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   1 /*
   2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
   3  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
   4  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
   5  * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
   6  * Copyright (c) 2000 PocketPenguins Inc.  Linux for Hitachi SuperH
   7  *                    port by Greg Banks <gbanks@pocketpenguins.com>
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  *      $Id$
  33  */
  34
  35 #include "defs.h"
  36
  37 #ifdef LINUX
  38 #include <asm/mman.h>
  39 #endif
  40 #include <sys/mman.h>
  41
  42 #if defined(LINUX) && defined(I386)
  43 #include <asm/ldt.h>
  44 # ifdef HAVE_STRUCT_USER_DESC
  45 #  define modify_ldt_ldt_s user_desc
  46 # endif
  47 #endif
  48 #if defined(LINUX) && defined(SH64)
  49 #include <asm/page.h>       /* for PAGE_SHIFT */
  50 #endif
  51
  52 #ifdef HAVE_LONG_LONG_OFF_T
  53 /*
  54  * Ugly hacks for systems that have a long long off_t
  55  */
  56 #define sys_mmap64      sys_mmap
  57 #endif
  58
  59 int
  60 sys_brk(tcp)
  61 struct tcb *tcp;
  62 {
  63         if (entering(tcp)) {
  64                 tprintf("%#lx", tcp->u_arg[0]);
  65         }
  66 #ifdef LINUX
  67         return RVAL_HEX;
  68 #else
  69         return 0;
  70 #endif
  71 }
  72
  73 #if defined(FREEBSD) || defined(SUNOS4)
  74 int
  75 sys_sbrk(tcp)
  76 struct tcb *tcp;
  77 {
  78         if (entering(tcp)) {
  79                 tprintf("%lu", tcp->u_arg[0]);
  80         }
  81         return RVAL_HEX;
  82 }
  83 #endif /* FREEBSD || SUNOS4 */
  84
  85 static const struct xlat mmap_prot[] = {
  86         { PROT_NONE,    "PROT_NONE",    },
  87         { PROT_READ,    "PROT_READ"     },
  88         { PROT_WRITE,   "PROT_WRITE"    },
  89         { PROT_EXEC,    "PROT_EXEC"     },
  90 #ifdef PROT_SEM
  91         { PROT_SEM,     "PROT_SEM"      },
  92 #endif
  93 #ifdef PROT_GROWSDOWN
  94         { PROT_GROWSDOWN,"PROT_GROWSDOWN"},
  95 #endif
  96 #ifdef PROT_GROWSUP
  97         { PROT_GROWSUP, "PROT_GROWSUP"  },
  98 #endif
  99 #ifdef PROT_SAO
 100         { PROT_SAO,     "PROT_SAO"      },
 101 #endif
 102         { 0,            NULL            },
 103 };
 104
 105 static const struct xlat mmap_flags[] = {
 106         { MAP_SHARED,   "MAP_SHARED"    },
 107         { MAP_PRIVATE,  "MAP_PRIVATE"   },
 108         { MAP_FIXED,    "MAP_FIXED"     },
 109 #ifdef MAP_ANONYMOUS
 110         { MAP_ANONYMOUS,"MAP_ANONYMOUS" },
 111 #endif
 112 #ifdef MAP_32BIT
 113         { MAP_32BIT,    "MAP_32BIT"     },
 114 #endif
 115 #ifdef MAP_RENAME
 116         { MAP_RENAME,   "MAP_RENAME"    },
 117 #endif
 118 #ifdef MAP_NORESERVE
 119         { MAP_NORESERVE,"MAP_NORESERVE" },
 120 #endif
 121 #ifdef MAP_POPULATE
 122         { MAP_POPULATE, "MAP_POPULATE" },
 123 #endif
 124 #ifdef MAP_NONBLOCK
 125         { MAP_NONBLOCK, "MAP_NONBLOCK" },
 126 #endif
 127         /*
 128          * XXX - this was introduced in SunOS 4.x to distinguish between
 129          * the old pre-4.x "mmap()", which:
 130          *
 131          *      only let you map devices with an "mmap" routine (e.g.,
 132          *      frame buffers) in;
 133          *
 134          *      required you to specify the mapping address;
 135          *
 136          *      returned 0 on success and -1 on failure;
 137          *
 138          * memory and which, and the 4.x "mmap()" which:
 139          *
 140          *      can map plain files;
 141          *
 142          *      can be asked to pick where to map the file;
 143          *
 144          *      returns the address where it mapped the file on success
 145          *      and -1 on failure.
 146          *
 147          * It's not actually used in source code that calls "mmap()"; the
 148          * "mmap()" routine adds it for you.
 149          *
 150          * It'd be nice to come up with some way of eliminating it from
 151          * the flags, e.g. reporting calls *without* it as "old_mmap()"
 152          * and calls with it as "mmap()".
 153          */
 154 #ifdef _MAP_NEW
 155         { _MAP_NEW,     "_MAP_NEW"      },
 156 #endif
 157 #ifdef MAP_GROWSDOWN
 158         { MAP_GROWSDOWN,"MAP_GROWSDOWN" },
 159 #endif
 160 #ifdef MAP_DENYWRITE
 161         { MAP_DENYWRITE,"MAP_DENYWRITE" },
 162 #endif
 163 #ifdef MAP_EXECUTABLE
 164         { MAP_EXECUTABLE,"MAP_EXECUTABLE"},
 165 #endif
 166 #ifdef MAP_INHERIT
 167         { MAP_INHERIT,"MAP_INHERIT"     },
 168 #endif
 169 #ifdef MAP_FILE
 170         { MAP_FILE,"MAP_FILE"},
 171 #endif
 172 #ifdef MAP_LOCKED
 173         { MAP_LOCKED,"MAP_LOCKED"},
 174 #endif
 175         /* FreeBSD ones */
 176 #ifdef MAP_ANON
 177         { MAP_ANON,             "MAP_ANON"      },
 178 #endif
 179 #ifdef MAP_HASSEMAPHORE
 180         { MAP_HASSEMAPHORE,     "MAP_HASSEMAPHORE"      },
 181 #endif
 182 #ifdef MAP_STACK
 183         { MAP_STACK,            "MAP_STACK"     },
 184 #endif
 185 #ifdef MAP_NOSYNC
 186         { MAP_NOSYNC,           "MAP_NOSYNC"    },
 187 #endif
 188 #ifdef MAP_NOCORE
 189         { MAP_NOCORE,           "MAP_NOCORE"    },
 190 #endif
 191 #ifdef TILE
 192         { MAP_CACHE_NO_LOCAL, "MAP_CACHE_NO_LOCAL" },
 193         { MAP_CACHE_NO_L2, "MAP_CACHE_NO_L2" },
 194         { MAP_CACHE_NO_L1, "MAP_CACHE_NO_L1" },
 195 #endif
 196         { 0,            NULL            },
 197 };
 198
 199 #ifdef TILE
 200 static
 201 int
 202 addtileflags(flags)
 203 long flags;
 204 {
 205         long home = flags & _MAP_CACHE_MKHOME(_MAP_CACHE_HOME_MASK);
 206         flags &= ~_MAP_CACHE_MKHOME(_MAP_CACHE_HOME_MASK);
 207
 208         if (flags & _MAP_CACHE_INCOHERENT) {
 209                 flags &= ~_MAP_CACHE_INCOHERENT;
 210                 if (home == MAP_CACHE_HOME_NONE) {
 211                         tprintf("|MAP_CACHE_INCOHERENT");
 212                         return flags;
 213                 }
 214                 tprintf("|_MAP_CACHE_INCOHERENT");
 215         }
 216
 217         switch (home) {
 218         case 0: break;
 219         case MAP_CACHE_HOME_HERE: tprintf("|MAP_CACHE_HOME_HERE"); break;
 220         case MAP_CACHE_HOME_NONE: tprintf("|MAP_CACHE_HOME_NONE"); break;
 221         case MAP_CACHE_HOME_SINGLE: tprintf("|MAP_CACHE_HOME_SINGLE"); break;
 222         case MAP_CACHE_HOME_TASK: tprintf("|MAP_CACHE_HOME_TASK"); break;
 223         case MAP_CACHE_HOME_HASH: tprintf("|MAP_CACHE_HOME_HASH"); break;
 224         default:
 225                 tprintf("|MAP_CACHE_HOME(%d)",
 226                         (home >> _MAP_CACHE_HOME_SHIFT) );
 227                 break;
 228         }
 229
 230         return flags;
 231 }
 232 #endif
 233
 234 #if !HAVE_LONG_LONG_OFF_T
 235 static int
 236 print_mmap(struct tcb *tcp, long *u_arg, long long offset)
 237 {
 238         if (entering(tcp)) {
 239                 /* addr */
 240                 if (!u_arg[0])
 241                         tprintf("NULL, ");
 242                 else
 243                         tprintf("%#lx, ", u_arg[0]);
 244                 /* len */
 245                 tprintf("%lu, ", u_arg[1]);
 246                 /* prot */
 247                 printflags(mmap_prot, u_arg[2], "PROT_???");
 248                 tprintf(", ");
 249                 /* flags */
 250 #ifdef MAP_TYPE
 251                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 252 #ifdef TILE
 253                 addflags(mmap_flags, addtileflags(u_arg[3] & ~MAP_TYPE));
 254 #else
 255                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 256 #endif
 257 #else
 258                 printflags(mmap_flags, u_arg[3], "MAP_???");
 259 #endif
 260                 /* fd */
 261                 tprintf(", ");
 262                 printfd(tcp, u_arg[4]);
 263                 /* offset */
 264                 tprintf(", %#llx", offset);
 265         }
 266         return RVAL_HEX;
 267 }
 268
 269 #ifdef LINUX
 270 int sys_old_mmap(tcp)
 271 struct tcb *tcp;
 272 {
 273         long u_arg[6];
 274
 275 #if     defined(IA64)
 276         int i, v;
 277         /*
 278          *  IA64 processes never call this routine, they only use the
 279          *  new `sys_mmap' interface.  This code converts the integer
 280          *  arguments that the IA32 process pushed onto the stack into
 281          *  longs.
 282          *
 283          *  Note that addresses with bit 31 set will be sign extended.
 284          *  Fortunately, those addresses are not currently being generated
 285          *  for IA32 processes so it's not a problem.
 286          */
 287         for (i = 0; i < 6; i++)
 288                 if (umove(tcp, tcp->u_arg[0] + (i * sizeof(int)), &v) == -1)
 289                         return 0;
 290                 else
 291                         u_arg[i] = v;
 292 #elif defined(SH) || defined(SH64)
 293         /* SH has always passed the args in registers */
 294         int i;
 295         for (i=0; i<6; i++)
 296                 u_arg[i] = tcp->u_arg[i];
 297 #else
 298 # if defined(X86_64)
 299         if (current_personality == 1) {
 300                 int i;
 301                 for (i = 0; i < 6; ++i) {
 302                         unsigned int val;
 303                         if (umove(tcp, tcp->u_arg[0] + i * 4, &val) == -1)
 304                                 return 0;
 305                         u_arg[i] = val;
 306                 }
 307         }
 308         else
 309 # endif
 310         if (umoven(tcp, tcp->u_arg[0], sizeof u_arg, (char *) u_arg) == -1)
 311                 return 0;
 312 #endif  // defined(IA64)
 313         return print_mmap(tcp, u_arg, u_arg[5]);
 314 }
 315 #endif
 316
 317 int
 318 sys_mmap(tcp)
 319 struct tcb *tcp;
 320 {
 321         long long offset = tcp->u_arg[5];
 322
 323 #if defined(LINUX) && defined(SH64)
 324         /*
 325          * Old mmap differs from new mmap in specifying the
 326          * offset in units of bytes rather than pages.  We
 327          * pretend it's in byte units so the user only ever
 328          * sees bytes in the printout.
 329          */
 330         offset <<= PAGE_SHIFT;
 331 #endif
 332 #if defined(LINUX_MIPSN32)
 333         offset = tcp->ext_arg[5];
 334 #endif
 335         return print_mmap(tcp, tcp->u_arg, offset);
 336 }
 337 #endif /* !HAVE_LONG_LONG_OFF_T */
 338
 339 #if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
 340 int
 341 sys_mmap64(struct tcb *tcp)
 342 {
 343 #ifdef linux
 344 #ifdef ALPHA
 345         long *u_arg = tcp->u_arg;
 346 #else /* !ALPHA */
 347         long u_arg[7];
 348 #endif /* !ALPHA */
 349 #else /* !linux */
 350         long *u_arg = tcp->u_arg;
 351 #endif /* !linux */
 352
 353         if (entering(tcp)) {
 354 #ifdef linux
 355 #ifndef ALPHA
 356                 if (umoven(tcp, tcp->u_arg[0], sizeof u_arg,
 357                                 (char *) u_arg) == -1)
 358                         return 0;
 359 #endif /* ALPHA */
 360 #endif /* linux */
 361
 362                 /* addr */
 363                 tprintf("%#lx, ", u_arg[0]);
 364                 /* len */
 365                 tprintf("%lu, ", u_arg[1]);
 366                 /* prot */
 367                 printflags(mmap_prot, u_arg[2], "PROT_???");
 368                 tprintf(", ");
 369                 /* flags */
 370 #ifdef MAP_TYPE
 371                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 372                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 373 #else
 374                 printflags(mmap_flags, u_arg[3], "MAP_???");
 375 #endif
 376                 /* fd */
 377                 tprintf(", ");
 378                 printfd(tcp, tcp->u_arg[4]);
 379                 /* offset */
 380                 printllval(tcp, ", %#llx", 5);
 381         }
 382         return RVAL_HEX;
 383 }
 384 #endif
 385
 386
 387 int
 388 sys_munmap(tcp)
 389 struct tcb *tcp;
 390 {
 391         if (entering(tcp)) {
 392                 tprintf("%#lx, %lu",
 393                         tcp->u_arg[0], tcp->u_arg[1]);
 394         }
 395         return 0;
 396 }
 397
 398 int
 399 sys_mprotect(tcp)
 400 struct tcb *tcp;
 401 {
 402         if (entering(tcp)) {
 403                 tprintf("%#lx, %lu, ",
 404                         tcp->u_arg[0], tcp->u_arg[1]);
 405                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 406         }
 407         return 0;
 408 }
 409
 410 #ifdef LINUX
 411
 412 static const struct xlat mremap_flags[] = {
 413         { MREMAP_MAYMOVE,       "MREMAP_MAYMOVE"        },
 414 #ifdef MREMAP_FIXED
 415         { MREMAP_FIXED,         "MREMAP_FIXED"          },
 416 #endif
 417         { 0,                    NULL                    }
 418 };
 419
 420 int
 421 sys_mremap(struct tcb *tcp)
 422 {
 423         if (entering(tcp)) {
 424                 tprintf("%#lx, %lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1],
 425                         tcp->u_arg[2]);
 426                 printflags(mremap_flags, tcp->u_arg[3], "MREMAP_???");
 427 #ifdef MREMAP_FIXED
 428                 if ((tcp->u_arg[3] & (MREMAP_MAYMOVE | MREMAP_FIXED)) ==
 429                     (MREMAP_MAYMOVE | MREMAP_FIXED))
 430                         tprintf(", %#lx", tcp->u_arg[4]);
 431 #endif
 432         }
 433         return RVAL_HEX;
 434 }
 435
 436 static const struct xlat madvise_cmds[] = {
 437 #ifdef MADV_NORMAL
 438         { MADV_NORMAL,          "MADV_NORMAL" },
 439 #endif
 440 #ifdef MADV_RANDOM
 441         { MADV_RANDOM,          "MADV_RANDOM" },
 442 #endif
 443 #ifdef MADV_SEQUENTIAL
 444         { MADV_SEQUENTIAL,      "MADV_SEQUENTIAL" },
 445 #endif
 446 #ifdef MADV_WILLNEED
 447         { MADV_WILLNEED,        "MADV_WILLNEED" },
 448 #endif
 449 #ifdef MADV_DONTNEED
 450         { MADV_DONTNEED,        "MADV_DONTNEED" },
 451 #endif
 452         { 0,                    NULL },
 453 };
 454
 455
 456 int
 457 sys_madvise(tcp)
 458 struct tcb *tcp;
 459 {
 460         if (entering(tcp)) {
 461                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 462                 printxval(madvise_cmds, tcp->u_arg[2], "MADV_???");
 463         }
 464         return 0;
 465 }
 466
 467
 468 static const struct xlat mlockall_flags[] = {
 469 #ifdef MCL_CURRENT
 470         { MCL_CURRENT,  "MCL_CURRENT" },
 471 #endif
 472 #ifdef MCL_FUTURE
 473         { MCL_FUTURE,   "MCL_FUTURE" },
 474 #endif
 475         { 0,            NULL}
 476 };
 477
 478 int
 479 sys_mlockall(tcp)
 480 struct tcb *tcp;
 481 {
 482         if (entering(tcp)) {
 483                 printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
 484         }
 485         return 0;
 486 }
 487
 488
 489 #endif /* LINUX */
 490
 491 #ifdef MS_ASYNC
 492
 493 static const struct xlat mctl_sync[] = {
 494 #ifdef MS_SYNC
 495         { MS_SYNC,      "MS_SYNC"       },
 496 #endif
 497         { MS_ASYNC,     "MS_ASYNC"      },
 498         { MS_INVALIDATE,"MS_INVALIDATE" },
 499         { 0,            NULL            },
 500 };
 501
 502 int
 503 sys_msync(tcp)
 504 struct tcb *tcp;
 505 {
 506         if (entering(tcp)) {
 507                 /* addr */
 508                 tprintf("%#lx", tcp->u_arg[0]);
 509                 /* len */
 510                 tprintf(", %lu, ", tcp->u_arg[1]);
 511                 /* flags */
 512                 printflags(mctl_sync, tcp->u_arg[2], "MS_???");
 513         }
 514         return 0;
 515 }
 516
 517 #endif /* MS_ASYNC */
 518
 519 #ifdef MC_SYNC
 520
 521 static const struct xlat mctl_funcs[] = {
 522         { MC_LOCK,      "MC_LOCK"       },
 523         { MC_LOCKAS,    "MC_LOCKAS"     },
 524         { MC_SYNC,      "MC_SYNC"       },
 525         { MC_UNLOCK,    "MC_UNLOCK"     },
 526         { MC_UNLOCKAS,  "MC_UNLOCKAS"   },
 527         { 0,            NULL            },
 528 };
 529
 530 static const struct xlat mctl_lockas[] = {
 531         { MCL_CURRENT,  "MCL_CURRENT"   },
 532         { MCL_FUTURE,   "MCL_FUTURE"    },
 533         { 0,            NULL            },
 534 };
 535
 536 int
 537 sys_mctl(tcp)
 538 struct tcb *tcp;
 539 {
 540         int arg, function;
 541
 542         if (entering(tcp)) {
 543                 /* addr */
 544                 tprintf("%#lx", tcp->u_arg[0]);
 545                 /* len */
 546                 tprintf(", %lu, ", tcp->u_arg[1]);
 547                 /* function */
 548                 function = tcp->u_arg[2];
 549                 printflags(mctl_funcs, function, "MC_???");
 550                 /* arg */
 551                 arg = tcp->u_arg[3];
 552                 tprintf(", ");
 553                 switch (function) {
 554                 case MC_SYNC:
 555                         printflags(mctl_sync, arg, "MS_???");
 556                         break;
 557                 case MC_LOCKAS:
 558                         printflags(mctl_lockas, arg, "MCL_???");
 559                         break;
 560                 default:
 561                         tprintf("%#x", arg);
 562                         break;
 563                 }
 564         }
 565         return 0;
 566 }
 567
 568 #endif /* MC_SYNC */
 569
 570 int
 571 sys_mincore(tcp)
 572 struct tcb *tcp;
 573 {
 574         unsigned long i, len;
 575         char *vec = NULL;
 576
 577         if (entering(tcp)) {
 578                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 579         } else {
 580                 len = tcp->u_arg[1];
 581                 if (syserror(tcp) || tcp->u_arg[2] == 0 ||
 582                         (vec = malloc(len)) == NULL ||
 583                         umoven(tcp, tcp->u_arg[2], len, vec) < 0)
 584                         tprintf("%#lx", tcp->u_arg[2]);
 585                 else {
 586                         tprintf("[");
 587                         for (i = 0; i < len; i++) {
 588                                 if (abbrev(tcp) && i >= max_strlen) {
 589                                         tprintf("...");
 590                                         break;
 591                                 }
 592                                 tprintf((vec[i] & 1) ? "1" : "0");
 593                         }
 594                         tprintf("]");
 595                 }
 596                 if (vec)
 597                         free(vec);
 598         }
 599         return 0;
 600 }
 601
 602 #if defined(ALPHA) || defined(FREEBSD) || defined(IA64) || defined(SUNOS4) || defined(SVR4) || defined(SPARC) || defined(SPARC64)
 603 int
 604 sys_getpagesize(tcp)
 605 struct tcb *tcp;
 606 {
 607         if (exiting(tcp))
 608                 return RVAL_HEX;
 609         return 0;
 610 }
 611 #endif /* ALPHA || FREEBSD || IA64 || SUNOS4 || SVR4 */
 612
 613 #if defined(LINUX) && defined(__i386__)
 614 void
 615 print_ldt_entry(struct modify_ldt_ldt_s *ldt_entry)
 616 {
 617         tprintf("base_addr:%#08lx, "
 618                 "limit:%d, "
 619                 "seg_32bit:%d, "
 620                 "contents:%d, "
 621                 "read_exec_only:%d, "
 622                 "limit_in_pages:%d, "
 623                 "seg_not_present:%d, "
 624                 "useable:%d}",
 625                 (long) ldt_entry->base_addr,
 626                 ldt_entry->limit,
 627                 ldt_entry->seg_32bit,
 628                 ldt_entry->contents,
 629                 ldt_entry->read_exec_only,
 630                 ldt_entry->limit_in_pages,
 631                 ldt_entry->seg_not_present,
 632                 ldt_entry->useable);
 633 }
 634
 635 int
 636 sys_modify_ldt(tcp)
 637 struct tcb *tcp;
 638 {
 639         if (entering(tcp)) {
 640                 struct modify_ldt_ldt_s copy;
 641                 tprintf("%ld", tcp->u_arg[0]);
 642                 if (tcp->u_arg[1] == 0
 643                                 || tcp->u_arg[2] != sizeof (struct modify_ldt_ldt_s)
 644                                 || umove(tcp, tcp->u_arg[1], &copy) == -1)
 645                         tprintf(", %lx", tcp->u_arg[1]);
 646                 else {
 647                         tprintf(", {entry_number:%d, ", copy.entry_number);
 648                         if (!verbose(tcp))
 649                                 tprintf("...}");
 650                         else {
 651                                 print_ldt_entry(&copy);
 652                         }
 653                 }
 654                 tprintf(", %lu", tcp->u_arg[2]);
 655         }
 656         return 0;
 657 }
 658
 659 int
 660 sys_set_thread_area(tcp)
 661 struct tcb *tcp;
 662 {
 663         struct modify_ldt_ldt_s copy;
 664         if (entering(tcp)) {
 665                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 666                         if (copy.entry_number == -1)
 667                                 tprintf("{entry_number:%d -> ",
 668                                         copy.entry_number);
 669                         else
 670                                 tprintf("{entry_number:");
 671                 }
 672         } else {
 673                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 674                         tprintf("%d, ", copy.entry_number);
 675                         if (!verbose(tcp))
 676                                 tprintf("...}");
 677                         else {
 678                                 print_ldt_entry(&copy);
 679                         }
 680                 } else {
 681                         tprintf("%lx", tcp->u_arg[0]);
 682                 }
 683         }
 684         return 0;
 685
 686 }
 687
 688 int
 689 sys_get_thread_area(tcp)
 690 struct tcb *tcp;
 691 {
 692         struct modify_ldt_ldt_s copy;
 693         if (exiting(tcp)) {
 694                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 695                         tprintf("{entry_number:%d, ", copy.entry_number);
 696                         if (!verbose(tcp))
 697                                 tprintf("...}");
 698                         else {
 699                                 print_ldt_entry(&copy);
 700                         }
 701                 } else {
 702                         tprintf("%lx", tcp->u_arg[0]);
 703                 }
 704         }
 705         return 0;
 706
 707 }
 708 #endif /* LINUX && __i386__ */
 709
 710 #if defined(LINUX) && defined(M68K)
 711
 712 int
 713 sys_set_thread_area(tcp)
 714 struct tcb *tcp;
 715 {
 716         if (entering(tcp))
 717                 tprintf("%#lx", tcp->u_arg[0]);
 718         return 0;
 719
 720 }
 721
 722 int
 723 sys_get_thread_area(tcp)
 724 struct tcb *tcp;
 725 {
 726         return RVAL_HEX;
 727 }
 728 #endif
 729
 730 #if defined(LINUX)
 731 int
 732 sys_remap_file_pages(tcp)
 733 struct tcb *tcp;
 734 {
 735         if (entering(tcp)) {
 736                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 737                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 738                 tprintf(", %lu, ", tcp->u_arg[3]);
 739 #ifdef MAP_TYPE
 740                 printxval(mmap_flags, tcp->u_arg[4] & MAP_TYPE, "MAP_???");
 741                 addflags(mmap_flags, tcp->u_arg[4] & ~MAP_TYPE);
 742 #else
 743                 printflags(mmap_flags, tcp->u_arg[4], "MAP_???");
 744 #endif
 745         }
 746         return 0;
 747 }
 748
 749
 750 #define MPOL_DEFAULT    0
 751 #define MPOL_PREFERRED  1
 752 #define MPOL_BIND       2
 753 #define MPOL_INTERLEAVE 3
 754
 755 #define MPOL_F_NODE     (1<<0)
 756 #define MPOL_F_ADDR     (1<<1)
 757
 758 #define MPOL_MF_STRICT  (1<<0)
 759 #define MPOL_MF_MOVE    (1<<1)
 760 #define MPOL_MF_MOVE_ALL (1<<2)
 761
 762
 763 static const struct xlat policies[] = {
 764         { MPOL_DEFAULT,         "MPOL_DEFAULT"          },
 765         { MPOL_PREFERRED,       "MPOL_PREFERRED"        },
 766         { MPOL_BIND,            "MPOL_BIND"             },
 767         { MPOL_INTERLEAVE,      "MPOL_INTERLEAVE"       },
 768         { 0,                    NULL                    }
 769 };
 770
 771 static const struct xlat mbindflags[] = {
 772         { MPOL_MF_STRICT,       "MPOL_MF_STRICT"        },
 773         { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
 774         { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
 775         { 0,                    NULL                    }
 776 };
 777
 778 static const struct xlat mempolicyflags[] = {
 779         { MPOL_F_NODE,          "MPOL_F_NODE"           },
 780         { MPOL_F_ADDR,          "MPOL_F_ADDR"           },
 781         { 0,                    NULL                    }
 782 };
 783
 784 static const struct xlat move_pages_flags[] = {
 785         { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
 786         { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
 787         { 0,                    NULL                    }
 788 };
 789
 790
 791 static void
 792 get_nodes(tcp, ptr, maxnodes, err)
 793 struct tcb *tcp;
 794 unsigned long ptr;
 795 unsigned long maxnodes;
 796 int err;
 797 {
 798         unsigned long nlongs, size, end;
 799
 800         nlongs = (maxnodes + 8 * sizeof(long) - 1) / (8 * sizeof(long));
 801         size = nlongs * sizeof(long);
 802         end = ptr + size;
 803         if (nlongs == 0 || ((err || verbose(tcp)) && (size * 8 == maxnodes)
 804                             && (end > ptr))) {
 805                 unsigned long n, cur, abbrev_end;
 806                 int failed = 0;
 807
 808                 if (abbrev(tcp)) {
 809                         abbrev_end = ptr + max_strlen * sizeof(long);
 810                         if (abbrev_end < ptr)
 811                                 abbrev_end = end;
 812                 } else {
 813                         abbrev_end = end;
 814                 }
 815                 tprintf(", {");
 816                 for (cur = ptr; cur < end; cur += sizeof(long)) {
 817                         if (cur > ptr)
 818                                 tprintf(", ");
 819                         if (cur >= abbrev_end) {
 820                                 tprintf("...");
 821                                 break;
 822                         }
 823                         if (umoven(tcp, cur, sizeof(n), (char *) &n) < 0) {
 824                                 tprintf("?");
 825                                 failed = 1;
 826                                 break;
 827                         }
 828                         tprintf("%#0*lx", (int) sizeof(long) * 2 + 2, n);
 829                 }
 830                 tprintf("}");
 831                 if (failed)
 832                         tprintf(" %#lx", ptr);
 833         } else
 834                 tprintf(", %#lx", ptr);
 835         tprintf(", %lu", maxnodes);
 836 }
 837
 838 int
 839 sys_mbind(tcp)
 840 struct tcb *tcp;
 841 {
 842         if (entering(tcp)) {
 843                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 844                 printxval(policies, tcp->u_arg[2], "MPOL_???");
 845                 get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0);
 846                 tprintf(", ");
 847                 printflags(mbindflags, tcp->u_arg[5], "MPOL_???");
 848         }
 849         return 0;
 850 }
 851
 852 int
 853 sys_set_mempolicy(tcp)
 854 struct tcb *tcp;
 855 {
 856         if (entering(tcp)) {
 857                 printxval(policies, tcp->u_arg[0], "MPOL_???");
 858                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
 859         }
 860         return 0;
 861 }
 862
 863 int
 864 sys_get_mempolicy(tcp)
 865 struct tcb *tcp;
 866 {
 867         if (exiting(tcp)) {
 868                 int pol;
 869                 if (tcp->u_arg[0] == 0)
 870                         tprintf("NULL");
 871                 else if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &pol) < 0)
 872                         tprintf("%#lx", tcp->u_arg[0]);
 873                 else
 874                         printxval(policies, pol, "MPOL_???");
 875                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp));
 876                 tprintf(", %#lx, ", tcp->u_arg[3]);
 877                 printflags(mempolicyflags, tcp->u_arg[4], "MPOL_???");
 878         }
 879         return 0;
 880 }
 881
 882 int
 883 sys_move_pages(tcp)
 884 struct tcb *tcp;
 885 {
 886         if (entering(tcp)) {
 887                 unsigned long npages = tcp->u_arg[1];
 888                 tprintf("%ld, %lu, ", tcp->u_arg[0], npages);
 889                 if (tcp->u_arg[2] == 0)
 890                         tprintf("NULL, ");
 891                 else {
 892                         int i;
 893                         long puser = tcp->u_arg[2];
 894                         tprintf("{");
 895                         for (i = 0; i < npages; ++i) {
 896                                 void *p;
 897                                 if (i > 0)
 898                                         tprintf(", ");
 899                                 if (umove(tcp, puser, &p) < 0) {
 900                                         tprintf("???");
 901                                         break;
 902                                 }
 903                                 tprintf("%p", p);
 904                                 puser += sizeof (void *);
 905                         }
 906                         tprintf("}, ");
 907                 }
 908                 if (tcp->u_arg[3] == 0)
 909                         tprintf("NULL, ");
 910                 else {
 911                         int i;
 912                         long nodeuser = tcp->u_arg[3];
 913                         tprintf("{");
 914                         for (i = 0; i < npages; ++i) {
 915                                 int node;
 916                                 if (i > 0)
 917                                         tprintf(", ");
 918                                 if (umove(tcp, nodeuser, &node) < 0) {
 919                                         tprintf("???");
 920                                         break;
 921                                 }
 922                                 tprintf("%#x", node);
 923                                 nodeuser += sizeof (int);
 924                         }
 925                         tprintf("}, ");
 926                 }
 927         }
 928         if (exiting(tcp)) {
 929                 unsigned long npages = tcp->u_arg[1];
 930                 if (tcp->u_arg[4] == 0)
 931                         tprintf("NULL, ");
 932                 else {
 933                         int i;
 934                         long statususer = tcp->u_arg[4];
 935                         tprintf("{");
 936                         for (i = 0; i < npages; ++i) {
 937                                 int status;
 938                                 if (i > 0)
 939                                         tprintf(", ");
 940                                 if (umove(tcp, statususer, &status) < 0) {
 941                                         tprintf("???");
 942                                         break;
 943                                 }
 944                                 tprintf("%#x", status);
 945                                 statususer += sizeof (int);
 946                         }
 947                         tprintf("}, ");
 948                 }
 949                 printflags(move_pages_flags, tcp->u_arg[5], "MPOL_???");
 950         }
 951         return 0;
 952 }
 953 #endif
 954
 955 #if defined(LINUX) && defined(POWERPC)
 956 int
 957 sys_subpage_prot(tcp)
 958 struct tcb *tcp;
 959 {
 960         if (entering(tcp)) {
 961                 unsigned long cur, end, abbrev_end, entries;
 962                 unsigned int entry;
 963
 964                 tprintf("%#lx, %#lx, ", tcp->u_arg[0], tcp->u_arg[1]);
 965                 entries = tcp->u_arg[1] >> 16;
 966                 if (!entries || !tcp->u_arg[2]) {
 967                         tprintf("{}");
 968                         return 0;
 969                 }
 970                 cur = tcp->u_arg[2];
 971                 end = cur + (sizeof(int) * entries);
 972                 if (!verbose(tcp) || end < tcp->u_arg[2]) {
 973                         tprintf("%#lx", tcp->u_arg[2]);
 974                         return 0;
 975                 }
 976                 if (abbrev(tcp)) {
 977                         abbrev_end = cur + (sizeof(int) * max_strlen);
 978                         if (abbrev_end > end)
 979                                 abbrev_end = end;
 980                 }
 981                 else
 982                         abbrev_end = end;
 983                 tprintf("{");
 984                 for (; cur < end; cur += sizeof(int)) {
 985                         if (cur > tcp->u_arg[2])
 986                                 tprintf(", ");
 987                         if (cur >= abbrev_end) {
 988                                 tprintf("...");
 989                                 break;
 990                         }
 991                         if (umove(tcp, cur, &entry) < 0) {
 992                                 tprintf("??? [%#lx]", cur);
 993                                 break;
 994                         }
 995                         else
 996                                 tprintf("%#08x", entry);
 997                 }
 998                 tprintf("}");
 999         }
1000
1001         return 0;
1002 }
1003 #endif