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