freebsd32_misc.c revision 174380
1/*- 2 * Copyright (c) 2002 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/sys/compat/freebsd32/freebsd32_misc.c 174380 2007-12-06 23:23:16Z jhb $"); 29 30#include "opt_compat.h" 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/bus.h> 35#include <sys/clock.h> 36#include <sys/exec.h> 37#include <sys/fcntl.h> 38#include <sys/filedesc.h> 39#include <sys/namei.h> 40#include <sys/imgact.h> 41#include <sys/kernel.h> 42#include <sys/limits.h> 43#include <sys/lock.h> 44#include <sys/malloc.h> 45#include <sys/file.h> /* Must come after sys/malloc.h */ 46#include <sys/mbuf.h> 47#include <sys/mman.h> 48#include <sys/module.h> 49#include <sys/mount.h> 50#include <sys/mutex.h> 51#include <sys/proc.h> 52#include <sys/reboot.h> 53#include <sys/resource.h> 54#include <sys/resourcevar.h> 55#include <sys/selinfo.h> 56#include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 57#include <sys/pipe.h> /* Must come after sys/selinfo.h */ 58#include <sys/signal.h> 59#include <sys/signalvar.h> 60#include <sys/socket.h> 61#include <sys/socketvar.h> 62#include <sys/stat.h> 63#include <sys/syscall.h> 64#include <sys/syscallsubr.h> 65#include <sys/sysctl.h> 66#include <sys/sysent.h> 67#include <sys/sysproto.h> 68#include <sys/thr.h> 69#include <sys/unistd.h> 70#include <sys/ucontext.h> 71#include <sys/vnode.h> 72#include <sys/wait.h> 73#include <sys/ipc.h> 74#include <sys/shm.h> 75 76#include <vm/vm.h> 77#include <vm/vm_kern.h> 78#include <vm/vm_param.h> 79#include <vm/pmap.h> 80#include <vm/vm_map.h> 81#include <vm/vm_object.h> 82#include <vm/vm_extern.h> 83 84#include <machine/cpu.h> 85 86#include <compat/freebsd32/freebsd32_util.h> 87#include <compat/freebsd32/freebsd32.h> 88#include <compat/freebsd32/freebsd32_ipc.h> 89#include <compat/freebsd32/freebsd32_signal.h> 90#include <compat/freebsd32/freebsd32_proto.h> 91 92CTASSERT(sizeof(struct timeval32) == 8); 93CTASSERT(sizeof(struct timespec32) == 8); 94CTASSERT(sizeof(struct itimerval32) == 16); 95CTASSERT(sizeof(struct statfs32) == 256); 96CTASSERT(sizeof(struct rusage32) == 72); 97CTASSERT(sizeof(struct sigaltstack32) == 12); 98CTASSERT(sizeof(struct kevent32) == 20); 99CTASSERT(sizeof(struct iovec32) == 8); 100CTASSERT(sizeof(struct msghdr32) == 28); 101CTASSERT(sizeof(struct stat32) == 96); 102CTASSERT(sizeof(struct sigaction32) == 24); 103 104static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 105static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 106 107int 108freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 109{ 110 int error, status; 111 struct rusage32 ru32; 112 struct rusage ru, *rup; 113 114 if (uap->rusage != NULL) 115 rup = &ru; 116 else 117 rup = NULL; 118 error = kern_wait(td, uap->pid, &status, uap->options, rup); 119 if (error) 120 return (error); 121 if (uap->status != NULL) 122 error = copyout(&status, uap->status, sizeof(status)); 123 if (uap->rusage != NULL && error == 0) { 124 TV_CP(ru, ru32, ru_utime); 125 TV_CP(ru, ru32, ru_stime); 126 CP(ru, ru32, ru_maxrss); 127 CP(ru, ru32, ru_ixrss); 128 CP(ru, ru32, ru_idrss); 129 CP(ru, ru32, ru_isrss); 130 CP(ru, ru32, ru_minflt); 131 CP(ru, ru32, ru_majflt); 132 CP(ru, ru32, ru_nswap); 133 CP(ru, ru32, ru_inblock); 134 CP(ru, ru32, ru_oublock); 135 CP(ru, ru32, ru_msgsnd); 136 CP(ru, ru32, ru_msgrcv); 137 CP(ru, ru32, ru_nsignals); 138 CP(ru, ru32, ru_nvcsw); 139 CP(ru, ru32, ru_nivcsw); 140 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 141 } 142 return (error); 143} 144 145#ifdef COMPAT_FREEBSD4 146static int 147copy_statfs(struct statfs *in, struct statfs32 *out) 148{ 149 int error; 150 151 error = statfs_scale_blocks(in, INT32_MAX); 152 if (error) 153 return (error); 154 bzero(out, sizeof(*out)); 155 CP(*in, *out, f_bsize); 156 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 157 CP(*in, *out, f_blocks); 158 CP(*in, *out, f_bfree); 159 CP(*in, *out, f_bavail); 160 out->f_files = MIN(in->f_files, INT32_MAX); 161 if (in->f_ffree < 0) 162 out->f_ffree = MAX(in->f_ffree, INT32_MIN); 163 else 164 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 165 CP(*in, *out, f_fsid); 166 CP(*in, *out, f_owner); 167 CP(*in, *out, f_type); 168 CP(*in, *out, f_flags); 169 CP(*in, *out, f_syncwrites); 170 CP(*in, *out, f_asyncwrites); 171 strlcpy(out->f_fstypename, 172 in->f_fstypename, MFSNAMELEN); 173 strlcpy(out->f_mntonname, 174 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 175 CP(*in, *out, f_syncreads); 176 CP(*in, *out, f_asyncreads); 177 strlcpy(out->f_mntfromname, 178 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 179 return (0); 180} 181#endif 182 183#ifdef COMPAT_FREEBSD4 184int 185freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 186{ 187 struct statfs *buf, *sp; 188 struct statfs32 stat32; 189 size_t count, size; 190 int error; 191 192 count = uap->bufsize / sizeof(struct statfs32); 193 size = count * sizeof(struct statfs); 194 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 195 if (size > 0) { 196 count = td->td_retval[0]; 197 sp = buf; 198 while (count > 0 && error == 0) { 199 error = copy_statfs(sp, &stat32); 200 if (error) 201 break; 202 error = copyout(&stat32, uap->buf, sizeof(stat32)); 203 sp++; 204 uap->buf++; 205 count--; 206 } 207 free(buf, M_TEMP); 208 } 209 return (error); 210} 211#endif 212 213int 214freebsd32_sigaltstack(struct thread *td, 215 struct freebsd32_sigaltstack_args *uap) 216{ 217 struct sigaltstack32 s32; 218 struct sigaltstack ss, oss, *ssp; 219 int error; 220 221 if (uap->ss != NULL) { 222 error = copyin(uap->ss, &s32, sizeof(s32)); 223 if (error) 224 return (error); 225 PTRIN_CP(s32, ss, ss_sp); 226 CP(s32, ss, ss_size); 227 CP(s32, ss, ss_flags); 228 ssp = &ss; 229 } else 230 ssp = NULL; 231 error = kern_sigaltstack(td, ssp, &oss); 232 if (error == 0 && uap->oss != NULL) { 233 PTROUT_CP(oss, s32, ss_sp); 234 CP(oss, s32, ss_size); 235 CP(oss, s32, ss_flags); 236 error = copyout(&s32, uap->oss, sizeof(s32)); 237 } 238 return (error); 239} 240 241/* 242 * Custom version of exec_copyin_args() so that we can translate 243 * the pointers. 244 */ 245static int 246freebsd32_exec_copyin_args(struct image_args *args, char *fname, 247 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 248{ 249 char *argp, *envp; 250 u_int32_t *p32, arg; 251 size_t length; 252 int error; 253 254 bzero(args, sizeof(*args)); 255 if (argv == NULL) 256 return (EFAULT); 257 258 /* 259 * Allocate temporary demand zeroed space for argument and 260 * environment strings 261 */ 262 args->buf = (char *) kmem_alloc_wait(exec_map, 263 PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 264 if (args->buf == NULL) 265 return (ENOMEM); 266 args->begin_argv = args->buf; 267 args->endp = args->begin_argv; 268 args->stringspace = ARG_MAX; 269 270 args->fname = args->buf + ARG_MAX; 271 272 /* 273 * Copy the file name. 274 */ 275 error = (segflg == UIO_SYSSPACE) ? 276 copystr(fname, args->fname, PATH_MAX, &length) : 277 copyinstr(fname, args->fname, PATH_MAX, &length); 278 if (error != 0) 279 goto err_exit; 280 281 /* 282 * extract arguments first 283 */ 284 p32 = argv; 285 for (;;) { 286 error = copyin(p32++, &arg, sizeof(arg)); 287 if (error) 288 goto err_exit; 289 if (arg == 0) 290 break; 291 argp = PTRIN(arg); 292 error = copyinstr(argp, args->endp, args->stringspace, &length); 293 if (error) { 294 if (error == ENAMETOOLONG) 295 error = E2BIG; 296 goto err_exit; 297 } 298 args->stringspace -= length; 299 args->endp += length; 300 args->argc++; 301 } 302 303 args->begin_envv = args->endp; 304 305 /* 306 * extract environment strings 307 */ 308 if (envv) { 309 p32 = envv; 310 for (;;) { 311 error = copyin(p32++, &arg, sizeof(arg)); 312 if (error) 313 goto err_exit; 314 if (arg == 0) 315 break; 316 envp = PTRIN(arg); 317 error = copyinstr(envp, args->endp, args->stringspace, 318 &length); 319 if (error) { 320 if (error == ENAMETOOLONG) 321 error = E2BIG; 322 goto err_exit; 323 } 324 args->stringspace -= length; 325 args->endp += length; 326 args->envc++; 327 } 328 } 329 330 return (0); 331 332err_exit: 333 kmem_free_wakeup(exec_map, (vm_offset_t)args->buf, 334 PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 335 args->buf = NULL; 336 return (error); 337} 338 339int 340freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 341{ 342 struct image_args eargs; 343 int error; 344 345 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 346 uap->argv, uap->envv); 347 if (error == 0) 348 error = kern_execve(td, &eargs, NULL); 349 return (error); 350} 351 352#ifdef __ia64__ 353static int 354freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 355 int prot, int fd, off_t pos) 356{ 357 vm_map_t map; 358 vm_map_entry_t entry; 359 int rv; 360 361 map = &td->td_proc->p_vmspace->vm_map; 362 if (fd != -1) 363 prot |= VM_PROT_WRITE; 364 365 if (vm_map_lookup_entry(map, start, &entry)) { 366 if ((entry->protection & prot) != prot) { 367 rv = vm_map_protect(map, 368 trunc_page(start), 369 round_page(end), 370 entry->protection | prot, 371 FALSE); 372 if (rv != KERN_SUCCESS) 373 return (EINVAL); 374 } 375 } else { 376 vm_offset_t addr = trunc_page(start); 377 rv = vm_map_find(map, 0, 0, 378 &addr, PAGE_SIZE, FALSE, prot, 379 VM_PROT_ALL, 0); 380 if (rv != KERN_SUCCESS) 381 return (EINVAL); 382 } 383 384 if (fd != -1) { 385 struct pread_args r; 386 r.fd = fd; 387 r.buf = (void *) start; 388 r.nbyte = end - start; 389 r.offset = pos; 390 return (pread(td, &r)); 391 } else { 392 while (start < end) { 393 subyte((void *) start, 0); 394 start++; 395 } 396 return (0); 397 } 398} 399#endif 400 401int 402freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 403{ 404 struct mmap_args ap; 405 vm_offset_t addr = (vm_offset_t) uap->addr; 406 vm_size_t len = uap->len; 407 int prot = uap->prot; 408 int flags = uap->flags; 409 int fd = uap->fd; 410 off_t pos = (uap->poslo 411 | ((off_t)uap->poshi << 32)); 412#ifdef __ia64__ 413 vm_size_t pageoff; 414 int error; 415 416 /* 417 * Attempt to handle page size hassles. 418 */ 419 pageoff = (pos & PAGE_MASK); 420 if (flags & MAP_FIXED) { 421 vm_offset_t start, end; 422 start = addr; 423 end = addr + len; 424 425 if (start != trunc_page(start)) { 426 error = freebsd32_mmap_partial(td, start, 427 round_page(start), prot, 428 fd, pos); 429 if (fd != -1) 430 pos += round_page(start) - start; 431 start = round_page(start); 432 } 433 if (end != round_page(end)) { 434 vm_offset_t t = trunc_page(end); 435 error = freebsd32_mmap_partial(td, t, end, 436 prot, fd, 437 pos + t - start); 438 end = trunc_page(end); 439 } 440 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 441 /* 442 * We can't map this region at all. The specified 443 * address doesn't have the same alignment as the file 444 * position. Fake the mapping by simply reading the 445 * entire region into memory. First we need to make 446 * sure the region exists. 447 */ 448 vm_map_t map; 449 struct pread_args r; 450 int rv; 451 452 prot |= VM_PROT_WRITE; 453 map = &td->td_proc->p_vmspace->vm_map; 454 rv = vm_map_remove(map, start, end); 455 if (rv != KERN_SUCCESS) 456 return (EINVAL); 457 rv = vm_map_find(map, 0, 0, 458 &start, end - start, FALSE, 459 prot, VM_PROT_ALL, 0); 460 if (rv != KERN_SUCCESS) 461 return (EINVAL); 462 r.fd = fd; 463 r.buf = (void *) start; 464 r.nbyte = end - start; 465 r.offset = pos; 466 error = pread(td, &r); 467 if (error) 468 return (error); 469 470 td->td_retval[0] = addr; 471 return (0); 472 } 473 if (end == start) { 474 /* 475 * After dealing with the ragged ends, there 476 * might be none left. 477 */ 478 td->td_retval[0] = addr; 479 return (0); 480 } 481 addr = start; 482 len = end - start; 483 } 484#endif 485 486 ap.addr = (void *) addr; 487 ap.len = len; 488 ap.prot = prot; 489 ap.flags = flags; 490 ap.fd = fd; 491 ap.pos = pos; 492 493 return (mmap(td, &ap)); 494} 495 496#ifdef COMPAT_FREEBSD6 497int 498freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 499{ 500 struct freebsd32_mmap_args ap; 501 502 ap.addr = uap->addr; 503 ap.len = uap->len; 504 ap.prot = uap->prot; 505 ap.flags = uap->flags; 506 ap.fd = uap->fd; 507 ap.poslo = uap->poslo; 508 ap.poshi = uap->poshi; 509 510 return (freebsd32_mmap(td, &ap)); 511} 512#endif 513 514int 515freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 516{ 517 struct itimerval itv, oitv, *itvp; 518 struct itimerval32 i32; 519 int error; 520 521 if (uap->itv != NULL) { 522 error = copyin(uap->itv, &i32, sizeof(i32)); 523 if (error) 524 return (error); 525 TV_CP(i32, itv, it_interval); 526 TV_CP(i32, itv, it_value); 527 itvp = &itv; 528 } else 529 itvp = NULL; 530 error = kern_setitimer(td, uap->which, itvp, &oitv); 531 if (error || uap->oitv == NULL) 532 return (error); 533 TV_CP(oitv, i32, it_interval); 534 TV_CP(oitv, i32, it_value); 535 return (copyout(&i32, uap->oitv, sizeof(i32))); 536} 537 538int 539freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 540{ 541 struct itimerval itv; 542 struct itimerval32 i32; 543 int error; 544 545 error = kern_getitimer(td, uap->which, &itv); 546 if (error || uap->itv == NULL) 547 return (error); 548 TV_CP(itv, i32, it_interval); 549 TV_CP(itv, i32, it_value); 550 return (copyout(&i32, uap->itv, sizeof(i32))); 551} 552 553int 554freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 555{ 556 struct timeval32 tv32; 557 struct timeval tv, *tvp; 558 int error; 559 560 if (uap->tv != NULL) { 561 error = copyin(uap->tv, &tv32, sizeof(tv32)); 562 if (error) 563 return (error); 564 CP(tv32, tv, tv_sec); 565 CP(tv32, tv, tv_usec); 566 tvp = &tv; 567 } else 568 tvp = NULL; 569 /* 570 * XXX big-endian needs to convert the fd_sets too. 571 * XXX Do pointers need PTRIN()? 572 */ 573 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp)); 574} 575 576/* 577 * Copy 'count' items into the destination list pointed to by uap->eventlist. 578 */ 579static int 580freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 581{ 582 struct freebsd32_kevent_args *uap; 583 struct kevent32 ks32[KQ_NEVENTS]; 584 int i, error = 0; 585 586 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 587 uap = (struct freebsd32_kevent_args *)arg; 588 589 for (i = 0; i < count; i++) { 590 CP(kevp[i], ks32[i], ident); 591 CP(kevp[i], ks32[i], filter); 592 CP(kevp[i], ks32[i], flags); 593 CP(kevp[i], ks32[i], fflags); 594 CP(kevp[i], ks32[i], data); 595 PTROUT_CP(kevp[i], ks32[i], udata); 596 } 597 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 598 if (error == 0) 599 uap->eventlist += count; 600 return (error); 601} 602 603/* 604 * Copy 'count' items from the list pointed to by uap->changelist. 605 */ 606static int 607freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 608{ 609 struct freebsd32_kevent_args *uap; 610 struct kevent32 ks32[KQ_NEVENTS]; 611 int i, error = 0; 612 613 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 614 uap = (struct freebsd32_kevent_args *)arg; 615 616 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 617 if (error) 618 goto done; 619 uap->changelist += count; 620 621 for (i = 0; i < count; i++) { 622 CP(ks32[i], kevp[i], ident); 623 CP(ks32[i], kevp[i], filter); 624 CP(ks32[i], kevp[i], flags); 625 CP(ks32[i], kevp[i], fflags); 626 CP(ks32[i], kevp[i], data); 627 PTRIN_CP(ks32[i], kevp[i], udata); 628 } 629done: 630 return (error); 631} 632 633int 634freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 635{ 636 struct timespec32 ts32; 637 struct timespec ts, *tsp; 638 struct kevent_copyops k_ops = { uap, 639 freebsd32_kevent_copyout, 640 freebsd32_kevent_copyin}; 641 int error; 642 643 644 if (uap->timeout) { 645 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 646 if (error) 647 return (error); 648 CP(ts32, ts, tv_sec); 649 CP(ts32, ts, tv_nsec); 650 tsp = &ts; 651 } else 652 tsp = NULL; 653 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 654 &k_ops, tsp); 655 return (error); 656} 657 658int 659freebsd32_gettimeofday(struct thread *td, 660 struct freebsd32_gettimeofday_args *uap) 661{ 662 struct timeval atv; 663 struct timeval32 atv32; 664 struct timezone rtz; 665 int error = 0; 666 667 if (uap->tp) { 668 microtime(&atv); 669 CP(atv, atv32, tv_sec); 670 CP(atv, atv32, tv_usec); 671 error = copyout(&atv32, uap->tp, sizeof (atv32)); 672 } 673 if (error == 0 && uap->tzp != NULL) { 674 rtz.tz_minuteswest = tz_minuteswest; 675 rtz.tz_dsttime = tz_dsttime; 676 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 677 } 678 return (error); 679} 680 681int 682freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 683{ 684 struct rusage32 s32; 685 struct rusage s; 686 int error; 687 688 error = kern_getrusage(td, uap->who, &s); 689 if (error) 690 return (error); 691 if (uap->rusage != NULL) { 692 TV_CP(s, s32, ru_utime); 693 TV_CP(s, s32, ru_stime); 694 CP(s, s32, ru_maxrss); 695 CP(s, s32, ru_ixrss); 696 CP(s, s32, ru_idrss); 697 CP(s, s32, ru_isrss); 698 CP(s, s32, ru_minflt); 699 CP(s, s32, ru_majflt); 700 CP(s, s32, ru_nswap); 701 CP(s, s32, ru_inblock); 702 CP(s, s32, ru_oublock); 703 CP(s, s32, ru_msgsnd); 704 CP(s, s32, ru_msgrcv); 705 CP(s, s32, ru_nsignals); 706 CP(s, s32, ru_nvcsw); 707 CP(s, s32, ru_nivcsw); 708 error = copyout(&s32, uap->rusage, sizeof(s32)); 709 } 710 return (error); 711} 712 713static int 714freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 715{ 716 struct iovec32 iov32; 717 struct iovec *iov; 718 struct uio *uio; 719 u_int iovlen; 720 int error, i; 721 722 *uiop = NULL; 723 if (iovcnt > UIO_MAXIOV) 724 return (EINVAL); 725 iovlen = iovcnt * sizeof(struct iovec); 726 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 727 iov = (struct iovec *)(uio + 1); 728 for (i = 0; i < iovcnt; i++) { 729 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 730 if (error) { 731 free(uio, M_IOV); 732 return (error); 733 } 734 iov[i].iov_base = PTRIN(iov32.iov_base); 735 iov[i].iov_len = iov32.iov_len; 736 } 737 uio->uio_iov = iov; 738 uio->uio_iovcnt = iovcnt; 739 uio->uio_segflg = UIO_USERSPACE; 740 uio->uio_offset = -1; 741 uio->uio_resid = 0; 742 for (i = 0; i < iovcnt; i++) { 743 if (iov->iov_len > INT_MAX - uio->uio_resid) { 744 free(uio, M_IOV); 745 return (EINVAL); 746 } 747 uio->uio_resid += iov->iov_len; 748 iov++; 749 } 750 *uiop = uio; 751 return (0); 752} 753 754int 755freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 756{ 757 struct uio *auio; 758 int error; 759 760 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 761 if (error) 762 return (error); 763 error = kern_readv(td, uap->fd, auio); 764 free(auio, M_IOV); 765 return (error); 766} 767 768int 769freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 770{ 771 struct uio *auio; 772 int error; 773 774 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 775 if (error) 776 return (error); 777 error = kern_writev(td, uap->fd, auio); 778 free(auio, M_IOV); 779 return (error); 780} 781 782int 783freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 784{ 785 struct uio *auio; 786 int error; 787 788 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 789 if (error) 790 return (error); 791 error = kern_preadv(td, uap->fd, auio, uap->offset); 792 free(auio, M_IOV); 793 return (error); 794} 795 796int 797freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 798{ 799 struct uio *auio; 800 int error; 801 802 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 803 if (error) 804 return (error); 805 error = kern_pwritev(td, uap->fd, auio, uap->offset); 806 free(auio, M_IOV); 807 return (error); 808} 809 810static int 811freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 812 int error) 813{ 814 struct iovec32 iov32; 815 struct iovec *iov; 816 u_int iovlen; 817 int i; 818 819 *iovp = NULL; 820 if (iovcnt > UIO_MAXIOV) 821 return (error); 822 iovlen = iovcnt * sizeof(struct iovec); 823 iov = malloc(iovlen, M_IOV, M_WAITOK); 824 for (i = 0; i < iovcnt; i++) { 825 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 826 if (error) { 827 free(iov, M_IOV); 828 return (error); 829 } 830 iov[i].iov_base = PTRIN(iov32.iov_base); 831 iov[i].iov_len = iov32.iov_len; 832 } 833 *iovp = iov; 834 return (0); 835} 836 837static int 838freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 839{ 840 struct msghdr32 m32; 841 int error; 842 843 error = copyin(msg32, &m32, sizeof(m32)); 844 if (error) 845 return (error); 846 msg->msg_name = PTRIN(m32.msg_name); 847 msg->msg_namelen = m32.msg_namelen; 848 msg->msg_iov = PTRIN(m32.msg_iov); 849 msg->msg_iovlen = m32.msg_iovlen; 850 msg->msg_control = PTRIN(m32.msg_control); 851 msg->msg_controllen = m32.msg_controllen; 852 msg->msg_flags = m32.msg_flags; 853 return (0); 854} 855 856static int 857freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 858{ 859 struct msghdr32 m32; 860 int error; 861 862 m32.msg_name = PTROUT(msg->msg_name); 863 m32.msg_namelen = msg->msg_namelen; 864 m32.msg_iov = PTROUT(msg->msg_iov); 865 m32.msg_iovlen = msg->msg_iovlen; 866 m32.msg_control = PTROUT(msg->msg_control); 867 m32.msg_controllen = msg->msg_controllen; 868 m32.msg_flags = msg->msg_flags; 869 error = copyout(&m32, msg32, sizeof(m32)); 870 return (error); 871} 872 873#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 874#define FREEBSD32_ALIGN(p) \ 875 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 876#define FREEBSD32_CMSG_SPACE(l) \ 877 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 878 879#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 880 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 881static int 882freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 883{ 884 struct cmsghdr *cm; 885 void *data; 886 socklen_t clen, datalen; 887 int error; 888 caddr_t ctlbuf; 889 int len, maxlen, copylen; 890 struct mbuf *m; 891 error = 0; 892 893 len = msg->msg_controllen; 894 maxlen = msg->msg_controllen; 895 msg->msg_controllen = 0; 896 897 m = control; 898 ctlbuf = msg->msg_control; 899 900 while (m && len > 0) { 901 cm = mtod(m, struct cmsghdr *); 902 clen = m->m_len; 903 904 while (cm != NULL) { 905 906 if (sizeof(struct cmsghdr) > clen || 907 cm->cmsg_len > clen) { 908 error = EINVAL; 909 break; 910 } 911 912 data = CMSG_DATA(cm); 913 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 914 915 /* Adjust message length */ 916 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 917 datalen; 918 919 920 /* Copy cmsghdr */ 921 copylen = sizeof(struct cmsghdr); 922 if (len < copylen) { 923 msg->msg_flags |= MSG_CTRUNC; 924 copylen = len; 925 } 926 927 error = copyout(cm,ctlbuf,copylen); 928 if (error) 929 goto exit; 930 931 ctlbuf += FREEBSD32_ALIGN(copylen); 932 len -= FREEBSD32_ALIGN(copylen); 933 934 if (len <= 0) 935 break; 936 937 /* Copy data */ 938 copylen = datalen; 939 if (len < copylen) { 940 msg->msg_flags |= MSG_CTRUNC; 941 copylen = len; 942 } 943 944 error = copyout(data,ctlbuf,copylen); 945 if (error) 946 goto exit; 947 948 ctlbuf += FREEBSD32_ALIGN(copylen); 949 len -= FREEBSD32_ALIGN(copylen); 950 951 if (CMSG_SPACE(datalen) < clen) { 952 clen -= CMSG_SPACE(datalen); 953 cm = (struct cmsghdr *) 954 ((caddr_t)cm + CMSG_SPACE(datalen)); 955 } else { 956 clen = 0; 957 cm = NULL; 958 } 959 } 960 m = m->m_next; 961 } 962 963 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 964 965exit: 966 return (error); 967 968} 969 970int 971freebsd32_recvmsg(td, uap) 972 struct thread *td; 973 struct freebsd32_recvmsg_args /* { 974 int s; 975 struct msghdr32 *msg; 976 int flags; 977 } */ *uap; 978{ 979 struct msghdr msg; 980 struct msghdr32 m32; 981 struct iovec *uiov, *iov; 982 struct mbuf *control = NULL; 983 struct mbuf **controlp; 984 985 int error; 986 error = copyin(uap->msg, &m32, sizeof(m32)); 987 if (error) 988 return (error); 989 error = freebsd32_copyinmsghdr(uap->msg, &msg); 990 if (error) 991 return (error); 992 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 993 EMSGSIZE); 994 if (error) 995 return (error); 996 msg.msg_flags = uap->flags; 997 uiov = msg.msg_iov; 998 msg.msg_iov = iov; 999 1000 controlp = (msg.msg_control != NULL) ? &control : NULL; 1001 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1002 if (error == 0) { 1003 msg.msg_iov = uiov; 1004 1005 if (control != NULL) 1006 error = freebsd32_copy_msg_out(&msg, control); 1007 1008 if (error == 0) 1009 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1010 } 1011 free(iov, M_IOV); 1012 1013 if (control != NULL) 1014 m_freem(control); 1015 1016 return (error); 1017} 1018 1019 1020static int 1021freebsd32_convert_msg_in(struct mbuf **controlp) 1022{ 1023 struct mbuf *control = *controlp; 1024 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1025 void *data; 1026 socklen_t clen = control->m_len, datalen; 1027 int error; 1028 1029 error = 0; 1030 *controlp = NULL; 1031 1032 while (cm != NULL) { 1033 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1034 error = EINVAL; 1035 break; 1036 } 1037 1038 data = FREEBSD32_CMSG_DATA(cm); 1039 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1040 1041 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1042 cm->cmsg_level); 1043 controlp = &(*controlp)->m_next; 1044 1045 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1046 clen -= FREEBSD32_CMSG_SPACE(datalen); 1047 cm = (struct cmsghdr *) 1048 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1049 } else { 1050 clen = 0; 1051 cm = NULL; 1052 } 1053 } 1054 1055 m_freem(control); 1056 return (error); 1057} 1058 1059 1060int 1061freebsd32_sendmsg(struct thread *td, 1062 struct freebsd32_sendmsg_args *uap) 1063{ 1064 struct msghdr msg; 1065 struct msghdr32 m32; 1066 struct iovec *iov; 1067 struct mbuf *control = NULL; 1068 struct sockaddr *to = NULL; 1069 int error; 1070 1071 error = copyin(uap->msg, &m32, sizeof(m32)); 1072 if (error) 1073 return (error); 1074 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1075 if (error) 1076 return (error); 1077 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1078 EMSGSIZE); 1079 if (error) 1080 return (error); 1081 msg.msg_iov = iov; 1082 if (msg.msg_name != NULL) { 1083 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1084 if (error) { 1085 to = NULL; 1086 goto out; 1087 } 1088 msg.msg_name = to; 1089 } 1090 1091 if (msg.msg_control) { 1092 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1093 error = EINVAL; 1094 goto out; 1095 } 1096 1097 error = sockargs(&control, msg.msg_control, 1098 msg.msg_controllen, MT_CONTROL); 1099 if (error) 1100 goto out; 1101 1102 error = freebsd32_convert_msg_in(&control); 1103 if (error) 1104 goto out; 1105 } 1106 1107 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1108 UIO_USERSPACE); 1109 1110out: 1111 free(iov, M_IOV); 1112 if (to) 1113 free(to, M_SONAME); 1114 return (error); 1115} 1116 1117int 1118freebsd32_recvfrom(struct thread *td, 1119 struct freebsd32_recvfrom_args *uap) 1120{ 1121 struct msghdr msg; 1122 struct iovec aiov; 1123 int error; 1124 1125 if (uap->fromlenaddr) { 1126 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1127 sizeof(msg.msg_namelen)); 1128 if (error) 1129 return (error); 1130 } else { 1131 msg.msg_namelen = 0; 1132 } 1133 1134 msg.msg_name = PTRIN(uap->from); 1135 msg.msg_iov = &aiov; 1136 msg.msg_iovlen = 1; 1137 aiov.iov_base = PTRIN(uap->buf); 1138 aiov.iov_len = uap->len; 1139 msg.msg_control = NULL; 1140 msg.msg_flags = uap->flags; 1141 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1142 if (error == 0 && uap->fromlenaddr) 1143 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1144 sizeof (msg.msg_namelen)); 1145 return (error); 1146} 1147 1148int 1149freebsd32_settimeofday(struct thread *td, 1150 struct freebsd32_settimeofday_args *uap) 1151{ 1152 struct timeval32 tv32; 1153 struct timeval tv, *tvp; 1154 struct timezone tz, *tzp; 1155 int error; 1156 1157 if (uap->tv) { 1158 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1159 if (error) 1160 return (error); 1161 CP(tv32, tv, tv_sec); 1162 CP(tv32, tv, tv_usec); 1163 tvp = &tv; 1164 } else 1165 tvp = NULL; 1166 if (uap->tzp) { 1167 error = copyin(uap->tzp, &tz, sizeof(tz)); 1168 if (error) 1169 return (error); 1170 tzp = &tz; 1171 } else 1172 tzp = NULL; 1173 return (kern_settimeofday(td, tvp, tzp)); 1174} 1175 1176int 1177freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1178{ 1179 struct timeval32 s32[2]; 1180 struct timeval s[2], *sp; 1181 int error; 1182 1183 if (uap->tptr != NULL) { 1184 error = copyin(uap->tptr, s32, sizeof(s32)); 1185 if (error) 1186 return (error); 1187 CP(s32[0], s[0], tv_sec); 1188 CP(s32[0], s[0], tv_usec); 1189 CP(s32[1], s[1], tv_sec); 1190 CP(s32[1], s[1], tv_usec); 1191 sp = s; 1192 } else 1193 sp = NULL; 1194 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1195} 1196 1197int 1198freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1199{ 1200 struct timeval32 s32[2]; 1201 struct timeval s[2], *sp; 1202 int error; 1203 1204 if (uap->tptr != NULL) { 1205 error = copyin(uap->tptr, s32, sizeof(s32)); 1206 if (error) 1207 return (error); 1208 CP(s32[0], s[0], tv_sec); 1209 CP(s32[0], s[0], tv_usec); 1210 CP(s32[1], s[1], tv_sec); 1211 CP(s32[1], s[1], tv_usec); 1212 sp = s; 1213 } else 1214 sp = NULL; 1215 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1216} 1217 1218int 1219freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1220{ 1221 struct timeval32 s32[2]; 1222 struct timeval s[2], *sp; 1223 int error; 1224 1225 if (uap->tptr != NULL) { 1226 error = copyin(uap->tptr, s32, sizeof(s32)); 1227 if (error) 1228 return (error); 1229 CP(s32[0], s[0], tv_sec); 1230 CP(s32[0], s[0], tv_usec); 1231 CP(s32[1], s[1], tv_sec); 1232 CP(s32[1], s[1], tv_usec); 1233 sp = s; 1234 } else 1235 sp = NULL; 1236 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1237} 1238 1239 1240int 1241freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1242{ 1243 struct timeval32 tv32; 1244 struct timeval delta, olddelta, *deltap; 1245 int error; 1246 1247 if (uap->delta) { 1248 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1249 if (error) 1250 return (error); 1251 CP(tv32, delta, tv_sec); 1252 CP(tv32, delta, tv_usec); 1253 deltap = δ 1254 } else 1255 deltap = NULL; 1256 error = kern_adjtime(td, deltap, &olddelta); 1257 if (uap->olddelta && error == 0) { 1258 CP(olddelta, tv32, tv_sec); 1259 CP(olddelta, tv32, tv_usec); 1260 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1261 } 1262 return (error); 1263} 1264 1265#ifdef COMPAT_FREEBSD4 1266int 1267freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1268{ 1269 struct statfs32 s32; 1270 struct statfs s; 1271 int error; 1272 1273 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1274 if (error) 1275 return (error); 1276 error = copy_statfs(&s, &s32); 1277 if (error) 1278 return (error); 1279 return (copyout(&s32, uap->buf, sizeof(s32))); 1280} 1281#endif 1282 1283#ifdef COMPAT_FREEBSD4 1284int 1285freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1286{ 1287 struct statfs32 s32; 1288 struct statfs s; 1289 int error; 1290 1291 error = kern_fstatfs(td, uap->fd, &s); 1292 if (error) 1293 return (error); 1294 error = copy_statfs(&s, &s32); 1295 if (error) 1296 return (error); 1297 return (copyout(&s32, uap->buf, sizeof(s32))); 1298} 1299#endif 1300 1301#ifdef COMPAT_FREEBSD4 1302int 1303freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1304{ 1305 struct statfs32 s32; 1306 struct statfs s; 1307 fhandle_t fh; 1308 int error; 1309 1310 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1311 return (error); 1312 error = kern_fhstatfs(td, fh, &s); 1313 if (error) 1314 return (error); 1315 error = copy_statfs(&s, &s32); 1316 if (error) 1317 return (error); 1318 return (copyout(&s32, uap->buf, sizeof(s32))); 1319} 1320#endif 1321 1322int 1323freebsd32_semsys(struct thread *td, struct freebsd32_semsys_args *uap) 1324{ 1325 /* 1326 * Vector through to semsys if it is loaded. 1327 */ 1328 return sysent[SYS_semsys].sy_call(td, uap); 1329} 1330 1331int 1332freebsd32_msgsys(struct thread *td, struct freebsd32_msgsys_args *uap) 1333{ 1334 switch (uap->which) { 1335 case 2: 1336 return (freebsd32_msgsnd(td, 1337 (struct freebsd32_msgsnd_args *)&uap->a2)); 1338 break; 1339 case 3: 1340 return (freebsd32_msgrcv(td, 1341 (struct freebsd32_msgrcv_args *)&uap->a2)); 1342 break; 1343 default: 1344 /* 1345 * Vector through to msgsys if it is loaded. 1346 */ 1347 return (sysent[SYS_msgsys].sy_call(td, uap)); 1348 break; 1349 } 1350} 1351 1352int 1353freebsd32_msgsnd(struct thread *td, struct freebsd32_msgsnd_args *uap) 1354{ 1355 const void *msgp; 1356 long mtype; 1357 int32_t mtype32; 1358 int error; 1359 1360 msgp = PTRIN(uap->msgp); 1361 if ((error = copyin(msgp, &mtype32, sizeof(mtype32))) != 0) 1362 return (error); 1363 mtype = mtype32; 1364 return (kern_msgsnd(td, uap->msqid, 1365 (const char *)msgp + sizeof(mtype32), 1366 uap->msgsz, uap->msgflg, mtype)); 1367} 1368 1369int 1370freebsd32_msgrcv(struct thread *td, struct freebsd32_msgrcv_args *uap) 1371{ 1372 void *msgp; 1373 long mtype; 1374 int32_t mtype32; 1375 int error; 1376 1377 msgp = PTRIN(uap->msgp); 1378 if ((error = kern_msgrcv(td, uap->msqid, 1379 (char *)msgp + sizeof(mtype32), uap->msgsz, 1380 uap->msgtyp, uap->msgflg, &mtype)) != 0) 1381 return (error); 1382 mtype32 = (int32_t)mtype; 1383 return (copyout(&mtype32, msgp, sizeof(mtype32))); 1384} 1385 1386int 1387freebsd32_shmsys(struct thread *td, struct freebsd32_shmsys_args *uap) 1388{ 1389 1390 switch (uap->which) { 1391 case 0: { /* shmat */ 1392 struct shmat_args ap; 1393 1394 ap.shmid = uap->a2; 1395 ap.shmaddr = PTRIN(uap->a3); 1396 ap.shmflg = uap->a4; 1397 return (sysent[SYS_shmat].sy_call(td, &ap)); 1398 } 1399 case 2: { /* shmdt */ 1400 struct shmdt_args ap; 1401 1402 ap.shmaddr = PTRIN(uap->a2); 1403 return (sysent[SYS_shmdt].sy_call(td, &ap)); 1404 } 1405 case 3: { /* shmget */ 1406 struct shmget_args ap; 1407 1408 ap.key = uap->a2; 1409 ap.size = uap->a3; 1410 ap.shmflg = uap->a4; 1411 return (sysent[SYS_shmget].sy_call(td, &ap)); 1412 } 1413 case 4: { /* shmctl */ 1414 struct freebsd32_shmctl_args ap; 1415 1416 ap.shmid = uap->a2; 1417 ap.cmd = uap->a3; 1418 ap.buf = PTRIN(uap->a4); 1419 return (freebsd32_shmctl(td, &ap)); 1420 } 1421 case 1: /* oshmctl */ 1422 default: 1423 return (EINVAL); 1424 } 1425} 1426 1427int 1428freebsd32_shmctl(struct thread *td, struct freebsd32_shmctl_args *uap) 1429{ 1430 int error = 0; 1431 union { 1432 struct shmid_ds shmid_ds; 1433 struct shm_info shm_info; 1434 struct shminfo shminfo; 1435 } u; 1436 union { 1437 struct shmid_ds32 shmid_ds32; 1438 struct shm_info32 shm_info32; 1439 struct shminfo32 shminfo32; 1440 } u32; 1441 size_t sz; 1442 1443 if (uap->cmd == IPC_SET) { 1444 if ((error = copyin(uap->buf, &u32.shmid_ds32, 1445 sizeof(u32.shmid_ds32)))) 1446 goto done; 1447 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.cuid); 1448 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.cgid); 1449 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.uid); 1450 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.gid); 1451 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.mode); 1452 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.seq); 1453 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.key); 1454 CP(u32.shmid_ds32, u.shmid_ds, shm_segsz); 1455 CP(u32.shmid_ds32, u.shmid_ds, shm_lpid); 1456 CP(u32.shmid_ds32, u.shmid_ds, shm_cpid); 1457 CP(u32.shmid_ds32, u.shmid_ds, shm_nattch); 1458 CP(u32.shmid_ds32, u.shmid_ds, shm_atime); 1459 CP(u32.shmid_ds32, u.shmid_ds, shm_dtime); 1460 CP(u32.shmid_ds32, u.shmid_ds, shm_ctime); 1461 PTRIN_CP(u32.shmid_ds32, u.shmid_ds, shm_internal); 1462 } 1463 1464 error = kern_shmctl(td, uap->shmid, uap->cmd, (void *)&u, &sz); 1465 if (error) 1466 goto done; 1467 1468 /* Cases in which we need to copyout */ 1469 switch (uap->cmd) { 1470 case IPC_INFO: 1471 CP(u.shminfo, u32.shminfo32, shmmax); 1472 CP(u.shminfo, u32.shminfo32, shmmin); 1473 CP(u.shminfo, u32.shminfo32, shmmni); 1474 CP(u.shminfo, u32.shminfo32, shmseg); 1475 CP(u.shminfo, u32.shminfo32, shmall); 1476 error = copyout(&u32.shminfo32, uap->buf, 1477 sizeof(u32.shminfo32)); 1478 break; 1479 case SHM_INFO: 1480 CP(u.shm_info, u32.shm_info32, used_ids); 1481 CP(u.shm_info, u32.shm_info32, shm_rss); 1482 CP(u.shm_info, u32.shm_info32, shm_tot); 1483 CP(u.shm_info, u32.shm_info32, shm_swp); 1484 CP(u.shm_info, u32.shm_info32, swap_attempts); 1485 CP(u.shm_info, u32.shm_info32, swap_successes); 1486 error = copyout(&u32.shm_info32, uap->buf, 1487 sizeof(u32.shm_info32)); 1488 break; 1489 case SHM_STAT: 1490 case IPC_STAT: 1491 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.cuid); 1492 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.cgid); 1493 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.uid); 1494 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.gid); 1495 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.mode); 1496 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.seq); 1497 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.key); 1498 CP(u.shmid_ds, u32.shmid_ds32, shm_segsz); 1499 CP(u.shmid_ds, u32.shmid_ds32, shm_lpid); 1500 CP(u.shmid_ds, u32.shmid_ds32, shm_cpid); 1501 CP(u.shmid_ds, u32.shmid_ds32, shm_nattch); 1502 CP(u.shmid_ds, u32.shmid_ds32, shm_atime); 1503 CP(u.shmid_ds, u32.shmid_ds32, shm_dtime); 1504 CP(u.shmid_ds, u32.shmid_ds32, shm_ctime); 1505 PTROUT_CP(u.shmid_ds, u32.shmid_ds32, shm_internal); 1506 error = copyout(&u32.shmid_ds32, uap->buf, 1507 sizeof(u32.shmid_ds32)); 1508 break; 1509 } 1510 1511done: 1512 if (error) { 1513 /* Invalidate the return value */ 1514 td->td_retval[0] = -1; 1515 } 1516 return (error); 1517} 1518 1519int 1520freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1521{ 1522 struct pread_args ap; 1523 1524 ap.fd = uap->fd; 1525 ap.buf = uap->buf; 1526 ap.nbyte = uap->nbyte; 1527 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1528 return (pread(td, &ap)); 1529} 1530 1531int 1532freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1533{ 1534 struct pwrite_args ap; 1535 1536 ap.fd = uap->fd; 1537 ap.buf = uap->buf; 1538 ap.nbyte = uap->nbyte; 1539 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1540 return (pwrite(td, &ap)); 1541} 1542 1543int 1544freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1545{ 1546 int error; 1547 struct lseek_args ap; 1548 off_t pos; 1549 1550 ap.fd = uap->fd; 1551 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1552 ap.whence = uap->whence; 1553 error = lseek(td, &ap); 1554 /* Expand the quad return into two parts for eax and edx */ 1555 pos = *(off_t *)(td->td_retval); 1556 td->td_retval[0] = pos & 0xffffffff; /* %eax */ 1557 td->td_retval[1] = pos >> 32; /* %edx */ 1558 return error; 1559} 1560 1561int 1562freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1563{ 1564 struct truncate_args ap; 1565 1566 ap.path = uap->path; 1567 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1568 return (truncate(td, &ap)); 1569} 1570 1571int 1572freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1573{ 1574 struct ftruncate_args ap; 1575 1576 ap.fd = uap->fd; 1577 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1578 return (ftruncate(td, &ap)); 1579} 1580 1581#ifdef COMPAT_FREEBSD6 1582/* versions with the 'int pad' argument */ 1583int 1584freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1585{ 1586 struct pread_args ap; 1587 1588 ap.fd = uap->fd; 1589 ap.buf = uap->buf; 1590 ap.nbyte = uap->nbyte; 1591 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1592 return (pread(td, &ap)); 1593} 1594 1595int 1596freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1597{ 1598 struct pwrite_args ap; 1599 1600 ap.fd = uap->fd; 1601 ap.buf = uap->buf; 1602 ap.nbyte = uap->nbyte; 1603 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1604 return (pwrite(td, &ap)); 1605} 1606 1607int 1608freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1609{ 1610 int error; 1611 struct lseek_args ap; 1612 off_t pos; 1613 1614 ap.fd = uap->fd; 1615 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1616 ap.whence = uap->whence; 1617 error = lseek(td, &ap); 1618 /* Expand the quad return into two parts for eax and edx */ 1619 pos = *(off_t *)(td->td_retval); 1620 td->td_retval[0] = pos & 0xffffffff; /* %eax */ 1621 td->td_retval[1] = pos >> 32; /* %edx */ 1622 return error; 1623} 1624 1625int 1626freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1627{ 1628 struct truncate_args ap; 1629 1630 ap.path = uap->path; 1631 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1632 return (truncate(td, &ap)); 1633} 1634 1635int 1636freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1637{ 1638 struct ftruncate_args ap; 1639 1640 ap.fd = uap->fd; 1641 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1642 return (ftruncate(td, &ap)); 1643} 1644#endif /* COMPAT_FREEBSD6 */ 1645 1646struct sf_hdtr32 { 1647 uint32_t headers; 1648 int hdr_cnt; 1649 uint32_t trailers; 1650 int trl_cnt; 1651}; 1652 1653static int 1654freebsd32_do_sendfile(struct thread *td, 1655 struct freebsd32_sendfile_args *uap, int compat) 1656{ 1657 struct sendfile_args ap; 1658 struct sf_hdtr32 hdtr32; 1659 struct sf_hdtr hdtr; 1660 struct uio *hdr_uio, *trl_uio; 1661 struct iovec32 *iov32; 1662 int error; 1663 1664 hdr_uio = trl_uio = NULL; 1665 1666 ap.fd = uap->fd; 1667 ap.s = uap->s; 1668 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1669 ap.nbytes = uap->nbytes; 1670 ap.hdtr = (struct sf_hdtr *)uap->hdtr; /* XXX not used */ 1671 ap.sbytes = uap->sbytes; 1672 ap.flags = uap->flags; 1673 1674 if (uap->hdtr != NULL) { 1675 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1676 if (error) 1677 goto out; 1678 PTRIN_CP(hdtr32, hdtr, headers); 1679 CP(hdtr32, hdtr, hdr_cnt); 1680 PTRIN_CP(hdtr32, hdtr, trailers); 1681 CP(hdtr32, hdtr, trl_cnt); 1682 1683 if (hdtr.headers != NULL) { 1684 iov32 = PTRIN(hdtr32.headers); 1685 error = freebsd32_copyinuio(iov32, 1686 hdtr32.hdr_cnt, &hdr_uio); 1687 if (error) 1688 goto out; 1689 } 1690 if (hdtr.trailers != NULL) { 1691 iov32 = PTRIN(hdtr32.trailers); 1692 error = freebsd32_copyinuio(iov32, 1693 hdtr32.trl_cnt, &trl_uio); 1694 if (error) 1695 goto out; 1696 } 1697 } 1698 1699 error = kern_sendfile(td, &ap, hdr_uio, trl_uio, compat); 1700out: 1701 if (hdr_uio) 1702 free(hdr_uio, M_IOV); 1703 if (trl_uio) 1704 free(trl_uio, M_IOV); 1705 return (error); 1706} 1707 1708#ifdef COMPAT_FREEBSD4 1709int 1710freebsd4_freebsd32_sendfile(struct thread *td, 1711 struct freebsd4_freebsd32_sendfile_args *uap) 1712{ 1713 return (freebsd32_do_sendfile(td, 1714 (struct freebsd32_sendfile_args *)uap, 1)); 1715} 1716#endif 1717 1718int 1719freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1720{ 1721 1722 return (freebsd32_do_sendfile(td, uap, 0)); 1723} 1724 1725static void 1726copy_stat( struct stat *in, struct stat32 *out) 1727{ 1728 CP(*in, *out, st_dev); 1729 CP(*in, *out, st_ino); 1730 CP(*in, *out, st_mode); 1731 CP(*in, *out, st_nlink); 1732 CP(*in, *out, st_uid); 1733 CP(*in, *out, st_gid); 1734 CP(*in, *out, st_rdev); 1735 TS_CP(*in, *out, st_atimespec); 1736 TS_CP(*in, *out, st_mtimespec); 1737 TS_CP(*in, *out, st_ctimespec); 1738 CP(*in, *out, st_size); 1739 CP(*in, *out, st_blocks); 1740 CP(*in, *out, st_blksize); 1741 CP(*in, *out, st_flags); 1742 CP(*in, *out, st_gen); 1743} 1744 1745int 1746freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1747{ 1748 struct stat sb; 1749 struct stat32 sb32; 1750 int error; 1751 1752 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1753 if (error) 1754 return (error); 1755 copy_stat(&sb, &sb32); 1756 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1757 return (error); 1758} 1759 1760int 1761freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1762{ 1763 struct stat ub; 1764 struct stat32 ub32; 1765 int error; 1766 1767 error = kern_fstat(td, uap->fd, &ub); 1768 if (error) 1769 return (error); 1770 copy_stat(&ub, &ub32); 1771 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1772 return (error); 1773} 1774 1775int 1776freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1777{ 1778 struct stat sb; 1779 struct stat32 sb32; 1780 int error; 1781 1782 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1783 if (error) 1784 return (error); 1785 copy_stat(&sb, &sb32); 1786 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1787 return (error); 1788} 1789 1790/* 1791 * MPSAFE 1792 */ 1793int 1794freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1795{ 1796 int error, name[CTL_MAXNAME]; 1797 size_t j, oldlen; 1798 1799 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1800 return (EINVAL); 1801 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1802 if (error) 1803 return (error); 1804 mtx_lock(&Giant); 1805 if (uap->oldlenp) 1806 oldlen = fuword32(uap->oldlenp); 1807 else 1808 oldlen = 0; 1809 error = userland_sysctl(td, name, uap->namelen, 1810 uap->old, &oldlen, 1, 1811 uap->new, uap->newlen, &j, SCTL_MASK32); 1812 if (error && error != ENOMEM) 1813 goto done2; 1814 if (uap->oldlenp) 1815 suword32(uap->oldlenp, j); 1816done2: 1817 mtx_unlock(&Giant); 1818 return (error); 1819} 1820 1821int 1822freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 1823{ 1824 struct sigaction32 s32; 1825 struct sigaction sa, osa, *sap; 1826 int error; 1827 1828 if (uap->act) { 1829 error = copyin(uap->act, &s32, sizeof(s32)); 1830 if (error) 1831 return (error); 1832 sa.sa_handler = PTRIN(s32.sa_u); 1833 CP(s32, sa, sa_flags); 1834 CP(s32, sa, sa_mask); 1835 sap = &sa; 1836 } else 1837 sap = NULL; 1838 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 1839 if (error == 0 && uap->oact != NULL) { 1840 s32.sa_u = PTROUT(osa.sa_handler); 1841 CP(osa, s32, sa_flags); 1842 CP(osa, s32, sa_mask); 1843 error = copyout(&s32, uap->oact, sizeof(s32)); 1844 } 1845 return (error); 1846} 1847 1848#ifdef COMPAT_FREEBSD4 1849int 1850freebsd4_freebsd32_sigaction(struct thread *td, 1851 struct freebsd4_freebsd32_sigaction_args *uap) 1852{ 1853 struct sigaction32 s32; 1854 struct sigaction sa, osa, *sap; 1855 int error; 1856 1857 if (uap->act) { 1858 error = copyin(uap->act, &s32, sizeof(s32)); 1859 if (error) 1860 return (error); 1861 sa.sa_handler = PTRIN(s32.sa_u); 1862 CP(s32, sa, sa_flags); 1863 CP(s32, sa, sa_mask); 1864 sap = &sa; 1865 } else 1866 sap = NULL; 1867 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 1868 if (error == 0 && uap->oact != NULL) { 1869 s32.sa_u = PTROUT(osa.sa_handler); 1870 CP(osa, s32, sa_flags); 1871 CP(osa, s32, sa_mask); 1872 error = copyout(&s32, uap->oact, sizeof(s32)); 1873 } 1874 return (error); 1875} 1876#endif 1877 1878#ifdef COMPAT_43 1879struct osigaction32 { 1880 u_int32_t sa_u; 1881 osigset_t sa_mask; 1882 int sa_flags; 1883}; 1884 1885#define ONSIG 32 1886 1887int 1888ofreebsd32_sigaction(struct thread *td, 1889 struct ofreebsd32_sigaction_args *uap) 1890{ 1891 struct osigaction32 s32; 1892 struct sigaction sa, osa, *sap; 1893 int error; 1894 1895 if (uap->signum <= 0 || uap->signum >= ONSIG) 1896 return (EINVAL); 1897 1898 if (uap->nsa) { 1899 error = copyin(uap->nsa, &s32, sizeof(s32)); 1900 if (error) 1901 return (error); 1902 sa.sa_handler = PTRIN(s32.sa_u); 1903 CP(s32, sa, sa_flags); 1904 OSIG2SIG(s32.sa_mask, sa.sa_mask); 1905 sap = &sa; 1906 } else 1907 sap = NULL; 1908 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 1909 if (error == 0 && uap->osa != NULL) { 1910 s32.sa_u = PTROUT(osa.sa_handler); 1911 CP(osa, s32, sa_flags); 1912 SIG2OSIG(osa.sa_mask, s32.sa_mask); 1913 error = copyout(&s32, uap->osa, sizeof(s32)); 1914 } 1915 return (error); 1916} 1917 1918int 1919ofreebsd32_sigprocmask(struct thread *td, 1920 struct ofreebsd32_sigprocmask_args *uap) 1921{ 1922 sigset_t set, oset; 1923 int error; 1924 1925 OSIG2SIG(uap->mask, set); 1926 error = kern_sigprocmask(td, uap->how, &set, &oset, 1); 1927 SIG2OSIG(oset, td->td_retval[0]); 1928 return (error); 1929} 1930 1931int 1932ofreebsd32_sigpending(struct thread *td, 1933 struct ofreebsd32_sigpending_args *uap) 1934{ 1935 struct proc *p = td->td_proc; 1936 sigset_t siglist; 1937 1938 PROC_LOCK(p); 1939 siglist = p->p_siglist; 1940 SIGSETOR(siglist, td->td_siglist); 1941 PROC_UNLOCK(p); 1942 SIG2OSIG(siglist, td->td_retval[0]); 1943 return (0); 1944} 1945 1946struct sigvec32 { 1947 u_int32_t sv_handler; 1948 int sv_mask; 1949 int sv_flags; 1950}; 1951 1952int 1953ofreebsd32_sigvec(struct thread *td, 1954 struct ofreebsd32_sigvec_args *uap) 1955{ 1956 struct sigvec32 vec; 1957 struct sigaction sa, osa, *sap; 1958 int error; 1959 1960 if (uap->signum <= 0 || uap->signum >= ONSIG) 1961 return (EINVAL); 1962 1963 if (uap->nsv) { 1964 error = copyin(uap->nsv, &vec, sizeof(vec)); 1965 if (error) 1966 return (error); 1967 sa.sa_handler = PTRIN(vec.sv_handler); 1968 OSIG2SIG(vec.sv_mask, sa.sa_mask); 1969 sa.sa_flags = vec.sv_flags; 1970 sa.sa_flags ^= SA_RESTART; 1971 sap = &sa; 1972 } else 1973 sap = NULL; 1974 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 1975 if (error == 0 && uap->osv != NULL) { 1976 vec.sv_handler = PTROUT(osa.sa_handler); 1977 SIG2OSIG(osa.sa_mask, vec.sv_mask); 1978 vec.sv_flags = osa.sa_flags; 1979 vec.sv_flags &= ~SA_NOCLDWAIT; 1980 vec.sv_flags ^= SA_RESTART; 1981 error = copyout(&vec, uap->osv, sizeof(vec)); 1982 } 1983 return (error); 1984} 1985 1986int 1987ofreebsd32_sigblock(struct thread *td, 1988 struct ofreebsd32_sigblock_args *uap) 1989{ 1990 struct proc *p = td->td_proc; 1991 sigset_t set; 1992 1993 OSIG2SIG(uap->mask, set); 1994 SIG_CANTMASK(set); 1995 PROC_LOCK(p); 1996 SIG2OSIG(td->td_sigmask, td->td_retval[0]); 1997 SIGSETOR(td->td_sigmask, set); 1998 PROC_UNLOCK(p); 1999 return (0); 2000} 2001 2002int 2003ofreebsd32_sigsetmask(struct thread *td, 2004 struct ofreebsd32_sigsetmask_args *uap) 2005{ 2006 struct proc *p = td->td_proc; 2007 sigset_t set; 2008 2009 OSIG2SIG(uap->mask, set); 2010 SIG_CANTMASK(set); 2011 PROC_LOCK(p); 2012 SIG2OSIG(td->td_sigmask, td->td_retval[0]); 2013 SIGSETLO(td->td_sigmask, set); 2014 signotify(td); 2015 PROC_UNLOCK(p); 2016 return (0); 2017} 2018 2019int 2020ofreebsd32_sigsuspend(struct thread *td, 2021 struct ofreebsd32_sigsuspend_args *uap) 2022{ 2023 struct proc *p = td->td_proc; 2024 sigset_t mask; 2025 2026 PROC_LOCK(p); 2027 td->td_oldsigmask = td->td_sigmask; 2028 td->td_pflags |= TDP_OLDMASK; 2029 OSIG2SIG(uap->mask, mask); 2030 SIG_CANTMASK(mask); 2031 SIGSETLO(td->td_sigmask, mask); 2032 signotify(td); 2033 while (msleep(&p->p_sigacts, &p->p_mtx, PPAUSE|PCATCH, "opause", 0) == 0) 2034 /* void */; 2035 PROC_UNLOCK(p); 2036 /* always return EINTR rather than ERESTART... */ 2037 return (EINTR); 2038} 2039 2040struct sigstack32 { 2041 u_int32_t ss_sp; 2042 int ss_onstack; 2043}; 2044 2045int 2046ofreebsd32_sigstack(struct thread *td, 2047 struct ofreebsd32_sigstack_args *uap) 2048{ 2049 struct sigstack32 s32; 2050 struct sigstack nss, oss; 2051 int error = 0, unss; 2052 2053 if (uap->nss != NULL) { 2054 error = copyin(uap->nss, &s32, sizeof(s32)); 2055 if (error) 2056 return (error); 2057 nss.ss_sp = PTRIN(s32.ss_sp); 2058 CP(s32, nss, ss_onstack); 2059 unss = 1; 2060 } else { 2061 unss = 0; 2062 } 2063 oss.ss_sp = td->td_sigstk.ss_sp; 2064 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2065 if (unss) { 2066 td->td_sigstk.ss_sp = nss.ss_sp; 2067 td->td_sigstk.ss_size = 0; 2068 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2069 td->td_pflags |= TDP_ALTSTACK; 2070 } 2071 if (uap->oss != NULL) { 2072 s32.ss_sp = PTROUT(oss.ss_sp); 2073 CP(oss, s32, ss_onstack); 2074 error = copyout(&s32, uap->oss, sizeof(s32)); 2075 } 2076 return (error); 2077} 2078#endif 2079 2080int 2081freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2082{ 2083 struct timespec32 rmt32, rqt32; 2084 struct timespec rmt, rqt; 2085 int error; 2086 2087 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2088 if (error) 2089 return (error); 2090 2091 CP(rqt32, rqt, tv_sec); 2092 CP(rqt32, rqt, tv_nsec); 2093 2094 if (uap->rmtp && 2095 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2096 return (EFAULT); 2097 error = kern_nanosleep(td, &rqt, &rmt); 2098 if (error && uap->rmtp) { 2099 int error2; 2100 2101 CP(rmt, rmt32, tv_sec); 2102 CP(rmt, rmt32, tv_nsec); 2103 2104 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2105 if (error2) 2106 error = error2; 2107 } 2108 return (error); 2109} 2110 2111int 2112freebsd32_clock_gettime(struct thread *td, 2113 struct freebsd32_clock_gettime_args *uap) 2114{ 2115 struct timespec ats; 2116 struct timespec32 ats32; 2117 int error; 2118 2119 error = kern_clock_gettime(td, uap->clock_id, &ats); 2120 if (error == 0) { 2121 CP(ats, ats32, tv_sec); 2122 CP(ats, ats32, tv_nsec); 2123 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2124 } 2125 return (error); 2126} 2127 2128int 2129freebsd32_clock_settime(struct thread *td, 2130 struct freebsd32_clock_settime_args *uap) 2131{ 2132 struct timespec ats; 2133 struct timespec32 ats32; 2134 int error; 2135 2136 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2137 if (error) 2138 return (error); 2139 CP(ats32, ats, tv_sec); 2140 CP(ats32, ats, tv_nsec); 2141 2142 return (kern_clock_settime(td, uap->clock_id, &ats)); 2143} 2144 2145int 2146freebsd32_clock_getres(struct thread *td, 2147 struct freebsd32_clock_getres_args *uap) 2148{ 2149 struct timespec ts; 2150 struct timespec32 ts32; 2151 int error; 2152 2153 if (uap->tp == NULL) 2154 return (0); 2155 error = kern_clock_getres(td, uap->clock_id, &ts); 2156 if (error == 0) { 2157 CP(ts, ts32, tv_sec); 2158 CP(ts, ts32, tv_nsec); 2159 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2160 } 2161 return (error); 2162} 2163 2164int 2165freebsd32_thr_new(struct thread *td, 2166 struct freebsd32_thr_new_args *uap) 2167{ 2168 struct thr_param32 param32; 2169 struct thr_param param; 2170 int error; 2171 2172 if (uap->param_size < 0 || 2173 uap->param_size > sizeof(struct thr_param32)) 2174 return (EINVAL); 2175 bzero(¶m, sizeof(struct thr_param)); 2176 bzero(¶m32, sizeof(struct thr_param32)); 2177 error = copyin(uap->param, ¶m32, uap->param_size); 2178 if (error != 0) 2179 return (error); 2180 param.start_func = PTRIN(param32.start_func); 2181 param.arg = PTRIN(param32.arg); 2182 param.stack_base = PTRIN(param32.stack_base); 2183 param.stack_size = param32.stack_size; 2184 param.tls_base = PTRIN(param32.tls_base); 2185 param.tls_size = param32.tls_size; 2186 param.child_tid = PTRIN(param32.child_tid); 2187 param.parent_tid = PTRIN(param32.parent_tid); 2188 param.flags = param32.flags; 2189 param.rtp = PTRIN(param32.rtp); 2190 param.spare[0] = PTRIN(param32.spare[0]); 2191 param.spare[1] = PTRIN(param32.spare[1]); 2192 param.spare[2] = PTRIN(param32.spare[2]); 2193 2194 return (kern_thr_new(td, ¶m)); 2195} 2196 2197int 2198freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2199{ 2200 struct timespec32 ts32; 2201 struct timespec ts, *tsp; 2202 int error; 2203 2204 error = 0; 2205 tsp = NULL; 2206 if (uap->timeout != NULL) { 2207 error = copyin((const void *)uap->timeout, (void *)&ts32, 2208 sizeof(struct timespec32)); 2209 if (error != 0) 2210 return (error); 2211 ts.tv_sec = ts32.tv_sec; 2212 ts.tv_nsec = ts32.tv_nsec; 2213 tsp = &ts; 2214 } 2215 return (kern_thr_suspend(td, tsp)); 2216} 2217 2218void 2219siginfo_to_siginfo32(siginfo_t *src, struct siginfo32 *dst) 2220{ 2221 bzero(dst, sizeof(*dst)); 2222 dst->si_signo = src->si_signo; 2223 dst->si_errno = src->si_errno; 2224 dst->si_code = src->si_code; 2225 dst->si_pid = src->si_pid; 2226 dst->si_uid = src->si_uid; 2227 dst->si_status = src->si_status; 2228 dst->si_addr = dst->si_addr; 2229 dst->si_value.sigval_int = src->si_value.sival_int; 2230 dst->si_timerid = src->si_timerid; 2231 dst->si_overrun = src->si_overrun; 2232} 2233 2234int 2235freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2236{ 2237 struct timespec32 ts32; 2238 struct timespec ts; 2239 struct timespec *timeout; 2240 sigset_t set; 2241 ksiginfo_t ksi; 2242 struct siginfo32 si32; 2243 int error; 2244 2245 if (uap->timeout) { 2246 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2247 if (error) 2248 return (error); 2249 ts.tv_sec = ts32.tv_sec; 2250 ts.tv_nsec = ts32.tv_nsec; 2251 timeout = &ts; 2252 } else 2253 timeout = NULL; 2254 2255 error = copyin(uap->set, &set, sizeof(set)); 2256 if (error) 2257 return (error); 2258 2259 error = kern_sigtimedwait(td, set, &ksi, timeout); 2260 if (error) 2261 return (error); 2262 2263 if (uap->info) { 2264 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2265 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2266 } 2267 2268 if (error == 0) 2269 td->td_retval[0] = ksi.ksi_signo; 2270 return (error); 2271} 2272 2273/* 2274 * MPSAFE 2275 */ 2276int 2277freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2278{ 2279 ksiginfo_t ksi; 2280 struct siginfo32 si32; 2281 sigset_t set; 2282 int error; 2283 2284 error = copyin(uap->set, &set, sizeof(set)); 2285 if (error) 2286 return (error); 2287 2288 error = kern_sigtimedwait(td, set, &ksi, NULL); 2289 if (error) 2290 return (error); 2291 2292 if (uap->info) { 2293 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2294 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2295 } 2296 if (error == 0) 2297 td->td_retval[0] = ksi.ksi_signo; 2298 return (error); 2299} 2300 2301#if 0 2302 2303int 2304freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2305{ 2306 int error; 2307 struct yyy32 *p32, s32; 2308 struct yyy *p = NULL, s; 2309 2310 if (uap->zzz) { 2311 error = copyin(uap->zzz, &s32, sizeof(s32)); 2312 if (error) 2313 return (error); 2314 /* translate in */ 2315 p = &s; 2316 } 2317 error = kern_xxx(td, p); 2318 if (error) 2319 return (error); 2320 if (uap->zzz) { 2321 /* translate out */ 2322 error = copyout(&s32, p32, sizeof(s32)); 2323 } 2324 return (error); 2325} 2326 2327#endif 2328