user/strace/mem.c

   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         { 0,            NULL            },
 192 };
 193
 194 #if !HAVE_LONG_LONG_OFF_T
 195 static
 196 int
 197 print_mmap(tcp,u_arg, offset)
 198 struct tcb *tcp;
 199 long *u_arg;
 200 long long offset;
 201 {
 202         if (entering(tcp)) {
 203                 /* addr */
 204                 if (!u_arg[0])
 205                         tprintf("NULL, ");
 206                 else
 207                         tprintf("%#lx, ", u_arg[0]);
 208                 /* len */
 209                 tprintf("%lu, ", u_arg[1]);
 210                 /* prot */
 211                 printflags(mmap_prot, u_arg[2], "PROT_???");
 212                 tprintf(", ");
 213                 /* flags */
 214 #ifdef MAP_TYPE
 215                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 216                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 217 #else
 218                 printflags(mmap_flags, u_arg[3], "MAP_???");
 219 #endif
 220                 /* fd (is always int, not long) */
 221                 tprintf(", %d, ", (int)u_arg[4]);
 222                 /* offset */
 223                 tprintf("%#llx", offset);
 224         }
 225         return RVAL_HEX;
 226 }
 227
 228 #ifdef LINUX
 229 int sys_old_mmap(tcp)
 230 struct tcb *tcp;
 231 {
 232         long u_arg[6];
 233
 234 #if     defined(IA64)
 235         int i, v;
 236         /*
 237          *  IA64 processes never call this routine, they only use the
 238          *  new `sys_mmap' interface.  This code converts the integer
 239          *  arguments that the IA32 process pushed onto the stack into
 240          *  longs.
 241          *
 242          *  Note that addresses with bit 31 set will be sign extended.
 243          *  Fortunately, those addresses are not currently being generated
 244          *  for IA32 processes so it's not a problem.
 245          */
 246         for (i = 0; i < 6; i++)
 247                 if (umove(tcp, tcp->u_arg[0] + (i * sizeof(int)), &v) == -1)
 248                         return 0;
 249                 else
 250                         u_arg[i] = v;
 251 #elif defined(SH) || defined(SH64)
 252         /* SH has always passed the args in registers */
 253         int i;
 254         for (i=0; i<6; i++)
 255                 u_arg[i] = tcp->u_arg[i];
 256 #else
 257 # if defined(X86_64)
 258         if (current_personality == 1) {
 259                 int i;
 260                 for (i = 0; i < 6; ++i) {
 261                         unsigned int val;
 262                         if (umove(tcp, tcp->u_arg[0] + i * 4, &val) == -1)
 263                                 return 0;
 264                         u_arg[i] = val;
 265                 }
 266         }
 267         else
 268 # endif
 269         if (umoven(tcp, tcp->u_arg[0], sizeof u_arg, (char *) u_arg) == -1)
 270                 return 0;
 271 #endif  // defined(IA64)
 272         return print_mmap(tcp, u_arg, u_arg[5]);
 273 }
 274 #endif
 275
 276 int
 277 sys_mmap(tcp)
 278 struct tcb *tcp;
 279 {
 280         long long offset = tcp->u_arg[5];
 281
 282 #if defined(LINUX) && defined(SH64)
 283         /*
 284          * Old mmap differs from new mmap in specifying the
 285          * offset in units of bytes rather than pages.  We
 286          * pretend it's in byte units so the user only ever
 287          * sees bytes in the printout.
 288          */
 289         offset <<= PAGE_SHIFT;
 290 #endif
 291 #if defined(LINUX_MIPSN32)
 292         offset = tcp->ext_arg[5];
 293 #endif
 294         return print_mmap(tcp, tcp->u_arg, offset);
 295 }
 296 #endif /* !HAVE_LONG_LONG_OFF_T */
 297
 298 #if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
 299 int
 300 sys_mmap64(tcp)
 301 struct tcb *tcp;
 302 {
 303 #ifdef linux
 304 #ifdef ALPHA
 305         long *u_arg = tcp->u_arg;
 306 #else /* !ALPHA */
 307         long u_arg[7];
 308 #endif /* !ALPHA */
 309 #else /* !linux */
 310         long *u_arg = tcp->u_arg;
 311 #endif /* !linux */
 312
 313         if (entering(tcp)) {
 314 #ifdef linux
 315 #ifndef ALPHA
 316                 if (umoven(tcp, tcp->u_arg[0], sizeof u_arg,
 317                                 (char *) u_arg) == -1)
 318                         return 0;
 319 #endif /* ALPHA */
 320 #endif /* linux */
 321                 ALIGN64 (tcp, 5);       /* FreeBSD wierdies */
 322
 323                 /* addr */
 324                 tprintf("%#lx, ", u_arg[0]);
 325                 /* len */
 326                 tprintf("%lu, ", u_arg[1]);
 327                 /* prot */
 328                 printflags(mmap_prot, u_arg[2], "PROT_???");
 329                 tprintf(", ");
 330                 /* flags */
 331 #ifdef MAP_TYPE
 332                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 333                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 334 #else
 335                 printflags(mmap_flags, u_arg[3], "MAP_???");
 336 #endif
 337                 /* fd */
 338                 tprintf(", %ld, ", u_arg[4]);
 339                 /* offset */
 340                 tprintf("%#llx", LONG_LONG(u_arg[5], u_arg[6]));
 341         }
 342         return RVAL_HEX;
 343 }
 344 #endif
 345
 346
 347 int
 348 sys_munmap(tcp)
 349 struct tcb *tcp;
 350 {
 351         if (entering(tcp)) {
 352                 tprintf("%#lx, %lu",
 353                         tcp->u_arg[0], tcp->u_arg[1]);
 354         }
 355         return 0;
 356 }
 357
 358 int
 359 sys_mprotect(tcp)
 360 struct tcb *tcp;
 361 {
 362         if (entering(tcp)) {
 363                 tprintf("%#lx, %lu, ",
 364                         tcp->u_arg[0], tcp->u_arg[1]);
 365                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 366         }
 367         return 0;
 368 }
 369
 370 #ifdef LINUX
 371
 372 static const struct xlat mremap_flags[] = {
 373         { MREMAP_MAYMOVE,       "MREMAP_MAYMOVE"        },
 374         { 0,                    NULL                    }
 375 };
 376
 377 int
 378 sys_mremap(tcp)
 379 struct tcb *tcp;
 380 {
 381         if (entering(tcp)) {
 382                 tprintf("%#lx, %lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1],
 383                         tcp->u_arg[2]);
 384                 printflags(mremap_flags, tcp->u_arg[3], "MREMAP_???");
 385         }
 386         return RVAL_HEX;
 387 }
 388
 389 static const struct xlat madvise_cmds[] = {
 390 #ifdef MADV_NORMAL
 391         { MADV_NORMAL,          "MADV_NORMAL" },
 392 #endif
 393 #ifdef MADV_RANDOM
 394         { MADV_RANDOM,          "MADV_RANDOM" },
 395 #endif
 396 #ifdef MADV_SEQUENTIAL
 397         { MADV_SEQUENTIAL,      "MADV_SEQUENTIAL" },
 398 #endif
 399 #ifdef MADV_WILLNEED
 400         { MADV_WILLNEED,        "MADV_WILLNEED" },
 401 #endif
 402 #ifdef MADV_DONTNEED
 403         { MADV_DONTNEED,        "MADV_DONTNEED" },
 404 #endif
 405         { 0,                    NULL },
 406 };
 407
 408
 409 int
 410 sys_madvise(tcp)
 411 struct tcb *tcp;
 412 {
 413         if (entering(tcp)) {
 414                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 415                 printxval(madvise_cmds, tcp->u_arg[2], "MADV_???");
 416         }
 417         return 0;
 418 }
 419
 420
 421 static const struct xlat mlockall_flags[] = {
 422 #ifdef MCL_CURRENT
 423         { MCL_CURRENT,  "MCL_CURRENT" },
 424 #endif
 425 #ifdef MCL_FUTURE
 426         { MCL_FUTURE,   "MCL_FUTURE" },
 427 #endif
 428         { 0,            NULL}
 429 };
 430
 431 int
 432 sys_mlockall(tcp)
 433 struct tcb *tcp;
 434 {
 435         if (entering(tcp)) {
 436                 printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
 437         }
 438         return 0;
 439 }
 440
 441
 442 #endif /* LINUX */
 443
 444 #ifdef MS_ASYNC
 445
 446 static const struct xlat mctl_sync[] = {
 447 #ifdef MS_SYNC
 448         { MS_SYNC,      "MS_SYNC"       },
 449 #endif
 450         { MS_ASYNC,     "MS_ASYNC"      },
 451         { MS_INVALIDATE,"MS_INVALIDATE" },
 452         { 0,            NULL            },
 453 };
 454
 455 int
 456 sys_msync(tcp)
 457 struct tcb *tcp;
 458 {
 459         if (entering(tcp)) {
 460                 /* addr */
 461                 tprintf("%#lx", tcp->u_arg[0]);
 462                 /* len */
 463                 tprintf(", %lu, ", tcp->u_arg[1]);
 464                 /* flags */
 465                 printflags(mctl_sync, tcp->u_arg[2], "MS_???");
 466         }
 467         return 0;
 468 }
 469
 470 #endif /* MS_ASYNC */
 471
 472 #ifdef MC_SYNC
 473
 474 static const struct xlat mctl_funcs[] = {
 475         { MC_LOCK,      "MC_LOCK"       },
 476         { MC_LOCKAS,    "MC_LOCKAS"     },
 477         { MC_SYNC,      "MC_SYNC"       },
 478         { MC_UNLOCK,    "MC_UNLOCK"     },
 479         { MC_UNLOCKAS,  "MC_UNLOCKAS"   },
 480         { 0,            NULL            },
 481 };
 482
 483 static const struct xlat mctl_lockas[] = {
 484         { MCL_CURRENT,  "MCL_CURRENT"   },
 485         { MCL_FUTURE,   "MCL_FUTURE"    },
 486         { 0,            NULL            },
 487 };
 488
 489 int
 490 sys_mctl(tcp)
 491 struct tcb *tcp;
 492 {
 493         int arg, function;
 494
 495         if (entering(tcp)) {
 496                 /* addr */
 497                 tprintf("%#lx", tcp->u_arg[0]);
 498                 /* len */
 499                 tprintf(", %lu, ", tcp->u_arg[1]);
 500                 /* function */
 501                 function = tcp->u_arg[2];
 502                 printflags(mctl_funcs, function, "MC_???");
 503                 /* arg */
 504                 arg = tcp->u_arg[3];
 505                 tprintf(", ");
 506                 switch (function) {
 507                 case MC_SYNC:
 508                         printflags(mctl_sync, arg, "MS_???");
 509                         break;
 510                 case MC_LOCKAS:
 511                         printflags(mctl_lockas, arg, "MCL_???");
 512                         break;
 513                 default:
 514                         tprintf("%#x", arg);
 515                         break;
 516                 }
 517         }
 518         return 0;
 519 }
 520
 521 #endif /* MC_SYNC */
 522
 523 int
 524 sys_mincore(tcp)
 525 struct tcb *tcp;
 526 {
 527         unsigned long i, len;
 528         char *vec = NULL;
 529
 530         if (entering(tcp)) {
 531                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 532         } else {
 533                 len = tcp->u_arg[1];
 534                 if (syserror(tcp) || tcp->u_arg[2] == 0 ||
 535                         (vec = malloc(len)) == NULL ||
 536                         umoven(tcp, tcp->u_arg[2], len, vec) < 0)
 537                         tprintf("%#lx", tcp->u_arg[2]);
 538                 else {
 539                         tprintf("[");
 540                         for (i = 0; i < len; i++) {
 541                                 if (abbrev(tcp) && i >= max_strlen) {
 542                                         tprintf("...");
 543                                         break;
 544                                 }
 545                                 tprintf((vec[i] & 1) ? "1" : "0");
 546                         }
 547                         tprintf("]");
 548                 }
 549                 if (vec)
 550                         free(vec);
 551         }
 552         return 0;
 553 }
 554
 555 #if defined(ALPHA) || defined(FREEBSD) || defined(IA64) || defined(SUNOS4) || defined(SVR4) || defined(SPARC) || defined(SPARC64)
 556 int
 557 sys_getpagesize(tcp)
 558 struct tcb *tcp;
 559 {
 560         if (exiting(tcp))
 561                 return RVAL_HEX;
 562         return 0;
 563 }
 564 #endif /* ALPHA || FREEBSD || IA64 || SUNOS4 || SVR4 */
 565
 566 #if defined(LINUX) && defined(__i386__)
 567 void
 568 print_ldt_entry(struct modify_ldt_ldt_s *ldt_entry)
 569 {
 570         tprintf("base_addr:%#08lx, "
 571                 "limit:%d, "
 572                 "seg_32bit:%d, "
 573                 "contents:%d, "
 574                 "read_exec_only:%d, "
 575                 "limit_in_pages:%d, "
 576                 "seg_not_present:%d, "
 577                 "useable:%d}",
 578                 (long) ldt_entry->base_addr,
 579                 ldt_entry->limit,
 580                 ldt_entry->seg_32bit,
 581                 ldt_entry->contents,
 582                 ldt_entry->read_exec_only,
 583                 ldt_entry->limit_in_pages,
 584                 ldt_entry->seg_not_present,
 585                 ldt_entry->useable);
 586 }
 587
 588 int
 589 sys_modify_ldt(tcp)
 590 struct tcb *tcp;
 591 {
 592         if (entering(tcp)) {
 593                 struct modify_ldt_ldt_s copy;
 594                 tprintf("%ld", tcp->u_arg[0]);
 595                 if (tcp->u_arg[1] == 0
 596                                 || tcp->u_arg[2] != sizeof (struct modify_ldt_ldt_s)
 597                                 || umove(tcp, tcp->u_arg[1], &copy) == -1)
 598                         tprintf(", %lx", tcp->u_arg[1]);
 599                 else {
 600                         tprintf(", {entry_number:%d, ", copy.entry_number);
 601                         if (!verbose(tcp))
 602                                 tprintf("...}");
 603                         else {
 604                                 print_ldt_entry(&copy);
 605                         }
 606                 }
 607                 tprintf(", %lu", tcp->u_arg[2]);
 608         }
 609         return 0;
 610 }
 611
 612 int
 613 sys_set_thread_area(tcp)
 614 struct tcb *tcp;
 615 {
 616         struct modify_ldt_ldt_s copy;
 617         if (entering(tcp)) {
 618                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 619                         if (copy.entry_number == -1)
 620                                 tprintf("{entry_number:%d -> ",
 621                                         copy.entry_number);
 622                         else
 623                                 tprintf("{entry_number:");
 624                 }
 625         } else {
 626                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 627                         tprintf("%d, ", copy.entry_number);
 628                         if (!verbose(tcp))
 629                                 tprintf("...}");
 630                         else {
 631                                 print_ldt_entry(&copy);
 632                         }
 633                 } else {
 634                         tprintf("%lx", tcp->u_arg[0]);
 635                 }
 636         }
 637         return 0;
 638
 639 }
 640
 641 int
 642 sys_get_thread_area(tcp)
 643 struct tcb *tcp;
 644 {
 645         struct modify_ldt_ldt_s copy;
 646         if (exiting(tcp)) {
 647                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 648                         tprintf("{entry_number:%d, ", copy.entry_number);
 649                         if (!verbose(tcp))
 650                                 tprintf("...}");
 651                         else {
 652                                 print_ldt_entry(&copy);
 653                         }
 654                 } else {
 655                         tprintf("%lx", tcp->u_arg[0]);
 656                 }
 657         }
 658         return 0;
 659
 660 }
 661 #endif /* LINUX && __i386__ */
 662
 663 #if defined(LINUX)
 664 int
 665 sys_remap_file_pages(tcp)
 666 struct tcb *tcp;
 667 {
 668         if (entering(tcp)) {
 669                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 670                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 671                 tprintf(", %lu, ", tcp->u_arg[3]);
 672 #ifdef MAP_TYPE
 673                 printxval(mmap_flags, tcp->u_arg[4] & MAP_TYPE, "MAP_???");
 674                 addflags(mmap_flags, tcp->u_arg[4] & ~MAP_TYPE);
 675 #else
 676                 printflags(mmap_flags, tcp->u_arg[4], "MAP_???");
 677 #endif
 678         }
 679         return 0;
 680 }
 681
 682
 683 #define MPOL_DEFAULT    0
 684 #define MPOL_PREFERRED  1
 685 #define MPOL_BIND       2
 686 #define MPOL_INTERLEAVE 3
 687
 688 #define MPOL_F_NODE     (1<<0)
 689 #define MPOL_F_ADDR     (1<<1)
 690
 691 #define MPOL_MF_STRICT  (1<<0)
 692 #define MPOL_MF_MOVE    (1<<1)
 693 #define MPOL_MF_MOVE_ALL (1<<2)
 694
 695
 696 static const struct xlat policies[] = {
 697         { MPOL_DEFAULT,         "MPOL_DEFAULT"          },
 698         { MPOL_PREFERRED,       "MPOL_PREFERRED"        },
 699         { MPOL_BIND,            "MPOL_BIND"             },
 700         { MPOL_INTERLEAVE,      "MPOL_INTERLEAVE"       },
 701         { 0,                    NULL                    }
 702 };
 703
 704 static const struct xlat mbindflags[] = {
 705         { MPOL_MF_STRICT,       "MPOL_MF_STRICT"        },
 706         { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
 707         { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
 708         { 0,                    NULL                    }
 709 };
 710
 711 static const struct xlat mempolicyflags[] = {
 712         { MPOL_F_NODE,          "MPOL_F_NODE"           },
 713         { MPOL_F_ADDR,          "MPOL_F_ADDR"           },
 714         { 0,                    NULL                    }
 715 };
 716
 717 static const struct xlat move_pages_flags[] = {
 718         { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
 719         { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
 720         { 0,                    NULL                    }
 721 };
 722
 723
 724 static void
 725 get_nodes(tcp, ptr, maxnodes, err)
 726 struct tcb *tcp;
 727 unsigned long ptr;
 728 unsigned long maxnodes;
 729 int err;
 730 {
 731         unsigned long nlongs, size, end;
 732
 733         nlongs = (maxnodes + 8 * sizeof(long) - 1) / (8 * sizeof(long));
 734         size = nlongs * sizeof(long);
 735         end = ptr + size;
 736         if (nlongs == 0 || ((err || verbose(tcp)) && (size * 8 == maxnodes)
 737                             && (end > ptr))) {
 738                 unsigned long n, cur, abbrev_end;
 739                 int failed = 0;
 740
 741                 if (abbrev(tcp)) {
 742                         abbrev_end = ptr + max_strlen * sizeof(long);
 743                         if (abbrev_end < ptr)
 744                                 abbrev_end = end;
 745                 } else {
 746                         abbrev_end = end;
 747                 }
 748                 tprintf(", {");
 749                 for (cur = ptr; cur < end; cur += sizeof(long)) {
 750                         if (cur > ptr)
 751                                 tprintf(", ");
 752                         if (cur >= abbrev_end) {
 753                                 tprintf("...");
 754                                 break;
 755                         }
 756                         if (umoven(tcp, cur, sizeof(n), (char *) &n) < 0) {
 757                                 tprintf("?");
 758                                 failed = 1;
 759                                 break;
 760                         }
 761                         tprintf("%#0*lx", (int) sizeof(long) * 2 + 2, n);
 762                 }
 763                 tprintf("}");
 764                 if (failed)
 765                         tprintf(" %#lx", ptr);
 766         } else
 767                 tprintf(", %#lx", ptr);
 768         tprintf(", %lu", maxnodes);
 769 }
 770
 771 int
 772 sys_mbind(tcp)
 773 struct tcb *tcp;
 774 {
 775         if (entering(tcp)) {
 776                 tprintf("%lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 777                 printxval(policies, tcp->u_arg[2], "MPOL_???");
 778                 get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0);
 779                 tprintf(", ");
 780                 printflags(mbindflags, tcp->u_arg[5], "MPOL_???");
 781         }
 782         return 0;
 783 }
 784
 785 int
 786 sys_set_mempolicy(tcp)
 787 struct tcb *tcp;
 788 {
 789         if (entering(tcp)) {
 790                 printxval(policies, tcp->u_arg[0], "MPOL_???");
 791                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
 792         }
 793         return 0;
 794 }
 795
 796 int
 797 sys_get_mempolicy(tcp)
 798 struct tcb *tcp;
 799 {
 800         if (exiting(tcp)) {
 801                 int pol;
 802                 if (tcp->u_arg[0] == 0)
 803                         tprintf("NULL");
 804                 else if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &pol) < 0)
 805                         tprintf("%#lx", tcp->u_arg[0]);
 806                 else
 807                         printxval(policies, pol, "MPOL_???");
 808                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp));
 809                 tprintf(", %#lx, ", tcp->u_arg[3]);
 810                 printflags(mempolicyflags, tcp->u_arg[4], "MPOL_???");
 811         }
 812         return 0;
 813 }
 814
 815 int
 816 sys_move_pages(tcp)
 817 struct tcb *tcp;
 818 {
 819         if (entering(tcp)) {
 820                 unsigned long npages = tcp->u_arg[1];
 821                 tprintf("%ld, %lu, ", tcp->u_arg[0], npages);
 822                 if (tcp->u_arg[2] == 0)
 823                         tprintf("NULL, ");
 824                 else {
 825                         int i;
 826                         long puser = tcp->u_arg[2];
 827                         tprintf("{");
 828                         for (i = 0; i < npages; ++i) {
 829                                 void *p;
 830                                 if (i > 0)
 831                                         tprintf(", ");
 832                                 if (umove(tcp, puser, &p) < 0) {
 833                                         tprintf("???");
 834                                         break;
 835                                 }
 836                                 tprintf("%p", p);
 837                                 puser += sizeof (void *);
 838                         }
 839                         tprintf("}, ");
 840                 }
 841                 if (tcp->u_arg[3] == 0)
 842                         tprintf("NULL, ");
 843                 else {
 844                         int i;
 845                         long nodeuser = tcp->u_arg[3];
 846                         tprintf("{");
 847                         for (i = 0; i < npages; ++i) {
 848                                 int node;
 849                                 if (i > 0)
 850                                         tprintf(", ");
 851                                 if (umove(tcp, nodeuser, &node) < 0) {
 852                                         tprintf("???");
 853                                         break;
 854                                 }
 855                                 tprintf("%#x", node);
 856                                 nodeuser += sizeof (int);
 857                         }
 858                         tprintf("}, ");
 859                 }
 860         }
 861         if (exiting(tcp)) {
 862                 unsigned long npages = tcp->u_arg[1];
 863                 if (tcp->u_arg[4] == 0)
 864                         tprintf("NULL, ");
 865                 else {
 866                         int i;
 867                         long statususer = tcp->u_arg[4];
 868                         tprintf("{");
 869                         for (i = 0; i < npages; ++i) {
 870                                 int status;
 871                                 if (i > 0)
 872                                         tprintf(", ");
 873                                 if (umove(tcp, statususer, &status) < 0) {
 874                                         tprintf("???");
 875                                         break;
 876                                 }
 877                                 tprintf("%#x", status);
 878                                 statususer += sizeof (int);
 879                         }
 880                         tprintf("}, ");
 881                 }
 882                 printflags(move_pages_flags, tcp->u_arg[5], "MPOL_???");
 883         }
 884         return 0;
 885 }
 886 #endif
 887
 888 #if defined(LINUX) && defined(POWERPC)
 889 int
 890 sys_subpage_prot(tcp)
 891 struct tcb *tcp;
 892 {
 893         if (entering(tcp)) {
 894                 unsigned long cur, end, abbrev_end, entries;
 895                 unsigned int entry;
 896
 897                 tprintf("%#lx, %#lx, ", tcp->u_arg[0], tcp->u_arg[1]);
 898                 entries = tcp->u_arg[1] >> 16;
 899                 if (!entries || !tcp->u_arg[2]) {
 900                         tprintf("{}");
 901                         return 0;
 902                 }
 903                 cur = tcp->u_arg[2];
 904                 end = cur + (sizeof(int) * entries);
 905                 if (!verbose(tcp) || end < tcp->u_arg[2]) {
 906                         tprintf("%#lx", tcp->u_arg[2]);
 907                         return 0;
 908                 }
 909                 if (abbrev(tcp)) {
 910                         abbrev_end = cur + (sizeof(int) * max_strlen);
 911                         if (abbrev_end > end)
 912                                 abbrev_end = end;
 913                 }
 914                 else
 915                         abbrev_end = end;
 916                 tprintf("{");
 917                 for (; cur < end; cur += sizeof(int)) {
 918                         if (cur > tcp->u_arg[2])
 919                                 tprintf(", ");
 920                         if (cur >= abbrev_end) {
 921                                 tprintf("...");
 922                                 break;
 923                         }
 924                         if (umove(tcp, cur, &entry) < 0) {
 925                                 tprintf("??? [%#lx]", cur);
 926                                 break;
 927                         }
 928                         else
 929                                 tprintf("%#08x", entry);
 930                 }
 931                 tprintf("}");
 932         }
 933
 934         return 0;
 935 }
 936 #endif