prioctl.c revision 10169:116daeae7223
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 2009 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#include <sys/types.h> 30#include <sys/param.h> 31#include <sys/vmparam.h> 32#include <sys/var.h> 33#include <sys/cmn_err.h> 34#include <sys/cred.h> 35#include <sys/debug.h> 36#include <sys/errno.h> 37#include <sys/file.h> 38#include <sys/inline.h> 39#include <sys/kmem.h> 40#include <sys/proc.h> 41#include <sys/sysmacros.h> 42#include <sys/systm.h> 43#include <sys/vfs.h> 44#include <sys/vnode.h> 45#include <sys/cpuvar.h> 46#include <sys/session.h> 47#include <sys/signal.h> 48#include <sys/auxv.h> 49#include <sys/user.h> 50#include <sys/disp.h> 51#include <sys/class.h> 52#include <sys/ts.h> 53#include <sys/mman.h> 54#include <sys/fault.h> 55#include <sys/syscall.h> 56#include <sys/schedctl.h> 57#include <sys/pset.h> 58#include <sys/old_procfs.h> 59#include <sys/zone.h> 60#include <sys/time.h> 61#include <sys/msacct.h> 62#include <vm/rm.h> 63#include <vm/as.h> 64#include <vm/rm.h> 65#include <vm/seg.h> 66#include <vm/seg_vn.h> 67#include <sys/contract_impl.h> 68#include <sys/ctfs_impl.h> 69#include <sys/ctfs.h> 70 71#if defined(__i386) || defined(__i386_COMPAT) 72#include <sys/sysi86.h> 73#endif 74 75#include <fs/proc/prdata.h> 76 77static int isprwrioctl(int); 78static ulong_t prmaprunflags(long); 79static long prmapsetflags(long); 80static void prsetrun(kthread_t *, prrun_t *); 81static int propenm(prnode_t *, caddr_t, caddr_t, int *, cred_t *); 82extern void oprgetstatus(kthread_t *, prstatus_t *, zone_t *); 83extern void oprgetpsinfo(proc_t *, prpsinfo_t *, kthread_t *); 84static int oprgetmap(proc_t *, list_t *); 85 86static int 87prctioctl(prnode_t *pnp, int cmd, intptr_t arg, int flag, cred_t *cr) 88{ 89 int error = 0; 90 ct_kparam_t kparam; 91 ct_param_t *param = &kparam.param; 92 ct_template_t *tmpl; 93 94 if (cmd != CT_TSET && cmd != CT_TGET) 95 return (EINVAL); 96 97 error = ctparam_copyin((void *)arg, &kparam, flag, cmd); 98 if (error != 0) 99 return (error); 100 101 if ((error = prlock(pnp, ZNO)) != 0) { 102 kmem_free(kparam.ctpm_kbuf, param->ctpm_size); 103 return (error); 104 } 105 106 tmpl = pnp->pr_common->prc_thread->t_lwp->lwp_ct_active[pnp->pr_cttype]; 107 if (tmpl == NULL) { 108 prunlock(pnp); 109 kmem_free(kparam.ctpm_kbuf, param->ctpm_size); 110 return (ESTALE); 111 } 112 113 if (cmd == CT_TSET) 114 error = ctmpl_set(tmpl, &kparam, cr); 115 else 116 error = ctmpl_get(tmpl, &kparam); 117 118 prunlock(pnp); 119 120 if (cmd == CT_TGET && error == 0) { 121 error = ctparam_copyout(&kparam, (void *)arg, flag); 122 } else { 123 kmem_free(kparam.ctpm_kbuf, param->ctpm_size); 124 } 125 126 return (error); 127} 128 129 130/* 131 * Control operations (lots). 132 */ 133/*ARGSUSED*/ 134#ifdef _SYSCALL32_IMPL 135static int 136prioctl64( 137 struct vnode *vp, 138 int cmd, 139 intptr_t arg, 140 int flag, 141 cred_t *cr, 142 int *rvalp, 143 caller_context_t *ct) 144#else 145int 146prioctl( 147 struct vnode *vp, 148 int cmd, 149 intptr_t arg, 150 int flag, 151 cred_t *cr, 152 int *rvalp, 153 caller_context_t *ct) 154#endif /* _SYSCALL32_IMPL */ 155{ 156 caddr_t cmaddr = (caddr_t)arg; 157 proc_t *p; 158 user_t *up; 159 kthread_t *t; 160 klwp_t *lwp; 161 prnode_t *pnp = VTOP(vp); 162 prcommon_t *pcp; 163 prnode_t *xpnp = NULL; 164 int error; 165 int zdisp; 166 void *thing = NULL; 167 size_t thingsize = 0; 168 169 /* 170 * For copyin()/copyout(). 171 */ 172 union { 173 caddr_t va; 174 int signo; 175 int nice; 176 uint_t lwpid; 177 long flags; 178 prstatus_t prstat; 179 prrun_t prrun; 180 sigset_t smask; 181 siginfo_t info; 182 sysset_t prmask; 183 prgregset_t regs; 184 prfpregset_t fpregs; 185 prpsinfo_t prps; 186 sigset_t holdmask; 187 fltset_t fltmask; 188 prcred_t prcred; 189 prhusage_t prhusage; 190 prmap_t prmap; 191 auxv_t auxv[__KERN_NAUXV_IMPL]; 192 } un; 193 194 if (pnp->pr_type == PR_TMPL) 195 return (prctioctl(pnp, cmd, arg, flag, cr)); 196 197 /* 198 * Support for old /proc interface. 199 */ 200 if (pnp->pr_pidfile != NULL) { 201 ASSERT(pnp->pr_type == PR_PIDDIR); 202 vp = pnp->pr_pidfile; 203 pnp = VTOP(vp); 204 ASSERT(pnp->pr_type == PR_PIDFILE); 205 } 206 207 if (pnp->pr_type != PR_PIDFILE && pnp->pr_type != PR_LWPIDFILE) 208 return (ENOTTY); 209 210 /* 211 * Fail ioctls which are logically "write" requests unless 212 * the user has write permission. 213 */ 214 if ((flag & FWRITE) == 0 && isprwrioctl(cmd)) 215 return (EBADF); 216 217 /* 218 * Perform any necessary copyin() operations before 219 * locking the process. Helps avoid deadlocks and 220 * improves performance. 221 * 222 * Also, detect invalid ioctl codes here to avoid 223 * locking a process unnnecessarily. 224 * 225 * Also, prepare to allocate space that will be needed below, 226 * case by case. 227 */ 228 error = 0; 229 switch (cmd) { 230 case PIOCGETPR: 231 thingsize = sizeof (proc_t); 232 break; 233 case PIOCGETU: 234 thingsize = sizeof (user_t); 235 break; 236 case PIOCSTOP: 237 case PIOCWSTOP: 238 case PIOCLWPIDS: 239 case PIOCGTRACE: 240 case PIOCGENTRY: 241 case PIOCGEXIT: 242 case PIOCSRLC: 243 case PIOCRRLC: 244 case PIOCSFORK: 245 case PIOCRFORK: 246 case PIOCGREG: 247 case PIOCGFPREG: 248 case PIOCSTATUS: 249 case PIOCLSTATUS: 250 case PIOCPSINFO: 251 case PIOCMAXSIG: 252 case PIOCGXREGSIZE: 253 break; 254 case PIOCSXREG: /* set extra registers */ 255 case PIOCGXREG: /* get extra registers */ 256#if defined(__sparc) 257 thingsize = sizeof (prxregset_t); 258#else 259 thingsize = 0; 260#endif 261 break; 262 case PIOCACTION: 263 thingsize = (NSIG-1) * sizeof (struct sigaction); 264 break; 265 case PIOCGHOLD: 266 case PIOCNMAP: 267 case PIOCMAP: 268 case PIOCGFAULT: 269 case PIOCCFAULT: 270 case PIOCCRED: 271 case PIOCGROUPS: 272 case PIOCUSAGE: 273 case PIOCLUSAGE: 274 break; 275 case PIOCOPENPD: 276 /* 277 * We will need this below. 278 * Allocate it now, before locking the process. 279 */ 280 xpnp = prgetnode(vp, PR_OPAGEDATA); 281 break; 282 case PIOCNAUXV: 283 case PIOCAUXV: 284 break; 285 286#if defined(__i386) || defined(__amd64) 287 case PIOCNLDT: 288 case PIOCLDT: 289 break; 290#endif /* __i386 || __amd64 */ 291 292#if defined(__sparc) 293 case PIOCGWIN: 294 thingsize = sizeof (gwindows_t); 295 break; 296#endif /* __sparc */ 297 298 case PIOCOPENM: /* open mapped object for reading */ 299 if (cmaddr == NULL) 300 un.va = NULL; 301 else if (copyin(cmaddr, &un.va, sizeof (un.va))) 302 error = EFAULT; 303 break; 304 305 case PIOCRUN: /* make lwp or process runnable */ 306 if (cmaddr == NULL) 307 un.prrun.pr_flags = 0; 308 else if (copyin(cmaddr, &un.prrun, sizeof (un.prrun))) 309 error = EFAULT; 310 break; 311 312 case PIOCOPENLWP: /* return /proc lwp file descriptor */ 313 if (copyin(cmaddr, &un.lwpid, sizeof (un.lwpid))) 314 error = EFAULT; 315 break; 316 317 case PIOCSTRACE: /* set signal trace mask */ 318 if (copyin(cmaddr, &un.smask, sizeof (un.smask))) 319 error = EFAULT; 320 break; 321 322 case PIOCSSIG: /* set current signal */ 323 if (cmaddr == NULL) 324 un.info.si_signo = 0; 325 else if (copyin(cmaddr, &un.info, sizeof (un.info))) 326 error = EFAULT; 327 break; 328 329 case PIOCKILL: /* send signal */ 330 case PIOCUNKILL: /* delete a signal */ 331 if (copyin(cmaddr, &un.signo, sizeof (un.signo))) 332 error = EFAULT; 333 break; 334 335 case PIOCNICE: /* set nice priority */ 336 if (copyin(cmaddr, &un.nice, sizeof (un.nice))) 337 error = EFAULT; 338 break; 339 340 case PIOCSENTRY: /* set syscall entry bit mask */ 341 case PIOCSEXIT: /* set syscall exit bit mask */ 342 if (copyin(cmaddr, &un.prmask, sizeof (un.prmask))) 343 error = EFAULT; 344 break; 345 346 case PIOCSET: /* set process flags */ 347 case PIOCRESET: /* reset process flags */ 348 if (copyin(cmaddr, &un.flags, sizeof (un.flags))) 349 error = EFAULT; 350 break; 351 352 case PIOCSREG: /* set general registers */ 353 if (copyin(cmaddr, un.regs, sizeof (un.regs))) 354 error = EFAULT; 355 break; 356 357 case PIOCSFPREG: /* set floating-point registers */ 358 if (copyin(cmaddr, &un.fpregs, sizeof (un.fpregs))) 359 error = EFAULT; 360 break; 361 362 case PIOCSHOLD: /* set signal-hold mask */ 363 if (copyin(cmaddr, &un.holdmask, sizeof (un.holdmask))) 364 error = EFAULT; 365 break; 366 367 case PIOCSFAULT: /* set mask of traced faults */ 368 if (copyin(cmaddr, &un.fltmask, sizeof (un.fltmask))) 369 error = EFAULT; 370 break; 371 372 default: 373 error = EINVAL; 374 break; 375 } 376 377 if (error) 378 return (error); 379 380startover: 381 /* 382 * If we need kmem_alloc()d space then we allocate it now, before 383 * grabbing the process lock. Using kmem_alloc(KM_SLEEP) while 384 * holding the process lock leads to deadlock with the clock thread. 385 * (The clock thread wakes up the pageout daemon to free up space. 386 * If the clock thread blocks behind us and we are sleeping waiting 387 * for space, then space may never become available.) 388 */ 389 if (thingsize) { 390 ASSERT(thing == NULL); 391 thing = kmem_alloc(thingsize, KM_SLEEP); 392 } 393 394 switch (cmd) { 395 case PIOCPSINFO: 396 case PIOCGETPR: 397 case PIOCUSAGE: 398 case PIOCLUSAGE: 399 zdisp = ZYES; 400 break; 401 case PIOCSXREG: /* set extra registers */ 402 /* 403 * perform copyin before grabbing the process lock 404 */ 405 if (thing) { 406 if (copyin(cmaddr, thing, thingsize)) { 407 kmem_free(thing, thingsize); 408 return (EFAULT); 409 } 410 } 411 /* fall through... */ 412 default: 413 zdisp = ZNO; 414 break; 415 } 416 417 if ((error = prlock(pnp, zdisp)) != 0) { 418 if (thing != NULL) 419 kmem_free(thing, thingsize); 420 if (xpnp) 421 prfreenode(xpnp); 422 return (error); 423 } 424 425 pcp = pnp->pr_common; 426 p = pcp->prc_proc; 427 ASSERT(p != NULL); 428 429 /* 430 * Choose a thread/lwp for the operation. 431 */ 432 if (zdisp == ZNO && cmd != PIOCSTOP && cmd != PIOCWSTOP) { 433 if (pnp->pr_type == PR_LWPIDFILE && cmd != PIOCLSTATUS) { 434 t = pcp->prc_thread; 435 ASSERT(t != NULL); 436 } else { 437 t = prchoose(p); /* returns locked thread */ 438 ASSERT(t != NULL); 439 thread_unlock(t); 440 } 441 lwp = ttolwp(t); 442 } 443 444 error = 0; 445 switch (cmd) { 446 447 case PIOCGETPR: /* read struct proc */ 448 { 449 proc_t *prp = thing; 450 451 *prp = *p; 452 prunlock(pnp); 453 if (copyout(prp, cmaddr, sizeof (proc_t))) 454 error = EFAULT; 455 kmem_free(prp, sizeof (proc_t)); 456 thing = NULL; 457 break; 458 } 459 460 case PIOCGETU: /* read u-area */ 461 { 462 user_t *userp = thing; 463 464 up = PTOU(p); 465 *userp = *up; 466 prunlock(pnp); 467 if (copyout(userp, cmaddr, sizeof (user_t))) 468 error = EFAULT; 469 kmem_free(userp, sizeof (user_t)); 470 thing = NULL; 471 break; 472 } 473 474 case PIOCOPENM: /* open mapped object for reading */ 475 error = propenm(pnp, cmaddr, un.va, rvalp, cr); 476 /* propenm() called prunlock(pnp) */ 477 break; 478 479 case PIOCSTOP: /* stop process or lwp from running */ 480 case PIOCWSTOP: /* wait for process or lwp to stop */ 481 /* 482 * Can't apply to a system process. 483 */ 484 if ((p->p_flag & SSYS) || p->p_as == &kas) { 485 prunlock(pnp); 486 error = EBUSY; 487 break; 488 } 489 490 if (cmd == PIOCSTOP) 491 pr_stop(pnp); 492 493 /* 494 * If an lwp is waiting for itself or its process, don't wait. 495 * The stopped lwp would never see the fact that it is stopped. 496 */ 497 if ((pnp->pr_type == PR_LWPIDFILE)? 498 (pcp->prc_thread == curthread) : (p == curproc)) { 499 if (cmd == PIOCWSTOP) 500 error = EBUSY; 501 prunlock(pnp); 502 break; 503 } 504 505 if ((error = pr_wait_stop(pnp, (time_t)0)) != 0) 506 break; /* pr_wait_stop() unlocked the process */ 507 508 if (cmaddr == NULL) 509 prunlock(pnp); 510 else { 511 /* 512 * Return process/lwp status information. 513 */ 514 t = pr_thread(pnp); /* returns locked thread */ 515 thread_unlock(t); 516 oprgetstatus(t, &un.prstat, VTOZONE(vp)); 517 prunlock(pnp); 518 if (copyout(&un.prstat, cmaddr, sizeof (un.prstat))) 519 error = EFAULT; 520 } 521 break; 522 523 case PIOCRUN: /* make lwp or process runnable */ 524 { 525 long flags = un.prrun.pr_flags; 526 527 /* 528 * Cannot set an lwp running is it is not stopped. 529 * Also, no lwp other than the /proc agent lwp can 530 * be set running so long as the /proc agent lwp exists. 531 */ 532 if ((!ISTOPPED(t) && !VSTOPPED(t) && 533 !(t->t_proc_flag & TP_PRSTOP)) || 534 (p->p_agenttp != NULL && 535 (t != p->p_agenttp || pnp->pr_type != PR_LWPIDFILE))) { 536 prunlock(pnp); 537 error = EBUSY; 538 break; 539 } 540 541 if (flags & (PRSHOLD|PRSTRACE|PRSFAULT|PRSVADDR)) 542 prsetrun(t, &un.prrun); 543 544 error = pr_setrun(pnp, prmaprunflags(flags)); 545 546 prunlock(pnp); 547 break; 548 } 549 550 case PIOCLWPIDS: /* get array of lwp identifiers */ 551 { 552 int nlwp; 553 int Nlwp; 554 id_t *idp; 555 id_t *Bidp; 556 557 Nlwp = nlwp = p->p_lwpcnt; 558 559 if (thing && thingsize != (Nlwp+1) * sizeof (id_t)) { 560 kmem_free(thing, thingsize); 561 thing = NULL; 562 } 563 if (thing == NULL) { 564 thingsize = (Nlwp+1) * sizeof (id_t); 565 thing = kmem_alloc(thingsize, KM_NOSLEEP); 566 } 567 if (thing == NULL) { 568 prunlock(pnp); 569 goto startover; 570 } 571 572 idp = thing; 573 thing = NULL; 574 Bidp = idp; 575 if ((t = p->p_tlist) != NULL) { 576 do { 577 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 578 ASSERT(nlwp > 0); 579 --nlwp; 580 *idp++ = t->t_tid; 581 } while ((t = t->t_forw) != p->p_tlist); 582 } 583 *idp = 0; 584 ASSERT(nlwp == 0); 585 prunlock(pnp); 586 if (copyout(Bidp, cmaddr, (Nlwp+1) * sizeof (id_t))) 587 error = EFAULT; 588 kmem_free(Bidp, (Nlwp+1) * sizeof (id_t)); 589 break; 590 } 591 592 case PIOCOPENLWP: /* return /proc lwp file descriptor */ 593 { 594 vnode_t *xvp; 595 int n; 596 597 prunlock(pnp); 598 if ((xvp = prlwpnode(pnp, un.lwpid)) == NULL) 599 error = ENOENT; 600 else if (error = fassign(&xvp, flag & (FREAD|FWRITE), &n)) { 601 VN_RELE(xvp); 602 } else 603 *rvalp = n; 604 break; 605 } 606 607 case PIOCOPENPD: /* return /proc page data file descriptor */ 608 { 609 vnode_t *xvp = PTOV(xpnp); 610 vnode_t *dp = pnp->pr_parent; 611 int n; 612 613 if (pnp->pr_type == PR_LWPIDFILE) { 614 dp = VTOP(dp)->pr_parent; 615 dp = VTOP(dp)->pr_parent; 616 } 617 ASSERT(VTOP(dp)->pr_type == PR_PIDDIR); 618 619 VN_HOLD(dp); 620 pcp = pnp->pr_pcommon; 621 xpnp->pr_ino = ptoi(pcp->prc_pid); 622 xpnp->pr_common = pcp; 623 xpnp->pr_pcommon = pcp; 624 xpnp->pr_parent = dp; 625 626 xpnp->pr_next = p->p_plist; 627 p->p_plist = xvp; 628 629 prunlock(pnp); 630 if (error = fassign(&xvp, FREAD, &n)) { 631 VN_RELE(xvp); 632 } else 633 *rvalp = n; 634 635 xpnp = NULL; 636 break; 637 } 638 639 case PIOCGTRACE: /* get signal trace mask */ 640 prassignset(&un.smask, &p->p_sigmask); 641 prunlock(pnp); 642 if (copyout(&un.smask, cmaddr, sizeof (un.smask))) 643 error = EFAULT; 644 break; 645 646 case PIOCSTRACE: /* set signal trace mask */ 647 prdelset(&un.smask, SIGKILL); 648 prassignset(&p->p_sigmask, &un.smask); 649 if (!sigisempty(&p->p_sigmask)) 650 p->p_proc_flag |= P_PR_TRACE; 651 else if (prisempty(&p->p_fltmask)) { 652 up = PTOU(p); 653 if (up->u_systrap == 0) 654 p->p_proc_flag &= ~P_PR_TRACE; 655 } 656 prunlock(pnp); 657 break; 658 659 case PIOCSSIG: /* set current signal */ 660 error = pr_setsig(pnp, &un.info); 661 prunlock(pnp); 662 if (un.info.si_signo == SIGKILL && error == 0) 663 pr_wait_die(pnp); 664 break; 665 666 case PIOCKILL: /* send signal */ 667 { 668 int sig = (int)un.signo; 669 670 error = pr_kill(pnp, sig, cr); 671 prunlock(pnp); 672 if (sig == SIGKILL && error == 0) 673 pr_wait_die(pnp); 674 break; 675 } 676 677 case PIOCUNKILL: /* delete a signal */ 678 error = pr_unkill(pnp, (int)un.signo); 679 prunlock(pnp); 680 break; 681 682 case PIOCNICE: /* set nice priority */ 683 error = pr_nice(p, (int)un.nice, cr); 684 prunlock(pnp); 685 break; 686 687 case PIOCGENTRY: /* get syscall entry bit mask */ 688 case PIOCGEXIT: /* get syscall exit bit mask */ 689 up = PTOU(p); 690 if (cmd == PIOCGENTRY) { 691 prassignset(&un.prmask, &up->u_entrymask); 692 } else { 693 prassignset(&un.prmask, &up->u_exitmask); 694 } 695 prunlock(pnp); 696 if (copyout(&un.prmask, cmaddr, sizeof (un.prmask))) 697 error = EFAULT; 698 break; 699 700 case PIOCSENTRY: /* set syscall entry bit mask */ 701 case PIOCSEXIT: /* set syscall exit bit mask */ 702 pr_setentryexit(p, &un.prmask, cmd == PIOCSENTRY); 703 prunlock(pnp); 704 break; 705 706 case PIOCSRLC: /* obsolete: set running on last /proc close */ 707 error = pr_set(p, prmapsetflags(PR_RLC)); 708 prunlock(pnp); 709 break; 710 711 case PIOCRRLC: /* obsolete: reset run-on-last-close flag */ 712 error = pr_unset(p, prmapsetflags(PR_RLC)); 713 prunlock(pnp); 714 break; 715 716 case PIOCSFORK: /* obsolete: set inherit-on-fork flag */ 717 error = pr_set(p, prmapsetflags(PR_FORK)); 718 prunlock(pnp); 719 break; 720 721 case PIOCRFORK: /* obsolete: reset inherit-on-fork flag */ 722 error = pr_unset(p, prmapsetflags(PR_FORK)); 723 prunlock(pnp); 724 break; 725 726 case PIOCSET: /* set process flags */ 727 error = pr_set(p, prmapsetflags(un.flags)); 728 prunlock(pnp); 729 break; 730 731 case PIOCRESET: /* reset process flags */ 732 error = pr_unset(p, prmapsetflags(un.flags)); 733 prunlock(pnp); 734 break; 735 736 case PIOCGREG: /* get general registers */ 737 if (t->t_state != TS_STOPPED && !VSTOPPED(t)) 738 bzero(un.regs, sizeof (un.regs)); 739 else { 740 /* drop p_lock while touching the lwp's stack */ 741 mutex_exit(&p->p_lock); 742 prgetprregs(lwp, un.regs); 743 mutex_enter(&p->p_lock); 744 } 745 prunlock(pnp); 746 if (copyout(un.regs, cmaddr, sizeof (un.regs))) 747 error = EFAULT; 748 break; 749 750 case PIOCSREG: /* set general registers */ 751 if (!ISTOPPED(t) && !VSTOPPED(t) && !DSTOPPED(t)) 752 error = EBUSY; 753 else { 754 /* drop p_lock while touching the lwp's stack */ 755 mutex_exit(&p->p_lock); 756 prsetprregs(lwp, un.regs, 0); 757 mutex_enter(&p->p_lock); 758 } 759 prunlock(pnp); 760 break; 761 762 case PIOCGFPREG: /* get floating-point registers */ 763 if (!prhasfp()) { 764 prunlock(pnp); 765 error = EINVAL; /* No FP support */ 766 break; 767 } 768 769 if (t->t_state != TS_STOPPED && !VSTOPPED(t)) 770 bzero(&un.fpregs, sizeof (un.fpregs)); 771 else { 772 /* drop p_lock while touching the lwp's stack */ 773 mutex_exit(&p->p_lock); 774 prgetprfpregs(lwp, &un.fpregs); 775 mutex_enter(&p->p_lock); 776 } 777 prunlock(pnp); 778 if (copyout(&un.fpregs, cmaddr, sizeof (un.fpregs))) 779 error = EFAULT; 780 break; 781 782 case PIOCSFPREG: /* set floating-point registers */ 783 if (!prhasfp()) 784 error = EINVAL; /* No FP support */ 785 else if (!ISTOPPED(t) && !VSTOPPED(t) && !DSTOPPED(t)) 786 error = EBUSY; 787 else { 788 /* drop p_lock while touching the lwp's stack */ 789 mutex_exit(&p->p_lock); 790 prsetprfpregs(lwp, &un.fpregs); 791 mutex_enter(&p->p_lock); 792 } 793 prunlock(pnp); 794 break; 795 796 case PIOCGXREGSIZE: /* get the size of the extra registers */ 797 { 798 int xregsize; 799 800 if (prhasx(p)) { 801 xregsize = prgetprxregsize(p); 802 prunlock(pnp); 803 if (copyout(&xregsize, cmaddr, sizeof (xregsize))) 804 error = EFAULT; 805 } else { 806 prunlock(pnp); 807 error = EINVAL; /* No extra register support */ 808 } 809 break; 810 } 811 812 case PIOCGXREG: /* get extra registers */ 813 if (prhasx(p)) { 814 bzero(thing, thingsize); 815 if (t->t_state == TS_STOPPED || VSTOPPED(t)) { 816 /* drop p_lock to touch the stack */ 817 mutex_exit(&p->p_lock); 818 prgetprxregs(lwp, thing); 819 mutex_enter(&p->p_lock); 820 } 821 prunlock(pnp); 822 if (copyout(thing, cmaddr, thingsize)) 823 error = EFAULT; 824 } else { 825 prunlock(pnp); 826 error = EINVAL; /* No extra register support */ 827 } 828 if (thing) { 829 kmem_free(thing, thingsize); 830 thing = NULL; 831 } 832 break; 833 834 case PIOCSXREG: /* set extra registers */ 835 if (!ISTOPPED(t) && !VSTOPPED(t) && !DSTOPPED(t)) 836 error = EBUSY; 837 else if (!prhasx(p)) 838 error = EINVAL; /* No extra register support */ 839 else if (thing) { 840 /* drop p_lock while touching the lwp's stack */ 841 mutex_exit(&p->p_lock); 842 prsetprxregs(lwp, thing); 843 mutex_enter(&p->p_lock); 844 } 845 prunlock(pnp); 846 if (thing) { 847 kmem_free(thing, thingsize); 848 thing = NULL; 849 } 850 break; 851 852 case PIOCSTATUS: /* get process/lwp status */ 853 oprgetstatus(t, &un.prstat, VTOZONE(vp)); 854 prunlock(pnp); 855 if (copyout(&un.prstat, cmaddr, sizeof (un.prstat))) 856 error = EFAULT; 857 break; 858 859 case PIOCLSTATUS: /* get status for process & all lwps */ 860 { 861 int Nlwp; 862 int nlwp; 863 prstatus_t *Bprsp; 864 prstatus_t *prsp; 865 866 nlwp = Nlwp = p->p_lwpcnt; 867 868 if (thing && thingsize != (Nlwp+1) * sizeof (prstatus_t)) { 869 kmem_free(thing, thingsize); 870 thing = NULL; 871 } 872 if (thing == NULL) { 873 thingsize = (Nlwp+1) * sizeof (prstatus_t); 874 thing = kmem_alloc(thingsize, KM_NOSLEEP); 875 } 876 if (thing == NULL) { 877 prunlock(pnp); 878 goto startover; 879 } 880 881 Bprsp = thing; 882 thing = NULL; 883 prsp = Bprsp; 884 oprgetstatus(t, prsp, VTOZONE(vp)); 885 t = p->p_tlist; 886 do { 887 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 888 ASSERT(nlwp > 0); 889 --nlwp; 890 oprgetstatus(t, ++prsp, VTOZONE(vp)); 891 } while ((t = t->t_forw) != p->p_tlist); 892 ASSERT(nlwp == 0); 893 prunlock(pnp); 894 if (copyout(Bprsp, cmaddr, (Nlwp+1) * sizeof (prstatus_t))) 895 error = EFAULT; 896 897 kmem_free(Bprsp, (Nlwp+1) * sizeof (prstatus_t)); 898 break; 899 } 900 901 case PIOCPSINFO: /* get ps(1) information */ 902 { 903 prpsinfo_t *psp = &un.prps; 904 905 oprgetpsinfo(p, psp, 906 (pnp->pr_type == PR_LWPIDFILE)? pcp->prc_thread : NULL); 907 908 prunlock(pnp); 909 if (copyout(&un.prps, cmaddr, sizeof (un.prps))) 910 error = EFAULT; 911 break; 912 } 913 914 case PIOCMAXSIG: /* get maximum signal number */ 915 { 916 int n = NSIG-1; 917 918 prunlock(pnp); 919 if (copyout(&n, cmaddr, sizeof (n))) 920 error = EFAULT; 921 break; 922 } 923 924 case PIOCACTION: /* get signal action structures */ 925 { 926 uint_t sig; 927 struct sigaction *sap = thing; 928 929 up = PTOU(p); 930 for (sig = 1; sig < NSIG; sig++) 931 prgetaction(p, up, sig, &sap[sig-1]); 932 prunlock(pnp); 933 if (copyout(sap, cmaddr, (NSIG-1) * sizeof (struct sigaction))) 934 error = EFAULT; 935 kmem_free(sap, (NSIG-1) * sizeof (struct sigaction)); 936 thing = NULL; 937 break; 938 } 939 940 case PIOCGHOLD: /* get signal-hold mask */ 941 schedctl_finish_sigblock(t); 942 sigktou(&t->t_hold, &un.holdmask); 943 prunlock(pnp); 944 if (copyout(&un.holdmask, cmaddr, sizeof (un.holdmask))) 945 error = EFAULT; 946 break; 947 948 case PIOCSHOLD: /* set signal-hold mask */ 949 pr_sethold(pnp, &un.holdmask); 950 prunlock(pnp); 951 break; 952 953 case PIOCNMAP: /* get number of memory mappings */ 954 { 955 int n; 956 struct as *as = p->p_as; 957 958 if ((p->p_flag & SSYS) || as == &kas) 959 n = 0; 960 else { 961 mutex_exit(&p->p_lock); 962 AS_LOCK_ENTER(as, &as->a_lock, RW_WRITER); 963 n = prnsegs(as, 0); 964 AS_LOCK_EXIT(as, &as->a_lock); 965 mutex_enter(&p->p_lock); 966 } 967 prunlock(pnp); 968 if (copyout(&n, cmaddr, sizeof (int))) 969 error = EFAULT; 970 break; 971 } 972 973 case PIOCMAP: /* get memory map information */ 974 { 975 list_t iolhead; 976 struct as *as = p->p_as; 977 978 if ((p->p_flag & SSYS) || as == &kas) { 979 error = 0; 980 prunlock(pnp); 981 } else { 982 mutex_exit(&p->p_lock); 983 AS_LOCK_ENTER(as, &as->a_lock, RW_WRITER); 984 error = oprgetmap(p, &iolhead); 985 AS_LOCK_EXIT(as, &as->a_lock); 986 mutex_enter(&p->p_lock); 987 prunlock(pnp); 988 989 error = pr_iol_copyout_and_free(&iolhead, 990 &cmaddr, error); 991 } 992 /* 993 * The procfs PIOCMAP ioctl returns an all-zero buffer 994 * to indicate the end of the prmap[] array. 995 * Append it to whatever has already been copied out. 996 */ 997 bzero(&un.prmap, sizeof (un.prmap)); 998 if (!error && copyout(&un.prmap, cmaddr, sizeof (un.prmap))) 999 error = EFAULT; 1000 1001 break; 1002 } 1003 1004 case PIOCGFAULT: /* get mask of traced faults */ 1005 prassignset(&un.fltmask, &p->p_fltmask); 1006 prunlock(pnp); 1007 if (copyout(&un.fltmask, cmaddr, sizeof (un.fltmask))) 1008 error = EFAULT; 1009 break; 1010 1011 case PIOCSFAULT: /* set mask of traced faults */ 1012 pr_setfault(p, &un.fltmask); 1013 prunlock(pnp); 1014 break; 1015 1016 case PIOCCFAULT: /* clear current fault */ 1017 lwp->lwp_curflt = 0; 1018 prunlock(pnp); 1019 break; 1020 1021 case PIOCCRED: /* get process credentials */ 1022 { 1023 cred_t *cp; 1024 1025 mutex_enter(&p->p_crlock); 1026 cp = p->p_cred; 1027 un.prcred.pr_euid = crgetuid(cp); 1028 un.prcred.pr_ruid = crgetruid(cp); 1029 un.prcred.pr_suid = crgetsuid(cp); 1030 un.prcred.pr_egid = crgetgid(cp); 1031 un.prcred.pr_rgid = crgetrgid(cp); 1032 un.prcred.pr_sgid = crgetsgid(cp); 1033 un.prcred.pr_ngroups = crgetngroups(cp); 1034 mutex_exit(&p->p_crlock); 1035 1036 prunlock(pnp); 1037 if (copyout(&un.prcred, cmaddr, sizeof (un.prcred))) 1038 error = EFAULT; 1039 break; 1040 } 1041 1042 case PIOCGROUPS: /* get supplementary groups */ 1043 { 1044 cred_t *cp; 1045 1046 mutex_enter(&p->p_crlock); 1047 cp = p->p_cred; 1048 crhold(cp); 1049 mutex_exit(&p->p_crlock); 1050 1051 prunlock(pnp); 1052 if (copyout(crgetgroups(cp), cmaddr, 1053 MAX(crgetngroups(cp), 1) * sizeof (gid_t))) 1054 error = EFAULT; 1055 crfree(cp); 1056 break; 1057 } 1058 1059 case PIOCUSAGE: /* get usage info */ 1060 { 1061 /* 1062 * For an lwp file descriptor, return just the lwp usage. 1063 * For a process file descriptor, return total usage, 1064 * all current lwps plus all defunct lwps. 1065 */ 1066 prhusage_t *pup = &un.prhusage; 1067 prusage_t *upup; 1068 1069 bzero(pup, sizeof (*pup)); 1070 pup->pr_tstamp = gethrtime(); 1071 1072 if (pnp->pr_type == PR_LWPIDFILE) { 1073 t = pcp->prc_thread; 1074 if (t != NULL) 1075 prgetusage(t, pup); 1076 else 1077 error = ENOENT; 1078 } else { 1079 pup->pr_count = p->p_defunct; 1080 pup->pr_create = p->p_mstart; 1081 pup->pr_term = p->p_mterm; 1082 1083 pup->pr_rtime = p->p_mlreal; 1084 pup->pr_utime = p->p_acct[LMS_USER]; 1085 pup->pr_stime = p->p_acct[LMS_SYSTEM]; 1086 pup->pr_ttime = p->p_acct[LMS_TRAP]; 1087 pup->pr_tftime = p->p_acct[LMS_TFAULT]; 1088 pup->pr_dftime = p->p_acct[LMS_DFAULT]; 1089 pup->pr_kftime = p->p_acct[LMS_KFAULT]; 1090 pup->pr_ltime = p->p_acct[LMS_USER_LOCK]; 1091 pup->pr_slptime = p->p_acct[LMS_SLEEP]; 1092 pup->pr_wtime = p->p_acct[LMS_WAIT_CPU]; 1093 pup->pr_stoptime = p->p_acct[LMS_STOPPED]; 1094 1095 pup->pr_minf = p->p_ru.minflt; 1096 pup->pr_majf = p->p_ru.majflt; 1097 pup->pr_nswap = p->p_ru.nswap; 1098 pup->pr_inblk = p->p_ru.inblock; 1099 pup->pr_oublk = p->p_ru.oublock; 1100 pup->pr_msnd = p->p_ru.msgsnd; 1101 pup->pr_mrcv = p->p_ru.msgrcv; 1102 pup->pr_sigs = p->p_ru.nsignals; 1103 pup->pr_vctx = p->p_ru.nvcsw; 1104 pup->pr_ictx = p->p_ru.nivcsw; 1105 pup->pr_sysc = p->p_ru.sysc; 1106 pup->pr_ioch = p->p_ru.ioch; 1107 1108 /* 1109 * Add the usage information for each active lwp. 1110 */ 1111 if ((t = p->p_tlist) != NULL && 1112 !(pcp->prc_flags & PRC_DESTROY)) { 1113 do { 1114 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 1115 pup->pr_count++; 1116 praddusage(t, pup); 1117 } while ((t = t->t_forw) != p->p_tlist); 1118 } 1119 } 1120 1121 prunlock(pnp); 1122 1123 upup = kmem_zalloc(sizeof (*upup), KM_SLEEP); 1124 prcvtusage(&un.prhusage, upup); 1125 if (copyout(upup, cmaddr, sizeof (*upup))) 1126 error = EFAULT; 1127 kmem_free(upup, sizeof (*upup)); 1128 1129 break; 1130 } 1131 1132 case PIOCLUSAGE: /* get detailed usage info */ 1133 { 1134 int Nlwp; 1135 int nlwp; 1136 prusage_t *upup; 1137 prusage_t *Bupup; 1138 prhusage_t *pup; 1139 hrtime_t curtime; 1140 1141 nlwp = Nlwp = (pcp->prc_flags & PRC_DESTROY)? 0 : p->p_lwpcnt; 1142 1143 if (thing && thingsize != 1144 sizeof (prhusage_t) + (Nlwp+1) * sizeof (prusage_t)) { 1145 kmem_free(thing, thingsize); 1146 thing = NULL; 1147 } 1148 if (thing == NULL) { 1149 thingsize = sizeof (prhusage_t) + 1150 (Nlwp+1) * sizeof (prusage_t); 1151 thing = kmem_alloc(thingsize, KM_NOSLEEP); 1152 } 1153 if (thing == NULL) { 1154 prunlock(pnp); 1155 goto startover; 1156 } 1157 1158 pup = thing; 1159 upup = Bupup = (prusage_t *)(pup + 1); 1160 1161 ASSERT(p == pcp->prc_proc); 1162 1163 curtime = gethrtime(); 1164 1165 /* 1166 * First the summation over defunct lwps. 1167 */ 1168 bzero(pup, sizeof (*pup)); 1169 pup->pr_count = p->p_defunct; 1170 pup->pr_tstamp = curtime; 1171 pup->pr_create = p->p_mstart; 1172 pup->pr_term = p->p_mterm; 1173 1174 pup->pr_rtime = p->p_mlreal; 1175 pup->pr_utime = p->p_acct[LMS_USER]; 1176 pup->pr_stime = p->p_acct[LMS_SYSTEM]; 1177 pup->pr_ttime = p->p_acct[LMS_TRAP]; 1178 pup->pr_tftime = p->p_acct[LMS_TFAULT]; 1179 pup->pr_dftime = p->p_acct[LMS_DFAULT]; 1180 pup->pr_kftime = p->p_acct[LMS_KFAULT]; 1181 pup->pr_ltime = p->p_acct[LMS_USER_LOCK]; 1182 pup->pr_slptime = p->p_acct[LMS_SLEEP]; 1183 pup->pr_wtime = p->p_acct[LMS_WAIT_CPU]; 1184 pup->pr_stoptime = p->p_acct[LMS_STOPPED]; 1185 1186 pup->pr_minf = p->p_ru.minflt; 1187 pup->pr_majf = p->p_ru.majflt; 1188 pup->pr_nswap = p->p_ru.nswap; 1189 pup->pr_inblk = p->p_ru.inblock; 1190 pup->pr_oublk = p->p_ru.oublock; 1191 pup->pr_msnd = p->p_ru.msgsnd; 1192 pup->pr_mrcv = p->p_ru.msgrcv; 1193 pup->pr_sigs = p->p_ru.nsignals; 1194 pup->pr_vctx = p->p_ru.nvcsw; 1195 pup->pr_ictx = p->p_ru.nivcsw; 1196 pup->pr_sysc = p->p_ru.sysc; 1197 pup->pr_ioch = p->p_ru.ioch; 1198 1199 prcvtusage(pup, upup); 1200 1201 /* 1202 * Fill one prusage struct for each active lwp. 1203 */ 1204 if ((t = p->p_tlist) != NULL && 1205 !(pcp->prc_flags & PRC_DESTROY)) { 1206 do { 1207 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 1208 ASSERT(nlwp > 0); 1209 --nlwp; 1210 upup++; 1211 prgetusage(t, pup); 1212 prcvtusage(pup, upup); 1213 } while ((t = t->t_forw) != p->p_tlist); 1214 } 1215 ASSERT(nlwp == 0); 1216 1217 prunlock(pnp); 1218 if (copyout(Bupup, cmaddr, (Nlwp+1) * sizeof (prusage_t))) 1219 error = EFAULT; 1220 kmem_free(thing, thingsize); 1221 thing = NULL; 1222 break; 1223 } 1224 1225 case PIOCNAUXV: /* get number of aux vector entries */ 1226 { 1227 int n = __KERN_NAUXV_IMPL; 1228 1229 prunlock(pnp); 1230 if (copyout(&n, cmaddr, sizeof (int))) 1231 error = EFAULT; 1232 break; 1233 } 1234 1235 case PIOCAUXV: /* get aux vector (see sys/auxv.h) */ 1236 { 1237 up = PTOU(p); 1238 bcopy(up->u_auxv, un.auxv, 1239 __KERN_NAUXV_IMPL * sizeof (auxv_t)); 1240 prunlock(pnp); 1241 if (copyout(un.auxv, cmaddr, 1242 __KERN_NAUXV_IMPL * sizeof (auxv_t))) 1243 error = EFAULT; 1244 break; 1245 } 1246 1247#if defined(__i386) || defined(__amd64) 1248 case PIOCNLDT: /* get number of LDT entries */ 1249 { 1250 int n; 1251 1252 mutex_exit(&p->p_lock); 1253 mutex_enter(&p->p_ldtlock); 1254 n = prnldt(p); 1255 mutex_exit(&p->p_ldtlock); 1256 mutex_enter(&p->p_lock); 1257 prunlock(pnp); 1258 if (copyout(&n, cmaddr, sizeof (n))) 1259 error = EFAULT; 1260 break; 1261 } 1262 1263 case PIOCLDT: /* get LDT entries */ 1264 { 1265 struct ssd *ssd; 1266 int n; 1267 1268 mutex_exit(&p->p_lock); 1269 mutex_enter(&p->p_ldtlock); 1270 n = prnldt(p); 1271 1272 if (thing && thingsize != (n+1) * sizeof (*ssd)) { 1273 kmem_free(thing, thingsize); 1274 thing = NULL; 1275 } 1276 if (thing == NULL) { 1277 thingsize = (n+1) * sizeof (*ssd); 1278 thing = kmem_alloc(thingsize, KM_NOSLEEP); 1279 } 1280 if (thing == NULL) { 1281 mutex_exit(&p->p_ldtlock); 1282 mutex_enter(&p->p_lock); 1283 prunlock(pnp); 1284 goto startover; 1285 } 1286 1287 ssd = thing; 1288 thing = NULL; 1289 if (n != 0) 1290 prgetldt(p, ssd); 1291 mutex_exit(&p->p_ldtlock); 1292 mutex_enter(&p->p_lock); 1293 prunlock(pnp); 1294 1295 /* mark the end of the list with a null entry */ 1296 bzero(&ssd[n], sizeof (*ssd)); 1297 if (copyout(ssd, cmaddr, (n+1) * sizeof (*ssd))) 1298 error = EFAULT; 1299 kmem_free(ssd, (n+1) * sizeof (*ssd)); 1300 break; 1301 } 1302#endif /* __i386 || __amd64 */ 1303 1304#if defined(__sparc) 1305 case PIOCGWIN: /* get gwindows_t (see sys/reg.h) */ 1306 { 1307 gwindows_t *gwp = thing; 1308 1309 /* drop p->p_lock while touching the stack */ 1310 mutex_exit(&p->p_lock); 1311 bzero(gwp, sizeof (*gwp)); 1312 prgetwindows(lwp, gwp); 1313 mutex_enter(&p->p_lock); 1314 prunlock(pnp); 1315 if (copyout(gwp, cmaddr, sizeof (*gwp))) 1316 error = EFAULT; 1317 kmem_free(gwp, sizeof (gwindows_t)); 1318 thing = NULL; 1319 break; 1320 } 1321#endif /* __sparc */ 1322 1323 default: 1324 prunlock(pnp); 1325 error = EINVAL; 1326 break; 1327 1328 } 1329 1330 ASSERT(thing == NULL); 1331 ASSERT(xpnp == NULL); 1332 return (error); 1333} 1334 1335#ifdef _SYSCALL32_IMPL 1336 1337static int oprgetmap32(proc_t *, list_t *); 1338 1339void 1340oprgetstatus32(kthread_t *t, prstatus32_t *sp, zone_t *zp) 1341{ 1342 proc_t *p = ttoproc(t); 1343 klwp_t *lwp = ttolwp(t); 1344 int32_t flags; 1345 user_t *up; 1346 ulong_t instr; 1347 1348 ASSERT(MUTEX_HELD(&p->p_lock)); 1349 1350 up = PTOU(p); 1351 bzero(sp, sizeof (*sp)); 1352 flags = 0L; 1353 if (t->t_state == TS_STOPPED) { 1354 flags |= PR_STOPPED; 1355 if ((t->t_schedflag & TS_PSTART) == 0) 1356 flags |= PR_ISTOP; 1357 } else if (VSTOPPED(t)) { 1358 flags |= PR_STOPPED|PR_ISTOP; 1359 } 1360 if (!(flags & PR_ISTOP) && (t->t_proc_flag & TP_PRSTOP)) 1361 flags |= PR_DSTOP; 1362 if (lwp->lwp_asleep) 1363 flags |= PR_ASLEEP; 1364 if (p->p_proc_flag & P_PR_FORK) 1365 flags |= PR_FORK; 1366 if (p->p_proc_flag & P_PR_RUNLCL) 1367 flags |= PR_RLC; 1368 if (p->p_proc_flag & P_PR_KILLCL) 1369 flags |= PR_KLC; 1370 if (p->p_proc_flag & P_PR_ASYNC) 1371 flags |= PR_ASYNC; 1372 if (p->p_proc_flag & P_PR_BPTADJ) 1373 flags |= PR_BPTADJ; 1374 if (p->p_proc_flag & P_PR_PTRACE) 1375 flags |= PR_PCOMPAT; 1376 if (t->t_proc_flag & TP_MSACCT) 1377 flags |= PR_MSACCT; 1378 sp->pr_flags = flags; 1379 if (VSTOPPED(t)) { 1380 sp->pr_why = PR_REQUESTED; 1381 sp->pr_what = 0; 1382 } else { 1383 sp->pr_why = t->t_whystop; 1384 sp->pr_what = t->t_whatstop; 1385 } 1386 1387 if (t->t_whystop == PR_FAULTED) { 1388 siginfo_kto32(&lwp->lwp_siginfo, &sp->pr_info); 1389 if (t->t_whatstop == FLTPAGE) 1390 sp->pr_info.si_addr = 1391 (caddr32_t)(uintptr_t)lwp->lwp_siginfo.si_addr; 1392 } else if (lwp->lwp_curinfo) 1393 siginfo_kto32(&lwp->lwp_curinfo->sq_info, &sp->pr_info); 1394 1395 if (SI_FROMUSER(&lwp->lwp_siginfo) && zp->zone_id != GLOBAL_ZONEID && 1396 sp->pr_info.si_zoneid != zp->zone_id) { 1397 sp->pr_info.si_pid = zp->zone_zsched->p_pid; 1398 sp->pr_info.si_uid = 0; 1399 sp->pr_info.si_ctid = -1; 1400 sp->pr_info.si_zoneid = zp->zone_id; 1401 } 1402 1403 sp->pr_cursig = lwp->lwp_cursig; 1404 prassignset(&sp->pr_sigpend, &p->p_sig); 1405 prassignset(&sp->pr_lwppend, &t->t_sig); 1406 schedctl_finish_sigblock(t); 1407 prassignset(&sp->pr_sighold, &t->t_hold); 1408 sp->pr_altstack.ss_sp = 1409 (caddr32_t)(uintptr_t)lwp->lwp_sigaltstack.ss_sp; 1410 sp->pr_altstack.ss_size = (size32_t)lwp->lwp_sigaltstack.ss_size; 1411 sp->pr_altstack.ss_flags = (int32_t)lwp->lwp_sigaltstack.ss_flags; 1412 prgetaction32(p, up, lwp->lwp_cursig, &sp->pr_action); 1413 sp->pr_pid = p->p_pid; 1414 if (curproc->p_zone->zone_id != GLOBAL_ZONEID && 1415 (p->p_flag & SZONETOP)) { 1416 ASSERT(p->p_zone->zone_id != GLOBAL_ZONEID); 1417 /* 1418 * Inside local zones, fake zsched's pid as parent pids for 1419 * processes which reference processes outside of the zone. 1420 */ 1421 sp->pr_ppid = curproc->p_zone->zone_zsched->p_pid; 1422 } else { 1423 sp->pr_ppid = p->p_ppid; 1424 } 1425 sp->pr_pgrp = p->p_pgrp; 1426 sp->pr_sid = p->p_sessp->s_sid; 1427 hrt2ts32(mstate_aggr_state(p, LMS_USER), &sp->pr_utime); 1428 hrt2ts32(mstate_aggr_state(p, LMS_SYSTEM), &sp->pr_stime); 1429 TICK_TO_TIMESTRUC32(p->p_cutime, &sp->pr_cutime); 1430 TICK_TO_TIMESTRUC32(p->p_cstime, &sp->pr_cstime); 1431 (void) strncpy(sp->pr_clname, sclass[t->t_cid].cl_name, 1432 sizeof (sp->pr_clname) - 1); 1433 sp->pr_who = t->t_tid; 1434 sp->pr_nlwp = p->p_lwpcnt; 1435 sp->pr_brkbase = (caddr32_t)(uintptr_t)p->p_brkbase; 1436 sp->pr_brksize = (size32_t)p->p_brksize; 1437 sp->pr_stkbase = (caddr32_t)(uintptr_t)prgetstackbase(p); 1438 sp->pr_stksize = (size32_t)p->p_stksize; 1439 sp->pr_oldcontext = (caddr32_t)lwp->lwp_oldcontext; 1440 sp->pr_processor = t->t_cpu->cpu_id; 1441 sp->pr_bind = t->t_bind_cpu; 1442 1443 /* 1444 * Fetch the current instruction, if not a system process. 1445 * We don't attempt this unless the lwp is stopped. 1446 */ 1447 if ((p->p_flag & SSYS) || p->p_as == &kas) 1448 sp->pr_flags |= (PR_ISSYS|PR_PCINVAL); 1449 else if (!(flags & PR_STOPPED)) 1450 sp->pr_flags |= PR_PCINVAL; 1451 else if (!prfetchinstr(lwp, &instr)) 1452 sp->pr_flags |= PR_PCINVAL; 1453 else 1454 sp->pr_instr = (uint32_t)instr; 1455 1456 /* 1457 * Drop p_lock while touching the lwp's stack. 1458 */ 1459 mutex_exit(&p->p_lock); 1460 if (prisstep(lwp)) 1461 sp->pr_flags |= PR_STEP; 1462 if ((flags & (PR_STOPPED|PR_ASLEEP)) && t->t_sysnum) { 1463 int i; 1464 auxv_t *auxp; 1465 1466 sp->pr_syscall = get_syscall32_args(lwp, 1467 (int *)sp->pr_sysarg, &i); 1468 sp->pr_nsysarg = (short)i; 1469 if (t->t_whystop == PR_SYSEXIT && 1470 (t->t_sysnum == SYS_exec || t->t_sysnum == SYS_execve)) { 1471 sp->pr_sysarg[0] = 0; 1472 sp->pr_sysarg[1] = (caddr32_t)up->u_argv; 1473 sp->pr_sysarg[2] = (caddr32_t)up->u_envp; 1474 for (i = 0, auxp = up->u_auxv; 1475 i < sizeof (up->u_auxv) / sizeof (up->u_auxv[0]); 1476 i++, auxp++) { 1477 if (auxp->a_type == AT_SUN_EXECNAME) { 1478 sp->pr_sysarg[0] = 1479 (caddr32_t) 1480 (uintptr_t)auxp->a_un.a_ptr; 1481 break; 1482 } 1483 } 1484 } 1485 } 1486 if ((flags & PR_STOPPED) || t == curthread) 1487 prgetprregs32(lwp, sp->pr_reg); 1488 mutex_enter(&p->p_lock); 1489} 1490 1491void 1492oprgetpsinfo32(proc_t *p, prpsinfo32_t *psp, kthread_t *tp) 1493{ 1494 kthread_t *t; 1495 char c, state; 1496 user_t *up; 1497 dev_t d; 1498 uint64_t pct; 1499 int retval, niceval; 1500 cred_t *cred; 1501 struct as *as; 1502 hrtime_t hrutime, hrstime, cur_time; 1503 1504 ASSERT(MUTEX_HELD(&p->p_lock)); 1505 1506 bzero(psp, sizeof (*psp)); 1507 1508 if ((t = tp) == NULL) 1509 t = prchoose(p); /* returns locked thread */ 1510 else 1511 thread_lock(t); 1512 1513 /* kludge: map thread state enum into process state enum */ 1514 1515 if (t == NULL) { 1516 state = TS_ZOMB; 1517 } else { 1518 state = VSTOPPED(t) ? TS_STOPPED : t->t_state; 1519 thread_unlock(t); 1520 } 1521 1522 switch (state) { 1523 case TS_SLEEP: state = SSLEEP; break; 1524 case TS_RUN: state = SRUN; break; 1525 case TS_ONPROC: state = SONPROC; break; 1526 case TS_ZOMB: state = SZOMB; break; 1527 case TS_STOPPED: state = SSTOP; break; 1528 default: state = 0; break; 1529 } 1530 switch (state) { 1531 case SSLEEP: c = 'S'; break; 1532 case SRUN: c = 'R'; break; 1533 case SZOMB: c = 'Z'; break; 1534 case SSTOP: c = 'T'; break; 1535 case SIDL: c = 'I'; break; 1536 case SONPROC: c = 'O'; break; 1537#ifdef SXBRK 1538 case SXBRK: c = 'X'; break; 1539#endif 1540 default: c = '?'; break; 1541 } 1542 psp->pr_state = state; 1543 psp->pr_sname = c; 1544 psp->pr_zomb = (state == SZOMB); 1545 /* 1546 * only export SSYS and SMSACCT; everything else is off-limits to 1547 * userland apps. 1548 */ 1549 psp->pr_flag = p->p_flag & (SSYS | SMSACCT); 1550 1551 mutex_enter(&p->p_crlock); 1552 cred = p->p_cred; 1553 psp->pr_uid = crgetruid(cred); 1554 psp->pr_gid = crgetrgid(cred); 1555 psp->pr_euid = crgetuid(cred); 1556 psp->pr_egid = crgetgid(cred); 1557 mutex_exit(&p->p_crlock); 1558 1559 psp->pr_pid = p->p_pid; 1560 if (curproc->p_zone->zone_id != GLOBAL_ZONEID && 1561 (p->p_flag & SZONETOP)) { 1562 ASSERT(p->p_zone->zone_id != GLOBAL_ZONEID); 1563 /* 1564 * Inside local zones, fake zsched's pid as parent pids for 1565 * processes which reference processes outside of the zone. 1566 */ 1567 psp->pr_ppid = curproc->p_zone->zone_zsched->p_pid; 1568 } else { 1569 psp->pr_ppid = p->p_ppid; 1570 } 1571 psp->pr_pgrp = p->p_pgrp; 1572 psp->pr_sid = p->p_sessp->s_sid; 1573 psp->pr_addr = 0; /* cannot represent 64-bit addr in 32 bits */ 1574 hrutime = mstate_aggr_state(p, LMS_USER); 1575 hrstime = mstate_aggr_state(p, LMS_SYSTEM); 1576 hrt2ts32(hrutime + hrstime, &psp->pr_time); 1577 TICK_TO_TIMESTRUC32(p->p_cutime + p->p_cstime, &psp->pr_ctime); 1578 switch (p->p_model) { 1579 case DATAMODEL_ILP32: 1580 psp->pr_dmodel = PR_MODEL_ILP32; 1581 break; 1582 case DATAMODEL_LP64: 1583 psp->pr_dmodel = PR_MODEL_LP64; 1584 break; 1585 } 1586 if (state == SZOMB || t == NULL) { 1587 int wcode = p->p_wcode; /* must be atomic read */ 1588 1589 if (wcode) 1590 psp->pr_wstat = wstat(wcode, p->p_wdata); 1591 psp->pr_lttydev = PRNODEV32; 1592 psp->pr_ottydev = (o_dev_t)PRNODEV32; 1593 psp->pr_size = 0; 1594 psp->pr_rssize = 0; 1595 psp->pr_pctmem = 0; 1596 } else { 1597 up = PTOU(p); 1598 psp->pr_wchan = 0; /* cannot represent in 32 bits */ 1599 psp->pr_pri = t->t_pri; 1600 (void) strncpy(psp->pr_clname, sclass[t->t_cid].cl_name, 1601 sizeof (psp->pr_clname) - 1); 1602 retval = CL_DONICE(t, NULL, 0, &niceval); 1603 if (retval == 0) { 1604 psp->pr_oldpri = v.v_maxsyspri - psp->pr_pri; 1605 psp->pr_nice = niceval + NZERO; 1606 } else { 1607 psp->pr_oldpri = 0; 1608 psp->pr_nice = 0; 1609 } 1610 d = cttydev(p); 1611#ifdef sun 1612 { 1613 extern dev_t rwsconsdev, rconsdev, uconsdev; 1614 /* 1615 * If the controlling terminal is the real 1616 * or workstation console device, map to what the 1617 * user thinks is the console device. Handle case when 1618 * rwsconsdev or rconsdev is set to NODEV for Starfire. 1619 */ 1620 if ((d == rwsconsdev || d == rconsdev) && d != NODEV) 1621 d = uconsdev; 1622 } 1623#endif 1624 (void) cmpldev(&psp->pr_lttydev, d); 1625 psp->pr_ottydev = cmpdev(d); 1626 TIMESPEC_TO_TIMESPEC32(&psp->pr_start, &up->u_start); 1627 bcopy(up->u_comm, psp->pr_fname, 1628 MIN(sizeof (up->u_comm), sizeof (psp->pr_fname)-1)); 1629 bcopy(up->u_psargs, psp->pr_psargs, 1630 MIN(PRARGSZ-1, PSARGSZ)); 1631 psp->pr_syscall = t->t_sysnum; 1632 psp->pr_argc = up->u_argc; 1633 psp->pr_argv = (caddr32_t)up->u_argv; 1634 psp->pr_envp = (caddr32_t)up->u_envp; 1635 1636 /* compute %cpu for the lwp or process */ 1637 pct = 0; 1638 if ((t = tp) == NULL) 1639 t = p->p_tlist; 1640 cur_time = gethrtime_unscaled(); 1641 do { 1642 pct += cpu_update_pct(t, cur_time); 1643 if (tp != NULL) /* just do the one lwp */ 1644 break; 1645 } while ((t = t->t_forw) != p->p_tlist); 1646 1647 psp->pr_pctcpu = prgetpctcpu(pct); 1648 psp->pr_cpu = (psp->pr_pctcpu*100 + 0x6000) >> 15; /* [0..99] */ 1649 if (psp->pr_cpu > 99) 1650 psp->pr_cpu = 99; 1651 1652 if ((p->p_flag & SSYS) || (as = p->p_as) == &kas) { 1653 psp->pr_size = 0; 1654 psp->pr_rssize = 0; 1655 psp->pr_pctmem = 0; 1656 } else { 1657 mutex_exit(&p->p_lock); 1658 AS_LOCK_ENTER(as, &as->a_lock, RW_READER); 1659 psp->pr_size = (size32_t)btopr(as->a_resvsize); 1660 psp->pr_rssize = (size32_t)rm_asrss(as); 1661 psp->pr_pctmem = rm_pctmemory(as); 1662 AS_LOCK_EXIT(as, &as->a_lock); 1663 mutex_enter(&p->p_lock); 1664 } 1665 } 1666 psp->pr_bysize = (size32_t)ptob(psp->pr_size); 1667 psp->pr_byrssize = (size32_t)ptob(psp->pr_rssize); 1668 1669 /* 1670 * If we are looking at an LP64 process, zero out 1671 * the fields that cannot be represented in ILP32. 1672 */ 1673 if (p->p_model != DATAMODEL_ILP32) { 1674 psp->pr_size = 0; 1675 psp->pr_rssize = 0; 1676 psp->pr_bysize = 0; 1677 psp->pr_byrssize = 0; 1678 psp->pr_argv = 0; 1679 psp->pr_envp = 0; 1680 } 1681} 1682 1683/*ARGSUSED*/ 1684static int 1685prioctl32( 1686 struct vnode *vp, 1687 int cmd, 1688 intptr_t arg, 1689 int flag, 1690 cred_t *cr, 1691 int *rvalp, 1692 caller_context_t *ct) 1693{ 1694 caddr_t cmaddr = (caddr_t)arg; 1695 proc_t *p; 1696 user_t *up; 1697 kthread_t *t; 1698 klwp_t *lwp; 1699 prnode_t *pnp = VTOP(vp); 1700 prcommon_t *pcp; 1701 prnode_t *xpnp = NULL; 1702 int error; 1703 int zdisp; 1704 void *thing = NULL; 1705 size_t thingsize = 0; 1706 1707 /* 1708 * For copyin()/copyout(). 1709 */ 1710 union { 1711 caddr32_t va; 1712 int signo; 1713 int nice; 1714 uint_t lwpid; 1715 int32_t flags; 1716 prstatus32_t prstat; 1717 prrun32_t prrun; 1718 sigset_t smask; 1719 siginfo32_t info; 1720 sysset_t prmask; 1721 prgregset32_t regs; 1722 prfpregset32_t fpregs; 1723 prpsinfo32_t prps; 1724 sigset_t holdmask; 1725 fltset_t fltmask; 1726 prcred_t prcred; 1727 prusage32_t prusage; 1728 prhusage_t prhusage; 1729 ioc_prmap32_t prmap; 1730 auxv32_t auxv[__KERN_NAUXV_IMPL]; 1731 } un32; 1732 1733 /* 1734 * Native objects for internal use. 1735 */ 1736 union { 1737 caddr_t va; 1738 int signo; 1739 int nice; 1740 uint_t lwpid; 1741 long flags; 1742 prstatus_t prstat; 1743 prrun_t prrun; 1744 sigset_t smask; 1745 siginfo_t info; 1746 sysset_t prmask; 1747 prgregset_t regs; 1748 prpsinfo_t prps; 1749 sigset_t holdmask; 1750 fltset_t fltmask; 1751 prcred_t prcred; 1752 prusage_t prusage; 1753 prhusage_t prhusage; 1754 auxv_t auxv[__KERN_NAUXV_IMPL]; 1755 } un; 1756 1757 if (pnp->pr_type == PR_TMPL) 1758 return (prctioctl(pnp, cmd, arg, flag, cr)); 1759 1760 /* 1761 * Support for old /proc interface. 1762 */ 1763 if (pnp->pr_pidfile != NULL) { 1764 ASSERT(pnp->pr_type == PR_PIDDIR); 1765 vp = pnp->pr_pidfile; 1766 pnp = VTOP(vp); 1767 ASSERT(pnp->pr_type == PR_PIDFILE); 1768 } 1769 1770 if (pnp->pr_type != PR_PIDFILE && pnp->pr_type != PR_LWPIDFILE) 1771 return (ENOTTY); 1772 1773 /* 1774 * Fail ioctls which are logically "write" requests unless 1775 * the user has write permission. 1776 */ 1777 if ((flag & FWRITE) == 0 && isprwrioctl(cmd)) 1778 return (EBADF); 1779 1780 /* 1781 * Perform any necessary copyin() operations before 1782 * locking the process. Helps avoid deadlocks and 1783 * improves performance. 1784 * 1785 * Also, detect invalid ioctl codes here to avoid 1786 * locking a process unnnecessarily. 1787 * 1788 * Also, prepare to allocate space that will be needed below, 1789 * case by case. 1790 */ 1791 error = 0; 1792 switch (cmd) { 1793 case PIOCGETPR: 1794 thingsize = sizeof (proc_t); 1795 break; 1796 case PIOCGETU: 1797 thingsize = sizeof (user_t); 1798 break; 1799 case PIOCSTOP: 1800 case PIOCWSTOP: 1801 case PIOCLWPIDS: 1802 case PIOCGTRACE: 1803 case PIOCGENTRY: 1804 case PIOCGEXIT: 1805 case PIOCSRLC: 1806 case PIOCRRLC: 1807 case PIOCSFORK: 1808 case PIOCRFORK: 1809 case PIOCGREG: 1810 case PIOCGFPREG: 1811 case PIOCSTATUS: 1812 case PIOCLSTATUS: 1813 case PIOCPSINFO: 1814 case PIOCMAXSIG: 1815 case PIOCGXREGSIZE: 1816 break; 1817 case PIOCSXREG: /* set extra registers */ 1818 case PIOCGXREG: /* get extra registers */ 1819#if defined(__sparc) 1820 thingsize = sizeof (prxregset_t); 1821#else 1822 thingsize = 0; 1823#endif 1824 break; 1825 case PIOCACTION: 1826 thingsize = (NSIG-1) * sizeof (struct sigaction32); 1827 break; 1828 case PIOCGHOLD: 1829 case PIOCNMAP: 1830 case PIOCMAP: 1831 case PIOCGFAULT: 1832 case PIOCCFAULT: 1833 case PIOCCRED: 1834 case PIOCGROUPS: 1835 case PIOCUSAGE: 1836 case PIOCLUSAGE: 1837 break; 1838 case PIOCOPENPD: 1839 /* 1840 * We will need this below. 1841 * Allocate it now, before locking the process. 1842 */ 1843 xpnp = prgetnode(vp, PR_OPAGEDATA); 1844 break; 1845 case PIOCNAUXV: 1846 case PIOCAUXV: 1847 break; 1848 1849#if defined(__i386) || defined(__i386_COMPAT) 1850 case PIOCNLDT: 1851 case PIOCLDT: 1852 break; 1853#endif /* __i386 || __i386_COMPAT */ 1854 1855#if defined(__sparc) 1856 case PIOCGWIN: 1857 thingsize = sizeof (gwindows32_t); 1858 break; 1859#endif /* __sparc */ 1860 1861 case PIOCOPENM: /* open mapped object for reading */ 1862 if (cmaddr == NULL) 1863 un32.va = NULL; 1864 else if (copyin(cmaddr, &un32.va, sizeof (un32.va))) 1865 error = EFAULT; 1866 break; 1867 1868 case PIOCRUN: /* make lwp or process runnable */ 1869 if (cmaddr == NULL) 1870 un32.prrun.pr_flags = 0; 1871 else if (copyin(cmaddr, &un32.prrun, sizeof (un32.prrun))) 1872 error = EFAULT; 1873 break; 1874 1875 case PIOCOPENLWP: /* return /proc lwp file descriptor */ 1876 if (copyin(cmaddr, &un32.lwpid, sizeof (un32.lwpid))) 1877 error = EFAULT; 1878 break; 1879 1880 case PIOCSTRACE: /* set signal trace mask */ 1881 if (copyin(cmaddr, &un32.smask, sizeof (un32.smask))) 1882 error = EFAULT; 1883 break; 1884 1885 case PIOCSSIG: /* set current signal */ 1886 if (cmaddr == NULL) 1887 un32.info.si_signo = 0; 1888 else if (copyin(cmaddr, &un32.info, sizeof (un32.info))) 1889 error = EFAULT; 1890 break; 1891 1892 case PIOCKILL: /* send signal */ 1893 case PIOCUNKILL: /* delete a signal */ 1894 if (copyin(cmaddr, &un32.signo, sizeof (un32.signo))) 1895 error = EFAULT; 1896 break; 1897 1898 case PIOCNICE: /* set nice priority */ 1899 if (copyin(cmaddr, &un32.nice, sizeof (un32.nice))) 1900 error = EFAULT; 1901 break; 1902 1903 case PIOCSENTRY: /* set syscall entry bit mask */ 1904 case PIOCSEXIT: /* set syscall exit bit mask */ 1905 if (copyin(cmaddr, &un32.prmask, sizeof (un32.prmask))) 1906 error = EFAULT; 1907 break; 1908 1909 case PIOCSET: /* set process flags */ 1910 case PIOCRESET: /* reset process flags */ 1911 if (copyin(cmaddr, &un32.flags, sizeof (un32.flags))) 1912 error = EFAULT; 1913 break; 1914 1915 case PIOCSREG: /* set general registers */ 1916 if (copyin(cmaddr, un32.regs, sizeof (un32.regs))) 1917 error = EFAULT; 1918 break; 1919 1920 case PIOCSFPREG: /* set floating-point registers */ 1921 if (copyin(cmaddr, &un32.fpregs, sizeof (un32.fpregs))) 1922 error = EFAULT; 1923 break; 1924 1925 case PIOCSHOLD: /* set signal-hold mask */ 1926 if (copyin(cmaddr, &un32.holdmask, sizeof (un32.holdmask))) 1927 error = EFAULT; 1928 break; 1929 1930 case PIOCSFAULT: /* set mask of traced faults */ 1931 if (copyin(cmaddr, &un32.fltmask, sizeof (un32.fltmask))) 1932 error = EFAULT; 1933 break; 1934 1935 default: 1936 error = EINVAL; 1937 break; 1938 } 1939 1940 if (error) 1941 return (error); 1942 1943startover: 1944 /* 1945 * If we need kmem_alloc()d space then we allocate it now, before 1946 * grabbing the process lock. Using kmem_alloc(KM_SLEEP) while 1947 * holding the process lock leads to deadlock with the clock thread. 1948 * (The clock thread wakes up the pageout daemon to free up space. 1949 * If the clock thread blocks behind us and we are sleeping waiting 1950 * for space, then space may never become available.) 1951 */ 1952 if (thingsize) { 1953 ASSERT(thing == NULL); 1954 thing = kmem_alloc(thingsize, KM_SLEEP); 1955 } 1956 1957 switch (cmd) { 1958 case PIOCPSINFO: 1959 case PIOCGETPR: 1960 case PIOCUSAGE: 1961 case PIOCLUSAGE: 1962 zdisp = ZYES; 1963 break; 1964 case PIOCSXREG: /* set extra registers */ 1965 /* 1966 * perform copyin before grabbing the process lock 1967 */ 1968 if (thing) { 1969 if (copyin(cmaddr, thing, thingsize)) { 1970 kmem_free(thing, thingsize); 1971 return (EFAULT); 1972 } 1973 } 1974 /* fall through... */ 1975 default: 1976 zdisp = ZNO; 1977 break; 1978 } 1979 1980 if ((error = prlock(pnp, zdisp)) != 0) { 1981 if (thing != NULL) 1982 kmem_free(thing, thingsize); 1983 if (xpnp) 1984 prfreenode(xpnp); 1985 return (error); 1986 } 1987 1988 pcp = pnp->pr_common; 1989 p = pcp->prc_proc; 1990 ASSERT(p != NULL); 1991 1992 /* 1993 * Choose a thread/lwp for the operation. 1994 */ 1995 if (zdisp == ZNO && cmd != PIOCSTOP && cmd != PIOCWSTOP) { 1996 if (pnp->pr_type == PR_LWPIDFILE && cmd != PIOCLSTATUS) { 1997 t = pcp->prc_thread; 1998 ASSERT(t != NULL); 1999 } else { 2000 t = prchoose(p); /* returns locked thread */ 2001 ASSERT(t != NULL); 2002 thread_unlock(t); 2003 } 2004 lwp = ttolwp(t); 2005 } 2006 2007 error = 0; 2008 switch (cmd) { 2009 2010 case PIOCGETPR: /* read struct proc */ 2011 { 2012 proc_t *prp = thing; 2013 2014 *prp = *p; 2015 prunlock(pnp); 2016 if (copyout(prp, cmaddr, sizeof (proc_t))) 2017 error = EFAULT; 2018 kmem_free(prp, sizeof (proc_t)); 2019 thing = NULL; 2020 break; 2021 } 2022 2023 case PIOCGETU: /* read u-area */ 2024 { 2025 user_t *userp = thing; 2026 2027 up = PTOU(p); 2028 *userp = *up; 2029 prunlock(pnp); 2030 if (copyout(userp, cmaddr, sizeof (user_t))) 2031 error = EFAULT; 2032 kmem_free(userp, sizeof (user_t)); 2033 thing = NULL; 2034 break; 2035 } 2036 2037 case PIOCOPENM: /* open mapped object for reading */ 2038 if (PROCESS_NOT_32BIT(p) && cmaddr != NULL) { 2039 prunlock(pnp); 2040 error = EOVERFLOW; 2041 break; 2042 } 2043 error = propenm(pnp, cmaddr, 2044 (caddr_t)(uintptr_t)un32.va, rvalp, cr); 2045 /* propenm() called prunlock(pnp) */ 2046 break; 2047 2048 case PIOCSTOP: /* stop process or lwp from running */ 2049 case PIOCWSTOP: /* wait for process or lwp to stop */ 2050 /* 2051 * Can't apply to a system process. 2052 */ 2053 if ((p->p_flag & SSYS) || p->p_as == &kas) { 2054 prunlock(pnp); 2055 error = EBUSY; 2056 break; 2057 } 2058 2059 if (cmd == PIOCSTOP) 2060 pr_stop(pnp); 2061 2062 /* 2063 * If an lwp is waiting for itself or its process, don't wait. 2064 * The lwp will never see the fact that itself is stopped. 2065 */ 2066 if ((pnp->pr_type == PR_LWPIDFILE)? 2067 (pcp->prc_thread == curthread) : (p == curproc)) { 2068 if (cmd == PIOCWSTOP) 2069 error = EBUSY; 2070 prunlock(pnp); 2071 break; 2072 } 2073 2074 if ((error = pr_wait_stop(pnp, (time_t)0)) != 0) 2075 break; /* pr_wait_stop() unlocked the process */ 2076 2077 if (cmaddr == NULL) 2078 prunlock(pnp); 2079 else if (PROCESS_NOT_32BIT(p)) { 2080 prunlock(pnp); 2081 error = EOVERFLOW; 2082 } else { 2083 /* 2084 * Return process/lwp status information. 2085 */ 2086 t = pr_thread(pnp); /* returns locked thread */ 2087 thread_unlock(t); 2088 oprgetstatus32(t, &un32.prstat, VTOZONE(vp)); 2089 prunlock(pnp); 2090 if (copyout(&un32.prstat, cmaddr, sizeof (un32.prstat))) 2091 error = EFAULT; 2092 } 2093 break; 2094 2095 case PIOCRUN: /* make lwp or process runnable */ 2096 { 2097 long flags = un32.prrun.pr_flags; 2098 2099 /* 2100 * Cannot set an lwp running is it is not stopped. 2101 * Also, no lwp other than the /proc agent lwp can 2102 * be set running so long as the /proc agent lwp exists. 2103 */ 2104 if ((!ISTOPPED(t) && !VSTOPPED(t) && 2105 !(t->t_proc_flag & TP_PRSTOP)) || 2106 (p->p_agenttp != NULL && 2107 (t != p->p_agenttp || pnp->pr_type != PR_LWPIDFILE))) { 2108 prunlock(pnp); 2109 error = EBUSY; 2110 break; 2111 } 2112 2113 if ((flags & PRSVADDR) && PROCESS_NOT_32BIT(p)) { 2114 prunlock(pnp); 2115 error = EOVERFLOW; 2116 break; 2117 } 2118 2119 if (flags & (PRSHOLD|PRSTRACE|PRSFAULT|PRSVADDR)) { 2120 un.prrun.pr_flags = (int)flags; 2121 un.prrun.pr_trace = un32.prrun.pr_trace; 2122 un.prrun.pr_sighold = un32.prrun.pr_sighold; 2123 un.prrun.pr_fault = un32.prrun.pr_fault; 2124 un.prrun.pr_vaddr = 2125 (caddr_t)(uintptr_t)un32.prrun.pr_vaddr; 2126 prsetrun(t, &un.prrun); 2127 } 2128 2129 error = pr_setrun(pnp, prmaprunflags(flags)); 2130 2131 prunlock(pnp); 2132 break; 2133 } 2134 2135 case PIOCLWPIDS: /* get array of lwp identifiers */ 2136 { 2137 int nlwp; 2138 int Nlwp; 2139 id_t *idp; 2140 id_t *Bidp; 2141 2142 Nlwp = nlwp = p->p_lwpcnt; 2143 2144 if (thing && thingsize != (Nlwp+1) * sizeof (id_t)) { 2145 kmem_free(thing, thingsize); 2146 thing = NULL; 2147 } 2148 if (thing == NULL) { 2149 thingsize = (Nlwp+1) * sizeof (id_t); 2150 thing = kmem_alloc(thingsize, KM_NOSLEEP); 2151 } 2152 if (thing == NULL) { 2153 prunlock(pnp); 2154 goto startover; 2155 } 2156 2157 idp = thing; 2158 thing = NULL; 2159 Bidp = idp; 2160 if ((t = p->p_tlist) != NULL) { 2161 do { 2162 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 2163 ASSERT(nlwp > 0); 2164 --nlwp; 2165 *idp++ = t->t_tid; 2166 } while ((t = t->t_forw) != p->p_tlist); 2167 } 2168 *idp = 0; 2169 ASSERT(nlwp == 0); 2170 prunlock(pnp); 2171 if (copyout(Bidp, cmaddr, (Nlwp+1) * sizeof (id_t))) 2172 error = EFAULT; 2173 kmem_free(Bidp, (Nlwp+1) * sizeof (id_t)); 2174 break; 2175 } 2176 2177 case PIOCOPENLWP: /* return /proc lwp file descriptor */ 2178 { 2179 vnode_t *xvp; 2180 int n; 2181 2182 prunlock(pnp); 2183 if ((xvp = prlwpnode(pnp, un32.lwpid)) == NULL) 2184 error = ENOENT; 2185 else if (error = fassign(&xvp, flag & (FREAD|FWRITE), &n)) { 2186 VN_RELE(xvp); 2187 } else 2188 *rvalp = n; 2189 break; 2190 } 2191 2192 case PIOCOPENPD: /* return /proc page data file descriptor */ 2193 { 2194 vnode_t *xvp = PTOV(xpnp); 2195 vnode_t *dp = pnp->pr_parent; 2196 int n; 2197 2198 if (PROCESS_NOT_32BIT(p)) { 2199 prunlock(pnp); 2200 prfreenode(xpnp); 2201 xpnp = NULL; 2202 error = EOVERFLOW; 2203 break; 2204 } 2205 2206 if (pnp->pr_type == PR_LWPIDFILE) { 2207 dp = VTOP(dp)->pr_parent; 2208 dp = VTOP(dp)->pr_parent; 2209 } 2210 ASSERT(VTOP(dp)->pr_type == PR_PIDDIR); 2211 2212 VN_HOLD(dp); 2213 pcp = pnp->pr_pcommon; 2214 xpnp->pr_ino = ptoi(pcp->prc_pid); 2215 xpnp->pr_common = pcp; 2216 xpnp->pr_pcommon = pcp; 2217 xpnp->pr_parent = dp; 2218 2219 xpnp->pr_next = p->p_plist; 2220 p->p_plist = xvp; 2221 2222 prunlock(pnp); 2223 if (error = fassign(&xvp, FREAD, &n)) { 2224 VN_RELE(xvp); 2225 } else 2226 *rvalp = n; 2227 2228 xpnp = NULL; 2229 break; 2230 } 2231 2232 case PIOCGTRACE: /* get signal trace mask */ 2233 prassignset(&un32.smask, &p->p_sigmask); 2234 prunlock(pnp); 2235 if (copyout(&un32.smask, cmaddr, sizeof (un32.smask))) 2236 error = EFAULT; 2237 break; 2238 2239 case PIOCSTRACE: /* set signal trace mask */ 2240 prdelset(&un32.smask, SIGKILL); 2241 prassignset(&p->p_sigmask, &un32.smask); 2242 if (!sigisempty(&p->p_sigmask)) 2243 p->p_proc_flag |= P_PR_TRACE; 2244 else if (prisempty(&p->p_fltmask)) { 2245 up = PTOU(p); 2246 if (up->u_systrap == 0) 2247 p->p_proc_flag &= ~P_PR_TRACE; 2248 } 2249 prunlock(pnp); 2250 break; 2251 2252 case PIOCSSIG: /* set current signal */ 2253 if (un32.info.si_signo != 0 && PROCESS_NOT_32BIT(p)) { 2254 prunlock(pnp); 2255 error = EOVERFLOW; 2256 } else { 2257 bzero(&un.info, sizeof (un.info)); 2258 siginfo_32tok(&un32.info, (k_siginfo_t *)&un.info); 2259 error = pr_setsig(pnp, &un.info); 2260 prunlock(pnp); 2261 if (un32.info.si_signo == SIGKILL && error == 0) 2262 pr_wait_die(pnp); 2263 } 2264 break; 2265 2266 case PIOCKILL: /* send signal */ 2267 error = pr_kill(pnp, un32.signo, cr); 2268 prunlock(pnp); 2269 if (un32.signo == SIGKILL && error == 0) 2270 pr_wait_die(pnp); 2271 break; 2272 2273 case PIOCUNKILL: /* delete a signal */ 2274 error = pr_unkill(pnp, un32.signo); 2275 prunlock(pnp); 2276 break; 2277 2278 case PIOCNICE: /* set nice priority */ 2279 error = pr_nice(p, un32.nice, cr); 2280 prunlock(pnp); 2281 break; 2282 2283 case PIOCGENTRY: /* get syscall entry bit mask */ 2284 case PIOCGEXIT: /* get syscall exit bit mask */ 2285 up = PTOU(p); 2286 if (cmd == PIOCGENTRY) { 2287 prassignset(&un32.prmask, &up->u_entrymask); 2288 } else { 2289 prassignset(&un32.prmask, &up->u_exitmask); 2290 } 2291 prunlock(pnp); 2292 if (copyout(&un32.prmask, cmaddr, sizeof (un32.prmask))) 2293 error = EFAULT; 2294 break; 2295 2296 case PIOCSENTRY: /* set syscall entry bit mask */ 2297 case PIOCSEXIT: /* set syscall exit bit mask */ 2298 pr_setentryexit(p, &un32.prmask, cmd == PIOCSENTRY); 2299 prunlock(pnp); 2300 break; 2301 2302 case PIOCSRLC: /* obsolete: set running on last /proc close */ 2303 error = pr_set(p, prmapsetflags(PR_RLC)); 2304 prunlock(pnp); 2305 break; 2306 2307 case PIOCRRLC: /* obsolete: reset run-on-last-close flag */ 2308 error = pr_unset(p, prmapsetflags(PR_RLC)); 2309 prunlock(pnp); 2310 break; 2311 2312 case PIOCSFORK: /* obsolete: set inherit-on-fork flag */ 2313 error = pr_set(p, prmapsetflags(PR_FORK)); 2314 prunlock(pnp); 2315 break; 2316 2317 case PIOCRFORK: /* obsolete: reset inherit-on-fork flag */ 2318 error = pr_unset(p, prmapsetflags(PR_FORK)); 2319 prunlock(pnp); 2320 break; 2321 2322 case PIOCSET: /* set process flags */ 2323 error = pr_set(p, prmapsetflags((long)un32.flags)); 2324 prunlock(pnp); 2325 break; 2326 2327 case PIOCRESET: /* reset process flags */ 2328 error = pr_unset(p, prmapsetflags((long)un32.flags)); 2329 prunlock(pnp); 2330 break; 2331 2332 case PIOCGREG: /* get general registers */ 2333 if (PROCESS_NOT_32BIT(p)) 2334 error = EOVERFLOW; 2335 else if (t->t_state != TS_STOPPED && !VSTOPPED(t)) 2336 bzero(un32.regs, sizeof (un32.regs)); 2337 else { 2338 /* drop p_lock while touching the lwp's stack */ 2339 mutex_exit(&p->p_lock); 2340 prgetprregs32(lwp, un32.regs); 2341 mutex_enter(&p->p_lock); 2342 } 2343 prunlock(pnp); 2344 if (error == 0 && 2345 copyout(un32.regs, cmaddr, sizeof (un32.regs))) 2346 error = EFAULT; 2347 break; 2348 2349 case PIOCSREG: /* set general registers */ 2350 if (PROCESS_NOT_32BIT(p)) 2351 error = EOVERFLOW; 2352 else if (!ISTOPPED(t) && !VSTOPPED(t) && !DSTOPPED(t)) 2353 error = EBUSY; 2354 else { 2355 /* drop p_lock while touching the lwp's stack */ 2356 mutex_exit(&p->p_lock); 2357 prgregset_32ton(lwp, un32.regs, un.regs); 2358 prsetprregs(lwp, un.regs, 0); 2359 mutex_enter(&p->p_lock); 2360 } 2361 prunlock(pnp); 2362 break; 2363 2364 case PIOCGFPREG: /* get floating-point registers */ 2365 if (!prhasfp()) 2366 error = EINVAL; /* No FP support */ 2367 else if (PROCESS_NOT_32BIT(p)) 2368 error = EOVERFLOW; 2369 else if (t->t_state != TS_STOPPED && !VSTOPPED(t)) 2370 bzero(&un32.fpregs, sizeof (un32.fpregs)); 2371 else { 2372 /* drop p_lock while touching the lwp's stack */ 2373 mutex_exit(&p->p_lock); 2374 prgetprfpregs32(lwp, &un32.fpregs); 2375 mutex_enter(&p->p_lock); 2376 } 2377 prunlock(pnp); 2378 if (error == 0 && 2379 copyout(&un32.fpregs, cmaddr, sizeof (un32.fpregs))) 2380 error = EFAULT; 2381 break; 2382 2383 case PIOCSFPREG: /* set floating-point registers */ 2384 if (!prhasfp()) 2385 error = EINVAL; /* No FP support */ 2386 else if (PROCESS_NOT_32BIT(p)) 2387 error = EOVERFLOW; 2388 else if (!ISTOPPED(t) && !VSTOPPED(t) && !DSTOPPED(t)) 2389 error = EBUSY; 2390 else { 2391 /* drop p_lock while touching the lwp's stack */ 2392 mutex_exit(&p->p_lock); 2393 prsetprfpregs32(lwp, &un32.fpregs); 2394 mutex_enter(&p->p_lock); 2395 } 2396 prunlock(pnp); 2397 break; 2398 2399 case PIOCGXREGSIZE: /* get the size of the extra registers */ 2400 { 2401 int xregsize; 2402 2403 if (prhasx(p)) { 2404 xregsize = prgetprxregsize(p); 2405 prunlock(pnp); 2406 if (copyout(&xregsize, cmaddr, sizeof (xregsize))) 2407 error = EFAULT; 2408 } else { 2409 prunlock(pnp); 2410 error = EINVAL; /* No extra register support */ 2411 } 2412 break; 2413 } 2414 2415 case PIOCGXREG: /* get extra registers */ 2416 if (PROCESS_NOT_32BIT(p)) 2417 error = EOVERFLOW; 2418 else if (!prhasx(p)) 2419 error = EINVAL; /* No extra register support */ 2420 else { 2421 bzero(thing, thingsize); 2422 if (t->t_state == TS_STOPPED || VSTOPPED(t)) { 2423 /* drop p_lock to touch the stack */ 2424 mutex_exit(&p->p_lock); 2425 prgetprxregs(lwp, thing); 2426 mutex_enter(&p->p_lock); 2427 } 2428 } 2429 prunlock(pnp); 2430 if (error == 0 && 2431 copyout(thing, cmaddr, thingsize)) 2432 error = EFAULT; 2433 if (thing) { 2434 kmem_free(thing, thingsize); 2435 thing = NULL; 2436 } 2437 break; 2438 2439 case PIOCSXREG: /* set extra registers */ 2440 if (PROCESS_NOT_32BIT(p)) 2441 error = EOVERFLOW; 2442 else if (!ISTOPPED(t) && !VSTOPPED(t) && !DSTOPPED(t)) 2443 error = EBUSY; 2444 else if (!prhasx(p)) 2445 error = EINVAL; /* No extra register support */ 2446 else if (thing) { 2447 /* drop p_lock while touching the lwp's stack */ 2448 mutex_exit(&p->p_lock); 2449 prsetprxregs(lwp, thing); 2450 mutex_enter(&p->p_lock); 2451 } 2452 prunlock(pnp); 2453 if (thing) { 2454 kmem_free(thing, thingsize); 2455 thing = NULL; 2456 } 2457 break; 2458 2459 case PIOCSTATUS: /* get process/lwp status */ 2460 if (PROCESS_NOT_32BIT(p)) { 2461 prunlock(pnp); 2462 error = EOVERFLOW; 2463 break; 2464 } 2465 oprgetstatus32(t, &un32.prstat, VTOZONE(vp)); 2466 prunlock(pnp); 2467 if (copyout(&un32.prstat, cmaddr, sizeof (un32.prstat))) 2468 error = EFAULT; 2469 break; 2470 2471 case PIOCLSTATUS: /* get status for process & all lwps */ 2472 { 2473 int Nlwp; 2474 int nlwp; 2475 prstatus32_t *Bprsp; 2476 prstatus32_t *prsp; 2477 2478 if (PROCESS_NOT_32BIT(p)) { 2479 prunlock(pnp); 2480 if (thing) { 2481 kmem_free(thing, thingsize); 2482 thing = NULL; 2483 } 2484 error = EOVERFLOW; 2485 break; 2486 } 2487 2488 nlwp = Nlwp = p->p_lwpcnt; 2489 2490 if (thing && thingsize != (Nlwp+1) * sizeof (prstatus32_t)) { 2491 kmem_free(thing, thingsize); 2492 thing = NULL; 2493 } 2494 if (thing == NULL) { 2495 thingsize = (Nlwp+1) * sizeof (prstatus32_t); 2496 thing = kmem_alloc(thingsize, KM_NOSLEEP); 2497 } 2498 if (thing == NULL) { 2499 prunlock(pnp); 2500 goto startover; 2501 } 2502 2503 Bprsp = (prstatus32_t *)thing; 2504 thing = NULL; 2505 prsp = Bprsp; 2506 oprgetstatus32(t, prsp, VTOZONE(vp)); 2507 t = p->p_tlist; 2508 do { 2509 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 2510 ASSERT(nlwp > 0); 2511 --nlwp; 2512 oprgetstatus32(t, ++prsp, VTOZONE(vp)); 2513 } while ((t = t->t_forw) != p->p_tlist); 2514 ASSERT(nlwp == 0); 2515 prunlock(pnp); 2516 if (copyout(Bprsp, cmaddr, (Nlwp+1) * sizeof (prstatus32_t))) 2517 error = EFAULT; 2518 2519 kmem_free(Bprsp, (Nlwp + 1) * sizeof (prstatus32_t)); 2520 break; 2521 } 2522 2523 case PIOCPSINFO: /* get ps(1) information */ 2524 { 2525 prpsinfo32_t *psp = &un32.prps; 2526 2527 oprgetpsinfo32(p, psp, 2528 (pnp->pr_type == PR_LWPIDFILE)? pcp->prc_thread : NULL); 2529 2530 prunlock(pnp); 2531 if (copyout(&un32.prps, cmaddr, sizeof (un32.prps))) 2532 error = EFAULT; 2533 break; 2534 } 2535 2536 case PIOCMAXSIG: /* get maximum signal number */ 2537 { 2538 int n = NSIG-1; 2539 2540 prunlock(pnp); 2541 if (copyout(&n, cmaddr, sizeof (int))) 2542 error = EFAULT; 2543 break; 2544 } 2545 2546 case PIOCACTION: /* get signal action structures */ 2547 { 2548 uint_t sig; 2549 struct sigaction32 *sap = thing; 2550 2551 if (PROCESS_NOT_32BIT(p)) 2552 error = EOVERFLOW; 2553 else { 2554 up = PTOU(p); 2555 for (sig = 1; sig < NSIG; sig++) 2556 prgetaction32(p, up, sig, &sap[sig-1]); 2557 } 2558 prunlock(pnp); 2559 if (error == 0 && 2560 copyout(sap, cmaddr, (NSIG-1)*sizeof (struct sigaction32))) 2561 error = EFAULT; 2562 kmem_free(sap, (NSIG-1)*sizeof (struct sigaction32)); 2563 thing = NULL; 2564 break; 2565 } 2566 2567 case PIOCGHOLD: /* get signal-hold mask */ 2568 schedctl_finish_sigblock(t); 2569 sigktou(&t->t_hold, &un32.holdmask); 2570 prunlock(pnp); 2571 if (copyout(&un32.holdmask, cmaddr, sizeof (un32.holdmask))) 2572 error = EFAULT; 2573 break; 2574 2575 case PIOCSHOLD: /* set signal-hold mask */ 2576 pr_sethold(pnp, &un32.holdmask); 2577 prunlock(pnp); 2578 break; 2579 2580 case PIOCNMAP: /* get number of memory mappings */ 2581 { 2582 int n; 2583 struct as *as = p->p_as; 2584 2585 if ((p->p_flag & SSYS) || as == &kas) 2586 n = 0; 2587 else { 2588 mutex_exit(&p->p_lock); 2589 AS_LOCK_ENTER(as, &as->a_lock, RW_WRITER); 2590 n = prnsegs(as, 0); 2591 AS_LOCK_EXIT(as, &as->a_lock); 2592 mutex_enter(&p->p_lock); 2593 } 2594 prunlock(pnp); 2595 if (copyout(&n, cmaddr, sizeof (int))) 2596 error = EFAULT; 2597 break; 2598 } 2599 2600 case PIOCMAP: /* get memory map information */ 2601 { 2602 list_t iolhead; 2603 struct as *as = p->p_as; 2604 2605 if ((p->p_flag & SSYS) || as == &kas) { 2606 error = 0; 2607 prunlock(pnp); 2608 } else if (PROCESS_NOT_32BIT(p)) { 2609 error = EOVERFLOW; 2610 prunlock(pnp); 2611 } else { 2612 mutex_exit(&p->p_lock); 2613 AS_LOCK_ENTER(as, &as->a_lock, RW_WRITER); 2614 error = oprgetmap32(p, &iolhead); 2615 AS_LOCK_EXIT(as, &as->a_lock); 2616 mutex_enter(&p->p_lock); 2617 prunlock(pnp); 2618 2619 error = pr_iol_copyout_and_free(&iolhead, 2620 &cmaddr, error); 2621 } 2622 /* 2623 * The procfs PIOCMAP ioctl returns an all-zero buffer 2624 * to indicate the end of the prmap[] array. 2625 * Append it to whatever has already been copied out. 2626 */ 2627 bzero(&un32.prmap, sizeof (un32.prmap)); 2628 if (!error && 2629 copyout(&un32.prmap, cmaddr, sizeof (un32.prmap))) 2630 error = EFAULT; 2631 break; 2632 } 2633 2634 case PIOCGFAULT: /* get mask of traced faults */ 2635 prassignset(&un32.fltmask, &p->p_fltmask); 2636 prunlock(pnp); 2637 if (copyout(&un32.fltmask, cmaddr, sizeof (un32.fltmask))) 2638 error = EFAULT; 2639 break; 2640 2641 case PIOCSFAULT: /* set mask of traced faults */ 2642 pr_setfault(p, &un32.fltmask); 2643 prunlock(pnp); 2644 break; 2645 2646 case PIOCCFAULT: /* clear current fault */ 2647 lwp->lwp_curflt = 0; 2648 prunlock(pnp); 2649 break; 2650 2651 case PIOCCRED: /* get process credentials */ 2652 { 2653 cred_t *cp; 2654 2655 mutex_enter(&p->p_crlock); 2656 cp = p->p_cred; 2657 un32.prcred.pr_euid = crgetuid(cp); 2658 un32.prcred.pr_ruid = crgetruid(cp); 2659 un32.prcred.pr_suid = crgetsuid(cp); 2660 un32.prcred.pr_egid = crgetgid(cp); 2661 un32.prcred.pr_rgid = crgetrgid(cp); 2662 un32.prcred.pr_sgid = crgetsgid(cp); 2663 un32.prcred.pr_ngroups = crgetngroups(cp); 2664 mutex_exit(&p->p_crlock); 2665 2666 prunlock(pnp); 2667 if (copyout(&un32.prcred, cmaddr, sizeof (un32.prcred))) 2668 error = EFAULT; 2669 break; 2670 } 2671 2672 case PIOCGROUPS: /* get supplementary groups */ 2673 { 2674 cred_t *cp; 2675 2676 mutex_enter(&p->p_crlock); 2677 cp = p->p_cred; 2678 crhold(cp); 2679 mutex_exit(&p->p_crlock); 2680 2681 prunlock(pnp); 2682 if (copyout(crgetgroups(cp), cmaddr, 2683 MAX(crgetngroups(cp), 1) * sizeof (gid_t))) 2684 error = EFAULT; 2685 crfree(cp); 2686 break; 2687 } 2688 2689 case PIOCUSAGE: /* get usage info */ 2690 { 2691 /* 2692 * For an lwp file descriptor, return just the lwp usage. 2693 * For a process file descriptor, return total usage, 2694 * all current lwps plus all defunct lwps. 2695 */ 2696 prhusage_t *pup = &un32.prhusage; 2697 prusage32_t *upup; 2698 2699 bzero(pup, sizeof (*pup)); 2700 pup->pr_tstamp = gethrtime(); 2701 2702 if (pnp->pr_type == PR_LWPIDFILE) { 2703 t = pcp->prc_thread; 2704 if (t != NULL) 2705 prgetusage(t, pup); 2706 else 2707 error = ENOENT; 2708 } else { 2709 pup->pr_count = p->p_defunct; 2710 pup->pr_create = p->p_mstart; 2711 pup->pr_term = p->p_mterm; 2712 2713 pup->pr_rtime = p->p_mlreal; 2714 pup->pr_utime = p->p_acct[LMS_USER]; 2715 pup->pr_stime = p->p_acct[LMS_SYSTEM]; 2716 pup->pr_ttime = p->p_acct[LMS_TRAP]; 2717 pup->pr_tftime = p->p_acct[LMS_TFAULT]; 2718 pup->pr_dftime = p->p_acct[LMS_DFAULT]; 2719 pup->pr_kftime = p->p_acct[LMS_KFAULT]; 2720 pup->pr_ltime = p->p_acct[LMS_USER_LOCK]; 2721 pup->pr_slptime = p->p_acct[LMS_SLEEP]; 2722 pup->pr_wtime = p->p_acct[LMS_WAIT_CPU]; 2723 pup->pr_stoptime = p->p_acct[LMS_STOPPED]; 2724 2725 pup->pr_minf = p->p_ru.minflt; 2726 pup->pr_majf = p->p_ru.majflt; 2727 pup->pr_nswap = p->p_ru.nswap; 2728 pup->pr_inblk = p->p_ru.inblock; 2729 pup->pr_oublk = p->p_ru.oublock; 2730 pup->pr_msnd = p->p_ru.msgsnd; 2731 pup->pr_mrcv = p->p_ru.msgrcv; 2732 pup->pr_sigs = p->p_ru.nsignals; 2733 pup->pr_vctx = p->p_ru.nvcsw; 2734 pup->pr_ictx = p->p_ru.nivcsw; 2735 pup->pr_sysc = p->p_ru.sysc; 2736 pup->pr_ioch = p->p_ru.ioch; 2737 2738 /* 2739 * Add the usage information for each active lwp. 2740 */ 2741 if ((t = p->p_tlist) != NULL && 2742 !(pcp->prc_flags & PRC_DESTROY)) { 2743 do { 2744 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 2745 pup->pr_count++; 2746 praddusage(t, pup); 2747 } while ((t = t->t_forw) != p->p_tlist); 2748 } 2749 } 2750 2751 prunlock(pnp); 2752 2753 upup = kmem_alloc(sizeof (*upup), KM_SLEEP); 2754 prcvtusage32(pup, upup); 2755 if (copyout(upup, cmaddr, sizeof (*upup))) 2756 error = EFAULT; 2757 kmem_free(upup, sizeof (*upup)); 2758 2759 break; 2760 } 2761 2762 case PIOCLUSAGE: /* get detailed usage info */ 2763 { 2764 int Nlwp; 2765 int nlwp; 2766 prusage32_t *upup; 2767 prusage32_t *Bupup; 2768 prhusage_t *pup; 2769 hrtime_t curtime; 2770 2771 nlwp = Nlwp = (pcp->prc_flags & PRC_DESTROY)? 0 : p->p_lwpcnt; 2772 2773 if (thing && thingsize != 2774 sizeof (prhusage_t) + (Nlwp+1) * sizeof (prusage32_t)) { 2775 kmem_free(thing, thingsize); 2776 thing = NULL; 2777 } 2778 if (thing == NULL) { 2779 thingsize = sizeof (prhusage_t) + 2780 (Nlwp+1) * sizeof (prusage32_t); 2781 thing = kmem_alloc(thingsize, KM_NOSLEEP); 2782 } 2783 if (thing == NULL) { 2784 prunlock(pnp); 2785 goto startover; 2786 } 2787 2788 pup = (prhusage_t *)thing; 2789 upup = Bupup = (prusage32_t *)(pup + 1); 2790 2791 ASSERT(p == pcp->prc_proc); 2792 2793 curtime = gethrtime(); 2794 2795 /* 2796 * First the summation over defunct lwps. 2797 */ 2798 bzero(pup, sizeof (*pup)); 2799 pup->pr_count = p->p_defunct; 2800 pup->pr_tstamp = curtime; 2801 pup->pr_create = p->p_mstart; 2802 pup->pr_term = p->p_mterm; 2803 2804 pup->pr_rtime = p->p_mlreal; 2805 pup->pr_utime = p->p_acct[LMS_USER]; 2806 pup->pr_stime = p->p_acct[LMS_SYSTEM]; 2807 pup->pr_ttime = p->p_acct[LMS_TRAP]; 2808 pup->pr_tftime = p->p_acct[LMS_TFAULT]; 2809 pup->pr_dftime = p->p_acct[LMS_DFAULT]; 2810 pup->pr_kftime = p->p_acct[LMS_KFAULT]; 2811 pup->pr_ltime = p->p_acct[LMS_USER_LOCK]; 2812 pup->pr_slptime = p->p_acct[LMS_SLEEP]; 2813 pup->pr_wtime = p->p_acct[LMS_WAIT_CPU]; 2814 pup->pr_stoptime = p->p_acct[LMS_STOPPED]; 2815 2816 pup->pr_minf = p->p_ru.minflt; 2817 pup->pr_majf = p->p_ru.majflt; 2818 pup->pr_nswap = p->p_ru.nswap; 2819 pup->pr_inblk = p->p_ru.inblock; 2820 pup->pr_oublk = p->p_ru.oublock; 2821 pup->pr_msnd = p->p_ru.msgsnd; 2822 pup->pr_mrcv = p->p_ru.msgrcv; 2823 pup->pr_sigs = p->p_ru.nsignals; 2824 pup->pr_vctx = p->p_ru.nvcsw; 2825 pup->pr_ictx = p->p_ru.nivcsw; 2826 pup->pr_sysc = p->p_ru.sysc; 2827 pup->pr_ioch = p->p_ru.ioch; 2828 2829 prcvtusage32(pup, upup); 2830 2831 /* 2832 * Fill one prusage struct for each active lwp. 2833 */ 2834 if ((t = p->p_tlist) != NULL && 2835 !(pcp->prc_flags & PRC_DESTROY)) { 2836 do { 2837 ASSERT(!(t->t_proc_flag & TP_LWPEXIT)); 2838 ASSERT(nlwp > 0); 2839 --nlwp; 2840 upup++; 2841 prgetusage(t, pup); 2842 prcvtusage32(pup, upup); 2843 } while ((t = t->t_forw) != p->p_tlist); 2844 } 2845 ASSERT(nlwp == 0); 2846 2847 prunlock(pnp); 2848 if (copyout(Bupup, cmaddr, (Nlwp+1) * sizeof (prusage32_t))) 2849 error = EFAULT; 2850 kmem_free(thing, thingsize); 2851 thing = NULL; 2852 break; 2853 } 2854 2855 case PIOCNAUXV: /* get number of aux vector entries */ 2856 { 2857 int n = __KERN_NAUXV_IMPL; 2858 2859 prunlock(pnp); 2860 if (copyout(&n, cmaddr, sizeof (int))) 2861 error = EFAULT; 2862 break; 2863 } 2864 2865 case PIOCAUXV: /* get aux vector (see sys/auxv.h) */ 2866 { 2867 int i; 2868 2869 if (PROCESS_NOT_32BIT(p)) { 2870 prunlock(pnp); 2871 error = EOVERFLOW; 2872 } else { 2873 up = PTOU(p); 2874 for (i = 0; i < __KERN_NAUXV_IMPL; i++) { 2875 un32.auxv[i].a_type = up->u_auxv[i].a_type; 2876 un32.auxv[i].a_un.a_val = 2877 (int32_t)up->u_auxv[i].a_un.a_val; 2878 } 2879 prunlock(pnp); 2880 if (copyout(un32.auxv, cmaddr, 2881 __KERN_NAUXV_IMPL * sizeof (auxv32_t))) 2882 error = EFAULT; 2883 } 2884 break; 2885 } 2886 2887#if defined(__i386) || defined(__i386_COMPAT) 2888 case PIOCNLDT: /* get number of LDT entries */ 2889 { 2890 int n; 2891 2892 mutex_exit(&p->p_lock); 2893 mutex_enter(&p->p_ldtlock); 2894 n = prnldt(p); 2895 mutex_exit(&p->p_ldtlock); 2896 mutex_enter(&p->p_lock); 2897 prunlock(pnp); 2898 if (copyout(&n, cmaddr, sizeof (n))) 2899 error = EFAULT; 2900 break; 2901 } 2902 2903 case PIOCLDT: /* get LDT entries */ 2904 { 2905 struct ssd *ssd; 2906 int n; 2907 2908 mutex_exit(&p->p_lock); 2909 mutex_enter(&p->p_ldtlock); 2910 n = prnldt(p); 2911 2912 if (thing && thingsize != (n+1) * sizeof (*ssd)) { 2913 kmem_free(thing, thingsize); 2914 thing = NULL; 2915 } 2916 if (thing == NULL) { 2917 thingsize = (n+1) * sizeof (*ssd); 2918 thing = kmem_alloc(thingsize, KM_NOSLEEP); 2919 } 2920 if (thing == NULL) { 2921 mutex_exit(&p->p_ldtlock); 2922 mutex_enter(&p->p_lock); 2923 prunlock(pnp); 2924 goto startover; 2925 } 2926 2927 ssd = thing; 2928 thing = NULL; 2929 if (n != 0) 2930 prgetldt(p, ssd); 2931 mutex_exit(&p->p_ldtlock); 2932 mutex_enter(&p->p_lock); 2933 prunlock(pnp); 2934 2935 /* mark the end of the list with a null entry */ 2936 bzero(&ssd[n], sizeof (*ssd)); 2937 if (copyout(ssd, cmaddr, (n+1) * sizeof (*ssd))) 2938 error = EFAULT; 2939 kmem_free(ssd, (n+1) * sizeof (*ssd)); 2940 break; 2941 } 2942#endif /* __i386 || __i386_COMPAT */ 2943 2944#if defined(__sparc) 2945 case PIOCGWIN: /* get gwindows_t (see sys/reg.h) */ 2946 { 2947 gwindows32_t *gwp = thing; 2948 2949 if (PROCESS_NOT_32BIT(p)) { 2950 prunlock(pnp); 2951 error = EOVERFLOW; 2952 } else { 2953 /* drop p->p_lock while touching the stack */ 2954 mutex_exit(&p->p_lock); 2955 bzero(gwp, sizeof (*gwp)); 2956 prgetwindows32(lwp, gwp); 2957 mutex_enter(&p->p_lock); 2958 prunlock(pnp); 2959 if (copyout(gwp, cmaddr, sizeof (*gwp))) 2960 error = EFAULT; 2961 } 2962 kmem_free(gwp, sizeof (*gwp)); 2963 thing = NULL; 2964 break; 2965 } 2966#endif /* __sparc */ 2967 2968 default: 2969 prunlock(pnp); 2970 error = EINVAL; 2971 break; 2972 2973 } 2974 2975 ASSERT(thing == NULL); 2976 ASSERT(xpnp == NULL); 2977 return (error); 2978} 2979#endif /* _SYSCALL32_IMPL */ 2980 2981/* 2982 * Distinguish "writeable" ioctl requests from others. 2983 */ 2984static int 2985isprwrioctl(int cmd) 2986{ 2987 switch (cmd) { 2988 case PIOCSTOP: 2989 case PIOCRUN: 2990 case PIOCSTRACE: 2991 case PIOCSSIG: 2992 case PIOCKILL: 2993 case PIOCUNKILL: 2994 case PIOCNICE: 2995 case PIOCSENTRY: 2996 case PIOCSEXIT: 2997 case PIOCSRLC: 2998 case PIOCRRLC: 2999 case PIOCSREG: 3000 case PIOCSFPREG: 3001 case PIOCSXREG: 3002 case PIOCSHOLD: 3003 case PIOCSFAULT: 3004 case PIOCCFAULT: 3005 case PIOCSFORK: 3006 case PIOCRFORK: 3007 case PIOCSET: 3008 case PIOCRESET: 3009 return (1); 3010 } 3011 return (0); 3012} 3013 3014/* 3015 * Map the ioctl() interface run flags to the new interface run flags. 3016 */ 3017static ulong_t 3018prmaprunflags(long flags) 3019{ 3020 ulong_t newflags = 0; 3021 3022 if (flags & PRCSIG) 3023 newflags |= 0x01; 3024 if (flags & PRCFAULT) 3025 newflags |= 0x02; 3026 if (flags & PRSTEP) 3027 newflags |= 0x04; 3028 if (flags & PRSABORT) 3029 newflags |= 0x08; 3030 if (flags & PRSTOP) 3031 newflags |= 0x10; 3032 return (newflags); 3033} 3034 3035/* 3036 * Map the ioctl() interface settable mode flags to the new interface flags. 3037 */ 3038static long 3039prmapsetflags(long flags) 3040{ 3041 long newflags = 0; 3042 3043#define ALLFLAGS \ 3044 (PR_FORK|PR_RLC|PR_KLC|PR_ASYNC|PR_BPTADJ|PR_MSACCT|PR_PCOMPAT) 3045 3046 if (flags & ~ALLFLAGS) 3047 newflags = 0xffff; /* forces EINVAL */ 3048 if (flags & PR_FORK) 3049 newflags |= (0x00100000 | 0x08000000); 3050 if (flags & PR_RLC) 3051 newflags |= 0x00200000; 3052 if (flags & PR_KLC) 3053 newflags |= 0x00400000; 3054 if (flags & PR_ASYNC) 3055 newflags |= 0x00800000; 3056 if (flags & PR_MSACCT) 3057 newflags |= 0x01000000; 3058 if (flags & PR_BPTADJ) 3059 newflags |= 0x02000000; 3060 if (flags & PR_PCOMPAT) 3061 newflags |= 0x04000000; 3062 return (newflags); 3063} 3064 3065/* 3066 * Apply PIOCRUN options specific to the ioctl() interface. 3067 */ 3068static void 3069prsetrun(kthread_t *t, prrun_t *prp) 3070{ 3071 proc_t *p = ttoproc(t); 3072 klwp_t *lwp = ttolwp(t); 3073 long flags = prp->pr_flags; 3074 user_t *up = PTOU(p); 3075 3076 ASSERT(MUTEX_HELD(&p->p_lock)); 3077 3078 if (flags & PRSHOLD) { 3079 schedctl_finish_sigblock(t); 3080 sigutok(&prp->pr_sighold, &t->t_hold); 3081 t->t_sig_check = 1; /* so ISSIG will be done */ 3082 } 3083 if (flags & PRSTRACE) { 3084 prdelset(&prp->pr_trace, SIGKILL); 3085 prassignset(&p->p_sigmask, &prp->pr_trace); 3086 if (!sigisempty(&p->p_sigmask)) 3087 p->p_proc_flag |= P_PR_TRACE; 3088 else if (prisempty(&p->p_fltmask)) { 3089 if (up->u_systrap == 0) 3090 p->p_proc_flag &= ~P_PR_TRACE; 3091 } 3092 } 3093 if (flags & PRSFAULT) { 3094 prassignset(&p->p_fltmask, &prp->pr_fault); 3095 if (!prisempty(&p->p_fltmask)) 3096 p->p_proc_flag |= P_PR_TRACE; 3097 else if (sigisempty(&p->p_sigmask)) { 3098 if (up->u_systrap == 0) 3099 p->p_proc_flag &= ~P_PR_TRACE; 3100 } 3101 } 3102 /* 3103 * prsvaddr() must be called before prstep() because 3104 * stepping can depend on the current value of the PC. 3105 * We drop p_lock while touching the lwp's registers (on stack). 3106 */ 3107 if (flags & PRSVADDR) { 3108 mutex_exit(&p->p_lock); 3109 prsvaddr(lwp, prp->pr_vaddr); 3110 mutex_enter(&p->p_lock); 3111 } 3112} 3113 3114/* 3115 * Common code for PIOCOPENM 3116 * Returns with the process unlocked. 3117 */ 3118static int 3119propenm(prnode_t *pnp, caddr_t cmaddr, caddr_t va, int *rvalp, cred_t *cr) 3120{ 3121 proc_t *p = pnp->pr_common->prc_proc; 3122 struct as *as = p->p_as; 3123 int error = 0; 3124 struct seg *seg; 3125 struct vnode *xvp; 3126 int n; 3127 3128 /* 3129 * By fiat, a system process has no address space. 3130 */ 3131 if ((p->p_flag & SSYS) || as == &kas) { 3132 error = EINVAL; 3133 } else if (cmaddr) { 3134 /* 3135 * We drop p_lock before grabbing the address 3136 * space lock in order to avoid a deadlock with 3137 * the clock thread. The process will not 3138 * disappear and its address space will not 3139 * change because it is marked P_PR_LOCK. 3140 */ 3141 mutex_exit(&p->p_lock); 3142 AS_LOCK_ENTER(as, &as->a_lock, RW_READER); 3143 seg = as_segat(as, va); 3144 if (seg != NULL && 3145 seg->s_ops == &segvn_ops && 3146 SEGOP_GETVP(seg, va, &xvp) == 0 && 3147 xvp != NULL && 3148 xvp->v_type == VREG) { 3149 VN_HOLD(xvp); 3150 } else { 3151 error = EINVAL; 3152 } 3153 AS_LOCK_EXIT(as, &as->a_lock); 3154 mutex_enter(&p->p_lock); 3155 } else if ((xvp = p->p_exec) == NULL) { 3156 error = EINVAL; 3157 } else { 3158 VN_HOLD(xvp); 3159 } 3160 3161 prunlock(pnp); 3162 3163 if (error == 0) { 3164 if ((error = VOP_ACCESS(xvp, VREAD, 0, cr, NULL)) == 0) 3165 error = fassign(&xvp, FREAD, &n); 3166 if (error) { 3167 VN_RELE(xvp); 3168 } else { 3169 *rvalp = n; 3170 } 3171 } 3172 3173 return (error); 3174} 3175 3176/* 3177 * Return old version of process/lwp status. 3178 * The u-block is mapped in by this routine and unmapped at the end. 3179 */ 3180void 3181oprgetstatus(kthread_t *t, prstatus_t *sp, zone_t *zp) 3182{ 3183 proc_t *p = ttoproc(t); 3184 klwp_t *lwp = ttolwp(t); 3185 int flags; 3186 user_t *up; 3187 ulong_t instr; 3188 3189 ASSERT(MUTEX_HELD(&p->p_lock)); 3190 3191 up = PTOU(p); 3192 bzero(sp, sizeof (*sp)); 3193 flags = 0; 3194 if (t->t_state == TS_STOPPED) { 3195 flags |= PR_STOPPED; 3196 if ((t->t_schedflag & TS_PSTART) == 0) 3197 flags |= PR_ISTOP; 3198 } else if (VSTOPPED(t)) { 3199 flags |= PR_STOPPED|PR_ISTOP; 3200 } 3201 if (!(flags & PR_ISTOP) && (t->t_proc_flag & TP_PRSTOP)) 3202 flags |= PR_DSTOP; 3203 if (lwp->lwp_asleep) 3204 flags |= PR_ASLEEP; 3205 if (p->p_proc_flag & P_PR_FORK) 3206 flags |= PR_FORK; 3207 if (p->p_proc_flag & P_PR_RUNLCL) 3208 flags |= PR_RLC; 3209 if (p->p_proc_flag & P_PR_KILLCL) 3210 flags |= PR_KLC; 3211 if (p->p_proc_flag & P_PR_ASYNC) 3212 flags |= PR_ASYNC; 3213 if (p->p_proc_flag & P_PR_BPTADJ) 3214 flags |= PR_BPTADJ; 3215 if (p->p_proc_flag & P_PR_PTRACE) 3216 flags |= PR_PCOMPAT; 3217 if (t->t_proc_flag & TP_MSACCT) 3218 flags |= PR_MSACCT; 3219 sp->pr_flags = flags; 3220 if (VSTOPPED(t)) { 3221 sp->pr_why = PR_REQUESTED; 3222 sp->pr_what = 0; 3223 } else { 3224 sp->pr_why = t->t_whystop; 3225 sp->pr_what = t->t_whatstop; 3226 } 3227 3228 if (t->t_whystop == PR_FAULTED) 3229 bcopy(&lwp->lwp_siginfo, 3230 &sp->pr_info, sizeof (k_siginfo_t)); 3231 else if (lwp->lwp_curinfo) 3232 bcopy(&lwp->lwp_curinfo->sq_info, 3233 &sp->pr_info, sizeof (k_siginfo_t)); 3234 3235 if (SI_FROMUSER(&lwp->lwp_siginfo) && zp->zone_id != GLOBAL_ZONEID && 3236 sp->pr_info.si_zoneid != zp->zone_id) { 3237 sp->pr_info.si_pid = zp->zone_zsched->p_pid; 3238 sp->pr_info.si_uid = 0; 3239 sp->pr_info.si_ctid = -1; 3240 sp->pr_info.si_zoneid = zp->zone_id; 3241 } 3242 3243 sp->pr_cursig = lwp->lwp_cursig; 3244 prassignset(&sp->pr_sigpend, &p->p_sig); 3245 prassignset(&sp->pr_lwppend, &t->t_sig); 3246 schedctl_finish_sigblock(t); 3247 prassignset(&sp->pr_sighold, &t->t_hold); 3248 sp->pr_altstack = lwp->lwp_sigaltstack; 3249 prgetaction(p, up, lwp->lwp_cursig, &sp->pr_action); 3250 sp->pr_pid = p->p_pid; 3251 if (curproc->p_zone->zone_id != GLOBAL_ZONEID && 3252 (p->p_flag & SZONETOP)) { 3253 ASSERT(p->p_zone->zone_id != GLOBAL_ZONEID); 3254 /* 3255 * Inside local zones, fake zsched's pid as parent pids for 3256 * processes which reference processes outside of the zone. 3257 */ 3258 sp->pr_ppid = curproc->p_zone->zone_zsched->p_pid; 3259 } else { 3260 sp->pr_ppid = p->p_ppid; 3261 } 3262 sp->pr_pgrp = p->p_pgrp; 3263 sp->pr_sid = p->p_sessp->s_sid; 3264 hrt2ts(mstate_aggr_state(p, LMS_USER), &sp->pr_utime); 3265 hrt2ts(mstate_aggr_state(p, LMS_SYSTEM), &sp->pr_stime); 3266 TICK_TO_TIMESTRUC(p->p_cutime, &sp->pr_cutime); 3267 TICK_TO_TIMESTRUC(p->p_cstime, &sp->pr_cstime); 3268 (void) strncpy(sp->pr_clname, sclass[t->t_cid].cl_name, 3269 sizeof (sp->pr_clname) - 1); 3270 sp->pr_who = t->t_tid; 3271 sp->pr_nlwp = p->p_lwpcnt; 3272 sp->pr_brkbase = p->p_brkbase; 3273 sp->pr_brksize = p->p_brksize; 3274 sp->pr_stkbase = prgetstackbase(p); 3275 sp->pr_stksize = p->p_stksize; 3276 sp->pr_oldcontext = (struct ucontext *)lwp->lwp_oldcontext; 3277 sp->pr_processor = t->t_cpu->cpu_id; 3278 sp->pr_bind = t->t_bind_cpu; 3279 3280 /* 3281 * Fetch the current instruction, if not a system process. 3282 * We don't attempt this unless the lwp is stopped. 3283 */ 3284 if ((p->p_flag & SSYS) || p->p_as == &kas) 3285 sp->pr_flags |= (PR_ISSYS|PR_PCINVAL); 3286 else if (!(flags & PR_STOPPED)) 3287 sp->pr_flags |= PR_PCINVAL; 3288 else if (!prfetchinstr(lwp, &instr)) 3289 sp->pr_flags |= PR_PCINVAL; 3290 else 3291 sp->pr_instr = instr; 3292 3293 /* 3294 * Drop p_lock while touching the lwp's stack. 3295 */ 3296 mutex_exit(&p->p_lock); 3297 if (prisstep(lwp)) 3298 sp->pr_flags |= PR_STEP; 3299 if ((flags & (PR_STOPPED|PR_ASLEEP)) && t->t_sysnum) { 3300 int i; 3301 auxv_t *auxp; 3302 3303 sp->pr_syscall = get_syscall_args(lwp, 3304 (long *)sp->pr_sysarg, &i); 3305 sp->pr_nsysarg = (short)i; 3306 if (t->t_whystop == PR_SYSEXIT && 3307 (t->t_sysnum == SYS_exec || t->t_sysnum == SYS_execve)) { 3308 sp->pr_sysarg[0] = 0; 3309 sp->pr_sysarg[1] = (uintptr_t)up->u_argv; 3310 sp->pr_sysarg[2] = (uintptr_t)up->u_envp; 3311 for (i = 0, auxp = up->u_auxv; 3312 i < sizeof (up->u_auxv) / sizeof (up->u_auxv[0]); 3313 i++, auxp++) { 3314 if (auxp->a_type == AT_SUN_EXECNAME) { 3315 sp->pr_sysarg[0] = 3316 (uintptr_t)auxp->a_un.a_ptr; 3317 break; 3318 } 3319 } 3320 } 3321 } 3322 if ((flags & PR_STOPPED) || t == curthread) 3323 prgetprregs(lwp, sp->pr_reg); 3324 mutex_enter(&p->p_lock); 3325} 3326 3327/* 3328 * Return old version of information used by ps(1). 3329 */ 3330void 3331oprgetpsinfo(proc_t *p, prpsinfo_t *psp, kthread_t *tp) 3332{ 3333 kthread_t *t; 3334 char c, state; 3335 user_t *up; 3336 dev_t d; 3337 uint64_t pct; 3338 int retval, niceval; 3339 cred_t *cred; 3340 struct as *as; 3341 hrtime_t hrutime, hrstime, cur_time; 3342 3343 ASSERT(MUTEX_HELD(&p->p_lock)); 3344 3345 bzero(psp, sizeof (*psp)); 3346 3347 if ((t = tp) == NULL) 3348 t = prchoose(p); /* returns locked thread */ 3349 else 3350 thread_lock(t); 3351 3352 /* kludge: map thread state enum into process state enum */ 3353 3354 if (t == NULL) { 3355 state = TS_ZOMB; 3356 } else { 3357 state = VSTOPPED(t) ? TS_STOPPED : t->t_state; 3358 thread_unlock(t); 3359 } 3360 3361 switch (state) { 3362 case TS_SLEEP: state = SSLEEP; break; 3363 case TS_RUN: state = SRUN; break; 3364 case TS_ONPROC: state = SONPROC; break; 3365 case TS_ZOMB: state = SZOMB; break; 3366 case TS_STOPPED: state = SSTOP; break; 3367 default: state = 0; break; 3368 } 3369 switch (state) { 3370 case SSLEEP: c = 'S'; break; 3371 case SRUN: c = 'R'; break; 3372 case SZOMB: c = 'Z'; break; 3373 case SSTOP: c = 'T'; break; 3374 case SIDL: c = 'I'; break; 3375 case SONPROC: c = 'O'; break; 3376#ifdef SXBRK 3377 case SXBRK: c = 'X'; break; 3378#endif 3379 default: c = '?'; break; 3380 } 3381 psp->pr_state = state; 3382 psp->pr_sname = c; 3383 psp->pr_zomb = (state == SZOMB); 3384 /* 3385 * only export SSYS and SMSACCT; everything else is off-limits to 3386 * userland apps. 3387 */ 3388 psp->pr_flag = p->p_flag & (SSYS | SMSACCT); 3389 3390 mutex_enter(&p->p_crlock); 3391 cred = p->p_cred; 3392 psp->pr_uid = crgetruid(cred); 3393 psp->pr_gid = crgetrgid(cred); 3394 psp->pr_euid = crgetuid(cred); 3395 psp->pr_egid = crgetgid(cred); 3396 mutex_exit(&p->p_crlock); 3397 3398 psp->pr_pid = p->p_pid; 3399 if (curproc->p_zone->zone_id != GLOBAL_ZONEID && 3400 (p->p_flag & SZONETOP)) { 3401 ASSERT(p->p_zone->zone_id != GLOBAL_ZONEID); 3402 /* 3403 * Inside local zones, fake zsched's pid as parent pids for 3404 * processes which reference processes outside of the zone. 3405 */ 3406 psp->pr_ppid = curproc->p_zone->zone_zsched->p_pid; 3407 } else { 3408 psp->pr_ppid = p->p_ppid; 3409 } 3410 psp->pr_pgrp = p->p_pgrp; 3411 psp->pr_sid = p->p_sessp->s_sid; 3412 psp->pr_addr = prgetpsaddr(p); 3413 hrutime = mstate_aggr_state(p, LMS_USER); 3414 hrstime = mstate_aggr_state(p, LMS_SYSTEM); 3415 hrt2ts(hrutime + hrstime, &psp->pr_time); 3416 TICK_TO_TIMESTRUC(p->p_cutime + p->p_cstime, &psp->pr_ctime); 3417 switch (p->p_model) { 3418 case DATAMODEL_ILP32: 3419 psp->pr_dmodel = PR_MODEL_ILP32; 3420 break; 3421 case DATAMODEL_LP64: 3422 psp->pr_dmodel = PR_MODEL_LP64; 3423 break; 3424 } 3425 if (state == SZOMB || t == NULL) { 3426 int wcode = p->p_wcode; /* must be atomic read */ 3427 3428 if (wcode) 3429 psp->pr_wstat = wstat(wcode, p->p_wdata); 3430 psp->pr_lttydev = PRNODEV; 3431 psp->pr_ottydev = (o_dev_t)PRNODEV; 3432 psp->pr_size = 0; 3433 psp->pr_rssize = 0; 3434 psp->pr_pctmem = 0; 3435 } else { 3436 up = PTOU(p); 3437 psp->pr_wchan = t->t_wchan; 3438 psp->pr_pri = t->t_pri; 3439 (void) strncpy(psp->pr_clname, sclass[t->t_cid].cl_name, 3440 sizeof (psp->pr_clname) - 1); 3441 retval = CL_DONICE(t, NULL, 0, &niceval); 3442 if (retval == 0) { 3443 psp->pr_oldpri = v.v_maxsyspri - psp->pr_pri; 3444 psp->pr_nice = niceval + NZERO; 3445 } else { 3446 psp->pr_oldpri = 0; 3447 psp->pr_nice = 0; 3448 } 3449 d = cttydev(p); 3450#ifdef sun 3451 { 3452 extern dev_t rwsconsdev, rconsdev, uconsdev; 3453 /* 3454 * If the controlling terminal is the real 3455 * or workstation console device, map to what the 3456 * user thinks is the console device. Handle case when 3457 * rwsconsdev or rconsdev is set to NODEV for Starfire. 3458 */ 3459 if ((d == rwsconsdev || d == rconsdev) && d != NODEV) 3460 d = uconsdev; 3461 } 3462#endif 3463 psp->pr_lttydev = (d == NODEV) ? PRNODEV : d; 3464 psp->pr_ottydev = cmpdev(d); 3465 psp->pr_start = up->u_start; 3466 bcopy(up->u_comm, psp->pr_fname, 3467 MIN(sizeof (up->u_comm), sizeof (psp->pr_fname)-1)); 3468 bcopy(up->u_psargs, psp->pr_psargs, 3469 MIN(PRARGSZ-1, PSARGSZ)); 3470 psp->pr_syscall = t->t_sysnum; 3471 psp->pr_argc = up->u_argc; 3472 psp->pr_argv = (char **)up->u_argv; 3473 psp->pr_envp = (char **)up->u_envp; 3474 3475 /* compute %cpu for the lwp or process */ 3476 pct = 0; 3477 if ((t = tp) == NULL) 3478 t = p->p_tlist; 3479 cur_time = gethrtime_unscaled(); 3480 do { 3481 pct += cpu_update_pct(t, cur_time); 3482 if (tp != NULL) /* just do the one lwp */ 3483 break; 3484 } while ((t = t->t_forw) != p->p_tlist); 3485 3486 psp->pr_pctcpu = prgetpctcpu(pct); 3487 psp->pr_cpu = (psp->pr_pctcpu*100 + 0x6000) >> 15; /* [0..99] */ 3488 if (psp->pr_cpu > 99) 3489 psp->pr_cpu = 99; 3490 3491 if ((p->p_flag & SSYS) || (as = p->p_as) == &kas) { 3492 psp->pr_size = 0; 3493 psp->pr_rssize = 0; 3494 psp->pr_pctmem = 0; 3495 } else { 3496 mutex_exit(&p->p_lock); 3497 AS_LOCK_ENTER(as, &as->a_lock, RW_READER); 3498 psp->pr_size = btopr(as->a_resvsize); 3499 psp->pr_rssize = rm_asrss(as); 3500 psp->pr_pctmem = rm_pctmemory(as); 3501 AS_LOCK_EXIT(as, &as->a_lock); 3502 mutex_enter(&p->p_lock); 3503 } 3504 } 3505 psp->pr_bysize = ptob(psp->pr_size); 3506 psp->pr_byrssize = ptob(psp->pr_rssize); 3507} 3508 3509/* 3510 * Return an array of structures with memory map information. 3511 * We allocate here; the caller must deallocate. 3512 * The caller is also responsible to append the zero-filled entry 3513 * that terminates the PIOCMAP output buffer. 3514 */ 3515static int 3516oprgetmap(proc_t *p, list_t *iolhead) 3517{ 3518 struct as *as = p->p_as; 3519 prmap_t *mp; 3520 struct seg *seg; 3521 struct seg *brkseg, *stkseg; 3522 uint_t prot; 3523 3524 ASSERT(as != &kas && AS_WRITE_HELD(as, &as->a_lock)); 3525 3526 /* 3527 * Request an initial buffer size that doesn't waste memory 3528 * if the address space has only a small number of segments. 3529 */ 3530 pr_iol_initlist(iolhead, sizeof (*mp), avl_numnodes(&as->a_segtree)); 3531 3532 if ((seg = AS_SEGFIRST(as)) == NULL) 3533 return (0); 3534 3535 brkseg = break_seg(p); 3536 stkseg = as_segat(as, prgetstackbase(p)); 3537 3538 do { 3539 caddr_t eaddr = seg->s_base + pr_getsegsize(seg, 0); 3540 caddr_t saddr, naddr; 3541 void *tmp = NULL; 3542 3543 for (saddr = seg->s_base; saddr < eaddr; saddr = naddr) { 3544 prot = pr_getprot(seg, 0, &tmp, &saddr, &naddr, eaddr); 3545 if (saddr == naddr) 3546 continue; 3547 3548 mp = pr_iol_newbuf(iolhead, sizeof (*mp)); 3549 3550 mp->pr_vaddr = saddr; 3551 mp->pr_size = naddr - saddr; 3552 mp->pr_off = SEGOP_GETOFFSET(seg, saddr); 3553 mp->pr_mflags = 0; 3554 if (prot & PROT_READ) 3555 mp->pr_mflags |= MA_READ; 3556 if (prot & PROT_WRITE) 3557 mp->pr_mflags |= MA_WRITE; 3558 if (prot & PROT_EXEC) 3559 mp->pr_mflags |= MA_EXEC; 3560 if (SEGOP_GETTYPE(seg, saddr) & MAP_SHARED) 3561 mp->pr_mflags |= MA_SHARED; 3562 if (seg == brkseg) 3563 mp->pr_mflags |= MA_BREAK; 3564 else if (seg == stkseg) 3565 mp->pr_mflags |= MA_STACK; 3566 mp->pr_pagesize = PAGESIZE; 3567 } 3568 ASSERT(tmp == NULL); 3569 } while ((seg = AS_SEGNEXT(as, seg)) != NULL); 3570 3571 return (0); 3572} 3573 3574#ifdef _SYSCALL32_IMPL 3575static int 3576oprgetmap32(proc_t *p, list_t *iolhead) 3577{ 3578 struct as *as = p->p_as; 3579 ioc_prmap32_t *mp; 3580 struct seg *seg; 3581 struct seg *brkseg, *stkseg; 3582 uint_t prot; 3583 3584 ASSERT(as != &kas && AS_WRITE_HELD(as, &as->a_lock)); 3585 3586 /* 3587 * Request an initial buffer size that doesn't waste memory 3588 * if the address space has only a small number of segments. 3589 */ 3590 pr_iol_initlist(iolhead, sizeof (*mp), avl_numnodes(&as->a_segtree)); 3591 3592 if ((seg = AS_SEGFIRST(as)) == NULL) 3593 return (0); 3594 3595 brkseg = break_seg(p); 3596 stkseg = as_segat(as, prgetstackbase(p)); 3597 3598 do { 3599 caddr_t eaddr = seg->s_base + pr_getsegsize(seg, 0); 3600 caddr_t saddr, naddr; 3601 void *tmp = NULL; 3602 3603 for (saddr = seg->s_base; saddr < eaddr; saddr = naddr) { 3604 prot = pr_getprot(seg, 0, &tmp, &saddr, &naddr, eaddr); 3605 if (saddr == naddr) 3606 continue; 3607 3608 mp = pr_iol_newbuf(iolhead, sizeof (*mp)); 3609 3610 mp->pr_vaddr = (caddr32_t)(uintptr_t)saddr; 3611 mp->pr_size = (size32_t)(naddr - saddr); 3612 mp->pr_off = (off32_t)SEGOP_GETOFFSET(seg, saddr); 3613 mp->pr_mflags = 0; 3614 if (prot & PROT_READ) 3615 mp->pr_mflags |= MA_READ; 3616 if (prot & PROT_WRITE) 3617 mp->pr_mflags |= MA_WRITE; 3618 if (prot & PROT_EXEC) 3619 mp->pr_mflags |= MA_EXEC; 3620 if (SEGOP_GETTYPE(seg, saddr) & MAP_SHARED) 3621 mp->pr_mflags |= MA_SHARED; 3622 if (seg == brkseg) 3623 mp->pr_mflags |= MA_BREAK; 3624 else if (seg == stkseg) 3625 mp->pr_mflags |= MA_STACK; 3626 mp->pr_pagesize = PAGESIZE; 3627 } 3628 ASSERT(tmp == NULL); 3629 } while ((seg = AS_SEGNEXT(as, seg)) != NULL); 3630 3631 return (0); 3632} 3633#endif /* _SYSCALL32_IMPL */ 3634 3635/* 3636 * Return the size of the old /proc page data file. 3637 */ 3638size_t 3639oprpdsize(struct as *as) 3640{ 3641 struct seg *seg; 3642 size_t size; 3643 3644 ASSERT(as != &kas && AS_WRITE_HELD(as, &as->a_lock)); 3645 3646 if ((seg = AS_SEGFIRST(as)) == NULL) 3647 return (0); 3648 3649 size = sizeof (prpageheader_t); 3650 do { 3651 caddr_t eaddr = seg->s_base + pr_getsegsize(seg, 0); 3652 caddr_t saddr, naddr; 3653 void *tmp = NULL; 3654 size_t npage; 3655 3656 for (saddr = seg->s_base; saddr < eaddr; saddr = naddr) { 3657 (void) pr_getprot(seg, 0, &tmp, &saddr, &naddr, eaddr); 3658 if ((npage = (naddr - saddr) / PAGESIZE) != 0) 3659 size += sizeof (prasmap_t) + roundlong(npage); 3660 } 3661 ASSERT(tmp == NULL); 3662 } while ((seg = AS_SEGNEXT(as, seg)) != NULL); 3663 3664 return (size); 3665} 3666 3667#ifdef _SYSCALL32_IMPL 3668size_t 3669oprpdsize32(struct as *as) 3670{ 3671 struct seg *seg; 3672 size_t size; 3673 3674 ASSERT(as != &kas && AS_WRITE_HELD(as, &as->a_lock)); 3675 3676 if ((seg = AS_SEGFIRST(as)) == NULL) 3677 return (0); 3678 3679 size = sizeof (ioc_prpageheader32_t); 3680 do { 3681 caddr_t eaddr = seg->s_base + pr_getsegsize(seg, 0); 3682 caddr_t saddr, naddr; 3683 void *tmp = NULL; 3684 size_t npage; 3685 3686 for (saddr = seg->s_base; saddr < eaddr; saddr = naddr) { 3687 (void) pr_getprot(seg, 0, &tmp, &saddr, &naddr, eaddr); 3688 if ((npage = (naddr - saddr) / PAGESIZE) != 0) 3689 size += sizeof (ioc_prmap32_t) + round4(npage); 3690 } 3691 ASSERT(tmp == NULL); 3692 } while ((seg = AS_SEGNEXT(as, seg)) != NULL); 3693 3694 return (size); 3695} 3696#endif /* _SYSCALL32_IMPL */ 3697 3698/* 3699 * Read old /proc page data information. 3700 */ 3701int 3702oprpdread(struct as *as, uint_t hatid, struct uio *uiop) 3703{ 3704 caddr_t buf; 3705 size_t size; 3706 prpageheader_t *php; 3707 prasmap_t *pmp; 3708 struct seg *seg; 3709 int error; 3710 3711again: 3712 AS_LOCK_ENTER(as, &as->a_lock, RW_WRITER); 3713 3714 if ((seg = AS_SEGFIRST(as)) == NULL) { 3715 AS_LOCK_EXIT(as, &as->a_lock); 3716 return (0); 3717 } 3718 size = oprpdsize(as); 3719 if (uiop->uio_resid < size) { 3720 AS_LOCK_EXIT(as, &as->a_lock); 3721 return (E2BIG); 3722 } 3723 3724 buf = kmem_zalloc(size, KM_SLEEP); 3725 php = (prpageheader_t *)buf; 3726 pmp = (prasmap_t *)(buf + sizeof (prpageheader_t)); 3727 3728 hrt2ts(gethrtime(), &php->pr_tstamp); 3729 php->pr_nmap = 0; 3730 php->pr_npage = 0; 3731 do { 3732 caddr_t eaddr = seg->s_base + pr_getsegsize(seg, 0); 3733 caddr_t saddr, naddr; 3734 void *tmp = NULL; 3735 3736 for (saddr = seg->s_base; saddr < eaddr; saddr = naddr) { 3737 size_t len; 3738 size_t npage; 3739 uint_t prot; 3740 uintptr_t next; 3741 3742 prot = pr_getprot(seg, 0, &tmp, &saddr, &naddr, eaddr); 3743 if ((len = naddr - saddr) == 0) 3744 continue; 3745 npage = len / PAGESIZE; 3746 next = (uintptr_t)(pmp + 1) + roundlong(npage); 3747 /* 3748 * It's possible that the address space can change 3749 * subtlely even though we're holding as->a_lock 3750 * due to the nondeterminism of page_exists() in 3751 * the presence of asychronously flushed pages or 3752 * mapped files whose sizes are changing. 3753 * page_exists() may be called indirectly from 3754 * pr_getprot() by a SEGOP_INCORE() routine. 3755 * If this happens we need to make sure we don't 3756 * overrun the buffer whose size we computed based 3757 * on the initial iteration through the segments. 3758 * Once we've detected an overflow, we need to clean 3759 * up the temporary memory allocated in pr_getprot() 3760 * and retry. If there's a pending signal, we return 3761 * EINTR so that this thread can be dislodged if 3762 * a latent bug causes us to spin indefinitely. 3763 */ 3764 if (next > (uintptr_t)buf + size) { 3765 pr_getprot_done(&tmp); 3766 AS_LOCK_EXIT(as, &as->a_lock); 3767 3768 kmem_free(buf, size); 3769 3770 if (ISSIG(curthread, JUSTLOOKING)) 3771 return (EINTR); 3772 3773 goto again; 3774 } 3775 3776 php->pr_nmap++; 3777 php->pr_npage += npage; 3778 pmp->pr_vaddr = saddr; 3779 pmp->pr_npage = npage; 3780 pmp->pr_off = SEGOP_GETOFFSET(seg, saddr); 3781 pmp->pr_mflags = 0; 3782 if (prot & PROT_READ) 3783 pmp->pr_mflags |= MA_READ; 3784 if (prot & PROT_WRITE) 3785 pmp->pr_mflags |= MA_WRITE; 3786 if (prot & PROT_EXEC) 3787 pmp->pr_mflags |= MA_EXEC; 3788 if (SEGOP_GETTYPE(seg, saddr) & MAP_SHARED) 3789 pmp->pr_mflags |= MA_SHARED; 3790 pmp->pr_pagesize = PAGESIZE; 3791 hat_getstat(as, saddr, len, hatid, 3792 (char *)(pmp + 1), HAT_SYNC_ZERORM); 3793 pmp = (prasmap_t *)next; 3794 } 3795 ASSERT(tmp == NULL); 3796 } while ((seg = AS_SEGNEXT(as, seg)) != NULL); 3797 3798 AS_LOCK_EXIT(as, &as->a_lock); 3799 3800 ASSERT((uintptr_t)pmp <= (uintptr_t)buf + size); 3801 error = uiomove(buf, (caddr_t)pmp - buf, UIO_READ, uiop); 3802 kmem_free(buf, size); 3803 3804 return (error); 3805} 3806 3807#ifdef _SYSCALL32_IMPL 3808int 3809oprpdread32(struct as *as, uint_t hatid, struct uio *uiop) 3810{ 3811 caddr_t buf; 3812 size_t size; 3813 ioc_prpageheader32_t *php; 3814 ioc_prasmap32_t *pmp; 3815 struct seg *seg; 3816 int error; 3817 3818again: 3819 AS_LOCK_ENTER(as, &as->a_lock, RW_WRITER); 3820 3821 if ((seg = AS_SEGFIRST(as)) == NULL) { 3822 AS_LOCK_EXIT(as, &as->a_lock); 3823 return (0); 3824 } 3825 size = oprpdsize32(as); 3826 if (uiop->uio_resid < size) { 3827 AS_LOCK_EXIT(as, &as->a_lock); 3828 return (E2BIG); 3829 } 3830 3831 buf = kmem_zalloc(size, KM_SLEEP); 3832 php = (ioc_prpageheader32_t *)buf; 3833 pmp = (ioc_prasmap32_t *)(buf + sizeof (ioc_prpageheader32_t)); 3834 3835 hrt2ts32(gethrtime(), &php->pr_tstamp); 3836 php->pr_nmap = 0; 3837 php->pr_npage = 0; 3838 do { 3839 caddr_t eaddr = seg->s_base + pr_getsegsize(seg, 0); 3840 caddr_t saddr, naddr; 3841 void *tmp = NULL; 3842 3843 for (saddr = seg->s_base; saddr < eaddr; saddr = naddr) { 3844 size_t len; 3845 size_t npage; 3846 uint_t prot; 3847 uintptr_t next; 3848 3849 prot = pr_getprot(seg, 0, &tmp, &saddr, &naddr, eaddr); 3850 if ((len = naddr - saddr) == 0) 3851 continue; 3852 npage = len / PAGESIZE; 3853 next = (uintptr_t)(pmp + 1) + round4(npage); 3854 /* 3855 * It's possible that the address space can change 3856 * subtlely even though we're holding as->a_lock 3857 * due to the nondeterminism of page_exists() in 3858 * the presence of asychronously flushed pages or 3859 * mapped files whose sizes are changing. 3860 * page_exists() may be called indirectly from 3861 * pr_getprot() by a SEGOP_INCORE() routine. 3862 * If this happens we need to make sure we don't 3863 * overrun the buffer whose size we computed based 3864 * on the initial iteration through the segments. 3865 * Once we've detected an overflow, we need to clean 3866 * up the temporary memory allocated in pr_getprot() 3867 * and retry. If there's a pending signal, we return 3868 * EINTR so that this thread can be dislodged if 3869 * a latent bug causes us to spin indefinitely. 3870 */ 3871 if (next > (uintptr_t)buf + size) { 3872 pr_getprot_done(&tmp); 3873 AS_LOCK_EXIT(as, &as->a_lock); 3874 3875 kmem_free(buf, size); 3876 3877 if (ISSIG(curthread, JUSTLOOKING)) 3878 return (EINTR); 3879 3880 goto again; 3881 } 3882 3883 php->pr_nmap++; 3884 php->pr_npage += npage; 3885 pmp->pr_vaddr = (uint32_t)(uintptr_t)saddr; 3886 pmp->pr_npage = (uint32_t)npage; 3887 pmp->pr_off = (int32_t)SEGOP_GETOFFSET(seg, saddr); 3888 pmp->pr_mflags = 0; 3889 if (prot & PROT_READ) 3890 pmp->pr_mflags |= MA_READ; 3891 if (prot & PROT_WRITE) 3892 pmp->pr_mflags |= MA_WRITE; 3893 if (prot & PROT_EXEC) 3894 pmp->pr_mflags |= MA_EXEC; 3895 if (SEGOP_GETTYPE(seg, saddr) & MAP_SHARED) 3896 pmp->pr_mflags |= MA_SHARED; 3897 pmp->pr_pagesize = PAGESIZE; 3898 hat_getstat(as, saddr, len, hatid, 3899 (char *)(pmp + 1), HAT_SYNC_ZERORM); 3900 pmp = (ioc_prasmap32_t *)next; 3901 } 3902 ASSERT(tmp == NULL); 3903 } while ((seg = AS_SEGNEXT(as, seg)) != NULL); 3904 3905 AS_LOCK_EXIT(as, &as->a_lock); 3906 3907 ASSERT((uintptr_t)pmp == (uintptr_t)buf + size); 3908 error = uiomove(buf, (caddr_t)pmp - buf, UIO_READ, uiop); 3909 kmem_free(buf, size); 3910 3911 return (error); 3912} 3913#endif /* _SYSCALL32_IMPL */ 3914 3915/*ARGSUSED*/ 3916#ifdef _SYSCALL32_IMPL 3917int 3918prioctl( 3919 struct vnode *vp, 3920 int cmd, 3921 intptr_t arg, 3922 int flag, 3923 cred_t *cr, 3924 int *rvalp, 3925 caller_context_t *ct) 3926{ 3927 switch (curproc->p_model) { 3928 case DATAMODEL_ILP32: 3929 return (prioctl32(vp, cmd, arg, flag, cr, rvalp, ct)); 3930 case DATAMODEL_LP64: 3931 return (prioctl64(vp, cmd, arg, flag, cr, rvalp, ct)); 3932 default: 3933 return (ENOSYS); 3934 } 3935} 3936#endif /* _SYSCALL32_IMPL */ 3937