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) {
326 return (freebsd10_pipe(td, (struct freebsd10_pipe_args*)uap));
331 freebsd32_sigaltstack(struct thread *td,
332 struct freebsd32_sigaltstack_args *uap)
334 struct sigaltstack32 s32;
335 struct sigaltstack ss, oss, *ssp;
338 if (uap->ss != NULL) {
339 error = copyin(uap->ss, &s32, sizeof(s32));
342 PTRIN_CP(s32, ss, ss_sp);
343 CP(s32, ss, ss_size);
344 CP(s32, ss, ss_flags);
348 error = kern_sigaltstack(td, ssp, &oss);
349 if (error == 0 && uap->oss != NULL) {
350 PTROUT_CP(oss, s32, ss_sp);
351 CP(oss, s32, ss_size);
352 CP(oss, s32, ss_flags);
353 error = copyout(&s32, uap->oss, sizeof(s32));
359 * Custom version of exec_copyin_args() so that we can translate
363 freebsd32_exec_copyin_args(struct image_args *args, const char *fname,
364 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv)
370 bzero(args, sizeof(*args));
375 * Allocate demand-paged memory for the file name, argument, and
376 * environment strings.
378 error = exec_alloc_args(args);
383 * Copy the file name.
385 error = exec_args_add_fname(args, fname, segflg);
390 * extract arguments first
394 error = copyin(p32++, &arg, sizeof(arg));
400 error = exec_args_add_arg(args, argp, UIO_USERSPACE);
406 * extract environment strings
411 error = copyin(p32++, &arg, sizeof(arg));
417 error = exec_args_add_env(args, envp, UIO_USERSPACE);
426 exec_free_args(args);
431 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap)
433 struct image_args eargs;
434 struct vmspace *oldvmspace;
437 error = pre_execve(td, &oldvmspace);
440 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE,
441 uap->argv, uap->envv);
443 error = kern_execve(td, &eargs, NULL);
444 post_execve(td, error, oldvmspace);
449 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap)
451 struct image_args eargs;
452 struct vmspace *oldvmspace;
455 error = pre_execve(td, &oldvmspace);
458 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE,
459 uap->argv, uap->envv);
462 error = kern_execve(td, &eargs, NULL);
464 post_execve(td, error, oldvmspace);
469 freebsd32_mknodat(struct thread *td, struct freebsd32_mknodat_args *uap)
472 return (kern_mknodat(td, uap->fd, uap->path, UIO_USERSPACE,
473 uap->mode, PAIR32TO64(dev_t, uap->dev)));
477 freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap)
482 #if defined(__amd64__)
483 if (i386_read_exec && (prot & PROT_READ) != 0)
486 return (kern_mprotect(td, (uintptr_t)PTRIN(uap->addr), uap->len,
491 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap)
496 #if defined(__amd64__)
497 if (i386_read_exec && (prot & PROT_READ))
501 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot,
502 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos)));
505 #ifdef COMPAT_FREEBSD6
507 freebsd6_freebsd32_mmap(struct thread *td,
508 struct freebsd6_freebsd32_mmap_args *uap)
513 #if defined(__amd64__)
514 if (i386_read_exec && (prot & PROT_READ))
518 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot,
519 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos)));
524 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap)
526 struct itimerval itv, oitv, *itvp;
527 struct itimerval32 i32;
530 if (uap->itv != NULL) {
531 error = copyin(uap->itv, &i32, sizeof(i32));
534 TV_CP(i32, itv, it_interval);
535 TV_CP(i32, itv, it_value);
539 error = kern_setitimer(td, uap->which, itvp, &oitv);
540 if (error || uap->oitv == NULL)
542 TV_CP(oitv, i32, it_interval);
543 TV_CP(oitv, i32, it_value);
544 return (copyout(&i32, uap->oitv, sizeof(i32)));
548 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap)
550 struct itimerval itv;
551 struct itimerval32 i32;
554 error = kern_getitimer(td, uap->which, &itv);
555 if (error || uap->itv == NULL)
557 TV_CP(itv, i32, it_interval);
558 TV_CP(itv, i32, it_value);
559 return (copyout(&i32, uap->itv, sizeof(i32)));
563 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap)
565 struct timeval32 tv32;
566 struct timeval tv, *tvp;
569 if (uap->tv != NULL) {
570 error = copyin(uap->tv, &tv32, sizeof(tv32));
573 CP(tv32, tv, tv_sec);
574 CP(tv32, tv, tv_usec);
579 * XXX Do pointers need PTRIN()?
581 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
582 sizeof(int32_t) * 8));
586 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap)
588 struct timespec32 ts32;
590 struct timeval tv, *tvp;
594 if (uap->ts != NULL) {
595 error = copyin(uap->ts, &ts32, sizeof(ts32));
598 CP(ts32, ts, tv_sec);
599 CP(ts32, ts, tv_nsec);
600 TIMESPEC_TO_TIMEVAL(&tv, &ts);
604 if (uap->sm != NULL) {
605 error = copyin(uap->sm, &set, sizeof(set));
612 * XXX Do pointers need PTRIN()?
614 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
615 uset, sizeof(int32_t) * 8);
620 * Copy 'count' items into the destination list pointed to by uap->eventlist.
623 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count)
625 struct freebsd32_kevent_args *uap;
626 struct kevent32 ks32[KQ_NEVENTS];
630 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
631 uap = (struct freebsd32_kevent_args *)arg;
633 for (i = 0; i < count; i++) {
634 CP(kevp[i], ks32[i], ident);
635 CP(kevp[i], ks32[i], filter);
636 CP(kevp[i], ks32[i], flags);
637 CP(kevp[i], ks32[i], fflags);
638 #if BYTE_ORDER == LITTLE_ENDIAN
639 ks32[i].data1 = kevp[i].data;
640 ks32[i].data2 = kevp[i].data >> 32;
642 ks32[i].data1 = kevp[i].data >> 32;
643 ks32[i].data2 = kevp[i].data;
645 PTROUT_CP(kevp[i], ks32[i], udata);
646 for (j = 0; j < nitems(kevp->ext); j++) {
648 #if BYTE_ORDER == LITTLE_ENDIAN
649 ks32[i].ext64[2 * j] = e;
650 ks32[i].ext64[2 * j + 1] = e >> 32;
652 ks32[i].ext64[2 * j] = e >> 32;
653 ks32[i].ext64[2 * j + 1] = e;
657 error = copyout(ks32, uap->eventlist, count * sizeof *ks32);
659 uap->eventlist += count;
664 * Copy 'count' items from the list pointed to by uap->changelist.
667 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count)
669 struct freebsd32_kevent_args *uap;
670 struct kevent32 ks32[KQ_NEVENTS];
674 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
675 uap = (struct freebsd32_kevent_args *)arg;
677 error = copyin(uap->changelist, ks32, count * sizeof *ks32);
680 uap->changelist += count;
682 for (i = 0; i < count; i++) {
683 CP(ks32[i], kevp[i], ident);
684 CP(ks32[i], kevp[i], filter);
685 CP(ks32[i], kevp[i], flags);
686 CP(ks32[i], kevp[i], fflags);
687 kevp[i].data = PAIR32TO64(uint64_t, ks32[i].data);
688 PTRIN_CP(ks32[i], kevp[i], udata);
689 for (j = 0; j < nitems(kevp->ext); j++) {
690 #if BYTE_ORDER == LITTLE_ENDIAN
691 e = ks32[i].ext64[2 * j + 1];
693 e += ks32[i].ext64[2 * j];
695 e = ks32[i].ext64[2 * j];
697 e += ks32[i].ext64[2 * j + 1];
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 = {
713 .k_copyout = freebsd32_kevent_copyout,
714 .k_copyin = freebsd32_kevent_copyin,
717 struct kevent32 *eventlist = uap->eventlist;
722 error = copyin(uap->timeout, &ts32, sizeof(ts32));
725 CP(ts32, ts, tv_sec);
726 CP(ts32, ts, tv_nsec);
731 if (KTRPOINT(td, KTR_STRUCT_ARRAY))
732 ktrstructarray("kevent32", UIO_USERSPACE, uap->changelist,
733 uap->nchanges, sizeof(struct kevent32));
735 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents,
738 if (error == 0 && KTRPOINT(td, KTR_STRUCT_ARRAY))
739 ktrstructarray("kevent32", UIO_USERSPACE, eventlist,
740 td->td_retval[0], sizeof(struct kevent32));
745 #ifdef COMPAT_FREEBSD11
747 freebsd32_kevent11_copyout(void *arg, struct kevent *kevp, int count)
749 struct freebsd11_freebsd32_kevent_args *uap;
750 struct kevent32_freebsd11 ks32[KQ_NEVENTS];
753 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
754 uap = (struct freebsd11_freebsd32_kevent_args *)arg;
756 for (i = 0; i < count; i++) {
757 CP(kevp[i], ks32[i], ident);
758 CP(kevp[i], ks32[i], filter);
759 CP(kevp[i], ks32[i], flags);
760 CP(kevp[i], ks32[i], fflags);
761 CP(kevp[i], ks32[i], data);
762 PTROUT_CP(kevp[i], ks32[i], udata);
764 error = copyout(ks32, uap->eventlist, count * sizeof *ks32);
766 uap->eventlist += count;
771 * Copy 'count' items from the list pointed to by uap->changelist.
774 freebsd32_kevent11_copyin(void *arg, struct kevent *kevp, int count)
776 struct freebsd11_freebsd32_kevent_args *uap;
777 struct kevent32_freebsd11 ks32[KQ_NEVENTS];
780 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
781 uap = (struct freebsd11_freebsd32_kevent_args *)arg;
783 error = copyin(uap->changelist, ks32, count * sizeof *ks32);
786 uap->changelist += count;
788 for (i = 0; i < count; i++) {
789 CP(ks32[i], kevp[i], ident);
790 CP(ks32[i], kevp[i], filter);
791 CP(ks32[i], kevp[i], flags);
792 CP(ks32[i], kevp[i], fflags);
793 CP(ks32[i], kevp[i], data);
794 PTRIN_CP(ks32[i], kevp[i], udata);
795 for (j = 0; j < nitems(kevp->ext); j++)
803 freebsd11_freebsd32_kevent(struct thread *td,
804 struct freebsd11_freebsd32_kevent_args *uap)
806 struct timespec32 ts32;
807 struct timespec ts, *tsp;
808 struct kevent_copyops k_ops = {
810 .k_copyout = freebsd32_kevent11_copyout,
811 .k_copyin = freebsd32_kevent11_copyin,
814 struct kevent32_freebsd11 *eventlist = uap->eventlist;
819 error = copyin(uap->timeout, &ts32, sizeof(ts32));
822 CP(ts32, ts, tv_sec);
823 CP(ts32, ts, tv_nsec);
828 if (KTRPOINT(td, KTR_STRUCT_ARRAY))
829 ktrstructarray("kevent32_freebsd11", UIO_USERSPACE,
830 uap->changelist, uap->nchanges,
831 sizeof(struct kevent32_freebsd11));
833 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents,
836 if (error == 0 && KTRPOINT(td, KTR_STRUCT_ARRAY))
837 ktrstructarray("kevent32_freebsd11", UIO_USERSPACE,
838 eventlist, td->td_retval[0],
839 sizeof(struct kevent32_freebsd11));
846 freebsd32_gettimeofday(struct thread *td,
847 struct freebsd32_gettimeofday_args *uap)
850 struct timeval32 atv32;
856 CP(atv, atv32, tv_sec);
857 CP(atv, atv32, tv_usec);
858 error = copyout(&atv32, uap->tp, sizeof (atv32));
860 if (error == 0 && uap->tzp != NULL) {
861 rtz.tz_minuteswest = 0;
863 error = copyout(&rtz, uap->tzp, sizeof (rtz));
869 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap)
875 error = kern_getrusage(td, uap->who, &s);
877 freebsd32_rusage_out(&s, &s32);
878 error = copyout(&s32, uap->rusage, sizeof(s32));
884 ptrace_lwpinfo_to32(const struct ptrace_lwpinfo *pl,
885 struct ptrace_lwpinfo32 *pl32)
888 bzero(pl32, sizeof(*pl32));
889 pl32->pl_lwpid = pl->pl_lwpid;
890 pl32->pl_event = pl->pl_event;
891 pl32->pl_flags = pl->pl_flags;
892 pl32->pl_sigmask = pl->pl_sigmask;
893 pl32->pl_siglist = pl->pl_siglist;
894 siginfo_to_siginfo32(&pl->pl_siginfo, &pl32->pl_siginfo);
895 strcpy(pl32->pl_tdname, pl->pl_tdname);
896 pl32->pl_child_pid = pl->pl_child_pid;
897 pl32->pl_syscall_code = pl->pl_syscall_code;
898 pl32->pl_syscall_narg = pl->pl_syscall_narg;
902 ptrace_sc_ret_to32(const struct ptrace_sc_ret *psr,
903 struct ptrace_sc_ret32 *psr32)
906 bzero(psr32, sizeof(*psr32));
907 psr32->sr_retval[0] = psr->sr_retval[0];
908 psr32->sr_retval[1] = psr->sr_retval[1];
909 psr32->sr_error = psr->sr_error;
913 freebsd32_ptrace(struct thread *td, struct freebsd32_ptrace_args *uap)
916 struct ptrace_io_desc piod;
917 struct ptrace_lwpinfo pl;
918 struct ptrace_vm_entry pve;
919 struct dbreg32 dbreg;
920 struct fpreg32 fpreg;
922 register_t args[nitems(td->td_sa.args)];
923 struct ptrace_sc_ret psr;
927 struct ptrace_io_desc32 piod;
928 struct ptrace_lwpinfo32 pl;
929 struct ptrace_vm_entry32 pve;
930 uint32_t args[nitems(td->td_sa.args)];
931 struct ptrace_sc_ret32 psr;
934 int data, error = 0, i;
936 AUDIT_ARG_PID(uap->pid);
937 AUDIT_ARG_CMD(uap->req);
938 AUDIT_ARG_VALUE(uap->data);
942 case PT_GET_EVENT_MASK:
947 if (uap->data > sizeof(r32.pl))
951 * Pass size of native structure in 'data'. Truncate
952 * if necessary to avoid siginfo.
955 if (uap->data < offsetof(struct ptrace_lwpinfo32, pl_siginfo) +
956 sizeof(struct siginfo32))
957 data = offsetof(struct ptrace_lwpinfo, pl_siginfo);
960 bzero(&r.reg, sizeof(r.reg));
963 bzero(&r.fpreg, sizeof(r.fpreg));
966 bzero(&r.dbreg, sizeof(r.dbreg));
969 error = copyin(uap->addr, &r.reg, sizeof(r.reg));
972 error = copyin(uap->addr, &r.fpreg, sizeof(r.fpreg));
975 error = copyin(uap->addr, &r.dbreg, sizeof(r.dbreg));
977 case PT_SET_EVENT_MASK:
978 if (uap->data != sizeof(r.ptevents))
981 error = copyin(uap->addr, &r.ptevents, uap->data);
984 error = copyin(uap->addr, &r32.piod, sizeof(r32.piod));
987 CP(r32.piod, r.piod, piod_op);
988 PTRIN_CP(r32.piod, r.piod, piod_offs);
989 PTRIN_CP(r32.piod, r.piod, piod_addr);
990 CP(r32.piod, r.piod, piod_len);
993 error = copyin(uap->addr, &r32.pve, sizeof(r32.pve));
997 CP(r32.pve, r.pve, pve_entry);
998 CP(r32.pve, r.pve, pve_timestamp);
999 CP(r32.pve, r.pve, pve_start);
1000 CP(r32.pve, r.pve, pve_end);
1001 CP(r32.pve, r.pve, pve_offset);
1002 CP(r32.pve, r.pve, pve_prot);
1003 CP(r32.pve, r.pve, pve_pathlen);
1004 CP(r32.pve, r.pve, pve_fileid);
1005 CP(r32.pve, r.pve, pve_fsid);
1006 PTRIN_CP(r32.pve, r.pve, pve_path);
1015 error = kern_ptrace(td, uap->req, uap->pid, addr, data);
1021 CP(r.pve, r32.pve, pve_entry);
1022 CP(r.pve, r32.pve, pve_timestamp);
1023 CP(r.pve, r32.pve, pve_start);
1024 CP(r.pve, r32.pve, pve_end);
1025 CP(r.pve, r32.pve, pve_offset);
1026 CP(r.pve, r32.pve, pve_prot);
1027 CP(r.pve, r32.pve, pve_pathlen);
1028 CP(r.pve, r32.pve, pve_fileid);
1029 CP(r.pve, r32.pve, pve_fsid);
1030 error = copyout(&r32.pve, uap->addr, sizeof(r32.pve));
1033 CP(r.piod, r32.piod, piod_len);
1034 error = copyout(&r32.piod, uap->addr, sizeof(r32.piod));
1037 error = copyout(&r.reg, uap->addr, sizeof(r.reg));
1040 error = copyout(&r.fpreg, uap->addr, sizeof(r.fpreg));
1043 error = copyout(&r.dbreg, uap->addr, sizeof(r.dbreg));
1045 case PT_GET_EVENT_MASK:
1046 /* NB: The size in uap->data is validated in kern_ptrace(). */
1047 error = copyout(&r.ptevents, uap->addr, uap->data);
1050 ptrace_lwpinfo_to32(&r.pl, &r32.pl);
1051 error = copyout(&r32.pl, uap->addr, uap->data);
1053 case PT_GET_SC_ARGS:
1054 for (i = 0; i < nitems(r.args); i++)
1055 r32.args[i] = (uint32_t)r.args[i];
1056 error = copyout(r32.args, uap->addr, MIN(uap->data,
1060 ptrace_sc_ret_to32(&r.psr, &r32.psr);
1061 error = copyout(&r32.psr, uap->addr, MIN(uap->data,
1070 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop)
1072 struct iovec32 iov32;
1079 if (iovcnt > UIO_MAXIOV)
1081 iovlen = iovcnt * sizeof(struct iovec);
1082 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK);
1083 iov = (struct iovec *)(uio + 1);
1084 for (i = 0; i < iovcnt; i++) {
1085 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32));
1090 iov[i].iov_base = PTRIN(iov32.iov_base);
1091 iov[i].iov_len = iov32.iov_len;
1094 uio->uio_iovcnt = iovcnt;
1095 uio->uio_segflg = UIO_USERSPACE;
1096 uio->uio_offset = -1;
1098 for (i = 0; i < iovcnt; i++) {
1099 if (iov->iov_len > INT_MAX - uio->uio_resid) {
1103 uio->uio_resid += iov->iov_len;
1111 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap)
1116 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1119 error = kern_readv(td, uap->fd, auio);
1125 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap)
1130 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1133 error = kern_writev(td, uap->fd, auio);
1139 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap)
1144 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1147 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
1153 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap)
1158 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1161 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
1167 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp,
1170 struct iovec32 iov32;
1176 if (iovcnt > UIO_MAXIOV)
1178 iovlen = iovcnt * sizeof(struct iovec);
1179 iov = malloc(iovlen, M_IOV, M_WAITOK);
1180 for (i = 0; i < iovcnt; i++) {
1181 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32));
1186 iov[i].iov_base = PTRIN(iov32.iov_base);
1187 iov[i].iov_len = iov32.iov_len;
1194 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg)
1196 struct msghdr32 m32;
1199 error = copyin(msg32, &m32, sizeof(m32));
1202 msg->msg_name = PTRIN(m32.msg_name);
1203 msg->msg_namelen = m32.msg_namelen;
1204 msg->msg_iov = PTRIN(m32.msg_iov);
1205 msg->msg_iovlen = m32.msg_iovlen;
1206 msg->msg_control = PTRIN(m32.msg_control);
1207 msg->msg_controllen = m32.msg_controllen;
1208 msg->msg_flags = m32.msg_flags;
1213 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32)
1215 struct msghdr32 m32;
1218 m32.msg_name = PTROUT(msg->msg_name);
1219 m32.msg_namelen = msg->msg_namelen;
1220 m32.msg_iov = PTROUT(msg->msg_iov);
1221 m32.msg_iovlen = msg->msg_iovlen;
1222 m32.msg_control = PTROUT(msg->msg_control);
1223 m32.msg_controllen = msg->msg_controllen;
1224 m32.msg_flags = msg->msg_flags;
1225 error = copyout(&m32, msg32, sizeof(m32));
1230 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1)
1232 #define FREEBSD32_ALIGNBYTES (sizeof(long) - 1)
1234 #define FREEBSD32_ALIGN(p) \
1235 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES)
1236 #define FREEBSD32_CMSG_SPACE(l) \
1237 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l))
1239 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \
1240 FREEBSD32_ALIGN(sizeof(struct cmsghdr)))
1243 freebsd32_cmsg_convert(const struct cmsghdr *cm, void *data, socklen_t datalen)
1247 struct timespec32 ts;
1248 struct timeval32 tv;
1249 struct bintime32 bt;
1260 switch (cm->cmsg_level) {
1262 switch (cm->cmsg_type) {
1264 TV_CP(*in, tmp32, tv);
1265 copylen = sizeof(tmp32.tv);
1269 BT_CP(*in, tmp32, bt);
1270 copylen = sizeof(tmp32.bt);
1275 TS_CP(*in, tmp32, ts);
1276 copylen = sizeof(tmp32.ts);
1290 KASSERT((datalen >= copylen), ("corrupted cmsghdr"));
1292 bcopy(&tmp32, data, copylen);
1297 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control)
1301 socklen_t clen, datalen, datalen_out, oldclen;
1304 int len, maxlen, copylen;
1308 len = msg->msg_controllen;
1309 maxlen = msg->msg_controllen;
1310 msg->msg_controllen = 0;
1312 ctlbuf = msg->msg_control;
1313 for (m = control; m != NULL && len > 0; m = m->m_next) {
1314 cm = mtod(m, struct cmsghdr *);
1316 while (cm != NULL) {
1317 if (sizeof(struct cmsghdr) > clen ||
1318 cm->cmsg_len > clen) {
1323 data = CMSG_DATA(cm);
1324 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data;
1325 datalen_out = freebsd32_cmsg_convert(cm, data, datalen);
1328 * Copy out the message header. Preserve the native
1329 * message size in case we need to inspect the message
1332 copylen = sizeof(struct cmsghdr);
1333 if (len < copylen) {
1334 msg->msg_flags |= MSG_CTRUNC;
1335 m_dispose_extcontrolm(m);
1338 oldclen = cm->cmsg_len;
1339 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) +
1341 error = copyout(cm, ctlbuf, copylen);
1342 cm->cmsg_len = oldclen;
1346 ctlbuf += FREEBSD32_ALIGN(copylen);
1347 len -= FREEBSD32_ALIGN(copylen);
1349 copylen = datalen_out;
1350 if (len < copylen) {
1351 msg->msg_flags |= MSG_CTRUNC;
1352 m_dispose_extcontrolm(m);
1356 /* Copy out the message data. */
1357 error = copyout(data, ctlbuf, copylen);
1361 ctlbuf += FREEBSD32_ALIGN(copylen);
1362 len -= FREEBSD32_ALIGN(copylen);
1364 if (CMSG_SPACE(datalen) < clen) {
1365 clen -= CMSG_SPACE(datalen);
1366 cm = (struct cmsghdr *)
1367 ((caddr_t)cm + CMSG_SPACE(datalen));
1373 msg->msg_controllen +=
1374 FREEBSD32_CMSG_SPACE(datalen_out);
1377 if (len == 0 && m != NULL) {
1378 msg->msg_flags |= MSG_CTRUNC;
1379 m_dispose_extcontrolm(m);
1387 freebsd32_recvmsg(td, uap)
1389 struct freebsd32_recvmsg_args /* {
1391 struct msghdr32 *msg;
1396 struct msghdr32 m32;
1397 struct iovec *uiov, *iov;
1398 struct mbuf *control = NULL;
1399 struct mbuf **controlp;
1402 error = copyin(uap->msg, &m32, sizeof(m32));
1405 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1408 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
1412 msg.msg_flags = uap->flags;
1416 controlp = (msg.msg_control != NULL) ? &control : NULL;
1417 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp);
1421 if (control != NULL)
1422 error = freebsd32_copy_msg_out(&msg, control);
1424 msg.msg_controllen = 0;
1427 error = freebsd32_copyoutmsghdr(&msg, uap->msg);
1431 if (control != NULL) {
1433 m_dispose_extcontrolm(control);
1441 * Copy-in the array of control messages constructed using alignment
1442 * and padding suitable for a 32-bit environment and construct an
1443 * mbuf using alignment and padding suitable for a 64-bit kernel.
1444 * The alignment and padding are defined indirectly by CMSG_DATA(),
1445 * CMSG_SPACE() and CMSG_LEN().
1448 freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen)
1452 void *in, *in1, *md;
1453 u_int msglen, outlen;
1456 if (buflen > MCLBYTES)
1459 in = malloc(buflen, M_TEMP, M_WAITOK);
1460 error = copyin(buf, in, buflen);
1465 * Make a pass over the input buffer to determine the amount of space
1466 * required for 64 bit-aligned copies of the control messages.
1470 while (buflen > 0) {
1471 if (buflen < sizeof(*cm)) {
1475 cm = (struct cmsghdr *)in1;
1476 if (cm->cmsg_len < FREEBSD32_ALIGN(sizeof(*cm))) {
1480 msglen = FREEBSD32_ALIGN(cm->cmsg_len);
1481 if (msglen > buflen || msglen < cm->cmsg_len) {
1487 in1 = (char *)in1 + msglen;
1488 outlen += CMSG_ALIGN(sizeof(*cm)) +
1489 CMSG_ALIGN(msglen - FREEBSD32_ALIGN(sizeof(*cm)));
1491 if (error == 0 && outlen > MCLBYTES) {
1493 * XXXMJ This implies that the upper limit on 32-bit aligned
1494 * control messages is less than MCLBYTES, and so we are not
1495 * perfectly compatible. However, there is no platform
1496 * guarantee that mbuf clusters larger than MCLBYTES can be
1504 m = m_get2(outlen, M_WAITOK, MT_CONTROL, 0);
1506 md = mtod(m, void *);
1509 * Make a second pass over input messages, copying them into the output
1513 while (outlen > 0) {
1514 /* Copy the message header and align the length field. */
1516 memcpy(cm, in1, sizeof(*cm));
1517 msglen = cm->cmsg_len - FREEBSD32_ALIGN(sizeof(*cm));
1518 cm->cmsg_len = CMSG_ALIGN(sizeof(*cm)) + msglen;
1520 /* Copy the message body. */
1521 in1 = (char *)in1 + FREEBSD32_ALIGN(sizeof(*cm));
1522 md = (char *)md + CMSG_ALIGN(sizeof(*cm));
1523 memcpy(md, in1, msglen);
1524 in1 = (char *)in1 + FREEBSD32_ALIGN(msglen);
1525 md = (char *)md + CMSG_ALIGN(msglen);
1526 KASSERT(outlen >= CMSG_ALIGN(sizeof(*cm)) + CMSG_ALIGN(msglen),
1527 ("outlen %u underflow, msglen %u", outlen, msglen));
1528 outlen -= CMSG_ALIGN(sizeof(*cm)) + CMSG_ALIGN(msglen);
1538 freebsd32_sendmsg(struct thread *td,
1539 struct freebsd32_sendmsg_args *uap)
1542 struct msghdr32 m32;
1544 struct mbuf *control = NULL;
1545 struct sockaddr *to = NULL;
1548 error = copyin(uap->msg, &m32, sizeof(m32));
1551 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1554 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
1559 if (msg.msg_name != NULL) {
1560 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen);
1568 if (msg.msg_control) {
1569 if (msg.msg_controllen < sizeof(struct cmsghdr)) {
1574 error = freebsd32_copyin_control(&control, msg.msg_control,
1575 msg.msg_controllen);
1579 msg.msg_control = NULL;
1580 msg.msg_controllen = 0;
1583 error = kern_sendit(td, uap->s, &msg, uap->flags, control,
1594 freebsd32_recvfrom(struct thread *td,
1595 struct freebsd32_recvfrom_args *uap)
1601 if (uap->fromlenaddr) {
1602 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen,
1603 sizeof(msg.msg_namelen));
1607 msg.msg_namelen = 0;
1610 msg.msg_name = PTRIN(uap->from);
1611 msg.msg_iov = &aiov;
1613 aiov.iov_base = PTRIN(uap->buf);
1614 aiov.iov_len = uap->len;
1615 msg.msg_control = NULL;
1616 msg.msg_flags = uap->flags;
1617 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL);
1618 if (error == 0 && uap->fromlenaddr)
1619 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr),
1620 sizeof (msg.msg_namelen));
1625 freebsd32_settimeofday(struct thread *td,
1626 struct freebsd32_settimeofday_args *uap)
1628 struct timeval32 tv32;
1629 struct timeval tv, *tvp;
1630 struct timezone tz, *tzp;
1634 error = copyin(uap->tv, &tv32, sizeof(tv32));
1637 CP(tv32, tv, tv_sec);
1638 CP(tv32, tv, tv_usec);
1643 error = copyin(uap->tzp, &tz, sizeof(tz));
1649 return (kern_settimeofday(td, tvp, tzp));
1653 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap)
1655 struct timeval32 s32[2];
1656 struct timeval s[2], *sp;
1659 if (uap->tptr != NULL) {
1660 error = copyin(uap->tptr, s32, sizeof(s32));
1663 CP(s32[0], s[0], tv_sec);
1664 CP(s32[0], s[0], tv_usec);
1665 CP(s32[1], s[1], tv_sec);
1666 CP(s32[1], s[1], tv_usec);
1670 return (kern_utimesat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
1675 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap)
1677 struct timeval32 s32[2];
1678 struct timeval s[2], *sp;
1681 if (uap->tptr != NULL) {
1682 error = copyin(uap->tptr, s32, sizeof(s32));
1685 CP(s32[0], s[0], tv_sec);
1686 CP(s32[0], s[0], tv_usec);
1687 CP(s32[1], s[1], tv_sec);
1688 CP(s32[1], s[1], tv_usec);
1692 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
1696 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap)
1698 struct timeval32 s32[2];
1699 struct timeval s[2], *sp;
1702 if (uap->tptr != NULL) {
1703 error = copyin(uap->tptr, s32, sizeof(s32));
1706 CP(s32[0], s[0], tv_sec);
1707 CP(s32[0], s[0], tv_usec);
1708 CP(s32[1], s[1], tv_sec);
1709 CP(s32[1], s[1], tv_usec);
1713 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE));
1717 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap)
1719 struct timeval32 s32[2];
1720 struct timeval s[2], *sp;
1723 if (uap->times != NULL) {
1724 error = copyin(uap->times, s32, sizeof(s32));
1727 CP(s32[0], s[0], tv_sec);
1728 CP(s32[0], s[0], tv_usec);
1729 CP(s32[1], s[1], tv_sec);
1730 CP(s32[1], s[1], tv_usec);
1734 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE,
1739 freebsd32_futimens(struct thread *td, struct freebsd32_futimens_args *uap)
1741 struct timespec32 ts32[2];
1742 struct timespec ts[2], *tsp;
1745 if (uap->times != NULL) {
1746 error = copyin(uap->times, ts32, sizeof(ts32));
1749 CP(ts32[0], ts[0], tv_sec);
1750 CP(ts32[0], ts[0], tv_nsec);
1751 CP(ts32[1], ts[1], tv_sec);
1752 CP(ts32[1], ts[1], tv_nsec);
1756 return (kern_futimens(td, uap->fd, tsp, UIO_SYSSPACE));
1760 freebsd32_utimensat(struct thread *td, struct freebsd32_utimensat_args *uap)
1762 struct timespec32 ts32[2];
1763 struct timespec ts[2], *tsp;
1766 if (uap->times != NULL) {
1767 error = copyin(uap->times, ts32, sizeof(ts32));
1770 CP(ts32[0], ts[0], tv_sec);
1771 CP(ts32[0], ts[0], tv_nsec);
1772 CP(ts32[1], ts[1], tv_sec);
1773 CP(ts32[1], ts[1], tv_nsec);
1777 return (kern_utimensat(td, uap->fd, uap->path, UIO_USERSPACE,
1778 tsp, UIO_SYSSPACE, uap->flag));
1782 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap)
1784 struct timeval32 tv32;
1785 struct timeval delta, olddelta, *deltap;
1789 error = copyin(uap->delta, &tv32, sizeof(tv32));
1792 CP(tv32, delta, tv_sec);
1793 CP(tv32, delta, tv_usec);
1797 error = kern_adjtime(td, deltap, &olddelta);
1798 if (uap->olddelta && error == 0) {
1799 CP(olddelta, tv32, tv_sec);
1800 CP(olddelta, tv32, tv_usec);
1801 error = copyout(&tv32, uap->olddelta, sizeof(tv32));
1806 #ifdef COMPAT_FREEBSD4
1808 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap)
1810 struct statfs32 s32;
1814 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
1815 error = kern_statfs(td, uap->path, UIO_USERSPACE, sp);
1817 copy_statfs(sp, &s32);
1818 error = copyout(&s32, uap->buf, sizeof(s32));
1825 #ifdef COMPAT_FREEBSD4
1827 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap)
1829 struct statfs32 s32;
1833 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
1834 error = kern_fstatfs(td, uap->fd, sp);
1836 copy_statfs(sp, &s32);
1837 error = copyout(&s32, uap->buf, sizeof(s32));
1844 #ifdef COMPAT_FREEBSD4
1846 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap)
1848 struct statfs32 s32;
1853 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0)
1855 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
1856 error = kern_fhstatfs(td, fh, sp);
1858 copy_statfs(sp, &s32);
1859 error = copyout(&s32, uap->buf, sizeof(s32));
1867 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap)
1870 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte,
1871 PAIR32TO64(off_t, uap->offset)));
1875 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap)
1878 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte,
1879 PAIR32TO64(off_t, uap->offset)));
1884 ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap)
1887 return (kern_lseek(td, uap->fd, uap->offset, uap->whence));
1892 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap)
1897 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset),
1899 /* Expand the quad return into two parts for eax and edx */
1900 pos = td->td_uretoff.tdu_off;
1901 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1902 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
1907 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap)
1910 return (kern_truncate(td, uap->path, UIO_USERSPACE,
1911 PAIR32TO64(off_t, uap->length)));
1915 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap)
1918 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length)));
1923 ofreebsd32_getdirentries(struct thread *td,
1924 struct ofreebsd32_getdirentries_args *uap)
1926 struct ogetdirentries_args ap;
1933 ap.count = uap->count;
1935 error = kern_ogetdirentries(td, &ap, &loff);
1938 error = copyout(&loff_cut, uap->basep, sizeof(int32_t));
1944 #if defined(COMPAT_FREEBSD11)
1946 freebsd11_freebsd32_getdirentries(struct thread *td,
1947 struct freebsd11_freebsd32_getdirentries_args *uap)
1953 error = freebsd11_kern_getdirentries(td, uap->fd, uap->buf, uap->count,
1957 if (uap->basep != NULL) {
1959 error = copyout(&base32, uap->basep, sizeof(int32_t));
1965 freebsd11_freebsd32_getdents(struct thread *td,
1966 struct freebsd11_freebsd32_getdents_args *uap)
1968 struct freebsd11_freebsd32_getdirentries_args ap;
1972 ap.count = uap->count;
1974 return (freebsd11_freebsd32_getdirentries(td, &ap));
1976 #endif /* COMPAT_FREEBSD11 */
1978 #ifdef COMPAT_FREEBSD6
1979 /* versions with the 'int pad' argument */
1981 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap)
1984 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte,
1985 PAIR32TO64(off_t, uap->offset)));
1989 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap)
1992 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte,
1993 PAIR32TO64(off_t, uap->offset)));
1997 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap)
2002 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset),
2004 /* Expand the quad return into two parts for eax and edx */
2005 pos = *(off_t *)(td->td_retval);
2006 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
2007 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
2012 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap)
2015 return (kern_truncate(td, uap->path, UIO_USERSPACE,
2016 PAIR32TO64(off_t, uap->length)));
2020 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap)
2023 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length)));
2025 #endif /* COMPAT_FREEBSD6 */
2035 freebsd32_do_sendfile(struct thread *td,
2036 struct freebsd32_sendfile_args *uap, int compat)
2038 struct sf_hdtr32 hdtr32;
2039 struct sf_hdtr hdtr;
2040 struct uio *hdr_uio, *trl_uio;
2042 cap_rights_t rights;
2043 struct iovec32 *iov32;
2044 off_t offset, sbytes;
2047 offset = PAIR32TO64(off_t, uap->offset);
2051 hdr_uio = trl_uio = NULL;
2053 if (uap->hdtr != NULL) {
2054 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32));
2057 PTRIN_CP(hdtr32, hdtr, headers);
2058 CP(hdtr32, hdtr, hdr_cnt);
2059 PTRIN_CP(hdtr32, hdtr, trailers);
2060 CP(hdtr32, hdtr, trl_cnt);
2062 if (hdtr.headers != NULL) {
2063 iov32 = PTRIN(hdtr32.headers);
2064 error = freebsd32_copyinuio(iov32,
2065 hdtr32.hdr_cnt, &hdr_uio);
2068 #ifdef COMPAT_FREEBSD4
2070 * In FreeBSD < 5.0 the nbytes to send also included
2071 * the header. If compat is specified subtract the
2072 * header size from nbytes.
2075 if (uap->nbytes > hdr_uio->uio_resid)
2076 uap->nbytes -= hdr_uio->uio_resid;
2082 if (hdtr.trailers != NULL) {
2083 iov32 = PTRIN(hdtr32.trailers);
2084 error = freebsd32_copyinuio(iov32,
2085 hdtr32.trl_cnt, &trl_uio);
2091 AUDIT_ARG_FD(uap->fd);
2093 if ((error = fget_read(td, uap->fd,
2094 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0)
2097 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset,
2098 uap->nbytes, &sbytes, uap->flags, td);
2101 if (uap->sbytes != NULL)
2102 copyout(&sbytes, uap->sbytes, sizeof(off_t));
2106 free(hdr_uio, M_IOV);
2108 free(trl_uio, M_IOV);
2112 #ifdef COMPAT_FREEBSD4
2114 freebsd4_freebsd32_sendfile(struct thread *td,
2115 struct freebsd4_freebsd32_sendfile_args *uap)
2117 return (freebsd32_do_sendfile(td,
2118 (struct freebsd32_sendfile_args *)uap, 1));
2123 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap)
2126 return (freebsd32_do_sendfile(td, uap, 0));
2130 copy_stat(struct stat *in, struct stat32 *out)
2133 CP(*in, *out, st_dev);
2134 CP(*in, *out, st_ino);
2135 CP(*in, *out, st_mode);
2136 CP(*in, *out, st_nlink);
2137 CP(*in, *out, st_uid);
2138 CP(*in, *out, st_gid);
2139 CP(*in, *out, st_rdev);
2140 TS_CP(*in, *out, st_atim);
2141 TS_CP(*in, *out, st_mtim);
2142 TS_CP(*in, *out, st_ctim);
2143 CP(*in, *out, st_size);
2144 CP(*in, *out, st_blocks);
2145 CP(*in, *out, st_blksize);
2146 CP(*in, *out, st_flags);
2147 CP(*in, *out, st_gen);
2148 TS_CP(*in, *out, st_birthtim);
2149 out->st_padding0 = 0;
2150 out->st_padding1 = 0;
2151 #ifdef __STAT32_TIME_T_EXT
2152 out->st_atim_ext = 0;
2153 out->st_mtim_ext = 0;
2154 out->st_ctim_ext = 0;
2155 out->st_btim_ext = 0;
2157 bzero(out->st_spare, sizeof(out->st_spare));
2162 copy_ostat(struct stat *in, struct ostat32 *out)
2165 bzero(out, sizeof(*out));
2166 CP(*in, *out, st_dev);
2167 CP(*in, *out, st_ino);
2168 CP(*in, *out, st_mode);
2169 CP(*in, *out, st_nlink);
2170 CP(*in, *out, st_uid);
2171 CP(*in, *out, st_gid);
2172 CP(*in, *out, st_rdev);
2173 out->st_size = MIN(in->st_size, INT32_MAX);
2174 TS_CP(*in, *out, st_atim);
2175 TS_CP(*in, *out, st_mtim);
2176 TS_CP(*in, *out, st_ctim);
2177 CP(*in, *out, st_blksize);
2178 CP(*in, *out, st_blocks);
2179 CP(*in, *out, st_flags);
2180 CP(*in, *out, st_gen);
2186 ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap)
2189 struct ostat32 sb32;
2192 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE,
2196 copy_ostat(&sb, &sb32);
2197 error = copyout(&sb32, uap->ub, sizeof (sb32));
2203 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap)
2209 error = kern_fstat(td, uap->fd, &ub);
2212 copy_stat(&ub, &ub32);
2213 error = copyout(&ub32, uap->ub, sizeof(ub32));
2219 ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap)
2222 struct ostat32 ub32;
2225 error = kern_fstat(td, uap->fd, &ub);
2228 copy_ostat(&ub, &ub32);
2229 error = copyout(&ub32, uap->ub, sizeof(ub32));
2235 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap)
2241 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE,
2245 copy_stat(&ub, &ub32);
2246 error = copyout(&ub32, uap->buf, sizeof(ub32));
2252 ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap)
2255 struct ostat32 sb32;
2258 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path,
2259 UIO_USERSPACE, &sb, NULL);
2262 copy_ostat(&sb, &sb32);
2263 error = copyout(&sb32, uap->ub, sizeof (sb32));
2269 freebsd32_fhstat(struct thread *td, struct freebsd32_fhstat_args *uap)
2276 error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t));
2279 error = kern_fhstat(td, fh, &sb);
2282 copy_stat(&sb, &sb32);
2283 error = copyout(&sb32, uap->sb, sizeof (sb32));
2287 #if defined(COMPAT_FREEBSD11)
2288 extern int ino64_trunc_error;
2291 freebsd11_cvtstat32(struct stat *in, struct freebsd11_stat32 *out)
2294 CP(*in, *out, st_ino);
2295 if (in->st_ino != out->st_ino) {
2296 switch (ino64_trunc_error) {
2303 out->st_ino = UINT32_MAX;
2307 CP(*in, *out, st_nlink);
2308 if (in->st_nlink != out->st_nlink) {
2309 switch (ino64_trunc_error) {
2316 out->st_nlink = UINT16_MAX;
2320 out->st_dev = in->st_dev;
2321 if (out->st_dev != in->st_dev) {
2322 switch (ino64_trunc_error) {
2329 CP(*in, *out, st_mode);
2330 CP(*in, *out, st_uid);
2331 CP(*in, *out, st_gid);
2332 out->st_rdev = in->st_rdev;
2333 if (out->st_rdev != in->st_rdev) {
2334 switch (ino64_trunc_error) {
2341 TS_CP(*in, *out, st_atim);
2342 TS_CP(*in, *out, st_mtim);
2343 TS_CP(*in, *out, st_ctim);
2344 CP(*in, *out, st_size);
2345 CP(*in, *out, st_blocks);
2346 CP(*in, *out, st_blksize);
2347 CP(*in, *out, st_flags);
2348 CP(*in, *out, st_gen);
2349 TS_CP(*in, *out, st_birthtim);
2351 bzero((char *)&out->st_birthtim + sizeof(out->st_birthtim),
2352 sizeof(*out) - offsetof(struct freebsd11_stat32,
2353 st_birthtim) - sizeof(out->st_birthtim));
2358 freebsd11_freebsd32_stat(struct thread *td,
2359 struct freebsd11_freebsd32_stat_args *uap)
2362 struct freebsd11_stat32 sb32;
2365 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE,
2369 error = freebsd11_cvtstat32(&sb, &sb32);
2371 error = copyout(&sb32, uap->ub, sizeof (sb32));
2376 freebsd11_freebsd32_fstat(struct thread *td,
2377 struct freebsd11_freebsd32_fstat_args *uap)
2380 struct freebsd11_stat32 sb32;
2383 error = kern_fstat(td, uap->fd, &sb);
2386 error = freebsd11_cvtstat32(&sb, &sb32);
2388 error = copyout(&sb32, uap->ub, sizeof (sb32));
2393 freebsd11_freebsd32_fstatat(struct thread *td,
2394 struct freebsd11_freebsd32_fstatat_args *uap)
2397 struct freebsd11_stat32 sb32;
2400 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE,
2404 error = freebsd11_cvtstat32(&sb, &sb32);
2406 error = copyout(&sb32, uap->buf, sizeof (sb32));
2411 freebsd11_freebsd32_lstat(struct thread *td,
2412 struct freebsd11_freebsd32_lstat_args *uap)
2415 struct freebsd11_stat32 sb32;
2418 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path,
2419 UIO_USERSPACE, &sb, NULL);
2422 error = freebsd11_cvtstat32(&sb, &sb32);
2424 error = copyout(&sb32, uap->ub, sizeof (sb32));
2429 freebsd11_freebsd32_fhstat(struct thread *td,
2430 struct freebsd11_freebsd32_fhstat_args *uap)
2433 struct freebsd11_stat32 sb32;
2437 error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t));
2440 error = kern_fhstat(td, fh, &sb);
2443 error = freebsd11_cvtstat32(&sb, &sb32);
2445 error = copyout(&sb32, uap->sb, sizeof (sb32));
2451 freebsd32___sysctl(struct thread *td, struct freebsd32___sysctl_args *uap)
2453 int error, name[CTL_MAXNAME];
2457 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2)
2459 error = copyin(uap->name, name, uap->namelen * sizeof(int));
2463 error = fueword32(uap->oldlenp, &tmp);
2470 error = userland_sysctl(td, name, uap->namelen,
2471 uap->old, &oldlen, 1,
2472 uap->new, uap->newlen, &j, SCTL_MASK32);
2476 suword32(uap->oldlenp, j);
2481 freebsd32___sysctlbyname(struct thread *td,
2482 struct freebsd32___sysctlbyname_args *uap)
2488 if (uap->oldlenp != NULL) {
2489 error = fueword32(uap->oldlenp, &tmp);
2496 error = kern___sysctlbyname(td, uap->name, uap->namelen, uap->old,
2497 &oldlen, uap->new, uap->newlen, &rv, SCTL_MASK32, 1);
2500 if (uap->oldlenp != NULL)
2501 error = suword32(uap->oldlenp, rv);
2507 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap)
2513 error = copyin(uap->jail, &version, sizeof(uint32_t));
2520 /* FreeBSD single IPv4 jails. */
2521 struct jail32_v0 j32_v0;
2523 bzero(&j, sizeof(struct jail));
2524 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0));
2527 CP(j32_v0, j, version);
2528 PTRIN_CP(j32_v0, j, path);
2529 PTRIN_CP(j32_v0, j, hostname);
2530 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */
2536 * Version 1 was used by multi-IPv4 jail implementations
2537 * that never made it into the official kernel.
2541 case 2: /* JAIL_API_VERSION */
2543 /* FreeBSD multi-IPv4/IPv6,noIP jails. */
2546 error = copyin(uap->jail, &j32, sizeof(struct jail32));
2549 CP(j32, j, version);
2550 PTRIN_CP(j32, j, path);
2551 PTRIN_CP(j32, j, hostname);
2552 PTRIN_CP(j32, j, jailname);
2555 PTRIN_CP(j32, j, ip4);
2556 PTRIN_CP(j32, j, ip6);
2561 /* Sci-Fi jails are not supported, sorry. */
2564 return (kern_jail(td, &j));
2568 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap)
2573 /* Check that we have an even number of iovecs. */
2574 if (uap->iovcnt & 1)
2577 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2580 error = kern_jail_set(td, auio, uap->flags);
2586 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap)
2588 struct iovec32 iov32;
2592 /* Check that we have an even number of iovecs. */
2593 if (uap->iovcnt & 1)
2596 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2599 error = kern_jail_get(td, auio, uap->flags);
2601 for (i = 0; i < uap->iovcnt; i++) {
2602 PTROUT_CP(auio->uio_iov[i], iov32, iov_base);
2603 CP(auio->uio_iov[i], iov32, iov_len);
2604 error = copyout(&iov32, uap->iovp + i, sizeof(iov32));
2613 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap)
2615 struct sigaction32 s32;
2616 struct sigaction sa, osa, *sap;
2620 error = copyin(uap->act, &s32, sizeof(s32));
2623 sa.sa_handler = PTRIN(s32.sa_u);
2624 CP(s32, sa, sa_flags);
2625 CP(s32, sa, sa_mask);
2629 error = kern_sigaction(td, uap->sig, sap, &osa, 0);
2630 if (error == 0 && uap->oact != NULL) {
2631 s32.sa_u = PTROUT(osa.sa_handler);
2632 CP(osa, s32, sa_flags);
2633 CP(osa, s32, sa_mask);
2634 error = copyout(&s32, uap->oact, sizeof(s32));
2639 #ifdef COMPAT_FREEBSD4
2641 freebsd4_freebsd32_sigaction(struct thread *td,
2642 struct freebsd4_freebsd32_sigaction_args *uap)
2644 struct sigaction32 s32;
2645 struct sigaction sa, osa, *sap;
2649 error = copyin(uap->act, &s32, sizeof(s32));
2652 sa.sa_handler = PTRIN(s32.sa_u);
2653 CP(s32, sa, sa_flags);
2654 CP(s32, sa, sa_mask);
2658 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4);
2659 if (error == 0 && uap->oact != NULL) {
2660 s32.sa_u = PTROUT(osa.sa_handler);
2661 CP(osa, s32, sa_flags);
2662 CP(osa, s32, sa_mask);
2663 error = copyout(&s32, uap->oact, sizeof(s32));
2670 struct osigaction32 {
2679 ofreebsd32_sigaction(struct thread *td,
2680 struct ofreebsd32_sigaction_args *uap)
2682 struct osigaction32 s32;
2683 struct sigaction sa, osa, *sap;
2686 if (uap->signum <= 0 || uap->signum >= ONSIG)
2690 error = copyin(uap->nsa, &s32, sizeof(s32));
2693 sa.sa_handler = PTRIN(s32.sa_u);
2694 CP(s32, sa, sa_flags);
2695 OSIG2SIG(s32.sa_mask, sa.sa_mask);
2699 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2700 if (error == 0 && uap->osa != NULL) {
2701 s32.sa_u = PTROUT(osa.sa_handler);
2702 CP(osa, s32, sa_flags);
2703 SIG2OSIG(osa.sa_mask, s32.sa_mask);
2704 error = copyout(&s32, uap->osa, sizeof(s32));
2710 ofreebsd32_sigprocmask(struct thread *td,
2711 struct ofreebsd32_sigprocmask_args *uap)
2716 OSIG2SIG(uap->mask, set);
2717 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD);
2718 SIG2OSIG(oset, td->td_retval[0]);
2723 ofreebsd32_sigpending(struct thread *td,
2724 struct ofreebsd32_sigpending_args *uap)
2726 struct proc *p = td->td_proc;
2730 siglist = p->p_siglist;
2731 SIGSETOR(siglist, td->td_siglist);
2733 SIG2OSIG(siglist, td->td_retval[0]);
2738 u_int32_t sv_handler;
2744 ofreebsd32_sigvec(struct thread *td,
2745 struct ofreebsd32_sigvec_args *uap)
2747 struct sigvec32 vec;
2748 struct sigaction sa, osa, *sap;
2751 if (uap->signum <= 0 || uap->signum >= ONSIG)
2755 error = copyin(uap->nsv, &vec, sizeof(vec));
2758 sa.sa_handler = PTRIN(vec.sv_handler);
2759 OSIG2SIG(vec.sv_mask, sa.sa_mask);
2760 sa.sa_flags = vec.sv_flags;
2761 sa.sa_flags ^= SA_RESTART;
2765 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2766 if (error == 0 && uap->osv != NULL) {
2767 vec.sv_handler = PTROUT(osa.sa_handler);
2768 SIG2OSIG(osa.sa_mask, vec.sv_mask);
2769 vec.sv_flags = osa.sa_flags;
2770 vec.sv_flags &= ~SA_NOCLDWAIT;
2771 vec.sv_flags ^= SA_RESTART;
2772 error = copyout(&vec, uap->osv, sizeof(vec));
2778 ofreebsd32_sigblock(struct thread *td,
2779 struct ofreebsd32_sigblock_args *uap)
2783 OSIG2SIG(uap->mask, set);
2784 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0);
2785 SIG2OSIG(oset, td->td_retval[0]);
2790 ofreebsd32_sigsetmask(struct thread *td,
2791 struct ofreebsd32_sigsetmask_args *uap)
2795 OSIG2SIG(uap->mask, set);
2796 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0);
2797 SIG2OSIG(oset, td->td_retval[0]);
2802 ofreebsd32_sigsuspend(struct thread *td,
2803 struct ofreebsd32_sigsuspend_args *uap)
2807 OSIG2SIG(uap->mask, mask);
2808 return (kern_sigsuspend(td, mask));
2817 ofreebsd32_sigstack(struct thread *td,
2818 struct ofreebsd32_sigstack_args *uap)
2820 struct sigstack32 s32;
2821 struct sigstack nss, oss;
2822 int error = 0, unss;
2824 if (uap->nss != NULL) {
2825 error = copyin(uap->nss, &s32, sizeof(s32));
2828 nss.ss_sp = PTRIN(s32.ss_sp);
2829 CP(s32, nss, ss_onstack);
2834 oss.ss_sp = td->td_sigstk.ss_sp;
2835 oss.ss_onstack = sigonstack(cpu_getstack(td));
2837 td->td_sigstk.ss_sp = nss.ss_sp;
2838 td->td_sigstk.ss_size = 0;
2839 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK);
2840 td->td_pflags |= TDP_ALTSTACK;
2842 if (uap->oss != NULL) {
2843 s32.ss_sp = PTROUT(oss.ss_sp);
2844 CP(oss, s32, ss_onstack);
2845 error = copyout(&s32, uap->oss, sizeof(s32));
2852 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap)
2855 return (freebsd32_user_clock_nanosleep(td, CLOCK_REALTIME,
2856 TIMER_RELTIME, uap->rqtp, uap->rmtp));
2860 freebsd32_clock_nanosleep(struct thread *td,
2861 struct freebsd32_clock_nanosleep_args *uap)
2865 error = freebsd32_user_clock_nanosleep(td, uap->clock_id, uap->flags,
2866 uap->rqtp, uap->rmtp);
2867 return (kern_posix_error(td, error));
2871 freebsd32_user_clock_nanosleep(struct thread *td, clockid_t clock_id,
2872 int flags, const struct timespec32 *ua_rqtp, struct timespec32 *ua_rmtp)
2874 struct timespec32 rmt32, rqt32;
2875 struct timespec rmt, rqt;
2878 error = copyin(ua_rqtp, &rqt32, sizeof(rqt32));
2882 CP(rqt32, rqt, tv_sec);
2883 CP(rqt32, rqt, tv_nsec);
2885 error = kern_clock_nanosleep(td, clock_id, flags, &rqt, &rmt);
2886 if (error == EINTR && ua_rmtp != NULL && (flags & TIMER_ABSTIME) == 0) {
2887 CP(rmt, rmt32, tv_sec);
2888 CP(rmt, rmt32, tv_nsec);
2890 error2 = copyout(&rmt32, ua_rmtp, sizeof(rmt32));
2898 freebsd32_clock_gettime(struct thread *td,
2899 struct freebsd32_clock_gettime_args *uap)
2901 struct timespec ats;
2902 struct timespec32 ats32;
2905 error = kern_clock_gettime(td, uap->clock_id, &ats);
2907 CP(ats, ats32, tv_sec);
2908 CP(ats, ats32, tv_nsec);
2909 error = copyout(&ats32, uap->tp, sizeof(ats32));
2915 freebsd32_clock_settime(struct thread *td,
2916 struct freebsd32_clock_settime_args *uap)
2918 struct timespec ats;
2919 struct timespec32 ats32;
2922 error = copyin(uap->tp, &ats32, sizeof(ats32));
2925 CP(ats32, ats, tv_sec);
2926 CP(ats32, ats, tv_nsec);
2928 return (kern_clock_settime(td, uap->clock_id, &ats));
2932 freebsd32_clock_getres(struct thread *td,
2933 struct freebsd32_clock_getres_args *uap)
2936 struct timespec32 ts32;
2939 if (uap->tp == NULL)
2941 error = kern_clock_getres(td, uap->clock_id, &ts);
2943 CP(ts, ts32, tv_sec);
2944 CP(ts, ts32, tv_nsec);
2945 error = copyout(&ts32, uap->tp, sizeof(ts32));
2950 int freebsd32_ktimer_create(struct thread *td,
2951 struct freebsd32_ktimer_create_args *uap)
2953 struct sigevent32 ev32;
2954 struct sigevent ev, *evp;
2957 if (uap->evp == NULL) {
2961 error = copyin(uap->evp, &ev32, sizeof(ev32));
2964 error = convert_sigevent32(&ev32, &ev);
2968 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1);
2970 error = copyout(&id, uap->timerid, sizeof(int));
2972 kern_ktimer_delete(td, id);
2978 freebsd32_ktimer_settime(struct thread *td,
2979 struct freebsd32_ktimer_settime_args *uap)
2981 struct itimerspec32 val32, oval32;
2982 struct itimerspec val, oval, *ovalp;
2985 error = copyin(uap->value, &val32, sizeof(val32));
2989 ovalp = uap->ovalue != NULL ? &oval : NULL;
2990 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp);
2991 if (error == 0 && uap->ovalue != NULL) {
2992 ITS_CP(oval, oval32);
2993 error = copyout(&oval32, uap->ovalue, sizeof(oval32));
2999 freebsd32_ktimer_gettime(struct thread *td,
3000 struct freebsd32_ktimer_gettime_args *uap)
3002 struct itimerspec32 val32;
3003 struct itimerspec val;
3006 error = kern_ktimer_gettime(td, uap->timerid, &val);
3009 error = copyout(&val32, uap->value, sizeof(val32));
3015 freebsd32_clock_getcpuclockid2(struct thread *td,
3016 struct freebsd32_clock_getcpuclockid2_args *uap)
3021 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id),
3022 uap->which, &clk_id);
3024 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t));
3029 freebsd32_thr_new(struct thread *td,
3030 struct freebsd32_thr_new_args *uap)
3032 struct thr_param32 param32;
3033 struct thr_param param;
3036 if (uap->param_size < 0 ||
3037 uap->param_size > sizeof(struct thr_param32))
3039 bzero(¶m, sizeof(struct thr_param));
3040 bzero(¶m32, sizeof(struct thr_param32));
3041 error = copyin(uap->param, ¶m32, uap->param_size);
3044 param.start_func = PTRIN(param32.start_func);
3045 param.arg = PTRIN(param32.arg);
3046 param.stack_base = PTRIN(param32.stack_base);
3047 param.stack_size = param32.stack_size;
3048 param.tls_base = PTRIN(param32.tls_base);
3049 param.tls_size = param32.tls_size;
3050 param.child_tid = PTRIN(param32.child_tid);
3051 param.parent_tid = PTRIN(param32.parent_tid);
3052 param.flags = param32.flags;
3053 param.rtp = PTRIN(param32.rtp);
3054 param.spare[0] = PTRIN(param32.spare[0]);
3055 param.spare[1] = PTRIN(param32.spare[1]);
3056 param.spare[2] = PTRIN(param32.spare[2]);
3058 return (kern_thr_new(td, ¶m));
3062 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap)
3064 struct timespec32 ts32;
3065 struct timespec ts, *tsp;
3070 if (uap->timeout != NULL) {
3071 error = copyin((const void *)uap->timeout, (void *)&ts32,
3072 sizeof(struct timespec32));
3075 ts.tv_sec = ts32.tv_sec;
3076 ts.tv_nsec = ts32.tv_nsec;
3079 return (kern_thr_suspend(td, tsp));
3083 siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst)
3085 bzero(dst, sizeof(*dst));
3086 dst->si_signo = src->si_signo;
3087 dst->si_errno = src->si_errno;
3088 dst->si_code = src->si_code;
3089 dst->si_pid = src->si_pid;
3090 dst->si_uid = src->si_uid;
3091 dst->si_status = src->si_status;
3092 dst->si_addr = (uintptr_t)src->si_addr;
3093 dst->si_value.sival_int = src->si_value.sival_int;
3094 dst->si_timerid = src->si_timerid;
3095 dst->si_overrun = src->si_overrun;
3098 #ifndef _FREEBSD32_SYSPROTO_H_
3099 struct freebsd32_sigqueue_args {
3102 /* union sigval32 */ int value;
3106 freebsd32_sigqueue(struct thread *td, struct freebsd32_sigqueue_args *uap)
3111 * On 32-bit ABIs, sival_int and sival_ptr are the same.
3112 * On 64-bit little-endian ABIs, the low bits are the same.
3113 * In 64-bit big-endian ABIs, sival_int overlaps with
3114 * sival_ptr's HIGH bits. We choose to support sival_int
3115 * rather than sival_ptr in this case as it seems to be
3118 bzero(&sv, sizeof(sv));
3119 sv.sival_int = uap->value;
3121 return (kern_sigqueue(td, uap->pid, uap->signum, &sv));
3125 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap)
3127 struct timespec32 ts32;
3129 struct timespec *timeout;
3132 struct siginfo32 si32;
3136 error = copyin(uap->timeout, &ts32, sizeof(ts32));
3139 ts.tv_sec = ts32.tv_sec;
3140 ts.tv_nsec = ts32.tv_nsec;
3145 error = copyin(uap->set, &set, sizeof(set));
3149 error = kern_sigtimedwait(td, set, &ksi, timeout);
3154 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
3155 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
3159 td->td_retval[0] = ksi.ksi_signo;
3167 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap)
3170 struct siginfo32 si32;
3174 error = copyin(uap->set, &set, sizeof(set));
3178 error = kern_sigtimedwait(td, set, &ksi, NULL);
3183 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
3184 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
3187 td->td_retval[0] = ksi.ksi_signo;
3192 freebsd32_cpuset_setid(struct thread *td,
3193 struct freebsd32_cpuset_setid_args *uap)
3196 return (kern_cpuset_setid(td, uap->which,
3197 PAIR32TO64(id_t, uap->id), uap->setid));
3201 freebsd32_cpuset_getid(struct thread *td,
3202 struct freebsd32_cpuset_getid_args *uap)
3205 return (kern_cpuset_getid(td, uap->level, uap->which,
3206 PAIR32TO64(id_t, uap->id), uap->setid));
3210 freebsd32_cpuset_getaffinity(struct thread *td,
3211 struct freebsd32_cpuset_getaffinity_args *uap)
3214 return (kern_cpuset_getaffinity(td, uap->level, uap->which,
3215 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask));
3219 freebsd32_cpuset_setaffinity(struct thread *td,
3220 struct freebsd32_cpuset_setaffinity_args *uap)
3223 return (kern_cpuset_setaffinity(td, uap->level, uap->which,
3224 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask));
3228 freebsd32_cpuset_getdomain(struct thread *td,
3229 struct freebsd32_cpuset_getdomain_args *uap)
3232 return (kern_cpuset_getdomain(td, uap->level, uap->which,
3233 PAIR32TO64(id_t,uap->id), uap->domainsetsize, uap->mask, uap->policy));
3237 freebsd32_cpuset_setdomain(struct thread *td,
3238 struct freebsd32_cpuset_setdomain_args *uap)
3241 return (kern_cpuset_setdomain(td, uap->level, uap->which,
3242 PAIR32TO64(id_t,uap->id), uap->domainsetsize, uap->mask, uap->policy));
3246 freebsd32_nmount(struct thread *td,
3247 struct freebsd32_nmount_args /* {
3249 unsigned int iovcnt;
3258 * Mount flags are now 64-bits. On 32-bit archtectures only
3259 * 32-bits are passed in, but from here on everything handles
3260 * 64-bit flags correctly.
3264 AUDIT_ARG_FFLAGS(flags);
3267 * Filter out MNT_ROOTFS. We do not want clients of nmount() in
3268 * userspace to set this flag, but we must filter it out if we want
3269 * MNT_UPDATE on the root file system to work.
3270 * MNT_ROOTFS should only be set by the kernel when mounting its
3273 flags &= ~MNT_ROOTFS;
3276 * check that we have an even number of iovec's
3277 * and that we have at least two options.
3279 if ((uap->iovcnt & 1) || (uap->iovcnt < 4))
3282 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
3285 error = vfs_donmount(td, flags, auio);
3293 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap)
3295 struct yyy32 *p32, s32;
3296 struct yyy *p = NULL, s;
3301 error = copyin(uap->zzz, &s32, sizeof(s32));
3307 error = kern_xxx(td, p);
3312 error = copyout(&s32, p32, sizeof(s32));
3319 syscall32_module_handler(struct module *mod, int what, void *arg)
3322 return (kern_syscall_module_handler(freebsd32_sysent, mod, what, arg));
3326 syscall32_helper_register(struct syscall_helper_data *sd, int flags)
3329 return (kern_syscall_helper_register(freebsd32_sysent, sd, flags));
3333 syscall32_helper_unregister(struct syscall_helper_data *sd)
3336 return (kern_syscall_helper_unregister(freebsd32_sysent, sd));
3340 freebsd32_copyout_strings(struct image_params *imgp, uintptr_t *stack_base)
3345 uintptr_t destp, ustringp;
3346 struct freebsd32_ps_strings *arginfo;
3347 char canary[sizeof(long) * 8];
3348 int32_t pagesizes32[MAXPAGESIZES];
3349 size_t execpath_len;
3350 int error, szsigcode;
3353 * Calculate string base and vector table pointers.
3354 * Also deal with signal trampoline code for this exec type.
3356 if (imgp->execpath != NULL && imgp->auxargs != NULL)
3357 execpath_len = strlen(imgp->execpath) + 1;
3360 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent->
3362 imgp->ps_strings = arginfo;
3363 if (imgp->proc->p_sysent->sv_sigcode_base == 0)
3364 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode);
3367 destp = (uintptr_t)arginfo;
3372 if (szsigcode != 0) {
3374 destp = rounddown2(destp, sizeof(uint32_t));
3375 error = copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp,
3382 * Copy the image path for the rtld.
3384 if (execpath_len != 0) {
3385 destp -= execpath_len;
3386 imgp->execpathp = (void *)destp;
3387 error = copyout(imgp->execpath, imgp->execpathp, execpath_len);
3393 * Prepare the canary for SSP.
3395 arc4rand(canary, sizeof(canary), 0);
3396 destp -= sizeof(canary);
3397 imgp->canary = (void *)destp;
3398 error = copyout(canary, imgp->canary, sizeof(canary));
3401 imgp->canarylen = sizeof(canary);
3404 * Prepare the pagesizes array.
3406 for (i = 0; i < MAXPAGESIZES; i++)
3407 pagesizes32[i] = (uint32_t)pagesizes[i];
3408 destp -= sizeof(pagesizes32);
3409 destp = rounddown2(destp, sizeof(uint32_t));
3410 imgp->pagesizes = (void *)destp;
3411 error = copyout(pagesizes32, imgp->pagesizes, sizeof(pagesizes32));
3414 imgp->pagesizeslen = sizeof(pagesizes32);
3417 * Allocate room for the argument and environment strings.
3419 destp -= ARG_MAX - imgp->args->stringspace;
3420 destp = rounddown2(destp, sizeof(uint32_t));
3423 if (imgp->sysent->sv_stackgap != NULL)
3424 imgp->sysent->sv_stackgap(imgp, &destp);
3426 if (imgp->auxargs) {
3428 * Allocate room on the stack for the ELF auxargs
3429 * array. It has up to AT_COUNT entries.
3431 destp -= AT_COUNT * sizeof(Elf32_Auxinfo);
3432 destp = rounddown2(destp, sizeof(uint32_t));
3435 vectp = (uint32_t *)destp;
3438 * Allocate room for the argv[] and env vectors including the
3439 * terminating NULL pointers.
3441 vectp -= imgp->args->argc + 1 + imgp->args->envc + 1;
3444 * vectp also becomes our initial stack base
3446 *stack_base = (uintptr_t)vectp;
3448 stringp = imgp->args->begin_argv;
3449 argc = imgp->args->argc;
3450 envc = imgp->args->envc;
3452 * Copy out strings - arguments and environment.
3454 error = copyout(stringp, (void *)ustringp,
3455 ARG_MAX - imgp->args->stringspace);
3460 * Fill in "ps_strings" struct for ps, w, etc.
3463 if (suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp) != 0 ||
3464 suword32(&arginfo->ps_nargvstr, argc) != 0)
3468 * Fill in argument portion of vector table.
3470 for (; argc > 0; --argc) {
3471 if (suword32(vectp++, ustringp) != 0)
3473 while (*stringp++ != 0)
3478 /* a null vector table pointer separates the argp's from the envp's */
3479 if (suword32(vectp++, 0) != 0)
3483 if (suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp) != 0 ||
3484 suword32(&arginfo->ps_nenvstr, envc) != 0)
3488 * Fill in environment portion of vector table.
3490 for (; envc > 0; --envc) {
3491 if (suword32(vectp++, ustringp) != 0)
3493 while (*stringp++ != 0)
3498 /* end of vector table is a null pointer */
3499 if (suword32(vectp, 0) != 0)
3502 if (imgp->auxargs) {
3504 error = imgp->sysent->sv_copyout_auxargs(imgp,
3514 freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap)
3516 struct kld_file_stat *stat;
3517 struct kld32_file_stat *stat32;
3520 if ((error = copyin(&uap->stat->version, &version, sizeof(version)))
3523 if (version != sizeof(struct kld32_file_stat_1) &&
3524 version != sizeof(struct kld32_file_stat))
3527 stat = malloc(sizeof(*stat), M_TEMP, M_WAITOK | M_ZERO);
3528 stat32 = malloc(sizeof(*stat32), M_TEMP, M_WAITOK | M_ZERO);
3529 error = kern_kldstat(td, uap->fileid, stat);
3531 bcopy(&stat->name[0], &stat32->name[0], sizeof(stat->name));
3532 CP(*stat, *stat32, refs);
3533 CP(*stat, *stat32, id);
3534 PTROUT_CP(*stat, *stat32, address);
3535 CP(*stat, *stat32, size);
3536 bcopy(&stat->pathname[0], &stat32->pathname[0],
3537 sizeof(stat->pathname));
3538 stat32->version = version;
3539 error = copyout(stat32, uap->stat, version);
3542 free(stat32, M_TEMP);
3547 freebsd32_posix_fallocate(struct thread *td,
3548 struct freebsd32_posix_fallocate_args *uap)
3552 error = kern_posix_fallocate(td, uap->fd,
3553 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len));
3554 return (kern_posix_error(td, error));
3558 freebsd32_posix_fadvise(struct thread *td,
3559 struct freebsd32_posix_fadvise_args *uap)
3563 error = kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset),
3564 PAIR32TO64(off_t, uap->len), uap->advice);
3565 return (kern_posix_error(td, error));
3569 convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig)
3572 CP(*sig32, *sig, sigev_notify);
3573 switch (sig->sigev_notify) {
3576 case SIGEV_THREAD_ID:
3577 CP(*sig32, *sig, sigev_notify_thread_id);
3580 CP(*sig32, *sig, sigev_signo);
3581 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
3584 CP(*sig32, *sig, sigev_notify_kqueue);
3585 CP(*sig32, *sig, sigev_notify_kevent_flags);
3586 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
3595 freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap)
3599 struct procctl_reaper_status rs;
3600 struct procctl_reaper_pids rp;
3601 struct procctl_reaper_kill rk;
3604 struct procctl_reaper_pids32 rp;
3606 int error, error1, flags, signum;
3608 if (uap->com >= PROC_PROCCTL_MD_MIN)
3609 return (cpu_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id),
3610 uap->com, PTRIN(uap->data)));
3614 case PROC_PROTMAX_CTL:
3616 case PROC_STACKGAP_CTL:
3617 case PROC_TRACE_CTL:
3618 case PROC_TRAPCAP_CTL:
3619 error = copyin(PTRIN(uap->data), &flags, sizeof(flags));
3624 case PROC_REAP_ACQUIRE:
3625 case PROC_REAP_RELEASE:
3626 if (uap->data != NULL)
3630 case PROC_REAP_STATUS:
3633 case PROC_REAP_GETPIDS:
3634 error = copyin(uap->data, &x32.rp, sizeof(x32.rp));
3637 CP(x32.rp, x.rp, rp_count);
3638 PTRIN_CP(x32.rp, x.rp, rp_pids);
3641 case PROC_REAP_KILL:
3642 error = copyin(uap->data, &x.rk, sizeof(x.rk));
3647 case PROC_ASLR_STATUS:
3648 case PROC_PROTMAX_STATUS:
3649 case PROC_STACKGAP_STATUS:
3650 case PROC_TRACE_STATUS:
3651 case PROC_TRAPCAP_STATUS:
3654 case PROC_PDEATHSIG_CTL:
3655 error = copyin(uap->data, &signum, sizeof(signum));
3660 case PROC_PDEATHSIG_STATUS:
3666 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id),
3669 case PROC_REAP_STATUS:
3671 error = copyout(&x.rs, uap->data, sizeof(x.rs));
3673 case PROC_REAP_KILL:
3674 error1 = copyout(&x.rk, uap->data, sizeof(x.rk));
3678 case PROC_ASLR_STATUS:
3679 case PROC_PROTMAX_STATUS:
3680 case PROC_STACKGAP_STATUS:
3681 case PROC_TRACE_STATUS:
3682 case PROC_TRAPCAP_STATUS:
3684 error = copyout(&flags, uap->data, sizeof(flags));
3686 case PROC_PDEATHSIG_STATUS:
3688 error = copyout(&signum, uap->data, sizeof(signum));
3695 freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap)
3701 * Do unsigned conversion for arg when operation
3702 * interprets it as flags or pointer.
3704 case F_SETLK_REMOTE:
3713 tmp = (unsigned int)(uap->arg);
3719 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp));
3723 freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap)
3725 struct timespec32 ts32;
3726 struct timespec ts, *tsp;
3730 if (uap->ts != NULL) {
3731 error = copyin(uap->ts, &ts32, sizeof(ts32));
3734 CP(ts32, ts, tv_sec);
3735 CP(ts32, ts, tv_nsec);
3739 if (uap->set != NULL) {
3740 error = copyin(uap->set, &set, sizeof(set));
3747 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp));
3751 freebsd32_sched_rr_get_interval(struct thread *td,
3752 struct freebsd32_sched_rr_get_interval_args *uap)
3755 struct timespec32 ts32;
3758 error = kern_sched_rr_get_interval(td, uap->pid, &ts);
3760 CP(ts, ts32, tv_sec);
3761 CP(ts, ts32, tv_nsec);
3762 error = copyout(&ts32, uap->interval, sizeof(ts32));