2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2002 Doug Rabson
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
33 #include "opt_inet6.h"
34 #include "opt_ktrace.h"
36 #define __ELF_WORD_SIZE 32
38 #ifdef COMPAT_FREEBSD11
39 #define _WANT_FREEBSD11_KEVENT
42 #include <sys/param.h>
44 #include <sys/capsicum.h>
45 #include <sys/clock.h>
47 #include <sys/fcntl.h>
48 #include <sys/filedesc.h>
49 #include <sys/imgact.h>
51 #include <sys/kernel.h>
52 #include <sys/limits.h>
53 #include <sys/linker.h>
55 #include <sys/malloc.h>
56 #include <sys/file.h> /* Must come after sys/malloc.h */
57 #include <sys/imgact.h>
60 #include <sys/module.h>
61 #include <sys/mount.h>
62 #include <sys/mutex.h>
63 #include <sys/namei.h>
65 #include <sys/procctl.h>
66 #include <sys/ptrace.h>
67 #include <sys/reboot.h>
68 #include <sys/resource.h>
69 #include <sys/resourcevar.h>
70 #include <sys/selinfo.h>
71 #include <sys/eventvar.h> /* Must come after sys/selinfo.h */
72 #include <sys/pipe.h> /* Must come after sys/selinfo.h */
73 #include <sys/signal.h>
74 #include <sys/signalvar.h>
75 #include <sys/socket.h>
76 #include <sys/socketvar.h>
78 #include <sys/syscall.h>
79 #include <sys/syscallsubr.h>
80 #include <sys/sysctl.h>
81 #include <sys/sysent.h>
82 #include <sys/sysproto.h>
83 #include <sys/systm.h>
85 #include <sys/unistd.h>
86 #include <sys/ucontext.h>
87 #include <sys/vnode.h>
94 #include <sys/ktrace.h>
98 #include <netinet/in.h>
102 #include <vm/vm_param.h>
104 #include <vm/vm_map.h>
105 #include <vm/vm_object.h>
106 #include <vm/vm_extern.h>
108 #include <machine/cpu.h>
109 #include <machine/elf.h>
111 #include <machine/md_var.h>
114 #include <security/audit/audit.h>
116 #include <compat/freebsd32/freebsd32_util.h>
117 #include <compat/freebsd32/freebsd32.h>
118 #include <compat/freebsd32/freebsd32_ipc.h>
119 #include <compat/freebsd32/freebsd32_misc.h>
120 #include <compat/freebsd32/freebsd32_signal.h>
121 #include <compat/freebsd32/freebsd32_proto.h>
123 FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD");
125 struct ptrace_io_desc32 {
132 struct ptrace_sc_ret32 {
133 uint32_t sr_retval[2];
137 struct ptrace_vm_entry32 {
151 CTASSERT(sizeof(struct timeval32) == 8);
152 CTASSERT(sizeof(struct timespec32) == 8);
153 CTASSERT(sizeof(struct itimerval32) == 16);
154 CTASSERT(sizeof(struct bintime32) == 12);
156 CTASSERT(sizeof(struct statfs32) == 256);
158 CTASSERT(sizeof(struct rusage32) == 72);
160 CTASSERT(sizeof(struct sigaltstack32) == 12);
162 CTASSERT(sizeof(struct kevent32) == 56);
164 CTASSERT(sizeof(struct kevent32) == 64);
166 CTASSERT(sizeof(struct iovec32) == 8);
167 CTASSERT(sizeof(struct msghdr32) == 28);
169 CTASSERT(sizeof(struct stat32) == 208);
170 CTASSERT(sizeof(struct freebsd11_stat32) == 96);
172 CTASSERT(sizeof(struct sigaction32) == 24);
174 static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count);
175 static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count);
176 static int freebsd32_user_clock_nanosleep(struct thread *td, clockid_t clock_id,
177 int flags, const struct timespec32 *ua_rqtp, struct timespec32 *ua_rmtp);
180 freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32)
183 TV_CP(*s, *s32, ru_utime);
184 TV_CP(*s, *s32, ru_stime);
185 CP(*s, *s32, ru_maxrss);
186 CP(*s, *s32, ru_ixrss);
187 CP(*s, *s32, ru_idrss);
188 CP(*s, *s32, ru_isrss);
189 CP(*s, *s32, ru_minflt);
190 CP(*s, *s32, ru_majflt);
191 CP(*s, *s32, ru_nswap);
192 CP(*s, *s32, ru_inblock);
193 CP(*s, *s32, ru_oublock);
194 CP(*s, *s32, ru_msgsnd);
195 CP(*s, *s32, ru_msgrcv);
196 CP(*s, *s32, ru_nsignals);
197 CP(*s, *s32, ru_nvcsw);
198 CP(*s, *s32, ru_nivcsw);
202 freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap)
205 struct rusage32 ru32;
206 struct rusage ru, *rup;
208 if (uap->rusage != NULL)
212 error = kern_wait(td, uap->pid, &status, uap->options, rup);
215 if (uap->status != NULL)
216 error = copyout(&status, uap->status, sizeof(status));
217 if (uap->rusage != NULL && error == 0) {
218 freebsd32_rusage_out(&ru, &ru32);
219 error = copyout(&ru32, uap->rusage, sizeof(ru32));
225 freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap)
227 struct wrusage32 wru32;
228 struct __wrusage wru, *wrup;
229 struct siginfo32 si32;
230 struct __siginfo si, *sip;
233 if (uap->wrusage != NULL)
237 if (uap->info != NULL) {
239 bzero(sip, sizeof(*sip));
242 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id),
243 &status, uap->options, wrup, sip);
246 if (uap->status != NULL)
247 error = copyout(&status, uap->status, sizeof(status));
248 if (uap->wrusage != NULL && error == 0) {
249 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self);
250 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children);
251 error = copyout(&wru32, uap->wrusage, sizeof(wru32));
253 if (uap->info != NULL && error == 0) {
254 siginfo_to_siginfo32 (&si, &si32);
255 error = copyout(&si32, uap->info, sizeof(si32));
260 #ifdef COMPAT_FREEBSD4
262 copy_statfs(struct statfs *in, struct statfs32 *out)
265 statfs_scale_blocks(in, INT32_MAX);
266 bzero(out, sizeof(*out));
267 CP(*in, *out, f_bsize);
268 out->f_iosize = MIN(in->f_iosize, INT32_MAX);
269 CP(*in, *out, f_blocks);
270 CP(*in, *out, f_bfree);
271 CP(*in, *out, f_bavail);
272 out->f_files = MIN(in->f_files, INT32_MAX);
273 out->f_ffree = MIN(in->f_ffree, INT32_MAX);
274 CP(*in, *out, f_fsid);
275 CP(*in, *out, f_owner);
276 CP(*in, *out, f_type);
277 CP(*in, *out, f_flags);
278 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX);
279 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX);
280 strlcpy(out->f_fstypename,
281 in->f_fstypename, MFSNAMELEN);
282 strlcpy(out->f_mntonname,
283 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN));
284 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX);
285 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX);
286 strlcpy(out->f_mntfromname,
287 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN));
291 #ifdef COMPAT_FREEBSD4
293 freebsd4_freebsd32_getfsstat(struct thread *td,
294 struct freebsd4_freebsd32_getfsstat_args *uap)
296 struct statfs *buf, *sp;
297 struct statfs32 stat32;
298 size_t count, size, copycount;
301 count = uap->bufsize / sizeof(struct statfs32);
302 size = count * sizeof(struct statfs);
303 error = kern_getfsstat(td, &buf, size, &count, UIO_SYSSPACE, uap->mode);
307 while (copycount > 0 && error == 0) {
308 copy_statfs(sp, &stat32);
309 error = copyout(&stat32, uap->buf, sizeof(stat32));
317 td->td_retval[0] = count;
322 #ifdef COMPAT_FREEBSD10
324 freebsd10_freebsd32_pipe(struct thread *td,
325 struct freebsd10_freebsd32_pipe_args *uap) {
327 return (freebsd10_pipe(td, (struct freebsd10_pipe_args*)uap));
332 freebsd32_sigaltstack(struct thread *td,
333 struct freebsd32_sigaltstack_args *uap)
335 struct sigaltstack32 s32;
336 struct sigaltstack ss, oss, *ssp;
339 if (uap->ss != NULL) {
340 error = copyin(uap->ss, &s32, sizeof(s32));
343 PTRIN_CP(s32, ss, ss_sp);
344 CP(s32, ss, ss_size);
345 CP(s32, ss, ss_flags);
349 error = kern_sigaltstack(td, ssp, &oss);
350 if (error == 0 && uap->oss != NULL) {
351 PTROUT_CP(oss, s32, ss_sp);
352 CP(oss, s32, ss_size);
353 CP(oss, s32, ss_flags);
354 error = copyout(&s32, uap->oss, sizeof(s32));
360 * Custom version of exec_copyin_args() so that we can translate
364 freebsd32_exec_copyin_args(struct image_args *args, const char *fname,
365 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv)
371 bzero(args, sizeof(*args));
376 * Allocate demand-paged memory for the file name, argument, and
377 * environment strings.
379 error = exec_alloc_args(args);
384 * Copy the file name.
386 error = exec_args_add_fname(args, fname, segflg);
391 * extract arguments first
395 error = copyin(p32++, &arg, sizeof(arg));
401 error = exec_args_add_arg(args, argp, UIO_USERSPACE);
407 * extract environment strings
412 error = copyin(p32++, &arg, sizeof(arg));
418 error = exec_args_add_env(args, envp, UIO_USERSPACE);
427 exec_free_args(args);
432 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap)
434 struct image_args eargs;
435 struct vmspace *oldvmspace;
438 error = pre_execve(td, &oldvmspace);
441 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE,
442 uap->argv, uap->envv);
444 error = kern_execve(td, &eargs, NULL);
445 post_execve(td, error, oldvmspace);
450 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap)
452 struct image_args eargs;
453 struct vmspace *oldvmspace;
456 error = pre_execve(td, &oldvmspace);
459 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE,
460 uap->argv, uap->envv);
463 error = kern_execve(td, &eargs, NULL);
465 post_execve(td, error, oldvmspace);
471 freebsd32_mknodat(struct thread *td, struct freebsd32_mknodat_args *uap)
474 return (kern_mknodat(td, uap->fd, uap->path, UIO_USERSPACE,
475 uap->mode, PAIR32TO64(dev_t, uap->dev)));
479 freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap)
484 #if defined(__amd64__)
485 if (i386_read_exec && (prot & PROT_READ) != 0)
488 return (kern_mprotect(td, (uintptr_t)PTRIN(uap->addr), uap->len,
493 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap)
498 #if defined(__amd64__)
499 if (i386_read_exec && (prot & PROT_READ))
503 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot,
504 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos)));
507 #ifdef COMPAT_FREEBSD6
509 freebsd6_freebsd32_mmap(struct thread *td,
510 struct freebsd6_freebsd32_mmap_args *uap)
515 #if defined(__amd64__)
516 if (i386_read_exec && (prot & PROT_READ))
520 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot,
521 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos)));
526 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap)
528 struct itimerval itv, oitv, *itvp;
529 struct itimerval32 i32;
532 if (uap->itv != NULL) {
533 error = copyin(uap->itv, &i32, sizeof(i32));
536 TV_CP(i32, itv, it_interval);
537 TV_CP(i32, itv, it_value);
541 error = kern_setitimer(td, uap->which, itvp, &oitv);
542 if (error || uap->oitv == NULL)
544 TV_CP(oitv, i32, it_interval);
545 TV_CP(oitv, i32, it_value);
546 return (copyout(&i32, uap->oitv, sizeof(i32)));
550 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap)
552 struct itimerval itv;
553 struct itimerval32 i32;
556 error = kern_getitimer(td, uap->which, &itv);
557 if (error || uap->itv == NULL)
559 TV_CP(itv, i32, it_interval);
560 TV_CP(itv, i32, it_value);
561 return (copyout(&i32, uap->itv, sizeof(i32)));
565 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap)
567 struct timeval32 tv32;
568 struct timeval tv, *tvp;
571 if (uap->tv != NULL) {
572 error = copyin(uap->tv, &tv32, sizeof(tv32));
575 CP(tv32, tv, tv_sec);
576 CP(tv32, tv, tv_usec);
581 * XXX Do pointers need PTRIN()?
583 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
584 sizeof(int32_t) * 8));
588 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap)
590 struct timespec32 ts32;
592 struct timeval tv, *tvp;
596 if (uap->ts != NULL) {
597 error = copyin(uap->ts, &ts32, sizeof(ts32));
600 CP(ts32, ts, tv_sec);
601 CP(ts32, ts, tv_nsec);
602 TIMESPEC_TO_TIMEVAL(&tv, &ts);
606 if (uap->sm != NULL) {
607 error = copyin(uap->sm, &set, sizeof(set));
614 * XXX Do pointers need PTRIN()?
616 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
617 uset, sizeof(int32_t) * 8);
622 * Copy 'count' items into the destination list pointed to by uap->eventlist.
625 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count)
627 struct freebsd32_kevent_args *uap;
628 struct kevent32 ks32[KQ_NEVENTS];
632 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
633 uap = (struct freebsd32_kevent_args *)arg;
635 for (i = 0; i < count; i++) {
636 CP(kevp[i], ks32[i], ident);
637 CP(kevp[i], ks32[i], filter);
638 CP(kevp[i], ks32[i], flags);
639 CP(kevp[i], ks32[i], fflags);
640 #if BYTE_ORDER == LITTLE_ENDIAN
641 ks32[i].data1 = kevp[i].data;
642 ks32[i].data2 = kevp[i].data >> 32;
644 ks32[i].data1 = kevp[i].data >> 32;
645 ks32[i].data2 = kevp[i].data;
647 PTROUT_CP(kevp[i], ks32[i], udata);
648 for (j = 0; j < nitems(kevp->ext); j++) {
650 #if BYTE_ORDER == LITTLE_ENDIAN
651 ks32[i].ext64[2 * j] = e;
652 ks32[i].ext64[2 * j + 1] = e >> 32;
654 ks32[i].ext64[2 * j] = e >> 32;
655 ks32[i].ext64[2 * j + 1] = e;
659 error = copyout(ks32, uap->eventlist, count * sizeof *ks32);
661 uap->eventlist += count;
666 * Copy 'count' items from the list pointed to by uap->changelist.
669 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count)
671 struct freebsd32_kevent_args *uap;
672 struct kevent32 ks32[KQ_NEVENTS];
676 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
677 uap = (struct freebsd32_kevent_args *)arg;
679 error = copyin(uap->changelist, ks32, count * sizeof *ks32);
682 uap->changelist += count;
684 for (i = 0; i < count; i++) {
685 CP(ks32[i], kevp[i], ident);
686 CP(ks32[i], kevp[i], filter);
687 CP(ks32[i], kevp[i], flags);
688 CP(ks32[i], kevp[i], fflags);
689 kevp[i].data = PAIR32TO64(uint64_t, ks32[i].data);
690 PTRIN_CP(ks32[i], kevp[i], udata);
691 for (j = 0; j < nitems(kevp->ext); j++) {
692 #if BYTE_ORDER == LITTLE_ENDIAN
693 e = ks32[i].ext64[2 * j + 1];
695 e += ks32[i].ext64[2 * j];
697 e = ks32[i].ext64[2 * j];
699 e += ks32[i].ext64[2 * j + 1];
709 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap)
711 struct timespec32 ts32;
712 struct timespec ts, *tsp;
713 struct kevent_copyops k_ops = {
715 .k_copyout = freebsd32_kevent_copyout,
716 .k_copyin = freebsd32_kevent_copyin,
719 struct kevent32 *eventlist = uap->eventlist;
724 error = copyin(uap->timeout, &ts32, sizeof(ts32));
727 CP(ts32, ts, tv_sec);
728 CP(ts32, ts, tv_nsec);
733 if (KTRPOINT(td, KTR_STRUCT_ARRAY))
734 ktrstructarray("kevent32", UIO_USERSPACE, uap->changelist,
735 uap->nchanges, sizeof(struct kevent32));
737 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents,
740 if (error == 0 && KTRPOINT(td, KTR_STRUCT_ARRAY))
741 ktrstructarray("kevent32", UIO_USERSPACE, eventlist,
742 td->td_retval[0], sizeof(struct kevent32));
747 #ifdef COMPAT_FREEBSD11
749 freebsd32_kevent11_copyout(void *arg, struct kevent *kevp, int count)
751 struct freebsd11_freebsd32_kevent_args *uap;
752 struct kevent32_freebsd11 ks32[KQ_NEVENTS];
755 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
756 uap = (struct freebsd11_freebsd32_kevent_args *)arg;
758 for (i = 0; i < count; i++) {
759 CP(kevp[i], ks32[i], ident);
760 CP(kevp[i], ks32[i], filter);
761 CP(kevp[i], ks32[i], flags);
762 CP(kevp[i], ks32[i], fflags);
763 CP(kevp[i], ks32[i], data);
764 PTROUT_CP(kevp[i], ks32[i], udata);
766 error = copyout(ks32, uap->eventlist, count * sizeof *ks32);
768 uap->eventlist += count;
773 * Copy 'count' items from the list pointed to by uap->changelist.
776 freebsd32_kevent11_copyin(void *arg, struct kevent *kevp, int count)
778 struct freebsd11_freebsd32_kevent_args *uap;
779 struct kevent32_freebsd11 ks32[KQ_NEVENTS];
782 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
783 uap = (struct freebsd11_freebsd32_kevent_args *)arg;
785 error = copyin(uap->changelist, ks32, count * sizeof *ks32);
788 uap->changelist += count;
790 for (i = 0; i < count; i++) {
791 CP(ks32[i], kevp[i], ident);
792 CP(ks32[i], kevp[i], filter);
793 CP(ks32[i], kevp[i], flags);
794 CP(ks32[i], kevp[i], fflags);
795 CP(ks32[i], kevp[i], data);
796 PTRIN_CP(ks32[i], kevp[i], udata);
797 for (j = 0; j < nitems(kevp->ext); j++)
805 freebsd11_freebsd32_kevent(struct thread *td,
806 struct freebsd11_freebsd32_kevent_args *uap)
808 struct timespec32 ts32;
809 struct timespec ts, *tsp;
810 struct kevent_copyops k_ops = {
812 .k_copyout = freebsd32_kevent11_copyout,
813 .k_copyin = freebsd32_kevent11_copyin,
816 struct kevent32_freebsd11 *eventlist = uap->eventlist;
821 error = copyin(uap->timeout, &ts32, sizeof(ts32));
824 CP(ts32, ts, tv_sec);
825 CP(ts32, ts, tv_nsec);
830 if (KTRPOINT(td, KTR_STRUCT_ARRAY))
831 ktrstructarray("kevent32_freebsd11", UIO_USERSPACE,
832 uap->changelist, uap->nchanges,
833 sizeof(struct kevent32_freebsd11));
835 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents,
838 if (error == 0 && KTRPOINT(td, KTR_STRUCT_ARRAY))
839 ktrstructarray("kevent32_freebsd11", UIO_USERSPACE,
840 eventlist, td->td_retval[0],
841 sizeof(struct kevent32_freebsd11));
848 freebsd32_gettimeofday(struct thread *td,
849 struct freebsd32_gettimeofday_args *uap)
852 struct timeval32 atv32;
858 CP(atv, atv32, tv_sec);
859 CP(atv, atv32, tv_usec);
860 error = copyout(&atv32, uap->tp, sizeof (atv32));
862 if (error == 0 && uap->tzp != NULL) {
863 rtz.tz_minuteswest = 0;
865 error = copyout(&rtz, uap->tzp, sizeof (rtz));
871 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap)
877 error = kern_getrusage(td, uap->who, &s);
879 freebsd32_rusage_out(&s, &s32);
880 error = copyout(&s32, uap->rusage, sizeof(s32));
886 ptrace_lwpinfo_to32(const struct ptrace_lwpinfo *pl,
887 struct ptrace_lwpinfo32 *pl32)
890 bzero(pl32, sizeof(*pl32));
891 pl32->pl_lwpid = pl->pl_lwpid;
892 pl32->pl_event = pl->pl_event;
893 pl32->pl_flags = pl->pl_flags;
894 pl32->pl_sigmask = pl->pl_sigmask;
895 pl32->pl_siglist = pl->pl_siglist;
896 siginfo_to_siginfo32(&pl->pl_siginfo, &pl32->pl_siginfo);
897 strcpy(pl32->pl_tdname, pl->pl_tdname);
898 pl32->pl_child_pid = pl->pl_child_pid;
899 pl32->pl_syscall_code = pl->pl_syscall_code;
900 pl32->pl_syscall_narg = pl->pl_syscall_narg;
904 ptrace_sc_ret_to32(const struct ptrace_sc_ret *psr,
905 struct ptrace_sc_ret32 *psr32)
908 bzero(psr32, sizeof(*psr32));
909 psr32->sr_retval[0] = psr->sr_retval[0];
910 psr32->sr_retval[1] = psr->sr_retval[1];
911 psr32->sr_error = psr->sr_error;
915 freebsd32_ptrace(struct thread *td, struct freebsd32_ptrace_args *uap)
918 struct ptrace_io_desc piod;
919 struct ptrace_lwpinfo pl;
920 struct ptrace_vm_entry pve;
921 struct dbreg32 dbreg;
922 struct fpreg32 fpreg;
924 register_t args[nitems(td->td_sa.args)];
925 struct ptrace_sc_ret psr;
929 struct ptrace_io_desc32 piod;
930 struct ptrace_lwpinfo32 pl;
931 struct ptrace_vm_entry32 pve;
932 uint32_t args[nitems(td->td_sa.args)];
933 struct ptrace_sc_ret32 psr;
936 int data, error = 0, i;
938 AUDIT_ARG_PID(uap->pid);
939 AUDIT_ARG_CMD(uap->req);
940 AUDIT_ARG_VALUE(uap->data);
944 case PT_GET_EVENT_MASK:
949 if (uap->data > sizeof(r32.pl))
953 * Pass size of native structure in 'data'. Truncate
954 * if necessary to avoid siginfo.
957 if (uap->data < offsetof(struct ptrace_lwpinfo32, pl_siginfo) +
958 sizeof(struct siginfo32))
959 data = offsetof(struct ptrace_lwpinfo, pl_siginfo);
962 bzero(&r.reg, sizeof(r.reg));
965 bzero(&r.fpreg, sizeof(r.fpreg));
968 bzero(&r.dbreg, sizeof(r.dbreg));
971 error = copyin(uap->addr, &r.reg, sizeof(r.reg));
974 error = copyin(uap->addr, &r.fpreg, sizeof(r.fpreg));
977 error = copyin(uap->addr, &r.dbreg, sizeof(r.dbreg));
979 case PT_SET_EVENT_MASK:
980 if (uap->data != sizeof(r.ptevents))
983 error = copyin(uap->addr, &r.ptevents, uap->data);
986 error = copyin(uap->addr, &r32.piod, sizeof(r32.piod));
989 CP(r32.piod, r.piod, piod_op);
990 PTRIN_CP(r32.piod, r.piod, piod_offs);
991 PTRIN_CP(r32.piod, r.piod, piod_addr);
992 CP(r32.piod, r.piod, piod_len);
995 error = copyin(uap->addr, &r32.pve, sizeof(r32.pve));
999 CP(r32.pve, r.pve, pve_entry);
1000 CP(r32.pve, r.pve, pve_timestamp);
1001 CP(r32.pve, r.pve, pve_start);
1002 CP(r32.pve, r.pve, pve_end);
1003 CP(r32.pve, r.pve, pve_offset);
1004 CP(r32.pve, r.pve, pve_prot);
1005 CP(r32.pve, r.pve, pve_pathlen);
1006 CP(r32.pve, r.pve, pve_fileid);
1007 CP(r32.pve, r.pve, pve_fsid);
1008 PTRIN_CP(r32.pve, r.pve, pve_path);
1017 error = kern_ptrace(td, uap->req, uap->pid, addr, data);
1023 CP(r.pve, r32.pve, pve_entry);
1024 CP(r.pve, r32.pve, pve_timestamp);
1025 CP(r.pve, r32.pve, pve_start);
1026 CP(r.pve, r32.pve, pve_end);
1027 CP(r.pve, r32.pve, pve_offset);
1028 CP(r.pve, r32.pve, pve_prot);
1029 CP(r.pve, r32.pve, pve_pathlen);
1030 CP(r.pve, r32.pve, pve_fileid);
1031 CP(r.pve, r32.pve, pve_fsid);
1032 error = copyout(&r32.pve, uap->addr, sizeof(r32.pve));
1035 CP(r.piod, r32.piod, piod_len);
1036 error = copyout(&r32.piod, uap->addr, sizeof(r32.piod));
1039 error = copyout(&r.reg, uap->addr, sizeof(r.reg));
1042 error = copyout(&r.fpreg, uap->addr, sizeof(r.fpreg));
1045 error = copyout(&r.dbreg, uap->addr, sizeof(r.dbreg));
1047 case PT_GET_EVENT_MASK:
1048 /* NB: The size in uap->data is validated in kern_ptrace(). */
1049 error = copyout(&r.ptevents, uap->addr, uap->data);
1052 ptrace_lwpinfo_to32(&r.pl, &r32.pl);
1053 error = copyout(&r32.pl, uap->addr, uap->data);
1055 case PT_GET_SC_ARGS:
1056 for (i = 0; i < nitems(r.args); i++)
1057 r32.args[i] = (uint32_t)r.args[i];
1058 error = copyout(r32.args, uap->addr, MIN(uap->data,
1062 ptrace_sc_ret_to32(&r.psr, &r32.psr);
1063 error = copyout(&r32.psr, uap->addr, MIN(uap->data,
1072 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop)
1074 struct iovec32 iov32;
1081 if (iovcnt > UIO_MAXIOV)
1083 iovlen = iovcnt * sizeof(struct iovec);
1084 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK);
1085 iov = (struct iovec *)(uio + 1);
1086 for (i = 0; i < iovcnt; i++) {
1087 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32));
1092 iov[i].iov_base = PTRIN(iov32.iov_base);
1093 iov[i].iov_len = iov32.iov_len;
1096 uio->uio_iovcnt = iovcnt;
1097 uio->uio_segflg = UIO_USERSPACE;
1098 uio->uio_offset = -1;
1100 for (i = 0; i < iovcnt; i++) {
1101 if (iov->iov_len > INT_MAX - uio->uio_resid) {
1105 uio->uio_resid += iov->iov_len;
1113 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap)
1118 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1121 error = kern_readv(td, uap->fd, auio);
1127 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap)
1132 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1135 error = kern_writev(td, uap->fd, auio);
1141 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap)
1146 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1149 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
1155 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap)
1160 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1163 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
1169 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp,
1172 struct iovec32 iov32;
1178 if (iovcnt > UIO_MAXIOV)
1180 iovlen = iovcnt * sizeof(struct iovec);
1181 iov = malloc(iovlen, M_IOV, M_WAITOK);
1182 for (i = 0; i < iovcnt; i++) {
1183 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32));
1188 iov[i].iov_base = PTRIN(iov32.iov_base);
1189 iov[i].iov_len = iov32.iov_len;
1196 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg)
1198 struct msghdr32 m32;
1201 error = copyin(msg32, &m32, sizeof(m32));
1204 msg->msg_name = PTRIN(m32.msg_name);
1205 msg->msg_namelen = m32.msg_namelen;
1206 msg->msg_iov = PTRIN(m32.msg_iov);
1207 msg->msg_iovlen = m32.msg_iovlen;
1208 msg->msg_control = PTRIN(m32.msg_control);
1209 msg->msg_controllen = m32.msg_controllen;
1210 msg->msg_flags = m32.msg_flags;
1215 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32)
1217 struct msghdr32 m32;
1220 m32.msg_name = PTROUT(msg->msg_name);
1221 m32.msg_namelen = msg->msg_namelen;
1222 m32.msg_iov = PTROUT(msg->msg_iov);
1223 m32.msg_iovlen = msg->msg_iovlen;
1224 m32.msg_control = PTROUT(msg->msg_control);
1225 m32.msg_controllen = msg->msg_controllen;
1226 m32.msg_flags = msg->msg_flags;
1227 error = copyout(&m32, msg32, sizeof(m32));
1232 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1)
1234 #define FREEBSD32_ALIGNBYTES (sizeof(long) - 1)
1236 #define FREEBSD32_ALIGN(p) \
1237 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES)
1238 #define FREEBSD32_CMSG_SPACE(l) \
1239 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l))
1241 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \
1242 FREEBSD32_ALIGN(sizeof(struct cmsghdr)))
1245 freebsd32_cmsg_convert(const struct cmsghdr *cm, void *data, socklen_t datalen)
1249 struct timespec32 ts;
1250 struct timeval32 tv;
1251 struct bintime32 bt;
1262 switch (cm->cmsg_level) {
1264 switch (cm->cmsg_type) {
1266 TV_CP(*in, tmp32, tv);
1267 copylen = sizeof(tmp32.tv);
1271 BT_CP(*in, tmp32, bt);
1272 copylen = sizeof(tmp32.bt);
1277 TS_CP(*in, tmp32, ts);
1278 copylen = sizeof(tmp32.ts);
1292 KASSERT((datalen >= copylen), ("corrupted cmsghdr"));
1294 bcopy(&tmp32, data, copylen);
1299 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control)
1303 socklen_t clen, datalen, datalen_out, oldclen;
1306 int len, maxlen, copylen;
1310 len = msg->msg_controllen;
1311 maxlen = msg->msg_controllen;
1312 msg->msg_controllen = 0;
1314 ctlbuf = msg->msg_control;
1315 for (m = control; m != NULL && len > 0; m = m->m_next) {
1316 cm = mtod(m, struct cmsghdr *);
1318 while (cm != NULL) {
1319 if (sizeof(struct cmsghdr) > clen ||
1320 cm->cmsg_len > clen) {
1325 data = CMSG_DATA(cm);
1326 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data;
1327 datalen_out = freebsd32_cmsg_convert(cm, data, datalen);
1330 * Copy out the message header. Preserve the native
1331 * message size in case we need to inspect the message
1334 copylen = sizeof(struct cmsghdr);
1335 if (len < copylen) {
1336 msg->msg_flags |= MSG_CTRUNC;
1337 m_dispose_extcontrolm(m);
1340 oldclen = cm->cmsg_len;
1341 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) +
1343 error = copyout(cm, ctlbuf, copylen);
1344 cm->cmsg_len = oldclen;
1348 ctlbuf += FREEBSD32_ALIGN(copylen);
1349 len -= FREEBSD32_ALIGN(copylen);
1351 copylen = datalen_out;
1352 if (len < copylen) {
1353 msg->msg_flags |= MSG_CTRUNC;
1354 m_dispose_extcontrolm(m);
1358 /* Copy out the message data. */
1359 error = copyout(data, ctlbuf, copylen);
1363 ctlbuf += FREEBSD32_ALIGN(copylen);
1364 len -= FREEBSD32_ALIGN(copylen);
1366 if (CMSG_SPACE(datalen) < clen) {
1367 clen -= CMSG_SPACE(datalen);
1368 cm = (struct cmsghdr *)
1369 ((caddr_t)cm + CMSG_SPACE(datalen));
1375 msg->msg_controllen +=
1376 FREEBSD32_CMSG_SPACE(datalen_out);
1379 if (len == 0 && m != NULL) {
1380 msg->msg_flags |= MSG_CTRUNC;
1381 m_dispose_extcontrolm(m);
1389 freebsd32_recvmsg(td, uap)
1391 struct freebsd32_recvmsg_args /* {
1393 struct msghdr32 *msg;
1398 struct msghdr32 m32;
1399 struct iovec *uiov, *iov;
1400 struct mbuf *control = NULL;
1401 struct mbuf **controlp;
1404 error = copyin(uap->msg, &m32, sizeof(m32));
1407 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1410 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
1414 msg.msg_flags = uap->flags;
1418 controlp = (msg.msg_control != NULL) ? &control : NULL;
1419 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp);
1423 if (control != NULL)
1424 error = freebsd32_copy_msg_out(&msg, control);
1426 msg.msg_controllen = 0;
1429 error = freebsd32_copyoutmsghdr(&msg, uap->msg);
1433 if (control != NULL) {
1435 m_dispose_extcontrolm(control);
1443 * Copy-in the array of control messages constructed using alignment
1444 * and padding suitable for a 32-bit environment and construct an
1445 * mbuf using alignment and padding suitable for a 64-bit kernel.
1446 * The alignment and padding are defined indirectly by CMSG_DATA(),
1447 * CMSG_SPACE() and CMSG_LEN().
1450 freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen)
1454 u_int idx, len, msglen;
1457 buflen = FREEBSD32_ALIGN(buflen);
1459 if (buflen > MCLBYTES)
1463 * Iterate over the buffer and get the length of each message
1464 * in there. This has 32-bit alignment and padding. Use it to
1465 * determine the length of these messages when using 64-bit
1466 * alignment and padding.
1470 while (idx < buflen) {
1471 error = copyin(buf + idx, &msglen, sizeof(msglen));
1474 if (msglen < sizeof(struct cmsghdr))
1476 msglen = FREEBSD32_ALIGN(msglen);
1477 if (idx + msglen > buflen)
1480 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) -
1481 FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1482 len += CMSG_ALIGN(msglen);
1488 m = m_get(M_WAITOK, MT_CONTROL);
1490 MCLGET(m, M_WAITOK);
1493 md = mtod(m, void *);
1494 while (buflen > 0) {
1495 error = copyin(buf, md, sizeof(struct cmsghdr));
1498 msglen = *(u_int *)md;
1499 msglen = FREEBSD32_ALIGN(msglen);
1501 /* Modify the message length to account for alignment. */
1502 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) -
1503 FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1505 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr));
1506 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1507 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1509 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1511 error = copyin(buf, md, msglen);
1514 md = (char *)md + CMSG_ALIGN(msglen);
1528 freebsd32_sendmsg(struct thread *td,
1529 struct freebsd32_sendmsg_args *uap)
1532 struct msghdr32 m32;
1534 struct mbuf *control = NULL;
1535 struct sockaddr *to = NULL;
1538 error = copyin(uap->msg, &m32, sizeof(m32));
1541 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1544 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
1549 if (msg.msg_name != NULL) {
1550 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen);
1558 if (msg.msg_control) {
1559 if (msg.msg_controllen < sizeof(struct cmsghdr)) {
1564 error = freebsd32_copyin_control(&control, msg.msg_control,
1565 msg.msg_controllen);
1569 msg.msg_control = NULL;
1570 msg.msg_controllen = 0;
1573 error = kern_sendit(td, uap->s, &msg, uap->flags, control,
1584 freebsd32_recvfrom(struct thread *td,
1585 struct freebsd32_recvfrom_args *uap)
1591 if (uap->fromlenaddr) {
1592 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen,
1593 sizeof(msg.msg_namelen));
1597 msg.msg_namelen = 0;
1600 msg.msg_name = PTRIN(uap->from);
1601 msg.msg_iov = &aiov;
1603 aiov.iov_base = PTRIN(uap->buf);
1604 aiov.iov_len = uap->len;
1605 msg.msg_control = NULL;
1606 msg.msg_flags = uap->flags;
1607 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL);
1608 if (error == 0 && uap->fromlenaddr)
1609 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr),
1610 sizeof (msg.msg_namelen));
1615 freebsd32_settimeofday(struct thread *td,
1616 struct freebsd32_settimeofday_args *uap)
1618 struct timeval32 tv32;
1619 struct timeval tv, *tvp;
1620 struct timezone tz, *tzp;
1624 error = copyin(uap->tv, &tv32, sizeof(tv32));
1627 CP(tv32, tv, tv_sec);
1628 CP(tv32, tv, tv_usec);
1633 error = copyin(uap->tzp, &tz, sizeof(tz));
1639 return (kern_settimeofday(td, tvp, tzp));
1643 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap)
1645 struct timeval32 s32[2];
1646 struct timeval s[2], *sp;
1649 if (uap->tptr != NULL) {
1650 error = copyin(uap->tptr, s32, sizeof(s32));
1653 CP(s32[0], s[0], tv_sec);
1654 CP(s32[0], s[0], tv_usec);
1655 CP(s32[1], s[1], tv_sec);
1656 CP(s32[1], s[1], tv_usec);
1660 return (kern_utimesat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
1665 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap)
1667 struct timeval32 s32[2];
1668 struct timeval s[2], *sp;
1671 if (uap->tptr != NULL) {
1672 error = copyin(uap->tptr, s32, sizeof(s32));
1675 CP(s32[0], s[0], tv_sec);
1676 CP(s32[0], s[0], tv_usec);
1677 CP(s32[1], s[1], tv_sec);
1678 CP(s32[1], s[1], tv_usec);
1682 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
1686 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap)
1688 struct timeval32 s32[2];
1689 struct timeval s[2], *sp;
1692 if (uap->tptr != NULL) {
1693 error = copyin(uap->tptr, s32, sizeof(s32));
1696 CP(s32[0], s[0], tv_sec);
1697 CP(s32[0], s[0], tv_usec);
1698 CP(s32[1], s[1], tv_sec);
1699 CP(s32[1], s[1], tv_usec);
1703 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE));
1707 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap)
1709 struct timeval32 s32[2];
1710 struct timeval s[2], *sp;
1713 if (uap->times != NULL) {
1714 error = copyin(uap->times, s32, sizeof(s32));
1717 CP(s32[0], s[0], tv_sec);
1718 CP(s32[0], s[0], tv_usec);
1719 CP(s32[1], s[1], tv_sec);
1720 CP(s32[1], s[1], tv_usec);
1724 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE,
1729 freebsd32_futimens(struct thread *td, struct freebsd32_futimens_args *uap)
1731 struct timespec32 ts32[2];
1732 struct timespec ts[2], *tsp;
1735 if (uap->times != NULL) {
1736 error = copyin(uap->times, ts32, sizeof(ts32));
1739 CP(ts32[0], ts[0], tv_sec);
1740 CP(ts32[0], ts[0], tv_nsec);
1741 CP(ts32[1], ts[1], tv_sec);
1742 CP(ts32[1], ts[1], tv_nsec);
1746 return (kern_futimens(td, uap->fd, tsp, UIO_SYSSPACE));
1750 freebsd32_utimensat(struct thread *td, struct freebsd32_utimensat_args *uap)
1752 struct timespec32 ts32[2];
1753 struct timespec ts[2], *tsp;
1756 if (uap->times != NULL) {
1757 error = copyin(uap->times, ts32, sizeof(ts32));
1760 CP(ts32[0], ts[0], tv_sec);
1761 CP(ts32[0], ts[0], tv_nsec);
1762 CP(ts32[1], ts[1], tv_sec);
1763 CP(ts32[1], ts[1], tv_nsec);
1767 return (kern_utimensat(td, uap->fd, uap->path, UIO_USERSPACE,
1768 tsp, UIO_SYSSPACE, uap->flag));
1772 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap)
1774 struct timeval32 tv32;
1775 struct timeval delta, olddelta, *deltap;
1779 error = copyin(uap->delta, &tv32, sizeof(tv32));
1782 CP(tv32, delta, tv_sec);
1783 CP(tv32, delta, tv_usec);
1787 error = kern_adjtime(td, deltap, &olddelta);
1788 if (uap->olddelta && error == 0) {
1789 CP(olddelta, tv32, tv_sec);
1790 CP(olddelta, tv32, tv_usec);
1791 error = copyout(&tv32, uap->olddelta, sizeof(tv32));
1796 #ifdef COMPAT_FREEBSD4
1798 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap)
1800 struct statfs32 s32;
1804 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
1805 error = kern_statfs(td, uap->path, UIO_USERSPACE, sp);
1807 copy_statfs(sp, &s32);
1808 error = copyout(&s32, uap->buf, sizeof(s32));
1815 #ifdef COMPAT_FREEBSD4
1817 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap)
1819 struct statfs32 s32;
1823 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
1824 error = kern_fstatfs(td, uap->fd, sp);
1826 copy_statfs(sp, &s32);
1827 error = copyout(&s32, uap->buf, sizeof(s32));
1834 #ifdef COMPAT_FREEBSD4
1836 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap)
1838 struct statfs32 s32;
1843 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0)
1845 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
1846 error = kern_fhstatfs(td, fh, sp);
1848 copy_statfs(sp, &s32);
1849 error = copyout(&s32, uap->buf, sizeof(s32));
1857 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap)
1860 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte,
1861 PAIR32TO64(off_t, uap->offset)));
1865 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap)
1868 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte,
1869 PAIR32TO64(off_t, uap->offset)));
1874 ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap)
1877 return (kern_lseek(td, uap->fd, uap->offset, uap->whence));
1882 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap)
1887 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset),
1889 /* Expand the quad return into two parts for eax and edx */
1890 pos = td->td_uretoff.tdu_off;
1891 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1892 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
1897 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap)
1900 return (kern_truncate(td, uap->path, UIO_USERSPACE,
1901 PAIR32TO64(off_t, uap->length)));
1905 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap)
1908 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length)));
1913 ofreebsd32_getdirentries(struct thread *td,
1914 struct ofreebsd32_getdirentries_args *uap)
1916 struct ogetdirentries_args ap;
1923 ap.count = uap->count;
1925 error = kern_ogetdirentries(td, &ap, &loff);
1928 error = copyout(&loff_cut, uap->basep, sizeof(int32_t));
1934 #if defined(COMPAT_FREEBSD11)
1936 freebsd11_freebsd32_getdirentries(struct thread *td,
1937 struct freebsd11_freebsd32_getdirentries_args *uap)
1943 error = freebsd11_kern_getdirentries(td, uap->fd, uap->buf, uap->count,
1947 if (uap->basep != NULL) {
1949 error = copyout(&base32, uap->basep, sizeof(int32_t));
1955 freebsd11_freebsd32_getdents(struct thread *td,
1956 struct freebsd11_freebsd32_getdents_args *uap)
1958 struct freebsd11_freebsd32_getdirentries_args ap;
1962 ap.count = uap->count;
1964 return (freebsd11_freebsd32_getdirentries(td, &ap));
1966 #endif /* COMPAT_FREEBSD11 */
1968 #ifdef COMPAT_FREEBSD6
1969 /* versions with the 'int pad' argument */
1971 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap)
1974 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte,
1975 PAIR32TO64(off_t, uap->offset)));
1979 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap)
1982 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte,
1983 PAIR32TO64(off_t, uap->offset)));
1987 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap)
1992 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset),
1994 /* Expand the quad return into two parts for eax and edx */
1995 pos = *(off_t *)(td->td_retval);
1996 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1997 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
2002 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap)
2005 return (kern_truncate(td, uap->path, UIO_USERSPACE,
2006 PAIR32TO64(off_t, uap->length)));
2010 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap)
2013 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length)));
2015 #endif /* COMPAT_FREEBSD6 */
2025 freebsd32_do_sendfile(struct thread *td,
2026 struct freebsd32_sendfile_args *uap, int compat)
2028 struct sf_hdtr32 hdtr32;
2029 struct sf_hdtr hdtr;
2030 struct uio *hdr_uio, *trl_uio;
2032 cap_rights_t rights;
2033 struct iovec32 *iov32;
2034 off_t offset, sbytes;
2037 offset = PAIR32TO64(off_t, uap->offset);
2041 hdr_uio = trl_uio = NULL;
2043 if (uap->hdtr != NULL) {
2044 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32));
2047 PTRIN_CP(hdtr32, hdtr, headers);
2048 CP(hdtr32, hdtr, hdr_cnt);
2049 PTRIN_CP(hdtr32, hdtr, trailers);
2050 CP(hdtr32, hdtr, trl_cnt);
2052 if (hdtr.headers != NULL) {
2053 iov32 = PTRIN(hdtr32.headers);
2054 error = freebsd32_copyinuio(iov32,
2055 hdtr32.hdr_cnt, &hdr_uio);
2058 #ifdef COMPAT_FREEBSD4
2060 * In FreeBSD < 5.0 the nbytes to send also included
2061 * the header. If compat is specified subtract the
2062 * header size from nbytes.
2065 if (uap->nbytes > hdr_uio->uio_resid)
2066 uap->nbytes -= hdr_uio->uio_resid;
2072 if (hdtr.trailers != NULL) {
2073 iov32 = PTRIN(hdtr32.trailers);
2074 error = freebsd32_copyinuio(iov32,
2075 hdtr32.trl_cnt, &trl_uio);
2081 AUDIT_ARG_FD(uap->fd);
2083 if ((error = fget_read(td, uap->fd,
2084 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0)
2087 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset,
2088 uap->nbytes, &sbytes, uap->flags, td);
2091 if (uap->sbytes != NULL)
2092 copyout(&sbytes, uap->sbytes, sizeof(off_t));
2096 free(hdr_uio, M_IOV);
2098 free(trl_uio, M_IOV);
2102 #ifdef COMPAT_FREEBSD4
2104 freebsd4_freebsd32_sendfile(struct thread *td,
2105 struct freebsd4_freebsd32_sendfile_args *uap)
2107 return (freebsd32_do_sendfile(td,
2108 (struct freebsd32_sendfile_args *)uap, 1));
2113 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap)
2116 return (freebsd32_do_sendfile(td, uap, 0));
2120 copy_stat(struct stat *in, struct stat32 *out)
2123 CP(*in, *out, st_dev);
2124 CP(*in, *out, st_ino);
2125 CP(*in, *out, st_mode);
2126 CP(*in, *out, st_nlink);
2127 CP(*in, *out, st_uid);
2128 CP(*in, *out, st_gid);
2129 CP(*in, *out, st_rdev);
2130 TS_CP(*in, *out, st_atim);
2131 TS_CP(*in, *out, st_mtim);
2132 TS_CP(*in, *out, st_ctim);
2133 CP(*in, *out, st_size);
2134 CP(*in, *out, st_blocks);
2135 CP(*in, *out, st_blksize);
2136 CP(*in, *out, st_flags);
2137 CP(*in, *out, st_gen);
2138 TS_CP(*in, *out, st_birthtim);
2139 out->st_padding0 = 0;
2140 out->st_padding1 = 0;
2141 #ifdef __STAT32_TIME_T_EXT
2142 out->st_atim_ext = 0;
2143 out->st_mtim_ext = 0;
2144 out->st_ctim_ext = 0;
2145 out->st_btim_ext = 0;
2147 bzero(out->st_spare, sizeof(out->st_spare));
2152 copy_ostat(struct stat *in, struct ostat32 *out)
2155 bzero(out, sizeof(*out));
2156 CP(*in, *out, st_dev);
2157 CP(*in, *out, st_ino);
2158 CP(*in, *out, st_mode);
2159 CP(*in, *out, st_nlink);
2160 CP(*in, *out, st_uid);
2161 CP(*in, *out, st_gid);
2162 CP(*in, *out, st_rdev);
2163 out->st_size = MIN(in->st_size, INT32_MAX);
2164 TS_CP(*in, *out, st_atim);
2165 TS_CP(*in, *out, st_mtim);
2166 TS_CP(*in, *out, st_ctim);
2167 CP(*in, *out, st_blksize);
2168 CP(*in, *out, st_blocks);
2169 CP(*in, *out, st_flags);
2170 CP(*in, *out, st_gen);
2176 ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap)
2179 struct ostat32 sb32;
2182 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE,
2186 copy_ostat(&sb, &sb32);
2187 error = copyout(&sb32, uap->ub, sizeof (sb32));
2193 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap)
2199 error = kern_fstat(td, uap->fd, &ub);
2202 copy_stat(&ub, &ub32);
2203 error = copyout(&ub32, uap->ub, sizeof(ub32));
2209 ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap)
2212 struct ostat32 ub32;
2215 error = kern_fstat(td, uap->fd, &ub);
2218 copy_ostat(&ub, &ub32);
2219 error = copyout(&ub32, uap->ub, sizeof(ub32));
2225 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap)
2231 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE,
2235 copy_stat(&ub, &ub32);
2236 error = copyout(&ub32, uap->buf, sizeof(ub32));
2242 ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap)
2245 struct ostat32 sb32;
2248 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path,
2249 UIO_USERSPACE, &sb, NULL);
2252 copy_ostat(&sb, &sb32);
2253 error = copyout(&sb32, uap->ub, sizeof (sb32));
2259 freebsd32_fhstat(struct thread *td, struct freebsd32_fhstat_args *uap)
2266 error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t));
2269 error = kern_fhstat(td, fh, &sb);
2272 copy_stat(&sb, &sb32);
2273 error = copyout(&sb32, uap->sb, sizeof (sb32));
2277 #if defined(COMPAT_FREEBSD11)
2278 extern int ino64_trunc_error;
2281 freebsd11_cvtstat32(struct stat *in, struct freebsd11_stat32 *out)
2284 CP(*in, *out, st_ino);
2285 if (in->st_ino != out->st_ino) {
2286 switch (ino64_trunc_error) {
2293 out->st_ino = UINT32_MAX;
2297 CP(*in, *out, st_nlink);
2298 if (in->st_nlink != out->st_nlink) {
2299 switch (ino64_trunc_error) {
2306 out->st_nlink = UINT16_MAX;
2310 out->st_dev = in->st_dev;
2311 if (out->st_dev != in->st_dev) {
2312 switch (ino64_trunc_error) {
2319 CP(*in, *out, st_mode);
2320 CP(*in, *out, st_uid);
2321 CP(*in, *out, st_gid);
2322 out->st_rdev = in->st_rdev;
2323 if (out->st_rdev != in->st_rdev) {
2324 switch (ino64_trunc_error) {
2331 TS_CP(*in, *out, st_atim);
2332 TS_CP(*in, *out, st_mtim);
2333 TS_CP(*in, *out, st_ctim);
2334 CP(*in, *out, st_size);
2335 CP(*in, *out, st_blocks);
2336 CP(*in, *out, st_blksize);
2337 CP(*in, *out, st_flags);
2338 CP(*in, *out, st_gen);
2339 TS_CP(*in, *out, st_birthtim);
2341 bzero((char *)&out->st_birthtim + sizeof(out->st_birthtim),
2342 sizeof(*out) - offsetof(struct freebsd11_stat32,
2343 st_birthtim) - sizeof(out->st_birthtim));
2348 freebsd11_freebsd32_stat(struct thread *td,
2349 struct freebsd11_freebsd32_stat_args *uap)
2352 struct freebsd11_stat32 sb32;
2355 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE,
2359 error = freebsd11_cvtstat32(&sb, &sb32);
2361 error = copyout(&sb32, uap->ub, sizeof (sb32));
2366 freebsd11_freebsd32_fstat(struct thread *td,
2367 struct freebsd11_freebsd32_fstat_args *uap)
2370 struct freebsd11_stat32 sb32;
2373 error = kern_fstat(td, uap->fd, &sb);
2376 error = freebsd11_cvtstat32(&sb, &sb32);
2378 error = copyout(&sb32, uap->ub, sizeof (sb32));
2383 freebsd11_freebsd32_fstatat(struct thread *td,
2384 struct freebsd11_freebsd32_fstatat_args *uap)
2387 struct freebsd11_stat32 sb32;
2390 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE,
2394 error = freebsd11_cvtstat32(&sb, &sb32);
2396 error = copyout(&sb32, uap->buf, sizeof (sb32));
2401 freebsd11_freebsd32_lstat(struct thread *td,
2402 struct freebsd11_freebsd32_lstat_args *uap)
2405 struct freebsd11_stat32 sb32;
2408 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path,
2409 UIO_USERSPACE, &sb, NULL);
2412 error = freebsd11_cvtstat32(&sb, &sb32);
2414 error = copyout(&sb32, uap->ub, sizeof (sb32));
2419 freebsd11_freebsd32_fhstat(struct thread *td,
2420 struct freebsd11_freebsd32_fhstat_args *uap)
2423 struct freebsd11_stat32 sb32;
2427 error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t));
2430 error = kern_fhstat(td, fh, &sb);
2433 error = freebsd11_cvtstat32(&sb, &sb32);
2435 error = copyout(&sb32, uap->sb, sizeof (sb32));
2441 freebsd32___sysctl(struct thread *td, struct freebsd32___sysctl_args *uap)
2443 int error, name[CTL_MAXNAME];
2447 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2)
2449 error = copyin(uap->name, name, uap->namelen * sizeof(int));
2453 error = fueword32(uap->oldlenp, &tmp);
2460 error = userland_sysctl(td, name, uap->namelen,
2461 uap->old, &oldlen, 1,
2462 uap->new, uap->newlen, &j, SCTL_MASK32);
2466 suword32(uap->oldlenp, j);
2471 freebsd32___sysctlbyname(struct thread *td,
2472 struct freebsd32___sysctlbyname_args *uap)
2478 if (uap->oldlenp != NULL) {
2479 error = fueword32(uap->oldlenp, &tmp);
2486 error = kern___sysctlbyname(td, uap->name, uap->namelen, uap->old,
2487 &oldlen, uap->new, uap->newlen, &rv, SCTL_MASK32, 1);
2490 if (uap->oldlenp != NULL)
2491 error = suword32(uap->oldlenp, rv);
2497 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap)
2503 error = copyin(uap->jail, &version, sizeof(uint32_t));
2510 /* FreeBSD single IPv4 jails. */
2511 struct jail32_v0 j32_v0;
2513 bzero(&j, sizeof(struct jail));
2514 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0));
2517 CP(j32_v0, j, version);
2518 PTRIN_CP(j32_v0, j, path);
2519 PTRIN_CP(j32_v0, j, hostname);
2520 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */
2526 * Version 1 was used by multi-IPv4 jail implementations
2527 * that never made it into the official kernel.
2531 case 2: /* JAIL_API_VERSION */
2533 /* FreeBSD multi-IPv4/IPv6,noIP jails. */
2536 error = copyin(uap->jail, &j32, sizeof(struct jail32));
2539 CP(j32, j, version);
2540 PTRIN_CP(j32, j, path);
2541 PTRIN_CP(j32, j, hostname);
2542 PTRIN_CP(j32, j, jailname);
2545 PTRIN_CP(j32, j, ip4);
2546 PTRIN_CP(j32, j, ip6);
2551 /* Sci-Fi jails are not supported, sorry. */
2554 return (kern_jail(td, &j));
2558 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap)
2563 /* Check that we have an even number of iovecs. */
2564 if (uap->iovcnt & 1)
2567 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2570 error = kern_jail_set(td, auio, uap->flags);
2576 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap)
2578 struct iovec32 iov32;
2582 /* Check that we have an even number of iovecs. */
2583 if (uap->iovcnt & 1)
2586 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2589 error = kern_jail_get(td, auio, uap->flags);
2591 for (i = 0; i < uap->iovcnt; i++) {
2592 PTROUT_CP(auio->uio_iov[i], iov32, iov_base);
2593 CP(auio->uio_iov[i], iov32, iov_len);
2594 error = copyout(&iov32, uap->iovp + i, sizeof(iov32));
2603 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap)
2605 struct sigaction32 s32;
2606 struct sigaction sa, osa, *sap;
2610 error = copyin(uap->act, &s32, sizeof(s32));
2613 sa.sa_handler = PTRIN(s32.sa_u);
2614 CP(s32, sa, sa_flags);
2615 CP(s32, sa, sa_mask);
2619 error = kern_sigaction(td, uap->sig, sap, &osa, 0);
2620 if (error == 0 && uap->oact != NULL) {
2621 s32.sa_u = PTROUT(osa.sa_handler);
2622 CP(osa, s32, sa_flags);
2623 CP(osa, s32, sa_mask);
2624 error = copyout(&s32, uap->oact, sizeof(s32));
2629 #ifdef COMPAT_FREEBSD4
2631 freebsd4_freebsd32_sigaction(struct thread *td,
2632 struct freebsd4_freebsd32_sigaction_args *uap)
2634 struct sigaction32 s32;
2635 struct sigaction sa, osa, *sap;
2639 error = copyin(uap->act, &s32, sizeof(s32));
2642 sa.sa_handler = PTRIN(s32.sa_u);
2643 CP(s32, sa, sa_flags);
2644 CP(s32, sa, sa_mask);
2648 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4);
2649 if (error == 0 && uap->oact != NULL) {
2650 s32.sa_u = PTROUT(osa.sa_handler);
2651 CP(osa, s32, sa_flags);
2652 CP(osa, s32, sa_mask);
2653 error = copyout(&s32, uap->oact, sizeof(s32));
2660 struct osigaction32 {
2669 ofreebsd32_sigaction(struct thread *td,
2670 struct ofreebsd32_sigaction_args *uap)
2672 struct osigaction32 s32;
2673 struct sigaction sa, osa, *sap;
2676 if (uap->signum <= 0 || uap->signum >= ONSIG)
2680 error = copyin(uap->nsa, &s32, sizeof(s32));
2683 sa.sa_handler = PTRIN(s32.sa_u);
2684 CP(s32, sa, sa_flags);
2685 OSIG2SIG(s32.sa_mask, sa.sa_mask);
2689 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2690 if (error == 0 && uap->osa != NULL) {
2691 s32.sa_u = PTROUT(osa.sa_handler);
2692 CP(osa, s32, sa_flags);
2693 SIG2OSIG(osa.sa_mask, s32.sa_mask);
2694 error = copyout(&s32, uap->osa, sizeof(s32));
2700 ofreebsd32_sigprocmask(struct thread *td,
2701 struct ofreebsd32_sigprocmask_args *uap)
2706 OSIG2SIG(uap->mask, set);
2707 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD);
2708 SIG2OSIG(oset, td->td_retval[0]);
2713 ofreebsd32_sigpending(struct thread *td,
2714 struct ofreebsd32_sigpending_args *uap)
2716 struct proc *p = td->td_proc;
2720 siglist = p->p_siglist;
2721 SIGSETOR(siglist, td->td_siglist);
2723 SIG2OSIG(siglist, td->td_retval[0]);
2728 u_int32_t sv_handler;
2734 ofreebsd32_sigvec(struct thread *td,
2735 struct ofreebsd32_sigvec_args *uap)
2737 struct sigvec32 vec;
2738 struct sigaction sa, osa, *sap;
2741 if (uap->signum <= 0 || uap->signum >= ONSIG)
2745 error = copyin(uap->nsv, &vec, sizeof(vec));
2748 sa.sa_handler = PTRIN(vec.sv_handler);
2749 OSIG2SIG(vec.sv_mask, sa.sa_mask);
2750 sa.sa_flags = vec.sv_flags;
2751 sa.sa_flags ^= SA_RESTART;
2755 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2756 if (error == 0 && uap->osv != NULL) {
2757 vec.sv_handler = PTROUT(osa.sa_handler);
2758 SIG2OSIG(osa.sa_mask, vec.sv_mask);
2759 vec.sv_flags = osa.sa_flags;
2760 vec.sv_flags &= ~SA_NOCLDWAIT;
2761 vec.sv_flags ^= SA_RESTART;
2762 error = copyout(&vec, uap->osv, sizeof(vec));
2768 ofreebsd32_sigblock(struct thread *td,
2769 struct ofreebsd32_sigblock_args *uap)
2773 OSIG2SIG(uap->mask, set);
2774 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0);
2775 SIG2OSIG(oset, td->td_retval[0]);
2780 ofreebsd32_sigsetmask(struct thread *td,
2781 struct ofreebsd32_sigsetmask_args *uap)
2785 OSIG2SIG(uap->mask, set);
2786 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0);
2787 SIG2OSIG(oset, td->td_retval[0]);
2792 ofreebsd32_sigsuspend(struct thread *td,
2793 struct ofreebsd32_sigsuspend_args *uap)
2797 OSIG2SIG(uap->mask, mask);
2798 return (kern_sigsuspend(td, mask));
2807 ofreebsd32_sigstack(struct thread *td,
2808 struct ofreebsd32_sigstack_args *uap)
2810 struct sigstack32 s32;
2811 struct sigstack nss, oss;
2812 int error = 0, unss;
2814 if (uap->nss != NULL) {
2815 error = copyin(uap->nss, &s32, sizeof(s32));
2818 nss.ss_sp = PTRIN(s32.ss_sp);
2819 CP(s32, nss, ss_onstack);
2824 oss.ss_sp = td->td_sigstk.ss_sp;
2825 oss.ss_onstack = sigonstack(cpu_getstack(td));
2827 td->td_sigstk.ss_sp = nss.ss_sp;
2828 td->td_sigstk.ss_size = 0;
2829 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK);
2830 td->td_pflags |= TDP_ALTSTACK;
2832 if (uap->oss != NULL) {
2833 s32.ss_sp = PTROUT(oss.ss_sp);
2834 CP(oss, s32, ss_onstack);
2835 error = copyout(&s32, uap->oss, sizeof(s32));
2842 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap)
2845 return (freebsd32_user_clock_nanosleep(td, CLOCK_REALTIME,
2846 TIMER_RELTIME, uap->rqtp, uap->rmtp));
2850 freebsd32_clock_nanosleep(struct thread *td,
2851 struct freebsd32_clock_nanosleep_args *uap)
2855 error = freebsd32_user_clock_nanosleep(td, uap->clock_id, uap->flags,
2856 uap->rqtp, uap->rmtp);
2857 return (kern_posix_error(td, error));
2861 freebsd32_user_clock_nanosleep(struct thread *td, clockid_t clock_id,
2862 int flags, const struct timespec32 *ua_rqtp, struct timespec32 *ua_rmtp)
2864 struct timespec32 rmt32, rqt32;
2865 struct timespec rmt, rqt;
2868 error = copyin(ua_rqtp, &rqt32, sizeof(rqt32));
2872 CP(rqt32, rqt, tv_sec);
2873 CP(rqt32, rqt, tv_nsec);
2875 error = kern_clock_nanosleep(td, clock_id, flags, &rqt, &rmt);
2876 if (error == EINTR && ua_rmtp != NULL && (flags & TIMER_ABSTIME) == 0) {
2877 CP(rmt, rmt32, tv_sec);
2878 CP(rmt, rmt32, tv_nsec);
2880 error2 = copyout(&rmt32, ua_rmtp, sizeof(rmt32));
2888 freebsd32_clock_gettime(struct thread *td,
2889 struct freebsd32_clock_gettime_args *uap)
2891 struct timespec ats;
2892 struct timespec32 ats32;
2895 error = kern_clock_gettime(td, uap->clock_id, &ats);
2897 CP(ats, ats32, tv_sec);
2898 CP(ats, ats32, tv_nsec);
2899 error = copyout(&ats32, uap->tp, sizeof(ats32));
2905 freebsd32_clock_settime(struct thread *td,
2906 struct freebsd32_clock_settime_args *uap)
2908 struct timespec ats;
2909 struct timespec32 ats32;
2912 error = copyin(uap->tp, &ats32, sizeof(ats32));
2915 CP(ats32, ats, tv_sec);
2916 CP(ats32, ats, tv_nsec);
2918 return (kern_clock_settime(td, uap->clock_id, &ats));
2922 freebsd32_clock_getres(struct thread *td,
2923 struct freebsd32_clock_getres_args *uap)
2926 struct timespec32 ts32;
2929 if (uap->tp == NULL)
2931 error = kern_clock_getres(td, uap->clock_id, &ts);
2933 CP(ts, ts32, tv_sec);
2934 CP(ts, ts32, tv_nsec);
2935 error = copyout(&ts32, uap->tp, sizeof(ts32));
2940 int freebsd32_ktimer_create(struct thread *td,
2941 struct freebsd32_ktimer_create_args *uap)
2943 struct sigevent32 ev32;
2944 struct sigevent ev, *evp;
2947 if (uap->evp == NULL) {
2951 error = copyin(uap->evp, &ev32, sizeof(ev32));
2954 error = convert_sigevent32(&ev32, &ev);
2958 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1);
2960 error = copyout(&id, uap->timerid, sizeof(int));
2962 kern_ktimer_delete(td, id);
2968 freebsd32_ktimer_settime(struct thread *td,
2969 struct freebsd32_ktimer_settime_args *uap)
2971 struct itimerspec32 val32, oval32;
2972 struct itimerspec val, oval, *ovalp;
2975 error = copyin(uap->value, &val32, sizeof(val32));
2979 ovalp = uap->ovalue != NULL ? &oval : NULL;
2980 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp);
2981 if (error == 0 && uap->ovalue != NULL) {
2982 ITS_CP(oval, oval32);
2983 error = copyout(&oval32, uap->ovalue, sizeof(oval32));
2989 freebsd32_ktimer_gettime(struct thread *td,
2990 struct freebsd32_ktimer_gettime_args *uap)
2992 struct itimerspec32 val32;
2993 struct itimerspec val;
2996 error = kern_ktimer_gettime(td, uap->timerid, &val);
2999 error = copyout(&val32, uap->value, sizeof(val32));
3005 freebsd32_clock_getcpuclockid2(struct thread *td,
3006 struct freebsd32_clock_getcpuclockid2_args *uap)
3011 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id),
3012 uap->which, &clk_id);
3014 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t));
3019 freebsd32_thr_new(struct thread *td,
3020 struct freebsd32_thr_new_args *uap)
3022 struct thr_param32 param32;
3023 struct thr_param param;
3026 if (uap->param_size < 0 ||
3027 uap->param_size > sizeof(struct thr_param32))
3029 bzero(¶m, sizeof(struct thr_param));
3030 bzero(¶m32, sizeof(struct thr_param32));
3031 error = copyin(uap->param, ¶m32, uap->param_size);
3034 param.start_func = PTRIN(param32.start_func);
3035 param.arg = PTRIN(param32.arg);
3036 param.stack_base = PTRIN(param32.stack_base);
3037 param.stack_size = param32.stack_size;
3038 param.tls_base = PTRIN(param32.tls_base);
3039 param.tls_size = param32.tls_size;
3040 param.child_tid = PTRIN(param32.child_tid);
3041 param.parent_tid = PTRIN(param32.parent_tid);
3042 param.flags = param32.flags;
3043 param.rtp = PTRIN(param32.rtp);
3044 param.spare[0] = PTRIN(param32.spare[0]);
3045 param.spare[1] = PTRIN(param32.spare[1]);
3046 param.spare[2] = PTRIN(param32.spare[2]);
3048 return (kern_thr_new(td, ¶m));
3052 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap)
3054 struct timespec32 ts32;
3055 struct timespec ts, *tsp;
3060 if (uap->timeout != NULL) {
3061 error = copyin((const void *)uap->timeout, (void *)&ts32,
3062 sizeof(struct timespec32));
3065 ts.tv_sec = ts32.tv_sec;
3066 ts.tv_nsec = ts32.tv_nsec;
3069 return (kern_thr_suspend(td, tsp));
3073 siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst)
3075 bzero(dst, sizeof(*dst));
3076 dst->si_signo = src->si_signo;
3077 dst->si_errno = src->si_errno;
3078 dst->si_code = src->si_code;
3079 dst->si_pid = src->si_pid;
3080 dst->si_uid = src->si_uid;
3081 dst->si_status = src->si_status;
3082 dst->si_addr = (uintptr_t)src->si_addr;
3083 dst->si_value.sival_int = src->si_value.sival_int;
3084 dst->si_timerid = src->si_timerid;
3085 dst->si_overrun = src->si_overrun;
3088 #ifndef _FREEBSD32_SYSPROTO_H_
3089 struct freebsd32_sigqueue_args {
3092 /* union sigval32 */ int value;
3096 freebsd32_sigqueue(struct thread *td, struct freebsd32_sigqueue_args *uap)
3101 * On 32-bit ABIs, sival_int and sival_ptr are the same.
3102 * On 64-bit little-endian ABIs, the low bits are the same.
3103 * In 64-bit big-endian ABIs, sival_int overlaps with
3104 * sival_ptr's HIGH bits. We choose to support sival_int
3105 * rather than sival_ptr in this case as it seems to be
3108 bzero(&sv, sizeof(sv));
3109 sv.sival_int = uap->value;
3111 return (kern_sigqueue(td, uap->pid, uap->signum, &sv));
3115 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap)
3117 struct timespec32 ts32;
3119 struct timespec *timeout;
3122 struct siginfo32 si32;
3126 error = copyin(uap->timeout, &ts32, sizeof(ts32));
3129 ts.tv_sec = ts32.tv_sec;
3130 ts.tv_nsec = ts32.tv_nsec;
3135 error = copyin(uap->set, &set, sizeof(set));
3139 error = kern_sigtimedwait(td, set, &ksi, timeout);
3144 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
3145 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
3149 td->td_retval[0] = ksi.ksi_signo;
3157 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap)
3160 struct siginfo32 si32;
3164 error = copyin(uap->set, &set, sizeof(set));
3168 error = kern_sigtimedwait(td, set, &ksi, NULL);
3173 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
3174 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
3177 td->td_retval[0] = ksi.ksi_signo;
3182 freebsd32_cpuset_setid(struct thread *td,
3183 struct freebsd32_cpuset_setid_args *uap)
3186 return (kern_cpuset_setid(td, uap->which,
3187 PAIR32TO64(id_t, uap->id), uap->setid));
3191 freebsd32_cpuset_getid(struct thread *td,
3192 struct freebsd32_cpuset_getid_args *uap)
3195 return (kern_cpuset_getid(td, uap->level, uap->which,
3196 PAIR32TO64(id_t, uap->id), uap->setid));
3200 freebsd32_cpuset_getaffinity(struct thread *td,
3201 struct freebsd32_cpuset_getaffinity_args *uap)
3204 return (kern_cpuset_getaffinity(td, uap->level, uap->which,
3205 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask));
3209 freebsd32_cpuset_setaffinity(struct thread *td,
3210 struct freebsd32_cpuset_setaffinity_args *uap)
3213 return (kern_cpuset_setaffinity(td, uap->level, uap->which,
3214 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask));
3218 freebsd32_cpuset_getdomain(struct thread *td,
3219 struct freebsd32_cpuset_getdomain_args *uap)
3222 return (kern_cpuset_getdomain(td, uap->level, uap->which,
3223 PAIR32TO64(id_t,uap->id), uap->domainsetsize, uap->mask, uap->policy));
3227 freebsd32_cpuset_setdomain(struct thread *td,
3228 struct freebsd32_cpuset_setdomain_args *uap)
3231 return (kern_cpuset_setdomain(td, uap->level, uap->which,
3232 PAIR32TO64(id_t,uap->id), uap->domainsetsize, uap->mask, uap->policy));
3236 freebsd32_nmount(struct thread *td,
3237 struct freebsd32_nmount_args /* {
3239 unsigned int iovcnt;
3248 * Mount flags are now 64-bits. On 32-bit archtectures only
3249 * 32-bits are passed in, but from here on everything handles
3250 * 64-bit flags correctly.
3254 AUDIT_ARG_FFLAGS(flags);
3257 * Filter out MNT_ROOTFS. We do not want clients of nmount() in
3258 * userspace to set this flag, but we must filter it out if we want
3259 * MNT_UPDATE on the root file system to work.
3260 * MNT_ROOTFS should only be set by the kernel when mounting its
3263 flags &= ~MNT_ROOTFS;
3266 * check that we have an even number of iovec's
3267 * and that we have at least two options.
3269 if ((uap->iovcnt & 1) || (uap->iovcnt < 4))
3272 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
3275 error = vfs_donmount(td, flags, auio);
3283 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap)
3285 struct yyy32 *p32, s32;
3286 struct yyy *p = NULL, s;
3291 error = copyin(uap->zzz, &s32, sizeof(s32));
3297 error = kern_xxx(td, p);
3302 error = copyout(&s32, p32, sizeof(s32));
3309 syscall32_module_handler(struct module *mod, int what, void *arg)
3312 return (kern_syscall_module_handler(freebsd32_sysent, mod, what, arg));
3316 syscall32_helper_register(struct syscall_helper_data *sd, int flags)
3319 return (kern_syscall_helper_register(freebsd32_sysent, sd, flags));
3323 syscall32_helper_unregister(struct syscall_helper_data *sd)
3326 return (kern_syscall_helper_unregister(freebsd32_sysent, sd));
3330 freebsd32_copyout_strings(struct image_params *imgp, uintptr_t *stack_base)
3335 uintptr_t destp, ustringp;
3336 struct freebsd32_ps_strings *arginfo;
3337 char canary[sizeof(long) * 8];
3338 int32_t pagesizes32[MAXPAGESIZES];
3339 size_t execpath_len;
3340 int error, szsigcode;
3343 * Calculate string base and vector table pointers.
3344 * Also deal with signal trampoline code for this exec type.
3346 if (imgp->execpath != NULL && imgp->auxargs != NULL)
3347 execpath_len = strlen(imgp->execpath) + 1;
3350 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent->
3352 imgp->ps_strings = arginfo;
3353 if (imgp->proc->p_sysent->sv_sigcode_base == 0)
3354 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode);
3357 destp = (uintptr_t)arginfo;
3362 if (szsigcode != 0) {
3364 destp = rounddown2(destp, sizeof(uint32_t));
3365 error = copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp,
3372 * Copy the image path for the rtld.
3374 if (execpath_len != 0) {
3375 destp -= execpath_len;
3376 imgp->execpathp = (void *)destp;
3377 error = copyout(imgp->execpath, imgp->execpathp, execpath_len);
3383 * Prepare the canary for SSP.
3385 arc4rand(canary, sizeof(canary), 0);
3386 destp -= sizeof(canary);
3387 imgp->canary = (void *)destp;
3388 error = copyout(canary, imgp->canary, sizeof(canary));
3391 imgp->canarylen = sizeof(canary);
3394 * Prepare the pagesizes array.
3396 for (i = 0; i < MAXPAGESIZES; i++)
3397 pagesizes32[i] = (uint32_t)pagesizes[i];
3398 destp -= sizeof(pagesizes32);
3399 destp = rounddown2(destp, sizeof(uint32_t));
3400 imgp->pagesizes = (void *)destp;
3401 error = copyout(pagesizes32, imgp->pagesizes, sizeof(pagesizes32));
3404 imgp->pagesizeslen = sizeof(pagesizes32);
3407 * Allocate room for the argument and environment strings.
3409 destp -= ARG_MAX - imgp->args->stringspace;
3410 destp = rounddown2(destp, sizeof(uint32_t));
3413 if (imgp->sysent->sv_stackgap != NULL)
3414 imgp->sysent->sv_stackgap(imgp, &destp);
3416 if (imgp->auxargs) {
3418 * Allocate room on the stack for the ELF auxargs
3419 * array. It has up to AT_COUNT entries.
3421 destp -= AT_COUNT * sizeof(Elf32_Auxinfo);
3422 destp = rounddown2(destp, sizeof(uint32_t));
3425 vectp = (uint32_t *)destp;
3428 * Allocate room for the argv[] and env vectors including the
3429 * terminating NULL pointers.
3431 vectp -= imgp->args->argc + 1 + imgp->args->envc + 1;
3434 * vectp also becomes our initial stack base
3436 *stack_base = (uintptr_t)vectp;
3438 stringp = imgp->args->begin_argv;
3439 argc = imgp->args->argc;
3440 envc = imgp->args->envc;
3442 * Copy out strings - arguments and environment.
3444 error = copyout(stringp, (void *)ustringp,
3445 ARG_MAX - imgp->args->stringspace);
3450 * Fill in "ps_strings" struct for ps, w, etc.
3453 if (suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp) != 0 ||
3454 suword32(&arginfo->ps_nargvstr, argc) != 0)
3458 * Fill in argument portion of vector table.
3460 for (; argc > 0; --argc) {
3461 if (suword32(vectp++, ustringp) != 0)
3463 while (*stringp++ != 0)
3468 /* a null vector table pointer separates the argp's from the envp's */
3469 if (suword32(vectp++, 0) != 0)
3473 if (suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp) != 0 ||
3474 suword32(&arginfo->ps_nenvstr, envc) != 0)
3478 * Fill in environment portion of vector table.
3480 for (; envc > 0; --envc) {
3481 if (suword32(vectp++, ustringp) != 0)
3483 while (*stringp++ != 0)
3488 /* end of vector table is a null pointer */
3489 if (suword32(vectp, 0) != 0)
3492 if (imgp->auxargs) {
3494 error = imgp->sysent->sv_copyout_auxargs(imgp,
3504 freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap)
3506 struct kld_file_stat *stat;
3507 struct kld32_file_stat *stat32;
3510 if ((error = copyin(&uap->stat->version, &version, sizeof(version)))
3513 if (version != sizeof(struct kld32_file_stat_1) &&
3514 version != sizeof(struct kld32_file_stat))
3517 stat = malloc(sizeof(*stat), M_TEMP, M_WAITOK | M_ZERO);
3518 stat32 = malloc(sizeof(*stat32), M_TEMP, M_WAITOK | M_ZERO);
3519 error = kern_kldstat(td, uap->fileid, stat);
3521 bcopy(&stat->name[0], &stat32->name[0], sizeof(stat->name));
3522 CP(*stat, *stat32, refs);
3523 CP(*stat, *stat32, id);
3524 PTROUT_CP(*stat, *stat32, address);
3525 CP(*stat, *stat32, size);
3526 bcopy(&stat->pathname[0], &stat32->pathname[0],
3527 sizeof(stat->pathname));
3528 stat32->version = version;
3529 error = copyout(stat32, uap->stat, version);
3532 free(stat32, M_TEMP);
3537 freebsd32_posix_fallocate(struct thread *td,
3538 struct freebsd32_posix_fallocate_args *uap)
3542 error = kern_posix_fallocate(td, uap->fd,
3543 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len));
3544 return (kern_posix_error(td, error));
3548 freebsd32_posix_fadvise(struct thread *td,
3549 struct freebsd32_posix_fadvise_args *uap)
3553 error = kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset),
3554 PAIR32TO64(off_t, uap->len), uap->advice);
3555 return (kern_posix_error(td, error));
3559 convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig)
3562 CP(*sig32, *sig, sigev_notify);
3563 switch (sig->sigev_notify) {
3566 case SIGEV_THREAD_ID:
3567 CP(*sig32, *sig, sigev_notify_thread_id);
3570 CP(*sig32, *sig, sigev_signo);
3571 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
3574 CP(*sig32, *sig, sigev_notify_kqueue);
3575 CP(*sig32, *sig, sigev_notify_kevent_flags);
3576 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
3585 freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap)
3589 struct procctl_reaper_status rs;
3590 struct procctl_reaper_pids rp;
3591 struct procctl_reaper_kill rk;
3594 struct procctl_reaper_pids32 rp;
3596 int error, error1, flags, signum;
3598 if (uap->com >= PROC_PROCCTL_MD_MIN)
3599 return (cpu_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id),
3600 uap->com, PTRIN(uap->data)));
3604 case PROC_PROTMAX_CTL:
3606 case PROC_STACKGAP_CTL:
3607 case PROC_TRACE_CTL:
3608 case PROC_TRAPCAP_CTL:
3609 error = copyin(PTRIN(uap->data), &flags, sizeof(flags));
3614 case PROC_REAP_ACQUIRE:
3615 case PROC_REAP_RELEASE:
3616 if (uap->data != NULL)
3620 case PROC_REAP_STATUS:
3623 case PROC_REAP_GETPIDS:
3624 error = copyin(uap->data, &x32.rp, sizeof(x32.rp));
3627 CP(x32.rp, x.rp, rp_count);
3628 PTRIN_CP(x32.rp, x.rp, rp_pids);
3631 case PROC_REAP_KILL:
3632 error = copyin(uap->data, &x.rk, sizeof(x.rk));
3637 case PROC_ASLR_STATUS:
3638 case PROC_PROTMAX_STATUS:
3639 case PROC_STACKGAP_STATUS:
3640 case PROC_TRACE_STATUS:
3641 case PROC_TRAPCAP_STATUS:
3644 case PROC_PDEATHSIG_CTL:
3645 error = copyin(uap->data, &signum, sizeof(signum));
3650 case PROC_PDEATHSIG_STATUS:
3656 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id),
3659 case PROC_REAP_STATUS:
3661 error = copyout(&x.rs, uap->data, sizeof(x.rs));
3663 case PROC_REAP_KILL:
3664 error1 = copyout(&x.rk, uap->data, sizeof(x.rk));
3668 case PROC_ASLR_STATUS:
3669 case PROC_PROTMAX_STATUS:
3670 case PROC_STACKGAP_STATUS:
3671 case PROC_TRACE_STATUS:
3672 case PROC_TRAPCAP_STATUS:
3674 error = copyout(&flags, uap->data, sizeof(flags));
3676 case PROC_PDEATHSIG_STATUS:
3678 error = copyout(&signum, uap->data, sizeof(signum));
3685 freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap)
3691 * Do unsigned conversion for arg when operation
3692 * interprets it as flags or pointer.
3694 case F_SETLK_REMOTE:
3703 tmp = (unsigned int)(uap->arg);
3709 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp));
3713 freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap)
3715 struct timespec32 ts32;
3716 struct timespec ts, *tsp;
3720 if (uap->ts != NULL) {
3721 error = copyin(uap->ts, &ts32, sizeof(ts32));
3724 CP(ts32, ts, tv_sec);
3725 CP(ts32, ts, tv_nsec);
3729 if (uap->set != NULL) {
3730 error = copyin(uap->set, &set, sizeof(set));
3737 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp));
3741 freebsd32_sched_rr_get_interval(struct thread *td,
3742 struct freebsd32_sched_rr_get_interval_args *uap)
3745 struct timespec32 ts32;
3748 error = kern_sched_rr_get_interval(td, uap->pid, &ts);
3750 CP(ts, ts32, tv_sec);
3751 CP(ts, ts32, tv_nsec);
3752 error = copyout(&ts32, uap->interval, sizeof(ts32));