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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 (umoven(tcp, tcp->u_arg[0], sizeof u_arg, (char *) u_arg) == -1)
 249             return 0;
 250 #endif  // defined(IA64)
 251     return print_mmap(tcp, u_arg);
 252
 253 }
 254 #endif
 255
 256 int
 257 sys_mmap(tcp)
 258 struct tcb *tcp;
 259 {
 260 #if defined(LINUX) && defined(SH64)
 261     /*
 262      * Old mmap differs from new mmap in specifying the
 263      * offset in units of bytes rather than pages.  We
 264      * pretend it's in byte units so the user only ever
 265      * sees bytes in the printout.
 266      */
 267     tcp->u_arg[5] <<= PAGE_SHIFT;
 268 #endif
 269     return print_mmap(tcp, tcp->u_arg);
 270 }
 271 #endif /* !HAVE_LONG_LONG_OFF_T */
 272
 273 #if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
 274 int
 275 sys_mmap64(tcp)
 276 struct tcb *tcp;
 277 {
 278 #ifdef linux
 279 #ifdef ALPHA
 280         long *u_arg = tcp->u_arg;
 281 #else /* !ALPHA */
 282         long u_arg[7];
 283 #endif /* !ALPHA */
 284 #else /* !linux */
 285         long *u_arg = tcp->u_arg;
 286 #endif /* !linux */
 287
 288         if (entering(tcp)) {
 289 #ifdef linux
 290 #ifndef ALPHA
 291                 if (umoven(tcp, tcp->u_arg[0], sizeof u_arg,
 292                                 (char *) u_arg) == -1)
 293                         return 0;
 294 #endif /* ALPHA */
 295 #endif /* linux */
 296                 ALIGN64 (tcp, 5);       /* FreeBSD wierdies */
 297
 298                 /* addr */
 299                 tprintf("%#lx, ", u_arg[0]);
 300                 /* len */
 301                 tprintf("%lu, ", u_arg[1]);
 302                 /* prot */
 303                 printflags(mmap_prot, u_arg[2], "PROT_???");
 304                 tprintf(", ");
 305                 /* flags */
 306 #ifdef MAP_TYPE
 307                 printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???");
 308                 addflags(mmap_flags, u_arg[3] & ~MAP_TYPE);
 309 #else
 310                 printflags(mmap_flags, u_arg[3], "MAP_???");
 311 #endif
 312                 /* fd */
 313                 tprintf(", %ld, ", u_arg[4]);
 314                 /* offset */
 315                 tprintf("%#llx", LONG_LONG(u_arg[5], u_arg[6]));
 316         }
 317         return RVAL_HEX;
 318 }
 319 #endif
 320
 321
 322 int
 323 sys_munmap(tcp)
 324 struct tcb *tcp;
 325 {
 326         if (entering(tcp)) {
 327                 tprintf("%#lx, %lu",
 328                         tcp->u_arg[0], tcp->u_arg[1]);
 329         }
 330         return 0;
 331 }
 332
 333 int
 334 sys_mprotect(tcp)
 335 struct tcb *tcp;
 336 {
 337         if (entering(tcp)) {
 338                 tprintf("%#lx, %lu, ",
 339                         tcp->u_arg[0], tcp->u_arg[1]);
 340                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 341         }
 342         return 0;
 343 }
 344
 345 #ifdef LINUX
 346
 347 static const struct xlat mremap_flags[] = {
 348         { MREMAP_MAYMOVE,       "MREMAP_MAYMOVE"        },
 349         { 0,                    NULL                    }
 350 };
 351
 352 int
 353 sys_mremap(tcp)
 354 struct tcb *tcp;
 355 {
 356         if (entering(tcp)) {
 357                 tprintf("%#lx, %lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1],
 358                         tcp->u_arg[2]);
 359                 printflags(mremap_flags, tcp->u_arg[3], "MREMAP_???");
 360         }
 361         return RVAL_HEX;
 362 }
 363
 364 static const struct xlat madvise_flags[] = {
 365 #ifdef MADV_NORMAL
 366         { MADV_NORMAL,          "MADV_NORMAL" },
 367 #endif
 368 #ifdef MADZV_RANDOM
 369         { MADV_RANDOM,          "MADV_RANDOM" },
 370 #endif
 371 #ifdef MADV_SEQUENTIAL
 372         { MADV_SEQUENTIAL,      "MADV_SEQUENTIAL" },
 373 #endif
 374 #ifdef MADV_WILLNEED
 375         { MADV_WILLNEED,        "MADV_WILLNEED" },
 376 #endif
 377 #ifdef MADV_DONTNED
 378         { MADV_DONTNEED,        "MADV_DONTNEED" },
 379 #endif
 380         { 0,                    NULL },
 381 };
 382
 383
 384 int
 385 sys_madvise(tcp)
 386 struct tcb *tcp;
 387 {
 388         if (entering(tcp)) {
 389                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 390                 printflags(madvise_flags, tcp->u_arg[2], "MADV_???");
 391         }
 392         return 0;
 393 }
 394
 395
 396 static const struct xlat mlockall_flags[] = {
 397 #ifdef MCL_CURRENT
 398         { MCL_CURRENT,  "MCL_CURRENT" },
 399 #endif
 400 #ifdef MCL_FUTURE
 401         { MCL_FUTURE,   "MCL_FUTURE" },
 402 #endif
 403         { 0,            NULL}
 404 };
 405
 406 int
 407 sys_mlockall(tcp)
 408 struct tcb *tcp;
 409 {
 410         if (entering(tcp)) {
 411                 printflags(mlockall_flags, tcp->u_arg[0], "MCL_???");
 412         }
 413         return 0;
 414 }
 415
 416
 417 #endif /* LINUX */
 418
 419 #ifdef MS_ASYNC
 420
 421 static const struct xlat mctl_sync[] = {
 422 #ifdef MS_SYNC
 423         { MS_SYNC,      "MS_SYNC"       },
 424 #endif
 425         { MS_ASYNC,     "MS_ASYNC"      },
 426         { MS_INVALIDATE,"MS_INVALIDATE" },
 427         { 0,            NULL            },
 428 };
 429
 430 int
 431 sys_msync(tcp)
 432 struct tcb *tcp;
 433 {
 434         if (entering(tcp)) {
 435                 /* addr */
 436                 tprintf("%#lx", tcp->u_arg[0]);
 437                 /* len */
 438                 tprintf(", %lu, ", tcp->u_arg[1]);
 439                 /* flags */
 440                 printflags(mctl_sync, tcp->u_arg[2], "MS_???");
 441         }
 442         return 0;
 443 }
 444
 445 #endif /* MS_ASYNC */
 446
 447 #ifdef MC_SYNC
 448
 449 static const struct xlat mctl_funcs[] = {
 450         { MC_LOCK,      "MC_LOCK"       },
 451         { MC_LOCKAS,    "MC_LOCKAS"     },
 452         { MC_SYNC,      "MC_SYNC"       },
 453         { MC_UNLOCK,    "MC_UNLOCK"     },
 454         { MC_UNLOCKAS,  "MC_UNLOCKAS"   },
 455         { 0,            NULL            },
 456 };
 457
 458 static const struct xlat mctl_lockas[] = {
 459         { MCL_CURRENT,  "MCL_CURRENT"   },
 460         { MCL_FUTURE,   "MCL_FUTURE"    },
 461         { 0,            NULL            },
 462 };
 463
 464 int
 465 sys_mctl(tcp)
 466 struct tcb *tcp;
 467 {
 468         int arg, function;
 469
 470         if (entering(tcp)) {
 471                 /* addr */
 472                 tprintf("%#lx", tcp->u_arg[0]);
 473                 /* len */
 474                 tprintf(", %lu, ", tcp->u_arg[1]);
 475                 /* function */
 476                 function = tcp->u_arg[2];
 477                 printflags(mctl_funcs, function, "MC_???");
 478                 /* arg */
 479                 arg = tcp->u_arg[3];
 480                 tprintf(", ");
 481                 switch (function) {
 482                 case MC_SYNC:
 483                         printflags(mctl_sync, arg, "MS_???");
 484                         break;
 485                 case MC_LOCKAS:
 486                         printflags(mctl_lockas, arg, "MCL_???");
 487                         break;
 488                 default:
 489                         tprintf("%#x", arg);
 490                         break;
 491                 }
 492         }
 493         return 0;
 494 }
 495
 496 #endif /* MC_SYNC */
 497
 498 int
 499 sys_mincore(tcp)
 500 struct tcb *tcp;
 501 {
 502         unsigned long i, len;
 503         char *vec = NULL;
 504
 505         if (entering(tcp)) {
 506                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 507         } else {
 508                 len = tcp->u_arg[1];
 509                 if (syserror(tcp) || tcp->u_arg[2] == 0 ||
 510                         (vec = malloc(len)) == NULL ||
 511                         umoven(tcp, tcp->u_arg[2], len, vec) < 0)
 512                         tprintf("%#lx", tcp->u_arg[2]);
 513                 else {
 514                         tprintf("[");
 515                         for (i = 0; i < len; i++) {
 516                                 if (abbrev(tcp) && i >= max_strlen) {
 517                                         tprintf("...");
 518                                         break;
 519                                 }
 520                                 tprintf((vec[i] & 1) ? "1" : "0");
 521                         }
 522                         tprintf("]");
 523                 }
 524                 if (vec)
 525                         free(vec);
 526         }
 527         return 0;
 528 }
 529
 530 int
 531 sys_getpagesize(tcp)
 532 struct tcb *tcp;
 533 {
 534         if (exiting(tcp))
 535                 return RVAL_HEX;
 536         return 0;
 537 }
 538
 539 #if defined(LINUX) && defined(__i386__)
 540 void
 541 print_ldt_entry (ldt_entry)
 542 struct modify_ldt_ldt_s *ldt_entry;
 543 {
 544         tprintf("base_addr:%#08lx, "
 545                 "limit:%d, "
 546                 "seg_32bit:%d, "
 547                 "contents:%d, "
 548                 "read_exec_only:%d, "
 549                 "limit_in_pages:%d, "
 550                 "seg_not_present:%d, "
 551                 "useable:%d}",
 552                 ldt_entry->base_addr,
 553                 ldt_entry->limit,
 554                 ldt_entry->seg_32bit,
 555                 ldt_entry->contents,
 556                 ldt_entry->read_exec_only,
 557                 ldt_entry->limit_in_pages,
 558                 ldt_entry->seg_not_present,
 559                 ldt_entry->useable);
 560 }
 561
 562 int
 563 sys_modify_ldt(tcp)
 564 struct tcb *tcp;
 565 {
 566         if (entering(tcp)) {
 567                 struct modify_ldt_ldt_s copy;
 568                 tprintf("%ld", tcp->u_arg[0]);
 569                 if (tcp->u_arg[1] == 0
 570                                 || tcp->u_arg[2] != sizeof (struct modify_ldt_ldt_s)
 571                                 || umove(tcp, tcp->u_arg[1], &copy) == -1)
 572                         tprintf(", %lx", tcp->u_arg[1]);
 573                 else {
 574                         tprintf(", {entry_number:%d, ", copy.entry_number);
 575                         if (!verbose(tcp))
 576                                 tprintf("...}");
 577                         else {
 578                                 print_ldt_entry(&copy);
 579                         }
 580                 }
 581                 tprintf(", %lu", tcp->u_arg[2]);
 582         }
 583         return 0;
 584 }
 585
 586 int
 587 sys_set_thread_area(tcp)
 588 struct tcb *tcp;
 589 {
 590         struct modify_ldt_ldt_s copy;
 591         if (entering(tcp)) {
 592                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 593                         if (copy.entry_number == -1)
 594                                 tprintf("{entry_number:%d -> ",
 595                                         copy.entry_number);
 596                         else
 597                                 tprintf("{entry_number:");
 598                 }
 599         } else {
 600                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 601                         tprintf("%d, ", copy.entry_number);
 602                         if (!verbose(tcp))
 603                                 tprintf("...}");
 604                         else {
 605                                 print_ldt_entry(&copy);
 606                         }
 607                 } else {
 608                         tprintf("%lx", tcp->u_arg[0]);
 609                 }
 610         }
 611         return 0;
 612
 613 }
 614
 615 int
 616 sys_get_thread_area(tcp)
 617 struct tcb *tcp;
 618 {
 619         struct modify_ldt_ldt_s copy;
 620         if (exiting(tcp)) {
 621                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 622                         tprintf("{entry_number:%d, ", copy.entry_number);
 623                         if (!verbose(tcp))
 624                                 tprintf("...}");
 625                         else {
 626                                 print_ldt_entry(&copy);
 627                         }
 628                 } else {
 629                         tprintf("%lx", tcp->u_arg[0]);
 630                 }
 631         }
 632         return 0;
 633
 634 }
 635 #endif /* LINUX && __i386__ */
 636
 637 #if defined(LINUX)
 638 int
 639 sys_remap_file_pages(tcp)
 640 struct tcb *tcp;
 641 {
 642         if (entering(tcp)) {
 643                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 644                 printflags(mmap_prot, tcp->u_arg[2], "PROT_???");
 645                 tprintf(", %lu, ", tcp->u_arg[3]);
 646 #ifdef MAP_TYPE
 647                 printxval(mmap_flags, tcp->u_arg[4] & MAP_TYPE, "MAP_???");
 648                 addflags(mmap_flags, tcp->u_arg[4] & ~MAP_TYPE);
 649 #else
 650                 printflags(mmap_flags, tcp->u_arg[4], "MAP_???");
 651 #endif
 652         }
 653         return 0;
 654 }
 655
 656
 657 #define MPOL_DEFAULT    0
 658 #define MPOL_PREFERRED  1
 659 #define MPOL_BIND       2
 660 #define MPOL_INTERLEAVE 3
 661
 662 #define MPOL_F_NODE     (1<<0)
 663 #define MPOL_F_ADDR     (1<<1)
 664
 665 #define MPOL_MF_STRICT  (1<<0)
 666
 667
 668 static const struct xlat policies[] = {
 669         { MPOL_DEFAULT,         "MPOL_DEFAULT"          },
 670         { MPOL_PREFERRED,       "MPOL_PREFERRED"        },
 671         { MPOL_BIND,            "MPOL_BIND"             },
 672         { MPOL_INTERLEAVE,      "MPOL_INTERLEAVE"       },
 673         { 0,                    NULL                    }
 674 };
 675
 676 static const struct xlat mbindflags[] = {
 677         { MPOL_MF_STRICT,       "MPOL_MF_STRICT"        },
 678         { 0,                    NULL                    }
 679 };
 680
 681 static const struct xlat mempolicyflags[] = {
 682         { MPOL_F_NODE,          "MPOL_F_NODE"           },
 683         { MPOL_F_ADDR,          "MPOL_F_ADDR"           },
 684         { 0,                    NULL                    }
 685 };
 686
 687
 688 static void
 689 get_nodes(tcp, ptr, maxnodes, err)
 690 struct tcb *tcp;
 691 unsigned long ptr;
 692 unsigned long maxnodes;
 693 int err;
 694 {
 695         unsigned long nlongs, size, end;
 696
 697         nlongs = (maxnodes + 8 * sizeof(long) - 1) / (8 * sizeof(long));
 698         size = nlongs * sizeof(long);
 699         end = ptr + size;
 700         if (nlongs == 0 || ((err || verbose(tcp)) && (size * 8 == maxnodes)
 701                             && (end > ptr))) {
 702                 unsigned long n, cur, abbrev_end;
 703                 int failed = 0;
 704
 705                 if (abbrev(tcp)) {
 706                         abbrev_end = ptr + max_strlen * sizeof(long);
 707                         if (abbrev_end < ptr)
 708                                 abbrev_end = end;
 709                 } else {
 710                         abbrev_end = end;
 711                 }
 712                 tprintf(", {");
 713                 for (cur = ptr; cur < end; cur += sizeof(long)) {
 714                         if (cur > ptr)
 715                                 tprintf(", ");
 716                         if (cur >= abbrev_end) {
 717                                 tprintf("...");
 718                                 break;
 719                         }
 720                         if (umoven(tcp, cur, sizeof(n), (char *) &n) < 0) {
 721                                 tprintf("?");
 722                                 failed = 1;
 723                                 break;
 724                         }
 725                         tprintf("%#0*lx", (int) sizeof(long) * 2 + 2, n);
 726                 }
 727                 tprintf("}");
 728                 if (failed)
 729                         tprintf(" %#lx", ptr);
 730         } else
 731                 tprintf(", %#lx", ptr);
 732         tprintf(", %lu", maxnodes);
 733 }
 734
 735 int
 736 sys_mbind(tcp)
 737 struct tcb *tcp;
 738 {
 739         if (entering(tcp)) {
 740                 tprintf("%lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 741                 printxval(policies, tcp->u_arg[2], "MPOL_???");
 742                 get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0);
 743                 tprintf(", ");
 744                 printflags(mbindflags, tcp->u_arg[5], "MPOL_???");
 745         }
 746         return 0;
 747 }
 748
 749 int
 750 sys_set_mempolicy(tcp)
 751 struct tcb *tcp;
 752 {
 753         if (entering(tcp)) {
 754                 printxval(policies, tcp->u_arg[0], "MPOL_???");
 755                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
 756         }
 757         return 0;
 758 }
 759
 760 int
 761 sys_get_mempolicy(tcp)
 762 struct tcb *tcp;
 763 {
 764         if (exiting(tcp)) {
 765                 int pol;
 766                 if (tcp->u_arg[0] == 0)
 767                         tprintf("NULL");
 768                 else if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &pol) < 0)
 769                         tprintf("%#lx", tcp->u_arg[0]);
 770                 else
 771                         printxval(policies, pol, "MPOL_???");
 772                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp));
 773                 tprintf(", %#lx, ", tcp->u_arg[3]);
 774                 printflags(mempolicyflags, tcp->u_arg[4], "MPOL_???");
 775         }
 776         return 0;
 777 }
 778 #endif