1668 copy_stat(&ub, &ub32);
1669 error = copyout(&ub32, uap->ub, sizeof(ub32));
1674 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap)
1680 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub);
1683 copy_stat(&ub, &ub32);
1684 error = copyout(&ub32, uap->buf, sizeof(ub32));
1689 freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap)
1695 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb);
1698 copy_stat(&sb, &sb32);
1699 error = copyout(&sb32, uap->ub, sizeof (sb32));
1707 freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap)
1709 int error, name[CTL_MAXNAME];
1712 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2)
1714 error = copyin(uap->name, name, uap->namelen * sizeof(int));
1718 oldlen = fuword32(uap->oldlenp);
1721 error = userland_sysctl(td, name, uap->namelen,
1722 uap->old, &oldlen, 1,
1723 uap->new, uap->newlen, &j, SCTL_MASK32);
1724 if (error && error != ENOMEM)
1727 suword32(uap->oldlenp, j);
1732 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap)
1738 error = copyin(uap->jail, &version, sizeof(uint32_t));
1745 /* FreeBSD single IPv4 jails. */
1746 struct jail32_v0 j32_v0;
1748 bzero(&j, sizeof(struct jail));
1749 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0));
1752 CP(j32_v0, j, version);
1753 PTRIN_CP(j32_v0, j, path);
1754 PTRIN_CP(j32_v0, j, hostname);
1755 j.ip4s = j32_v0.ip_number;
1761 * Version 1 was used by multi-IPv4 jail implementations
1762 * that never made it into the official kernel.
1766 case 2: /* JAIL_API_VERSION */
1768 /* FreeBSD multi-IPv4/IPv6,noIP jails. */
1771 error = copyin(uap->jail, &j32, sizeof(struct jail32));
1774 CP(j32, j, version);
1775 PTRIN_CP(j32, j, path);
1776 PTRIN_CP(j32, j, hostname);
1777 PTRIN_CP(j32, j, jailname);
1780 PTRIN_CP(j32, j, ip4);
1781 PTRIN_CP(j32, j, ip6);
1786 /* Sci-Fi jails are not supported, sorry. */
1789 return (kern_jail(td, &j));
1793 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap)
1798 /* Check that we have an even number of iovecs. */
1799 if (uap->iovcnt & 1)
1802 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1805 error = kern_jail_set(td, auio, uap->flags);
1811 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap)
1813 struct iovec32 iov32;
1817 /* Check that we have an even number of iovecs. */
1818 if (uap->iovcnt & 1)
1821 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1824 error = kern_jail_get(td, auio, uap->flags);
1826 for (i = 0; i < uap->iovcnt; i++) {
1827 PTROUT_CP(auio->uio_iov[i], iov32, iov_base);
1828 CP(auio->uio_iov[i], iov32, iov_len);
1829 error = copyout(&iov32, uap->iovp + i, sizeof(iov32));
1838 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap)
1840 struct sigaction32 s32;
1841 struct sigaction sa, osa, *sap;
1845 error = copyin(uap->act, &s32, sizeof(s32));
1848 sa.sa_handler = PTRIN(s32.sa_u);
1849 CP(s32, sa, sa_flags);
1850 CP(s32, sa, sa_mask);
1854 error = kern_sigaction(td, uap->sig, sap, &osa, 0);
1855 if (error == 0 && uap->oact != NULL) {
1856 s32.sa_u = PTROUT(osa.sa_handler);
1857 CP(osa, s32, sa_flags);
1858 CP(osa, s32, sa_mask);
1859 error = copyout(&s32, uap->oact, sizeof(s32));
1864 #ifdef COMPAT_FREEBSD4
1866 freebsd4_freebsd32_sigaction(struct thread *td,
1867 struct freebsd4_freebsd32_sigaction_args *uap)
1869 struct sigaction32 s32;
1870 struct sigaction sa, osa, *sap;
1874 error = copyin(uap->act, &s32, sizeof(s32));
1877 sa.sa_handler = PTRIN(s32.sa_u);
1878 CP(s32, sa, sa_flags);
1879 CP(s32, sa, sa_mask);
1883 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4);
1884 if (error == 0 && uap->oact != NULL) {
1885 s32.sa_u = PTROUT(osa.sa_handler);
1886 CP(osa, s32, sa_flags);
1887 CP(osa, s32, sa_mask);
1888 error = copyout(&s32, uap->oact, sizeof(s32));
1895 struct osigaction32 {
1904 ofreebsd32_sigaction(struct thread *td,
1905 struct ofreebsd32_sigaction_args *uap)
1907 struct osigaction32 s32;
1908 struct sigaction sa, osa, *sap;
1911 if (uap->signum <= 0 || uap->signum >= ONSIG)
1915 error = copyin(uap->nsa, &s32, sizeof(s32));
1918 sa.sa_handler = PTRIN(s32.sa_u);
1919 CP(s32, sa, sa_flags);
1920 OSIG2SIG(s32.sa_mask, sa.sa_mask);
1924 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
1925 if (error == 0 && uap->osa != NULL) {
1926 s32.sa_u = PTROUT(osa.sa_handler);
1927 CP(osa, s32, sa_flags);
1928 SIG2OSIG(osa.sa_mask, s32.sa_mask);
1929 error = copyout(&s32, uap->osa, sizeof(s32));
1935 ofreebsd32_sigprocmask(struct thread *td,
1936 struct ofreebsd32_sigprocmask_args *uap)
1941 OSIG2SIG(uap->mask, set);
1942 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD);
1943 SIG2OSIG(oset, td->td_retval[0]);
1948 ofreebsd32_sigpending(struct thread *td,
1949 struct ofreebsd32_sigpending_args *uap)
1951 struct proc *p = td->td_proc;
1955 siglist = p->p_siglist;
1956 SIGSETOR(siglist, td->td_siglist);
1958 SIG2OSIG(siglist, td->td_retval[0]);
1963 u_int32_t sv_handler;
1969 ofreebsd32_sigvec(struct thread *td,
1970 struct ofreebsd32_sigvec_args *uap)
1972 struct sigvec32 vec;
1973 struct sigaction sa, osa, *sap;
1976 if (uap->signum <= 0 || uap->signum >= ONSIG)
1980 error = copyin(uap->nsv, &vec, sizeof(vec));
1983 sa.sa_handler = PTRIN(vec.sv_handler);
1984 OSIG2SIG(vec.sv_mask, sa.sa_mask);
1985 sa.sa_flags = vec.sv_flags;
1986 sa.sa_flags ^= SA_RESTART;
1990 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
1991 if (error == 0 && uap->osv != NULL) {
1992 vec.sv_handler = PTROUT(osa.sa_handler);
1993 SIG2OSIG(osa.sa_mask, vec.sv_mask);
1994 vec.sv_flags = osa.sa_flags;
1995 vec.sv_flags &= ~SA_NOCLDWAIT;
1996 vec.sv_flags ^= SA_RESTART;
1997 error = copyout(&vec, uap->osv, sizeof(vec));
2003 ofreebsd32_sigblock(struct thread *td,
2004 struct ofreebsd32_sigblock_args *uap)
2008 OSIG2SIG(uap->mask, set);
2009 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0);
2010 SIG2OSIG(oset, td->td_retval[0]);
2015 ofreebsd32_sigsetmask(struct thread *td,
2016 struct ofreebsd32_sigsetmask_args *uap)
2020 OSIG2SIG(uap->mask, set);
2021 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0);
2022 SIG2OSIG(oset, td->td_retval[0]);
2027 ofreebsd32_sigsuspend(struct thread *td,
2028 struct ofreebsd32_sigsuspend_args *uap)
2032 OSIG2SIG(uap->mask, mask);
2033 return (kern_sigsuspend(td, mask));
2042 ofreebsd32_sigstack(struct thread *td,
2043 struct ofreebsd32_sigstack_args *uap)
2045 struct sigstack32 s32;
2046 struct sigstack nss, oss;
2047 int error = 0, unss;
2049 if (uap->nss != NULL) {
2050 error = copyin(uap->nss, &s32, sizeof(s32));
2053 nss.ss_sp = PTRIN(s32.ss_sp);
2054 CP(s32, nss, ss_onstack);
2059 oss.ss_sp = td->td_sigstk.ss_sp;
2060 oss.ss_onstack = sigonstack(cpu_getstack(td));
2062 td->td_sigstk.ss_sp = nss.ss_sp;
2063 td->td_sigstk.ss_size = 0;
2064 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK);
2065 td->td_pflags |= TDP_ALTSTACK;
2067 if (uap->oss != NULL) {
2068 s32.ss_sp = PTROUT(oss.ss_sp);
2069 CP(oss, s32, ss_onstack);
2070 error = copyout(&s32, uap->oss, sizeof(s32));
2077 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap)
2079 struct timespec32 rmt32, rqt32;
2080 struct timespec rmt, rqt;
2083 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32));
2087 CP(rqt32, rqt, tv_sec);
2088 CP(rqt32, rqt, tv_nsec);
2091 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE))
2093 error = kern_nanosleep(td, &rqt, &rmt);
2094 if (error && uap->rmtp) {
2097 CP(rmt, rmt32, tv_sec);
2098 CP(rmt, rmt32, tv_nsec);
2100 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32));
2108 freebsd32_clock_gettime(struct thread *td,
2109 struct freebsd32_clock_gettime_args *uap)
2111 struct timespec ats;
2112 struct timespec32 ats32;
2115 error = kern_clock_gettime(td, uap->clock_id, &ats);
2117 CP(ats, ats32, tv_sec);
2118 CP(ats, ats32, tv_nsec);
2119 error = copyout(&ats32, uap->tp, sizeof(ats32));
2125 freebsd32_clock_settime(struct thread *td,
2126 struct freebsd32_clock_settime_args *uap)
2128 struct timespec ats;
2129 struct timespec32 ats32;
2132 error = copyin(uap->tp, &ats32, sizeof(ats32));
2135 CP(ats32, ats, tv_sec);
2136 CP(ats32, ats, tv_nsec);
2138 return (kern_clock_settime(td, uap->clock_id, &ats));
2142 freebsd32_clock_getres(struct thread *td,
2143 struct freebsd32_clock_getres_args *uap)
2146 struct timespec32 ts32;
2149 if (uap->tp == NULL)
2151 error = kern_clock_getres(td, uap->clock_id, &ts);
2153 CP(ts, ts32, tv_sec);
2154 CP(ts, ts32, tv_nsec);
2155 error = copyout(&ts32, uap->tp, sizeof(ts32));
2161 freebsd32_thr_new(struct thread *td,
2162 struct freebsd32_thr_new_args *uap)
2164 struct thr_param32 param32;
2165 struct thr_param param;
2168 if (uap->param_size < 0 ||
2169 uap->param_size > sizeof(struct thr_param32))
2171 bzero(¶m, sizeof(struct thr_param));
2172 bzero(¶m32, sizeof(struct thr_param32));
2173 error = copyin(uap->param, ¶m32, uap->param_size);
2176 param.start_func = PTRIN(param32.start_func);
2177 param.arg = PTRIN(param32.arg);
2178 param.stack_base = PTRIN(param32.stack_base);
2179 param.stack_size = param32.stack_size;
2180 param.tls_base = PTRIN(param32.tls_base);
2181 param.tls_size = param32.tls_size;
2182 param.child_tid = PTRIN(param32.child_tid);
2183 param.parent_tid = PTRIN(param32.parent_tid);
2184 param.flags = param32.flags;
2185 param.rtp = PTRIN(param32.rtp);
2186 param.spare[0] = PTRIN(param32.spare[0]);
2187 param.spare[1] = PTRIN(param32.spare[1]);
2188 param.spare[2] = PTRIN(param32.spare[2]);
2190 return (kern_thr_new(td, ¶m));
2194 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap)
2196 struct timespec32 ts32;
2197 struct timespec ts, *tsp;
2202 if (uap->timeout != NULL) {
2203 error = copyin((const void *)uap->timeout, (void *)&ts32,
2204 sizeof(struct timespec32));
2207 ts.tv_sec = ts32.tv_sec;
2208 ts.tv_nsec = ts32.tv_nsec;
2211 return (kern_thr_suspend(td, tsp));
2215 siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst)
2217 bzero(dst, sizeof(*dst));
2218 dst->si_signo = src->si_signo;
2219 dst->si_errno = src->si_errno;
2220 dst->si_code = src->si_code;
2221 dst->si_pid = src->si_pid;
2222 dst->si_uid = src->si_uid;
2223 dst->si_status = src->si_status;
2224 dst->si_addr = (uintptr_t)src->si_addr;
2225 dst->si_value.sigval_int = src->si_value.sival_int;
2226 dst->si_timerid = src->si_timerid;
2227 dst->si_overrun = src->si_overrun;
2231 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap)
2233 struct timespec32 ts32;
2235 struct timespec *timeout;
2238 struct siginfo32 si32;
2242 error = copyin(uap->timeout, &ts32, sizeof(ts32));
2245 ts.tv_sec = ts32.tv_sec;
2246 ts.tv_nsec = ts32.tv_nsec;
2251 error = copyin(uap->set, &set, sizeof(set));
2255 error = kern_sigtimedwait(td, set, &ksi, timeout);
2260 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
2261 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
2265 td->td_retval[0] = ksi.ksi_signo;
2273 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap)
2276 struct siginfo32 si32;
2280 error = copyin(uap->set, &set, sizeof(set));
2284 error = kern_sigtimedwait(td, set, &ksi, NULL);
2289 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
2290 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
2293 td->td_retval[0] = ksi.ksi_signo;
2298 freebsd32_cpuset_setid(struct thread *td,
2299 struct freebsd32_cpuset_setid_args *uap)
2301 struct cpuset_setid_args ap;
2303 ap.which = uap->which;
2304 ap.id = PAIR32TO64(id_t,uap->id);
2305 ap.setid = uap->setid;
2307 return (cpuset_setid(td, &ap));
2311 freebsd32_cpuset_getid(struct thread *td,
2312 struct freebsd32_cpuset_getid_args *uap)
2314 struct cpuset_getid_args ap;
2316 ap.level = uap->level;
2317 ap.which = uap->which;
2318 ap.id = PAIR32TO64(id_t,uap->id);
2319 ap.setid = uap->setid;
2321 return (cpuset_getid(td, &ap));
2325 freebsd32_cpuset_getaffinity(struct thread *td,
2326 struct freebsd32_cpuset_getaffinity_args *uap)
2328 struct cpuset_getaffinity_args ap;
2330 ap.level = uap->level;
2331 ap.which = uap->which;
2332 ap.id = PAIR32TO64(id_t,uap->id);
2333 ap.cpusetsize = uap->cpusetsize;
2334 ap.mask = uap->mask;
2336 return (cpuset_getaffinity(td, &ap));
2340 freebsd32_cpuset_setaffinity(struct thread *td,
2341 struct freebsd32_cpuset_setaffinity_args *uap)
2343 struct cpuset_setaffinity_args ap;
2345 ap.level = uap->level;
2346 ap.which = uap->which;
2347 ap.id = PAIR32TO64(id_t,uap->id);
2348 ap.cpusetsize = uap->cpusetsize;
2349 ap.mask = uap->mask;
2351 return (cpuset_setaffinity(td, &ap));
2355 freebsd32_nmount(struct thread *td,
2356 struct freebsd32_nmount_args /* {
2358 unsigned int iovcnt;
2365 AUDIT_ARG_FFLAGS(uap->flags);
2368 * Filter out MNT_ROOTFS. We do not want clients of nmount() in
2369 * userspace to set this flag, but we must filter it out if we want
2370 * MNT_UPDATE on the root file system to work.
2371 * MNT_ROOTFS should only be set in the kernel in vfs_mountroot_try().
2373 uap->flags &= ~MNT_ROOTFS;
2376 * check that we have an even number of iovec's
2377 * and that we have at least two options.
2379 if ((uap->iovcnt & 1) || (uap->iovcnt < 4))
2382 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2385 error = vfs_donmount(td, uap->flags, auio);
2393 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap)
2395 struct yyy32 *p32, s32;
2396 struct yyy *p = NULL, s;
2401 error = copyin(uap->zzz, &s32, sizeof(s32));
2407 error = kern_xxx(td, p);
2412 error = copyout(&s32, p32, sizeof(s32));
2419 syscall32_register(int *offset, struct sysent *new_sysent,
2420 struct sysent *old_sysent)
2422 if (*offset == NO_SYSCALL) {
2425 for (i = 1; i < SYS_MAXSYSCALL; ++i)
2426 if (freebsd32_sysent[i].sy_call ==
2427 (sy_call_t *)lkmnosys)
2429 if (i == SYS_MAXSYSCALL)
2432 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL)
2434 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys &&
2435 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys)
2438 *old_sysent = freebsd32_sysent[*offset];
2439 freebsd32_sysent[*offset] = *new_sysent;
2444 syscall32_deregister(int *offset, struct sysent *old_sysent)
2448 freebsd32_sysent[*offset] = *old_sysent;
2453 syscall32_module_handler(struct module *mod, int what, void *arg)
2455 struct syscall_module_data *data = (struct syscall_module_data*)arg;
2461 error = syscall32_register(data->offset, data->new_sysent,
2464 /* Leave a mark so we know to safely unload below. */
2465 data->offset = NULL;
2468 ms.intval = *data->offset;
2470 module_setspecific(mod, &ms);
2473 error = data->chainevh(mod, what, data->chainarg);
2477 * MOD_LOAD failed, so just return without calling the
2478 * chained handler since we didn't pass along the MOD_LOAD
2481 if (data->offset == NULL)
2483 if (data->chainevh) {
2484 error = data->chainevh(mod, what, data->chainarg);
2488 error = syscall32_deregister(data->offset, &data->old_sysent);
2493 error = data->chainevh(mod, what, data->chainarg);
2499 syscall32_helper_register(struct syscall_helper_data *sd)
2501 struct syscall_helper_data *sd1;
2504 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) {
2505 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent,
2508 syscall32_helper_unregister(sd);
2511 sd1->registered = 1;
2517 syscall32_helper_unregister(struct syscall_helper_data *sd)
2519 struct syscall_helper_data *sd1;
2521 for (sd1 = sd; sd1->registered != 0; sd1++) {
2522 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent);
2523 sd1->registered = 0;
2529 freebsd32_copyout_strings(struct image_params *imgp)
2533 char *stringp, *destp;
2534 u_int32_t *stack_base;
2535 struct freebsd32_ps_strings *arginfo;
2536 size_t execpath_len;
2540 * Calculate string base and vector table pointers.
2541 * Also deal with signal trampoline code for this exec type.
2543 if (imgp->execpath != NULL && imgp->auxargs != NULL)
2544 execpath_len = strlen(imgp->execpath) + 1;
2547 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent->
2549 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode);
2550 destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE -
2551 roundup(execpath_len, sizeof(char *)) -
2552 roundup((ARG_MAX - imgp->args->stringspace), sizeof(char *));
2558 copyout(imgp->proc->p_sysent->sv_sigcode,
2559 ((caddr_t)arginfo - szsigcode), szsigcode);
2562 * Copy the image path for the rtld.
2564 if (execpath_len != 0) {
2565 imgp->execpathp = (uintptr_t)arginfo - szsigcode - execpath_len;
2566 copyout(imgp->execpath, (void *)imgp->execpathp,
2571 * If we have a valid auxargs ptr, prepare some room
2574 if (imgp->auxargs) {
2576 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for
2577 * lower compatibility.
2579 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size
2582 * The '+ 2' is for the null pointers at the end of each of
2583 * the arg and env vector sets,and imgp->auxarg_size is room
2584 * for argument of Runtime loader.
2586 vectp = (u_int32_t *) (destp - (imgp->args->argc +
2587 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) *
2591 * The '+ 2' is for the null pointers at the end of each of
2592 * the arg and env vector sets
2594 vectp = (u_int32_t *)
2595 (destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(u_int32_t));
2598 * vectp also becomes our initial stack base
2602 stringp = imgp->args->begin_argv;
2603 argc = imgp->args->argc;
2604 envc = imgp->args->envc;
2606 * Copy out strings - arguments and environment.
2608 copyout(stringp, destp, ARG_MAX - imgp->args->stringspace);
2611 * Fill in "ps_strings" struct for ps, w, etc.
2613 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp);
2614 suword32(&arginfo->ps_nargvstr, argc);
2617 * Fill in argument portion of vector table.
2619 for (; argc > 0; --argc) {
2620 suword32(vectp++, (u_int32_t)(intptr_t)destp);
2621 while (*stringp++ != 0)
2626 /* a null vector table pointer separates the argp's from the envp's */
2627 suword32(vectp++, 0);
2629 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp);
2630 suword32(&arginfo->ps_nenvstr, envc);
2633 * Fill in environment portion of vector table.
2635 for (; envc > 0; --envc) {
2636 suword32(vectp++, (u_int32_t)(intptr_t)destp);
2637 while (*stringp++ != 0)
2642 /* end of vector table is a null pointer */
2645 return ((register_t *)stack_base);