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   1 /*
   2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
   3  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
   4  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
   5  * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
   6  * Copyright (c) 2000 PocketPenguins Inc.  Linux for Hitachi SuperH
   7  *                    port by Greg Banks <gbanks@pocketpenguins.com>
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  *      $Id$
  33  */
  34
  35 #include "defs.h"
  36
  37 #ifdef LINUX
  38 #include <asm/mman.h>
  39 #endif
  40 #include <sys/mman.h>
  41
  42 #if defined(LINUX) && defined(I386)
  43 #include <asm/ldt.h>
  44 # ifdef HAVE_STRUCT_USER_DESC
  45 #  define modify_ldt_ldt_s user_desc
  46 # endif
  47 #endif
  48 #if defined(LINUX) && defined(SH64)
  49 #include <asm/page.h>       /* for PAGE_SHIFT */
  50 #endif
  51
  52 #ifdef HAVE_LONG_LONG_OFF_T
  53 /*
  54  * Ugly hacks for systems that have a long long off_t
  55  */
  56 #define sys_mmap64      sys_mmap
  57 #endif
  58
  59 int
  60 sys_brk(tcp)
  61 struct tcb *tcp;
  62 {
  63         if (entering(tcp)) {
  64                 tprintf("%#lx", tcp->u_arg[0]);
  65         }
  66 #ifdef LINUX
  67         return RVAL_HEX;
  68 #else
  69         return 0;
  70 #endif
  71 }
  72
  73 #if defined(FREEBSD) || defined(SUNOS4)
  74 int
  75 sys_sbrk(tcp)
  76 struct tcb *tcp;
  77 {
  78         if (entering(tcp)) {
  79                 tprintf("%lu", tcp->u_arg[0]);
  80         }
  81         return RVAL_HEX;
  82 }
  83 #endif /* FREEBSD || SUNOS4 */
  84
  85 static const struct xlat mmap_prot[] = {
  86         { PROT_NONE,    "PROT_NONE",    },
  87         { PROT_READ,    "PROT_READ"     },
  88         { PROT_WRITE,   "PROT_WRITE"    },
  89         { PROT_EXEC,    "PROT_EXEC"     },
  90 #ifdef PROT_SEM
  91         { PROT_SEM,     "PROT_SEM"      },
  92 #endif
  93 #ifdef PROT_GROWSDOWN
  94         { PROT_GROWSDOWN,"PROT_GROWSDOWN"},
  95 #endif
  96 #ifdef PROT_GROWSUP
  97         { PROT_GROWSUP, "PROT_GROWSUP"  },
  98 #endif
  99 #ifdef PROT_SAO
 100         { PROT_SAO,     "PROT_SAO"      },
 101 #endif
 102         { 0,            NULL            },
 103 };
 104
 105 static const struct xlat mmap_flags[] = {
 106         { MAP_SHARED,   "MAP_SHARED"    },
 107         { MAP_PRIVATE,  "MAP_PRIVATE"   },
 108         { MAP_FIXED,    "MAP_FIXED"     },
 109 #ifdef MAP_ANONYMOUS
 110         { MAP_ANONYMOUS,"MAP_ANONYMOUS" },
 111 #endif
 112 #ifdef MAP_32BIT
 113         { MAP_32BIT,    "MAP_32BIT"     },
 114 #endif
 115 #ifdef MAP_RENAME
 116         { MAP_RENAME,   "MAP_RENAME"    },
 117 #endif
 118 #ifdef MAP_NORESERVE
 119         { MAP_NORESERVE,"MAP_NORESERVE" },
 120 #endif
 121 #ifdef MAP_POPULATE
 122         { MAP_POPULATE, "MAP_POPULATE" },
 123 #endif
 124 #ifdef MAP_NONBLOCK
 125         { MAP_NONBLOCK, "MAP_NONBLOCK" },
 126 #endif
 127         /*
 128          * XXX - this was introduced in SunOS 4.x to distinguish between
 129          * the old pre-4.x "mmap()", which:
 130          *
 131          *      only let you map devices with an "mmap" routine (e.g.,
 132          *      frame buffers) in;
 133          *
 134          *      required you to specify the mapping address;
 135          *
 136          *      returned 0 on success and -1 on failure;
 137          *
 138          * memory and which, and the 4.x "mmap()" which:
 139          *
 140          *      can map plain files;
 141          *
 142          *      can be asked to pick where to map the file;
 143          *
 144          *      returns the address where it mapped the file on success
 145          *      and -1 on failure.
 146          *
 147          * It's not actually used in source code that calls "mmap()"; the
 148          * "mmap()" routine adds it for you.
 149          *
 150          * It'd be nice to come up with some way of eliminating it from
 151          * the flags, e.g. reporting calls *without* it as "old_mmap()"
 152          * and calls with it as "mmap()".
 153          */
 154 #ifdef _MAP_NEW
 155         { _MAP_NEW,     "_MAP_NEW"      },
 156 #endif
 157 #ifdef MAP_GROWSDOWN
 158         { MAP_GROWSDOWN,"MAP_GROWSDOWN" },
 159 #endif
 160 #ifdef MAP_DENYWRITE
 161         { MAP_DENYWRITE,"MAP_DENYWRITE" },
 162 #endif
 163 #ifdef MAP_EXECUTABLE
 164         { MAP_EXECUTABLE,"MAP_EXECUTABLE"},
 165 #endif
 166 #ifdef MAP_INHERIT
 167         { MAP_INHERIT,"MAP_INHERIT"     },
 168 #endif
 169 #ifdef MAP_FILE
 170         { MAP_FILE,"MAP_FILE"},
 171 #endif
 172 #ifdef MAP_LOCKED
 173         { MAP_LOCKED,"MAP_LOCKED"},
 174 #endif
 175         /* FreeBSD ones */
 176 #ifdef MAP_ANON
 177         { MAP_ANON,             "MAP_ANON"      },
 178 #endif
 179 #ifdef MAP_HASSEMAPHORE
 180         { MAP_HASSEMAPHORE,     "MAP_HASSEMAPHORE"      },
 181 #endif
 182 #ifdef MAP_STACK
 183         { MAP_STACK,            "MAP_STACK"     },
 184 #endif
 185 #ifdef MAP_NOSYNC
 186         { MAP_NOSYNC,           "MAP_NOSYNC"    },
 187 #endif
 188 #ifdef MAP_NOCORE
 189         { MAP_NOCORE,           "MAP_NOCORE"    },
 190 #endif
 191 #ifdef TILE
 192         { MAP_CACHE_NO_LOCAL, "MAP_CACHE_NO_LOCAL" },
 193         { MAP_CACHE_NO_L2, "MAP_CACHE_NO_L2" },
 194         { MAP_CACHE_NO_L1, "MAP_CACHE_NO_L1" },
 195 #endif
 196         { 0,            NULL            },
 197 };
 198
 199 #ifdef TILE
 200 static
 201 int
 202 addtileflags(flags)
 203 long flags;
 204 {
 205         long home = flags & _MAP_CACHE_MKHOME(_MAP_CACHE_HOME_MASK);
 206         flags &= ~_MAP_CACHE_MKHOME(_MAP_CACHE_HOME_MASK);
 207
 208         if (flags & _MAP_CACHE_INCOHERENT) {
 209                 flags &= ~_MAP_CACHE_INCOHERENT;
 210                 if (home == MAP_CACHE_HOME_NONE) {
 211                         tprintf("|MAP_CACHE_INCOHERENT");
 212                         return flags;
 213                 }
 214                 tprintf("|_MAP_CACHE_INCOHERENT");
 215         }
 216
 217         switch (home) {
 218         case 0: break;
 219         case MAP_CACHE_HOME_HERE: tprintf("|MAP_CACHE_HOME_HERE"); break;
 220         case MAP_CACHE_HOME_NONE: tprintf("|MAP_CACHE_HOME_NONE"); break;
 221         case MAP_CACHE_HOME_SINGLE: tprintf("|MAP_CACHE_HOME_SINGLE"); break;
 222         case MAP_CACHE_HOME_TASK: tprintf("|MAP_CACHE_HOME_TASK"); break;
 223         case MAP_CACHE_HOME_HASH: tprintf("|MAP_CACHE_HOME_HASH"); break;
 224         default:
 225                 tprintf("|MAP_CACHE_HOME(%d)",
 226                         (home >> _MAP_CACHE_HOME_SHIFT) );
 227                 break;
 228         }
 229
 230         return flags;
 231 }
 232 #endif
 233
 234 #if !HAVE_LONG_LONG_OFF_T
 235 static
 236 int
 237 print_mmap(tcp,u_arg, offset)
 238 struct tcb *tcp;
 239 long *u_arg;
 240 long long offset;
 241 {
 242         if (entering(tcp)) {
 243                 /* addr */
 244                 if (!u_arg[0])
 245                         tprintf("NULL, ");
 246                 else
 247                         tprintf("%#lx, ", u_arg[0]);
 248                 /* len */
 249                 tprintf("%lu, ", u_arg[1]);
 250                 /* prot */
 251                 printflags(mmap_prot, u_arg[2], "PROT_???");
 252                 tprintf(", ");
 253                 /* flags */
 254 #ifdef MAP_TYPE
 255                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 256 #ifdef TILE
 257                 addflags(mmap_flags, addtileflags(u_arg[3] & ~MAP_TYPE));
 258 #else
 259                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 260 #endif
 261 #else
 262                 printflags(mmap_flags, u_arg[3], "MAP_???");
 263 #endif
 264                 /* fd (is always int, not long) */
 265                 tprintf(", %d, ", (int)u_arg[4]);
 266                 /* offset */
 267                 tprintf("%#llx", offset);
 268         }
 269         return RVAL_HEX;
 270 }
 271
 272 #ifdef LINUX
 273 int sys_old_mmap(tcp)
 274 struct tcb *tcp;
 275 {
 276         long u_arg[6];
 277
 278 #if     defined(IA64)
 279         int i, v;
 280         /*
 281          *  IA64 processes never call this routine, they only use the
 282          *  new `sys_mmap' interface.  This code converts the integer
 283          *  arguments that the IA32 process pushed onto the stack into
 284          *  longs.
 285          *
 286          *  Note that addresses with bit 31 set will be sign extended.
 287          *  Fortunately, those addresses are not currently being generated
 288          *  for IA32 processes so it's not a problem.
 289          */
 290         for (i = 0; i < 6; i++)
 291                 if (umove(tcp, tcp->u_arg[0] + (i * sizeof(int)), &v) == -1)
 292                         return 0;
 293                 else
 294                         u_arg[i] = v;
 295 #elif defined(SH) || defined(SH64)
 296         /* SH has always passed the args in registers */
 297         int i;
 298         for (i=0; i<6; i++)
 299                 u_arg[i] = tcp->u_arg[i];
 300 #else
 301 # if defined(X86_64)
 302         if (current_personality == 1) {
 303                 int i;
 304                 for (i = 0; i < 6; ++i) {
 305                         unsigned int val;
 306                         if (umove(tcp, tcp->u_arg[0] + i * 4, &val) == -1)
 307                                 return 0;
 308                         u_arg[i] = val;
 309                 }
 310         }
 311         else
 312 # endif
 313         if (umoven(tcp, tcp->u_arg[0], sizeof u_arg, (char *) u_arg) == -1)
 314                 return 0;
 315 #endif  // defined(IA64)
 316         return print_mmap(tcp, u_arg, u_arg[5]);
 317 }
 318 #endif
 319
 320 int
 321 sys_mmap(tcp)
 322 struct tcb *tcp;
 323 {
 324         long long offset = tcp->u_arg[5];
 325
 326 #if defined(LINUX) && defined(SH64)
 327         /*
 328          * Old mmap differs from new mmap in specifying the
 329          * offset in units of bytes rather than pages.  We
 330          * pretend it's in byte units so the user only ever
 331          * sees bytes in the printout.
 332          */
 333         offset <<= PAGE_SHIFT;
 334 #endif
 335 #if defined(LINUX_MIPSN32)
 336         offset = tcp->ext_arg[5];
 337 #endif
 338         return print_mmap(tcp, tcp->u_arg, offset);
 339 }
 340 #endif /* !HAVE_LONG_LONG_OFF_T */
 341
 342 #if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
 343 int
 344 sys_mmap64(tcp)
 345 struct tcb *tcp;
 346 {
 347 #ifdef linux
 348 #ifdef ALPHA
 349         long *u_arg = tcp->u_arg;
 350 #else /* !ALPHA */
 351         long u_arg[7];
 352 #endif /* !ALPHA */
 353 #else /* !linux */
 354         long *u_arg = tcp->u_arg;
 355 #endif /* !linux */
 356
 357         if (entering(tcp)) {
 358 #ifdef linux
 359 #ifndef ALPHA
 360                 if (umoven(tcp, tcp->u_arg[0], sizeof u_arg,
 361                                 (char *) u_arg) == -1)
 362                         return 0;
 363 #endif /* ALPHA */
 364 #endif /* linux */
 365
 366                 /* addr */
 367                 tprintf("%#lx, ", u_arg[0]);
 368                 /* len */
 369                 tprintf("%lu, ", u_arg[1]);
 370                 /* prot */
 371                 printflags(mmap_prot, u_arg[2], "PROT_???");
 372                 tprintf(", ");
 373                 /* flags */
 374 #ifdef MAP_TYPE
 375                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 376                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 377 #else
 378                 printflags(mmap_flags, u_arg[3], "MAP_???");
 379 #endif
 380                 /* fd */
 381                 tprintf(", %ld, ", u_arg[4]);
 382                 /* offset */
 383                 printllval(tcp, "%#llx", 5);
 384         }
 385         return RVAL_HEX;
 386 }
 387 #endif
 388
 389
 390 int
 391 sys_munmap(tcp)
 392 struct tcb *tcp;
 393 {
 394         if (entering(tcp)) {
 395                 tprintf("%#lx, %lu",
 396                         tcp->u_arg[0], tcp->u_arg[1]);
 397         }
 398         return 0;
 399 }
 400
 401 int
 402 sys_mprotect(tcp)
 403 struct tcb *tcp;
 404 {
 405         if (entering(tcp)) {
 406                 tprintf("%#lx, %lu, ",
 407                         tcp->u_arg[0], tcp->u_arg[1]);
 408                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 409         }
 410         return 0;
 411 }
 412
 413 #ifdef LINUX
 414
 415 static const struct xlat mremap_flags[] = {
 416         { MREMAP_MAYMOVE,       "MREMAP_MAYMOVE"        },
 417 #ifdef MREMAP_FIXED
 418         { MREMAP_FIXED,         "MREMAP_FIXED"          },
 419 #endif
 420         { 0,                    NULL                    }
 421 };
 422
 423 int
 424 sys_mremap(struct tcb *tcp)
 425 {
 426         if (entering(tcp)) {
 427                 tprintf("%#lx, %lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1],
 428                         tcp->u_arg[2]);
 429                 printflags(mremap_flags, tcp->u_arg[3], "MREMAP_???");
 430 #ifdef MREMAP_FIXED
 431                 if ((tcp->u_arg[3] & (MREMAP_MAYMOVE | MREMAP_FIXED)) ==
 432                     (MREMAP_MAYMOVE | MREMAP_FIXED))
 433                         tprintf(", %#lx", tcp->u_arg[4]);
 434 #endif
 435         }
 436         return RVAL_HEX;
 437 }
 438
 439 static const struct xlat madvise_cmds[] = {
 440 #ifdef MADV_NORMAL
 441         { MADV_NORMAL,          "MADV_NORMAL" },
 442 #endif
 443 #ifdef MADV_RANDOM
 444         { MADV_RANDOM,          "MADV_RANDOM" },
 445 #endif
 446 #ifdef MADV_SEQUENTIAL
 447         { MADV_SEQUENTIAL,      "MADV_SEQUENTIAL" },
 448 #endif
 449 #ifdef MADV_WILLNEED
 450         { MADV_WILLNEED,        "MADV_WILLNEED" },
 451 #endif
 452 #ifdef MADV_DONTNEED
 453         { MADV_DONTNEED,        "MADV_DONTNEED" },
 454 #endif
 455         { 0,                    NULL },
 456 };
 457
 458
 459 int
 460 sys_madvise(tcp)
 461 struct tcb *tcp;
 462 {
 463         if (entering(tcp)) {
 464                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 465                 printxval(madvise_cmds, tcp->u_arg[2], "MADV_???");
 466         }
 467         return 0;
 468 }
 469
 470
 471 static const struct xlat mlockall_flags[] = {
 472 #ifdef MCL_CURRENT
 473         { MCL_CURRENT,  "MCL_CURRENT" },
 474 #endif
 475 #ifdef MCL_FUTURE
 476         { MCL_FUTURE,   "MCL_FUTURE" },
 477 #endif
 478         { 0,            NULL}
 479 };
 480
 481 int
 482 sys_mlockall(tcp)
 483 struct tcb *tcp;
 484 {
 485         if (entering(tcp)) {
 486                 printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
 487         }
 488         return 0;
 489 }
 490
 491
 492 #endif /* LINUX */
 493
 494 #ifdef MS_ASYNC
 495
 496 static const struct xlat mctl_sync[] = {
 497 #ifdef MS_SYNC
 498         { MS_SYNC,      "MS_SYNC"       },
 499 #endif
 500         { MS_ASYNC,     "MS_ASYNC"      },
 501         { MS_INVALIDATE,"MS_INVALIDATE" },
 502         { 0,            NULL            },
 503 };
 504
 505 int
 506 sys_msync(tcp)
 507 struct tcb *tcp;
 508 {
 509         if (entering(tcp)) {
 510                 /* addr */
 511                 tprintf("%#lx", tcp->u_arg[0]);
 512                 /* len */
 513                 tprintf(", %lu, ", tcp->u_arg[1]);
 514                 /* flags */
 515                 printflags(mctl_sync, tcp->u_arg[2], "MS_???");
 516         }
 517         return 0;
 518 }
 519
 520 #endif /* MS_ASYNC */
 521
 522 #ifdef MC_SYNC
 523
 524 static const struct xlat mctl_funcs[] = {
 525         { MC_LOCK,      "MC_LOCK"       },
 526         { MC_LOCKAS,    "MC_LOCKAS"     },
 527         { MC_SYNC,      "MC_SYNC"       },
 528         { MC_UNLOCK,    "MC_UNLOCK"     },
 529         { MC_UNLOCKAS,  "MC_UNLOCKAS"   },
 530         { 0,            NULL            },
 531 };
 532
 533 static const struct xlat mctl_lockas[] = {
 534         { MCL_CURRENT,  "MCL_CURRENT"   },
 535         { MCL_FUTURE,   "MCL_FUTURE"    },
 536         { 0,            NULL            },
 537 };
 538
 539 int
 540 sys_mctl(tcp)
 541 struct tcb *tcp;
 542 {
 543         int arg, function;
 544
 545         if (entering(tcp)) {
 546                 /* addr */
 547                 tprintf("%#lx", tcp->u_arg[0]);
 548                 /* len */
 549                 tprintf(", %lu, ", tcp->u_arg[1]);
 550                 /* function */
 551                 function = tcp->u_arg[2];
 552                 printflags(mctl_funcs, function, "MC_???");
 553                 /* arg */
 554                 arg = tcp->u_arg[3];
 555                 tprintf(", ");
 556                 switch (function) {
 557                 case MC_SYNC:
 558                         printflags(mctl_sync, arg, "MS_???");
 559                         break;
 560                 case MC_LOCKAS:
 561                         printflags(mctl_lockas, arg, "MCL_???");
 562                         break;
 563                 default:
 564                         tprintf("%#x", arg);
 565                         break;
 566                 }
 567         }
 568         return 0;
 569 }
 570
 571 #endif /* MC_SYNC */
 572
 573 int
 574 sys_mincore(tcp)
 575 struct tcb *tcp;
 576 {
 577         unsigned long i, len;
 578         char *vec = NULL;
 579
 580         if (entering(tcp)) {
 581                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 582         } else {
 583                 len = tcp->u_arg[1];
 584                 if (syserror(tcp) || tcp->u_arg[2] == 0 ||
 585                         (vec = malloc(len)) == NULL ||
 586                         umoven(tcp, tcp->u_arg[2], len, vec) < 0)
 587                         tprintf("%#lx", tcp->u_arg[2]);
 588                 else {
 589                         tprintf("[");
 590                         for (i = 0; i < len; i++) {
 591                                 if (abbrev(tcp) && i >= max_strlen) {
 592                                         tprintf("...");
 593                                         break;
 594                                 }
 595                                 tprintf((vec[i] & 1) ? "1" : "0");
 596                         }
 597                         tprintf("]");
 598                 }
 599                 if (vec)
 600                         free(vec);
 601         }
 602         return 0;
 603 }
 604
 605 #if defined(ALPHA) || defined(FREEBSD) || defined(IA64) || defined(SUNOS4) || defined(SVR4) || defined(SPARC) || defined(SPARC64)
 606 int
 607 sys_getpagesize(tcp)
 608 struct tcb *tcp;
 609 {
 610         if (exiting(tcp))
 611                 return RVAL_HEX;
 612         return 0;
 613 }
 614 #endif /* ALPHA || FREEBSD || IA64 || SUNOS4 || SVR4 */
 615
 616 #if defined(LINUX) && defined(__i386__)
 617 void
 618 print_ldt_entry(struct modify_ldt_ldt_s *ldt_entry)
 619 {
 620         tprintf("base_addr:%#08lx, "
 621                 "limit:%d, "
 622                 "seg_32bit:%d, "
 623                 "contents:%d, "
 624                 "read_exec_only:%d, "
 625                 "limit_in_pages:%d, "
 626                 "seg_not_present:%d, "
 627                 "useable:%d}",
 628                 (long) ldt_entry->base_addr,
 629                 ldt_entry->limit,
 630                 ldt_entry->seg_32bit,
 631                 ldt_entry->contents,
 632                 ldt_entry->read_exec_only,
 633                 ldt_entry->limit_in_pages,
 634                 ldt_entry->seg_not_present,
 635                 ldt_entry->useable);
 636 }
 637
 638 int
 639 sys_modify_ldt(tcp)
 640 struct tcb *tcp;
 641 {
 642         if (entering(tcp)) {
 643                 struct modify_ldt_ldt_s copy;
 644                 tprintf("%ld", tcp->u_arg[0]);
 645                 if (tcp->u_arg[1] == 0
 646                                 || tcp->u_arg[2] != sizeof (struct modify_ldt_ldt_s)
 647                                 || umove(tcp, tcp->u_arg[1], &copy) == -1)
 648                         tprintf(", %lx", tcp->u_arg[1]);
 649                 else {
 650                         tprintf(", {entry_number:%d, ", copy.entry_number);
 651                         if (!verbose(tcp))
 652                                 tprintf("...}");
 653                         else {
 654                                 print_ldt_entry(&copy);
 655                         }
 656                 }
 657                 tprintf(", %lu", tcp->u_arg[2]);
 658         }
 659         return 0;
 660 }
 661
 662 int
 663 sys_set_thread_area(tcp)
 664 struct tcb *tcp;
 665 {
 666         struct modify_ldt_ldt_s copy;
 667         if (entering(tcp)) {
 668                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 669                         if (copy.entry_number == -1)
 670                                 tprintf("{entry_number:%d -> ",
 671                                         copy.entry_number);
 672                         else
 673                                 tprintf("{entry_number:");
 674                 }
 675         } else {
 676                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 677                         tprintf("%d, ", copy.entry_number);
 678                         if (!verbose(tcp))
 679                                 tprintf("...}");
 680                         else {
 681                                 print_ldt_entry(&copy);
 682                         }
 683                 } else {
 684                         tprintf("%lx", tcp->u_arg[0]);
 685                 }
 686         }
 687         return 0;
 688
 689 }
 690
 691 int
 692 sys_get_thread_area(tcp)
 693 struct tcb *tcp;
 694 {
 695         struct modify_ldt_ldt_s copy;
 696         if (exiting(tcp)) {
 697                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 698                         tprintf("{entry_number:%d, ", copy.entry_number);
 699                         if (!verbose(tcp))
 700                                 tprintf("...}");
 701                         else {
 702                                 print_ldt_entry(&copy);
 703                         }
 704                 } else {
 705                         tprintf("%lx", tcp->u_arg[0]);
 706                 }
 707         }
 708         return 0;
 709
 710 }
 711 #endif /* LINUX && __i386__ */
 712
 713 #if defined(LINUX) && defined(M68K)
 714
 715 int
 716 sys_set_thread_area(tcp)
 717 struct tcb *tcp;
 718 {
 719         if (entering(tcp))
 720                 tprintf("%#lx", tcp->u_arg[0]);
 721         return 0;
 722
 723 }
 724
 725 int
 726 sys_get_thread_area(tcp)
 727 struct tcb *tcp;
 728 {
 729         return RVAL_HEX;
 730 }
 731 #endif
 732
 733 #if defined(LINUX)
 734 int
 735 sys_remap_file_pages(tcp)
 736 struct tcb *tcp;
 737 {
 738         if (entering(tcp)) {
 739                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 740                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 741                 tprintf(", %lu, ", tcp->u_arg[3]);
 742 #ifdef MAP_TYPE
 743                 printxval(mmap_flags, tcp->u_arg[4] & MAP_TYPE, "MAP_???");
 744                 addflags(mmap_flags, tcp->u_arg[4] & ~MAP_TYPE);
 745 #else
 746                 printflags(mmap_flags, tcp->u_arg[4], "MAP_???");
 747 #endif
 748         }
 749         return 0;
 750 }
 751
 752
 753 #define MPOL_DEFAULT    0
 754 #define MPOL_PREFERRED  1
 755 #define MPOL_BIND       2
 756 #define MPOL_INTERLEAVE 3
 757
 758 #define MPOL_F_NODE     (1<<0)
 759 #define MPOL_F_ADDR     (1<<1)
 760
 761 #define MPOL_MF_STRICT  (1<<0)
 762 #define MPOL_MF_MOVE    (1<<1)
 763 #define MPOL_MF_MOVE_ALL (1<<2)
 764
 765
 766 static const struct xlat policies[] = {
 767         { MPOL_DEFAULT,         "MPOL_DEFAULT"          },
 768         { MPOL_PREFERRED,       "MPOL_PREFERRED"        },
 769         { MPOL_BIND,            "MPOL_BIND"             },
 770         { MPOL_INTERLEAVE,      "MPOL_INTERLEAVE"       },
 771         { 0,                    NULL                    }
 772 };
 773
 774 static const struct xlat mbindflags[] = {
 775         { MPOL_MF_STRICT,       "MPOL_MF_STRICT"        },
 776         { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
 777         { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
 778         { 0,                    NULL                    }
 779 };
 780
 781 static const struct xlat mempolicyflags[] = {
 782         { MPOL_F_NODE,          "MPOL_F_NODE"           },
 783         { MPOL_F_ADDR,          "MPOL_F_ADDR"           },
 784         { 0,                    NULL                    }
 785 };
 786
 787 static const struct xlat move_pages_flags[] = {
 788         { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
 789         { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
 790         { 0,                    NULL                    }
 791 };
 792
 793
 794 static void
 795 get_nodes(tcp, ptr, maxnodes, err)
 796 struct tcb *tcp;
 797 unsigned long ptr;
 798 unsigned long maxnodes;
 799 int err;
 800 {
 801         unsigned long nlongs, size, end;
 802
 803         nlongs = (maxnodes + 8 * sizeof(long) - 1) / (8 * sizeof(long));
 804         size = nlongs * sizeof(long);
 805         end = ptr + size;
 806         if (nlongs == 0 || ((err || verbose(tcp)) && (size * 8 == maxnodes)
 807                             && (end > ptr))) {
 808                 unsigned long n, cur, abbrev_end;
 809                 int failed = 0;
 810
 811                 if (abbrev(tcp)) {
 812                         abbrev_end = ptr + max_strlen * sizeof(long);
 813                         if (abbrev_end < ptr)
 814                                 abbrev_end = end;
 815                 } else {
 816                         abbrev_end = end;
 817                 }
 818                 tprintf(", {");
 819                 for (cur = ptr; cur < end; cur += sizeof(long)) {
 820                         if (cur > ptr)
 821                                 tprintf(", ");
 822                         if (cur >= abbrev_end) {
 823                                 tprintf("...");
 824                                 break;
 825                         }
 826                         if (umoven(tcp, cur, sizeof(n), (char *) &n) < 0) {
 827                                 tprintf("?");
 828                                 failed = 1;
 829                                 break;
 830                         }
 831                         tprintf("%#0*lx", (int) sizeof(long) * 2 + 2, n);
 832                 }
 833                 tprintf("}");
 834                 if (failed)
 835                         tprintf(" %#lx", ptr);
 836         } else
 837                 tprintf(", %#lx", ptr);
 838         tprintf(", %lu", maxnodes);
 839 }
 840
 841 int
 842 sys_mbind(tcp)
 843 struct tcb *tcp;
 844 {
 845         if (entering(tcp)) {
 846                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 847                 printxval(policies, tcp->u_arg[2], "MPOL_???");
 848                 get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0);
 849                 tprintf(", ");
 850                 printflags(mbindflags, tcp->u_arg[5], "MPOL_???");
 851         }
 852         return 0;
 853 }
 854
 855 int
 856 sys_set_mempolicy(tcp)
 857 struct tcb *tcp;
 858 {
 859         if (entering(tcp)) {
 860                 printxval(policies, tcp->u_arg[0], "MPOL_???");
 861                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
 862         }
 863         return 0;
 864 }
 865
 866 int
 867 sys_get_mempolicy(tcp)
 868 struct tcb *tcp;
 869 {
 870         if (exiting(tcp)) {
 871                 int pol;
 872                 if (tcp->u_arg[0] == 0)
 873                         tprintf("NULL");
 874                 else if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &pol) < 0)
 875                         tprintf("%#lx", tcp->u_arg[0]);
 876                 else
 877                         printxval(policies, pol, "MPOL_???");
 878                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp));
 879                 tprintf(", %#lx, ", tcp->u_arg[3]);
 880                 printflags(mempolicyflags, tcp->u_arg[4], "MPOL_???");
 881         }
 882         return 0;
 883 }
 884
 885 int
 886 sys_move_pages(tcp)
 887 struct tcb *tcp;
 888 {
 889         if (entering(tcp)) {
 890                 unsigned long npages = tcp->u_arg[1];
 891                 tprintf("%ld, %lu, ", tcp->u_arg[0], npages);
 892                 if (tcp->u_arg[2] == 0)
 893                         tprintf("NULL, ");
 894                 else {
 895                         int i;
 896                         long puser = tcp->u_arg[2];
 897                         tprintf("{");
 898                         for (i = 0; i < npages; ++i) {
 899                                 void *p;
 900                                 if (i > 0)
 901                                         tprintf(", ");
 902                                 if (umove(tcp, puser, &p) < 0) {
 903                                         tprintf("???");
 904                                         break;
 905                                 }
 906                                 tprintf("%p", p);
 907                                 puser += sizeof (void *);
 908                         }
 909                         tprintf("}, ");
 910                 }
 911                 if (tcp->u_arg[3] == 0)
 912                         tprintf("NULL, ");
 913                 else {
 914                         int i;
 915                         long nodeuser = tcp->u_arg[3];
 916                         tprintf("{");
 917                         for (i = 0; i < npages; ++i) {
 918                                 int node;
 919                                 if (i > 0)
 920                                         tprintf(", ");
 921                                 if (umove(tcp, nodeuser, &node) < 0) {
 922                                         tprintf("???");
 923                                         break;
 924                                 }
 925                                 tprintf("%#x", node);
 926                                 nodeuser += sizeof (int);
 927                         }
 928                         tprintf("}, ");
 929                 }
 930         }
 931         if (exiting(tcp)) {
 932                 unsigned long npages = tcp->u_arg[1];
 933                 if (tcp->u_arg[4] == 0)
 934                         tprintf("NULL, ");
 935                 else {
 936                         int i;
 937                         long statususer = tcp->u_arg[4];
 938                         tprintf("{");
 939                         for (i = 0; i < npages; ++i) {
 940                                 int status;
 941                                 if (i > 0)
 942                                         tprintf(", ");
 943                                 if (umove(tcp, statususer, &status) < 0) {
 944                                         tprintf("???");
 945                                         break;
 946                                 }
 947                                 tprintf("%#x", status);
 948                                 statususer += sizeof (int);
 949                         }
 950                         tprintf("}, ");
 951                 }
 952                 printflags(move_pages_flags, tcp->u_arg[5], "MPOL_???");
 953         }
 954         return 0;
 955 }
 956 #endif
 957
 958 #if defined(LINUX) && defined(POWERPC)
 959 int
 960 sys_subpage_prot(tcp)
 961 struct tcb *tcp;
 962 {
 963         if (entering(tcp)) {
 964                 unsigned long cur, end, abbrev_end, entries;
 965                 unsigned int entry;
 966
 967                 tprintf("%#lx, %#lx, ", tcp->u_arg[0], tcp->u_arg[1]);
 968                 entries = tcp->u_arg[1] >> 16;
 969                 if (!entries || !tcp->u_arg[2]) {
 970                         tprintf("{}");
 971                         return 0;
 972                 }
 973                 cur = tcp->u_arg[2];
 974                 end = cur + (sizeof(int) * entries);
 975                 if (!verbose(tcp) || end < tcp->u_arg[2]) {
 976                         tprintf("%#lx", tcp->u_arg[2]);
 977                         return 0;
 978                 }
 979                 if (abbrev(tcp)) {
 980                         abbrev_end = cur + (sizeof(int) * max_strlen);
 981                         if (abbrev_end > end)
 982                                 abbrev_end = end;
 983                 }
 984                 else
 985                         abbrev_end = end;
 986                 tprintf("{");
 987                 for (; cur < end; cur += sizeof(int)) {
 988                         if (cur > tcp->u_arg[2])
 989                                 tprintf(", ");
 990                         if (cur >= abbrev_end) {
 991                                 tprintf("...");
 992                                 break;
 993                         }
 994                         if (umove(tcp, cur, &entry) < 0) {
 995                                 tprintf("??? [%#lx]", cur);
 996                                 break;
 997                         }
 998                         else
 999                                 tprintf("%#08x", entry);
1000                 }
1001                 tprintf("}");
1002         }
1003
1004         return 0;
1005 }
1006 #endif