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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         { 0,            NULL            },
 100 };
 101
 102 static const struct xlat mmap_flags[] = {
 103         { MAP_SHARED,   "MAP_SHARED"    },
 104         { MAP_PRIVATE,  "MAP_PRIVATE"   },
 105         { MAP_FIXED,    "MAP_FIXED"     },
 106 #ifdef MAP_ANONYMOUS
 107         { MAP_ANONYMOUS,"MAP_ANONYMOUS" },
 108 #endif
 109 #ifdef MAP_RENAME
 110         { MAP_RENAME,   "MAP_RENAME"    },
 111 #endif
 112 #ifdef MAP_NORESERVE
 113         { MAP_NORESERVE,"MAP_NORESERVE" },
 114 #endif
 115 #ifdef MAP_POPULATE
 116         { MAP_POPULATE, "MAP_POPULATE" },
 117 #endif
 118 #ifdef MAP_NONBLOCK
 119         { MAP_NONBLOCK, "MAP_NONBLOCK" },
 120 #endif
 121         /*
 122          * XXX - this was introduced in SunOS 4.x to distinguish between
 123          * the old pre-4.x "mmap()", which:
 124          *
 125          *      only let you map devices with an "mmap" routine (e.g.,
 126          *      frame buffers) in;
 127          *
 128          *      required you to specify the mapping address;
 129          *
 130          *      returned 0 on success and -1 on failure;
 131          *
 132          * memory and which, and the 4.x "mmap()" which:
 133          *
 134          *      can map plain files;
 135          *
 136          *      can be asked to pick where to map the file;
 137          *
 138          *      returns the address where it mapped the file on success
 139          *      and -1 on failure.
 140          *
 141          * It's not actually used in source code that calls "mmap()"; the
 142          * "mmap()" routine adds it for you.
 143          *
 144          * It'd be nice to come up with some way of eliminating it from
 145          * the flags, e.g. reporting calls *without* it as "old_mmap()"
 146          * and calls with it as "mmap()".
 147          */
 148 #ifdef _MAP_NEW
 149         { _MAP_NEW,     "_MAP_NEW"      },
 150 #endif
 151 #ifdef MAP_GROWSDOWN
 152         { MAP_GROWSDOWN,"MAP_GROWSDOWN" },
 153 #endif
 154 #ifdef MAP_DENYWRITE
 155         { MAP_DENYWRITE,"MAP_DENYWRITE" },
 156 #endif
 157 #ifdef MAP_EXECUTABLE
 158         { MAP_EXECUTABLE,"MAP_EXECUTABLE"},
 159 #endif
 160 #ifdef MAP_INHERIT
 161         { MAP_INHERIT,"MAP_INHERIT"     },
 162 #endif
 163 #ifdef MAP_FILE
 164         { MAP_FILE,"MAP_FILE"},
 165 #endif
 166 #ifdef MAP_LOCKED
 167         { MAP_LOCKED,"MAP_LOCKED"},
 168 #endif
 169         /* FreeBSD ones */
 170 #ifdef MAP_ANON
 171         { MAP_ANON,             "MAP_ANON"      },
 172 #endif
 173 #ifdef MAP_HASSEMAPHORE
 174         { MAP_HASSEMAPHORE,     "MAP_HASSEMAPHORE"      },
 175 #endif
 176 #ifdef MAP_STACK
 177         { MAP_STACK,            "MAP_STACK"     },
 178 #endif
 179 #ifdef MAP_NOSYNC
 180         { MAP_NOSYNC,           "MAP_NOSYNC"    },
 181 #endif
 182 #ifdef MAP_NOCORE
 183         { MAP_NOCORE,           "MAP_NOCORE"    },
 184 #endif
 185         { 0,            NULL            },
 186 };
 187
 188 #if !HAVE_LONG_LONG_OFF_T
 189 static
 190 int
 191 print_mmap(tcp,u_arg)
 192 struct tcb *tcp;
 193 long *u_arg;
 194 {
 195         if (entering(tcp)) {
 196                 /* addr */
 197                 if (!u_arg[0])
 198                         tprintf("NULL, ");
 199                 else
 200                         tprintf("%#lx, ", u_arg[0]);
 201                 /* len */
 202                 tprintf("%lu, ", u_arg[1]);
 203                 /* prot */
 204                 printflags(mmap_prot, u_arg[2], "PROT_???");
 205                 tprintf(", ");
 206                 /* flags */
 207 #ifdef MAP_TYPE
 208                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 209                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 210 #else
 211                 printflags(mmap_flags, u_arg[3], "MAP_???");
 212 #endif
 213                 /* fd (is always int, not long) */
 214                 tprintf(", %d, ", (int)u_arg[4]);
 215                 /* offset */
 216                 tprintf("%#lx", u_arg[5]);
 217         }
 218         return RVAL_HEX;
 219 }
 220
 221 #ifdef LINUX
 222 int sys_old_mmap(tcp)
 223 struct tcb *tcp;
 224 {
 225     long u_arg[6];
 226
 227 #if     defined(IA64)
 228     int i, v;
 229     /*
 230      *  IA64 processes never call this routine, they only use the
 231      *  new `sys_mmap' interface.  This code converts the integer
 232      *  arguments that the IA32 process pushed onto the stack into
 233      *  longs.
 234      *
 235      *  Note that addresses with bit 31 set will be sign extended.
 236      *  Fortunately, those addresses are not currently being generated
 237      *  for IA32 processes so it's not a problem.
 238      */
 239     for (i = 0; i < 6; i++)
 240         if (umove(tcp, tcp->u_arg[0] + (i * sizeof(int)), &v) == -1)
 241                 return 0;
 242         else
 243                 u_arg[i] = v;
 244 #elif defined(SH) || defined(SH64)
 245     /* SH has always passed the args in registers */
 246     int i;
 247     for (i=0; i<6; i++)
 248         u_arg[i] = tcp->u_arg[i];
 249 #else
 250 # if defined(X86_64)
 251     if (current_personality == 1) {
 252             int i;
 253             for (i = 0; i < 6; ++i) {
 254                     unsigned int val;
 255                     if (umove(tcp, tcp->u_arg[0] + i * 4, &val) == -1)
 256                             return 0;
 257                     u_arg[i] = val;
 258             }
 259     }
 260     else
 261 # endif
 262     if (umoven(tcp, tcp->u_arg[0], sizeof u_arg, (char *) u_arg) == -1)
 263             return 0;
 264 #endif  // defined(IA64)
 265     return print_mmap(tcp, u_arg);
 266
 267 }
 268 #endif
 269
 270 int
 271 sys_mmap(tcp)
 272 struct tcb *tcp;
 273 {
 274 #if defined(LINUX) && defined(SH64)
 275     /*
 276      * Old mmap differs from new mmap in specifying the
 277      * offset in units of bytes rather than pages.  We
 278      * pretend it's in byte units so the user only ever
 279      * sees bytes in the printout.
 280      */
 281     tcp->u_arg[5] <<= PAGE_SHIFT;
 282 #endif
 283     return print_mmap(tcp, tcp->u_arg);
 284 }
 285 #endif /* !HAVE_LONG_LONG_OFF_T */
 286
 287 #if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
 288 int
 289 sys_mmap64(tcp)
 290 struct tcb *tcp;
 291 {
 292 #ifdef linux
 293 #ifdef ALPHA
 294         long *u_arg = tcp->u_arg;
 295 #else /* !ALPHA */
 296         long u_arg[7];
 297 #endif /* !ALPHA */
 298 #else /* !linux */
 299         long *u_arg = tcp->u_arg;
 300 #endif /* !linux */
 301
 302         if (entering(tcp)) {
 303 #ifdef linux
 304 #ifndef ALPHA
 305                 if (umoven(tcp, tcp->u_arg[0], sizeof u_arg,
 306                                 (char *) u_arg) == -1)
 307                         return 0;
 308 #endif /* ALPHA */
 309 #endif /* linux */
 310                 ALIGN64 (tcp, 5);       /* FreeBSD wierdies */
 311
 312                 /* addr */
 313                 tprintf("%#lx, ", u_arg[0]);
 314                 /* len */
 315                 tprintf("%lu, ", u_arg[1]);
 316                 /* prot */
 317                 printflags(mmap_prot, u_arg[2], "PROT_???");
 318                 tprintf(", ");
 319                 /* flags */
 320 #ifdef MAP_TYPE
 321                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 322                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 323 #else
 324                 printflags(mmap_flags, u_arg[3], "MAP_???");
 325 #endif
 326                 /* fd */
 327                 tprintf(", %ld, ", u_arg[4]);
 328                 /* offset */
 329                 tprintf("%#llx", LONG_LONG(u_arg[5], u_arg[6]));
 330         }
 331         return RVAL_HEX;
 332 }
 333 #endif
 334
 335
 336 int
 337 sys_munmap(tcp)
 338 struct tcb *tcp;
 339 {
 340         if (entering(tcp)) {
 341                 tprintf("%#lx, %lu",
 342                         tcp->u_arg[0], tcp->u_arg[1]);
 343         }
 344         return 0;
 345 }
 346
 347 int
 348 sys_mprotect(tcp)
 349 struct tcb *tcp;
 350 {
 351         if (entering(tcp)) {
 352                 tprintf("%#lx, %lu, ",
 353                         tcp->u_arg[0], tcp->u_arg[1]);
 354                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 355         }
 356         return 0;
 357 }
 358
 359 #ifdef LINUX
 360
 361 static const struct xlat mremap_flags[] = {
 362         { MREMAP_MAYMOVE,       "MREMAP_MAYMOVE"        },
 363         { 0,                    NULL                    }
 364 };
 365
 366 int
 367 sys_mremap(tcp)
 368 struct tcb *tcp;
 369 {
 370         if (entering(tcp)) {
 371                 tprintf("%#lx, %lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1],
 372                         tcp->u_arg[2]);
 373                 printflags(mremap_flags, tcp->u_arg[3], "MREMAP_???");
 374         }
 375         return RVAL_HEX;
 376 }
 377
 378 static const struct xlat madvise_flags[] = {
 379 #ifdef MADV_NORMAL
 380         { MADV_NORMAL,          "MADV_NORMAL" },
 381 #endif
 382 #ifdef MADZV_RANDOM
 383         { MADV_RANDOM,          "MADV_RANDOM" },
 384 #endif
 385 #ifdef MADV_SEQUENTIAL
 386         { MADV_SEQUENTIAL,      "MADV_SEQUENTIAL" },
 387 #endif
 388 #ifdef MADV_WILLNEED
 389         { MADV_WILLNEED,        "MADV_WILLNEED" },
 390 #endif
 391 #ifdef MADV_DONTNED
 392         { MADV_DONTNEED,        "MADV_DONTNEED" },
 393 #endif
 394         { 0,                    NULL },
 395 };
 396
 397
 398 int
 399 sys_madvise(tcp)
 400 struct tcb *tcp;
 401 {
 402         if (entering(tcp)) {
 403                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 404                 printflags(madvise_flags, tcp->u_arg[2], "MADV_???");
 405         }
 406         return 0;
 407 }
 408
 409
 410 static const struct xlat mlockall_flags[] = {
 411 #ifdef MCL_CURRENT
 412         { MCL_CURRENT,  "MCL_CURRENT" },
 413 #endif
 414 #ifdef MCL_FUTURE
 415         { MCL_FUTURE,   "MCL_FUTURE" },
 416 #endif
 417         { 0,            NULL}
 418 };
 419
 420 int
 421 sys_mlockall(tcp)
 422 struct tcb *tcp;
 423 {
 424         if (entering(tcp)) {
 425                 printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
 426         }
 427         return 0;
 428 }
 429
 430
 431 #endif /* LINUX */
 432
 433 #ifdef MS_ASYNC
 434
 435 static const struct xlat mctl_sync[] = {
 436 #ifdef MS_SYNC
 437         { MS_SYNC,      "MS_SYNC"       },
 438 #endif
 439         { MS_ASYNC,     "MS_ASYNC"      },
 440         { MS_INVALIDATE,"MS_INVALIDATE" },
 441         { 0,            NULL            },
 442 };
 443
 444 int
 445 sys_msync(tcp)
 446 struct tcb *tcp;
 447 {
 448         if (entering(tcp)) {
 449                 /* addr */
 450                 tprintf("%#lx", tcp->u_arg[0]);
 451                 /* len */
 452                 tprintf(", %lu, ", tcp->u_arg[1]);
 453                 /* flags */
 454                 printflags(mctl_sync, tcp->u_arg[2], "MS_???");
 455         }
 456         return 0;
 457 }
 458
 459 #endif /* MS_ASYNC */
 460
 461 #ifdef MC_SYNC
 462
 463 static const struct xlat mctl_funcs[] = {
 464         { MC_LOCK,      "MC_LOCK"       },
 465         { MC_LOCKAS,    "MC_LOCKAS"     },
 466         { MC_SYNC,      "MC_SYNC"       },
 467         { MC_UNLOCK,    "MC_UNLOCK"     },
 468         { MC_UNLOCKAS,  "MC_UNLOCKAS"   },
 469         { 0,            NULL            },
 470 };
 471
 472 static const struct xlat mctl_lockas[] = {
 473         { MCL_CURRENT,  "MCL_CURRENT"   },
 474         { MCL_FUTURE,   "MCL_FUTURE"    },
 475         { 0,            NULL            },
 476 };
 477
 478 int
 479 sys_mctl(tcp)
 480 struct tcb *tcp;
 481 {
 482         int arg, function;
 483
 484         if (entering(tcp)) {
 485                 /* addr */
 486                 tprintf("%#lx", tcp->u_arg[0]);
 487                 /* len */
 488                 tprintf(", %lu, ", tcp->u_arg[1]);
 489                 /* function */
 490                 function = tcp->u_arg[2];
 491                 printflags(mctl_funcs, function, "MC_???");
 492                 /* arg */
 493                 arg = tcp->u_arg[3];
 494                 tprintf(", ");
 495                 switch (function) {
 496                 case MC_SYNC:
 497                         printflags(mctl_sync, arg, "MS_???");
 498                         break;
 499                 case MC_LOCKAS:
 500                         printflags(mctl_lockas, arg, "MCL_???");
 501                         break;
 502                 default:
 503                         tprintf("%#x", arg);
 504                         break;
 505                 }
 506         }
 507         return 0;
 508 }
 509
 510 #endif /* MC_SYNC */
 511
 512 int
 513 sys_mincore(tcp)
 514 struct tcb *tcp;
 515 {
 516         unsigned long i, len;
 517         char *vec = NULL;
 518
 519         if (entering(tcp)) {
 520                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 521         } else {
 522                 len = tcp->u_arg[1];
 523                 if (syserror(tcp) || tcp->u_arg[2] == 0 ||
 524                         (vec = malloc(len)) == NULL ||
 525                         umoven(tcp, tcp->u_arg[2], len, vec) < 0)
 526                         tprintf("%#lx", tcp->u_arg[2]);
 527                 else {
 528                         tprintf("[");
 529                         for (i = 0; i < len; i++) {
 530                                 if (abbrev(tcp) && i >= max_strlen) {
 531                                         tprintf("...");
 532                                         break;
 533                                 }
 534                                 tprintf((vec[i] & 1) ? "1" : "0");
 535                         }
 536                         tprintf("]");
 537                 }
 538                 if (vec)
 539                         free(vec);
 540         }
 541         return 0;
 542 }
 543
 544 #if defined(ALPHA) || defined(FREEBSD) || defined(IA64) || defined(SUNOS4) || defined(SVR4)
 545 int
 546 sys_getpagesize(tcp)
 547 struct tcb *tcp;
 548 {
 549         if (exiting(tcp))
 550                 return RVAL_HEX;
 551         return 0;
 552 }
 553 #endif /* ALPHA || FREEBSD || IA64 || SUNOS4 || SVR4 */
 554
 555 #if defined(LINUX) && defined(__i386__)
 556 void
 557 print_ldt_entry (ldt_entry)
 558 struct modify_ldt_ldt_s *ldt_entry;
 559 {
 560         tprintf("base_addr:%#08lx, "
 561                 "limit:%d, "
 562                 "seg_32bit:%d, "
 563                 "contents:%d, "
 564                 "read_exec_only:%d, "
 565                 "limit_in_pages:%d, "
 566                 "seg_not_present:%d, "
 567                 "useable:%d}",
 568                 ldt_entry->base_addr,
 569                 ldt_entry->limit,
 570                 ldt_entry->seg_32bit,
 571                 ldt_entry->contents,
 572                 ldt_entry->read_exec_only,
 573                 ldt_entry->limit_in_pages,
 574                 ldt_entry->seg_not_present,
 575                 ldt_entry->useable);
 576 }
 577
 578 int
 579 sys_modify_ldt(tcp)
 580 struct tcb *tcp;
 581 {
 582         if (entering(tcp)) {
 583                 struct modify_ldt_ldt_s copy;
 584                 tprintf("%ld", tcp->u_arg[0]);
 585                 if (tcp->u_arg[1] == 0
 586                                 || tcp->u_arg[2] != sizeof (struct modify_ldt_ldt_s)
 587                                 || umove(tcp, tcp->u_arg[1], &copy) == -1)
 588                         tprintf(", %lx", tcp->u_arg[1]);
 589                 else {
 590                         tprintf(", {entry_number:%d, ", copy.entry_number);
 591                         if (!verbose(tcp))
 592                                 tprintf("...}");
 593                         else {
 594                                 print_ldt_entry(&copy);
 595                         }
 596                 }
 597                 tprintf(", %lu", tcp->u_arg[2]);
 598         }
 599         return 0;
 600 }
 601
 602 int
 603 sys_set_thread_area(tcp)
 604 struct tcb *tcp;
 605 {
 606         struct modify_ldt_ldt_s copy;
 607         if (entering(tcp)) {
 608                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 609                         if (copy.entry_number == -1)
 610                                 tprintf("{entry_number:%d -> ",
 611                                         copy.entry_number);
 612                         else
 613                                 tprintf("{entry_number:");
 614                 }
 615         } else {
 616                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 617                         tprintf("%d, ", copy.entry_number);
 618                         if (!verbose(tcp))
 619                                 tprintf("...}");
 620                         else {
 621                                 print_ldt_entry(&copy);
 622                         }
 623                 } else {
 624                         tprintf("%lx", tcp->u_arg[0]);
 625                 }
 626         }
 627         return 0;
 628
 629 }
 630
 631 int
 632 sys_get_thread_area(tcp)
 633 struct tcb *tcp;
 634 {
 635         struct modify_ldt_ldt_s copy;
 636         if (exiting(tcp)) {
 637                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 638                         tprintf("{entry_number:%d, ", copy.entry_number);
 639                         if (!verbose(tcp))
 640                                 tprintf("...}");
 641                         else {
 642                                 print_ldt_entry(&copy);
 643                         }
 644                 } else {
 645                         tprintf("%lx", tcp->u_arg[0]);
 646                 }
 647         }
 648         return 0;
 649
 650 }
 651 #endif /* LINUX && __i386__ */
 652
 653 #if defined(LINUX)
 654 int
 655 sys_remap_file_pages(tcp)
 656 struct tcb *tcp;
 657 {
 658         if (entering(tcp)) {
 659                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 660                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 661                 tprintf(", %lu, ", tcp->u_arg[3]);
 662 #ifdef MAP_TYPE
 663                 printxval(mmap_flags, tcp->u_arg[4] & MAP_TYPE, "MAP_???");
 664                 addflags(mmap_flags, tcp->u_arg[4] & ~MAP_TYPE);
 665 #else
 666                 printflags(mmap_flags, tcp->u_arg[4], "MAP_???");
 667 #endif
 668         }
 669         return 0;
 670 }
 671
 672
 673 #define MPOL_DEFAULT    0
 674 #define MPOL_PREFERRED  1
 675 #define MPOL_BIND       2
 676 #define MPOL_INTERLEAVE 3
 677
 678 #define MPOL_F_NODE     (1<<0)
 679 #define MPOL_F_ADDR     (1<<1)
 680
 681 #define MPOL_MF_STRICT  (1<<0)
 682
 683
 684 static const struct xlat policies[] = {
 685         { MPOL_DEFAULT,         "MPOL_DEFAULT"          },
 686         { MPOL_PREFERRED,       "MPOL_PREFERRED"        },
 687         { MPOL_BIND,            "MPOL_BIND"             },
 688         { MPOL_INTERLEAVE,      "MPOL_INTERLEAVE"       },
 689         { 0,                    NULL                    }
 690 };
 691
 692 static const struct xlat mbindflags[] = {
 693         { MPOL_MF_STRICT,       "MPOL_MF_STRICT"        },
 694         { 0,                    NULL                    }
 695 };
 696
 697 static const struct xlat mempolicyflags[] = {
 698         { MPOL_F_NODE,          "MPOL_F_NODE"           },
 699         { MPOL_F_ADDR,          "MPOL_F_ADDR"           },
 700         { 0,                    NULL                    }
 701 };
 702
 703
 704 static void
 705 get_nodes(tcp, ptr, maxnodes, err)
 706 struct tcb *tcp;
 707 unsigned long ptr;
 708 unsigned long maxnodes;
 709 int err;
 710 {
 711         unsigned long nlongs, size, end;
 712
 713         nlongs = (maxnodes + 8 * sizeof(long) - 1) / (8 * sizeof(long));
 714         size = nlongs * sizeof(long);
 715         end = ptr + size;
 716         if (nlongs == 0 || ((err || verbose(tcp)) && (size * 8 == maxnodes)
 717                             && (end > ptr))) {
 718                 unsigned long n, cur, abbrev_end;
 719                 int failed = 0;
 720
 721                 if (abbrev(tcp)) {
 722                         abbrev_end = ptr + max_strlen * sizeof(long);
 723                         if (abbrev_end < ptr)
 724                                 abbrev_end = end;
 725                 } else {
 726                         abbrev_end = end;
 727                 }
 728                 tprintf(", {");
 729                 for (cur = ptr; cur < end; cur += sizeof(long)) {
 730                         if (cur > ptr)
 731                                 tprintf(", ");
 732                         if (cur >= abbrev_end) {
 733                                 tprintf("...");
 734                                 break;
 735                         }
 736                         if (umoven(tcp, cur, sizeof(n), (char *) &n) < 0) {
 737                                 tprintf("?");
 738                                 failed = 1;
 739                                 break;
 740                         }
 741                         tprintf("%#0*lx", (int) sizeof(long) * 2 + 2, n);
 742                 }
 743                 tprintf("}");
 744                 if (failed)
 745                         tprintf(" %#lx", ptr);
 746         } else
 747                 tprintf(", %#lx", ptr);
 748         tprintf(", %lu", maxnodes);
 749 }
 750
 751 int
 752 sys_mbind(tcp)
 753 struct tcb *tcp;
 754 {
 755         if (entering(tcp)) {
 756                 tprintf("%lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 757                 printxval(policies, tcp->u_arg[2], "MPOL_???");
 758                 get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0);
 759                 tprintf(", ");
 760                 printflags(mbindflags, tcp->u_arg[5], "MPOL_???");
 761         }
 762         return 0;
 763 }
 764
 765 int
 766 sys_set_mempolicy(tcp)
 767 struct tcb *tcp;
 768 {
 769         if (entering(tcp)) {
 770                 printxval(policies, tcp->u_arg[0], "MPOL_???");
 771                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
 772         }
 773         return 0;
 774 }
 775
 776 int
 777 sys_get_mempolicy(tcp)
 778 struct tcb *tcp;
 779 {
 780         if (exiting(tcp)) {
 781                 int pol;
 782                 if (tcp->u_arg[0] == 0)
 783                         tprintf("NULL");
 784                 else if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &pol) < 0)
 785                         tprintf("%#lx", tcp->u_arg[0]);
 786                 else
 787                         printxval(policies, pol, "MPOL_???");
 788                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp));
 789                 tprintf(", %#lx, ", tcp->u_arg[3]);
 790                 printflags(mempolicyflags, tcp->u_arg[4], "MPOL_???");
 791         }
 792         return 0;
 793 }
 794 #endif