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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 int
  74 sys_sbrk(tcp)
  75 struct tcb *tcp;
  76 {
  77         if (entering(tcp)) {
  78                 tprintf("%lu", tcp->u_arg[0]);
  79         }
  80         return RVAL_HEX;
  81 }
  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         { 0,            NULL            },
  98 };
  99
 100 static const struct xlat mmap_flags[] = {
 101         { MAP_SHARED,   "MAP_SHARED"    },
 102         { MAP_PRIVATE,  "MAP_PRIVATE"   },
 103         { MAP_FIXED,    "MAP_FIXED"     },
 104 #ifdef MAP_ANONYMOUS
 105         { MAP_ANONYMOUS,"MAP_ANONYMOUS" },
 106 #endif
 107 #ifdef MAP_RENAME
 108         { MAP_RENAME,   "MAP_RENAME"    },
 109 #endif
 110 #ifdef MAP_NORESERVE
 111         { MAP_NORESERVE,"MAP_NORESERVE" },
 112 #endif
 113 #ifdef MAP_POPULATE
 114         { MAP_POPULATE, "MAP_POPULATE" },
 115 #endif
 116 #ifdef MAP_NONBLOCK
 117         { MAP_NONBLOCK, "MAP_NONBLOCK" },
 118 #endif
 119         /*
 120          * XXX - this was introduced in SunOS 4.x to distinguish between
 121          * the old pre-4.x "mmap()", which:
 122          *
 123          *      only let you map devices with an "mmap" routine (e.g.,
 124          *      frame buffers) in;
 125          *
 126          *      required you to specify the mapping address;
 127          *
 128          *      returned 0 on success and -1 on failure;
 129          *
 130          * memory and which, and the 4.x "mmap()" which:
 131          *
 132          *      can map plain files;
 133          *
 134          *      can be asked to pick where to map the file;
 135          *
 136          *      returns the address where it mapped the file on success
 137          *      and -1 on failure.
 138          *
 139          * It's not actually used in source code that calls "mmap()"; the
 140          * "mmap()" routine adds it for you.
 141          *
 142          * It'd be nice to come up with some way of eliminating it from
 143          * the flags, e.g. reporting calls *without* it as "old_mmap()"
 144          * and calls with it as "mmap()".
 145          */
 146 #ifdef _MAP_NEW
 147         { _MAP_NEW,     "_MAP_NEW"      },
 148 #endif
 149 #ifdef MAP_GROWSDOWN
 150         { MAP_GROWSDOWN,"MAP_GROWSDOWN" },
 151 #endif
 152 #ifdef MAP_DENYWRITE
 153         { MAP_DENYWRITE,"MAP_DENYWRITE" },
 154 #endif
 155 #ifdef MAP_EXECUTABLE
 156         { MAP_EXECUTABLE,"MAP_EXECUTABLE"},
 157 #endif
 158 #ifdef MAP_INHERIT
 159         { MAP_INHERIT,"MAP_INHERIT"     },
 160 #endif
 161 #ifdef MAP_FILE
 162         { MAP_FILE,"MAP_FILE"},
 163 #endif
 164 #ifdef MAP_LOCKED
 165         { MAP_LOCKED,"MAP_LOCKED"},
 166 #endif
 167         /* FreeBSD ones */
 168 #ifdef MAP_ANON
 169         { MAP_ANON,             "MAP_ANON"      },
 170 #endif
 171 #ifdef MAP_HASSEMAPHORE
 172         { MAP_HASSEMAPHORE,     "MAP_HASSEMAPHORE"      },
 173 #endif
 174 #ifdef MAP_STACK
 175         { MAP_STACK,            "MAP_STACK"     },
 176 #endif
 177 #ifdef MAP_NOSYNC
 178         { MAP_NOSYNC,           "MAP_NOSYNC"    },
 179 #endif
 180 #ifdef MAP_NOCORE
 181         { MAP_NOCORE,           "MAP_NOCORE"    },
 182 #endif
 183         { 0,            NULL            },
 184 };
 185
 186 #if !HAVE_LONG_LONG_OFF_T
 187 static
 188 int
 189 print_mmap(tcp,u_arg)
 190 struct tcb *tcp;
 191 long *u_arg;
 192 {
 193         if (entering(tcp)) {
 194                 /* addr */
 195                 if (!u_arg[0])
 196                         tprintf("NULL, ");
 197                 else
 198                         tprintf("%#lx, ", u_arg[0]);
 199                 /* len */
 200                 tprintf("%lu, ", u_arg[1]);
 201                 /* prot */
 202                 printflags(mmap_prot, u_arg[2], "PROT_???");
 203                 tprintf(", ");
 204                 /* flags */
 205 #ifdef MAP_TYPE
 206                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 207                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 208 #else
 209                 printflags(mmap_flags, u_arg[3], "MAP_???");
 210 #endif
 211                 /* fd (is always int, not long) */
 212                 tprintf(", %d, ", (int)u_arg[4]);
 213                 /* offset */
 214                 tprintf("%#lx", u_arg[5]);
 215         }
 216         return RVAL_HEX;
 217 }
 218
 219 #ifdef LINUX
 220 int sys_old_mmap(tcp)
 221 struct tcb *tcp;
 222 {
 223     long u_arg[6];
 224
 225 #if     defined(IA64)
 226     int i, v;
 227     /*
 228      *  IA64 processes never call this routine, they only use the
 229      *  new `sys_mmap' interface.  This code converts the integer
 230      *  arguments that the IA32 process pushed onto the stack into
 231      *  longs.
 232      *
 233      *  Note that addresses with bit 31 set will be sign extended.
 234      *  Fortunately, those addresses are not currently being generated
 235      *  for IA32 processes so it's not a problem.
 236      */
 237     for (i = 0; i < 6; i++)
 238         if (umove(tcp, tcp->u_arg[0] + (i * sizeof(int)), &v) == -1)
 239                 return 0;
 240         else
 241                 u_arg[i] = v;
 242 #elif defined(SH) || defined(SH64)
 243     /* SH has always passed the args in registers */
 244     int i;
 245     for (i=0; i<6; i++)
 246         u_arg[i] = tcp->u_arg[i];
 247 #else
 248 # if defined(X86_64)
 249     if (current_personality == 1) {
 250             int i;
 251             for (i = 0; i < 6; ++i) {
 252                     unsigned int val;
 253                     if (umove(tcp, tcp->u_arg[0] + i * 4, &val) == -1)
 254                             return 0;
 255                     u_arg[i] = val;
 256             }
 257     }
 258     else
 259 # endif
 260     if (umoven(tcp, tcp->u_arg[0], sizeof u_arg, (char *) u_arg) == -1)
 261             return 0;
 262 #endif  // defined(IA64)
 263     return print_mmap(tcp, u_arg);
 264
 265 }
 266 #endif
 267
 268 int
 269 sys_mmap(tcp)
 270 struct tcb *tcp;
 271 {
 272 #if defined(LINUX) && defined(SH64)
 273     /*
 274      * Old mmap differs from new mmap in specifying the
 275      * offset in units of bytes rather than pages.  We
 276      * pretend it's in byte units so the user only ever
 277      * sees bytes in the printout.
 278      */
 279     tcp->u_arg[5] <<= PAGE_SHIFT;
 280 #endif
 281     return print_mmap(tcp, tcp->u_arg);
 282 }
 283 #endif /* !HAVE_LONG_LONG_OFF_T */
 284
 285 #if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
 286 int
 287 sys_mmap64(tcp)
 288 struct tcb *tcp;
 289 {
 290 #ifdef linux
 291 #ifdef ALPHA
 292         long *u_arg = tcp->u_arg;
 293 #else /* !ALPHA */
 294         long u_arg[7];
 295 #endif /* !ALPHA */
 296 #else /* !linux */
 297         long *u_arg = tcp->u_arg;
 298 #endif /* !linux */
 299
 300         if (entering(tcp)) {
 301 #ifdef linux
 302 #ifndef ALPHA
 303                 if (umoven(tcp, tcp->u_arg[0], sizeof u_arg,
 304                                 (char *) u_arg) == -1)
 305                         return 0;
 306 #endif /* ALPHA */
 307 #endif /* linux */
 308                 ALIGN64 (tcp, 5);       /* FreeBSD wierdies */
 309
 310                 /* addr */
 311                 tprintf("%#lx, ", u_arg[0]);
 312                 /* len */
 313                 tprintf("%lu, ", u_arg[1]);
 314                 /* prot */
 315                 printflags(mmap_prot, u_arg[2], "PROT_???");
 316                 tprintf(", ");
 317                 /* flags */
 318 #ifdef MAP_TYPE
 319                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 320                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 321 #else
 322                 printflags(mmap_flags, u_arg[3], "MAP_???");
 323 #endif
 324                 /* fd */
 325                 tprintf(", %ld, ", u_arg[4]);
 326                 /* offset */
 327                 tprintf("%#llx", LONG_LONG(u_arg[5], u_arg[6]));
 328         }
 329         return RVAL_HEX;
 330 }
 331 #endif
 332
 333
 334 int
 335 sys_munmap(tcp)
 336 struct tcb *tcp;
 337 {
 338         if (entering(tcp)) {
 339                 tprintf("%#lx, %lu",
 340                         tcp->u_arg[0], tcp->u_arg[1]);
 341         }
 342         return 0;
 343 }
 344
 345 int
 346 sys_mprotect(tcp)
 347 struct tcb *tcp;
 348 {
 349         if (entering(tcp)) {
 350                 tprintf("%#lx, %lu, ",
 351                         tcp->u_arg[0], tcp->u_arg[1]);
 352                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 353         }
 354         return 0;
 355 }
 356
 357 #ifdef LINUX
 358
 359 static const struct xlat mremap_flags[] = {
 360         { MREMAP_MAYMOVE,       "MREMAP_MAYMOVE"        },
 361         { 0,                    NULL                    }
 362 };
 363
 364 int
 365 sys_mremap(tcp)
 366 struct tcb *tcp;
 367 {
 368         if (entering(tcp)) {
 369                 tprintf("%#lx, %lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1],
 370                         tcp->u_arg[2]);
 371                 printflags(mremap_flags, tcp->u_arg[3], "MREMAP_???");
 372         }
 373         return RVAL_HEX;
 374 }
 375
 376 static const struct xlat madvise_flags[] = {
 377 #ifdef MADV_NORMAL
 378         { MADV_NORMAL,          "MADV_NORMAL" },
 379 #endif
 380 #ifdef MADZV_RANDOM
 381         { MADV_RANDOM,          "MADV_RANDOM" },
 382 #endif
 383 #ifdef MADV_SEQUENTIAL
 384         { MADV_SEQUENTIAL,      "MADV_SEQUENTIAL" },
 385 #endif
 386 #ifdef MADV_WILLNEED
 387         { MADV_WILLNEED,        "MADV_WILLNEED" },
 388 #endif
 389 #ifdef MADV_DONTNED
 390         { MADV_DONTNEED,        "MADV_DONTNEED" },
 391 #endif
 392         { 0,                    NULL },
 393 };
 394
 395
 396 int
 397 sys_madvise(tcp)
 398 struct tcb *tcp;
 399 {
 400         if (entering(tcp)) {
 401                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 402                 printflags(madvise_flags, tcp->u_arg[2], "MADV_???");
 403         }
 404         return 0;
 405 }
 406
 407
 408 static const struct xlat mlockall_flags[] = {
 409 #ifdef MCL_CURRENT
 410         { MCL_CURRENT,  "MCL_CURRENT" },
 411 #endif
 412 #ifdef MCL_FUTURE
 413         { MCL_FUTURE,   "MCL_FUTURE" },
 414 #endif
 415         { 0,            NULL}
 416 };
 417
 418 int
 419 sys_mlockall(tcp)
 420 struct tcb *tcp;
 421 {
 422         if (entering(tcp)) {
 423                 printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
 424         }
 425         return 0;
 426 }
 427
 428
 429 #endif /* LINUX */
 430
 431 #ifdef MS_ASYNC
 432
 433 static const struct xlat mctl_sync[] = {
 434 #ifdef MS_SYNC
 435         { MS_SYNC,      "MS_SYNC"       },
 436 #endif
 437         { MS_ASYNC,     "MS_ASYNC"      },
 438         { MS_INVALIDATE,"MS_INVALIDATE" },
 439         { 0,            NULL            },
 440 };
 441
 442 int
 443 sys_msync(tcp)
 444 struct tcb *tcp;
 445 {
 446         if (entering(tcp)) {
 447                 /* addr */
 448                 tprintf("%#lx", tcp->u_arg[0]);
 449                 /* len */
 450                 tprintf(", %lu, ", tcp->u_arg[1]);
 451                 /* flags */
 452                 printflags(mctl_sync, tcp->u_arg[2], "MS_???");
 453         }
 454         return 0;
 455 }
 456
 457 #endif /* MS_ASYNC */
 458
 459 #ifdef MC_SYNC
 460
 461 static const struct xlat mctl_funcs[] = {
 462         { MC_LOCK,      "MC_LOCK"       },
 463         { MC_LOCKAS,    "MC_LOCKAS"     },
 464         { MC_SYNC,      "MC_SYNC"       },
 465         { MC_UNLOCK,    "MC_UNLOCK"     },
 466         { MC_UNLOCKAS,  "MC_UNLOCKAS"   },
 467         { 0,            NULL            },
 468 };
 469
 470 static const struct xlat mctl_lockas[] = {
 471         { MCL_CURRENT,  "MCL_CURRENT"   },
 472         { MCL_FUTURE,   "MCL_FUTURE"    },
 473         { 0,            NULL            },
 474 };
 475
 476 int
 477 sys_mctl(tcp)
 478 struct tcb *tcp;
 479 {
 480         int arg, function;
 481
 482         if (entering(tcp)) {
 483                 /* addr */
 484                 tprintf("%#lx", tcp->u_arg[0]);
 485                 /* len */
 486                 tprintf(", %lu, ", tcp->u_arg[1]);
 487                 /* function */
 488                 function = tcp->u_arg[2];
 489                 printflags(mctl_funcs, function, "MC_???");
 490                 /* arg */
 491                 arg = tcp->u_arg[3];
 492                 tprintf(", ");
 493                 switch (function) {
 494                 case MC_SYNC:
 495                         printflags(mctl_sync, arg, "MS_???");
 496                         break;
 497                 case MC_LOCKAS:
 498                         printflags(mctl_lockas, arg, "MCL_???");
 499                         break;
 500                 default:
 501                         tprintf("%#x", arg);
 502                         break;
 503                 }
 504         }
 505         return 0;
 506 }
 507
 508 #endif /* MC_SYNC */
 509
 510 int
 511 sys_mincore(tcp)
 512 struct tcb *tcp;
 513 {
 514         unsigned long i, len;
 515         char *vec = NULL;
 516
 517         if (entering(tcp)) {
 518                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 519         } else {
 520                 len = tcp->u_arg[1];
 521                 if (syserror(tcp) || tcp->u_arg[2] == 0 ||
 522                         (vec = malloc(len)) == NULL ||
 523                         umoven(tcp, tcp->u_arg[2], len, vec) < 0)
 524                         tprintf("%#lx", tcp->u_arg[2]);
 525                 else {
 526                         tprintf("[");
 527                         for (i = 0; i < len; i++) {
 528                                 if (abbrev(tcp) && i >= max_strlen) {
 529                                         tprintf("...");
 530                                         break;
 531                                 }
 532                                 tprintf((vec[i] & 1) ? "1" : "0");
 533                         }
 534                         tprintf("]");
 535                 }
 536                 if (vec)
 537                         free(vec);
 538         }
 539         return 0;
 540 }
 541
 542 int
 543 sys_getpagesize(tcp)
 544 struct tcb *tcp;
 545 {
 546         if (exiting(tcp))
 547                 return RVAL_HEX;
 548         return 0;
 549 }
 550
 551 #if defined(LINUX) && defined(__i386__)
 552 void
 553 print_ldt_entry (ldt_entry)
 554 struct modify_ldt_ldt_s *ldt_entry;
 555 {
 556         tprintf("base_addr:%#08lx, "
 557                 "limit:%d, "
 558                 "seg_32bit:%d, "
 559                 "contents:%d, "
 560                 "read_exec_only:%d, "
 561                 "limit_in_pages:%d, "
 562                 "seg_not_present:%d, "
 563                 "useable:%d}",
 564                 ldt_entry->base_addr,
 565                 ldt_entry->limit,
 566                 ldt_entry->seg_32bit,
 567                 ldt_entry->contents,
 568                 ldt_entry->read_exec_only,
 569                 ldt_entry->limit_in_pages,
 570                 ldt_entry->seg_not_present,
 571                 ldt_entry->useable);
 572 }
 573
 574 int
 575 sys_modify_ldt(tcp)
 576 struct tcb *tcp;
 577 {
 578         if (entering(tcp)) {
 579                 struct modify_ldt_ldt_s copy;
 580                 tprintf("%ld", tcp->u_arg[0]);
 581                 if (tcp->u_arg[1] == 0
 582                                 || tcp->u_arg[2] != sizeof (struct modify_ldt_ldt_s)
 583                                 || umove(tcp, tcp->u_arg[1], &copy) == -1)
 584                         tprintf(", %lx", tcp->u_arg[1]);
 585                 else {
 586                         tprintf(", {entry_number:%d, ", copy.entry_number);
 587                         if (!verbose(tcp))
 588                                 tprintf("...}");
 589                         else {
 590                                 print_ldt_entry(&copy);
 591                         }
 592                 }
 593                 tprintf(", %lu", tcp->u_arg[2]);
 594         }
 595         return 0;
 596 }
 597
 598 int
 599 sys_set_thread_area(tcp)
 600 struct tcb *tcp;
 601 {
 602         struct modify_ldt_ldt_s copy;
 603         if (entering(tcp)) {
 604                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 605                         if (copy.entry_number == -1)
 606                                 tprintf("{entry_number:%d -> ",
 607                                         copy.entry_number);
 608                         else
 609                                 tprintf("{entry_number:");
 610                 }
 611         } else {
 612                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 613                         tprintf("%d, ", copy.entry_number);
 614                         if (!verbose(tcp))
 615                                 tprintf("...}");
 616                         else {
 617                                 print_ldt_entry(&copy);
 618                         }
 619                 } else {
 620                         tprintf("%lx", tcp->u_arg[0]);
 621                 }
 622         }
 623         return 0;
 624
 625 }
 626
 627 int
 628 sys_get_thread_area(tcp)
 629 struct tcb *tcp;
 630 {
 631         struct modify_ldt_ldt_s copy;
 632         if (exiting(tcp)) {
 633                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 634                         tprintf("{entry_number:%d, ", copy.entry_number);
 635                         if (!verbose(tcp))
 636                                 tprintf("...}");
 637                         else {
 638                                 print_ldt_entry(&copy);
 639                         }
 640                 } else {
 641                         tprintf("%lx", tcp->u_arg[0]);
 642                 }
 643         }
 644         return 0;
 645
 646 }
 647 #endif /* LINUX && __i386__ */
 648
 649 #if defined(LINUX)
 650 int
 651 sys_remap_file_pages(tcp)
 652 struct tcb *tcp;
 653 {
 654         if (entering(tcp)) {
 655                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 656                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 657                 tprintf(", %lu, ", tcp->u_arg[3]);
 658 #ifdef MAP_TYPE
 659                 printxval(mmap_flags, tcp->u_arg[4] & MAP_TYPE, "MAP_???");
 660                 addflags(mmap_flags, tcp->u_arg[4] & ~MAP_TYPE);
 661 #else
 662                 printflags(mmap_flags, tcp->u_arg[4], "MAP_???");
 663 #endif
 664         }
 665         return 0;
 666 }
 667
 668
 669 #define MPOL_DEFAULT    0
 670 #define MPOL_PREFERRED  1
 671 #define MPOL_BIND       2
 672 #define MPOL_INTERLEAVE 3
 673
 674 #define MPOL_F_NODE     (1<<0)
 675 #define MPOL_F_ADDR     (1<<1)
 676
 677 #define MPOL_MF_STRICT  (1<<0)
 678
 679
 680 static const struct xlat policies[] = {
 681         { MPOL_DEFAULT,         "MPOL_DEFAULT"          },
 682         { MPOL_PREFERRED,       "MPOL_PREFERRED"        },
 683         { MPOL_BIND,            "MPOL_BIND"             },
 684         { MPOL_INTERLEAVE,      "MPOL_INTERLEAVE"       },
 685         { 0,                    NULL                    }
 686 };
 687
 688 static const struct xlat mbindflags[] = {
 689         { MPOL_MF_STRICT,       "MPOL_MF_STRICT"        },
 690         { 0,                    NULL                    }
 691 };
 692
 693 static const struct xlat mempolicyflags[] = {
 694         { MPOL_F_NODE,          "MPOL_F_NODE"           },
 695         { MPOL_F_ADDR,          "MPOL_F_ADDR"           },
 696         { 0,                    NULL                    }
 697 };
 698
 699
 700 static void
 701 get_nodes(tcp, ptr, maxnodes, err)
 702 struct tcb *tcp;
 703 unsigned long ptr;
 704 unsigned long maxnodes;
 705 int err;
 706 {
 707         unsigned long nlongs, size, end;
 708
 709         nlongs = (maxnodes + 8 * sizeof(long) - 1) / (8 * sizeof(long));
 710         size = nlongs * sizeof(long);
 711         end = ptr + size;
 712         if (nlongs == 0 || ((err || verbose(tcp)) && (size * 8 == maxnodes)
 713                             && (end > ptr))) {
 714                 unsigned long n, cur, abbrev_end;
 715                 int failed = 0;
 716
 717                 if (abbrev(tcp)) {
 718                         abbrev_end = ptr + max_strlen * sizeof(long);
 719                         if (abbrev_end < ptr)
 720                                 abbrev_end = end;
 721                 } else {
 722                         abbrev_end = end;
 723                 }
 724                 tprintf(", {");
 725                 for (cur = ptr; cur < end; cur += sizeof(long)) {
 726                         if (cur > ptr)
 727                                 tprintf(", ");
 728                         if (cur >= abbrev_end) {
 729                                 tprintf("...");
 730                                 break;
 731                         }
 732                         if (umoven(tcp, cur, sizeof(n), (char *) &n) < 0) {
 733                                 tprintf("?");
 734                                 failed = 1;
 735                                 break;
 736                         }
 737                         tprintf("%#0*lx", (int) sizeof(long) * 2 + 2, n);
 738                 }
 739                 tprintf("}");
 740                 if (failed)
 741                         tprintf(" %#lx", ptr);
 742         } else
 743                 tprintf(", %#lx", ptr);
 744         tprintf(", %lu", maxnodes);
 745 }
 746
 747 int
 748 sys_mbind(tcp)
 749 struct tcb *tcp;
 750 {
 751         if (entering(tcp)) {
 752                 tprintf("%lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 753                 printxval(policies, tcp->u_arg[2], "MPOL_???");
 754                 get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0);
 755                 tprintf(", ");
 756                 printflags(mbindflags, tcp->u_arg[5], "MPOL_???");
 757         }
 758         return 0;
 759 }
 760
 761 int
 762 sys_set_mempolicy(tcp)
 763 struct tcb *tcp;
 764 {
 765         if (entering(tcp)) {
 766                 printxval(policies, tcp->u_arg[0], "MPOL_???");
 767                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
 768         }
 769         return 0;
 770 }
 771
 772 int
 773 sys_get_mempolicy(tcp)
 774 struct tcb *tcp;
 775 {
 776         if (exiting(tcp)) {
 777                 int pol;
 778                 if (tcp->u_arg[0] == 0)
 779                         tprintf("NULL");
 780                 else if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &pol) < 0)
 781                         tprintf("%#lx", tcp->u_arg[0]);
 782                 else
 783                         printxval(policies, pol, "MPOL_???");
 784                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp));
 785                 tprintf(", %#lx, ", tcp->u_arg[3]);
 786                 printflags(mempolicyflags, tcp->u_arg[4], "MPOL_???");
 787         }
 788         return 0;
 789 }
 790 #endif