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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         { 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
 322                 /* addr */
 323                 tprintf("%#lx, ", u_arg[0]);
 324                 /* len */
 325                 tprintf("%lu, ", u_arg[1]);
 326                 /* prot */
 327                 printflags(mmap_prot, u_arg[2], "PROT_???");
 328                 tprintf(", ");
 329                 /* flags */
 330 #ifdef MAP_TYPE
 331                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 332                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 333 #else
 334                 printflags(mmap_flags, u_arg[3], "MAP_???");
 335 #endif
 336                 /* fd */
 337                 tprintf(", %ld, ", u_arg[4]);
 338                 /* offset */
 339                 printllval(tcp, "%#llx", 5);
 340         }
 341         return RVAL_HEX;
 342 }
 343 #endif
 344
 345
 346 int
 347 sys_munmap(tcp)
 348 struct tcb *tcp;
 349 {
 350         if (entering(tcp)) {
 351                 tprintf("%#lx, %lu",
 352                         tcp->u_arg[0], tcp->u_arg[1]);
 353         }
 354         return 0;
 355 }
 356
 357 int
 358 sys_mprotect(tcp)
 359 struct tcb *tcp;
 360 {
 361         if (entering(tcp)) {
 362                 tprintf("%#lx, %lu, ",
 363                         tcp->u_arg[0], tcp->u_arg[1]);
 364                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 365         }
 366         return 0;
 367 }
 368
 369 #ifdef LINUX
 370
 371 static const struct xlat mremap_flags[] = {
 372         { MREMAP_MAYMOVE,       "MREMAP_MAYMOVE"        },
 373 #ifdef MREMAP_FIXED
 374         { MREMAP_FIXED,         "MREMAP_FIXED"          },
 375 #endif
 376         { 0,                    NULL                    }
 377 };
 378
 379 int
 380 sys_mremap(struct tcb *tcp)
 381 {
 382         if (entering(tcp)) {
 383                 tprintf("%#lx, %lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1],
 384                         tcp->u_arg[2]);
 385                 printflags(mremap_flags, tcp->u_arg[3], "MREMAP_???");
 386 #ifdef MREMAP_FIXED
 387                 if ((tcp->u_arg[3] & (MREMAP_MAYMOVE | MREMAP_FIXED)) ==
 388                     (MREMAP_MAYMOVE | MREMAP_FIXED))
 389                         tprintf(", %#lx", tcp->u_arg[4]);
 390 #endif
 391         }
 392         return RVAL_HEX;
 393 }
 394
 395 static const struct xlat madvise_cmds[] = {
 396 #ifdef MADV_NORMAL
 397         { MADV_NORMAL,          "MADV_NORMAL" },
 398 #endif
 399 #ifdef MADV_RANDOM
 400         { MADV_RANDOM,          "MADV_RANDOM" },
 401 #endif
 402 #ifdef MADV_SEQUENTIAL
 403         { MADV_SEQUENTIAL,      "MADV_SEQUENTIAL" },
 404 #endif
 405 #ifdef MADV_WILLNEED
 406         { MADV_WILLNEED,        "MADV_WILLNEED" },
 407 #endif
 408 #ifdef MADV_DONTNEED
 409         { MADV_DONTNEED,        "MADV_DONTNEED" },
 410 #endif
 411         { 0,                    NULL },
 412 };
 413
 414
 415 int
 416 sys_madvise(tcp)
 417 struct tcb *tcp;
 418 {
 419         if (entering(tcp)) {
 420                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 421                 printxval(madvise_cmds, tcp->u_arg[2], "MADV_???");
 422         }
 423         return 0;
 424 }
 425
 426
 427 static const struct xlat mlockall_flags[] = {
 428 #ifdef MCL_CURRENT
 429         { MCL_CURRENT,  "MCL_CURRENT" },
 430 #endif
 431 #ifdef MCL_FUTURE
 432         { MCL_FUTURE,   "MCL_FUTURE" },
 433 #endif
 434         { 0,            NULL}
 435 };
 436
 437 int
 438 sys_mlockall(tcp)
 439 struct tcb *tcp;
 440 {
 441         if (entering(tcp)) {
 442                 printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
 443         }
 444         return 0;
 445 }
 446
 447
 448 #endif /* LINUX */
 449
 450 #ifdef MS_ASYNC
 451
 452 static const struct xlat mctl_sync[] = {
 453 #ifdef MS_SYNC
 454         { MS_SYNC,      "MS_SYNC"       },
 455 #endif
 456         { MS_ASYNC,     "MS_ASYNC"      },
 457         { MS_INVALIDATE,"MS_INVALIDATE" },
 458         { 0,            NULL            },
 459 };
 460
 461 int
 462 sys_msync(tcp)
 463 struct tcb *tcp;
 464 {
 465         if (entering(tcp)) {
 466                 /* addr */
 467                 tprintf("%#lx", tcp->u_arg[0]);
 468                 /* len */
 469                 tprintf(", %lu, ", tcp->u_arg[1]);
 470                 /* flags */
 471                 printflags(mctl_sync, tcp->u_arg[2], "MS_???");
 472         }
 473         return 0;
 474 }
 475
 476 #endif /* MS_ASYNC */
 477
 478 #ifdef MC_SYNC
 479
 480 static const struct xlat mctl_funcs[] = {
 481         { MC_LOCK,      "MC_LOCK"       },
 482         { MC_LOCKAS,    "MC_LOCKAS"     },
 483         { MC_SYNC,      "MC_SYNC"       },
 484         { MC_UNLOCK,    "MC_UNLOCK"     },
 485         { MC_UNLOCKAS,  "MC_UNLOCKAS"   },
 486         { 0,            NULL            },
 487 };
 488
 489 static const struct xlat mctl_lockas[] = {
 490         { MCL_CURRENT,  "MCL_CURRENT"   },
 491         { MCL_FUTURE,   "MCL_FUTURE"    },
 492         { 0,            NULL            },
 493 };
 494
 495 int
 496 sys_mctl(tcp)
 497 struct tcb *tcp;
 498 {
 499         int arg, function;
 500
 501         if (entering(tcp)) {
 502                 /* addr */
 503                 tprintf("%#lx", tcp->u_arg[0]);
 504                 /* len */
 505                 tprintf(", %lu, ", tcp->u_arg[1]);
 506                 /* function */
 507                 function = tcp->u_arg[2];
 508                 printflags(mctl_funcs, function, "MC_???");
 509                 /* arg */
 510                 arg = tcp->u_arg[3];
 511                 tprintf(", ");
 512                 switch (function) {
 513                 case MC_SYNC:
 514                         printflags(mctl_sync, arg, "MS_???");
 515                         break;
 516                 case MC_LOCKAS:
 517                         printflags(mctl_lockas, arg, "MCL_???");
 518                         break;
 519                 default:
 520                         tprintf("%#x", arg);
 521                         break;
 522                 }
 523         }
 524         return 0;
 525 }
 526
 527 #endif /* MC_SYNC */
 528
 529 int
 530 sys_mincore(tcp)
 531 struct tcb *tcp;
 532 {
 533         unsigned long i, len;
 534         char *vec = NULL;
 535
 536         if (entering(tcp)) {
 537                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 538         } else {
 539                 len = tcp->u_arg[1];
 540                 if (syserror(tcp) || tcp->u_arg[2] == 0 ||
 541                         (vec = malloc(len)) == NULL ||
 542                         umoven(tcp, tcp->u_arg[2], len, vec) < 0)
 543                         tprintf("%#lx", tcp->u_arg[2]);
 544                 else {
 545                         tprintf("[");
 546                         for (i = 0; i < len; i++) {
 547                                 if (abbrev(tcp) && i >= max_strlen) {
 548                                         tprintf("...");
 549                                         break;
 550                                 }
 551                                 tprintf((vec[i] & 1) ? "1" : "0");
 552                         }
 553                         tprintf("]");
 554                 }
 555                 if (vec)
 556                         free(vec);
 557         }
 558         return 0;
 559 }
 560
 561 #if defined(ALPHA) || defined(FREEBSD) || defined(IA64) || defined(SUNOS4) || defined(SVR4) || defined(SPARC) || defined(SPARC64)
 562 int
 563 sys_getpagesize(tcp)
 564 struct tcb *tcp;
 565 {
 566         if (exiting(tcp))
 567                 return RVAL_HEX;
 568         return 0;
 569 }
 570 #endif /* ALPHA || FREEBSD || IA64 || SUNOS4 || SVR4 */
 571
 572 #if defined(LINUX) && defined(__i386__)
 573 void
 574 print_ldt_entry(struct modify_ldt_ldt_s *ldt_entry)
 575 {
 576         tprintf("base_addr:%#08lx, "
 577                 "limit:%d, "
 578                 "seg_32bit:%d, "
 579                 "contents:%d, "
 580                 "read_exec_only:%d, "
 581                 "limit_in_pages:%d, "
 582                 "seg_not_present:%d, "
 583                 "useable:%d}",
 584                 (long) ldt_entry->base_addr,
 585                 ldt_entry->limit,
 586                 ldt_entry->seg_32bit,
 587                 ldt_entry->contents,
 588                 ldt_entry->read_exec_only,
 589                 ldt_entry->limit_in_pages,
 590                 ldt_entry->seg_not_present,
 591                 ldt_entry->useable);
 592 }
 593
 594 int
 595 sys_modify_ldt(tcp)
 596 struct tcb *tcp;
 597 {
 598         if (entering(tcp)) {
 599                 struct modify_ldt_ldt_s copy;
 600                 tprintf("%ld", tcp->u_arg[0]);
 601                 if (tcp->u_arg[1] == 0
 602                                 || tcp->u_arg[2] != sizeof (struct modify_ldt_ldt_s)
 603                                 || umove(tcp, tcp->u_arg[1], &copy) == -1)
 604                         tprintf(", %lx", tcp->u_arg[1]);
 605                 else {
 606                         tprintf(", {entry_number:%d, ", copy.entry_number);
 607                         if (!verbose(tcp))
 608                                 tprintf("...}");
 609                         else {
 610                                 print_ldt_entry(&copy);
 611                         }
 612                 }
 613                 tprintf(", %lu", tcp->u_arg[2]);
 614         }
 615         return 0;
 616 }
 617
 618 int
 619 sys_set_thread_area(tcp)
 620 struct tcb *tcp;
 621 {
 622         struct modify_ldt_ldt_s copy;
 623         if (entering(tcp)) {
 624                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 625                         if (copy.entry_number == -1)
 626                                 tprintf("{entry_number:%d -> ",
 627                                         copy.entry_number);
 628                         else
 629                                 tprintf("{entry_number:");
 630                 }
 631         } else {
 632                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 633                         tprintf("%d, ", copy.entry_number);
 634                         if (!verbose(tcp))
 635                                 tprintf("...}");
 636                         else {
 637                                 print_ldt_entry(&copy);
 638                         }
 639                 } else {
 640                         tprintf("%lx", tcp->u_arg[0]);
 641                 }
 642         }
 643         return 0;
 644
 645 }
 646
 647 int
 648 sys_get_thread_area(tcp)
 649 struct tcb *tcp;
 650 {
 651         struct modify_ldt_ldt_s copy;
 652         if (exiting(tcp)) {
 653                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 654                         tprintf("{entry_number:%d, ", copy.entry_number);
 655                         if (!verbose(tcp))
 656                                 tprintf("...}");
 657                         else {
 658                                 print_ldt_entry(&copy);
 659                         }
 660                 } else {
 661                         tprintf("%lx", tcp->u_arg[0]);
 662                 }
 663         }
 664         return 0;
 665
 666 }
 667 #endif /* LINUX && __i386__ */
 668
 669 #if defined(LINUX)
 670 int
 671 sys_remap_file_pages(tcp)
 672 struct tcb *tcp;
 673 {
 674         if (entering(tcp)) {
 675                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 676                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 677                 tprintf(", %lu, ", tcp->u_arg[3]);
 678 #ifdef MAP_TYPE
 679                 printxval(mmap_flags, tcp->u_arg[4] & MAP_TYPE, "MAP_???");
 680                 addflags(mmap_flags, tcp->u_arg[4] & ~MAP_TYPE);
 681 #else
 682                 printflags(mmap_flags, tcp->u_arg[4], "MAP_???");
 683 #endif
 684         }
 685         return 0;
 686 }
 687
 688
 689 #define MPOL_DEFAULT    0
 690 #define MPOL_PREFERRED  1
 691 #define MPOL_BIND       2
 692 #define MPOL_INTERLEAVE 3
 693
 694 #define MPOL_F_NODE     (1<<0)
 695 #define MPOL_F_ADDR     (1<<1)
 696
 697 #define MPOL_MF_STRICT  (1<<0)
 698 #define MPOL_MF_MOVE    (1<<1)
 699 #define MPOL_MF_MOVE_ALL (1<<2)
 700
 701
 702 static const struct xlat policies[] = {
 703         { MPOL_DEFAULT,         "MPOL_DEFAULT"          },
 704         { MPOL_PREFERRED,       "MPOL_PREFERRED"        },
 705         { MPOL_BIND,            "MPOL_BIND"             },
 706         { MPOL_INTERLEAVE,      "MPOL_INTERLEAVE"       },
 707         { 0,                    NULL                    }
 708 };
 709
 710 static const struct xlat mbindflags[] = {
 711         { MPOL_MF_STRICT,       "MPOL_MF_STRICT"        },
 712         { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
 713         { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
 714         { 0,                    NULL                    }
 715 };
 716
 717 static const struct xlat mempolicyflags[] = {
 718         { MPOL_F_NODE,          "MPOL_F_NODE"           },
 719         { MPOL_F_ADDR,          "MPOL_F_ADDR"           },
 720         { 0,                    NULL                    }
 721 };
 722
 723 static const struct xlat move_pages_flags[] = {
 724         { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
 725         { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
 726         { 0,                    NULL                    }
 727 };
 728
 729
 730 static void
 731 get_nodes(tcp, ptr, maxnodes, err)
 732 struct tcb *tcp;
 733 unsigned long ptr;
 734 unsigned long maxnodes;
 735 int err;
 736 {
 737         unsigned long nlongs, size, end;
 738
 739         nlongs = (maxnodes + 8 * sizeof(long) - 1) / (8 * sizeof(long));
 740         size = nlongs * sizeof(long);
 741         end = ptr + size;
 742         if (nlongs == 0 || ((err || verbose(tcp)) && (size * 8 == maxnodes)
 743                             && (end > ptr))) {
 744                 unsigned long n, cur, abbrev_end;
 745                 int failed = 0;
 746
 747                 if (abbrev(tcp)) {
 748                         abbrev_end = ptr + max_strlen * sizeof(long);
 749                         if (abbrev_end < ptr)
 750                                 abbrev_end = end;
 751                 } else {
 752                         abbrev_end = end;
 753                 }
 754                 tprintf(", {");
 755                 for (cur = ptr; cur < end; cur += sizeof(long)) {
 756                         if (cur > ptr)
 757                                 tprintf(", ");
 758                         if (cur >= abbrev_end) {
 759                                 tprintf("...");
 760                                 break;
 761                         }
 762                         if (umoven(tcp, cur, sizeof(n), (char *) &n) < 0) {
 763                                 tprintf("?");
 764                                 failed = 1;
 765                                 break;
 766                         }
 767                         tprintf("%#0*lx", (int) sizeof(long) * 2 + 2, n);
 768                 }
 769                 tprintf("}");
 770                 if (failed)
 771                         tprintf(" %#lx", ptr);
 772         } else
 773                 tprintf(", %#lx", ptr);
 774         tprintf(", %lu", maxnodes);
 775 }
 776
 777 int
 778 sys_mbind(tcp)
 779 struct tcb *tcp;
 780 {
 781         if (entering(tcp)) {
 782                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 783                 printxval(policies, tcp->u_arg[2], "MPOL_???");
 784                 get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0);
 785                 tprintf(", ");
 786                 printflags(mbindflags, tcp->u_arg[5], "MPOL_???");
 787         }
 788         return 0;
 789 }
 790
 791 int
 792 sys_set_mempolicy(tcp)
 793 struct tcb *tcp;
 794 {
 795         if (entering(tcp)) {
 796                 printxval(policies, tcp->u_arg[0], "MPOL_???");
 797                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
 798         }
 799         return 0;
 800 }
 801
 802 int
 803 sys_get_mempolicy(tcp)
 804 struct tcb *tcp;
 805 {
 806         if (exiting(tcp)) {
 807                 int pol;
 808                 if (tcp->u_arg[0] == 0)
 809                         tprintf("NULL");
 810                 else if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &pol) < 0)
 811                         tprintf("%#lx", tcp->u_arg[0]);
 812                 else
 813                         printxval(policies, pol, "MPOL_???");
 814                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp));
 815                 tprintf(", %#lx, ", tcp->u_arg[3]);
 816                 printflags(mempolicyflags, tcp->u_arg[4], "MPOL_???");
 817         }
 818         return 0;
 819 }
 820
 821 int
 822 sys_move_pages(tcp)
 823 struct tcb *tcp;
 824 {
 825         if (entering(tcp)) {
 826                 unsigned long npages = tcp->u_arg[1];
 827                 tprintf("%ld, %lu, ", tcp->u_arg[0], npages);
 828                 if (tcp->u_arg[2] == 0)
 829                         tprintf("NULL, ");
 830                 else {
 831                         int i;
 832                         long puser = tcp->u_arg[2];
 833                         tprintf("{");
 834                         for (i = 0; i < npages; ++i) {
 835                                 void *p;
 836                                 if (i > 0)
 837                                         tprintf(", ");
 838                                 if (umove(tcp, puser, &p) < 0) {
 839                                         tprintf("???");
 840                                         break;
 841                                 }
 842                                 tprintf("%p", p);
 843                                 puser += sizeof (void *);
 844                         }
 845                         tprintf("}, ");
 846                 }
 847                 if (tcp->u_arg[3] == 0)
 848                         tprintf("NULL, ");
 849                 else {
 850                         int i;
 851                         long nodeuser = tcp->u_arg[3];
 852                         tprintf("{");
 853                         for (i = 0; i < npages; ++i) {
 854                                 int node;
 855                                 if (i > 0)
 856                                         tprintf(", ");
 857                                 if (umove(tcp, nodeuser, &node) < 0) {
 858                                         tprintf("???");
 859                                         break;
 860                                 }
 861                                 tprintf("%#x", node);
 862                                 nodeuser += sizeof (int);
 863                         }
 864                         tprintf("}, ");
 865                 }
 866         }
 867         if (exiting(tcp)) {
 868                 unsigned long npages = tcp->u_arg[1];
 869                 if (tcp->u_arg[4] == 0)
 870                         tprintf("NULL, ");
 871                 else {
 872                         int i;
 873                         long statususer = tcp->u_arg[4];
 874                         tprintf("{");
 875                         for (i = 0; i < npages; ++i) {
 876                                 int status;
 877                                 if (i > 0)
 878                                         tprintf(", ");
 879                                 if (umove(tcp, statususer, &status) < 0) {
 880                                         tprintf("???");
 881                                         break;
 882                                 }
 883                                 tprintf("%#x", status);
 884                                 statususer += sizeof (int);
 885                         }
 886                         tprintf("}, ");
 887                 }
 888                 printflags(move_pages_flags, tcp->u_arg[5], "MPOL_???");
 889         }
 890         return 0;
 891 }
 892 #endif
 893
 894 #if defined(LINUX) && defined(POWERPC)
 895 int
 896 sys_subpage_prot(tcp)
 897 struct tcb *tcp;
 898 {
 899         if (entering(tcp)) {
 900                 unsigned long cur, end, abbrev_end, entries;
 901                 unsigned int entry;
 902
 903                 tprintf("%#lx, %#lx, ", tcp->u_arg[0], tcp->u_arg[1]);
 904                 entries = tcp->u_arg[1] >> 16;
 905                 if (!entries || !tcp->u_arg[2]) {
 906                         tprintf("{}");
 907                         return 0;
 908                 }
 909                 cur = tcp->u_arg[2];
 910                 end = cur + (sizeof(int) * entries);
 911                 if (!verbose(tcp) || end < tcp->u_arg[2]) {
 912                         tprintf("%#lx", tcp->u_arg[2]);
 913                         return 0;
 914                 }
 915                 if (abbrev(tcp)) {
 916                         abbrev_end = cur + (sizeof(int) * max_strlen);
 917                         if (abbrev_end > end)
 918                                 abbrev_end = end;
 919                 }
 920                 else
 921                         abbrev_end = end;
 922                 tprintf("{");
 923                 for (; cur < end; cur += sizeof(int)) {
 924                         if (cur > tcp->u_arg[2])
 925                                 tprintf(", ");
 926                         if (cur >= abbrev_end) {
 927                                 tprintf("...");
 928                                 break;
 929                         }
 930                         if (umove(tcp, cur, &entry) < 0) {
 931                                 tprintf("??? [%#lx]", cur);
 932                                 break;
 933                         }
 934                         else
 935                                 tprintf("%#08x", entry);
 936                 }
 937                 tprintf("}");
 938         }
 939
 940         return 0;
 941 }
 942 #endif