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   1 /*
   2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
   3  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
   4  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
   5  * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
   6  * Copyright (c) 2000 PocketPenguins Inc.  Linux for Hitachi SuperH
   7  *                    port by Greg Banks <gbanks@pocketpenguins.com>
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  *      $Id$
  33  */
  34
  35 #include "defs.h"
  36
  37 #ifdef LINUX
  38 #include <asm/mman.h>
  39 #endif
  40 #include <sys/mman.h>
  41
  42 #if defined(LINUX) && defined(I386)
  43 # include <asm/ldt.h>
  44 # ifdef HAVE_STRUCT_USER_DESC
  45 #  define modify_ldt_ldt_s user_desc
  46 # endif
  47 #endif
  48 #if defined(LINUX) && defined(SH64)
  49 # include <asm/page.h>      /* for PAGE_SHIFT */
  50 #endif
  51
  52 #ifdef HAVE_LONG_LONG_OFF_T
  53 /*
  54  * Ugly hacks for systems that have a long long off_t
  55  */
  56 #define sys_mmap64      sys_mmap
  57 #endif
  58
  59 int
  60 sys_brk(struct tcb *tcp)
  61 {
  62         if (entering(tcp)) {
  63                 tprintf("%#lx", tcp->u_arg[0]);
  64         }
  65 #ifdef LINUX
  66         return RVAL_HEX;
  67 #else
  68         return 0;
  69 #endif
  70 }
  71
  72 #if defined(FREEBSD) || defined(SUNOS4)
  73 int
  74 sys_sbrk(struct tcb *tcp)
  75 {
  76         if (entering(tcp)) {
  77                 tprintf("%lu", tcp->u_arg[0]);
  78         }
  79         return RVAL_HEX;
  80 }
  81 #endif /* FREEBSD || SUNOS4 */
  82
  83 static const struct xlat mmap_prot[] = {
  84         { PROT_NONE,    "PROT_NONE",    },
  85         { PROT_READ,    "PROT_READ"     },
  86         { PROT_WRITE,   "PROT_WRITE"    },
  87         { PROT_EXEC,    "PROT_EXEC"     },
  88 #ifdef PROT_SEM
  89         { PROT_SEM,     "PROT_SEM"      },
  90 #endif
  91 #ifdef PROT_GROWSDOWN
  92         { PROT_GROWSDOWN,"PROT_GROWSDOWN"},
  93 #endif
  94 #ifdef PROT_GROWSUP
  95         { PROT_GROWSUP, "PROT_GROWSUP"  },
  96 #endif
  97 #ifdef PROT_SAO
  98         { PROT_SAO,     "PROT_SAO"      },
  99 #endif
 100         { 0,            NULL            },
 101 };
 102
 103 static const struct xlat mmap_flags[] = {
 104         { MAP_SHARED,   "MAP_SHARED"    },
 105         { MAP_PRIVATE,  "MAP_PRIVATE"   },
 106         { MAP_FIXED,    "MAP_FIXED"     },
 107 #ifdef MAP_ANONYMOUS
 108         { MAP_ANONYMOUS,"MAP_ANONYMOUS" },
 109 #endif
 110 #ifdef MAP_32BIT
 111         { MAP_32BIT,    "MAP_32BIT"     },
 112 #endif
 113 #ifdef MAP_RENAME
 114         { MAP_RENAME,   "MAP_RENAME"    },
 115 #endif
 116 #ifdef MAP_NORESERVE
 117         { MAP_NORESERVE,"MAP_NORESERVE" },
 118 #endif
 119 #ifdef MAP_POPULATE
 120         { MAP_POPULATE, "MAP_POPULATE" },
 121 #endif
 122 #ifdef MAP_NONBLOCK
 123         { MAP_NONBLOCK, "MAP_NONBLOCK" },
 124 #endif
 125         /*
 126          * XXX - this was introduced in SunOS 4.x to distinguish between
 127          * the old pre-4.x "mmap()", which:
 128          *
 129          *      only let you map devices with an "mmap" routine (e.g.,
 130          *      frame buffers) in;
 131          *
 132          *      required you to specify the mapping address;
 133          *
 134          *      returned 0 on success and -1 on failure;
 135          *
 136          * memory and which, and the 4.x "mmap()" which:
 137          *
 138          *      can map plain files;
 139          *
 140          *      can be asked to pick where to map the file;
 141          *
 142          *      returns the address where it mapped the file on success
 143          *      and -1 on failure.
 144          *
 145          * It's not actually used in source code that calls "mmap()"; the
 146          * "mmap()" routine adds it for you.
 147          *
 148          * It'd be nice to come up with some way of eliminating it from
 149          * the flags, e.g. reporting calls *without* it as "old_mmap()"
 150          * and calls with it as "mmap()".
 151          */
 152 #ifdef _MAP_NEW
 153         { _MAP_NEW,     "_MAP_NEW"      },
 154 #endif
 155 #ifdef MAP_GROWSDOWN
 156         { MAP_GROWSDOWN,"MAP_GROWSDOWN" },
 157 #endif
 158 #ifdef MAP_DENYWRITE
 159         { MAP_DENYWRITE,"MAP_DENYWRITE" },
 160 #endif
 161 #ifdef MAP_EXECUTABLE
 162         { MAP_EXECUTABLE,"MAP_EXECUTABLE"},
 163 #endif
 164 #ifdef MAP_INHERIT
 165         { MAP_INHERIT,"MAP_INHERIT"     },
 166 #endif
 167 #ifdef MAP_FILE
 168         { MAP_FILE,"MAP_FILE"},
 169 #endif
 170 #ifdef MAP_LOCKED
 171         { MAP_LOCKED,"MAP_LOCKED"},
 172 #endif
 173         /* FreeBSD ones */
 174 #ifdef MAP_ANON
 175         { MAP_ANON,             "MAP_ANON"      },
 176 #endif
 177 #ifdef MAP_HASSEMAPHORE
 178         { MAP_HASSEMAPHORE,     "MAP_HASSEMAPHORE"      },
 179 #endif
 180 #ifdef MAP_STACK
 181         { MAP_STACK,            "MAP_STACK"     },
 182 #endif
 183 #ifdef MAP_NOSYNC
 184         { MAP_NOSYNC,           "MAP_NOSYNC"    },
 185 #endif
 186 #ifdef MAP_NOCORE
 187         { MAP_NOCORE,           "MAP_NOCORE"    },
 188 #endif
 189 #ifdef TILE
 190         { MAP_CACHE_NO_LOCAL, "MAP_CACHE_NO_LOCAL" },
 191         { MAP_CACHE_NO_L2, "MAP_CACHE_NO_L2" },
 192         { MAP_CACHE_NO_L1, "MAP_CACHE_NO_L1" },
 193 #endif
 194         { 0,            NULL            },
 195 };
 196
 197 #ifdef TILE
 198 static int
 199 addtileflags(long flags)
 200 {
 201         long home = flags & _MAP_CACHE_MKHOME(_MAP_CACHE_HOME_MASK);
 202         flags &= ~_MAP_CACHE_MKHOME(_MAP_CACHE_HOME_MASK);
 203
 204         if (flags & _MAP_CACHE_INCOHERENT) {
 205                 flags &= ~_MAP_CACHE_INCOHERENT;
 206                 if (home == MAP_CACHE_HOME_NONE) {
 207                         tprintf("|MAP_CACHE_INCOHERENT");
 208                         return flags;
 209                 }
 210                 tprintf("|_MAP_CACHE_INCOHERENT");
 211         }
 212
 213         switch (home) {
 214         case 0: break;
 215         case MAP_CACHE_HOME_HERE: tprintf("|MAP_CACHE_HOME_HERE"); break;
 216         case MAP_CACHE_HOME_NONE: tprintf("|MAP_CACHE_HOME_NONE"); break;
 217         case MAP_CACHE_HOME_SINGLE: tprintf("|MAP_CACHE_HOME_SINGLE"); break;
 218         case MAP_CACHE_HOME_TASK: tprintf("|MAP_CACHE_HOME_TASK"); break;
 219         case MAP_CACHE_HOME_HASH: tprintf("|MAP_CACHE_HOME_HASH"); break;
 220         default:
 221                 tprintf("|MAP_CACHE_HOME(%d)",
 222                         (home >> _MAP_CACHE_HOME_SHIFT) );
 223                 break;
 224         }
 225
 226         return flags;
 227 }
 228 #endif
 229
 230 #if !HAVE_LONG_LONG_OFF_T
 231 static int
 232 print_mmap(struct tcb *tcp, long *u_arg, long long offset)
 233 {
 234         if (entering(tcp)) {
 235                 /* addr */
 236                 if (!u_arg[0])
 237                         tprintf("NULL, ");
 238                 else
 239                         tprintf("%#lx, ", u_arg[0]);
 240                 /* len */
 241                 tprintf("%lu, ", u_arg[1]);
 242                 /* prot */
 243                 printflags(mmap_prot, u_arg[2], "PROT_???");
 244                 tprintf(", ");
 245                 /* flags */
 246 #ifdef MAP_TYPE
 247                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 248 #ifdef TILE
 249                 addflags(mmap_flags, addtileflags(u_arg[3] & ~MAP_TYPE));
 250 #else
 251                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 252 #endif
 253 #else
 254                 printflags(mmap_flags, u_arg[3], "MAP_???");
 255 #endif
 256                 /* fd */
 257                 tprintf(", ");
 258                 printfd(tcp, u_arg[4]);
 259                 /* offset */
 260                 tprintf(", %#llx", offset);
 261         }
 262         return RVAL_HEX;
 263 }
 264
 265 #ifdef LINUX
 266 int sys_old_mmap(struct tcb *tcp)
 267 {
 268 #if defined(IA64)
 269         /*
 270          * IA64 processes never call this routine, they only use the
 271          * new `sys_mmap' interface.
 272          * For IA32 processes, this code converts the integer arguments
 273          * that they pushed onto the stack, into longs.
 274          *
 275          * Note that addresses with bit 31 set will be sign extended.
 276          * Fortunately, those addresses are not currently being generated
 277          * for IA32 processes so it's not a problem.
 278          */
 279         int i;
 280         long u_arg[6];
 281         int narrow_arg[6];
 282         if (umoven(tcp, tcp->u_arg[0], sizeof(narrow_arg), (char *) narrow_arg) == -1)
 283                 return 0;
 284         for (i = 0; i < 6; i++)
 285                 u_arg[i] = narrow_arg[i];
 286 #elif defined(SH) || defined(SH64)
 287         /* SH has always passed the args in registers */
 288         long *u_arg = tcp->u_arg;
 289 #else
 290         long u_arg[6];
 291 # if defined(X86_64)
 292         if (current_personality == 1) {
 293                 int i;
 294                 unsigned narrow_arg[6];
 295                 if (umoven(tcp, tcp->u_arg[0], sizeof(narrow_arg), (char *) narrow_arg) == -1)
 296                         return 0;
 297                 for (i = 0; i < 6; ++i)
 298                         u_arg[i] = narrow_arg[i];
 299         }
 300         else
 301 # endif
 302         if (umoven(tcp, tcp->u_arg[0], sizeof(u_arg), (char *) u_arg) == -1)
 303                 return 0;
 304 #endif /* other architectures */
 305
 306         return print_mmap(tcp, u_arg, u_arg[5]);
 307 }
 308 #endif /* LINUX */
 309
 310 int
 311 sys_mmap(struct tcb *tcp)
 312 {
 313         long long offset = tcp->u_arg[5];
 314
 315         /* FIXME: why only SH64? i386 mmap2 syscall ends up
 316          * in this function, but does not convert offset
 317          * from pages to bytes. See test/mmap_offset_decode.c
 318          * Why SH64 and i386 are handled differently?
 319          */
 320 #if defined(LINUX) && defined(SH64)
 321         /*
 322          * Old mmap differs from new mmap in specifying the
 323          * offset in units of bytes rather than pages.  We
 324          * pretend it's in byte units so the user only ever
 325          * sees bytes in the printout.
 326          */
 327         offset <<= PAGE_SHIFT;
 328 #endif
 329 #if defined(LINUX_MIPSN32)
 330         offset = tcp->ext_arg[5];
 331 #endif
 332         return print_mmap(tcp, tcp->u_arg, offset);
 333 }
 334 #endif /* !HAVE_LONG_LONG_OFF_T */
 335
 336 #if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
 337 /* TODO: comment which arches use this routine.
 338  * For one, does ALPHA on Linux use this??
 339  * From code it seems that it might use 7 or 8 registers,
 340  * which is strange - Linux syscalls can pass maximum of 6 parameters!
 341  */
 342 int
 343 sys_mmap64(struct tcb *tcp)
 344 {
 345         if (entering(tcp)) {
 346 #if !defined(LINUX) || defined(ALPHA)
 347                 long *u_arg = tcp->u_arg;
 348 #else
 349                 long u_arg[7];
 350                 if (umoven(tcp, tcp->u_arg[0], sizeof u_arg,
 351                                 (char *) u_arg) == -1)
 352                         return 0;
 353 #endif
 354                 /* addr */
 355                 tprintf("%#lx, ", u_arg[0]);
 356                 /* len */
 357                 tprintf("%lu, ", u_arg[1]);
 358                 /* prot */
 359                 printflags(mmap_prot, u_arg[2], "PROT_???");
 360                 tprintf(", ");
 361                 /* flags */
 362 #ifdef MAP_TYPE
 363                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 364                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 365 #else
 366                 printflags(mmap_flags, u_arg[3], "MAP_???");
 367 #endif
 368                 /* fd */
 369                 tprintf(", ");
 370                 printfd(tcp, u_arg[4]);
 371                 /* offset */
 372 #if !defined(LINUX) || defined(ALPHA)
 373                 printllval(tcp, ", %#llx", 5);
 374 #else
 375                 /* NOTE: not verified that [5] and [6] should be used.
 376                  * It's possible that long long is 64-bit aligned in memory
 377                  * and we need to use [6] and [7] here instead:
 378                  */
 379                 tprintf(", %#llx", LONG_LONG(u_arg[5], u_arg[6]));
 380 #endif
 381         }
 382         return RVAL_HEX;
 383 }
 384 #endif /* _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T */
 385
 386
 387 int
 388 sys_munmap(struct tcb *tcp)
 389 {
 390         if (entering(tcp)) {
 391                 tprintf("%#lx, %lu",
 392                         tcp->u_arg[0], tcp->u_arg[1]);
 393         }
 394         return 0;
 395 }
 396
 397 int
 398 sys_mprotect(struct tcb *tcp)
 399 {
 400         if (entering(tcp)) {
 401                 tprintf("%#lx, %lu, ",
 402                         tcp->u_arg[0], tcp->u_arg[1]);
 403                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 404         }
 405         return 0;
 406 }
 407
 408 #ifdef LINUX
 409
 410 static const struct xlat mremap_flags[] = {
 411         { MREMAP_MAYMOVE,       "MREMAP_MAYMOVE"        },
 412 #ifdef MREMAP_FIXED
 413         { MREMAP_FIXED,         "MREMAP_FIXED"          },
 414 #endif
 415         { 0,                    NULL                    }
 416 };
 417
 418 int
 419 sys_mremap(struct tcb *tcp)
 420 {
 421         if (entering(tcp)) {
 422                 tprintf("%#lx, %lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1],
 423                         tcp->u_arg[2]);
 424                 printflags(mremap_flags, tcp->u_arg[3], "MREMAP_???");
 425 #ifdef MREMAP_FIXED
 426                 if ((tcp->u_arg[3] & (MREMAP_MAYMOVE | MREMAP_FIXED)) ==
 427                     (MREMAP_MAYMOVE | MREMAP_FIXED))
 428                         tprintf(", %#lx", tcp->u_arg[4]);
 429 #endif
 430         }
 431         return RVAL_HEX;
 432 }
 433
 434 static const struct xlat madvise_cmds[] = {
 435 #ifdef MADV_NORMAL
 436         { MADV_NORMAL,          "MADV_NORMAL" },
 437 #endif
 438 #ifdef MADV_RANDOM
 439         { MADV_RANDOM,          "MADV_RANDOM" },
 440 #endif
 441 #ifdef MADV_SEQUENTIAL
 442         { MADV_SEQUENTIAL,      "MADV_SEQUENTIAL" },
 443 #endif
 444 #ifdef MADV_WILLNEED
 445         { MADV_WILLNEED,        "MADV_WILLNEED" },
 446 #endif
 447 #ifdef MADV_DONTNEED
 448         { MADV_DONTNEED,        "MADV_DONTNEED" },
 449 #endif
 450         { 0,                    NULL },
 451 };
 452
 453
 454 int
 455 sys_madvise(struct tcb *tcp)
 456 {
 457         if (entering(tcp)) {
 458                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 459                 printxval(madvise_cmds, tcp->u_arg[2], "MADV_???");
 460         }
 461         return 0;
 462 }
 463
 464
 465 static const struct xlat mlockall_flags[] = {
 466 #ifdef MCL_CURRENT
 467         { MCL_CURRENT,  "MCL_CURRENT" },
 468 #endif
 469 #ifdef MCL_FUTURE
 470         { MCL_FUTURE,   "MCL_FUTURE" },
 471 #endif
 472         { 0,            NULL}
 473 };
 474
 475 int
 476 sys_mlockall(struct tcb *tcp)
 477 {
 478         if (entering(tcp)) {
 479                 printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
 480         }
 481         return 0;
 482 }
 483
 484
 485 #endif /* LINUX */
 486
 487 #ifdef MS_ASYNC
 488
 489 static const struct xlat mctl_sync[] = {
 490 #ifdef MS_SYNC
 491         { MS_SYNC,      "MS_SYNC"       },
 492 #endif
 493         { MS_ASYNC,     "MS_ASYNC"      },
 494         { MS_INVALIDATE,"MS_INVALIDATE" },
 495         { 0,            NULL            },
 496 };
 497
 498 int
 499 sys_msync(struct tcb *tcp)
 500 {
 501         if (entering(tcp)) {
 502                 /* addr */
 503                 tprintf("%#lx", tcp->u_arg[0]);
 504                 /* len */
 505                 tprintf(", %lu, ", tcp->u_arg[1]);
 506                 /* flags */
 507                 printflags(mctl_sync, tcp->u_arg[2], "MS_???");
 508         }
 509         return 0;
 510 }
 511
 512 #endif /* MS_ASYNC */
 513
 514 #ifdef MC_SYNC
 515
 516 static const struct xlat mctl_funcs[] = {
 517         { MC_LOCK,      "MC_LOCK"       },
 518         { MC_LOCKAS,    "MC_LOCKAS"     },
 519         { MC_SYNC,      "MC_SYNC"       },
 520         { MC_UNLOCK,    "MC_UNLOCK"     },
 521         { MC_UNLOCKAS,  "MC_UNLOCKAS"   },
 522         { 0,            NULL            },
 523 };
 524
 525 static const struct xlat mctl_lockas[] = {
 526         { MCL_CURRENT,  "MCL_CURRENT"   },
 527         { MCL_FUTURE,   "MCL_FUTURE"    },
 528         { 0,            NULL            },
 529 };
 530
 531 int
 532 sys_mctl(struct tcb *tcp)
 533 {
 534         int arg, function;
 535
 536         if (entering(tcp)) {
 537                 /* addr */
 538                 tprintf("%#lx", tcp->u_arg[0]);
 539                 /* len */
 540                 tprintf(", %lu, ", tcp->u_arg[1]);
 541                 /* function */
 542                 function = tcp->u_arg[2];
 543                 printflags(mctl_funcs, function, "MC_???");
 544                 /* arg */
 545                 arg = tcp->u_arg[3];
 546                 tprintf(", ");
 547                 switch (function) {
 548                 case MC_SYNC:
 549                         printflags(mctl_sync, arg, "MS_???");
 550                         break;
 551                 case MC_LOCKAS:
 552                         printflags(mctl_lockas, arg, "MCL_???");
 553                         break;
 554                 default:
 555                         tprintf("%#x", arg);
 556                         break;
 557                 }
 558         }
 559         return 0;
 560 }
 561
 562 #endif /* MC_SYNC */
 563
 564 int
 565 sys_mincore(struct tcb *tcp)
 566 {
 567         unsigned long i, len;
 568         char *vec = NULL;
 569
 570         if (entering(tcp)) {
 571                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 572         } else {
 573                 len = tcp->u_arg[1];
 574                 if (syserror(tcp) || tcp->u_arg[2] == 0 ||
 575                         (vec = malloc(len)) == NULL ||
 576                         umoven(tcp, tcp->u_arg[2], len, vec) < 0)
 577                         tprintf("%#lx", tcp->u_arg[2]);
 578                 else {
 579                         tprintf("[");
 580                         for (i = 0; i < len; i++) {
 581                                 if (abbrev(tcp) && i >= max_strlen) {
 582                                         tprintf("...");
 583                                         break;
 584                                 }
 585                                 tprintf((vec[i] & 1) ? "1" : "0");
 586                         }
 587                         tprintf("]");
 588                 }
 589                 if (vec)
 590                         free(vec);
 591         }
 592         return 0;
 593 }
 594
 595 #if defined(ALPHA) || defined(FREEBSD) || defined(IA64) || defined(SUNOS4) || defined(SVR4) || defined(SPARC) || defined(SPARC64)
 596 int
 597 sys_getpagesize(struct tcb *tcp)
 598 {
 599         if (exiting(tcp))
 600                 return RVAL_HEX;
 601         return 0;
 602 }
 603 #endif /* ALPHA || FREEBSD || IA64 || SUNOS4 || SVR4 */
 604
 605 #if defined(LINUX) && defined(__i386__)
 606 void
 607 print_ldt_entry(struct modify_ldt_ldt_s *ldt_entry)
 608 {
 609         tprintf("base_addr:%#08lx, "
 610                 "limit:%d, "
 611                 "seg_32bit:%d, "
 612                 "contents:%d, "
 613                 "read_exec_only:%d, "
 614                 "limit_in_pages:%d, "
 615                 "seg_not_present:%d, "
 616                 "useable:%d}",
 617                 (long) ldt_entry->base_addr,
 618                 ldt_entry->limit,
 619                 ldt_entry->seg_32bit,
 620                 ldt_entry->contents,
 621                 ldt_entry->read_exec_only,
 622                 ldt_entry->limit_in_pages,
 623                 ldt_entry->seg_not_present,
 624                 ldt_entry->useable);
 625 }
 626
 627 int
 628 sys_modify_ldt(struct tcb *tcp)
 629 {
 630         if (entering(tcp)) {
 631                 struct modify_ldt_ldt_s copy;
 632                 tprintf("%ld", tcp->u_arg[0]);
 633                 if (tcp->u_arg[1] == 0
 634                                 || tcp->u_arg[2] != sizeof(struct modify_ldt_ldt_s)
 635                                 || umove(tcp, tcp->u_arg[1], &copy) == -1)
 636                         tprintf(", %lx", tcp->u_arg[1]);
 637                 else {
 638                         tprintf(", {entry_number:%d, ", copy.entry_number);
 639                         if (!verbose(tcp))
 640                                 tprintf("...}");
 641                         else {
 642                                 print_ldt_entry(&copy);
 643                         }
 644                 }
 645                 tprintf(", %lu", tcp->u_arg[2]);
 646         }
 647         return 0;
 648 }
 649
 650 int
 651 sys_set_thread_area(struct tcb *tcp)
 652 {
 653         struct modify_ldt_ldt_s copy;
 654         if (entering(tcp)) {
 655                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 656                         if (copy.entry_number == -1)
 657                                 tprintf("{entry_number:%d -> ",
 658                                         copy.entry_number);
 659                         else
 660                                 tprintf("{entry_number:");
 661                 }
 662         } else {
 663                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 664                         tprintf("%d, ", copy.entry_number);
 665                         if (!verbose(tcp))
 666                                 tprintf("...}");
 667                         else {
 668                                 print_ldt_entry(&copy);
 669                         }
 670                 } else {
 671                         tprintf("%lx", tcp->u_arg[0]);
 672                 }
 673         }
 674         return 0;
 675
 676 }
 677
 678 int
 679 sys_get_thread_area(struct tcb *tcp)
 680 {
 681         struct modify_ldt_ldt_s copy;
 682         if (exiting(tcp)) {
 683                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 684                         tprintf("{entry_number:%d, ", copy.entry_number);
 685                         if (!verbose(tcp))
 686                                 tprintf("...}");
 687                         else {
 688                                 print_ldt_entry(&copy);
 689                         }
 690                 } else {
 691                         tprintf("%lx", tcp->u_arg[0]);
 692                 }
 693         }
 694         return 0;
 695
 696 }
 697 #endif /* LINUX && __i386__ */
 698
 699 #if defined(LINUX) && defined(M68K)
 700
 701 int
 702 sys_set_thread_area(struct tcb *tcp)
 703 {
 704         if (entering(tcp))
 705                 tprintf("%#lx", tcp->u_arg[0]);
 706         return 0;
 707
 708 }
 709
 710 int
 711 sys_get_thread_area(struct tcb *tcp)
 712 {
 713         return RVAL_HEX;
 714 }
 715 #endif
 716
 717 #if defined(LINUX)
 718 int
 719 sys_remap_file_pages(struct tcb *tcp)
 720 {
 721         if (entering(tcp)) {
 722                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 723                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 724                 tprintf(", %lu, ", tcp->u_arg[3]);
 725 #ifdef MAP_TYPE
 726                 printxval(mmap_flags, tcp->u_arg[4] & MAP_TYPE, "MAP_???");
 727                 addflags(mmap_flags, tcp->u_arg[4] & ~MAP_TYPE);
 728 #else
 729                 printflags(mmap_flags, tcp->u_arg[4], "MAP_???");
 730 #endif
 731         }
 732         return 0;
 733 }
 734
 735
 736 #define MPOL_DEFAULT    0
 737 #define MPOL_PREFERRED  1
 738 #define MPOL_BIND       2
 739 #define MPOL_INTERLEAVE 3
 740
 741 #define MPOL_F_NODE     (1<<0)
 742 #define MPOL_F_ADDR     (1<<1)
 743
 744 #define MPOL_MF_STRICT  (1<<0)
 745 #define MPOL_MF_MOVE    (1<<1)
 746 #define MPOL_MF_MOVE_ALL (1<<2)
 747
 748
 749 static const struct xlat policies[] = {
 750         { MPOL_DEFAULT,         "MPOL_DEFAULT"          },
 751         { MPOL_PREFERRED,       "MPOL_PREFERRED"        },
 752         { MPOL_BIND,            "MPOL_BIND"             },
 753         { MPOL_INTERLEAVE,      "MPOL_INTERLEAVE"       },
 754         { 0,                    NULL                    }
 755 };
 756
 757 static const struct xlat mbindflags[] = {
 758         { MPOL_MF_STRICT,       "MPOL_MF_STRICT"        },
 759         { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
 760         { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
 761         { 0,                    NULL                    }
 762 };
 763
 764 static const struct xlat mempolicyflags[] = {
 765         { MPOL_F_NODE,          "MPOL_F_NODE"           },
 766         { MPOL_F_ADDR,          "MPOL_F_ADDR"           },
 767         { 0,                    NULL                    }
 768 };
 769
 770 static const struct xlat move_pages_flags[] = {
 771         { MPOL_MF_MOVE,         "MPOL_MF_MOVE"          },
 772         { MPOL_MF_MOVE_ALL,     "MPOL_MF_MOVE_ALL"      },
 773         { 0,                    NULL                    }
 774 };
 775
 776
 777 static void
 778 get_nodes(struct tcb *tcp, unsigned long ptr, unsigned long maxnodes, int err)
 779 {
 780         unsigned long nlongs, size, end;
 781
 782         nlongs = (maxnodes + 8 * sizeof(long) - 1) / (8 * sizeof(long));
 783         size = nlongs * sizeof(long);
 784         end = ptr + size;
 785         if (nlongs == 0 || ((err || verbose(tcp)) && (size * 8 == maxnodes)
 786                             && (end > ptr))) {
 787                 unsigned long n, cur, abbrev_end;
 788                 int failed = 0;
 789
 790                 if (abbrev(tcp)) {
 791                         abbrev_end = ptr + max_strlen * sizeof(long);
 792                         if (abbrev_end < ptr)
 793                                 abbrev_end = end;
 794                 } else {
 795                         abbrev_end = end;
 796                 }
 797                 tprintf(", {");
 798                 for (cur = ptr; cur < end; cur += sizeof(long)) {
 799                         if (cur > ptr)
 800                                 tprintf(", ");
 801                         if (cur >= abbrev_end) {
 802                                 tprintf("...");
 803                                 break;
 804                         }
 805                         if (umoven(tcp, cur, sizeof(n), (char *) &n) < 0) {
 806                                 tprintf("?");
 807                                 failed = 1;
 808                                 break;
 809                         }
 810                         tprintf("%#0*lx", (int) sizeof(long) * 2 + 2, n);
 811                 }
 812                 tprintf("}");
 813                 if (failed)
 814                         tprintf(" %#lx", ptr);
 815         } else
 816                 tprintf(", %#lx", ptr);
 817         tprintf(", %lu", maxnodes);
 818 }
 819
 820 int
 821 sys_mbind(struct tcb *tcp)
 822 {
 823         if (entering(tcp)) {
 824                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 825                 printxval(policies, tcp->u_arg[2], "MPOL_???");
 826                 get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0);
 827                 tprintf(", ");
 828                 printflags(mbindflags, tcp->u_arg[5], "MPOL_???");
 829         }
 830         return 0;
 831 }
 832
 833 int
 834 sys_set_mempolicy(struct tcb *tcp)
 835 {
 836         if (entering(tcp)) {
 837                 printxval(policies, tcp->u_arg[0], "MPOL_???");
 838                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
 839         }
 840         return 0;
 841 }
 842
 843 int
 844 sys_get_mempolicy(struct tcb *tcp)
 845 {
 846         if (exiting(tcp)) {
 847                 int pol;
 848                 if (tcp->u_arg[0] == 0)
 849                         tprintf("NULL");
 850                 else if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &pol) < 0)
 851                         tprintf("%#lx", tcp->u_arg[0]);
 852                 else
 853                         printxval(policies, pol, "MPOL_???");
 854                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp));
 855                 tprintf(", %#lx, ", tcp->u_arg[3]);
 856                 printflags(mempolicyflags, tcp->u_arg[4], "MPOL_???");
 857         }
 858         return 0;
 859 }
 860
 861 int
 862 sys_move_pages(struct tcb *tcp)
 863 {
 864         if (entering(tcp)) {
 865                 unsigned long npages = tcp->u_arg[1];
 866                 tprintf("%ld, %lu, ", tcp->u_arg[0], npages);
 867                 if (tcp->u_arg[2] == 0)
 868                         tprintf("NULL, ");
 869                 else {
 870                         int i;
 871                         long puser = tcp->u_arg[2];
 872                         tprintf("{");
 873                         for (i = 0; i < npages; ++i) {
 874                                 void *p;
 875                                 if (i > 0)
 876                                         tprintf(", ");
 877                                 if (umove(tcp, puser, &p) < 0) {
 878                                         tprintf("???");
 879                                         break;
 880                                 }
 881                                 tprintf("%p", p);
 882                                 puser += sizeof(void *);
 883                         }
 884                         tprintf("}, ");
 885                 }
 886                 if (tcp->u_arg[3] == 0)
 887                         tprintf("NULL, ");
 888                 else {
 889                         int i;
 890                         long nodeuser = tcp->u_arg[3];
 891                         tprintf("{");
 892                         for (i = 0; i < npages; ++i) {
 893                                 int node;
 894                                 if (i > 0)
 895                                         tprintf(", ");
 896                                 if (umove(tcp, nodeuser, &node) < 0) {
 897                                         tprintf("???");
 898                                         break;
 899                                 }
 900                                 tprintf("%#x", node);
 901                                 nodeuser += sizeof(int);
 902                         }
 903                         tprintf("}, ");
 904                 }
 905         }
 906         if (exiting(tcp)) {
 907                 unsigned long npages = tcp->u_arg[1];
 908                 if (tcp->u_arg[4] == 0)
 909                         tprintf("NULL, ");
 910                 else {
 911                         int i;
 912                         long statususer = tcp->u_arg[4];
 913                         tprintf("{");
 914                         for (i = 0; i < npages; ++i) {
 915                                 int status;
 916                                 if (i > 0)
 917                                         tprintf(", ");
 918                                 if (umove(tcp, statususer, &status) < 0) {
 919                                         tprintf("???");
 920                                         break;
 921                                 }
 922                                 tprintf("%#x", status);
 923                                 statususer += sizeof(int);
 924                         }
 925                         tprintf("}, ");
 926                 }
 927                 printflags(move_pages_flags, tcp->u_arg[5], "MPOL_???");
 928         }
 929         return 0;
 930 }
 931 #endif
 932
 933 #if defined(LINUX) && defined(POWERPC)
 934 int
 935 sys_subpage_prot(struct tcb *tcp)
 936 {
 937         if (entering(tcp)) {
 938                 unsigned long cur, end, abbrev_end, entries;
 939                 unsigned int entry;
 940
 941                 tprintf("%#lx, %#lx, ", tcp->u_arg[0], tcp->u_arg[1]);
 942                 entries = tcp->u_arg[1] >> 16;
 943                 if (!entries || !tcp->u_arg[2]) {
 944                         tprintf("{}");
 945                         return 0;
 946                 }
 947                 cur = tcp->u_arg[2];
 948                 end = cur + (sizeof(int) * entries);
 949                 if (!verbose(tcp) || end < tcp->u_arg[2]) {
 950                         tprintf("%#lx", tcp->u_arg[2]);
 951                         return 0;
 952                 }
 953                 if (abbrev(tcp)) {
 954                         abbrev_end = cur + (sizeof(int) * max_strlen);
 955                         if (abbrev_end > end)
 956                                 abbrev_end = end;
 957                 }
 958                 else
 959                         abbrev_end = end;
 960                 tprintf("{");
 961                 for (; cur < end; cur += sizeof(int)) {
 962                         if (cur > tcp->u_arg[2])
 963                                 tprintf(", ");
 964                         if (cur >= abbrev_end) {
 965                                 tprintf("...");
 966                                 break;
 967                         }
 968                         if (umove(tcp, cur, &entry) < 0) {
 969                                 tprintf("??? [%#lx]", cur);
 970                                 break;
 971                         }
 972                         else
 973                                 tprintf("%#08x", entry);
 974                 }
 975                 tprintf("}");
 976         }
 977
 978         return 0;
 979 }
 980 #endif