netbsd32_compat_43.c revision 1.49.6.1
1 /* $NetBSD: netbsd32_compat_43.c,v 1.49.6.1 2008/05/10 23:48:57 wrstuden Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 2001 Matthew R. Green 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 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. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_43.c,v 1.49.6.1 2008/05/10 23:48:57 wrstuden Exp $"); 33 34 #if defined(_KERNEL_OPT) 35 #include "opt_compat_43.h" 36 #endif 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/fcntl.h> 41 #include <sys/filedesc.h> 42 #include <sys/malloc.h> 43 #include <sys/mbuf.h> 44 #include <sys/mount.h> 45 #include <sys/namei.h> 46 #include <sys/socket.h> 47 #include <sys/proc.h> 48 #include <sys/socket.h> 49 #include <sys/socketvar.h> 50 #include <sys/stat.h> 51 #include <sys/sa.h> 52 #include <sys/syscallargs.h> 53 #include <sys/time.h> 54 #include <sys/ucred.h> 55 #include <sys/vfs_syscalls.h> 56 #include <uvm/uvm_extern.h> 57 #include <sys/sysctl.h> 58 #include <sys/swap.h> 59 60 #include <compat/netbsd32/netbsd32.h> 61 #include <compat/netbsd32/netbsd32_syscallargs.h> 62 63 #include <compat/sys/stat.h> 64 #include <compat/sys/signal.h> 65 #include <compat/sys/signalvar.h> 66 #include <compat/sys/socket.h> 67 68 #define SYS_DEF(foo) struct foo##_args; \ 69 int foo(struct lwp *, const struct foo##_args *, register_t *) 70 71 SYS_DEF(compat_43_netbsd32_sethostid); 72 SYS_DEF(compat_43_netbsd32_killpg); 73 SYS_DEF(compat_43_netbsd32_sigblock); 74 SYS_DEF(compat_43_netbsd32_sigblock); 75 SYS_DEF(compat_43_netbsd32_sigsetmask); 76 #undef SYS_DEF 77 78 static void 79 netbsd32_from_stat(const struct stat *sb, struct netbsd32_stat43 *sp32) 80 { 81 82 sp32->st_dev = sb->st_dev; 83 sp32->st_ino = sb->st_ino; 84 sp32->st_mode = sb->st_mode; 85 sp32->st_nlink = sb->st_nlink; 86 sp32->st_uid = sb->st_uid; 87 sp32->st_gid = sb->st_gid; 88 sp32->st_rdev = sb->st_rdev; 89 sp32->st_size = sb->st_size < (quad_t)1 << 32 ? sb->st_size : -2; 90 sp32->st_atimespec.tv_sec = sb->st_atimespec.tv_sec; 91 sp32->st_atimespec.tv_nsec = sb->st_atimespec.tv_nsec; 92 sp32->st_mtimespec.tv_sec = sb->st_mtimespec.tv_sec; 93 sp32->st_mtimespec.tv_nsec = sb->st_mtimespec.tv_nsec; 94 sp32->st_ctimespec.tv_sec = sb->st_ctimespec.tv_sec; 95 sp32->st_ctimespec.tv_nsec = sb->st_ctimespec.tv_nsec; 96 sp32->st_blksize = sb->st_blksize; 97 sp32->st_blocks = sb->st_blocks; 98 sp32->st_flags = sb->st_flags; 99 sp32->st_gen = sb->st_gen; 100 } 101 102 /* file system syscalls */ 103 int 104 compat_43_netbsd32_ocreat(struct lwp *l, const struct compat_43_netbsd32_ocreat_args *uap, register_t *retval) 105 { 106 /* { 107 syscallarg(const netbsd32_charp) path; 108 syscallarg(mode_t) mode; 109 } */ 110 struct sys_open_args ua; 111 112 NETBSD32TOP_UAP(path, const char); 113 NETBSD32TO64_UAP(mode); 114 SCARG(&ua, flags) = O_WRONLY | O_CREAT | O_TRUNC; 115 116 return (sys_open(l, &ua, retval)); 117 } 118 119 int 120 compat_43_netbsd32_olseek(struct lwp *l, const struct compat_43_netbsd32_olseek_args *uap, register_t *retval) 121 { 122 /* { 123 syscallarg(int) fd; 124 syscallarg(netbsd32_long) offset; 125 syscallarg(int) whence; 126 } */ 127 struct sys_lseek_args ua; 128 129 SCARG(&ua, fd) = SCARG(uap, fd); 130 NETBSD32TOX_UAP(offset, long); 131 NETBSD32TO64_UAP(whence); 132 /* Maybe offsets > 2^32 should generate an error ? */ 133 return sys_lseek(l, &ua, retval); 134 } 135 136 int 137 compat_43_netbsd32_stat43(struct lwp *l, const struct compat_43_netbsd32_stat43_args *uap, register_t *retval) 138 { 139 /* { 140 syscallarg(const netbsd32_charp) path; 141 syscallarg(netbsd32_stat43p_t) ub; 142 } */ 143 struct stat sb; 144 struct netbsd32_stat43 sb32; 145 int error; 146 147 error = do_sys_stat(SCARG_P32(uap, path), FOLLOW, &sb); 148 if (error == 0) { 149 netbsd32_from_stat(&sb, &sb32); 150 error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32)); 151 } 152 return error; 153 } 154 155 int 156 compat_43_netbsd32_lstat43(struct lwp *l, const struct compat_43_netbsd32_lstat43_args *uap, register_t *retval) 157 { 158 /* { 159 syscallarg(const netbsd32_charp) path; 160 syscallarg(netbsd32_stat43p_t) ub; 161 } */ 162 struct stat sb; 163 struct netbsd32_stat43 sb32; 164 int error; 165 166 error = do_sys_stat(SCARG_P32(uap, path), NOFOLLOW, &sb); 167 if (error == 0) { 168 netbsd32_from_stat(&sb, &sb32); 169 error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32)); 170 } 171 return error; 172 } 173 174 int 175 compat_43_netbsd32_fstat43(struct lwp *l, const struct compat_43_netbsd32_fstat43_args *uap, register_t *retval) 176 { 177 /* { 178 syscallarg(int) fd; 179 syscallarg(netbsd32_stat43p_t) sb; 180 } */ 181 struct stat sb; 182 struct netbsd32_stat43 sb32; 183 int error; 184 185 error = do_sys_fstat(SCARG(uap, fd), &sb); 186 if (error == 0) { 187 netbsd32_from_stat(&sb, &sb32); 188 error = copyout(&sb32, SCARG_P32(uap, sb), sizeof(sb32)); 189 } 190 return error; 191 } 192 193 int 194 compat_43_netbsd32_otruncate(struct lwp *l, const struct compat_43_netbsd32_otruncate_args *uap, register_t *retval) 195 { 196 /* { 197 syscallarg(const netbsd32_charp) path; 198 syscallarg(netbsd32_long) length; 199 } */ 200 struct sys_truncate_args ua; 201 202 NETBSD32TOP_UAP(path, const char); 203 NETBSD32TO64_UAP(length); 204 return (sys_truncate(l, &ua, retval)); 205 } 206 207 int 208 compat_43_netbsd32_oftruncate(struct lwp *l, const struct compat_43_netbsd32_oftruncate_args *uap, register_t *retval) 209 { 210 /* { 211 syscallarg(int) fd; 212 syscallarg(netbsd32_long) length; 213 } */ 214 struct sys_ftruncate_args ua; 215 216 NETBSD32TO64_UAP(fd); 217 NETBSD32TO64_UAP(length); 218 return (sys_ftruncate(l, &ua, retval)); 219 } 220 221 int 222 compat_43_netbsd32_ogetdirentries(struct lwp *l, const struct compat_43_netbsd32_ogetdirentries_args *uap, register_t *retval) 223 { 224 /* { 225 syscallarg(int) fd; 226 syscallarg(netbsd32_charp) buf; 227 syscallarg(u_int) count; 228 syscallarg(netbsd32_longp) basep; 229 } */ 230 struct compat_43_sys_getdirentries_args ua; 231 232 NETBSD32TO64_UAP(fd); 233 NETBSD32TOP_UAP(buf, char); 234 NETBSD32TO64_UAP(count); 235 NETBSD32TOP_UAP(basep, long); 236 return (compat_43_sys_getdirentries(l, &ua, retval)); 237 } 238 239 /* kernel syscalls */ 240 int 241 compat_43_netbsd32_ogetkerninfo(struct lwp *l, const struct compat_43_netbsd32_ogetkerninfo_args *uap, register_t *retval) 242 { 243 /* { 244 syscallarg(int) op; 245 syscallarg(netbsd32_charp) where; 246 syscallarg(netbsd32_intp) size; 247 syscallarg(int) arg; 248 } */ 249 struct compat_43_sys_getkerninfo_args ua; 250 251 NETBSD32TO64_UAP(op); 252 NETBSD32TOP_UAP(where, char); 253 NETBSD32TOP_UAP(size, int); 254 NETBSD32TO64_UAP(arg); 255 return (compat_43_sys_getkerninfo(l, &ua, retval)); 256 } 257 258 int 259 compat_43_netbsd32_ogethostname(struct lwp *l, const struct compat_43_netbsd32_ogethostname_args *uap, register_t *retval) 260 { 261 /* { 262 syscallarg(netbsd32_charp) hostname; 263 syscallarg(u_int) len; 264 } */ 265 int name[2]; 266 size_t sz; 267 268 name[0] = CTL_KERN; 269 name[1] = KERN_HOSTNAME; 270 sz = SCARG(uap, len); 271 return (old_sysctl(&name[0], 2, 272 SCARG_P32(uap, hostname), &sz, 0, 0, l)); 273 } 274 275 int 276 compat_43_netbsd32_osethostname(struct lwp *l, const struct compat_43_netbsd32_osethostname_args *uap, register_t *retval) 277 { 278 /* { 279 syscallarg(netbsd32_charp) hostname; 280 syscallarg(u_int) len; 281 } */ 282 int name[2]; 283 284 name[0] = CTL_KERN; 285 name[1] = KERN_HOSTNAME; 286 return old_sysctl(&name[0], 2, 0, 0, (char *)SCARG_P32(uap, 287 hostname), SCARG(uap, len), l); 288 } 289 290 int 291 compat_43_netbsd32_sethostid(struct lwp *l, const struct compat_43_netbsd32_sethostid_args *uap, register_t *retval) 292 { 293 /* { 294 syscallarg(int32_t) hostid; 295 } */ 296 struct compat_43_sys_sethostid_args ua; 297 298 NETBSD32TO64_UAP(hostid); 299 return (compat_43_sys_sethostid(l, &ua, retval)); 300 } 301 302 int 303 compat_43_netbsd32_ogetrlimit(struct lwp *l, const struct compat_43_netbsd32_ogetrlimit_args *uap, register_t *retval) 304 { 305 /* { 306 syscallarg(int) which; 307 syscallarg(netbsd32_orlimitp_t) rlp; 308 } */ 309 struct compat_43_sys_getrlimit_args ua; 310 311 NETBSD32TO64_UAP(which); 312 NETBSD32TOP_UAP(rlp, struct orlimit); 313 return (compat_43_sys_getrlimit(l, &ua, retval)); 314 } 315 316 int 317 compat_43_netbsd32_osetrlimit(struct lwp *l, const struct compat_43_netbsd32_osetrlimit_args *uap, register_t *retval) 318 { 319 /* { 320 syscallarg(int) which; 321 syscallarg(netbsd32_orlimitp_t) rlp; 322 } */ 323 struct compat_43_sys_setrlimit_args ua; 324 325 NETBSD32TO64_UAP(which); 326 NETBSD32TOP_UAP(rlp, struct orlimit); 327 return (compat_43_sys_setrlimit(l, &ua, retval)); 328 } 329 330 int 331 compat_43_netbsd32_killpg(struct lwp *l, const struct compat_43_netbsd32_killpg_args *uap, register_t *retval) 332 { 333 /* { 334 syscallarg(int) pgid; 335 syscallarg(int) signum; 336 } */ 337 struct compat_43_sys_killpg_args ua; 338 339 NETBSD32TO64_UAP(pgid); 340 NETBSD32TO64_UAP(signum); 341 return (compat_43_sys_killpg(l, &ua, retval)); 342 } 343 344 /* virtual memory syscalls */ 345 int 346 compat_43_netbsd32_ommap(struct lwp *l, const struct compat_43_netbsd32_ommap_args *uap, register_t *retval) 347 { 348 /* { 349 syscallarg(netbsd32_caddr_t) addr; 350 syscallarg(netbsd32_size_t) len; 351 syscallarg(int) prot; 352 syscallarg(int) flags; 353 syscallarg(int) fd; 354 syscallarg(netbsd32_long) pos; 355 } */ 356 struct compat_43_sys_mmap_args ua; 357 358 NETBSD32TOP_UAP(addr, void *); 359 NETBSD32TOX_UAP(len, size_t); 360 NETBSD32TO64_UAP(prot); 361 NETBSD32TO64_UAP(flags); 362 NETBSD32TO64_UAP(fd); 363 NETBSD32TOX_UAP(pos, long); 364 return (compat_43_sys_mmap(l, &ua, retval)); 365 } 366 367 /* network syscalls */ 368 int 369 compat_43_netbsd32_oaccept(struct lwp *l, const struct compat_43_netbsd32_oaccept_args *uap, register_t *retval) 370 { 371 /* { 372 syscallarg(int) s; 373 syscallarg(netbsd32_caddr_t) name; 374 syscallarg(netbsd32_intp) anamelen; 375 } */ 376 struct compat_43_sys_accept_args ua; 377 378 NETBSD32TOX_UAP(s, int); 379 NETBSD32TOP_UAP(name, void *); 380 NETBSD32TOP_UAP(anamelen, int); 381 return (compat_43_sys_accept(l, &ua, retval)); 382 } 383 384 int 385 compat_43_netbsd32_osend(struct lwp *l, const struct compat_43_netbsd32_osend_args *uap, register_t *retval) 386 { 387 /* { 388 syscallarg(int) s; 389 syscallarg(netbsd32_caddr_t) buf; 390 syscallarg(int) len; 391 syscallarg(int) flags; 392 } */ 393 struct compat_43_sys_send_args ua; 394 395 NETBSD32TO64_UAP(s); 396 NETBSD32TOP_UAP(buf, void *); 397 NETBSD32TO64_UAP(len); 398 NETBSD32TO64_UAP(flags); 399 return (compat_43_sys_send(l, &ua, retval)); 400 } 401 402 int 403 compat_43_netbsd32_orecv(struct lwp *l, const struct compat_43_netbsd32_orecv_args *uap, register_t *retval) 404 { 405 /* { 406 syscallarg(int) s; 407 syscallarg(netbsd32_caddr_t) buf; 408 syscallarg(int) len; 409 syscallarg(int) flags; 410 } */ 411 struct compat_43_sys_recv_args ua; 412 413 NETBSD32TO64_UAP(s); 414 NETBSD32TOP_UAP(buf, void *); 415 NETBSD32TO64_UAP(len); 416 NETBSD32TO64_UAP(flags); 417 return (compat_43_sys_recv(l, &ua, retval)); 418 } 419 420 /* 421 * This is a brutal clone of compat_43_sys_recvmsg(). 422 */ 423 int 424 compat_43_netbsd32_orecvmsg(struct lwp *l, const struct compat_43_netbsd32_orecvmsg_args *uap, register_t *retval) 425 { 426 /* { 427 syscallarg(int) s; 428 syscallarg(netbsd32_omsghdrp_t) msg; 429 syscallarg(int) flags; 430 } */ 431 struct netbsd32_omsghdr omsg; 432 struct msghdr msg; 433 struct mbuf *from, *control; 434 struct iovec *iov, aiov[UIO_SMALLIOV]; 435 int error; 436 437 error = copyin(SCARG_P32(uap, msg), &omsg, sizeof (struct omsghdr)); 438 if (error) 439 return (error); 440 441 if (NETBSD32PTR64(omsg.msg_accrights) == NULL) 442 omsg.msg_accrightslen = 0; 443 /* it was this way in 4.4BSD */ 444 if (omsg.msg_accrightslen > MLEN) 445 return EINVAL; 446 447 iov = netbsd32_get_iov(NETBSD32PTR64(omsg.msg_iov), omsg.msg_iovlen, 448 aiov, __arraycount(aiov)); 449 if (iov == NULL) 450 return EFAULT; 451 452 msg.msg_name = NETBSD32PTR64(omsg.msg_name); 453 msg.msg_namelen = omsg.msg_namelen; 454 msg.msg_iovlen = omsg.msg_iovlen; 455 msg.msg_iov = iov; 456 msg.msg_flags = SCARG(uap, flags) & MSG_USERFLAGS; 457 458 error = do_sys_recvmsg(l, SCARG(uap, s), &msg, &from, 459 NETBSD32PTR64(omsg.msg_accrights) != NULL ? &control : NULL, 460 retval); 461 if (error != 0) 462 return error; 463 464 /* 465 * If there is any control information and it's SCM_RIGHTS, 466 * pass it back to the program. 467 * XXX: maybe there can be more than one chunk of control data? 468 */ 469 if (NETBSD32PTR64(omsg.msg_accrights) != NULL && control != NULL) { 470 struct cmsghdr *cmsg = mtod(control, void *); 471 472 if (cmsg->cmsg_level == SOL_SOCKET 473 && cmsg->cmsg_type == SCM_RIGHTS 474 && cmsg->cmsg_len < omsg.msg_accrightslen 475 && copyout(CMSG_DATA(cmsg), 476 NETBSD32PTR64(omsg.msg_accrights), 477 cmsg->cmsg_len) == 0) { 478 omsg.msg_accrightslen = cmsg->cmsg_len; 479 free_control_mbuf(l, control, control->m_next); 480 } else { 481 omsg.msg_accrightslen = 0; 482 free_control_mbuf(l, control, control); 483 } 484 } else 485 omsg.msg_accrightslen = 0; 486 487 if (from != NULL) 488 /* convert from sockaddr sa_family to osockaddr one here */ 489 mtod(from, struct osockaddr *)->sa_family = 490 mtod(from, struct sockaddr *)->sa_family; 491 492 error = copyout_sockname(NETBSD32PTR64(omsg.msg_name), 493 &omsg.msg_namelen, 0, from); 494 if (from != NULL) 495 m_free(from); 496 497 if (error != 0) 498 error = copyout(&omsg, SCARG_P32(uap, msg), sizeof(omsg)); 499 500 return error; 501 } 502 503 int 504 compat_43_netbsd32_osendmsg(struct lwp *l, const struct compat_43_netbsd32_osendmsg_args *uap, register_t *retval) 505 { 506 /* { 507 syscallarg(int) s; 508 syscallarg(netbsd32_caddr_t) msg; 509 syscallarg(int) flags; 510 } */ 511 struct iovec *iov, aiov[UIO_SMALLIOV]; 512 struct netbsd32_omsghdr omsg; 513 struct msghdr msg; 514 int error; 515 struct mbuf *nam; 516 struct osockaddr *osa; 517 struct sockaddr *sa; 518 519 error = copyin(SCARG_P32(uap, msg), &omsg, sizeof (struct omsghdr)); 520 if (error != 0) 521 return (error); 522 523 iov = netbsd32_get_iov(NETBSD32PTR64(omsg.msg_iov), omsg.msg_iovlen, 524 aiov, __arraycount(aiov)); 525 if (iov == NULL) 526 return EFAULT; 527 528 msg.msg_iovlen = omsg.msg_iovlen; 529 msg.msg_iov = iov; 530 msg.msg_flags = MSG_NAMEMBUF; 531 532 error = sockargs(&nam, NETBSD32PTR64(omsg.msg_name), omsg.msg_namelen, 533 MT_SONAME); 534 if (error != 0) 535 goto out; 536 537 sa = mtod(nam, void *); 538 osa = mtod(nam, void *); 539 sa->sa_family = osa->sa_family; 540 sa->sa_len = omsg.msg_namelen; 541 542 msg.msg_name = nam; 543 msg.msg_namelen = omsg.msg_namelen; 544 error = compat43_set_accrights(&msg, NETBSD32PTR64(omsg.msg_accrights), 545 omsg.msg_accrightslen); 546 if (error != 0) { 547 m_free(nam); 548 goto out; 549 } 550 551 error = do_sys_sendmsg(l, SCARG(uap, s), &msg, SCARG(uap, flags), retval); 552 553 out: 554 if (iov != aiov) 555 free(iov, M_TEMP); 556 return (error); 557 } 558 559 int 560 compat_43_netbsd32_orecvfrom(struct lwp *l, const struct compat_43_netbsd32_orecvfrom_args *uap, register_t *retval) 561 { 562 /* { 563 syscallarg(int) s; 564 syscallarg(netbsd32_caddr_t) buf; 565 syscallarg(netbsd32_size_t) len; 566 syscallarg(int) flags; 567 syscallarg(netbsd32_caddr_t) from; 568 syscallarg(netbsd32_intp) fromlenaddr; 569 } */ 570 struct compat_43_sys_recvfrom_args ua; 571 572 NETBSD32TO64_UAP(s); 573 NETBSD32TOP_UAP(buf, void *); 574 NETBSD32TOX_UAP(len, size_t); 575 NETBSD32TO64_UAP(flags); 576 NETBSD32TOP_UAP(from, void *); 577 NETBSD32TOP_UAP(fromlenaddr, int); 578 return (compat_43_sys_recvfrom(l, &ua, retval)); 579 } 580 581 int 582 compat_43_netbsd32_ogetsockname(struct lwp *l, const struct compat_43_netbsd32_ogetsockname_args *uap, register_t *retval) 583 { 584 /* { 585 syscallarg(int) fdec; 586 syscallarg(netbsd32_caddr_t) asa; 587 syscallarg(netbsd32_intp) alen; 588 } */ 589 struct compat_43_sys_getsockname_args ua; 590 591 NETBSD32TO64_UAP(fdec); 592 NETBSD32TOP_UAP(asa, void *); 593 NETBSD32TOP_UAP(alen, int *); 594 return (compat_43_sys_getsockname(l, &ua, retval)); 595 } 596 597 int 598 compat_43_netbsd32_ogetpeername(struct lwp *l, const struct compat_43_netbsd32_ogetpeername_args *uap, register_t *retval) 599 { 600 /* { 601 syscallarg(int) fdes; 602 syscallarg(netbsd32_caddr_t) asa; 603 syscallarg(netbsd32_intp) alen; 604 } */ 605 struct compat_43_sys_getpeername_args ua; 606 607 NETBSD32TO64_UAP(fdes); 608 NETBSD32TOP_UAP(asa, void *); 609 NETBSD32TOP_UAP(alen, int *); 610 return (compat_43_sys_getpeername(l, &ua, retval)); 611 } 612 613 /* signal syscalls */ 614 int 615 compat_43_netbsd32_osigvec(struct lwp *l, const struct compat_43_netbsd32_osigvec_args *uap, register_t *retval) 616 { 617 /* { 618 syscallarg(int) signum; 619 syscallarg(netbsd32_sigvecp_t) nsv; 620 syscallarg(netbsd32_sigvecp_t) osv; 621 } */ 622 struct netbsd32_sigvec sv32; 623 struct sigaction nsa, osa; 624 int error; 625 626 if (SCARG(uap, signum) >= 32) 627 return EINVAL; 628 629 if (SCARG_P32(uap, nsv)) { 630 error = copyin(SCARG_P32(uap, nsv), &sv32, sizeof(sv32)); 631 if (error) 632 return error; 633 nsa.sa_handler = NETBSD32PTR64(sv32.sv_handler); 634 nsa.sa_mask.__bits[0] = sv32.sv_mask; 635 nsa.sa_mask.__bits[1] = 0; 636 nsa.sa_mask.__bits[2] = 0; 637 nsa.sa_mask.__bits[3] = 0; 638 nsa.sa_flags = sv32.sv_flags ^ SA_RESTART; 639 error = sigaction1(l, SCARG(uap, signum), &nsa, &osa, NULL, 0); 640 } else 641 error = sigaction1(l, SCARG(uap, signum), NULL, &osa, NULL, 0); 642 if (error) 643 return error; 644 645 if (SCARG_P32(uap, osv)) { 646 NETBSD32PTR32(sv32.sv_handler, osa.sa_handler); 647 sv32.sv_mask = osa.sa_mask.__bits[0]; 648 sv32.sv_flags = osa.sa_flags ^ SA_RESTART; 649 error = copyout(&sv32, SCARG_P32(uap, osv), sizeof(sv32)); 650 } 651 652 return error; 653 } 654 655 int 656 compat_43_netbsd32_sigblock(struct lwp *l, const struct compat_43_netbsd32_sigblock_args *uap, register_t *retval) 657 { 658 /* { 659 syscallarg(int) mask; 660 } */ 661 struct compat_43_sys_sigblock_args ua; 662 663 NETBSD32TO64_UAP(mask); 664 return (compat_43_sys_sigblock(l, &ua, retval)); 665 } 666 667 int 668 compat_43_netbsd32_sigsetmask(struct lwp *l, const struct compat_43_netbsd32_sigsetmask_args *uap, register_t *retval) 669 { 670 /* { 671 syscallarg(int) mask; 672 } */ 673 struct compat_43_sys_sigsetmask_args ua; 674 675 NETBSD32TO64_UAP(mask); 676 return (compat_43_sys_sigsetmask(l, &ua, retval)); 677 } 678 679 int 680 compat_43_netbsd32_osigstack(struct lwp *l, const struct compat_43_netbsd32_osigstack_args *uap, register_t *retval) 681 { 682 /* { 683 syscallarg(netbsd32_sigstackp_t) nss; 684 syscallarg(netbsd32_sigstackp_t) oss; 685 } */ 686 struct netbsd32_sigstack ss32; 687 struct sigaltstack nsa, osa; 688 int error; 689 690 if (SCARG_P32(uap, nss)) { 691 error = copyin(SCARG_P32(uap, nss), &ss32, sizeof(ss32)); 692 if (error) 693 return error; 694 nsa.ss_sp = NETBSD32PTR64(ss32.ss_sp); 695 nsa.ss_size = SIGSTKSZ; /* Use the recommended size */ 696 nsa.ss_flags = ss32.ss_onstack ? SS_ONSTACK : 0; 697 error = sigaltstack1(l, &nsa, &osa); 698 } else 699 error = sigaltstack1(l, NULL, &osa); 700 if (error) 701 return error; 702 703 if (SCARG_P32(uap, oss)) { 704 NETBSD32PTR32(ss32.ss_sp, osa.ss_sp); 705 ss32.ss_onstack = (osa.ss_flags & SS_ONSTACK) != 0; 706 error = copyout(&ss32, SCARG_P32(uap, oss), sizeof(ss32)); 707 } 708 709 return error; 710 } 711
Indexes created Thu Oct 02 14:10:14 GMT 2025