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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
 199 int
 200 addtileflags(flags)
 201 long flags;
 202 {
 203         long home = flags & _MAP_CACHE_MKHOME(_MAP_CACHE_HOME_MASK);
 204         flags &= ~_MAP_CACHE_MKHOME(_MAP_CACHE_HOME_MASK);
 205
 206         if (flags & _MAP_CACHE_INCOHERENT) {
 207                 flags &= ~_MAP_CACHE_INCOHERENT;
 208                 if (home == MAP_CACHE_HOME_NONE) {
 209                         tprintf("|MAP_CACHE_INCOHERENT");
 210                         return flags;
 211                 }
 212                 tprintf("|_MAP_CACHE_INCOHERENT");
 213         }
 214
 215         switch (home) {
 216         case 0: break;
 217         case MAP_CACHE_HOME_HERE: tprintf("|MAP_CACHE_HOME_HERE"); break;
 218         case MAP_CACHE_HOME_NONE: tprintf("|MAP_CACHE_HOME_NONE"); break;
 219         case MAP_CACHE_HOME_SINGLE: tprintf("|MAP_CACHE_HOME_SINGLE"); break;
 220         case MAP_CACHE_HOME_TASK: tprintf("|MAP_CACHE_HOME_TASK"); break;
 221         case MAP_CACHE_HOME_HASH: tprintf("|MAP_CACHE_HOME_HASH"); break;
 222         default:
 223                 tprintf("|MAP_CACHE_HOME(%d)",
 224                         (home >> _MAP_CACHE_HOME_SHIFT) );
 225                 break;
 226         }
 227
 228         return flags;
 229 }
 230 #endif
 231
 232 #if !HAVE_LONG_LONG_OFF_T
 233 static int
 234 print_mmap(struct tcb *tcp, long *u_arg, long long offset)
 235 {
 236         if (entering(tcp)) {
 237                 /* addr */
 238                 if (!u_arg[0])
 239                         tprintf("NULL, ");
 240                 else
 241                         tprintf("%#lx, ", u_arg[0]);
 242                 /* len */
 243                 tprintf("%lu, ", u_arg[1]);
 244                 /* prot */
 245                 printflags(mmap_prot, u_arg[2], "PROT_???");
 246                 tprintf(", ");
 247                 /* flags */
 248 #ifdef MAP_TYPE
 249                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 250 #ifdef TILE
 251                 addflags(mmap_flags, addtileflags(u_arg[3] & ~MAP_TYPE));
 252 #else
 253                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 254 #endif
 255 #else
 256                 printflags(mmap_flags, u_arg[3], "MAP_???");
 257 #endif
 258                 /* fd */
 259                 tprintf(", ");
 260                 printfd(tcp, u_arg[4]);
 261                 /* offset */
 262                 tprintf(", %#llx", offset);
 263         }
 264         return RVAL_HEX;
 265 }
 266
 267 #ifdef LINUX
 268 int sys_old_mmap(struct tcb *tcp)
 269 {
 270         long u_arg[6];
 271
 272 #if     defined(IA64)
 273         int i, v;
 274         /*
 275          *  IA64 processes never call this routine, they only use the
 276          *  new `sys_mmap' interface.  This code converts the integer
 277          *  arguments that the IA32 process pushed onto the stack into
 278          *  longs.
 279          *
 280          *  Note that addresses with bit 31 set will be sign extended.
 281          *  Fortunately, those addresses are not currently being generated
 282          *  for IA32 processes so it's not a problem.
 283          */
 284         for (i = 0; i < 6; i++)
 285                 if (umove(tcp, tcp->u_arg[0] + (i * sizeof(int)), &v) == -1)
 286                         return 0;
 287                 else
 288                         u_arg[i] = v;
 289 #elif defined(SH) || defined(SH64)
 290         /* SH has always passed the args in registers */
 291         int i;
 292         for (i = 0; i < 6; i++)
 293                 u_arg[i] = tcp->u_arg[i];
 294 #else
 295 # if defined(X86_64)
 296         if (current_personality == 1) {
 297                 int i;
 298                 for (i = 0; i < 6; ++i) {
 299                         unsigned int val;
 300                         if (umove(tcp, tcp->u_arg[0] + i * 4, &val) == -1)
 301                                 return 0;
 302                         u_arg[i] = val;
 303                 }
 304         }
 305         else
 306 # endif
 307         if (umoven(tcp, tcp->u_arg[0], sizeof u_arg, (char *) u_arg) == -1)
 308                 return 0;
 309 #endif  // defined(IA64)
 310         return print_mmap(tcp, u_arg, u_arg[5]);
 311 }
 312 #endif
 313
 314 int
 315 sys_mmap(struct tcb *tcp)
 316 {
 317         long long offset = tcp->u_arg[5];
 318
 319 #if defined(LINUX) && defined(SH64)
 320         /*
 321          * Old mmap differs from new mmap in specifying the
 322          * offset in units of bytes rather than pages.  We
 323          * pretend it's in byte units so the user only ever
 324          * sees bytes in the printout.
 325          */
 326         offset <<= PAGE_SHIFT;
 327 #endif
 328 #if defined(LINUX_MIPSN32)
 329         offset = tcp->ext_arg[5];
 330 #endif
 331         return print_mmap(tcp, tcp->u_arg, offset);
 332 }
 333 #endif /* !HAVE_LONG_LONG_OFF_T */
 334
 335 #if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
 336 int
 337 sys_mmap64(struct tcb *tcp)
 338 {
 339 #ifdef linux
 340 #ifdef ALPHA
 341         long *u_arg = tcp->u_arg;
 342 #else /* !ALPHA */
 343         long u_arg[7];
 344 #endif /* !ALPHA */
 345 #else /* !linux */
 346         long *u_arg = tcp->u_arg;
 347 #endif /* !linux */
 348
 349         if (entering(tcp)) {
 350 #ifdef linux
 351 #ifndef ALPHA
 352                 if (umoven(tcp, tcp->u_arg[0], sizeof u_arg,
 353                                 (char *) u_arg) == -1)
 354                         return 0;
 355 #endif /* ALPHA */
 356 #endif /* linux */
 357
 358                 /* addr */
 359                 tprintf("%#lx, ", u_arg[0]);
 360                 /* len */
 361                 tprintf("%lu, ", u_arg[1]);
 362                 /* prot */
 363                 printflags(mmap_prot, u_arg[2], "PROT_???");
 364                 tprintf(", ");
 365                 /* flags */
 366 #ifdef MAP_TYPE
 367                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 368                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 369 #else
 370                 printflags(mmap_flags, u_arg[3], "MAP_???");
 371 #endif
 372                 /* fd */
 373                 tprintf(", ");
 374                 printfd(tcp, tcp->u_arg[4]);
 375                 /* offset */
 376                 printllval(tcp, ", %#llx", 5);
 377         }
 378         return RVAL_HEX;
 379 }
 380 #endif
 381
 382
 383 int
 384 sys_munmap(struct tcb *tcp)
 385 {
 386         if (entering(tcp)) {
 387                 tprintf("%#lx, %lu",
 388                         tcp->u_arg[0], tcp->u_arg[1]);
 389         }
 390         return 0;
 391 }
 392
 393 int
 394 sys_mprotect(struct tcb *tcp)
 395 {
 396         if (entering(tcp)) {
 397                 tprintf("%#lx, %lu, ",
 398                         tcp->u_arg[0], tcp->u_arg[1]);
 399                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 400         }
 401         return 0;
 402 }
 403
 404 #ifdef LINUX
 405
 406 static const struct xlat mremap_flags[] = {
 407         { MREMAP_MAYMOVE,       "MREMAP_MAYMOVE"        },
 408 #ifdef MREMAP_FIXED
 409         { MREMAP_FIXED,         "MREMAP_FIXED"          },
 410 #endif
 411         { 0,                    NULL                    }
 412 };
 413
 414 int
 415 sys_mremap(struct tcb *tcp)
 416 {
 417         if (entering(tcp)) {
 418                 tprintf("%#lx, %lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1],
 419                         tcp->u_arg[2]);
 420                 printflags(mremap_flags, tcp->u_arg[3], "MREMAP_???");
 421 #ifdef MREMAP_FIXED
 422                 if ((tcp->u_arg[3] & (MREMAP_MAYMOVE | MREMAP_FIXED)) ==
 423                     (MREMAP_MAYMOVE | MREMAP_FIXED))
 424                         tprintf(", %#lx", tcp->u_arg[4]);
 425 #endif
 426         }
 427         return RVAL_HEX;
 428 }
 429
 430 static const struct xlat madvise_cmds[] = {
 431 #ifdef MADV_NORMAL
 432         { MADV_NORMAL,          "MADV_NORMAL" },
 433 #endif
 434 #ifdef MADV_RANDOM
 435         { MADV_RANDOM,          "MADV_RANDOM" },
 436 #endif
 437 #ifdef MADV_SEQUENTIAL
 438         { MADV_SEQUENTIAL,      "MADV_SEQUENTIAL" },
 439 #endif
 440 #ifdef MADV_WILLNEED
 441         { MADV_WILLNEED,        "MADV_WILLNEED" },
 442 #endif
 443 #ifdef MADV_DONTNEED
 444         { MADV_DONTNEED,        "MADV_DONTNEED" },
 445 #endif
 446         { 0,                    NULL },
 447 };
 448
 449
 450 int
 451 sys_madvise(struct tcb *tcp)
 452 {
 453         if (entering(tcp)) {
 454                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 455                 printxval(madvise_cmds, tcp->u_arg[2], "MADV_???");
 456         }
 457         return 0;
 458 }
 459
 460
 461 static const struct xlat mlockall_flags[] = {
 462 #ifdef MCL_CURRENT
 463         { MCL_CURRENT,  "MCL_CURRENT" },
 464 #endif
 465 #ifdef MCL_FUTURE
 466         { MCL_FUTURE,   "MCL_FUTURE" },
 467 #endif
 468         { 0,            NULL}
 469 };
 470
 471 int
 472 sys_mlockall(struct tcb *tcp)
 473 {
 474         if (entering(tcp)) {
 475                 printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
 476         }
 477         return 0;
 478 }
 479
 480
 481 #endif /* LINUX */
 482
 483 #ifdef MS_ASYNC
 484
 485 static const struct xlat mctl_sync[] = {
 486 #ifdef MS_SYNC
 487         { MS_SYNC,      "MS_SYNC"       },
 488 #endif
 489         { MS_ASYNC,     "MS_ASYNC"      },
 490         { MS_INVALIDATE,"MS_INVALIDATE" },
 491         { 0,            NULL            },
 492 };
 493
 494 int
 495 sys_msync(struct tcb *tcp)
 496 {
 497         if (entering(tcp)) {
 498                 /* addr */
 499                 tprintf("%#lx", tcp->u_arg[0]);
 500                 /* len */
 501                 tprintf(", %lu, ", tcp->u_arg[1]);
 502                 /* flags */
 503                 printflags(mctl_sync, tcp->u_arg[2], "MS_???");
 504         }
 505         return 0;
 506 }
 507
 508 #endif /* MS_ASYNC */
 509
 510 #ifdef MC_SYNC
 511
 512 static const struct xlat mctl_funcs[] = {
 513         { MC_LOCK,      "MC_LOCK"       },
 514         { MC_LOCKAS,    "MC_LOCKAS"     },
 515         { MC_SYNC,      "MC_SYNC"       },
 516         { MC_UNLOCK,    "MC_UNLOCK"     },
 517         { MC_UNLOCKAS,  "MC_UNLOCKAS"   },
 518         { 0,            NULL            },
 519 };
 520
 521 static const struct xlat mctl_lockas[] = {
 522         { MCL_CURRENT,  "MCL_CURRENT"   },
 523         { MCL_FUTURE,   "MCL_FUTURE"    },
 524         { 0,            NULL            },
 525 };
 526
 527 int
 528 sys_mctl(struct tcb *tcp)
 529 {
 530         int arg, function;
 531
 532         if (entering(tcp)) {
 533                 /* addr */
 534                 tprintf("%#lx", tcp->u_arg[0]);
 535                 /* len */
 536                 tprintf(", %lu, ", tcp->u_arg[1]);
 537                 /* function */
 538                 function = tcp->u_arg[2];
 539                 printflags(mctl_funcs, function, "MC_???");
 540                 /* arg */
 541                 arg = tcp->u_arg[3];
 542                 tprintf(", ");
 543                 switch (function) {
 544                 case MC_SYNC:
 545                         printflags(mctl_sync, arg, "MS_???");
 546                         break;
 547                 case MC_LOCKAS:
 548                         printflags(mctl_lockas, arg, "MCL_???");
 549                         break;
 550                 default:
 551                         tprintf("%#x", arg);
 552                         break;
 553                 }
 554         }
 555         return 0;
 556 }
 557
 558 #endif /* MC_SYNC */
 559
 560 int
 561 sys_mincore(struct tcb *tcp)
 562 {
 563         unsigned long i, len;
 564         char *vec = NULL;
 565
 566         if (entering(tcp)) {
 567                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 568         } else {
 569                 len = tcp->u_arg[1];
 570                 if (syserror(tcp) || tcp->u_arg[2] == 0 ||
 571                         (vec = malloc(len)) == NULL ||
 572                         umoven(tcp, tcp->u_arg[2], len, vec) < 0)
 573                         tprintf("%#lx", tcp->u_arg[2]);
 574                 else {
 575                         tprintf("[");
 576                         for (i = 0; i < len; i++) {
 577                                 if (abbrev(tcp) && i >= max_strlen) {
 578                                         tprintf("...");
 579                                         break;
 580                                 }
 581                                 tprintf((vec[i] & 1) ? "1" : "0");
 582                         }
 583                         tprintf("]");
 584                 }
 585                 if (vec)
 586                         free(vec);
 587         }
 588         return 0;
 589 }
 590
 591 #if defined(ALPHA) || defined(FREEBSD) || defined(IA64) || defined(SUNOS4) || defined(SVR4) || defined(SPARC) || defined(SPARC64)
 592 int
 593 sys_getpagesize(struct tcb *tcp)
 594 {
 595         if (exiting(tcp))
 596                 return RVAL_HEX;
 597         return 0;
 598 }
 599 #endif /* ALPHA || FREEBSD || IA64 || SUNOS4 || SVR4 */
 600
 601 #if defined(LINUX) && defined(__i386__)
 602 void
 603 print_ldt_entry(struct modify_ldt_ldt_s *ldt_entry)
 604 {
 605         tprintf("base_addr:%#08lx, "
 606                 "limit:%d, "
 607                 "seg_32bit:%d, "
 608                 "contents:%d, "
 609                 "read_exec_only:%d, "
 610                 "limit_in_pages:%d, "
 611                 "seg_not_present:%d, "
 612                 "useable:%d}",
 613                 (long) ldt_entry->base_addr,
 614                 ldt_entry->limit,
 615                 ldt_entry->seg_32bit,
 616                 ldt_entry->contents,
 617                 ldt_entry->read_exec_only,
 618                 ldt_entry->limit_in_pages,
 619                 ldt_entry->seg_not_present,
 620                 ldt_entry->useable);
 621 }
 622
 623 int
 624 sys_modify_ldt(struct tcb *tcp)
 625 {
 626         if (entering(tcp)) {
 627                 struct modify_ldt_ldt_s copy;
 628                 tprintf("%ld", tcp->u_arg[0]);
 629                 if (tcp->u_arg[1] == 0
 630                                 || tcp->u_arg[2] != sizeof(struct modify_ldt_ldt_s)
 631                                 || umove(tcp, tcp->u_arg[1], &copy) == -1)
 632                         tprintf(", %lx", tcp->u_arg[1]);
 633                 else {
 634                         tprintf(", {entry_number:%d, ", copy.entry_number);
 635                         if (!verbose(tcp))
 636                                 tprintf("...}");
 637                         else {
 638                                 print_ldt_entry(&copy);
 639                         }
 640                 }
 641                 tprintf(", %lu", tcp->u_arg[2]);
 642         }
 643         return 0;
 644 }
 645
 646 int
 647 sys_set_thread_area(struct tcb *tcp)
 648 {
 649         struct modify_ldt_ldt_s copy;
 650         if (entering(tcp)) {
 651                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 652                         if (copy.entry_number == -1)
 653                                 tprintf("{entry_number:%d -> ",
 654                                         copy.entry_number);
 655                         else
 656                                 tprintf("{entry_number:");
 657                 }
 658         } else {
 659                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 660                         tprintf("%d, ", copy.entry_number);
 661                         if (!verbose(tcp))
 662                                 tprintf("...}");
 663                         else {
 664                                 print_ldt_entry(&copy);
 665                         }
 666                 } else {
 667                         tprintf("%lx", tcp->u_arg[0]);
 668                 }
 669         }
 670         return 0;
 671
 672 }
 673
 674 int
 675 sys_get_thread_area(struct tcb *tcp)
 676 {
 677         struct modify_ldt_ldt_s copy;
 678         if (exiting(tcp)) {
 679                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 680                         tprintf("{entry_number:%d, ", copy.entry_number);
 681                         if (!verbose(tcp))
 682                                 tprintf("...}");
 683                         else {
 684                                 print_ldt_entry(&copy);
 685                         }
 686                 } else {
 687                         tprintf("%lx", tcp->u_arg[0]);
 688                 }
 689         }
 690         return 0;
 691
 692 }
 693 #endif /* LINUX && __i386__ */
 694
 695 #if defined(LINUX) && defined(M68K)
 696
 697 int
 698 sys_set_thread_area(struct tcb *tcp)
 699 {
 700         if (entering(tcp))
 701                 tprintf("%#lx", tcp->u_arg[0]);
 702         return 0;
 703
 704 }
 705
 706 int
 707 sys_get_thread_area(struct tcb *tcp)
 708 {
 709         return RVAL_HEX;
 710 }
 711 #endif
 712
 713 #if defined(LINUX)
 714 int
 715 sys_remap_file_pages(struct tcb *tcp)
 716 {
 717         if (entering(tcp)) {
 718                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 719                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 720                 tprintf(", %lu, ", tcp->u_arg[3]);
 721 #ifdef MAP_TYPE
 722                 printxval(mmap_flags, tcp->u_arg[4] & MAP_TYPE, "MAP_???");
 723                 addflags(mmap_flags, tcp->u_arg[4] & ~MAP_TYPE);
 724 #else
 725                 printflags(mmap_flags, tcp->u_arg[4], "MAP_???");
 726 #endif
 727         }
 728         return 0;
 729 }
 730
 731
 732 #define MPOL_DEFAULT    0
 733 #define MPOL_PREFERRED  1
 734 #define MPOL_BIND       2
 735 #define MPOL_INTERLEAVE 3
 736
 737 #define MPOL_F_NODE     (1<<0)
 738 #define MPOL_F_ADDR     (1<<1)
 739
 740 #define MPOL_MF_STRICT  (1<<0)
 741 #define MPOL_MF_MOVE    (1<<1)
 742 #define MPOL_MF_MOVE_ALL (1<<2)
 743
 744
 745 static const struct xlat policies[] = {
 746         { MPOL_DEFAULT,         "MPOL_DEFAULT"          },
 747         { MPOL_PREFERRED,       "MPOL_PREFERRED"        },
 748         { MPOL_BIND,            "MPOL_BIND"             },
 749         { MPOL_INTERLEAVE,      "MPOL_INTERLEAVE"       },
 750         { 0,                    NULL                    }
 751 };
 752
 753 static const struct xlat mbindflags[] = {
 754         { MPOL_MF_STRICT,       "MPOL_MF_STRICT"        },
 755         { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
 756         { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
 757         { 0,                    NULL                    }
 758 };
 759
 760 static const struct xlat mempolicyflags[] = {
 761         { MPOL_F_NODE,          "MPOL_F_NODE"           },
 762         { MPOL_F_ADDR,          "MPOL_F_ADDR"           },
 763         { 0,                    NULL                    }
 764 };
 765
 766 static const struct xlat move_pages_flags[] = {
 767         { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
 768         { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
 769         { 0,                    NULL                    }
 770 };
 771
 772
 773 static void
 774 get_nodes(struct tcb *tcp, unsigned long ptr, unsigned long maxnodes, int err)
 775 {
 776         unsigned long nlongs, size, end;
 777
 778         nlongs = (maxnodes + 8 * sizeof(long) - 1) / (8 * sizeof(long));
 779         size = nlongs * sizeof(long);
 780         end = ptr + size;
 781         if (nlongs == 0 || ((err || verbose(tcp)) && (size * 8 == maxnodes)
 782                             && (end > ptr))) {
 783                 unsigned long n, cur, abbrev_end;
 784                 int failed = 0;
 785
 786                 if (abbrev(tcp)) {
 787                         abbrev_end = ptr + max_strlen * sizeof(long);
 788                         if (abbrev_end < ptr)
 789                                 abbrev_end = end;
 790                 } else {
 791                         abbrev_end = end;
 792                 }
 793                 tprintf(", {");
 794                 for (cur = ptr; cur < end; cur += sizeof(long)) {
 795                         if (cur > ptr)
 796                                 tprintf(", ");
 797                         if (cur >= abbrev_end) {
 798                                 tprintf("...");
 799                                 break;
 800                         }
 801                         if (umoven(tcp, cur, sizeof(n), (char *) &n) < 0) {
 802                                 tprintf("?");
 803                                 failed = 1;
 804                                 break;
 805                         }
 806                         tprintf("%#0*lx", (int) sizeof(long) * 2 + 2, n);
 807                 }
 808                 tprintf("}");
 809                 if (failed)
 810                         tprintf(" %#lx", ptr);
 811         } else
 812                 tprintf(", %#lx", ptr);
 813         tprintf(", %lu", maxnodes);
 814 }
 815
 816 int
 817 sys_mbind(struct tcb *tcp)
 818 {
 819         if (entering(tcp)) {
 820                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 821                 printxval(policies, tcp->u_arg[2], "MPOL_???");
 822                 get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0);
 823                 tprintf(", ");
 824                 printflags(mbindflags, tcp->u_arg[5], "MPOL_???");
 825         }
 826         return 0;
 827 }
 828
 829 int
 830 sys_set_mempolicy(struct tcb *tcp)
 831 {
 832         if (entering(tcp)) {
 833                 printxval(policies, tcp->u_arg[0], "MPOL_???");
 834                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
 835         }
 836         return 0;
 837 }
 838
 839 int
 840 sys_get_mempolicy(struct tcb *tcp)
 841 {
 842         if (exiting(tcp)) {
 843                 int pol;
 844                 if (tcp->u_arg[0] == 0)
 845                         tprintf("NULL");
 846                 else if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &pol) < 0)
 847                         tprintf("%#lx", tcp->u_arg[0]);
 848                 else
 849                         printxval(policies, pol, "MPOL_???");
 850                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp));
 851                 tprintf(", %#lx, ", tcp->u_arg[3]);
 852                 printflags(mempolicyflags, tcp->u_arg[4], "MPOL_???");
 853         }
 854         return 0;
 855 }
 856
 857 int
 858 sys_move_pages(struct tcb *tcp)
 859 {
 860         if (entering(tcp)) {
 861                 unsigned long npages = tcp->u_arg[1];
 862                 tprintf("%ld, %lu, ", tcp->u_arg[0], npages);
 863                 if (tcp->u_arg[2] == 0)
 864                         tprintf("NULL, ");
 865                 else {
 866                         int i;
 867                         long puser = tcp->u_arg[2];
 868                         tprintf("{");
 869                         for (i = 0; i < npages; ++i) {
 870                                 void *p;
 871                                 if (i > 0)
 872                                         tprintf(", ");
 873                                 if (umove(tcp, puser, &p) < 0) {
 874                                         tprintf("???");
 875                                         break;
 876                                 }
 877                                 tprintf("%p", p);
 878                                 puser += sizeof(void *);
 879                         }
 880                         tprintf("}, ");
 881                 }
 882                 if (tcp->u_arg[3] == 0)
 883                         tprintf("NULL, ");
 884                 else {
 885                         int i;
 886                         long nodeuser = tcp->u_arg[3];
 887                         tprintf("{");
 888                         for (i = 0; i < npages; ++i) {
 889                                 int node;
 890                                 if (i > 0)
 891                                         tprintf(", ");
 892                                 if (umove(tcp, nodeuser, &node) < 0) {
 893                                         tprintf("???");
 894                                         break;
 895                                 }
 896                                 tprintf("%#x", node);
 897                                 nodeuser += sizeof(int);
 898                         }
 899                         tprintf("}, ");
 900                 }
 901         }
 902         if (exiting(tcp)) {
 903                 unsigned long npages = tcp->u_arg[1];
 904                 if (tcp->u_arg[4] == 0)
 905                         tprintf("NULL, ");
 906                 else {
 907                         int i;
 908                         long statususer = tcp->u_arg[4];
 909                         tprintf("{");
 910                         for (i = 0; i < npages; ++i) {
 911                                 int status;
 912                                 if (i > 0)
 913                                         tprintf(", ");
 914                                 if (umove(tcp, statususer, &status) < 0) {
 915                                         tprintf("???");
 916                                         break;
 917                                 }
 918                                 tprintf("%#x", status);
 919                                 statususer += sizeof(int);
 920                         }
 921                         tprintf("}, ");
 922                 }
 923                 printflags(move_pages_flags, tcp->u_arg[5], "MPOL_???");
 924         }
 925         return 0;
 926 }
 927 #endif
 928
 929 #if defined(LINUX) && defined(POWERPC)
 930 int
 931 sys_subpage_prot(struct tcb *tcp)
 932 {
 933         if (entering(tcp)) {
 934                 unsigned long cur, end, abbrev_end, entries;
 935                 unsigned int entry;
 936
 937                 tprintf("%#lx, %#lx, ", tcp->u_arg[0], tcp->u_arg[1]);
 938                 entries = tcp->u_arg[1] >> 16;
 939                 if (!entries || !tcp->u_arg[2]) {
 940                         tprintf("{}");
 941                         return 0;
 942                 }
 943                 cur = tcp->u_arg[2];
 944                 end = cur + (sizeof(int) * entries);
 945                 if (!verbose(tcp) || end < tcp->u_arg[2]) {
 946                         tprintf("%#lx", tcp->u_arg[2]);
 947                         return 0;
 948                 }
 949                 if (abbrev(tcp)) {
 950                         abbrev_end = cur + (sizeof(int) * max_strlen);
 951                         if (abbrev_end > end)
 952                                 abbrev_end = end;
 953                 }
 954                 else
 955                         abbrev_end = end;
 956                 tprintf("{");
 957                 for (; cur < end; cur += sizeof(int)) {
 958                         if (cur > tcp->u_arg[2])
 959                                 tprintf(", ");
 960                         if (cur >= abbrev_end) {
 961                                 tprintf("...");
 962                                 break;
 963                         }
 964                         if (umove(tcp, cur, &entry) < 0) {
 965                                 tprintf("??? [%#lx]", cur);
 966                                 break;
 967                         }
 968                         else
 969                                 tprintf("%#08x", entry);
 970                 }
 971                 tprintf("}");
 972         }
 973
 974         return 0;
 975 }
 976 #endif