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