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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]);
 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]);
 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]);
 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]);
 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                 if (!printflags(mmap_prot, tcp->u_arg[2]))
 341                         tprintf("PROT_???");
 342         }
 343         return 0;
 344 }
 345
 346 #ifdef LINUX
 347
 348 static const struct xlat mremap_flags[] = {
 349         { MREMAP_MAYMOVE,       "MREMAP_MAYMOVE"        },
 350         { 0,                    NULL                    }
 351 };
 352
 353 int
 354 sys_mremap(tcp)
 355 struct tcb *tcp;
 356 {
 357         if (entering(tcp)) {
 358                 tprintf("%#lx, %lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1],
 359                         tcp->u_arg[2]);
 360                 printflags(mremap_flags, tcp->u_arg[3]);
 361         }
 362         return RVAL_HEX;
 363 }
 364
 365 static const struct xlat madvise_flags[] = {
 366 #ifdef MADV_NORMAL
 367         { MADV_NORMAL,          "MADV_NORMAL" },
 368 #endif
 369 #ifdef MADZV_RANDOM
 370         { MADV_RANDOM,          "MADV_RANDOM" },
 371 #endif
 372 #ifdef MADV_SEQUENTIAL
 373         { MADV_SEQUENTIAL,      "MADV_SEQUENTIAL" },
 374 #endif
 375 #ifdef MADV_WILLNEED
 376         { MADV_WILLNEED,        "MADV_WILLNEED" },
 377 #endif
 378 #ifdef MADV_DONTNED
 379         { MADV_DONTNEED,        "MADV_DONTNEED" },
 380 #endif
 381         { 0,                    NULL },
 382 };
 383
 384
 385 int
 386 sys_madvise(tcp)
 387 struct tcb *tcp;
 388 {
 389         if (entering(tcp)) {
 390                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 391                 printflags(madvise_flags, tcp->u_arg[2]);
 392         }
 393         return 0;
 394 }
 395
 396
 397 static const struct xlat mlockall_flags[] = {
 398 #ifdef MCL_CURRENT
 399         { MCL_CURRENT,  "MCL_CURRENT" },
 400 #endif
 401 #ifdef MCL_FUTURE
 402         { MCL_FUTURE,   "MCL_FUTURE" },
 403 #endif
 404         { 0,            NULL}
 405 };
 406
 407 int
 408 sys_mlockall(tcp)
 409 struct tcb *tcp;
 410 {
 411         if (entering(tcp)) {
 412                 printflags(mlockall_flags, tcp->u_arg[0]);
 413         }
 414         return 0;
 415 }
 416
 417
 418 #endif /* LINUX */
 419
 420 #ifdef MS_ASYNC
 421
 422 static const struct xlat mctl_sync[] = {
 423 #ifdef MS_SYNC
 424         { MS_SYNC,      "MS_SYNC"       },
 425 #endif
 426         { MS_ASYNC,     "MS_ASYNC"      },
 427         { MS_INVALIDATE,"MS_INVALIDATE" },
 428         { 0,            NULL            },
 429 };
 430
 431 int
 432 sys_msync(tcp)
 433 struct tcb *tcp;
 434 {
 435         if (entering(tcp)) {
 436                 /* addr */
 437                 tprintf("%#lx", tcp->u_arg[0]);
 438                 /* len */
 439                 tprintf(", %lu, ", tcp->u_arg[1]);
 440                 /* flags */
 441                 if (!printflags(mctl_sync, tcp->u_arg[2]))
 442                         tprintf("MS_???");
 443         }
 444         return 0;
 445 }
 446
 447 #endif /* MS_ASYNC */
 448
 449 #ifdef MC_SYNC
 450
 451 static const struct xlat mctl_funcs[] = {
 452         { MC_LOCK,      "MC_LOCK"       },
 453         { MC_LOCKAS,    "MC_LOCKAS"     },
 454         { MC_SYNC,      "MC_SYNC"       },
 455         { MC_UNLOCK,    "MC_UNLOCK"     },
 456         { MC_UNLOCKAS,  "MC_UNLOCKAS"   },
 457         { 0,            NULL            },
 458 };
 459
 460 static const struct xlat mctl_lockas[] = {
 461         { MCL_CURRENT,  "MCL_CURRENT"   },
 462         { MCL_FUTURE,   "MCL_FUTURE"    },
 463         { 0,            NULL            },
 464 };
 465
 466 int
 467 sys_mctl(tcp)
 468 struct tcb *tcp;
 469 {
 470         int arg, function;
 471
 472         if (entering(tcp)) {
 473                 /* addr */
 474                 tprintf("%#lx", tcp->u_arg[0]);
 475                 /* len */
 476                 tprintf(", %lu, ", tcp->u_arg[1]);
 477                 /* function */
 478                 function = tcp->u_arg[2];
 479                 if (!printflags(mctl_funcs, function))
 480                         tprintf("MC_???");
 481                 /* arg */
 482                 arg = tcp->u_arg[3];
 483                 tprintf(", ");
 484                 switch (function) {
 485                 case MC_SYNC:
 486                         if (!printflags(mctl_sync, arg))
 487                                 tprintf("MS_???");
 488                         break;
 489                 case MC_LOCKAS:
 490                         if (!printflags(mctl_lockas, arg))
 491                                 tprintf("MCL_???");
 492                         break;
 493                 default:
 494                         tprintf("%#x", arg);
 495                         break;
 496                 }
 497         }
 498         return 0;
 499 }
 500
 501 #endif /* MC_SYNC */
 502
 503 int
 504 sys_mincore(tcp)
 505 struct tcb *tcp;
 506 {
 507         int i, len;
 508         char *vec = NULL;
 509
 510         if (entering(tcp)) {
 511                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 512         } else {
 513                 len = tcp->u_arg[1];
 514                 if (syserror(tcp) || tcp->u_arg[2] == 0 ||
 515                         (vec = malloc((u_int)len)) == NULL ||
 516                         umoven(tcp, tcp->u_arg[2], len, vec) < 0)
 517                         tprintf("%#lx", tcp->u_arg[2]);
 518                 else {
 519                         tprintf("[");
 520                         for (i = 0; i < len; i++) {
 521                                 if (abbrev(tcp) && i >= max_strlen) {
 522                                         tprintf("...");
 523                                         break;
 524                                 }
 525                                 tprintf((vec[i] & 1) ? "1" : "0");
 526                         }
 527                         tprintf("]");
 528                 }
 529                 if (vec)
 530                         free(vec);
 531         }
 532         return 0;
 533 }
 534
 535 int
 536 sys_getpagesize(tcp)
 537 struct tcb *tcp;
 538 {
 539         if (exiting(tcp))
 540                 return RVAL_HEX;
 541         return 0;
 542 }
 543
 544 #if defined(LINUX) && defined(__i386__)
 545 void
 546 print_ldt_entry (ldt_entry)
 547 struct modify_ldt_ldt_s *ldt_entry;
 548 {
 549         tprintf("base_addr:%#08lx, "
 550                 "limit:%d, "
 551                 "seg_32bit:%d, "
 552                 "contents:%d, "
 553                 "read_exec_only:%d, "
 554                 "limit_in_pages:%d, "
 555                 "seg_not_present:%d, "
 556                 "useable:%d}",
 557                 ldt_entry->base_addr,
 558                 ldt_entry->limit,
 559                 ldt_entry->seg_32bit,
 560                 ldt_entry->contents,
 561                 ldt_entry->read_exec_only,
 562                 ldt_entry->limit_in_pages,
 563                 ldt_entry->seg_not_present,
 564                 ldt_entry->useable);
 565 }
 566
 567 int
 568 sys_modify_ldt(tcp)
 569 struct tcb *tcp;
 570 {
 571         if (entering(tcp)) {
 572                 struct modify_ldt_ldt_s copy;
 573                 tprintf("%ld", tcp->u_arg[0]);
 574                 if (tcp->u_arg[1] == 0
 575                                 || tcp->u_arg[2] != sizeof (struct modify_ldt_ldt_s)
 576                                 || umove(tcp, tcp->u_arg[1], &copy) == -1)
 577                         tprintf(", %lx", tcp->u_arg[1]);
 578                 else {
 579                         tprintf(", {entry_number:%d, ", copy.entry_number);
 580                         if (!verbose(tcp))
 581                                 tprintf("...}");
 582                         else {
 583                                 print_ldt_entry(&copy);
 584                         }
 585                 }
 586                 tprintf(", %lu", tcp->u_arg[2]);
 587         }
 588         return 0;
 589 }
 590
 591 int
 592 sys_set_thread_area(tcp)
 593 struct tcb *tcp;
 594 {
 595         struct modify_ldt_ldt_s copy;
 596         if (entering(tcp)) {
 597                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 598                         if (copy.entry_number == -1)
 599                                 tprintf("{entry_number:%d -> ",
 600                                         copy.entry_number);
 601                         else
 602                                 tprintf("{entry_number:");
 603                 }
 604         } else {
 605                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 606                         tprintf("%d, ", copy.entry_number);
 607                         if (!verbose(tcp))
 608                                 tprintf("...}");
 609                         else {
 610                                 print_ldt_entry(&copy);
 611                         }
 612                 } else {
 613                         tprintf("%lx", tcp->u_arg[0]);
 614                 }
 615         }
 616         return 0;
 617
 618 }
 619
 620 int
 621 sys_get_thread_area(tcp)
 622 struct tcb *tcp;
 623 {
 624         struct modify_ldt_ldt_s copy;
 625         if (exiting(tcp)) {
 626                 if (umove(tcp, tcp->u_arg[0], &copy) != -1) {
 627                         tprintf("{entry_number:%d, ", copy.entry_number);
 628                         if (!verbose(tcp))
 629                                 tprintf("...}");
 630                         else {
 631                                 print_ldt_entry(&copy);
 632                         }
 633                 } else {
 634                         tprintf("%lx", tcp->u_arg[0]);
 635                 }
 636         }
 637         return 0;
 638
 639 }
 640 #endif /* LINUX && __i386__ */
 641
 642 #if defined(LINUX)
 643 int
 644 sys_remap_file_pages(tcp)
 645 struct tcb *tcp;
 646 {
 647         if (entering(tcp)) {
 648                 tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 649                 printflags(mmap_prot, tcp->u_arg[2]);
 650                 tprintf(", %lu, ", tcp->u_arg[3]);
 651 #ifdef MAP_TYPE
 652                 printxval(mmap_flags, tcp->u_arg[4] & MAP_TYPE, "MAP_???");
 653                 addflags(mmap_flags, tcp->u_arg[4] & ~MAP_TYPE);
 654 #else
 655                 printflags(mmap_flags, tcp->u_arg[4]);
 656 #endif
 657         }
 658         return 0;
 659 }
 660
 661
 662 #define MPOL_DEFAULT    0
 663 #define MPOL_PREFERRED  1
 664 #define MPOL_BIND       2
 665 #define MPOL_INTERLEAVE 3
 666
 667 #define MPOL_F_NODE     (1<<0)
 668 #define MPOL_F_ADDR     (1<<1)
 669
 670 #define MPOL_MF_STRICT  (1<<0)
 671
 672
 673 static const struct xlat policies[] = {
 674         { MPOL_DEFAULT,         "MPOL_DEFAULT"          },
 675         { MPOL_PREFERRED,       "MPOL_PREFERRED"        },
 676         { MPOL_BIND,            "MPOL_BIND"             },
 677         { MPOL_INTERLEAVE,      "MPOL_INTERLEAVE"       },
 678         { 0,                    NULL                    }
 679 };
 680
 681 static const struct xlat mbindflags[] = {
 682         { MPOL_MF_STRICT,       "MPOL_MF_STRICT"        },
 683         { 0,                    NULL                    }
 684 };
 685
 686 static const struct xlat mempolicyflags[] = {
 687         { MPOL_F_NODE,          "MPOL_F_NODE"           },
 688         { MPOL_F_ADDR,          "MPOL_F_ADDR"           },
 689         { 0,                    NULL                    }
 690 };
 691
 692
 693 static void
 694 get_nodes(tcp, ptr, maxnodes, err)
 695 struct tcb *tcp;
 696 unsigned long ptr;
 697 unsigned long maxnodes;
 698 int err;
 699 {
 700         int nlongs = (maxnodes + 8 * sizeof(long) - 1) / (8 * sizeof(long));
 701         if (err || !abbrev(tcp) || nlongs > getpagesize() / sizeof(long)
 702             || nlongs == 0) {
 703                 long buf[nlongs];
 704                 if (umoven(tcp, ptr, nlongs * sizeof(long),
 705                            (char *) buf) < 0)
 706                         tprintf(", %lx", ptr);
 707                 else {
 708                         int i;
 709                         tprintf(", {");
 710                         for (i = 0; i < nlongs; ++i) {
 711                                 if (i > 0)
 712                                         tprintf(", ");
 713                                 tprintf("%#0*lx", (int) sizeof(long) * 2 + 2,
 714                                         buf[i]);
 715                         }
 716                         tprintf("}");
 717                 }
 718         } else
 719                 tprintf(", %lx", ptr);
 720         tprintf(", %lu", maxnodes);
 721 }
 722
 723 int
 724 sys_mbind(tcp)
 725 struct tcb *tcp;
 726 {
 727         if (entering(tcp)) {
 728                 tprintf("%lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
 729                 printxval(policies, tcp->u_arg[2], "MPOL_???");
 730                 get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0);
 731                 tprintf(", ");
 732                 if (printflags(mbindflags, tcp->u_arg[5]) == 0)
 733                         tprintf("0");
 734         }
 735         return 0;
 736 }
 737
 738 int
 739 sys_set_mempolicy(tcp)
 740 struct tcb *tcp;
 741 {
 742         if (entering(tcp)) {
 743                 printxval(policies, tcp->u_arg[0], "MPOL_???");
 744                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0);
 745         }
 746         return 0;
 747 }
 748
 749 int
 750 sys_get_mempolicy(tcp)
 751 struct tcb *tcp;
 752 {
 753         if (exiting(tcp)) {
 754                 int pol;
 755                 if (tcp->u_arg[0] == 0)
 756                         tprintf("NULL");
 757                 else if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &pol) < 0)
 758                         tprintf("%#lx", tcp->u_arg[0]);
 759                 else
 760                         printxval(policies, pol, "MPOL_???");
 761                 get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp));
 762                 tprintf(", %#lx, ", tcp->u_arg[3]);
 763                 if (printflags(mempolicyflags, tcp->u_arg[4]) == 0)
 764                         tprintf("0");
 765         }
 766         return 0;
 767 }
 768 #endif