bfd/versados.c

   1 /* BFD back-end for VERSAdos-E objects.
   2    Copyright (C) 1995-2015 Free Software Foundation, Inc.
   3    Written by Steve Chamberlain of Cygnus Support <sac@cygnus.com>.
   4
   5    Versados is a Motorola trademark.
   6
   7    This file is part of BFD, the Binary File Descriptor library.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  22    MA 02110-1301, USA.  */
  23
  24 /*
  25    SUBSECTION
  26    VERSAdos-E relocatable object file format
  27
  28    DESCRIPTION
  29
  30    This module supports reading of VERSAdos relocatable
  31    object files.
  32
  33    A VERSAdos file looks like contains
  34
  35    o Identification Record
  36    o External Symbol Definition Record
  37    o Object Text Record
  38    o End Record.  */
  39
  40 #include "sysdep.h"
  41 #include "bfd.h"
  42 #include "libbfd.h"
  43 #include "libiberty.h"
  44
  45
  46 #define VHEADER '1'
  47 #define VESTDEF '2'
  48 #define VOTR '3'
  49 #define VEND '4'
  50
  51 #define ES_BASE 17              /* First symbol has esdid 17.  */
  52
  53 /* Per file target dependent information.  */
  54
  55 /* One for each section.  */
  56 struct esdid
  57 {
  58   asection *section;            /* Ptr to bfd version.  */
  59   unsigned char *contents;      /* Used to build image.  */
  60   bfd_size_type content_size;   /* The size of the contents buffer.  */
  61   int pc;
  62   int relocs;                   /* Reloc count, valid end of pass 1.  */
  63   int donerel;                  /* Have relocs been translated.  */
  64 };
  65
  66 typedef struct versados_data_struct
  67 {
  68   int es_done;                  /* Count of symbol index, starts at ES_BASE.  */
  69   asymbol *symbols;             /* Pointer to local symbols.  */
  70   char *strings;                /* Strings of all the above.  */
  71   int stringlen;                /* Len of string table (valid end of pass1).  */
  72   int nsecsyms;                 /* Number of sections.  */
  73
  74   int ndefs;                    /* Number of exported symbols (they dont get esdids).  */
  75   int nrefs;                    /* Number of imported symbols  (valid end of pass1).  */
  76
  77   int ref_idx;                  /* Current processed value of the above.  */
  78   int def_idx;
  79
  80   int pass_2_done;
  81
  82   struct esdid e[16];           /* Per section info.  */
  83   int alert;                    /* To see if we're trampling.  */
  84   asymbol *rest[256 - 16];      /* Per symbol info.  */
  85 }
  86 tdata_type;
  87
  88 #define VDATA(abfd)       (abfd->tdata.versados_data)
  89 #define EDATA(abfd, n)    (abfd->tdata.versados_data->e[(n) < 16 ? (n) : 0])
  90 #define RDATA(abfd, n)    (abfd->tdata.versados_data->rest[(n) < 240 ? (n) : 0])
  91
  92 struct ext_otr
  93 {
  94   unsigned char size;
  95   char type;
  96   unsigned char map[4];
  97   unsigned char esdid;
  98   unsigned char data[200];
  99 };
 100
 101 struct ext_vheader
 102 {
 103   unsigned char size;
 104   char type;                    /* Record type.  */
 105   char name[10];                /* Module name.  */
 106   char rev;                     /* Module rev number.  */
 107   char lang;
 108   char vol[4];
 109   char user[2];
 110   char cat[8];
 111   char fname[8];
 112   char ext[2];
 113   char time[3];
 114   char date[3];
 115   char rest[211];
 116 };
 117
 118 struct ext_esd
 119 {
 120   unsigned char size;
 121   char type;
 122   unsigned char esd_entries[1];
 123 };
 124
 125 #define ESD_ABS           0
 126 #define ESD_COMMON        1
 127 #define ESD_STD_REL_SEC   2
 128 #define ESD_SHRT_REL_SEC  3
 129 #define ESD_XDEF_IN_SEC   4
 130 #define ESD_XDEF_IN_ABS   5
 131 #define ESD_XREF_SEC      6
 132 #define ESD_XREF_SYM      7
 133
 134 union ext_any
 135 {
 136   unsigned char size;
 137   struct ext_vheader header;
 138   struct ext_esd esd;
 139   struct ext_otr otr;
 140 };
 141
 142 /* Initialize by filling in the hex conversion array.  */
 143
 144 /* Set up the tdata information.  */
 145
 146 static bfd_boolean
 147 versados_mkobject (bfd *abfd)
 148 {
 149   if (abfd->tdata.versados_data == NULL)
 150     {
 151       bfd_size_type amt = sizeof (tdata_type);
 152       tdata_type *tdata = bfd_alloc (abfd, amt);
 153
 154       if (tdata == NULL)
 155         return FALSE;
 156       abfd->tdata.versados_data = tdata;
 157       tdata->symbols = NULL;
 158       VDATA (abfd)->alert = 0x12345678;
 159     }
 160
 161   bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
 162   return TRUE;
 163 }
 164
 165 /* Report a problem in an S record file.  FIXME: This probably should
 166    not call fprintf, but we really do need some mechanism for printing
 167    error messages.  */
 168
 169 static asymbol *
 170 versados_new_symbol (bfd *abfd,
 171                      int snum,
 172                      const char *name,
 173                      bfd_vma val,
 174                      asection *sec)
 175 {
 176   asymbol *n = VDATA (abfd)->symbols + snum;
 177   n->name = name;
 178   n->value = val;
 179   n->section = sec;
 180   n->the_bfd = abfd;
 181   n->flags = 0;
 182   return n;
 183 }
 184
 185 static bfd_boolean
 186 get_record (bfd *abfd, union ext_any *ptr)
 187 {
 188   if (bfd_bread (&ptr->size, (bfd_size_type) 1, abfd) != 1
 189       || (bfd_bread ((char *) ptr + 1, (bfd_size_type) ptr->size, abfd)
 190           != ptr->size))
 191     return FALSE;
 192
 193   {
 194     bfd_size_type amt = ptr->size + 1;
 195
 196     if (amt < sizeof (* ptr))
 197       memset ((char *) ptr + amt, 0, sizeof (* ptr) - amt);
 198   }
 199
 200   return TRUE;
 201 }
 202
 203 static int
 204 get_4 (unsigned char **pp)
 205 {
 206   unsigned char *p = *pp;
 207
 208   *pp += 4;
 209   return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0);
 210 }
 211
 212 static void
 213 get_10 (unsigned char **pp, char *name)
 214 {
 215   char *p = (char *) *pp;
 216   int len = 10;
 217
 218   *pp += len;
 219   while (*p != ' ' && len)
 220     {
 221       *name++ = *p++;
 222       len--;
 223     }
 224   *name = 0;
 225 }
 226
 227 static char *
 228 new_symbol_string (bfd *abfd, const char *name)
 229 {
 230   char *n = VDATA (abfd)->strings;
 231
 232   strcpy (VDATA (abfd)->strings, name);
 233   VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1;
 234   return n;
 235 }
 236
 237 static void
 238 process_esd (bfd *abfd, struct ext_esd *esd, int pass)
 239 {
 240   /* Read through the ext def for the est entries.  */
 241   int togo = esd->size - 2;
 242   bfd_vma size;
 243   bfd_vma start;
 244   asection *sec;
 245   char name[11];
 246   unsigned char *ptr = esd->esd_entries;
 247   unsigned char *end = ptr + togo;
 248
 249   while (ptr < end)
 250     {
 251       int scn = *ptr & 0xf;
 252       int typ = (*ptr >> 4) & 0xf;
 253
 254       /* Declare this section.  */
 255       sprintf (name, "%d", scn);
 256       sec = bfd_make_section_old_way (abfd, strdup (name));
 257       sec->target_index = scn;
 258       EDATA (abfd, scn).section = sec;
 259       ptr++;
 260
 261       switch (typ)
 262         {
 263         default:
 264           abort ();
 265         case ESD_XREF_SEC:
 266         case ESD_XREF_SYM:
 267           {
 268             int snum = VDATA (abfd)->ref_idx++;
 269             get_10 (&ptr, name);
 270             if (pass == 1)
 271               VDATA (abfd)->stringlen += strlen (name) + 1;
 272             else
 273               {
 274                 int esidx;
 275                 asymbol *s;
 276                 char *n = new_symbol_string (abfd, name);
 277
 278                 s = versados_new_symbol (abfd, snum, n, (bfd_vma) 0,
 279                                          bfd_und_section_ptr);
 280                 esidx = VDATA (abfd)->es_done++;
 281                 RDATA (abfd, esidx - ES_BASE) = s;
 282               }
 283           }
 284           break;
 285
 286         case ESD_ABS:
 287           size = get_4 (&ptr);
 288           (void) size;
 289           start = get_4 (&ptr);
 290           (void) start;
 291           break;
 292         case ESD_STD_REL_SEC:
 293         case ESD_SHRT_REL_SEC:
 294           sec->size = get_4 (&ptr);
 295           sec->flags |= SEC_ALLOC;
 296           break;
 297         case ESD_XDEF_IN_ABS:
 298           sec = bfd_abs_section_ptr;
 299         case ESD_XDEF_IN_SEC:
 300           {
 301             int snum = VDATA (abfd)->def_idx++;
 302             bfd_vma val;
 303
 304             get_10 (&ptr, name);
 305             val = get_4 (&ptr);
 306             if (pass == 1)
 307               /* Just remember the symbol.  */
 308               VDATA (abfd)->stringlen += strlen (name) + 1;
 309             else
 310               {
 311                 asymbol *s;
 312                 char *n = new_symbol_string (abfd, name);
 313
 314                 s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n,
 315                                          val, sec);
 316                 s->flags |= BSF_GLOBAL;
 317               }
 318           }
 319           break;
 320         }
 321     }
 322 }
 323
 324 #define R_RELWORD     1
 325 #define R_RELLONG     2
 326 #define R_RELWORD_NEG 3
 327 #define R_RELLONG_NEG 4
 328
 329 reloc_howto_type versados_howto_table[] =
 330 {
 331   HOWTO (R_RELWORD, 0, 1, 16, FALSE,
 332          0, complain_overflow_dont, 0,
 333          "+v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
 334   HOWTO (R_RELLONG, 0, 2, 32, FALSE,
 335          0, complain_overflow_dont, 0,
 336          "+v32", TRUE, 0xffffffff, 0xffffffff, FALSE),
 337
 338   HOWTO (R_RELWORD_NEG, 0, -1, 16, FALSE,
 339          0, complain_overflow_dont, 0,
 340          "-v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
 341   HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE,
 342          0, complain_overflow_dont, 0,
 343          "-v32", TRUE, 0xffffffff, 0xffffffff, FALSE),
 344 };
 345
 346 static int
 347 get_offset (int len, unsigned char *ptr)
 348 {
 349   int val = 0;
 350
 351   if (len)
 352     {
 353       int i;
 354
 355       val = *ptr++;
 356       if (val & 0x80)
 357         val |= ~0xff;
 358       for (i = 1; i < len; i++)
 359         val = (val << 8) | *ptr++;
 360     }
 361
 362   return val;
 363 }
 364
 365 static void
 366 process_otr (bfd *abfd, struct ext_otr *otr, int pass)
 367 {
 368   unsigned long shift;
 369   unsigned char *srcp = otr->data;
 370   unsigned char *endp = (unsigned char *) otr + otr->size;
 371   unsigned int bits = (otr->map[0] << 24)
 372   | (otr->map[1] << 16)
 373   | (otr->map[2] << 8)
 374   | (otr->map[3] << 0);
 375
 376   struct esdid *esdid = &EDATA (abfd, otr->esdid - 1);
 377   unsigned char *contents;
 378   bfd_boolean need_contents = FALSE;
 379   unsigned int dst_idx;
 380
 381   /* PR 17512: file: ac7da425.  */
 382   if (otr->esdid == 0)
 383     return;
 384
 385   contents = esdid->contents;
 386   dst_idx = esdid->pc;
 387
 388   for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1)
 389     {
 390       if (bits & shift)
 391         {
 392           int flag = *srcp++;
 393           int esdids = (flag >> 5) & 0x7;
 394           int sizeinwords = ((flag >> 3) & 1) ? 2 : 1;
 395           int offsetlen = flag & 0x7;
 396           int j;
 397
 398           if (esdids == 0)
 399             {
 400               /* A zero esdid means the new pc is the offset given.  */
 401               dst_idx += get_offset (offsetlen, srcp);
 402               srcp += offsetlen;
 403             }
 404           else
 405             {
 406               int val = get_offset (offsetlen, srcp + esdids);
 407
 408               if (pass == 1)
 409                 need_contents = TRUE;
 410               else if (contents && dst_idx < esdid->content_size - sizeinwords * 2)
 411                 for (j = 0; j < sizeinwords * 2; j++)
 412                   {
 413                     contents[dst_idx + (sizeinwords * 2) - j - 1] = val;
 414                     val >>= 8;
 415                   }
 416
 417               for (j = 0; j < esdids; j++)
 418                 {
 419                   int id = *srcp++;
 420
 421                   if (id)
 422                     {
 423                       int rn = EDATA (abfd, otr->esdid - 1).relocs++;
 424
 425                       if (pass == 1)
 426                         {
 427                           /* This is the first pass over the data,
 428                              just remember that we need a reloc.  */
 429                         }
 430                       else
 431                         {
 432                           arelent *n;
 433
 434                           /* PR 17512: file: 54f733e0.  */
 435                           if (EDATA (abfd, otr->esdid - 1).section == NULL)
 436                             continue;
 437                           n = EDATA (abfd, otr->esdid - 1).section->relocation + rn;
 438                           n->address = dst_idx;
 439                           n->sym_ptr_ptr = (asymbol **) (size_t) id;
 440                           n->addend = 0;
 441                           n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1);
 442                         }
 443                     }
 444                 }
 445               srcp += offsetlen;
 446               dst_idx += sizeinwords * 2;
 447             }
 448         }
 449       else
 450         {
 451           need_contents = TRUE;
 452
 453           if (esdid->section && contents && dst_idx < esdid->content_size - 1)
 454             if (pass == 2)
 455               {
 456                 /* Absolute code, comes in 16 bit lumps.  */
 457                 contents[dst_idx] = srcp[0];
 458                 contents[dst_idx + 1] = srcp[1];
 459               }
 460
 461           dst_idx += 2;
 462           srcp += 2;
 463         }
 464     }
 465
 466   EDATA (abfd, otr->esdid - 1).pc = dst_idx;
 467
 468   if (!contents && need_contents)
 469     {
 470       if (esdid->section)
 471         {
 472           bfd_size_type size;
 473
 474           size = esdid->section->size;
 475           esdid->contents = bfd_alloc (abfd, size);
 476           esdid->content_size = size;
 477         }
 478       else
 479         esdid->contents = NULL;
 480     }
 481 }
 482
 483 static bfd_boolean
 484 versados_scan (bfd *abfd)
 485 {
 486   bfd_boolean loop = TRUE;
 487   int i;
 488   int j;
 489   int nsecs = 0;
 490   bfd_size_type amt;
 491
 492   VDATA (abfd)->stringlen = 0;
 493   VDATA (abfd)->nrefs = 0;
 494   VDATA (abfd)->ndefs = 0;
 495   VDATA (abfd)->ref_idx = 0;
 496   VDATA (abfd)->def_idx = 0;
 497   VDATA (abfd)->pass_2_done = 0;
 498
 499   while (loop)
 500     {
 501       union ext_any any;
 502
 503       if (!get_record (abfd, &any))
 504         return FALSE;
 505       switch (any.header.type)
 506         {
 507         case VHEADER:
 508           break;
 509         case VEND:
 510           loop = FALSE;
 511           break;
 512         case VESTDEF:
 513           process_esd (abfd, &any.esd, 1);
 514           break;
 515         case VOTR:
 516           process_otr (abfd, &any.otr, 1);
 517           break;
 518         }
 519     }
 520
 521   /* Now allocate space for the relocs and sections.  */
 522   VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx;
 523   VDATA (abfd)->ndefs = VDATA (abfd)->def_idx;
 524   VDATA (abfd)->ref_idx = 0;
 525   VDATA (abfd)->def_idx = 0;
 526
 527   abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs;
 528
 529   for (i = 0; i < 16; i++)
 530     {
 531       struct esdid *esdid = &EDATA (abfd, i);
 532
 533       if (esdid->section)
 534         {
 535           amt = (bfd_size_type) esdid->relocs * sizeof (arelent);
 536           esdid->section->relocation = bfd_alloc (abfd, amt);
 537           esdid->pc = 0;
 538
 539           if (esdid->contents)
 540             esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD;
 541
 542           esdid->section->reloc_count = esdid->relocs;
 543           if (esdid->relocs)
 544             esdid->section->flags |= SEC_RELOC;
 545
 546           esdid->relocs = 0;
 547
 548           /* Add an entry into the symbol table for it.  */
 549           nsecs++;
 550           VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1;
 551         }
 552     }
 553
 554   abfd->symcount += nsecs;
 555
 556   amt = abfd->symcount;
 557   amt *= sizeof (asymbol);
 558   VDATA (abfd)->symbols = bfd_alloc (abfd, amt);
 559
 560   amt = VDATA (abfd)->stringlen;
 561   VDATA (abfd)->strings = bfd_alloc (abfd, amt);
 562
 563   if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0)
 564       || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0))
 565     return FALSE;
 566
 567   /* Actually fill in the section symbols,
 568      we stick them at the end of the table.  */
 569   for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++)
 570     {
 571       struct esdid *esdid = &EDATA (abfd, i);
 572       asection *sec = esdid->section;
 573
 574       if (sec)
 575         {
 576           asymbol *s = VDATA (abfd)->symbols + j;
 577           s->name = new_symbol_string (abfd, sec->name);
 578           s->section = sec;
 579           s->flags = BSF_LOCAL;
 580           s->value = 0;
 581           s->the_bfd = abfd;
 582           j++;
 583         }
 584     }
 585
 586   if (abfd->symcount)
 587     abfd->flags |= HAS_SYMS;
 588
 589   /* Set this to nsecs - since we've already planted the section
 590      symbols.  */
 591   VDATA (abfd)->nsecsyms = nsecs;
 592
 593   VDATA (abfd)->ref_idx = 0;
 594
 595   return TRUE;
 596 }
 597
 598 /* Check whether an existing file is a versados  file.  */
 599
 600 static const bfd_target *
 601 versados_object_p (bfd *abfd)
 602 {
 603   struct ext_vheader ext;
 604   unsigned char len;
 605   tdata_type *tdata_save;
 606
 607   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
 608     return NULL;
 609
 610   if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1)
 611     {
 612       if (bfd_get_error () != bfd_error_system_call)
 613         bfd_set_error (bfd_error_wrong_format);
 614       return NULL;
 615     }
 616
 617   /* PR 17512: file: 726-2128-0.004.  */
 618   if (len < 13)
 619     {
 620       bfd_set_error (bfd_error_wrong_format);
 621       return NULL;
 622     }
 623
 624   if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len)
 625     {
 626       if (bfd_get_error () != bfd_error_system_call)
 627         bfd_set_error (bfd_error_wrong_format);
 628       return NULL;
 629     }
 630
 631   /* We guess that the language field will never be larger than 10.
 632      In sample files, it is always either 0 or 1.  Checking for this
 633      prevents confusion with Intel Hex files.  */
 634   if (ext.type != VHEADER
 635       || ext.lang > 10)
 636     {
 637       bfd_set_error (bfd_error_wrong_format);
 638       return NULL;
 639     }
 640
 641   /* OK, looks like a record, build the tdata and read in.  */
 642   tdata_save = abfd->tdata.versados_data;
 643   if (!versados_mkobject (abfd) || !versados_scan (abfd))
 644     {
 645       abfd->tdata.versados_data = tdata_save;
 646       return NULL;
 647     }
 648
 649   return abfd->xvec;
 650 }
 651
 652 static bfd_boolean
 653 versados_pass_2 (bfd *abfd)
 654 {
 655   union ext_any any;
 656
 657   if (VDATA (abfd)->pass_2_done)
 658     return 1;
 659
 660   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
 661     return 0;
 662
 663   VDATA (abfd)->es_done = ES_BASE;
 664
 665   /* Read records till we get to where we want to be.  */
 666   while (1)
 667     {
 668       get_record (abfd, &any);
 669       switch (any.header.type)
 670         {
 671         case VEND:
 672           VDATA (abfd)->pass_2_done = 1;
 673           return 1;
 674         case VESTDEF:
 675           process_esd (abfd, &any.esd, 2);
 676           break;
 677         case VOTR:
 678           process_otr (abfd, &any.otr, 2);
 679           break;
 680         }
 681     }
 682 }
 683
 684 static bfd_boolean
 685 versados_get_section_contents (bfd *abfd,
 686                                asection *section,
 687                                void * location,
 688                                file_ptr offset,
 689                                bfd_size_type count)
 690 {
 691   struct esdid *esdid;
 692
 693   if (!versados_pass_2 (abfd))
 694     return FALSE;
 695
 696   esdid = &EDATA (abfd, section->target_index);
 697
 698   if (esdid->contents == NULL
 699       || offset < 0
 700       || (bfd_size_type) offset > esdid->content_size
 701       || offset + count > esdid->content_size)
 702     return FALSE;
 703
 704   memcpy (location, esdid->contents + offset, (size_t) count);
 705
 706   return TRUE;
 707 }
 708
 709 #define versados_get_section_contents_in_window \
 710   _bfd_generic_get_section_contents_in_window
 711
 712 static bfd_boolean
 713 versados_set_section_contents (bfd *abfd ATTRIBUTE_UNUSED,
 714                                sec_ptr section ATTRIBUTE_UNUSED,
 715                                const void * location ATTRIBUTE_UNUSED,
 716                                file_ptr offset ATTRIBUTE_UNUSED,
 717                                bfd_size_type bytes_to_do ATTRIBUTE_UNUSED)
 718 {
 719   return FALSE;
 720 }
 721
 722 static int
 723 versados_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED,
 724                          struct bfd_link_info *info ATTRIBUTE_UNUSED)
 725 {
 726   return 0;
 727 }
 728
 729 /* Return the amount of memory needed to read the symbol table.  */
 730
 731 static long
 732 versados_get_symtab_upper_bound (bfd *abfd)
 733 {
 734   return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *);
 735 }
 736
 737 /* Return the symbol table.  */
 738
 739 static long
 740 versados_canonicalize_symtab (bfd *abfd, asymbol **alocation)
 741 {
 742   unsigned int symcount = bfd_get_symcount (abfd);
 743   unsigned int i;
 744   asymbol *s;
 745
 746   versados_pass_2 (abfd);
 747
 748   for (i = 0, s = VDATA (abfd)->symbols;
 749        i < symcount;
 750        s++, i++)
 751     *alocation++ = s;
 752
 753   *alocation = NULL;
 754
 755   return symcount;
 756 }
 757
 758 static void
 759 versados_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
 760                           asymbol *symbol,
 761                           symbol_info *ret)
 762 {
 763   bfd_symbol_info (symbol, ret);
 764 }
 765
 766 static void
 767 versados_print_symbol (bfd *abfd,
 768                        void * afile,
 769                        asymbol *symbol,
 770                        bfd_print_symbol_type how)
 771 {
 772   FILE *file = (FILE *) afile;
 773
 774   switch (how)
 775     {
 776     case bfd_print_symbol_name:
 777       fprintf (file, "%s", symbol->name);
 778       break;
 779     default:
 780       bfd_print_symbol_vandf (abfd, (void *) file, symbol);
 781       fprintf (file, " %-5s %s",
 782                symbol->section->name,
 783                symbol->name);
 784     }
 785 }
 786
 787 static long
 788 versados_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED,
 789                                 sec_ptr asect)
 790 {
 791   return (asect->reloc_count + 1) * sizeof (arelent *);
 792 }
 793
 794 static long
 795 versados_canonicalize_reloc (bfd *abfd,
 796                              sec_ptr section,
 797                              arelent **relptr,
 798                              asymbol **symbols)
 799 {
 800   unsigned int count;
 801   arelent *src;
 802
 803   versados_pass_2 (abfd);
 804   src = section->relocation;
 805
 806   if (!EDATA (abfd, section->target_index).donerel)
 807     {
 808       EDATA (abfd, section->target_index).donerel = 1;
 809       /* Translate from indexes to symptr ptrs.  */
 810       for (count = 0; count < section->reloc_count; count++)
 811         {
 812           int esdid = (int) (size_t) src[count].sym_ptr_ptr;
 813
 814           if (esdid == 0)
 815             src[count].sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
 816           else if (esdid < ES_BASE)
 817             {
 818               /* Section relative thing.  */
 819               struct esdid *e = &EDATA (abfd, esdid - 1);
 820
 821               /* PR 17512: file:cd92277c.  */
 822               if (e->section)
 823                 src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr;
 824               else
 825                 src[count].sym_ptr_ptr = bfd_und_section_ptr->symbol_ptr_ptr;
 826             }
 827           /* PR 17512: file:3757-2936-0.004.  */
 828           else if ((unsigned) (esdid - ES_BASE) >= bfd_get_symcount (abfd))
 829             src[count].sym_ptr_ptr = bfd_und_section_ptr->symbol_ptr_ptr;
 830           else
 831             src[count].sym_ptr_ptr = symbols + esdid - ES_BASE;
 832         }
 833     }
 834
 835   for (count = 0; count < section->reloc_count; count++)
 836     *relptr++ = src++;
 837
 838   *relptr = 0;
 839   return section->reloc_count;
 840 }
 841
 842 #define versados_close_and_cleanup                    _bfd_generic_close_and_cleanup
 843 #define versados_bfd_free_cached_info                 _bfd_generic_bfd_free_cached_info
 844 #define versados_new_section_hook                     _bfd_generic_new_section_hook
 845 #define versados_bfd_is_target_special_symbol   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 846 #define versados_bfd_is_local_label_name              bfd_generic_is_local_label_name
 847 #define versados_get_lineno                           _bfd_nosymbols_get_lineno
 848 #define versados_find_nearest_line                    _bfd_nosymbols_find_nearest_line
 849 #define versados_find_line                            _bfd_nosymbols_find_line
 850 #define versados_find_inliner_info                    _bfd_nosymbols_find_inliner_info
 851 #define versados_get_symbol_version_string            _bfd_nosymbols_get_symbol_version_string
 852 #define versados_make_empty_symbol                    _bfd_generic_make_empty_symbol
 853 #define versados_bfd_make_debug_symbol                _bfd_nosymbols_bfd_make_debug_symbol
 854 #define versados_read_minisymbols                     _bfd_generic_read_minisymbols
 855 #define versados_minisymbol_to_symbol                 _bfd_generic_minisymbol_to_symbol
 856 #define versados_bfd_reloc_type_lookup                _bfd_norelocs_bfd_reloc_type_lookup
 857 #define versados_bfd_reloc_name_lookup          _bfd_norelocs_bfd_reloc_name_lookup
 858 #define versados_set_arch_mach                        bfd_default_set_arch_mach
 859 #define versados_bfd_get_relocated_section_contents   bfd_generic_get_relocated_section_contents
 860 #define versados_bfd_relax_section                    bfd_generic_relax_section
 861 #define versados_bfd_gc_sections                      bfd_generic_gc_sections
 862 #define versados_bfd_lookup_section_flags             bfd_generic_lookup_section_flags
 863 #define versados_bfd_merge_sections                   bfd_generic_merge_sections
 864 #define versados_bfd_is_group_section                 bfd_generic_is_group_section
 865 #define versados_bfd_discard_group                    bfd_generic_discard_group
 866 #define versados_section_already_linked               _bfd_generic_section_already_linked
 867 #define versados_bfd_define_common_symbol             bfd_generic_define_common_symbol
 868 #define versados_bfd_link_hash_table_create           _bfd_generic_link_hash_table_create
 869 #define versados_bfd_link_add_symbols                 _bfd_generic_link_add_symbols
 870 #define versados_bfd_link_just_syms                   _bfd_generic_link_just_syms
 871 #define versados_bfd_copy_link_hash_symbol_type \
 872   _bfd_generic_copy_link_hash_symbol_type
 873 #define versados_bfd_final_link                       _bfd_generic_final_link
 874 #define versados_bfd_link_split_section               _bfd_generic_link_split_section
 875
 876 const bfd_target m68k_versados_vec =
 877 {
 878   "versados",                   /* Name.  */
 879   bfd_target_versados_flavour,
 880   BFD_ENDIAN_BIG,               /* Target byte order.  */
 881   BFD_ENDIAN_BIG,               /* Target headers byte order.  */
 882   (HAS_RELOC | EXEC_P |         /* Object flags.  */
 883    HAS_LINENO | HAS_DEBUG |
 884    HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
 885   (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
 886    | SEC_ALLOC | SEC_LOAD | SEC_RELOC),         /* Section flags.  */
 887   0,                            /* Leading underscore.  */
 888   ' ',                          /* AR_pad_char.  */
 889   16,                           /* AR_max_namelen.  */
 890   0,                            /* match priority.  */
 891   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 892   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 893   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* Data.  */
 894   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 895   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 896   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* Headers.  */
 897
 898   {
 899     _bfd_dummy_target,
 900     versados_object_p,          /* bfd_check_format.  */
 901     _bfd_dummy_target,
 902     _bfd_dummy_target,
 903   },
 904   {
 905     bfd_false,
 906     versados_mkobject,
 907     _bfd_generic_mkarchive,
 908     bfd_false,
 909   },
 910   {                             /* bfd_write_contents.  */
 911     bfd_false,
 912     bfd_false,
 913     _bfd_write_archive_contents,
 914     bfd_false,
 915   },
 916
 917   BFD_JUMP_TABLE_GENERIC (versados),
 918   BFD_JUMP_TABLE_COPY (_bfd_generic),
 919   BFD_JUMP_TABLE_CORE (_bfd_nocore),
 920   BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
 921   BFD_JUMP_TABLE_SYMBOLS (versados),
 922   BFD_JUMP_TABLE_RELOCS (versados),
 923   BFD_JUMP_TABLE_WRITE (versados),
 924   BFD_JUMP_TABLE_LINK (versados),
 925   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 926
 927   NULL,
 928
 929   NULL
 930 };