1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 27 /* All rights reserved. */ 28 29 30 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.29 */ 31 32 #include <sys/types.h> 33 #include <sys/param.h> 34 #include <sys/vmparam.h> 35 #include <sys/var.h> 36 #include <sys/cmn_err.h> 37 #include <sys/cred.h> 38 #include <sys/debug.h> 39 #include <sys/errno.h> 40 #include <sys/file.h> 41 #include <sys/inline.h> 42 #include <sys/kmem.h> 43 #include <sys/proc.h> 44 #include <sys/sysmacros.h> 45 #include <sys/systm.h> 46 #include <sys/vfs.h> 47 #include <sys/vnode.h> 48 #include <sys/cpuvar.h> 49 #include <sys/session.h> 50 #include <sys/signal.h> 51 #include <sys/auxv.h> 52 #include <sys/user.h> 53 #include <sys/disp.h> 54 #include <sys/class.h> 55 #include <sys/ts.h> 56 #include <sys/mman.h> 57 #include <sys/fault.h> 58 #include <sys/syscall.h> 59 #include <sys/schedctl.h> 60 #include <sys/pset.h> 61 #include <sys/old_procfs.h> 62 #include <sys/zone.h> 63 #include <sys/time.h> 64 #include <sys/msacct.h> 65 #include <vm/rm.h> 66 #include <vm/as.h> 67 #include <vm/rm.h> 68 #include <vm/seg.h> 69 #include <vm/seg_vn.h> 70 #include <sys/contract_impl.h> 71 #include <sys/ctfs_impl.h> 72 #include <sys/ctfs.h> 73 74 #if defined(__i386) || defined(__i386_COMPAT) 75 #include <sys/sysi86.h> 76 #endif 77 78 #include <fs/proc/prdata.h> 79 80 static int isprwrioctl(int); 81 static ulong_t prmaprunflags(long); 82 static long prmapsetflags(long); 83 static void prsetrun(kthread_t *, prrun_t *); 84 static int propenm(prnode_t *, caddr_t, caddr_t, int *, cred_t *); 85 extern void oprgetstatus(kthread_t *, prstatus_t *, zone_t *); 86 extern void oprgetpsinfo(proc_t *, prpsinfo_t *, kthread_t *); 87 static int oprgetmap(proc_t *, list_t *); 88 89 /*ARGSUSED*/ 90 static int 91 prctioctl(prnode_t *pnp, int cmd, intptr_t arg, int flag, cred_t *cr) 92 { 93 int error = 0; 94 ct_param_t param; 95 ct_template_t *tmpl; 96 97 if (cmd != CT_TSET && cmd != CT_TGET) 98 return (EINVAL); 99 100 if (copyin((void *)arg, ¶m, sizeof (ct_param_t))) 101 return (EFAULT); 102 103 if ((error = prlock(pnp, ZNO)) != 0) 104 return (error); 105 106 tmpl = pnp->pr_common->prc_thread->t_lwp->lwp_ct_active[pnp->pr_cttype]; 107 if (tmpl == NULL) { 108 prunlock(pnp); 109 return (ESTALE); 110 } 111 112 if (cmd == CT_TSET) 113 error = ctmpl_set(tmpl, ¶m, cr); 114 else 115 error = ctmpl_get(tmpl, ¶m); 116 117 prunlock(pnp); 118 119 if (cmd == CT_TGET && error == 0 && 120 copyout(¶m, (void *)arg, sizeof (ct_param_t))) 121 error = EFAULT; 122 123 return (error); 124 } 125 126 127 /* 128 * Control operations (lots). 129 */ 130 /*ARGSUSED*/ 131 #ifdef _SYSCALL32_IMPL 132 static int 133 prioctl64( 134 struct vnode *vp, 135 int cmd, 136 intptr_t arg, 137 int flag, 138 cred_t *cr, 139 int *rvalp, 140 caller_context_t *ct) 141 #else 142 int 143 prioctl( 144 struct vnode *vp, 145 int cmd, 146 intptr_t arg, 147 int flag, 148 cred_t *cr, 149 int *rvalp, 150 caller_context_t *ct) 151 #endif /* _SYSCALL32_IMPL */ 152 { 153 caddr_t cmaddr = (caddr_t)arg; 154 proc_t *p; 155 user_t *up; 156 kthread_t *t; 157 klwp_t *lwp; 158 prnode_t *pnp = VTOP(vp); 159 prcommon_t *pcp; 160 prnode_t *xpnp = NULL; 161 int error; 162 int zdisp; 163 void *thing = NULL; 164 size_t thingsize = 0; 165 166 /* 167 * For copyin()/copyout(). 168 */ 169 union { 170 caddr_t va; 171 int signo; 172 int nice; 173 uint_t lwpid; 174 long flags; 175 prstatus_t prstat; 176 prrun_t prrun; 177 sigset_t smask; 178 siginfo_t info; 179 sysset_t prmask; 180 prgregset_t regs; 181 prfpregset_t fpregs; 182 prpsinfo_t prps; 183 sigset_t holdmask; 184 fltset_t fltmask; 185 prcred_t prcred; 186 prhusage_t prhusage; 187 prmap_t prmap; 188 auxv_t auxv[__KERN_NAUXV_IMPL]; 189 } un; 190 191 if (pnp->pr_type == PR_TMPL) 192 return (prctioctl(pnp, cmd, arg, flag, cr)); 193 194 /* 195 * Support for old /proc interface. 196 */ 197 if (pnp->pr_pidfile != NULL) { 198 ASSERT(pnp->pr_type == PR_PIDDIR); 199 vp = pnp->pr_pidfile; 200 pnp = VTOP(vp); 201 ASSERT(pnp->pr_type == PR_PIDFILE); 202 } 203 204 if (pnp->pr_type != PR_PIDFILE && pnp->pr_type != PR_LWPIDFILE) 205 return (ENOTTY); 206 207 /* 208 * Fail ioctls which are logically "write" requests unless 209 * the user has write permission. 210 */ 211 if ((flag & FWRITE) == 0 && isprwrioctl(cmd)) 212 return (EBADF); 213 214 /* 215 * Perform any necessary copyin() operations before 216 * locking the process. Helps avoid deadlocks and 217 * improves performance. 218 * 219 * Also, detect invalid ioctl codes here to avoid 220 * locking a process unnnecessarily. 221 * 222 * Also, prepare to allocate space that will be needed below, 223 * case by case. 224 */ 225 error = 0; 226 switch (cmd) { 227 case PIOCGETPR: 228 thingsize = sizeof (proc_t); 229 break; 230 case PIOCGETU: 231 thingsize = sizeof (user_t); 232 break; 233 case PIOCSTOP: 234 case PIOCWSTOP: 235 case PIOCLWPIDS: 236 case PIOCGTRACE: 237 case PIOCGENTRY: 238 case PIOCGEXIT: 239 case PIOCSRLC: 240 case PIOCRRLC: 241 case PIOCSFORK: 242 case PIOCRFORK: 243 case PIOCGREG: 244 case PIOCGFPREG: 245 case PIOCSTATUS: 246 case PIOCLSTATUS: 247 case PIOCPSINFO: 248 case PIOCMAXSIG: 249 case PIOCGXREGSIZE: 250 break; 251 case PIOCSXREG: /* set extra registers */ 252 case PIOCGXREG: /* get extra registers */ 253 #if defined(__sparc) 254 thingsize = sizeof (prxregset_t); 255 #else 256 thingsize = 0; 257 #endif 258 break; 259 case PIOCACTION: 260 thingsize = (NSIG-1) * sizeof (struct sigaction); 261 break; 262 case PIOCGHOLD: 263 case PIOCNMAP: 264 case PIOCMAP: 265 case PIOCGFAULT: 266 case PIOCCFAULT: 267 case PIOCCRED: 268 case PIOCGROUPS: 269 case PIOCUSAGE: 270 case PIOCLUSAGE: 271 break; 272 case PIOCOPENPD: 273 /* 274 * We will need this below. 275 * Allocate it now, before locking the process. 276 */ 277 xpnp = prgetnode(vp, PR_OPAGEDATA); 278 break; 279 case PIOCNAUXV: 280 case PIOCAUXV: 281 break; 282 283 #if defined(__i386) || defined(__amd64) 284 case PIOCNLDT: 285 case PIOCLDT: 286 break; 287 #endif /* __i386 || __amd64 */ 288 289 #if defined(__sparc) 290 case PIOCGWIN: 291 thingsize = sizeof (gwindows_t); 292 break; 293 #endif /* __sparc */ 294 295 case PIOCOPENM: /* open mapped object for reading */ 296 if (cmaddr == NULL) 297 un.va = NULL; 298 else if (copyin(cmaddr, &un.va, sizeof (un.va))) 299 error = EFAULT; 300 break; 301 302 case PIOCRUN: /* make lwp or process runnable */ 303 if (cmaddr == NULL) 304 un.prrun.pr_flags = 0; 305 else if (copyin(cmaddr, &un.prrun, sizeof (un.prrun))) 306 error = EFAULT; 307 break; 308 309 case PIOCOPENLWP: /* return /proc lwp file descriptor */ 310 if (copyin(cmaddr, &un.lwpid, sizeof (un.lwpid))) 311 error = EFAULT; 312 break; 313 314 case PIOCSTRACE: /* set signal trace mask */ 315 if (copyin(cmaddr, &un.smask, sizeof (un.smask))) 316 error = EFAULT; 317 break; 318 319 case PIOCSSIG: /* set current signal */ 320 if (cmaddr == NULL) 321 un.info.si_signo = 0; 322 else if (copyin(cmaddr, &un.info, sizeof (un.info))) 323 error = EFAULT; 324 break; 325 326 case PIOCKILL: /* send signal */ 327 case PIOCUNKILL: /* delete a signal */ 328 if (copyin(cmaddr, &un.signo, sizeof (un.signo))) 329 error = EFAULT; 330 break; 331 332 case PIOCNICE: /* set nice priority */ 333 if (copyin(cmaddr, &un.nice, sizeof (un.nice))) 334 error = EFAULT; 335 break; 336 337 case PIOCSENTRY: /* set syscall entry bit mask */ 338 case PIOCSEXIT: /* set syscall exit bit mask */ 339 if (copyin(cmaddr, &un.prmask, sizeof (un.prmask))) 340 error = EFAULT; 341 break; 342 343 case PIOCSET: /* set process flags */ 344 case PIOCRESET: /* reset process flags */ 345 if (copyin(cmaddr, &un.flags, sizeof (un.flags))) 346 error = EFAULT; 347 break; 348 349 case PIOCSREG: /* set general registers */ 350 if (copyin(cmaddr, un.regs, sizeof (un.regs))) 351 error = EFAULT; 352 break; 353 354 case PIOCSFPREG: /* set floating-point registers */ 355 if (copyin(cmaddr, &un.fpregs, sizeof (un.fpregs))) 356 error = EFAULT; 357 break; 358 359 case PIOCSHOLD: /* set signal-hold mask */ 360 if (copyin(cmaddr, &un.holdmask, sizeof (un.holdmask))) 361 error = EFAULT; 362 break; 363 364 case PIOCSFAULT: /* set mask of traced faults */ 365 if (copyin(cmaddr, &un.fltmask, sizeof (un.fltmask))) 366 error = EFAULT; 367 break; 368 369 default: 370 error = EINVAL; 371 break; 372 } 373 374 if (error) 375 return (error); 376 377 startover: 378 /* 379 * If we need kmem_alloc()d space then we allocate it now, before 380 * grabbing the process lock. Using kmem_alloc(KM_SLEEP) while 381 * holding the process lock leads to deadlock with the clock thread. 382 * (The clock thread wakes up the pageout daemon to free up space. 383 * If the clock thread blocks behind us and we are sleeping waiting 384 * for space, then space may never become available.) 385 */ 386 if (thingsize) { 387 ASSERT(thing == NULL); 388 thing = kmem_alloc(thingsize, KM_SLEEP); 389 } 390 391 switch (cmd) { 392 case PIOCPSINFO: 393 case PIOCGETPR: 394 case PIOCUSAGE: 395 case PIOCLUSAGE: 396 zdisp = ZYES; 397 break; 398 case PIOCSXREG: /* set extra registers */ 399 /* 400 * perform copyin before grabbing the process lock 401 */ 402 if (thing) { 403 if (copyin(cmaddr, thing, thingsize)) { 404 kmem_free(thing, thingsize); 405 return (EFAULT); 406 } 407 } 408 /* fall through... */ 409 default: 410 zdisp = ZNO; 411 break; 412 } 413 414 if ((error = prlock(pnp, zdisp)) != 0) { 415 if (thing != NULL) 416 kmem_free(thing, thingsize); 417 if (xpnp) 418 prfreenode(xpnp); 419 return (error); 420 } 421 422 pcp = pnp->pr_common; 423 p = pcp->prc_proc; 424 ASSERT(p != NULL); 425 426 /* 427 * Choose a thread/lwp for the operation. 428 */ 429 if (zdisp == ZNO && cmd != PIOCSTOP && cmd != PIOCWSTOP) { 430 if (pnp->pr_type == PR_LWPIDFILE && cmd != PIOCLSTATUS) { 431 t = pcp->prc_thread; 432 ASSERT(t != NULL); 433 } else { 434 t = prchoose(p); /* returns locked thread */ 435 ASSERT(t != NULL); 436 thread_unlock(t); 437 } 438 lwp = ttolwp(t); 439 } 440 441 error = 0; 442 switch (cmd) { 443 444 case PIOCGETPR: /* read struct proc */ 445 { 446 proc_t *prp = thing; 447 448 *prp = *p; 449 prunlock(pnp); 450 if (copyout(prp, cmaddr, sizeof (proc_t))) 451 error = EFAULT; 452 kmem_free(prp, sizeof (proc_t)); 453 thing = NULL; 454 break; 455 } 456 457 case PIOCGETU: /* read u-area */ 458 { 459 user_t *userp = thing; 460 461 up = PTOU(p); 462 *userp = *up; 463 prunlock(pnp); 464 if (copyout(userp, cmaddr, sizeof (user_t))) 465 error = EFAULT; 466 kmem_free(userp, sizeof (user_t)); 467 thing = NULL; 468 break; 469 } 470 471 case PIOCOPENM: /* open mapped object for reading */ 472 error = propenm(pnp, cmaddr, un.va, rvalp, cr); 473 /* propenm() called prunlock(pnp) */ 474 break; 475 476 case PIOCSTOP: /* stop process or lwp from running */ 477 case PIOCWSTOP: /* wait for process or lwp to stop */ 478 /* 479 * Can't apply to a system process. 480 */ 481 if ((p->p_flag & SSYS) || p->p_as == &kas) { 482 prunlock(pnp); 483 error = EBUSY; 484 break; 485 } 486 487 if (cmd == PIOCSTOP) 488 pr_stop(pnp); 489 490 /* 491 * If an lwp is waiting for itself or its process, don't wait. 492 * The stopped lwp would never see the fact that it is stopped. 493 */ 494 if ((pnp->pr_type == PR_LWPIDFILE)? 495 (pcp->prc_thread == curthread) : (p == curproc)) { 496 if (cmd == PIOCWSTOP) 497 error = EBUSY; 498 prunlock(pnp); 499 break; 500 } 501 502 if ((error = pr_wait_stop(pnp, (time_t)0)) != 0) 503 break; /* pr_wait_stop() unlocked the process */ 504 505 if (cmaddr == NULL) 506 prunlock(pnp); 507 else { 508 /* 509 * Return process/lwp status information. 510 */ 511 t = pr_thread(pnp); /* returns locked thread */ 512 thread_unlock(t); 513 oprgetstatus(t, &un.prstat, VTOZONE(vp)); 514 prunlock(pnp); 515 if (copyout(&un.prstat, cmaddr, sizeof (un.prstat))) 516 error = EFAULT; 517 } 518 break; 519 520 case PIOCRUN: /* make lwp or process runnable */ 521 { 522 long flags = un.prrun.pr_flags; 523 524 /* 525 * Cannot set an lwp running is it is not stopped. 526 * Also, no lwp other than the /proc agent lwp can 527 * be set running so long as the /proc agent lwp exists. 528 */ 529 if ((!ISTOPPED(t) && !VSTOPPED(t) && 530 !(t->t_proc_flag & TP_PRSTOP)) || 531 (p->p_agenttp != NULL && 532 (t != p->p_agenttp || pnp->pr_type != PR_LWPIDFILE))) { 533 prunlock(pnp); 534 error = EBUSY; 535 break; 536 } 537 538 if (flags & (PRSHOLD|PRSTRACE|PRSFAULT|PRSVADDR)) 539 prsetrun(t, &un.prrun); 540 541 error = pr_setrun(pnp, prmaprunflags(flags)); 542 543 prunlock(pnp); 544 break; 545 } 546 547 case PIOCLWPIDS: /* get array of lwp identifiers */ 548 { 549 int nlwp; 550 int Nlwp; 551 id_t *idp; 552 id_t *Bidp; 553 554 Nlwp = nlwp = p->p_lwpcnt; 555 556 if (thing && thingsize != (Nlwp+1) * sizeof (id_t)) { 557 kmem_free(thing, thingsize); 558 thing = NULL; 559 } 560 if (thing == NULL) { 561 thingsize = (Nlwp+1) * sizeof (id_t); 562 thing = kmem_alloc(thingsize, KM_NOSLEEP); 563 } 564 if (thing == NULL) { 565 prunlock(pnp); 566 goto startover; 567 } 568 569 idp = thing; 570 thing = NULL; 571 Bidp = idp; 572 if ((t = p->p_tlist) != NULL) { 573 do { 574 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 575 ASSERT(nlwp > 0); 576 --nlwp; 577 *idp++ = t->t_tid; 578 } while ((t = t->t_forw) != p->p_tlist); 579 } 580 *idp = 0; 581 ASSERT(nlwp == 0); 582 prunlock(pnp); 583 if (copyout(Bidp, cmaddr, (Nlwp+1) * sizeof (id_t))) 584 error = EFAULT; 585 kmem_free(Bidp, (Nlwp+1) * sizeof (id_t)); 586 break; 587 } 588 589 case PIOCOPENLWP: /* return /proc lwp file descriptor */ 590 { 591 vnode_t *xvp; 592 int n; 593 594 prunlock(pnp); 595 if ((xvp = prlwpnode(pnp, un.lwpid)) == NULL) 596 error = ENOENT; 597 else if (error = fassign(&xvp, flag & (FREAD|FWRITE), &n)) { 598 VN_RELE(xvp); 599 } else 600 *rvalp = n; 601 break; 602 } 603 604 case PIOCOPENPD: /* return /proc page data file descriptor */ 605 { 606 vnode_t *xvp = PTOV(xpnp); 607 vnode_t *dp = pnp->pr_parent; 608 int n; 609 610 if (pnp->pr_type == PR_LWPIDFILE) { 611 dp = VTOP(dp)->pr_parent; 612 dp = VTOP(dp)->pr_parent; 613 } 614 ASSERT(VTOP(dp)->pr_type == PR_PIDDIR); 615 616 VN_HOLD(dp); 617 pcp = pnp->pr_pcommon; 618 xpnp->pr_ino = ptoi(pcp->prc_pid); 619 xpnp->pr_common = pcp; 620 xpnp->pr_pcommon = pcp; 621 xpnp->pr_parent = dp; 622 623 xpnp->pr_next = p->p_plist; 624 p->p_plist = xvp; 625 626 prunlock(pnp); 627 if (error = fassign(&xvp, FREAD, &n)) { 628 VN_RELE(xvp); 629 } else 630 *rvalp = n; 631 632 xpnp = NULL; 633 break; 634 } 635 636 case PIOCGTRACE: /* get signal trace mask */ 637 prassignset(&un.smask, &p->p_sigmask); 638 prunlock(pnp); 639 if (copyout(&un.smask, cmaddr, sizeof (un.smask))) 640 error = EFAULT; 641 break; 642 643 case PIOCSTRACE: /* set signal trace mask */ 644 prdelset(&un.smask, SIGKILL); 645 prassignset(&p->p_sigmask, &un.smask); 646 if (!sigisempty(&p->p_sigmask)) 647 p->p_proc_flag |= P_PR_TRACE; 648 else if (prisempty(&p->p_fltmask)) { 649 up = PTOU(p); 650 if (up->u_systrap == 0) 651 p->p_proc_flag &= ~P_PR_TRACE; 652 } 653 prunlock(pnp); 654 break; 655 656 case PIOCSSIG: /* set current signal */ 657 error = pr_setsig(pnp, &un.info); 658 prunlock(pnp); 659 if (un.info.si_signo == SIGKILL && error == 0) 660 pr_wait_die(pnp); 661 break; 662 663 case PIOCKILL: /* send signal */ 664 { 665 int sig = (int)un.signo; 666 667 error = pr_kill(pnp, sig, cr); 668 prunlock(pnp); 669 if (sig == SIGKILL && error == 0) 670 pr_wait_die(pnp); 671 break; 672 } 673 674 case PIOCUNKILL: /* delete a signal */ 675 error = pr_unkill(pnp, (int)un.signo); 676 prunlock(pnp); 677 break; 678 679 case PIOCNICE: /* set nice priority */ 680 error = pr_nice(p, (int)un.nice, cr); 681 prunlock(pnp); 682 break; 683 684 case PIOCGENTRY: /* get syscall entry bit mask */ 685 case PIOCGEXIT: /* get syscall exit bit mask */ 686 up = PTOU(p); 687 if (cmd == PIOCGENTRY) { 688 prassignset(&un.prmask, &up->u_entrymask); 689 } else { 690 prassignset(&un.prmask, &up->u_exitmask); 691 } 692 prunlock(pnp); 693 if (copyout(&un.prmask, cmaddr, sizeof (un.prmask))) 694 error = EFAULT; 695 break; 696 697 case PIOCSENTRY: /* set syscall entry bit mask */ 698 case PIOCSEXIT: /* set syscall exit bit mask */ 699 pr_setentryexit(p, &un.prmask, cmd == PIOCSENTRY); 700 prunlock(pnp); 701 break; 702 703 case PIOCSRLC: /* obsolete: set running on last /proc close */ 704 error = pr_set(p, prmapsetflags(PR_RLC)); 705 prunlock(pnp); 706 break; 707 708 case PIOCRRLC: /* obsolete: reset run-on-last-close flag */ 709 error = pr_unset(p, prmapsetflags(PR_RLC)); 710 prunlock(pnp); 711 break; 712 713 case PIOCSFORK: /* obsolete: set inherit-on-fork flag */ 714 error = pr_set(p, prmapsetflags(PR_FORK)); 715 prunlock(pnp); 716 break; 717 718 case PIOCRFORK: /* obsolete: reset inherit-on-fork flag */ 719 error = pr_unset(p, prmapsetflags(PR_FORK)); 720 prunlock(pnp); 721 break; 722 723 case PIOCSET: /* set process flags */ 724 error = pr_set(p, prmapsetflags(un.flags)); 725 prunlock(pnp); 726 break; 727 728 case PIOCRESET: /* reset process flags */ 729 error = pr_unset(p, prmapsetflags(un.flags)); 730 prunlock(pnp); 731 break; 732 733 case PIOCGREG: /* get general registers */ 734 if (t->t_state != TS_STOPPED && !VSTOPPED(t)) 735 bzero(un.regs, sizeof (un.regs)); 736 else { 737 /* drop p_lock while touching the lwp's stack */ 738 mutex_exit(&p->p_lock); 739 prgetprregs(lwp, un.regs); 740 mutex_enter(&p->p_lock); 741 } 742 prunlock(pnp); 743 if (copyout(un.regs, cmaddr, sizeof (un.regs))) 744 error = EFAULT; 745 break; 746 747 case PIOCSREG: /* set general registers */ 748 if (!ISTOPPED(t) && !VSTOPPED(t) && !DSTOPPED(t)) 749 error = EBUSY; 750 else { 751 /* drop p_lock while touching the lwp's stack */ 752 mutex_exit(&p->p_lock); 753 prsetprregs(lwp, un.regs, 0); 754 mutex_enter(&p->p_lock); 755 } 756 prunlock(pnp); 757 break; 758 759 case PIOCGFPREG: /* get floating-point registers */ 760 if (!prhasfp()) { 761 prunlock(pnp); 762 error = EINVAL; /* No FP support */ 763 break; 764 } 765 766 if (t->t_state != TS_STOPPED && !VSTOPPED(t)) 767 bzero(&un.fpregs, sizeof (un.fpregs)); 768 else { 769 /* drop p_lock while touching the lwp's stack */ 770 mutex_exit(&p->p_lock); 771 prgetprfpregs(lwp, &un.fpregs); 772 mutex_enter(&p->p_lock); 773 } 774 prunlock(pnp); 775 if (copyout(&un.fpregs, cmaddr, sizeof (un.fpregs))) 776 error = EFAULT; 777 break; 778 779 case PIOCSFPREG: /* set floating-point registers */ 780 if (!prhasfp()) 781 error = EINVAL; /* No FP support */ 782 else if (!ISTOPPED(t) && !VSTOPPED(t) && !DSTOPPED(t)) 783 error = EBUSY; 784 else { 785 /* drop p_lock while touching the lwp's stack */ 786 mutex_exit(&p->p_lock); 787 prsetprfpregs(lwp, &un.fpregs); 788 mutex_enter(&p->p_lock); 789 } 790 prunlock(pnp); 791 break; 792 793 case PIOCGXREGSIZE: /* get the size of the extra registers */ 794 { 795 int xregsize; 796 797 if (prhasx(p)) { 798 xregsize = prgetprxregsize(p); 799 prunlock(pnp); 800 if (copyout(&xregsize, cmaddr, sizeof (xregsize))) 801 error = EFAULT; 802 } else { 803 prunlock(pnp); 804 error = EINVAL; /* No extra register support */ 805 } 806 break; 807 } 808 809 case PIOCGXREG: /* get extra registers */ 810 if (prhasx(p)) { 811 bzero(thing, thingsize); 812 if (t->t_state == TS_STOPPED || VSTOPPED(t)) { 813 /* drop p_lock to touch the stack */ 814 mutex_exit(&p->p_lock); 815 prgetprxregs(lwp, thing); 816 mutex_enter(&p->p_lock); 817 } 818 prunlock(pnp); 819 if (copyout(thing, cmaddr, thingsize)) 820 error = EFAULT; 821 } else { 822 prunlock(pnp); 823 error = EINVAL; /* No extra register support */ 824 } 825 if (thing) { 826 kmem_free(thing, thingsize); 827 thing = NULL; 828 } 829 break; 830 831 case PIOCSXREG: /* set extra registers */ 832 if (!ISTOPPED(t) && !VSTOPPED(t) && !DSTOPPED(t)) 833 error = EBUSY; 834 else if (!prhasx(p)) 835 error = EINVAL; /* No extra register support */ 836 else if (thing) { 837 /* drop p_lock while touching the lwp's stack */ 838 mutex_exit(&p->p_lock); 839 prsetprxregs(lwp, thing); 840 mutex_enter(&p->p_lock); 841 } 842 prunlock(pnp); 843 if (thing) { 844 kmem_free(thing, thingsize); 845 thing = NULL; 846 } 847 break; 848 849 case PIOCSTATUS: /* get process/lwp status */ 850 oprgetstatus(t, &un.prstat, VTOZONE(vp)); 851 prunlock(pnp); 852 if (copyout(&un.prstat, cmaddr, sizeof (un.prstat))) 853 error = EFAULT; 854 break; 855 856 case PIOCLSTATUS: /* get status for process & all lwps */ 857 { 858 int Nlwp; 859 int nlwp; 860 prstatus_t *Bprsp; 861 prstatus_t *prsp; 862 863 nlwp = Nlwp = p->p_lwpcnt; 864 865 if (thing && thingsize != (Nlwp+1) * sizeof (prstatus_t)) { 866 kmem_free(thing, thingsize); 867 thing = NULL; 868 } 869 if (thing == NULL) { 870 thingsize = (Nlwp+1) * sizeof (prstatus_t); 871 thing = kmem_alloc(thingsize, KM_NOSLEEP); 872 } 873 if (thing == NULL) { 874 prunlock(pnp); 875 goto startover; 876 } 877 878 Bprsp = thing; 879 thing = NULL; 880 prsp = Bprsp; 881 oprgetstatus(t, prsp, VTOZONE(vp)); 882 t = p->p_tlist; 883 do { 884 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 885 ASSERT(nlwp > 0); 886 --nlwp; 887 oprgetstatus(t, ++prsp, VTOZONE(vp)); 888 } while ((t = t->t_forw) != p->p_tlist); 889 ASSERT(nlwp == 0); 890 prunlock(pnp); 891 if (copyout(Bprsp, cmaddr, (Nlwp+1) * sizeof (prstatus_t))) 892 error = EFAULT; 893 894 kmem_free(Bprsp, (Nlwp+1) * sizeof (prstatus_t)); 895 break; 896 } 897 898 case PIOCPSINFO: /* get ps(1) information */ 899 { 900 prpsinfo_t *psp = &un.prps; 901 902 oprgetpsinfo(p, psp, 903 (pnp->pr_type == PR_LWPIDFILE)? pcp->prc_thread : NULL); 904 905 prunlock(pnp); 906 if (copyout(&un.prps, cmaddr, sizeof (un.prps))) 907 error = EFAULT; 908 break; 909 } 910 911 case PIOCMAXSIG: /* get maximum signal number */ 912 { 913 int n = NSIG-1; 914 915 prunlock(pnp); 916 if (copyout(&n, cmaddr, sizeof (n))) 917 error = EFAULT; 918 break; 919 } 920 921 case PIOCACTION: /* get signal action structures */ 922 { 923 uint_t sig; 924 struct sigaction *sap = thing; 925 926 up = PTOU(p); 927 for (sig = 1; sig < NSIG; sig++) 928 prgetaction(p, up, sig, &sap[sig-1]); 929 prunlock(pnp); 930 if (copyout(sap, cmaddr, (NSIG-1) * sizeof (struct sigaction))) 931 error = EFAULT; 932 kmem_free(sap, (NSIG-1) * sizeof (struct sigaction)); 933 thing = NULL; 934 break; 935 } 936 937 case PIOCGHOLD: /* get signal-hold mask */ 938 schedctl_finish_sigblock(t); 939 sigktou(&t->t_hold, &un.holdmask); 940 prunlock(pnp); 941 if (copyout(&un.holdmask, cmaddr, sizeof (un.holdmask))) 942 error = EFAULT; 943 break; 944 945 case PIOCSHOLD: /* set signal-hold mask */ 946 pr_sethold(pnp, &un.holdmask); 947 prunlock(pnp); 948 break; 949 950 case PIOCNMAP: /* get number of memory mappings */ 951 { 952 int n; 953 struct as *as = p->p_as; 954 955 if ((p->p_flag & SSYS) || as == &kas) 956 n = 0; 957 else { 958 mutex_exit(&p->p_lock); 959 AS_LOCK_ENTER(as, &as->a_lock, RW_WRITER); 960 n = prnsegs(as, 0); 961 AS_LOCK_EXIT(as, &as->a_lock); 962 mutex_enter(&p->p_lock); 963 } 964 prunlock(pnp); 965 if (copyout(&n, cmaddr, sizeof (int))) 966 error = EFAULT; 967 break; 968 } 969 970 case PIOCMAP: /* get memory map information */ 971 { 972 list_t iolhead; 973 struct as *as = p->p_as; 974 975 if ((p->p_flag & SSYS) || as == &kas) { 976 error = 0; 977 prunlock(pnp); 978 } else { 979 mutex_exit(&p->p_lock); 980 AS_LOCK_ENTER(as, &as->a_lock, RW_WRITER); 981 error = oprgetmap(p, &iolhead); 982 AS_LOCK_EXIT(as, &as->a_lock); 983 mutex_enter(&p->p_lock); 984 prunlock(pnp); 985 986 error = pr_iol_copyout_and_free(&iolhead, 987 &cmaddr, error); 988 } 989 /* 990 * The procfs PIOCMAP ioctl returns an all-zero buffer 991 * to indicate the end of the prmap[] array. 992 * Append it to whatever has already been copied out. 993 */ 994 bzero(&un.prmap, sizeof (un.prmap)); 995 if (!error && copyout(&un.prmap, cmaddr, sizeof (un.prmap))) 996 error = EFAULT; 997 998 break; 999 } 1000 1001 case PIOCGFAULT: /* get mask of traced faults */ 1002 prassignset(&un.fltmask, &p->p_fltmask); 1003 prunlock(pnp); 1004 if (copyout(&un.fltmask, cmaddr, sizeof (un.fltmask))) 1005 error = EFAULT; 1006 break; 1007 1008 case PIOCSFAULT: /* set mask of traced faults */ 1009 pr_setfault(p, &un.fltmask); 1010 prunlock(pnp); 1011 break; 1012 1013 case PIOCCFAULT: /* clear current fault */ 1014 lwp->lwp_curflt = 0; 1015 prunlock(pnp); 1016 break; 1017 1018 case PIOCCRED: /* get process credentials */ 1019 { 1020 cred_t *cp; 1021 1022 mutex_enter(&p->p_crlock); 1023 cp = p->p_cred; 1024 un.prcred.pr_euid = crgetuid(cp); 1025 un.prcred.pr_ruid = crgetruid(cp); 1026 un.prcred.pr_suid = crgetsuid(cp); 1027 un.prcred.pr_egid = crgetgid(cp); 1028 un.prcred.pr_rgid = crgetrgid(cp); 1029 un.prcred.pr_sgid = crgetsgid(cp); 1030 un.prcred.pr_ngroups = crgetngroups(cp); 1031 mutex_exit(&p->p_crlock); 1032 1033 prunlock(pnp); 1034 if (copyout(&un.prcred, cmaddr, sizeof (un.prcred))) 1035 error = EFAULT; 1036 break; 1037 } 1038 1039 case PIOCGROUPS: /* get supplementary groups */ 1040 { 1041 cred_t *cp; 1042 1043 mutex_enter(&p->p_crlock); 1044 cp = p->p_cred; 1045 crhold(cp); 1046 mutex_exit(&p->p_crlock); 1047 1048 prunlock(pnp); 1049 if (copyout(crgetgroups(cp), cmaddr, 1050 MAX(crgetngroups(cp), 1) * sizeof (gid_t))) 1051 error = EFAULT; 1052 crfree(cp); 1053 break; 1054 } 1055 1056 case PIOCUSAGE: /* get usage info */ 1057 { 1058 /* 1059 * For an lwp file descriptor, return just the lwp usage. 1060 * For a process file descriptor, return total usage, 1061 * all current lwps plus all defunct lwps. 1062 */ 1063 prhusage_t *pup = &un.prhusage; 1064 prusage_t *upup; 1065 1066 bzero(pup, sizeof (*pup)); 1067 pup->pr_tstamp = gethrtime(); 1068 1069 if (pnp->pr_type == PR_LWPIDFILE) { 1070 t = pcp->prc_thread; 1071 if (t != NULL) 1072 prgetusage(t, pup); 1073 else 1074 error = ENOENT; 1075 } else { 1076 pup->pr_count = p->p_defunct; 1077 pup->pr_create = p->p_mstart; 1078 pup->pr_term = p->p_mterm; 1079 1080 pup->pr_rtime = p->p_mlreal; 1081 pup->pr_utime = p->p_acct[LMS_USER]; 1082 pup->pr_stime = p->p_acct[LMS_SYSTEM]; 1083 pup->pr_ttime = p->p_acct[LMS_TRAP]; 1084 pup->pr_tftime = p->p_acct[LMS_TFAULT]; 1085 pup->pr_dftime = p->p_acct[LMS_DFAULT]; 1086 pup->pr_kftime = p->p_acct[LMS_KFAULT]; 1087 pup->pr_ltime = p->p_acct[LMS_USER_LOCK]; 1088 pup->pr_slptime = p->p_acct[LMS_SLEEP]; 1089 pup->pr_wtime = p->p_acct[LMS_WAIT_CPU]; 1090 pup->pr_stoptime = p->p_acct[LMS_STOPPED]; 1091 1092 pup->pr_minf = p->p_ru.minflt; 1093 pup->pr_majf = p->p_ru.majflt; 1094 pup->pr_nswap = p->p_ru.nswap; 1095 pup->pr_inblk = p->p_ru.inblock; 1096 pup->pr_oublk = p->p_ru.oublock; 1097 pup->pr_msnd = p->p_ru.msgsnd; 1098 pup->pr_mrcv = p->p_ru.msgrcv; 1099 pup->pr_sigs = p->p_ru.nsignals; 1100 pup->pr_vctx = p->p_ru.nvcsw; 1101 pup->pr_ictx = p->p_ru.nivcsw; 1102 pup->pr_sysc = p->p_ru.sysc; 1103 pup->pr_ioch = p->p_ru.ioch; 1104 1105 /* 1106 * Add the usage information for each active lwp. 1107 */ 1108 if ((t = p->p_tlist) != NULL && 1109 !(pcp->prc_flags & PRC_DESTROY)) { 1110 do { 1111 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 1112 pup->pr_count++; 1113 praddusage(t, pup); 1114 } while ((t = t->t_forw) != p->p_tlist); 1115 } 1116 } 1117 1118 prunlock(pnp); 1119 1120 upup = kmem_zalloc(sizeof (*upup), KM_SLEEP); 1121 prcvtusage(&un.prhusage, upup); 1122 if (copyout(upup, cmaddr, sizeof (*upup))) 1123 error = EFAULT; 1124 kmem_free(upup, sizeof (*upup)); 1125 1126 break; 1127 } 1128 1129 case PIOCLUSAGE: /* get detailed usage info */ 1130 { 1131 int Nlwp; 1132 int nlwp; 1133 prusage_t *upup; 1134 prusage_t *Bupup; 1135 prhusage_t *pup; 1136 hrtime_t curtime; 1137 1138 nlwp = Nlwp = (pcp->prc_flags & PRC_DESTROY)? 0 : p->p_lwpcnt; 1139 1140 if (thing && thingsize != 1141 sizeof (prhusage_t) + (Nlwp+1) * sizeof (prusage_t)) { 1142 kmem_free(thing, thingsize); 1143 thing = NULL; 1144 } 1145 if (thing == NULL) { 1146 thingsize = sizeof (prhusage_t) + 1147 (Nlwp+1) * sizeof (prusage_t); 1148 thing = kmem_alloc(thingsize, KM_NOSLEEP); 1149 } 1150 if (thing == NULL) { 1151 prunlock(pnp); 1152 goto startover; 1153 } 1154 1155 pup = thing; 1156 upup = Bupup = (prusage_t *)(pup + 1); 1157 1158 ASSERT(p == pcp->prc_proc); 1159 1160 curtime = gethrtime(); 1161 1162 /* 1163 * First the summation over defunct lwps. 1164 */ 1165 bzero(pup, sizeof (*pup)); 1166 pup->pr_count = p->p_defunct; 1167 pup->pr_tstamp = curtime; 1168 pup->pr_create = p->p_mstart; 1169 pup->pr_term = p->p_mterm; 1170 1171 pup->pr_rtime = p->p_mlreal; 1172 pup->pr_utime = p->p_acct[LMS_USER]; 1173 pup->pr_stime = p->p_acct[LMS_SYSTEM]; 1174 pup->pr_ttime = p->p_acct[LMS_TRAP]; 1175 pup->pr_tftime = p->p_acct[LMS_TFAULT]; 1176 pup->pr_dftime = p->p_acct[LMS_DFAULT]; 1177 pup->pr_kftime = p->p_acct[LMS_KFAULT]; 1178 pup->pr_ltime = p->p_acct[LMS_USER_LOCK]; 1179 pup->pr_slptime = p->p_acct[LMS_SLEEP]; 1180 pup->pr_wtime = p->p_acct[LMS_WAIT_CPU]; 1181 pup->pr_stoptime = p->p_acct[LMS_STOPPED]; 1182 1183 pup->pr_minf = p->p_ru.minflt; 1184 pup->pr_majf = p->p_ru.majflt; 1185 pup->pr_nswap = p->p_ru.nswap; 1186 pup->pr_inblk = p->p_ru.inblock; 1187 pup->pr_oublk = p->p_ru.oublock; 1188 pup->pr_msnd = p->p_ru.msgsnd; 1189 pup->pr_mrcv = p->p_ru.msgrcv; 1190 pup->pr_sigs = p->p_ru.nsignals; 1191 pup->pr_vctx = p->p_ru.nvcsw; 1192 pup->pr_ictx = p->p_ru.nivcsw; 1193 pup->pr_sysc = p->p_ru.sysc; 1194 pup->pr_ioch = p->p_ru.ioch; 1195 1196 prcvtusage(pup, upup); 1197 1198 /* 1199 * Fill one prusage struct for each active lwp. 1200 */ 1201 if ((t = p->p_tlist) != NULL && 1202 !(pcp->prc_flags & PRC_DESTROY)) { 1203 do { 1204 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 1205 ASSERT(nlwp > 0); 1206 --nlwp; 1207 upup++; 1208 prgetusage(t, pup); 1209 prcvtusage(pup, upup); 1210 } while ((t = t->t_forw) != p->p_tlist); 1211 } 1212 ASSERT(nlwp == 0); 1213 1214 prunlock(pnp); 1215 if (copyout(Bupup, cmaddr, (Nlwp+1) * sizeof (prusage_t))) 1216 error = EFAULT; 1217 kmem_free(thing, thingsize); 1218 thing = NULL; 1219 break; 1220 } 1221 1222 case PIOCNAUXV: /* get number of aux vector entries */ 1223 { 1224 int n = __KERN_NAUXV_IMPL; 1225 1226 prunlock(pnp); 1227 if (copyout(&n, cmaddr, sizeof (int))) 1228 error = EFAULT; 1229 break; 1230 } 1231 1232 case PIOCAUXV: /* get aux vector (see sys/auxv.h) */ 1233 { 1234 up = PTOU(p); 1235 bcopy(up->u_auxv, un.auxv, 1236 __KERN_NAUXV_IMPL * sizeof (auxv_t)); 1237 prunlock(pnp); 1238 if (copyout(un.auxv, cmaddr, 1239 __KERN_NAUXV_IMPL * sizeof (auxv_t))) 1240 error = EFAULT; 1241 break; 1242 } 1243 1244 #if defined(__i386) || defined(__amd64) 1245 case PIOCNLDT: /* get number of LDT entries */ 1246 { 1247 int n; 1248 1249 mutex_enter(&p->p_ldtlock); 1250 n = prnldt(p); 1251 mutex_exit(&p->p_ldtlock); 1252 prunlock(pnp); 1253 if (copyout(&n, cmaddr, sizeof (n))) 1254 error = EFAULT; 1255 break; 1256 } 1257 1258 case PIOCLDT: /* get LDT entries */ 1259 { 1260 struct ssd *ssd; 1261 int n; 1262 1263 mutex_enter(&p->p_ldtlock); 1264 n = prnldt(p); 1265 1266 if (thing && thingsize != (n+1) * sizeof (*ssd)) { 1267 kmem_free(thing, thingsize); 1268 thing = NULL; 1269 } 1270 if (thing == NULL) { 1271 thingsize = (n+1) * sizeof (*ssd); 1272 thing = kmem_alloc(thingsize, KM_NOSLEEP); 1273 } 1274 if (thing == NULL) { 1275 mutex_exit(&p->p_ldtlock); 1276 prunlock(pnp); 1277 goto startover; 1278 } 1279 1280 ssd = thing; 1281 thing = NULL; 1282 if (n != 0) 1283 prgetldt(p, ssd); 1284 mutex_exit(&p->p_ldtlock); 1285 prunlock(pnp); 1286 1287 /* mark the end of the list with a null entry */ 1288 bzero(&ssd[n], sizeof (*ssd)); 1289 if (copyout(ssd, cmaddr, (n+1) * sizeof (*ssd))) 1290 error = EFAULT; 1291 kmem_free(ssd, (n+1) * sizeof (*ssd)); 1292 break; 1293 } 1294 #endif /* __i386 || __amd64 */ 1295 1296 #if defined(__sparc) 1297 case PIOCGWIN: /* get gwindows_t (see sys/reg.h) */ 1298 { 1299 gwindows_t *gwp = thing; 1300 1301 /* drop p->p_lock while touching the stack */ 1302 mutex_exit(&p->p_lock); 1303 bzero(gwp, sizeof (*gwp)); 1304 prgetwindows(lwp, gwp); 1305 mutex_enter(&p->p_lock); 1306 prunlock(pnp); 1307 if (copyout(gwp, cmaddr, sizeof (*gwp))) 1308 error = EFAULT; 1309 kmem_free(gwp, sizeof (gwindows_t)); 1310 thing = NULL; 1311 break; 1312 } 1313 #endif /* __sparc */ 1314 1315 default: 1316 prunlock(pnp); 1317 error = EINVAL; 1318 break; 1319 1320 } 1321 1322 ASSERT(thing == NULL); 1323 ASSERT(xpnp == NULL); 1324 return (error); 1325 } 1326 1327 #ifdef _SYSCALL32_IMPL 1328 1329 static int oprgetmap32(proc_t *, list_t *); 1330 1331 void 1332 oprgetstatus32(kthread_t *t, prstatus32_t *sp, zone_t *zp) 1333 { 1334 proc_t *p = ttoproc(t); 1335 klwp_t *lwp = ttolwp(t); 1336 int32_t flags; 1337 user_t *up; 1338 ulong_t instr; 1339 1340 ASSERT(MUTEX_HELD(&p->p_lock)); 1341 1342 up = PTOU(p); 1343 bzero(sp, sizeof (*sp)); 1344 flags = 0L; 1345 if (t->t_state == TS_STOPPED) { 1346 flags |= PR_STOPPED; 1347 if ((t->t_schedflag & TS_PSTART) == 0) 1348 flags |= PR_ISTOP; 1349 } else if (VSTOPPED(t)) { 1350 flags |= PR_STOPPED|PR_ISTOP; 1351 } 1352 if (!(flags & PR_ISTOP) && (t->t_proc_flag & TP_PRSTOP)) 1353 flags |= PR_DSTOP; 1354 if (lwp->lwp_asleep) 1355 flags |= PR_ASLEEP; 1356 if (p->p_proc_flag & P_PR_FORK) 1357 flags |= PR_FORK; 1358 if (p->p_proc_flag & P_PR_RUNLCL) 1359 flags |= PR_RLC; 1360 if (p->p_proc_flag & P_PR_KILLCL) 1361 flags |= PR_KLC; 1362 if (p->p_proc_flag & P_PR_ASYNC) 1363 flags |= PR_ASYNC; 1364 if (p->p_proc_flag & P_PR_BPTADJ) 1365 flags |= PR_BPTADJ; 1366 if (p->p_proc_flag & P_PR_PTRACE) 1367 flags |= PR_PCOMPAT; 1368 if (t->t_proc_flag & TP_MSACCT) 1369 flags |= PR_MSACCT; 1370 sp->pr_flags = flags; 1371 if (VSTOPPED(t)) { 1372 sp->pr_why = PR_REQUESTED; 1373 sp->pr_what = 0; 1374 } else { 1375 sp->pr_why = t->t_whystop; 1376 sp->pr_what = t->t_whatstop; 1377 } 1378 1379 if (t->t_whystop == PR_FAULTED) { 1380 siginfo_kto32(&lwp->lwp_siginfo, &sp->pr_info); 1381 if (t->t_whatstop == FLTPAGE) 1382 sp->pr_info.si_addr = 1383 (caddr32_t)(uintptr_t)lwp->lwp_siginfo.si_addr; 1384 } else if (lwp->lwp_curinfo) 1385 siginfo_kto32(&lwp->lwp_curinfo->sq_info, &sp->pr_info); 1386 1387 if (SI_FROMUSER(&lwp->lwp_siginfo) && zp->zone_id != GLOBAL_ZONEID && 1388 sp->pr_info.si_zoneid != zp->zone_id) { 1389 sp->pr_info.si_pid = zp->zone_zsched->p_pid; 1390 sp->pr_info.si_uid = 0; 1391 sp->pr_info.si_ctid = -1; 1392 sp->pr_info.si_zoneid = zp->zone_id; 1393 } 1394 1395 sp->pr_cursig = lwp->lwp_cursig; 1396 prassignset(&sp->pr_sigpend, &p->p_sig); 1397 prassignset(&sp->pr_lwppend, &t->t_sig); 1398 schedctl_finish_sigblock(t); 1399 prassignset(&sp->pr_sighold, &t->t_hold); 1400 sp->pr_altstack.ss_sp = 1401 (caddr32_t)(uintptr_t)lwp->lwp_sigaltstack.ss_sp; 1402 sp->pr_altstack.ss_size = (size32_t)lwp->lwp_sigaltstack.ss_size; 1403 sp->pr_altstack.ss_flags = (int32_t)lwp->lwp_sigaltstack.ss_flags; 1404 prgetaction32(p, up, lwp->lwp_cursig, &sp->pr_action); 1405 sp->pr_pid = p->p_pid; 1406 if (curproc->p_zone->zone_id != GLOBAL_ZONEID && 1407 (p->p_flag & SZONETOP)) { 1408 ASSERT(p->p_zone->zone_id != GLOBAL_ZONEID); 1409 /* 1410 * Inside local zones, fake zsched's pid as parent pids for 1411 * processes which reference processes outside of the zone. 1412 */ 1413 sp->pr_ppid = curproc->p_zone->zone_zsched->p_pid; 1414 } else { 1415 sp->pr_ppid = p->p_ppid; 1416 } 1417 sp->pr_pgrp = p->p_pgrp; 1418 sp->pr_sid = p->p_sessp->s_sid; 1419 hrt2ts32(mstate_aggr_state(p, LMS_USER), &sp->pr_utime); 1420 hrt2ts32(mstate_aggr_state(p, LMS_SYSTEM), &sp->pr_stime); 1421 TICK_TO_TIMESTRUC32(p->p_cutime, &sp->pr_cutime); 1422 TICK_TO_TIMESTRUC32(p->p_cstime, &sp->pr_cstime); 1423 (void) strncpy(sp->pr_clname, sclass[t->t_cid].cl_name, 1424 sizeof (sp->pr_clname) - 1); 1425 sp->pr_who = t->t_tid; 1426 sp->pr_nlwp = p->p_lwpcnt; 1427 sp->pr_brkbase = (caddr32_t)(uintptr_t)p->p_brkbase; 1428 sp->pr_brksize = (size32_t)p->p_brksize; 1429 sp->pr_stkbase = (caddr32_t)(uintptr_t)prgetstackbase(p); 1430 sp->pr_stksize = (size32_t)p->p_stksize; 1431 sp->pr_oldcontext = (caddr32_t)lwp->lwp_oldcontext; 1432 sp->pr_processor = t->t_cpu->cpu_id; 1433 sp->pr_bind = t->t_bind_cpu; 1434 1435 /* 1436 * Fetch the current instruction, if not a system process. 1437 * We don't attempt this unless the lwp is stopped. 1438 */ 1439 if ((p->p_flag & SSYS) || p->p_as == &kas) 1440 sp->pr_flags |= (PR_ISSYS|PR_PCINVAL); 1441 else if (!(flags & PR_STOPPED)) 1442 sp->pr_flags |= PR_PCINVAL; 1443 else if (!prfetchinstr(lwp, &instr)) 1444 sp->pr_flags |= PR_PCINVAL; 1445 else 1446 sp->pr_instr = (uint32_t)instr; 1447 1448 /* 1449 * Drop p_lock while touching the lwp's stack. 1450 */ 1451 mutex_exit(&p->p_lock); 1452 if (prisstep(lwp)) 1453 sp->pr_flags |= PR_STEP; 1454 if ((flags & (PR_STOPPED|PR_ASLEEP)) && t->t_sysnum) { 1455 int i; 1456 auxv_t *auxp; 1457 1458 sp->pr_syscall = get_syscall32_args(lwp, 1459 (int *)sp->pr_sysarg, &i); 1460 sp->pr_nsysarg = (short)i; 1461 if (t->t_whystop == PR_SYSEXIT && 1462 (t->t_sysnum == SYS_exec || t->t_sysnum == SYS_execve)) { 1463 sp->pr_sysarg[0] = 0; 1464 sp->pr_sysarg[1] = (caddr32_t)up->u_argv; 1465 sp->pr_sysarg[2] = (caddr32_t)up->u_envp; 1466 for (i = 0, auxp = up->u_auxv; 1467 i < sizeof (up->u_auxv) / sizeof (up->u_auxv[0]); 1468 i++, auxp++) { 1469 if (auxp->a_type == AT_SUN_EXECNAME) { 1470 sp->pr_sysarg[0] = 1471 (caddr32_t) 1472 (uintptr_t)auxp->a_un.a_ptr; 1473 break; 1474 } 1475 } 1476 } 1477 } 1478 if ((flags & PR_STOPPED) || t == curthread) 1479 prgetprregs32(lwp, sp->pr_reg); 1480 mutex_enter(&p->p_lock); 1481 } 1482 1483 void 1484 oprgetpsinfo32(proc_t *p, prpsinfo32_t *psp, kthread_t *tp) 1485 { 1486 kthread_t *t; 1487 char c, state; 1488 user_t *up; 1489 dev_t d; 1490 uint64_t pct; 1491 int retval, niceval; 1492 cred_t *cred; 1493 struct as *as; 1494 hrtime_t hrutime, hrstime, cur_time; 1495 1496 ASSERT(MUTEX_HELD(&p->p_lock)); 1497 1498 bzero(psp, sizeof (*psp)); 1499 1500 if ((t = tp) == NULL) 1501 t = prchoose(p); /* returns locked thread */ 1502 else 1503 thread_lock(t); 1504 1505 /* kludge: map thread state enum into process state enum */ 1506 1507 if (t == NULL) { 1508 state = TS_ZOMB; 1509 } else { 1510 state = VSTOPPED(t) ? TS_STOPPED : t->t_state; 1511 thread_unlock(t); 1512 } 1513 1514 switch (state) { 1515 case TS_SLEEP: state = SSLEEP; break; 1516 case TS_RUN: state = SRUN; break; 1517 case TS_ONPROC: state = SONPROC; break; 1518 case TS_ZOMB: state = SZOMB; break; 1519 case TS_STOPPED: state = SSTOP; break; 1520 default: state = 0; break; 1521 } 1522 switch (state) { 1523 case SSLEEP: c = 'S'; break; 1524 case SRUN: c = 'R'; break; 1525 case SZOMB: c = 'Z'; break; 1526 case SSTOP: c = 'T'; break; 1527 case SIDL: c = 'I'; break; 1528 case SONPROC: c = 'O'; break; 1529 #ifdef SXBRK 1530 case SXBRK: c = 'X'; break; 1531 #endif 1532 default: c = '?'; break; 1533 } 1534 psp->pr_state = state; 1535 psp->pr_sname = c; 1536 psp->pr_zomb = (state == SZOMB); 1537 /* 1538 * only export SSYS and SMSACCT; everything else is off-limits to 1539 * userland apps. 1540 */ 1541 psp->pr_flag = p->p_flag & (SSYS | SMSACCT); 1542 1543 mutex_enter(&p->p_crlock); 1544 cred = p->p_cred; 1545 psp->pr_uid = crgetruid(cred); 1546 psp->pr_gid = crgetrgid(cred); 1547 psp->pr_euid = crgetuid(cred); 1548 psp->pr_egid = crgetgid(cred); 1549 mutex_exit(&p->p_crlock); 1550 1551 psp->pr_pid = p->p_pid; 1552 if (curproc->p_zone->zone_id != GLOBAL_ZONEID && 1553 (p->p_flag & SZONETOP)) { 1554 ASSERT(p->p_zone->zone_id != GLOBAL_ZONEID); 1555 /* 1556 * Inside local zones, fake zsched's pid as parent pids for 1557 * processes which reference processes outside of the zone. 1558 */ 1559 psp->pr_ppid = curproc->p_zone->zone_zsched->p_pid; 1560 } else { 1561 psp->pr_ppid = p->p_ppid; 1562 } 1563 psp->pr_pgrp = p->p_pgrp; 1564 psp->pr_sid = p->p_sessp->s_sid; 1565 psp->pr_addr = 0; /* cannot represent 64-bit addr in 32 bits */ 1566 hrutime = mstate_aggr_state(p, LMS_USER); 1567 hrstime = mstate_aggr_state(p, LMS_SYSTEM); 1568 hrt2ts32(hrutime + hrstime, &psp->pr_time); 1569 TICK_TO_TIMESTRUC32(p->p_cutime + p->p_cstime, &psp->pr_ctime); 1570 switch (p->p_model) { 1571 case DATAMODEL_ILP32: 1572 psp->pr_dmodel = PR_MODEL_ILP32; 1573 break; 1574 case DATAMODEL_LP64: 1575 psp->pr_dmodel = PR_MODEL_LP64; 1576 break; 1577 } 1578 if (state == SZOMB || t == NULL) { 1579 int wcode = p->p_wcode; /* must be atomic read */ 1580 1581 if (wcode) 1582 psp->pr_wstat = wstat(wcode, p->p_wdata); 1583 psp->pr_lttydev = PRNODEV32; 1584 psp->pr_ottydev = (o_dev_t)PRNODEV32; 1585 psp->pr_size = 0; 1586 psp->pr_rssize = 0; 1587 psp->pr_pctmem = 0; 1588 } else { 1589 up = PTOU(p); 1590 psp->pr_wchan = 0; /* cannot represent in 32 bits */ 1591 psp->pr_pri = t->t_pri; 1592 (void) strncpy(psp->pr_clname, sclass[t->t_cid].cl_name, 1593 sizeof (psp->pr_clname) - 1); 1594 retval = CL_DONICE(t, NULL, 0, &niceval); 1595 if (retval == 0) { 1596 psp->pr_oldpri = v.v_maxsyspri - psp->pr_pri; 1597 psp->pr_nice = niceval + NZERO; 1598 } else { 1599 psp->pr_oldpri = 0; 1600 psp->pr_nice = 0; 1601 } 1602 d = cttydev(p); 1603 #ifdef sun 1604 { 1605 extern dev_t rwsconsdev, rconsdev, uconsdev; 1606 /* 1607 * If the controlling terminal is the real 1608 * or workstation console device, map to what the 1609 * user thinks is the console device. Handle case when 1610 * rwsconsdev or rconsdev is set to NODEV for Starfire. 1611 */ 1612 if ((d == rwsconsdev || d == rconsdev) && d != NODEV) 1613 d = uconsdev; 1614 } 1615 #endif 1616 (void) cmpldev(&psp->pr_lttydev, d); 1617 psp->pr_ottydev = cmpdev(d); 1618 TIMESPEC_TO_TIMESPEC32(&psp->pr_start, &up->u_start); 1619 bcopy(up->u_comm, psp->pr_fname, 1620 MIN(sizeof (up->u_comm), sizeof (psp->pr_fname)-1)); 1621 bcopy(up->u_psargs, psp->pr_psargs, 1622 MIN(PRARGSZ-1, PSARGSZ)); 1623 psp->pr_syscall = t->t_sysnum; 1624 psp->pr_argc = up->u_argc; 1625 psp->pr_argv = (caddr32_t)up->u_argv; 1626 psp->pr_envp = (caddr32_t)up->u_envp; 1627 1628 /* compute %cpu for the lwp or process */ 1629 pct = 0; 1630 if ((t = tp) == NULL) 1631 t = p->p_tlist; 1632 cur_time = gethrtime_unscaled(); 1633 do { 1634 pct += cpu_update_pct(t, cur_time); 1635 if (tp != NULL) /* just do the one lwp */ 1636 break; 1637 } while ((t = t->t_forw) != p->p_tlist); 1638 1639 psp->pr_pctcpu = prgetpctcpu(pct); 1640 psp->pr_cpu = (psp->pr_pctcpu*100 + 0x6000) >> 15; /* [0..99] */ 1641 if (psp->pr_cpu > 99) 1642 psp->pr_cpu = 99; 1643 1644 if ((p->p_flag & SSYS) || (as = p->p_as) == &kas) { 1645 psp->pr_size = 0; 1646 psp->pr_rssize = 0; 1647 psp->pr_pctmem = 0; 1648 } else { 1649 mutex_exit(&p->p_lock); 1650 AS_LOCK_ENTER(as, &as->a_lock, RW_READER); 1651 psp->pr_size = (size32_t)btopr(rm_assize(as)); 1652 psp->pr_rssize = (size32_t)rm_asrss(as); 1653 psp->pr_pctmem = rm_pctmemory(as); 1654 AS_LOCK_EXIT(as, &as->a_lock); 1655 mutex_enter(&p->p_lock); 1656 } 1657 } 1658 psp->pr_bysize = (size32_t)ptob(psp->pr_size); 1659 psp->pr_byrssize = (size32_t)ptob(psp->pr_rssize); 1660 1661 /* 1662 * If we are looking at an LP64 process, zero out 1663 * the fields that cannot be represented in ILP32. 1664 */ 1665 if (p->p_model != DATAMODEL_ILP32) { 1666 psp->pr_size = 0; 1667 psp->pr_rssize = 0; 1668 psp->pr_bysize = 0; 1669 psp->pr_byrssize = 0; 1670 psp->pr_argv = 0; 1671 psp->pr_envp = 0; 1672 } 1673 } 1674 1675 /*ARGSUSED*/ 1676 static int 1677 prioctl32( 1678 struct vnode *vp, 1679 int cmd, 1680 intptr_t arg, 1681 int flag, 1682 cred_t *cr, 1683 int *rvalp, 1684 caller_context_t *ct) 1685 { 1686 caddr_t cmaddr = (caddr_t)arg; 1687 proc_t *p; 1688 user_t *up; 1689 kthread_t *t; 1690 klwp_t *lwp; 1691 prnode_t *pnp = VTOP(vp); 1692 prcommon_t *pcp; 1693 prnode_t *xpnp = NULL; 1694 int error; 1695 int zdisp; 1696 void *thing = NULL; 1697 size_t thingsize = 0; 1698 1699 /* 1700 * For copyin()/copyout(). 1701 */ 1702 union { 1703 caddr32_t va; 1704 int signo; 1705 int nice; 1706 uint_t lwpid; 1707 int32_t flags; 1708 prstatus32_t prstat; 1709 prrun32_t prrun; 1710 sigset_t smask; 1711 siginfo32_t info; 1712 sysset_t prmask; 1713 prgregset32_t regs; 1714 prfpregset32_t fpregs; 1715 prpsinfo32_t prps; 1716 sigset_t holdmask; 1717 fltset_t fltmask; 1718 prcred_t prcred; 1719 prusage32_t prusage; 1720 prhusage_t prhusage; 1721 ioc_prmap32_t prmap; 1722 auxv32_t auxv[__KERN_NAUXV_IMPL]; 1723 } un32; 1724 1725 /* 1726 * Native objects for internal use. 1727 */ 1728 union { 1729 caddr_t va; 1730 int signo; 1731 int nice; 1732 uint_t lwpid; 1733 long flags; 1734 prstatus_t prstat; 1735 prrun_t prrun; 1736 sigset_t smask; 1737 siginfo_t info; 1738 sysset_t prmask; 1739 prgregset_t regs; 1740 prpsinfo_t prps; 1741 sigset_t holdmask; 1742 fltset_t fltmask; 1743 prcred_t prcred; 1744 prusage_t prusage; 1745 prhusage_t prhusage; 1746 auxv_t auxv[__KERN_NAUXV_IMPL]; 1747 } un; 1748 1749 if (pnp->pr_type == PR_TMPL) 1750 return (prctioctl(pnp, cmd, arg, flag, cr)); 1751 1752 /* 1753 * Support for old /proc interface. 1754 */ 1755 if (pnp->pr_pidfile != NULL) { 1756 ASSERT(pnp->pr_type == PR_PIDDIR); 1757 vp = pnp->pr_pidfile; 1758 pnp = VTOP(vp); 1759 ASSERT(pnp->pr_type == PR_PIDFILE); 1760 } 1761 1762 if (pnp->pr_type != PR_PIDFILE && pnp->pr_type != PR_LWPIDFILE) 1763 return (ENOTTY); 1764 1765 /* 1766 * Fail ioctls which are logically "write" requests unless 1767 * the user has write permission. 1768 */ 1769 if ((flag & FWRITE) == 0 && isprwrioctl(cmd)) 1770 return (EBADF); 1771 1772 /* 1773 * Perform any necessary copyin() operations before 1774 * locking the process. Helps avoid deadlocks and 1775 * improves performance. 1776 * 1777 * Also, detect invalid ioctl codes here to avoid 1778 * locking a process unnnecessarily. 1779 * 1780 * Also, prepare to allocate space that will be needed below, 1781 * case by case. 1782 */ 1783 error = 0; 1784 switch (cmd) { 1785 case PIOCGETPR: 1786 thingsize = sizeof (proc_t); 1787 break; 1788 case PIOCGETU: 1789 thingsize = sizeof (user_t); 1790 break; 1791 case PIOCSTOP: 1792 case PIOCWSTOP: 1793 case PIOCLWPIDS: 1794 case PIOCGTRACE: 1795 case PIOCGENTRY: 1796 case PIOCGEXIT: 1797 case PIOCSRLC: 1798 case PIOCRRLC: 1799 case PIOCSFORK: 1800 case PIOCRFORK: 1801 case PIOCGREG: 1802 case PIOCGFPREG: 1803 case PIOCSTATUS: 1804 case PIOCLSTATUS: 1805 case PIOCPSINFO: 1806 case PIOCMAXSIG: 1807 case PIOCGXREGSIZE: 1808 break; 1809 case PIOCSXREG: /* set extra registers */ 1810 case PIOCGXREG: /* get extra registers */ 1811 #if defined(__sparc) 1812 thingsize = sizeof (prxregset_t); 1813 #else 1814 thingsize = 0; 1815 #endif 1816 break; 1817 case PIOCACTION: 1818 thingsize = (NSIG-1) * sizeof (struct sigaction32); 1819 break; 1820 case PIOCGHOLD: 1821 case PIOCNMAP: 1822 case PIOCMAP: 1823 case PIOCGFAULT: 1824 case PIOCCFAULT: 1825 case PIOCCRED: 1826 case PIOCGROUPS: 1827 case PIOCUSAGE: 1828 case PIOCLUSAGE: 1829 break; 1830 case PIOCOPENPD: 1831 /* 1832 * We will need this below. 1833 * Allocate it now, before locking the process. 1834 */ 1835 xpnp = prgetnode(vp, PR_OPAGEDATA); 1836 break; 1837 case PIOCNAUXV: 1838 case PIOCAUXV: 1839 break; 1840 1841 #if defined(__i386) || defined(__i386_COMPAT) 1842 case PIOCNLDT: 1843 case PIOCLDT: 1844 break; 1845 #endif /* __i386 || __i386_COMPAT */ 1846 1847 #if defined(__sparc) 1848 case PIOCGWIN: 1849 thingsize = sizeof (gwindows32_t); 1850 break; 1851 #endif /* __sparc */ 1852 1853 case PIOCOPENM: /* open mapped object for reading */ 1854 if (cmaddr == NULL) 1855 un32.va = NULL; 1856 else if (copyin(cmaddr, &un32.va, sizeof (un32.va))) 1857 error = EFAULT; 1858 break; 1859 1860 case PIOCRUN: /* make lwp or process runnable */ 1861 if (cmaddr == NULL) 1862 un32.prrun.pr_flags = 0; 1863 else if (copyin(cmaddr, &un32.prrun, sizeof (un32.prrun))) 1864 error = EFAULT; 1865 break; 1866 1867 case PIOCOPENLWP: /* return /proc lwp file descriptor */ 1868 if (copyin(cmaddr, &un32.lwpid, sizeof (un32.lwpid))) 1869 error = EFAULT; 1870 break; 1871 1872 case PIOCSTRACE: /* set signal trace mask */ 1873 if (copyin(cmaddr, &un32.smask, sizeof (un32.smask))) 1874 error = EFAULT; 1875 break; 1876 1877 case PIOCSSIG: /* set current signal */ 1878 if (cmaddr == NULL) 1879 un32.info.si_signo = 0; 1880 else if (copyin(cmaddr, &un32.info, sizeof (un32.info))) 1881 error = EFAULT; 1882 break; 1883 1884 case PIOCKILL: /* send signal */ 1885 case PIOCUNKILL: /* delete a signal */ 1886 if (copyin(cmaddr, &un32.signo, sizeof (un32.signo))) 1887 error = EFAULT; 1888 break; 1889 1890 case PIOCNICE: /* set nice priority */ 1891 if (copyin(cmaddr, &un32.nice, sizeof (un32.nice))) 1892 error = EFAULT; 1893 break; 1894 1895 case PIOCSENTRY: /* set syscall entry bit mask */ 1896 case PIOCSEXIT: /* set syscall exit bit mask */ 1897 if (copyin(cmaddr, &un32.prmask, sizeof (un32.prmask))) 1898 error = EFAULT; 1899 break; 1900 1901 case PIOCSET: /* set process flags */ 1902 case PIOCRESET: /* reset process flags */ 1903 if (copyin(cmaddr, &un32.flags, sizeof (un32.flags))) 1904 error = EFAULT; 1905 break; 1906 1907 case PIOCSREG: /* set general registers */ 1908 if (copyin(cmaddr, un32.regs, sizeof (un32.regs))) 1909 error = EFAULT; 1910 break; 1911 1912 case PIOCSFPREG: /* set floating-point registers */ 1913 if (copyin(cmaddr, &un32.fpregs, sizeof (un32.fpregs))) 1914 error = EFAULT; 1915 break; 1916 1917 case PIOCSHOLD: /* set signal-hold mask */ 1918 if (copyin(cmaddr, &un32.holdmask, sizeof (un32.holdmask))) 1919 error = EFAULT; 1920 break; 1921 1922 case PIOCSFAULT: /* set mask of traced faults */ 1923 if (copyin(cmaddr, &un32.fltmask, sizeof (un32.fltmask))) 1924 error = EFAULT; 1925 break; 1926 1927 default: 1928 error = EINVAL; 1929 break; 1930 } 1931 1932 if (error) 1933 return (error); 1934 1935 startover: 1936 /* 1937 * If we need kmem_alloc()d space then we allocate it now, before 1938 * grabbing the process lock. Using kmem_alloc(KM_SLEEP) while 1939 * holding the process lock leads to deadlock with the clock thread. 1940 * (The clock thread wakes up the pageout daemon to free up space. 1941 * If the clock thread blocks behind us and we are sleeping waiting 1942 * for space, then space may never become available.) 1943 */ 1944 if (thingsize) { 1945 ASSERT(thing == NULL); 1946 thing = kmem_alloc(thingsize, KM_SLEEP); 1947 } 1948 1949 switch (cmd) { 1950 case PIOCPSINFO: 1951 case PIOCGETPR: 1952 case PIOCUSAGE: 1953 case PIOCLUSAGE: 1954 zdisp = ZYES; 1955 break; 1956 case PIOCSXREG: /* set extra registers */ 1957 /* 1958 * perform copyin before grabbing the process lock 1959 */ 1960 if (thing) { 1961 if (copyin(cmaddr, thing, thingsize)) { 1962 kmem_free(thing, thingsize); 1963 return (EFAULT); 1964 } 1965 } 1966 /* fall through... */ 1967 default: 1968 zdisp = ZNO; 1969 break; 1970 } 1971 1972 if ((error = prlock(pnp, zdisp)) != 0) { 1973 if (thing != NULL) 1974 kmem_free(thing, thingsize); 1975 if (xpnp) 1976 prfreenode(xpnp); 1977 return (error); 1978 } 1979 1980 pcp = pnp->pr_common; 1981 p = pcp->prc_proc; 1982 ASSERT(p != NULL); 1983 1984 /* 1985 * Choose a thread/lwp for the operation. 1986 */ 1987 if (zdisp == ZNO && cmd != PIOCSTOP && cmd != PIOCWSTOP) { 1988 if (pnp->pr_type == PR_LWPIDFILE && cmd != PIOCLSTATUS) { 1989 t = pcp->prc_thread; 1990 ASSERT(t != NULL); 1991 } else { 1992 t = prchoose(p); /* returns locked thread */ 1993 ASSERT(t != NULL); 1994 thread_unlock(t); 1995 } 1996 lwp = ttolwp(t); 1997 } 1998 1999 error = 0; 2000 switch (cmd) { 2001 2002 case PIOCGETPR: /* read struct proc */ 2003 { 2004 proc_t *prp = thing; 2005 2006 *prp = *p; 2007 prunlock(pnp); 2008 if (copyout(prp, cmaddr, sizeof (proc_t))) 2009 error = EFAULT; 2010 kmem_free(prp, sizeof (proc_t)); 2011 thing = NULL; 2012 break; 2013 } 2014 2015 case PIOCGETU: /* read u-area */ 2016 { 2017 user_t *userp = thing; 2018 2019 up = PTOU(p); 2020 *userp = *up; 2021 prunlock(pnp); 2022 if (copyout(userp, cmaddr, sizeof (user_t))) 2023 error = EFAULT; 2024 kmem_free(userp, sizeof (user_t)); 2025 thing = NULL; 2026 break; 2027 } 2028 2029 case PIOCOPENM: /* open mapped object for reading */ 2030 if (PROCESS_NOT_32BIT(p) && cmaddr != NULL) { 2031 prunlock(pnp); 2032 error = EOVERFLOW; 2033 break; 2034 } 2035 error = propenm(pnp, cmaddr, 2036 (caddr_t)(uintptr_t)un32.va, rvalp, cr); 2037 /* propenm() called prunlock(pnp) */ 2038 break; 2039 2040 case PIOCSTOP: /* stop process or lwp from running */ 2041 case PIOCWSTOP: /* wait for process or lwp to stop */ 2042 /* 2043 * Can't apply to a system process. 2044 */ 2045 if ((p->p_flag & SSYS) || p->p_as == &kas) { 2046 prunlock(pnp); 2047 error = EBUSY; 2048 break; 2049 } 2050 2051 if (cmd == PIOCSTOP) 2052 pr_stop(pnp); 2053 2054 /* 2055 * If an lwp is waiting for itself or its process, don't wait. 2056 * The lwp will never see the fact that itself is stopped. 2057 */ 2058 if ((pnp->pr_type == PR_LWPIDFILE)? 2059 (pcp->prc_thread == curthread) : (p == curproc)) { 2060 if (cmd == PIOCWSTOP) 2061 error = EBUSY; 2062 prunlock(pnp); 2063 break; 2064 } 2065 2066 if ((error = pr_wait_stop(pnp, (time_t)0)) != 0) 2067 break; /* pr_wait_stop() unlocked the process */ 2068 2069 if (cmaddr == NULL) 2070 prunlock(pnp); 2071 else if (PROCESS_NOT_32BIT(p)) { 2072 prunlock(pnp); 2073 error = EOVERFLOW; 2074 } else { 2075 /* 2076 * Return process/lwp status information. 2077 */ 2078 t = pr_thread(pnp); /* returns locked thread */ 2079 thread_unlock(t); 2080 oprgetstatus32(t, &un32.prstat, VTOZONE(vp)); 2081 prunlock(pnp); 2082 if (copyout(&un32.prstat, cmaddr, sizeof (un32.prstat))) 2083 error = EFAULT; 2084 } 2085 break; 2086 2087 case PIOCRUN: /* make lwp or process runnable */ 2088 { 2089 long flags = un32.prrun.pr_flags; 2090 2091 /* 2092 * Cannot set an lwp running is it is not stopped. 2093 * Also, no lwp other than the /proc agent lwp can 2094 * be set running so long as the /proc agent lwp exists. 2095 */ 2096 if ((!ISTOPPED(t) && !VSTOPPED(t) && 2097 !(t->t_proc_flag & TP_PRSTOP)) || 2098 (p->p_agenttp != NULL && 2099 (t != p->p_agenttp || pnp->pr_type != PR_LWPIDFILE))) { 2100 prunlock(pnp); 2101 error = EBUSY; 2102 break; 2103 } 2104 2105 if ((flags & PRSVADDR) && PROCESS_NOT_32BIT(p)) { 2106 prunlock(pnp); 2107 error = EOVERFLOW; 2108 break; 2109 } 2110 2111 if (flags & (PRSHOLD|PRSTRACE|PRSFAULT|PRSVADDR)) { 2112 un.prrun.pr_flags = (int)flags; 2113 un.prrun.pr_trace = un32.prrun.pr_trace; 2114 un.prrun.pr_sighold = un32.prrun.pr_sighold; 2115 un.prrun.pr_fault = un32.prrun.pr_fault; 2116 un.prrun.pr_vaddr = 2117 (caddr_t)(uintptr_t)un32.prrun.pr_vaddr; 2118 prsetrun(t, &un.prrun); 2119 } 2120 2121 error = pr_setrun(pnp, prmaprunflags(flags)); 2122 2123 prunlock(pnp); 2124 break; 2125 } 2126 2127 case PIOCLWPIDS: /* get array of lwp identifiers */ 2128 { 2129 int nlwp; 2130 int Nlwp; 2131 id_t *idp; 2132 id_t *Bidp; 2133 2134 Nlwp = nlwp = p->p_lwpcnt; 2135 2136 if (thing && thingsize != (Nlwp+1) * sizeof (id_t)) { 2137 kmem_free(thing, thingsize); 2138 thing = NULL; 2139 } 2140 if (thing == NULL) { 2141 thingsize = (Nlwp+1) * sizeof (id_t); 2142 thing = kmem_alloc(thingsize, KM_NOSLEEP); 2143 } 2144 if (thing == NULL) { 2145 prunlock(pnp); 2146 goto startover; 2147 } 2148 2149 idp = thing; 2150 thing = NULL; 2151 Bidp = idp; 2152 if ((t = p->p_tlist) != NULL) { 2153 do { 2154 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 2155 ASSERT(nlwp > 0); 2156 --nlwp; 2157 *idp++ = t->t_tid; 2158 } while ((t = t->t_forw) != p->p_tlist); 2159 } 2160 *idp = 0; 2161 ASSERT(nlwp == 0); 2162 prunlock(pnp); 2163 if (copyout(Bidp, cmaddr, (Nlwp+1) * sizeof (id_t))) 2164 error = EFAULT; 2165 kmem_free(Bidp, (Nlwp+1) * sizeof (id_t)); 2166 break; 2167 } 2168 2169 case PIOCOPENLWP: /* return /proc lwp file descriptor */ 2170 { 2171 vnode_t *xvp; 2172 int n; 2173 2174 prunlock(pnp); 2175 if ((xvp = prlwpnode(pnp, un32.lwpid)) == NULL) 2176 error = ENOENT; 2177 else if (error = fassign(&xvp, flag & (FREAD|FWRITE), &n)) { 2178 VN_RELE(xvp); 2179 } else 2180 *rvalp = n; 2181 break; 2182 } 2183 2184 case PIOCOPENPD: /* return /proc page data file descriptor */ 2185 { 2186 vnode_t *xvp = PTOV(xpnp); 2187 vnode_t *dp = pnp->pr_parent; 2188 int n; 2189 2190 if (PROCESS_NOT_32BIT(p)) { 2191 prunlock(pnp); 2192 prfreenode(xpnp); 2193 xpnp = NULL; 2194 error = EOVERFLOW; 2195 break; 2196 } 2197 2198 if (pnp->pr_type == PR_LWPIDFILE) { 2199 dp = VTOP(dp)->pr_parent; 2200 dp = VTOP(dp)->pr_parent; 2201 } 2202 ASSERT(VTOP(dp)->pr_type == PR_PIDDIR); 2203 2204 VN_HOLD(dp); 2205 pcp = pnp->pr_pcommon; 2206 xpnp->pr_ino = ptoi(pcp->prc_pid); 2207 xpnp->pr_common = pcp; 2208 xpnp->pr_pcommon = pcp; 2209 xpnp->pr_parent = dp; 2210 2211 xpnp->pr_next = p->p_plist; 2212 p->p_plist = xvp; 2213 2214 prunlock(pnp); 2215 if (error = fassign(&xvp, FREAD, &n)) { 2216 VN_RELE(xvp); 2217 } else 2218 *rvalp = n; 2219 2220 xpnp = NULL; 2221 break; 2222 } 2223 2224 case PIOCGTRACE: /* get signal trace mask */ 2225 prassignset(&un32.smask, &p->p_sigmask); 2226 prunlock(pnp); 2227 if (copyout(&un32.smask, cmaddr, sizeof (un32.smask))) 2228 error = EFAULT; 2229 break; 2230 2231 case PIOCSTRACE: /* set signal trace mask */ 2232 prdelset(&un32.smask, SIGKILL); 2233 prassignset(&p->p_sigmask, &un32.smask); 2234 if (!sigisempty(&p->p_sigmask)) 2235 p->p_proc_flag |= P_PR_TRACE; 2236 else if (prisempty(&p->p_fltmask)) { 2237 up = PTOU(p); 2238 if (up->u_systrap == 0) 2239 p->p_proc_flag &= ~P_PR_TRACE; 2240 } 2241 prunlock(pnp); 2242 break; 2243 2244 case PIOCSSIG: /* set current signal */ 2245 if (un32.info.si_signo != 0 && PROCESS_NOT_32BIT(p)) { 2246 prunlock(pnp); 2247 error = EOVERFLOW; 2248 } else { 2249 bzero(&un.info, sizeof (un.info)); 2250 siginfo_32tok(&un32.info, (k_siginfo_t *)&un.info); 2251 error = pr_setsig(pnp, &un.info); 2252 prunlock(pnp); 2253 if (un32.info.si_signo == SIGKILL && error == 0) 2254 pr_wait_die(pnp); 2255 } 2256 break; 2257 2258 case PIOCKILL: /* send signal */ 2259 error = pr_kill(pnp, un32.signo, cr); 2260 prunlock(pnp); 2261 if (un32.signo == SIGKILL && error == 0) 2262 pr_wait_die(pnp); 2263 break; 2264 2265 case PIOCUNKILL: /* delete a signal */ 2266 error = pr_unkill(pnp, un32.signo); 2267 prunlock(pnp); 2268 break; 2269 2270 case PIOCNICE: /* set nice priority */ 2271 error = pr_nice(p, un32.nice, cr); 2272 prunlock(pnp); 2273 break; 2274 2275 case PIOCGENTRY: /* get syscall entry bit mask */ 2276 case PIOCGEXIT: /* get syscall exit bit mask */ 2277 up = PTOU(p); 2278 if (cmd == PIOCGENTRY) { 2279 prassignset(&un32.prmask, &up->u_entrymask); 2280 } else { 2281 prassignset(&un32.prmask, &up->u_exitmask); 2282 } 2283 prunlock(pnp); 2284 if (copyout(&un32.prmask, cmaddr, sizeof (un32.prmask))) 2285 error = EFAULT; 2286 break; 2287 2288 case PIOCSENTRY: /* set syscall entry bit mask */ 2289 case PIOCSEXIT: /* set syscall exit bit mask */ 2290 pr_setentryexit(p, &un32.prmask, cmd == PIOCSENTRY); 2291 prunlock(pnp); 2292 break; 2293 2294 case PIOCSRLC: /* obsolete: set running on last /proc close */ 2295 error = pr_set(p, prmapsetflags(PR_RLC)); 2296 prunlock(pnp); 2297 break; 2298 2299 case PIOCRRLC: /* obsolete: reset run-on-last-close flag */ 2300 error = pr_unset(p, prmapsetflags(PR_RLC)); 2301 prunlock(pnp); 2302 break; 2303 2304 case PIOCSFORK: /* obsolete: set inherit-on-fork flag */ 2305 error = pr_set(p, prmapsetflags(PR_FORK)); 2306 prunlock(pnp); 2307 break; 2308 2309 case PIOCRFORK: /* obsolete: reset inherit-on-fork flag */ 2310 error = pr_unset(p, prmapsetflags(PR_FORK)); 2311 prunlock(pnp); 2312 break; 2313 2314 case PIOCSET: /* set process flags */ 2315 error = pr_set(p, prmapsetflags((long)un32.flags)); 2316 prunlock(pnp); 2317 break; 2318 2319 case PIOCRESET: /* reset process flags */ 2320 error = pr_unset(p, prmapsetflags((long)un32.flags)); 2321 prunlock(pnp); 2322 break; 2323 2324 case PIOCGREG: /* get general registers */ 2325 if (PROCESS_NOT_32BIT(p)) 2326 error = EOVERFLOW; 2327 else if (t->t_state != TS_STOPPED && !VSTOPPED(t)) 2328 bzero(un32.regs, sizeof (un32.regs)); 2329 else { 2330 /* drop p_lock while touching the lwp's stack */ 2331 mutex_exit(&p->p_lock); 2332 prgetprregs32(lwp, un32.regs); 2333 mutex_enter(&p->p_lock); 2334 } 2335 prunlock(pnp); 2336 if (error == 0 && 2337 copyout(un32.regs, cmaddr, sizeof (un32.regs))) 2338 error = EFAULT; 2339 break; 2340 2341 case PIOCSREG: /* set general registers */ 2342 if (PROCESS_NOT_32BIT(p)) 2343 error = EOVERFLOW; 2344 else if (!ISTOPPED(t) && !VSTOPPED(t) && !DSTOPPED(t)) 2345 error = EBUSY; 2346 else { 2347 /* drop p_lock while touching the lwp's stack */ 2348 mutex_exit(&p->p_lock); 2349 prgregset_32ton(lwp, un32.regs, un.regs); 2350 prsetprregs(lwp, un.regs, 0); 2351 mutex_enter(&p->p_lock); 2352 } 2353 prunlock(pnp); 2354 break; 2355 2356 case PIOCGFPREG: /* get floating-point registers */ 2357 if (!prhasfp()) 2358 error = EINVAL; /* No FP support */ 2359 else if (PROCESS_NOT_32BIT(p)) 2360 error = EOVERFLOW; 2361 else if (t->t_state != TS_STOPPED && !VSTOPPED(t)) 2362 bzero(&un32.fpregs, sizeof (un32.fpregs)); 2363 else { 2364 /* drop p_lock while touching the lwp's stack */ 2365 mutex_exit(&p->p_lock); 2366 prgetprfpregs32(lwp, &un32.fpregs); 2367 mutex_enter(&p->p_lock); 2368 } 2369 prunlock(pnp); 2370 if (error == 0 && 2371 copyout(&un32.fpregs, cmaddr, sizeof (un32.fpregs))) 2372 error = EFAULT; 2373 break; 2374 2375 case PIOCSFPREG: /* set floating-point registers */ 2376 if (!prhasfp()) 2377 error = EINVAL; /* No FP support */ 2378 else if (PROCESS_NOT_32BIT(p)) 2379 error = EOVERFLOW; 2380 else if (!ISTOPPED(t) && !VSTOPPED(t) && !DSTOPPED(t)) 2381 error = EBUSY; 2382 else { 2383 /* drop p_lock while touching the lwp's stack */ 2384 mutex_exit(&p->p_lock); 2385 prsetprfpregs32(lwp, &un32.fpregs); 2386 mutex_enter(&p->p_lock); 2387 } 2388 prunlock(pnp); 2389 break; 2390 2391 case PIOCGXREGSIZE: /* get the size of the extra registers */ 2392 { 2393 int xregsize; 2394 2395 if (prhasx(p)) { 2396 xregsize = prgetprxregsize(p); 2397 prunlock(pnp); 2398 if (copyout(&xregsize, cmaddr, sizeof (xregsize))) 2399 error = EFAULT; 2400 } else { 2401 prunlock(pnp); 2402 error = EINVAL; /* No extra register support */ 2403 } 2404 break; 2405 } 2406 2407 case PIOCGXREG: /* get extra registers */ 2408 if (PROCESS_NOT_32BIT(p)) 2409 error = EOVERFLOW; 2410 else if (!prhasx(p)) 2411 error = EINVAL; /* No extra register support */ 2412 else { 2413 bzero(thing, thingsize); 2414 if (t->t_state == TS_STOPPED || VSTOPPED(t)) { 2415 /* drop p_lock to touch the stack */ 2416 mutex_exit(&p->p_lock); 2417 prgetprxregs(lwp, thing); 2418 mutex_enter(&p->p_lock); 2419 } 2420 } 2421 prunlock(pnp); 2422 if (error == 0 && 2423 copyout(thing, cmaddr, thingsize)) 2424 error = EFAULT; 2425 if (thing) { 2426 kmem_free(thing, thingsize); 2427 thing = NULL; 2428 } 2429 break; 2430 2431 case PIOCSXREG: /* set extra registers */ 2432 if (PROCESS_NOT_32BIT(p)) 2433 error = EOVERFLOW; 2434 else if (!ISTOPPED(t) && !VSTOPPED(t) && !DSTOPPED(t)) 2435 error = EBUSY; 2436 else if (!prhasx(p)) 2437 error = EINVAL; /* No extra register support */ 2438 else if (thing) { 2439 /* drop p_lock while touching the lwp's stack */ 2440 mutex_exit(&p->p_lock); 2441 prsetprxregs(lwp, thing); 2442 mutex_enter(&p->p_lock); 2443 } 2444 prunlock(pnp); 2445 if (thing) { 2446 kmem_free(thing, thingsize); 2447 thing = NULL; 2448 } 2449 break; 2450 2451 case PIOCSTATUS: /* get process/lwp status */ 2452 if (PROCESS_NOT_32BIT(p)) { 2453 prunlock(pnp); 2454 error = EOVERFLOW; 2455 break; 2456 } 2457 oprgetstatus32(t, &un32.prstat, VTOZONE(vp)); 2458 prunlock(pnp); 2459 if (copyout(&un32.prstat, cmaddr, sizeof (un32.prstat))) 2460 error = EFAULT; 2461 break; 2462 2463 case PIOCLSTATUS: /* get status for process & all lwps */ 2464 { 2465 int Nlwp; 2466 int nlwp; 2467 prstatus32_t *Bprsp; 2468 prstatus32_t *prsp; 2469 2470 if (PROCESS_NOT_32BIT(p)) { 2471 prunlock(pnp); 2472 if (thing) { 2473 kmem_free(thing, thingsize); 2474 thing = NULL; 2475 } 2476 error = EOVERFLOW; 2477 break; 2478 } 2479 2480 nlwp = Nlwp = p->p_lwpcnt; 2481 2482 if (thing && thingsize != (Nlwp+1) * sizeof (prstatus32_t)) { 2483 kmem_free(thing, thingsize); 2484 thing = NULL; 2485 } 2486 if (thing == NULL) { 2487 thingsize = (Nlwp+1) * sizeof (prstatus32_t); 2488 thing = kmem_alloc(thingsize, KM_NOSLEEP); 2489 } 2490 if (thing == NULL) { 2491 prunlock(pnp); 2492 goto startover; 2493 } 2494 2495 Bprsp = (prstatus32_t *)thing; 2496 thing = NULL; 2497 prsp = Bprsp; 2498 oprgetstatus32(t, prsp, VTOZONE(vp)); 2499 t = p->p_tlist; 2500 do { 2501 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 2502 ASSERT(nlwp > 0); 2503 --nlwp; 2504 oprgetstatus32(t, ++prsp, VTOZONE(vp)); 2505 } while ((t = t->t_forw) != p->p_tlist); 2506 ASSERT(nlwp == 0); 2507 prunlock(pnp); 2508 if (copyout(Bprsp, cmaddr, (Nlwp+1) * sizeof (prstatus32_t))) 2509 error = EFAULT; 2510 2511 kmem_free(Bprsp, (Nlwp + 1) * sizeof (prstatus32_t)); 2512 break; 2513 } 2514 2515 case PIOCPSINFO: /* get ps(1) information */ 2516 { 2517 prpsinfo32_t *psp = &un32.prps; 2518 2519 oprgetpsinfo32(p, psp, 2520 (pnp->pr_type == PR_LWPIDFILE)? pcp->prc_thread : NULL); 2521 2522 prunlock(pnp); 2523 if (copyout(&un32.prps, cmaddr, sizeof (un32.prps))) 2524 error = EFAULT; 2525 break; 2526 } 2527 2528 case PIOCMAXSIG: /* get maximum signal number */ 2529 { 2530 int n = NSIG-1; 2531 2532 prunlock(pnp); 2533 if (copyout(&n, cmaddr, sizeof (int))) 2534 error = EFAULT; 2535 break; 2536 } 2537 2538 case PIOCACTION: /* get signal action structures */ 2539 { 2540 uint_t sig; 2541 struct sigaction32 *sap = thing; 2542 2543 if (PROCESS_NOT_32BIT(p)) 2544 error = EOVERFLOW; 2545 else { 2546 up = PTOU(p); 2547 for (sig = 1; sig < NSIG; sig++) 2548 prgetaction32(p, up, sig, &sap[sig-1]); 2549 } 2550 prunlock(pnp); 2551 if (error == 0 && 2552 copyout(sap, cmaddr, (NSIG-1)*sizeof (struct sigaction32))) 2553 error = EFAULT; 2554 kmem_free(sap, (NSIG-1)*sizeof (struct sigaction32)); 2555 thing = NULL; 2556 break; 2557 } 2558 2559 case PIOCGHOLD: /* get signal-hold mask */ 2560 schedctl_finish_sigblock(t); 2561 sigktou(&t->t_hold, &un32.holdmask); 2562 prunlock(pnp); 2563 if (copyout(&un32.holdmask, cmaddr, sizeof (un32.holdmask))) 2564 error = EFAULT; 2565 break; 2566 2567 case PIOCSHOLD: /* set signal-hold mask */ 2568 pr_sethold(pnp, &un32.holdmask); 2569 prunlock(pnp); 2570 break; 2571 2572 case PIOCNMAP: /* get number of memory mappings */ 2573 { 2574 int n; 2575 struct as *as = p->p_as; 2576 2577 if ((p->p_flag & SSYS) || as == &kas) 2578 n = 0; 2579 else { 2580 mutex_exit(&p->p_lock); 2581 AS_LOCK_ENTER(as, &as->a_lock, RW_WRITER); 2582 n = prnsegs(as, 0); 2583 AS_LOCK_EXIT(as, &as->a_lock); 2584 mutex_enter(&p->p_lock); 2585 } 2586 prunlock(pnp); 2587 if (copyout(&n, cmaddr, sizeof (int))) 2588 error = EFAULT; 2589 break; 2590 } 2591 2592 case PIOCMAP: /* get memory map information */ 2593 { 2594 list_t iolhead; 2595 struct as *as = p->p_as; 2596 2597 if ((p->p_flag & SSYS) || as == &kas) { 2598 error = 0; 2599 prunlock(pnp); 2600 } else if (PROCESS_NOT_32BIT(p)) { 2601 error = EOVERFLOW; 2602 prunlock(pnp); 2603 } else { 2604 mutex_exit(&p->p_lock); 2605 AS_LOCK_ENTER(as, &as->a_lock, RW_WRITER); 2606 error = oprgetmap32(p, &iolhead); 2607 AS_LOCK_EXIT(as, &as->a_lock); 2608 mutex_enter(&p->p_lock); 2609 prunlock(pnp); 2610 2611 error = pr_iol_copyout_and_free(&iolhead, 2612 &cmaddr, error); 2613 } 2614 /* 2615 * The procfs PIOCMAP ioctl returns an all-zero buffer 2616 * to indicate the end of the prmap[] array. 2617 * Append it to whatever has already been copied out. 2618 */ 2619 bzero(&un32.prmap, sizeof (un32.prmap)); 2620 if (!error && 2621 copyout(&un32.prmap, cmaddr, sizeof (un32.prmap))) 2622 error = EFAULT; 2623 break; 2624 } 2625 2626 case PIOCGFAULT: /* get mask of traced faults */ 2627 prassignset(&un32.fltmask, &p->p_fltmask); 2628 prunlock(pnp); 2629 if (copyout(&un32.fltmask, cmaddr, sizeof (un32.fltmask))) 2630 error = EFAULT; 2631 break; 2632 2633 case PIOCSFAULT: /* set mask of traced faults */ 2634 pr_setfault(p, &un32.fltmask); 2635 prunlock(pnp); 2636 break; 2637 2638 case PIOCCFAULT: /* clear current fault */ 2639 lwp->lwp_curflt = 0; 2640 prunlock(pnp); 2641 break; 2642 2643 case PIOCCRED: /* get process credentials */ 2644 { 2645 cred_t *cp; 2646 2647 mutex_enter(&p->p_crlock); 2648 cp = p->p_cred; 2649 un32.prcred.pr_euid = crgetuid(cp); 2650 un32.prcred.pr_ruid = crgetruid(cp); 2651 un32.prcred.pr_suid = crgetsuid(cp); 2652 un32.prcred.pr_egid = crgetgid(cp); 2653 un32.prcred.pr_rgid = crgetrgid(cp); 2654 un32.prcred.pr_sgid = crgetsgid(cp); 2655 un32.prcred.pr_ngroups = crgetngroups(cp); 2656 mutex_exit(&p->p_crlock); 2657 2658 prunlock(pnp); 2659 if (copyout(&un32.prcred, cmaddr, sizeof (un32.prcred))) 2660 error = EFAULT; 2661 break; 2662 } 2663 2664 case PIOCGROUPS: /* get supplementary groups */ 2665 { 2666 cred_t *cp; 2667 2668 mutex_enter(&p->p_crlock); 2669 cp = p->p_cred; 2670 crhold(cp); 2671 mutex_exit(&p->p_crlock); 2672 2673 prunlock(pnp); 2674 if (copyout(crgetgroups(cp), cmaddr, 2675 MAX(crgetngroups(cp), 1) * sizeof (gid_t))) 2676 error = EFAULT; 2677 crfree(cp); 2678 break; 2679 } 2680 2681 case PIOCUSAGE: /* get usage info */ 2682 { 2683 /* 2684 * For an lwp file descriptor, return just the lwp usage. 2685 * For a process file descriptor, return total usage, 2686 * all current lwps plus all defunct lwps. 2687 */ 2688 prhusage_t *pup = &un32.prhusage; 2689 prusage32_t *upup; 2690 2691 bzero(pup, sizeof (*pup)); 2692 pup->pr_tstamp = gethrtime(); 2693 2694 if (pnp->pr_type == PR_LWPIDFILE) { 2695 t = pcp->prc_thread; 2696 if (t != NULL) 2697 prgetusage(t, pup); 2698 else 2699 error = ENOENT; 2700 } else { 2701 pup->pr_count = p->p_defunct; 2702 pup->pr_create = p->p_mstart; 2703 pup->pr_term = p->p_mterm; 2704 2705 pup->pr_rtime = p->p_mlreal; 2706 pup->pr_utime = p->p_acct[LMS_USER]; 2707 pup->pr_stime = p->p_acct[LMS_SYSTEM]; 2708 pup->pr_ttime = p->p_acct[LMS_TRAP]; 2709 pup->pr_tftime = p->p_acct[LMS_TFAULT]; 2710 pup->pr_dftime = p->p_acct[LMS_DFAULT]; 2711 pup->pr_kftime = p->p_acct[LMS_KFAULT]; 2712 pup->pr_ltime = p->p_acct[LMS_USER_LOCK]; 2713 pup->pr_slptime = p->p_acct[LMS_SLEEP]; 2714 pup->pr_wtime = p->p_acct[LMS_WAIT_CPU]; 2715 pup->pr_stoptime = p->p_acct[LMS_STOPPED]; 2716 2717 pup->pr_minf = p->p_ru.minflt; 2718 pup->pr_majf = p->p_ru.majflt; 2719 pup->pr_nswap = p->p_ru.nswap; 2720 pup->pr_inblk = p->p_ru.inblock; 2721 pup->pr_oublk = p->p_ru.oublock; 2722 pup->pr_msnd = p->p_ru.msgsnd; 2723 pup->pr_mrcv = p->p_ru.msgrcv; 2724 pup->pr_sigs = p->p_ru.nsignals; 2725 pup->pr_vctx = p->p_ru.nvcsw; 2726 pup->pr_ictx = p->p_ru.nivcsw; 2727 pup->pr_sysc = p->p_ru.sysc; 2728 pup->pr_ioch = p->p_ru.ioch; 2729 2730 /* 2731 * Add the usage information for each active lwp. 2732 */ 2733 if ((t = p->p_tlist) != NULL && 2734 !(pcp->prc_flags & PRC_DESTROY)) { 2735 do { 2736 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 2737 pup->pr_count++; 2738 praddusage(t, pup); 2739 } while ((t = t->t_forw) != p->p_tlist); 2740 } 2741 } 2742 2743 prunlock(pnp); 2744 2745 upup = kmem_alloc(sizeof (*upup), KM_SLEEP); 2746 prcvtusage32(pup, upup); 2747 if (copyout(upup, cmaddr, sizeof (*upup))) 2748 error = EFAULT; 2749 kmem_free(upup, sizeof (*upup)); 2750 2751 break; 2752 } 2753 2754 case PIOCLUSAGE: /* get detailed usage info */ 2755 { 2756 int Nlwp; 2757 int nlwp; 2758 prusage32_t *upup; 2759 prusage32_t *Bupup; 2760 prhusage_t *pup; 2761 hrtime_t curtime; 2762 2763 nlwp = Nlwp = (pcp->prc_flags & PRC_DESTROY)? 0 : p->p_lwpcnt; 2764 2765 if (thing && thingsize != 2766 sizeof (prhusage_t) + (Nlwp+1) * sizeof (prusage32_t)) { 2767 kmem_free(thing, thingsize); 2768 thing = NULL; 2769 } 2770 if (thing == NULL) { 2771 thingsize = sizeof (prhusage_t) + 2772 (Nlwp+1) * sizeof (prusage32_t); 2773 thing = kmem_alloc(thingsize, KM_NOSLEEP); 2774 } 2775 if (thing == NULL) { 2776 prunlock(pnp); 2777 goto startover; 2778 } 2779 2780 pup = (prhusage_t *)thing; 2781 upup = Bupup = (prusage32_t *)(pup + 1); 2782 2783 ASSERT(p == pcp->prc_proc); 2784 2785 curtime = gethrtime(); 2786 2787 /* 2788 * First the summation over defunct lwps. 2789 */ 2790 bzero(pup, sizeof (*pup)); 2791 pup->pr_count = p->p_defunct; 2792 pup->pr_tstamp = curtime; 2793 pup->pr_create = p->p_mstart; 2794 pup->pr_term = p->p_mterm; 2795 2796 pup->pr_rtime = p->p_mlreal; 2797 pup->pr_utime = p->p_acct[LMS_USER]; 2798 pup->pr_stime = p->p_acct[LMS_SYSTEM]; 2799 pup->pr_ttime = p->p_acct[LMS_TRAP]; 2800 pup->pr_tftime = p->p_acct[LMS_TFAULT]; 2801 pup->pr_dftime = p->p_acct[LMS_DFAULT]; 2802 pup->pr_kftime = p->p_acct[LMS_KFAULT]; 2803 pup->pr_ltime = p->p_acct[LMS_USER_LOCK]; 2804 pup->pr_slptime = p->p_acct[LMS_SLEEP]; 2805 pup->pr_wtime = p->p_acct[LMS_WAIT_CPU]; 2806 pup->pr_stoptime = p->p_acct[LMS_STOPPED]; 2807 2808 pup->pr_minf = p->p_ru.minflt; 2809 pup->pr_majf = p->p_ru.majflt; 2810 pup->pr_nswap = p->p_ru.nswap; 2811 pup->pr_inblk = p->p_ru.inblock; 2812 pup->pr_oublk = p->p_ru.oublock; 2813 pup->pr_msnd = p->p_ru.msgsnd; 2814 pup->pr_mrcv = p->p_ru.msgrcv; 2815 pup->pr_sigs = p->p_ru.nsignals; 2816 pup->pr_vctx = p->p_ru.nvcsw; 2817 pup->pr_ictx = p->p_ru.nivcsw; 2818 pup->pr_sysc = p->p_ru.sysc; 2819 pup->pr_ioch = p->p_ru.ioch; 2820 2821 prcvtusage32(pup, upup); 2822 2823 /* 2824 * Fill one prusage struct for each active lwp. 2825 */ 2826 if ((t = p->p_tlist) != NULL && 2827 !(pcp->prc_flags & PRC_DESTROY)) { 2828 do { 2829 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 2830 ASSERT(nlwp > 0); 2831 --nlwp; 2832 upup++; 2833 prgetusage(t, pup); 2834 prcvtusage32(pup, upup); 2835 } while ((t = t->t_forw) != p->p_tlist); 2836 } 2837 ASSERT(nlwp == 0); 2838 2839 prunlock(pnp); 2840 if (copyout(Bupup, cmaddr, (Nlwp+1) * sizeof (prusage32_t))) 2841 error = EFAULT; 2842 kmem_free(thing, thingsize); 2843 thing = NULL; 2844 break; 2845 } 2846 2847 case PIOCNAUXV: /* get number of aux vector entries */ 2848 { 2849 int n = __KERN_NAUXV_IMPL; 2850 2851 prunlock(pnp); 2852 if (copyout(&n, cmaddr, sizeof (int))) 2853 error = EFAULT; 2854 break; 2855 } 2856 2857 case PIOCAUXV: /* get aux vector (see sys/auxv.h) */ 2858 { 2859 int i; 2860 2861 if (PROCESS_NOT_32BIT(p)) { 2862 prunlock(pnp); 2863 error = EOVERFLOW; 2864 } else { 2865 up = PTOU(p); 2866 for (i = 0; i < __KERN_NAUXV_IMPL; i++) { 2867 un32.auxv[i].a_type = up->u_auxv[i].a_type; 2868 un32.auxv[i].a_un.a_val = 2869 (int32_t)up->u_auxv[i].a_un.a_val; 2870 } 2871 prunlock(pnp); 2872 if (copyout(un32.auxv, cmaddr, 2873 __KERN_NAUXV_IMPL * sizeof (auxv32_t))) 2874 error = EFAULT; 2875 } 2876 break; 2877 } 2878 2879 #if defined(__i386) || defined(__i386_COMPAT) 2880 case PIOCNLDT: /* get number of LDT entries */ 2881 { 2882 int n; 2883 2884 mutex_enter(&p->p_ldtlock); 2885 n = prnldt(p); 2886 mutex_exit(&p->p_ldtlock); 2887 prunlock(pnp); 2888 if (copyout(&n, cmaddr, sizeof (n))) 2889 error = EFAULT; 2890 break; 2891 } 2892 2893 case PIOCLDT: /* get LDT entries */ 2894 { 2895 struct ssd *ssd; 2896 int n; 2897 2898 mutex_enter(&p->p_ldtlock); 2899 n = prnldt(p); 2900 2901 if (thing && thingsize != (n+1) * sizeof (*ssd)) { 2902 kmem_free(thing, thingsize); 2903 thing = NULL; 2904 } 2905 if (thing == NULL) { 2906 thingsize = (n+1) * sizeof (*ssd); 2907 thing = kmem_alloc(thingsize, KM_NOSLEEP); 2908 } 2909 if (thing == NULL) { 2910 mutex_exit(&p->p_ldtlock); 2911 prunlock(pnp); 2912 goto startover; 2913 } 2914 2915 ssd = thing; 2916 thing = NULL; 2917 if (n != 0) 2918 prgetldt(p, ssd); 2919 mutex_exit(&p->p_ldtlock); 2920 prunlock(pnp); 2921 2922 /* mark the end of the list with a null entry */ 2923 bzero(&ssd[n], sizeof (*ssd)); 2924 if (copyout(ssd, cmaddr, (n+1) * sizeof (*ssd))) 2925 error = EFAULT; 2926 kmem_free(ssd, (n+1) * sizeof (*ssd)); 2927 break; 2928 } 2929 #endif /* __i386 || __i386_COMPAT */ 2930 2931 #if defined(__sparc) 2932 case PIOCGWIN: /* get gwindows_t (see sys/reg.h) */ 2933 { 2934 gwindows32_t *gwp = thing; 2935 2936 if (PROCESS_NOT_32BIT(p)) { 2937 prunlock(pnp); 2938 error = EOVERFLOW; 2939 } else { 2940 /* drop p->p_lock while touching the stack */ 2941 mutex_exit(&p->p_lock); 2942 bzero(gwp, sizeof (*gwp)); 2943 prgetwindows32(lwp, gwp); 2944 mutex_enter(&p->p_lock); 2945 prunlock(pnp); 2946 if (copyout(gwp, cmaddr, sizeof (*gwp))) 2947 error = EFAULT; 2948 } 2949 kmem_free(gwp, sizeof (*gwp)); 2950 thing = NULL; 2951 break; 2952 } 2953 #endif /* __sparc */ 2954 2955 default: 2956 prunlock(pnp); 2957 error = EINVAL; 2958 break; 2959 2960 } 2961 2962 ASSERT(thing == NULL); 2963 ASSERT(xpnp == NULL); 2964 return (error); 2965 } 2966 #endif /* _SYSCALL32_IMPL */ 2967 2968 /* 2969 * Distinguish "writeable" ioctl requests from others. 2970 */ 2971 static int 2972 isprwrioctl(int cmd) 2973 { 2974 switch (cmd) { 2975 case PIOCSTOP: 2976 case PIOCRUN: 2977 case PIOCSTRACE: 2978 case PIOCSSIG: 2979 case PIOCKILL: 2980 case PIOCUNKILL: 2981 case PIOCNICE: 2982 case PIOCSENTRY: 2983 case PIOCSEXIT: 2984 case PIOCSRLC: 2985 case PIOCRRLC: 2986 case PIOCSREG: 2987 case PIOCSFPREG: 2988 case PIOCSXREG: 2989 case PIOCSHOLD: 2990 case PIOCSFAULT: 2991 case PIOCCFAULT: 2992 case PIOCSFORK: 2993 case PIOCRFORK: 2994 case PIOCSET: 2995 case PIOCRESET: 2996 return (1); 2997 } 2998 return (0); 2999 } 3000 3001 /* 3002 * Map the ioctl() interface run flags to the new interface run flags. 3003 */ 3004 static ulong_t 3005 prmaprunflags(long flags) 3006 { 3007 ulong_t newflags = 0; 3008 3009 if (flags & PRCSIG) 3010 newflags |= 0x01; 3011 if (flags & PRCFAULT) 3012 newflags |= 0x02; 3013 if (flags & PRSTEP) 3014 newflags |= 0x04; 3015 if (flags & PRSABORT) 3016 newflags |= 0x08; 3017 if (flags & PRSTOP) 3018 newflags |= 0x10; 3019 return (newflags); 3020 } 3021 3022 /* 3023 * Map the ioctl() interface settable mode flags to the new interface flags. 3024 */ 3025 static long 3026 prmapsetflags(long flags) 3027 { 3028 long newflags = 0; 3029 3030 #define ALLFLAGS \ 3031 (PR_FORK|PR_RLC|PR_KLC|PR_ASYNC|PR_BPTADJ|PR_MSACCT|PR_PCOMPAT) 3032 3033 if (flags & ~ALLFLAGS) 3034 newflags = 0xffff; /* forces EINVAL */ 3035 if (flags & PR_FORK) 3036 newflags |= (0x00100000 | 0x08000000); 3037 if (flags & PR_RLC) 3038 newflags |= 0x00200000; 3039 if (flags & PR_KLC) 3040 newflags |= 0x00400000; 3041 if (flags & PR_ASYNC) 3042 newflags |= 0x00800000; 3043 if (flags & PR_MSACCT) 3044 newflags |= 0x01000000; 3045 if (flags & PR_BPTADJ) 3046 newflags |= 0x02000000; 3047 if (flags & PR_PCOMPAT) 3048 newflags |= 0x04000000; 3049 return (newflags); 3050 } 3051 3052 /* 3053 * Apply PIOCRUN options specific to the ioctl() interface. 3054 */ 3055 static void 3056 prsetrun(kthread_t *t, prrun_t *prp) 3057 { 3058 proc_t *p = ttoproc(t); 3059 klwp_t *lwp = ttolwp(t); 3060 long flags = prp->pr_flags; 3061 user_t *up = PTOU(p); 3062 3063 ASSERT(MUTEX_HELD(&p->p_lock)); 3064 3065 if (flags & PRSHOLD) { 3066 schedctl_finish_sigblock(t); 3067 sigutok(&prp->pr_sighold, &t->t_hold); 3068 t->t_sig_check = 1; /* so ISSIG will be done */ 3069 } 3070 if (flags & PRSTRACE) { 3071 prdelset(&prp->pr_trace, SIGKILL); 3072 prassignset(&p->p_sigmask, &prp->pr_trace); 3073 if (!sigisempty(&p->p_sigmask)) 3074 p->p_proc_flag |= P_PR_TRACE; 3075 else if (prisempty(&p->p_fltmask)) { 3076 if (up->u_systrap == 0) 3077 p->p_proc_flag &= ~P_PR_TRACE; 3078 } 3079 } 3080 if (flags & PRSFAULT) { 3081 prassignset(&p->p_fltmask, &prp->pr_fault); 3082 if (!prisempty(&p->p_fltmask)) 3083 p->p_proc_flag |= P_PR_TRACE; 3084 else if (sigisempty(&p->p_sigmask)) { 3085 if (up->u_systrap == 0) 3086 p->p_proc_flag &= ~P_PR_TRACE; 3087 } 3088 } 3089 /* 3090 * prsvaddr() must be called before prstep() because 3091 * stepping can depend on the current value of the PC. 3092 * We drop p_lock while touching the lwp's registers (on stack). 3093 */ 3094 if (flags & PRSVADDR) { 3095 mutex_exit(&p->p_lock); 3096 prsvaddr(lwp, prp->pr_vaddr); 3097 mutex_enter(&p->p_lock); 3098 } 3099 } 3100 3101 /* 3102 * Common code for PIOCOPENM 3103 * Returns with the process unlocked. 3104 */ 3105 static int 3106 propenm(prnode_t *pnp, caddr_t cmaddr, caddr_t va, int *rvalp, cred_t *cr) 3107 { 3108 proc_t *p = pnp->pr_common->prc_proc; 3109 struct as *as = p->p_as; 3110 int error = 0; 3111 struct seg *seg; 3112 struct vnode *xvp; 3113 int n; 3114 3115 /* 3116 * By fiat, a system process has no address space. 3117 */ 3118 if ((p->p_flag & SSYS) || as == &kas) { 3119 error = EINVAL; 3120 } else if (cmaddr) { 3121 /* 3122 * We drop p_lock before grabbing the address 3123 * space lock in order to avoid a deadlock with 3124 * the clock thread. The process will not 3125 * disappear and its address space will not 3126 * change because it is marked P_PR_LOCK. 3127 */ 3128 mutex_exit(&p->p_lock); 3129 AS_LOCK_ENTER(as, &as->a_lock, RW_READER); 3130 seg = as_segat(as, va); 3131 if (seg != NULL && 3132 seg->s_ops == &segvn_ops && 3133 SEGOP_GETVP(seg, va, &xvp) == 0 && 3134 xvp != NULL && 3135 xvp->v_type == VREG) { 3136 VN_HOLD(xvp); 3137 } else { 3138 error = EINVAL; 3139 } 3140 AS_LOCK_EXIT(as, &as->a_lock); 3141 mutex_enter(&p->p_lock); 3142 } else if ((xvp = p->p_exec) == NULL) { 3143 error = EINVAL; 3144 } else { 3145 VN_HOLD(xvp); 3146 } 3147 3148 prunlock(pnp); 3149 3150 if (error == 0) { 3151 if ((error = VOP_ACCESS(xvp, VREAD, 0, cr, NULL)) == 0) 3152 error = fassign(&xvp, FREAD, &n); 3153 if (error) { 3154 VN_RELE(xvp); 3155 } else { 3156 *rvalp = n; 3157 } 3158 } 3159 3160 return (error); 3161 } 3162 3163 /* 3164 * Return old version of process/lwp status. 3165 * The u-block is mapped in by this routine and unmapped at the end. 3166 */ 3167 void 3168 oprgetstatus(kthread_t *t, prstatus_t *sp, zone_t *zp) 3169 { 3170 proc_t *p = ttoproc(t); 3171 klwp_t *lwp = ttolwp(t); 3172 int flags; 3173 user_t *up; 3174 ulong_t instr; 3175 3176 ASSERT(MUTEX_HELD(&p->p_lock)); 3177 3178 up = PTOU(p); 3179 bzero(sp, sizeof (*sp)); 3180 flags = 0; 3181 if (t->t_state == TS_STOPPED) { 3182 flags |= PR_STOPPED; 3183 if ((t->t_schedflag & TS_PSTART) == 0) 3184 flags |= PR_ISTOP; 3185 } else if (VSTOPPED(t)) { 3186 flags |= PR_STOPPED|PR_ISTOP; 3187 } 3188 if (!(flags & PR_ISTOP) && (t->t_proc_flag & TP_PRSTOP)) 3189 flags |= PR_DSTOP; 3190 if (lwp->lwp_asleep) 3191 flags |= PR_ASLEEP; 3192 if (p->p_proc_flag & P_PR_FORK) 3193 flags |= PR_FORK; 3194 if (p->p_proc_flag & P_PR_RUNLCL) 3195 flags |= PR_RLC; 3196 if (p->p_proc_flag & P_PR_KILLCL) 3197 flags |= PR_KLC; 3198 if (p->p_proc_flag & P_PR_ASYNC) 3199 flags |= PR_ASYNC; 3200 if (p->p_proc_flag & P_PR_BPTADJ) 3201 flags |= PR_BPTADJ; 3202 if (p->p_proc_flag & P_PR_PTRACE) 3203 flags |= PR_PCOMPAT; 3204 if (t->t_proc_flag & TP_MSACCT) 3205 flags |= PR_MSACCT; 3206 sp->pr_flags = flags; 3207 if (VSTOPPED(t)) { 3208 sp->pr_why = PR_REQUESTED; 3209 sp->pr_what = 0; 3210 } else { 3211 sp->pr_why = t->t_whystop; 3212 sp->pr_what = t->t_whatstop; 3213 } 3214 3215 if (t->t_whystop == PR_FAULTED) 3216 bcopy(&lwp->lwp_siginfo, 3217 &sp->pr_info, sizeof (k_siginfo_t)); 3218 else if (lwp->lwp_curinfo) 3219 bcopy(&lwp->lwp_curinfo->sq_info, 3220 &sp->pr_info, sizeof (k_siginfo_t)); 3221 3222 if (SI_FROMUSER(&lwp->lwp_siginfo) && zp->zone_id != GLOBAL_ZONEID && 3223 sp->pr_info.si_zoneid != zp->zone_id) { 3224 sp->pr_info.si_pid = zp->zone_zsched->p_pid; 3225 sp->pr_info.si_uid = 0; 3226 sp->pr_info.si_ctid = -1; 3227 sp->pr_info.si_zoneid = zp->zone_id; 3228 } 3229 3230 sp->pr_cursig = lwp->lwp_cursig; 3231 prassignset(&sp->pr_sigpend, &p->p_sig); 3232 prassignset(&sp->pr_lwppend, &t->t_sig); 3233 schedctl_finish_sigblock(t); 3234 prassignset(&sp->pr_sighold, &t->t_hold); 3235 sp->pr_altstack = lwp->lwp_sigaltstack; 3236 prgetaction(p, up, lwp->lwp_cursig, &sp->pr_action); 3237 sp->pr_pid = p->p_pid; 3238 if (curproc->p_zone->zone_id != GLOBAL_ZONEID && 3239 (p->p_flag & SZONETOP)) { 3240 ASSERT(p->p_zone->zone_id != GLOBAL_ZONEID); 3241 /* 3242 * Inside local zones, fake zsched's pid as parent pids for 3243 * processes which reference processes outside of the zone. 3244 */ 3245 sp->pr_ppid = curproc->p_zone->zone_zsched->p_pid; 3246 } else { 3247 sp->pr_ppid = p->p_ppid; 3248 } 3249 sp->pr_pgrp = p->p_pgrp; 3250 sp->pr_sid = p->p_sessp->s_sid; 3251 hrt2ts(mstate_aggr_state(p, LMS_USER), &sp->pr_utime); 3252 hrt2ts(mstate_aggr_state(p, LMS_SYSTEM), &sp->pr_stime); 3253 TICK_TO_TIMESTRUC(p->p_cutime, &sp->pr_cutime); 3254 TICK_TO_TIMESTRUC(p->p_cstime, &sp->pr_cstime); 3255 (void) strncpy(sp->pr_clname, sclass[t->t_cid].cl_name, 3256 sizeof (sp->pr_clname) - 1); 3257 sp->pr_who = t->t_tid; 3258 sp->pr_nlwp = p->p_lwpcnt; 3259 sp->pr_brkbase = p->p_brkbase; 3260 sp->pr_brksize = p->p_brksize; 3261 sp->pr_stkbase = prgetstackbase(p); 3262 sp->pr_stksize = p->p_stksize; 3263 sp->pr_oldcontext = (struct ucontext *)lwp->lwp_oldcontext; 3264 sp->pr_processor = t->t_cpu->cpu_id; 3265 sp->pr_bind = t->t_bind_cpu; 3266 3267 /* 3268 * Fetch the current instruction, if not a system process. 3269 * We don't attempt this unless the lwp is stopped. 3270 */ 3271 if ((p->p_flag & SSYS) || p->p_as == &kas) 3272 sp->pr_flags |= (PR_ISSYS|PR_PCINVAL); 3273 else if (!(flags & PR_STOPPED)) 3274 sp->pr_flags |= PR_PCINVAL; 3275 else if (!prfetchinstr(lwp, &instr)) 3276 sp->pr_flags |= PR_PCINVAL; 3277 else 3278 sp->pr_instr = instr; 3279 3280 /* 3281 * Drop p_lock while touching the lwp's stack. 3282 */ 3283 mutex_exit(&p->p_lock); 3284 if (prisstep(lwp)) 3285 sp->pr_flags |= PR_STEP; 3286 if ((flags & (PR_STOPPED|PR_ASLEEP)) && t->t_sysnum) { 3287 int i; 3288 auxv_t *auxp; 3289 3290 sp->pr_syscall = get_syscall_args(lwp, 3291 (long *)sp->pr_sysarg, &i); 3292 sp->pr_nsysarg = (short)i; 3293 if (t->t_whystop == PR_SYSEXIT && 3294 (t->t_sysnum == SYS_exec || t->t_sysnum == SYS_execve)) { 3295 sp->pr_sysarg[0] = 0; 3296 sp->pr_sysarg[1] = (uintptr_t)up->u_argv; 3297 sp->pr_sysarg[2] = (uintptr_t)up->u_envp; 3298 for (i = 0, auxp = up->u_auxv; 3299 i < sizeof (up->u_auxv) / sizeof (up->u_auxv[0]); 3300 i++, auxp++) { 3301 if (auxp->a_type == AT_SUN_EXECNAME) { 3302 sp->pr_sysarg[0] = 3303 (uintptr_t)auxp->a_un.a_ptr; 3304 break; 3305 } 3306 } 3307 } 3308 } 3309 if ((flags & PR_STOPPED) || t == curthread) 3310 prgetprregs(lwp, sp->pr_reg); 3311 mutex_enter(&p->p_lock); 3312 } 3313 3314 /* 3315 * Return old version of information used by ps(1). 3316 */ 3317 void 3318 oprgetpsinfo(proc_t *p, prpsinfo_t *psp, kthread_t *tp) 3319 { 3320 kthread_t *t; 3321 char c, state; 3322 user_t *up; 3323 dev_t d; 3324 uint64_t pct; 3325 int retval, niceval; 3326 cred_t *cred; 3327 struct as *as; 3328 hrtime_t hrutime, hrstime, cur_time; 3329 3330 ASSERT(MUTEX_HELD(&p->p_lock)); 3331 3332 bzero(psp, sizeof (*psp)); 3333 3334 if ((t = tp) == NULL) 3335 t = prchoose(p); /* returns locked thread */ 3336 else 3337 thread_lock(t); 3338 3339 /* kludge: map thread state enum into process state enum */ 3340 3341 if (t == NULL) { 3342 state = TS_ZOMB; 3343 } else { 3344 state = VSTOPPED(t) ? TS_STOPPED : t->t_state; 3345 thread_unlock(t); 3346 } 3347 3348 switch (state) { 3349 case TS_SLEEP: state = SSLEEP; break; 3350 case TS_RUN: state = SRUN; break; 3351 case TS_ONPROC: state = SONPROC; break; 3352 case TS_ZOMB: state = SZOMB; break; 3353 case TS_STOPPED: state = SSTOP; break; 3354 default: state = 0; break; 3355 } 3356 switch (state) { 3357 case SSLEEP: c = 'S'; break; 3358 case SRUN: c = 'R'; break; 3359 case SZOMB: c = 'Z'; break; 3360 case SSTOP: c = 'T'; break; 3361 case SIDL: c = 'I'; break; 3362 case SONPROC: c = 'O'; break; 3363 #ifdef SXBRK 3364 case SXBRK: c = 'X'; break; 3365 #endif 3366 default: c = '?'; break; 3367 } 3368 psp->pr_state = state; 3369 psp->pr_sname = c; 3370 psp->pr_zomb = (state == SZOMB); 3371 /* 3372 * only export SSYS and SMSACCT; everything else is off-limits to 3373 * userland apps. 3374 */ 3375 psp->pr_flag = p->p_flag & (SSYS | SMSACCT); 3376 3377 mutex_enter(&p->p_crlock); 3378 cred = p->p_cred; 3379 psp->pr_uid = crgetruid(cred); 3380 psp->pr_gid = crgetrgid(cred); 3381 psp->pr_euid = crgetuid(cred); 3382 psp->pr_egid = crgetgid(cred); 3383 mutex_exit(&p->p_crlock); 3384 3385 psp->pr_pid = p->p_pid; 3386 if (curproc->p_zone->zone_id != GLOBAL_ZONEID && 3387 (p->p_flag & SZONETOP)) { 3388 ASSERT(p->p_zone->zone_id != GLOBAL_ZONEID); 3389 /* 3390 * Inside local zones, fake zsched's pid as parent pids for 3391 * processes which reference processes outside of the zone. 3392 */ 3393 psp->pr_ppid = curproc->p_zone->zone_zsched->p_pid; 3394 } else { 3395 psp->pr_ppid = p->p_ppid; 3396 } 3397 psp->pr_pgrp = p->p_pgrp; 3398 psp->pr_sid = p->p_sessp->s_sid; 3399 psp->pr_addr = prgetpsaddr(p); 3400 hrutime = mstate_aggr_state(p, LMS_USER); 3401 hrstime = mstate_aggr_state(p, LMS_SYSTEM); 3402 hrt2ts(hrutime + hrstime, &psp->pr_time); 3403 TICK_TO_TIMESTRUC(p->p_cutime + p->p_cstime, &psp->pr_ctime); 3404 switch (p->p_model) { 3405 case DATAMODEL_ILP32: 3406 psp->pr_dmodel = PR_MODEL_ILP32; 3407 break; 3408 case DATAMODEL_LP64: 3409 psp->pr_dmodel = PR_MODEL_LP64; 3410 break; 3411 } 3412 if (state == SZOMB || t == NULL) { 3413 int wcode = p->p_wcode; /* must be atomic read */ 3414 3415 if (wcode) 3416 psp->pr_wstat = wstat(wcode, p->p_wdata); 3417 psp->pr_lttydev = PRNODEV; 3418 psp->pr_ottydev = (o_dev_t)PRNODEV; 3419 psp->pr_size = 0; 3420 psp->pr_rssize = 0; 3421 psp->pr_pctmem = 0; 3422 } else { 3423 up = PTOU(p); 3424 psp->pr_wchan = t->t_wchan; 3425 psp->pr_pri = t->t_pri; 3426 (void) strncpy(psp->pr_clname, sclass[t->t_cid].cl_name, 3427 sizeof (psp->pr_clname) - 1); 3428 retval = CL_DONICE(t, NULL, 0, &niceval); 3429 if (retval == 0) { 3430 psp->pr_oldpri = v.v_maxsyspri - psp->pr_pri; 3431 psp->pr_nice = niceval + NZERO; 3432 } else { 3433 psp->pr_oldpri = 0; 3434 psp->pr_nice = 0; 3435 } 3436 d = cttydev(p); 3437 #ifdef sun 3438 { 3439 extern dev_t rwsconsdev, rconsdev, uconsdev; 3440 /* 3441 * If the controlling terminal is the real 3442 * or workstation console device, map to what the 3443 * user thinks is the console device. Handle case when 3444 * rwsconsdev or rconsdev is set to NODEV for Starfire. 3445 */ 3446 if ((d == rwsconsdev || d == rconsdev) && d != NODEV) 3447 d = uconsdev; 3448 } 3449 #endif 3450 psp->pr_lttydev = (d == NODEV) ? PRNODEV : d; 3451 psp->pr_ottydev = cmpdev(d); 3452 psp->pr_start = up->u_start; 3453 bcopy(up->u_comm, psp->pr_fname, 3454 MIN(sizeof (up->u_comm), sizeof (psp->pr_fname)-1)); 3455 bcopy(up->u_psargs, psp->pr_psargs, 3456 MIN(PRARGSZ-1, PSARGSZ)); 3457 psp->pr_syscall = t->t_sysnum; 3458 psp->pr_argc = up->u_argc; 3459 psp->pr_argv = (char **)up->u_argv; 3460 psp->pr_envp = (char **)up->u_envp; 3461 3462 /* compute %cpu for the lwp or process */ 3463 pct = 0; 3464 if ((t = tp) == NULL) 3465 t = p->p_tlist; 3466 cur_time = gethrtime_unscaled(); 3467 do { 3468 pct += cpu_update_pct(t, cur_time); 3469 if (tp != NULL) /* just do the one lwp */ 3470 break; 3471 } while ((t = t->t_forw) != p->p_tlist); 3472 3473 psp->pr_pctcpu = prgetpctcpu(pct); 3474 psp->pr_cpu = (psp->pr_pctcpu*100 + 0x6000) >> 15; /* [0..99] */ 3475 if (psp->pr_cpu > 99) 3476 psp->pr_cpu = 99; 3477 3478 if ((p->p_flag & SSYS) || (as = p->p_as) == &kas) { 3479 psp->pr_size = 0; 3480 psp->pr_rssize = 0; 3481 psp->pr_pctmem = 0; 3482 } else { 3483 mutex_exit(&p->p_lock); 3484 AS_LOCK_ENTER(as, &as->a_lock, RW_READER); 3485 psp->pr_size = btopr(rm_assize(as)); 3486 psp->pr_rssize = rm_asrss(as); 3487 psp->pr_pctmem = rm_pctmemory(as); 3488 AS_LOCK_EXIT(as, &as->a_lock); 3489 mutex_enter(&p->p_lock); 3490 } 3491 } 3492 psp->pr_bysize = ptob(psp->pr_size); 3493 psp->pr_byrssize = ptob(psp->pr_rssize); 3494 } 3495 3496 /* 3497 * Return an array of structures with memory map information. 3498 * We allocate here; the caller must deallocate. 3499 * The caller is also responsible to append the zero-filled entry 3500 * that terminates the PIOCMAP output buffer. 3501 */ 3502 static int 3503 oprgetmap(proc_t *p, list_t *iolhead) 3504 { 3505 struct as *as = p->p_as; 3506 prmap_t *mp; 3507 struct seg *seg; 3508 struct seg *brkseg, *stkseg; 3509 uint_t prot; 3510 3511 ASSERT(as != &kas && AS_WRITE_HELD(as, &as->a_lock)); 3512 3513 /* 3514 * Request an initial buffer size that doesn't waste memory 3515 * if the address space has only a small number of segments. 3516 */ 3517 pr_iol_initlist(iolhead, sizeof (*mp), avl_numnodes(&as->a_segtree)); 3518 3519 if ((seg = AS_SEGFIRST(as)) == NULL) 3520 return (0); 3521 3522 brkseg = break_seg(p); 3523 stkseg = as_segat(as, prgetstackbase(p)); 3524 3525 do { 3526 caddr_t eaddr = seg->s_base + pr_getsegsize(seg, 0); 3527 caddr_t saddr, naddr; 3528 void *tmp = NULL; 3529 3530 for (saddr = seg->s_base; saddr < eaddr; saddr = naddr) { 3531 prot = pr_getprot(seg, 0, &tmp, &saddr, &naddr, eaddr); 3532 if (saddr == naddr) 3533 continue; 3534 3535 mp = pr_iol_newbuf(iolhead, sizeof (*mp)); 3536 3537 mp->pr_vaddr = saddr; 3538 mp->pr_size = naddr - saddr; 3539 mp->pr_off = SEGOP_GETOFFSET(seg, saddr); 3540 mp->pr_mflags = 0; 3541 if (prot & PROT_READ) 3542 mp->pr_mflags |= MA_READ; 3543 if (prot & PROT_WRITE) 3544 mp->pr_mflags |= MA_WRITE; 3545 if (prot & PROT_EXEC) 3546 mp->pr_mflags |= MA_EXEC; 3547 if (SEGOP_GETTYPE(seg, saddr) & MAP_SHARED) 3548 mp->pr_mflags |= MA_SHARED; 3549 if (seg == brkseg) 3550 mp->pr_mflags |= MA_BREAK; 3551 else if (seg == stkseg) 3552 mp->pr_mflags |= MA_STACK; 3553 mp->pr_pagesize = PAGESIZE; 3554 } 3555 ASSERT(tmp == NULL); 3556 } while ((seg = AS_SEGNEXT(as, seg)) != NULL); 3557 3558 return (0); 3559 } 3560 3561 #ifdef _SYSCALL32_IMPL 3562 static int 3563 oprgetmap32(proc_t *p, list_t *iolhead) 3564 { 3565 struct as *as = p->p_as; 3566 ioc_prmap32_t *mp; 3567 struct seg *seg; 3568 struct seg *brkseg, *stkseg; 3569 uint_t prot; 3570 3571 ASSERT(as != &kas && AS_WRITE_HELD(as, &as->a_lock)); 3572 3573 /* 3574 * Request an initial buffer size that doesn't waste memory 3575 * if the address space has only a small number of segments. 3576 */ 3577 pr_iol_initlist(iolhead, sizeof (*mp), avl_numnodes(&as->a_segtree)); 3578 3579 if ((seg = AS_SEGFIRST(as)) == NULL) 3580 return (0); 3581 3582 brkseg = break_seg(p); 3583 stkseg = as_segat(as, prgetstackbase(p)); 3584 3585 do { 3586 caddr_t eaddr = seg->s_base + pr_getsegsize(seg, 0); 3587 caddr_t saddr, naddr; 3588 void *tmp = NULL; 3589 3590 for (saddr = seg->s_base; saddr < eaddr; saddr = naddr) { 3591 prot = pr_getprot(seg, 0, &tmp, &saddr, &naddr, eaddr); 3592 if (saddr == naddr) 3593 continue; 3594 3595 mp = pr_iol_newbuf(iolhead, sizeof (*mp)); 3596 3597 mp->pr_vaddr = (caddr32_t)(uintptr_t)saddr; 3598 mp->pr_size = (size32_t)(naddr - saddr); 3599 mp->pr_off = (off32_t)SEGOP_GETOFFSET(seg, saddr); 3600 mp->pr_mflags = 0; 3601 if (prot & PROT_READ) 3602 mp->pr_mflags |= MA_READ; 3603 if (prot & PROT_WRITE) 3604 mp->pr_mflags |= MA_WRITE; 3605 if (prot & PROT_EXEC) 3606 mp->pr_mflags |= MA_EXEC; 3607 if (SEGOP_GETTYPE(seg, saddr) & MAP_SHARED) 3608 mp->pr_mflags |= MA_SHARED; 3609 if (seg == brkseg) 3610 mp->pr_mflags |= MA_BREAK; 3611 else if (seg == stkseg) 3612 mp->pr_mflags |= MA_STACK; 3613 mp->pr_pagesize = PAGESIZE; 3614 } 3615 ASSERT(tmp == NULL); 3616 } while ((seg = AS_SEGNEXT(as, seg)) != NULL); 3617 3618 return (0); 3619 } 3620 #endif /* _SYSCALL32_IMPL */ 3621 3622 /* 3623 * Return the size of the old /proc page data file. 3624 */ 3625 size_t 3626 oprpdsize(struct as *as) 3627 { 3628 struct seg *seg; 3629 size_t size; 3630 3631 ASSERT(as != &kas && AS_WRITE_HELD(as, &as->a_lock)); 3632 3633 if ((seg = AS_SEGFIRST(as)) == NULL) 3634 return (0); 3635 3636 size = sizeof (prpageheader_t); 3637 do { 3638 caddr_t eaddr = seg->s_base + pr_getsegsize(seg, 0); 3639 caddr_t saddr, naddr; 3640 void *tmp = NULL; 3641 size_t npage; 3642 3643 for (saddr = seg->s_base; saddr < eaddr; saddr = naddr) { 3644 (void) pr_getprot(seg, 0, &tmp, &saddr, &naddr, eaddr); 3645 if ((npage = (naddr - saddr) / PAGESIZE) != 0) 3646 size += sizeof (prasmap_t) + roundlong(npage); 3647 } 3648 ASSERT(tmp == NULL); 3649 } while ((seg = AS_SEGNEXT(as, seg)) != NULL); 3650 3651 return (size); 3652 } 3653 3654 #ifdef _SYSCALL32_IMPL 3655 size_t 3656 oprpdsize32(struct as *as) 3657 { 3658 struct seg *seg; 3659 size_t size; 3660 3661 ASSERT(as != &kas && AS_WRITE_HELD(as, &as->a_lock)); 3662 3663 if ((seg = AS_SEGFIRST(as)) == NULL) 3664 return (0); 3665 3666 size = sizeof (ioc_prpageheader32_t); 3667 do { 3668 caddr_t eaddr = seg->s_base + pr_getsegsize(seg, 0); 3669 caddr_t saddr, naddr; 3670 void *tmp = NULL; 3671 size_t npage; 3672 3673 for (saddr = seg->s_base; saddr < eaddr; saddr = naddr) { 3674 (void) pr_getprot(seg, 0, &tmp, &saddr, &naddr, eaddr); 3675 if ((npage = (naddr - saddr) / PAGESIZE) != 0) 3676 size += sizeof (ioc_prmap32_t) + round4(npage); 3677 } 3678 ASSERT(tmp == NULL); 3679 } while ((seg = AS_SEGNEXT(as, seg)) != NULL); 3680 3681 return (size); 3682 } 3683 #endif /* _SYSCALL32_IMPL */ 3684 3685 /* 3686 * Read old /proc page data information. 3687 */ 3688 int 3689 oprpdread(struct as *as, uint_t hatid, struct uio *uiop) 3690 { 3691 caddr_t buf; 3692 size_t size; 3693 prpageheader_t *php; 3694 prasmap_t *pmp; 3695 struct seg *seg; 3696 int error; 3697 3698 again: 3699 AS_LOCK_ENTER(as, &as->a_lock, RW_WRITER); 3700 3701 if ((seg = AS_SEGFIRST(as)) == NULL) { 3702 AS_LOCK_EXIT(as, &as->a_lock); 3703 return (0); 3704 } 3705 size = oprpdsize(as); 3706 if (uiop->uio_resid < size) { 3707 AS_LOCK_EXIT(as, &as->a_lock); 3708 return (E2BIG); 3709 } 3710 3711 buf = kmem_zalloc(size, KM_SLEEP); 3712 php = (prpageheader_t *)buf; 3713 pmp = (prasmap_t *)(buf + sizeof (prpageheader_t)); 3714 3715 hrt2ts(gethrtime(), &php->pr_tstamp); 3716 php->pr_nmap = 0; 3717 php->pr_npage = 0; 3718 do { 3719 caddr_t eaddr = seg->s_base + pr_getsegsize(seg, 0); 3720 caddr_t saddr, naddr; 3721 void *tmp = NULL; 3722 3723 for (saddr = seg->s_base; saddr < eaddr; saddr = naddr) { 3724 size_t len; 3725 size_t npage; 3726 uint_t prot; 3727 uintptr_t next; 3728 3729 prot = pr_getprot(seg, 0, &tmp, &saddr, &naddr, eaddr); 3730 if ((len = naddr - saddr) == 0) 3731 continue; 3732 npage = len / PAGESIZE; 3733 next = (uintptr_t)(pmp + 1) + roundlong(npage); 3734 /* 3735 * It's possible that the address space can change 3736 * subtlely even though we're holding as->a_lock 3737 * due to the nondeterminism of page_exists() in 3738 * the presence of asychronously flushed pages or 3739 * mapped files whose sizes are changing. 3740 * page_exists() may be called indirectly from 3741 * pr_getprot() by a SEGOP_INCORE() routine. 3742 * If this happens we need to make sure we don't 3743 * overrun the buffer whose size we computed based 3744 * on the initial iteration through the segments. 3745 * Once we've detected an overflow, we need to clean 3746 * up the temporary memory allocated in pr_getprot() 3747 * and retry. If there's a pending signal, we return 3748 * EINTR so that this thread can be dislodged if 3749 * a latent bug causes us to spin indefinitely. 3750 */ 3751 if (next > (uintptr_t)buf + size) { 3752 pr_getprot_done(&tmp); 3753 AS_LOCK_EXIT(as, &as->a_lock); 3754 3755 kmem_free(buf, size); 3756 3757 if (ISSIG(curthread, JUSTLOOKING)) 3758 return (EINTR); 3759 3760 goto again; 3761 } 3762 3763 php->pr_nmap++; 3764 php->pr_npage += npage; 3765 pmp->pr_vaddr = saddr; 3766 pmp->pr_npage = npage; 3767 pmp->pr_off = SEGOP_GETOFFSET(seg, saddr); 3768 pmp->pr_mflags = 0; 3769 if (prot & PROT_READ) 3770 pmp->pr_mflags |= MA_READ; 3771 if (prot & PROT_WRITE) 3772 pmp->pr_mflags |= MA_WRITE; 3773 if (prot & PROT_EXEC) 3774 pmp->pr_mflags |= MA_EXEC; 3775 if (SEGOP_GETTYPE(seg, saddr) & MAP_SHARED) 3776 pmp->pr_mflags |= MA_SHARED; 3777 pmp->pr_pagesize = PAGESIZE; 3778 hat_getstat(as, saddr, len, hatid, 3779 (char *)(pmp + 1), HAT_SYNC_ZERORM); 3780 pmp = (prasmap_t *)next; 3781 } 3782 ASSERT(tmp == NULL); 3783 } while ((seg = AS_SEGNEXT(as, seg)) != NULL); 3784 3785 AS_LOCK_EXIT(as, &as->a_lock); 3786 3787 ASSERT((uintptr_t)pmp <= (uintptr_t)buf + size); 3788 error = uiomove(buf, (caddr_t)pmp - buf, UIO_READ, uiop); 3789 kmem_free(buf, size); 3790 3791 return (error); 3792 } 3793 3794 #ifdef _SYSCALL32_IMPL 3795 int 3796 oprpdread32(struct as *as, uint_t hatid, struct uio *uiop) 3797 { 3798 caddr_t buf; 3799 size_t size; 3800 ioc_prpageheader32_t *php; 3801 ioc_prasmap32_t *pmp; 3802 struct seg *seg; 3803 int error; 3804 3805 again: 3806 AS_LOCK_ENTER(as, &as->a_lock, RW_WRITER); 3807 3808 if ((seg = AS_SEGFIRST(as)) == NULL) { 3809 AS_LOCK_EXIT(as, &as->a_lock); 3810 return (0); 3811 } 3812 size = oprpdsize32(as); 3813 if (uiop->uio_resid < size) { 3814 AS_LOCK_EXIT(as, &as->a_lock); 3815 return (E2BIG); 3816 } 3817 3818 buf = kmem_zalloc(size, KM_SLEEP); 3819 php = (ioc_prpageheader32_t *)buf; 3820 pmp = (ioc_prasmap32_t *)(buf + sizeof (ioc_prpageheader32_t)); 3821 3822 hrt2ts32(gethrtime(), &php->pr_tstamp); 3823 php->pr_nmap = 0; 3824 php->pr_npage = 0; 3825 do { 3826 caddr_t eaddr = seg->s_base + pr_getsegsize(seg, 0); 3827 caddr_t saddr, naddr; 3828 void *tmp = NULL; 3829 3830 for (saddr = seg->s_base; saddr < eaddr; saddr = naddr) { 3831 size_t len; 3832 size_t npage; 3833 uint_t prot; 3834 uintptr_t next; 3835 3836 prot = pr_getprot(seg, 0, &tmp, &saddr, &naddr, eaddr); 3837 if ((len = naddr - saddr) == 0) 3838 continue; 3839 npage = len / PAGESIZE; 3840 next = (uintptr_t)(pmp + 1) + round4(npage); 3841 /* 3842 * It's possible that the address space can change 3843 * subtlely even though we're holding as->a_lock 3844 * due to the nondeterminism of page_exists() in 3845 * the presence of asychronously flushed pages or 3846 * mapped files whose sizes are changing. 3847 * page_exists() may be called indirectly from 3848 * pr_getprot() by a SEGOP_INCORE() routine. 3849 * If this happens we need to make sure we don't 3850 * overrun the buffer whose size we computed based 3851 * on the initial iteration through the segments. 3852 * Once we've detected an overflow, we need to clean 3853 * up the temporary memory allocated in pr_getprot() 3854 * and retry. If there's a pending signal, we return 3855 * EINTR so that this thread can be dislodged if 3856 * a latent bug causes us to spin indefinitely. 3857 */ 3858 if (next > (uintptr_t)buf + size) { 3859 pr_getprot_done(&tmp); 3860 AS_LOCK_EXIT(as, &as->a_lock); 3861 3862 kmem_free(buf, size); 3863 3864 if (ISSIG(curthread, JUSTLOOKING)) 3865 return (EINTR); 3866 3867 goto again; 3868 } 3869 3870 php->pr_nmap++; 3871 php->pr_npage += npage; 3872 pmp->pr_vaddr = (uint32_t)(uintptr_t)saddr; 3873 pmp->pr_npage = (uint32_t)npage; 3874 pmp->pr_off = (int32_t)SEGOP_GETOFFSET(seg, saddr); 3875 pmp->pr_mflags = 0; 3876 if (prot & PROT_READ) 3877 pmp->pr_mflags |= MA_READ; 3878 if (prot & PROT_WRITE) 3879 pmp->pr_mflags |= MA_WRITE; 3880 if (prot & PROT_EXEC) 3881 pmp->pr_mflags |= MA_EXEC; 3882 if (SEGOP_GETTYPE(seg, saddr) & MAP_SHARED) 3883 pmp->pr_mflags |= MA_SHARED; 3884 pmp->pr_pagesize = PAGESIZE; 3885 hat_getstat(as, saddr, len, hatid, 3886 (char *)(pmp + 1), HAT_SYNC_ZERORM); 3887 pmp = (ioc_prasmap32_t *)next; 3888 } 3889 ASSERT(tmp == NULL); 3890 } while ((seg = AS_SEGNEXT(as, seg)) != NULL); 3891 3892 AS_LOCK_EXIT(as, &as->a_lock); 3893 3894 ASSERT((uintptr_t)pmp == (uintptr_t)buf + size); 3895 error = uiomove(buf, (caddr_t)pmp - buf, UIO_READ, uiop); 3896 kmem_free(buf, size); 3897 3898 return (error); 3899 } 3900 #endif /* _SYSCALL32_IMPL */ 3901 3902 /*ARGSUSED*/ 3903 #ifdef _SYSCALL32_IMPL 3904 int 3905 prioctl( 3906 struct vnode *vp, 3907 int cmd, 3908 intptr_t arg, 3909 int flag, 3910 cred_t *cr, 3911 int *rvalp, 3912 caller_context_t *ct) 3913 { 3914 switch (curproc->p_model) { 3915 case DATAMODEL_ILP32: 3916 return (prioctl32(vp, cmd, arg, flag, cr, rvalp, ct)); 3917 case DATAMODEL_LP64: 3918 return (prioctl64(vp, cmd, arg, flag, cr, rvalp, ct)); 3919 default: 3920 return (ENOSYS); 3921 } 3922 } 3923 #endif /* _SYSCALL32_IMPL */ 3924