bfd/versados.c

   1 /* BFD back-end for VERSAdos-E objects.
   2    Copyright (C) 1995-2014 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 = esdid->contents;
 377   bfd_boolean need_contents = FALSE;
 378   unsigned int dst_idx = esdid->pc;
 379
 380   for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1)
 381     {
 382       if (bits & shift)
 383         {
 384           int flag = *srcp++;
 385           int esdids = (flag >> 5) & 0x7;
 386           int sizeinwords = ((flag >> 3) & 1) ? 2 : 1;
 387           int offsetlen = flag & 0x7;
 388           int j;
 389
 390           if (esdids == 0)
 391             {
 392               /* A zero esdid means the new pc is the offset given.  */
 393               dst_idx += get_offset (offsetlen, srcp);
 394               srcp += offsetlen;
 395             }
 396           else
 397             {
 398               int val = get_offset (offsetlen, srcp + esdids);
 399
 400               if (pass == 1)
 401                 need_contents = TRUE;
 402               else if (contents)
 403                 for (j = 0; j < sizeinwords * 2; j++)
 404                   {
 405                     contents[dst_idx + (sizeinwords * 2) - j - 1] = val;
 406                     val >>= 8;
 407                   }
 408
 409               for (j = 0; j < esdids; j++)
 410                 {
 411                   int id = *srcp++;
 412
 413                   if (id)
 414                     {
 415                       int rn = EDATA (abfd, otr->esdid - 1).relocs++;
 416
 417                       if (pass == 1)
 418                         {
 419                           /* This is the first pass over the data,
 420                              just remember that we need a reloc.  */
 421                         }
 422                       else
 423                         {
 424                           arelent *n =
 425                           EDATA (abfd, otr->esdid - 1).section->relocation + rn;
 426                           n->address = dst_idx;
 427
 428                           n->sym_ptr_ptr = (asymbol **) (size_t) id;
 429                           n->addend = 0;
 430                           n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1);
 431                         }
 432                     }
 433                 }
 434               srcp += offsetlen;
 435               dst_idx += sizeinwords * 2;
 436             }
 437         }
 438       else
 439         {
 440           need_contents = TRUE;
 441
 442           if (esdid->section && contents && dst_idx < esdid->section->size)
 443             if (pass == 2)
 444               {
 445                 /* Absolute code, comes in 16 bit lumps.  */
 446                 contents[dst_idx] = srcp[0];
 447                 contents[dst_idx + 1] = srcp[1];
 448               }
 449
 450           dst_idx += 2;
 451           srcp += 2;
 452         }
 453     }
 454
 455   EDATA (abfd, otr->esdid - 1).pc = dst_idx;
 456
 457   if (!contents && need_contents)
 458     {
 459       if (esdid->section)
 460         {
 461           bfd_size_type size;
 462
 463           size = esdid->section->size;
 464           esdid->contents = bfd_alloc (abfd, size);
 465         }
 466       else
 467         esdid->contents = NULL;
 468     }
 469 }
 470
 471 static bfd_boolean
 472 versados_scan (bfd *abfd)
 473 {
 474   bfd_boolean loop = TRUE;
 475   int i;
 476   int j;
 477   int nsecs = 0;
 478   bfd_size_type amt;
 479
 480   VDATA (abfd)->stringlen = 0;
 481   VDATA (abfd)->nrefs = 0;
 482   VDATA (abfd)->ndefs = 0;
 483   VDATA (abfd)->ref_idx = 0;
 484   VDATA (abfd)->def_idx = 0;
 485   VDATA (abfd)->pass_2_done = 0;
 486
 487   while (loop)
 488     {
 489       union ext_any any;
 490
 491       if (!get_record (abfd, &any))
 492         return FALSE;
 493       switch (any.header.type)
 494         {
 495         case VHEADER:
 496           break;
 497         case VEND:
 498           loop = FALSE;
 499           break;
 500         case VESTDEF:
 501           process_esd (abfd, &any.esd, 1);
 502           break;
 503         case VOTR:
 504           process_otr (abfd, &any.otr, 1);
 505           break;
 506         }
 507     }
 508
 509   /* Now allocate space for the relocs and sections.  */
 510   VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx;
 511   VDATA (abfd)->ndefs = VDATA (abfd)->def_idx;
 512   VDATA (abfd)->ref_idx = 0;
 513   VDATA (abfd)->def_idx = 0;
 514
 515   abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs;
 516
 517   for (i = 0; i < 16; i++)
 518     {
 519       struct esdid *esdid = &EDATA (abfd, i);
 520
 521       if (esdid->section)
 522         {
 523           amt = (bfd_size_type) esdid->relocs * sizeof (arelent);
 524           esdid->section->relocation = bfd_alloc (abfd, amt);
 525           esdid->pc = 0;
 526
 527           if (esdid->contents)
 528             esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD;
 529
 530           esdid->section->reloc_count = esdid->relocs;
 531           if (esdid->relocs)
 532             esdid->section->flags |= SEC_RELOC;
 533
 534           esdid->relocs = 0;
 535
 536           /* Add an entry into the symbol table for it.  */
 537           nsecs++;
 538           VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1;
 539         }
 540     }
 541
 542   abfd->symcount += nsecs;
 543
 544   amt = abfd->symcount;
 545   amt *= sizeof (asymbol);
 546   VDATA (abfd)->symbols = bfd_alloc (abfd, amt);
 547
 548   amt = VDATA (abfd)->stringlen;
 549   VDATA (abfd)->strings = bfd_alloc (abfd, amt);
 550
 551   if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0)
 552       || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0))
 553     return FALSE;
 554
 555   /* Actually fill in the section symbols,
 556      we stick them at the end of the table.  */
 557   for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++)
 558     {
 559       struct esdid *esdid = &EDATA (abfd, i);
 560       asection *sec = esdid->section;
 561
 562       if (sec)
 563         {
 564           asymbol *s = VDATA (abfd)->symbols + j;
 565           s->name = new_symbol_string (abfd, sec->name);
 566           s->section = sec;
 567           s->flags = BSF_LOCAL;
 568           s->value = 0;
 569           s->the_bfd = abfd;
 570           j++;
 571         }
 572     }
 573
 574   if (abfd->symcount)
 575     abfd->flags |= HAS_SYMS;
 576
 577   /* Set this to nsecs - since we've already planted the section
 578      symbols.  */
 579   VDATA (abfd)->nsecsyms = nsecs;
 580
 581   VDATA (abfd)->ref_idx = 0;
 582
 583   return TRUE;
 584 }
 585
 586 /* Check whether an existing file is a versados  file.  */
 587
 588 static const bfd_target *
 589 versados_object_p (bfd *abfd)
 590 {
 591   struct ext_vheader ext;
 592   unsigned char len;
 593   tdata_type *tdata_save;
 594
 595   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
 596     return NULL;
 597
 598   if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1)
 599     {
 600       if (bfd_get_error () != bfd_error_system_call)
 601         bfd_set_error (bfd_error_wrong_format);
 602       return NULL;
 603     }
 604
 605   /* PR 17512: file: 726-2128-0.004.  */
 606   if (len < 13)
 607     {
 608       bfd_set_error (bfd_error_wrong_format);
 609       return NULL;
 610     }
 611
 612   if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len)
 613     {
 614       if (bfd_get_error () != bfd_error_system_call)
 615         bfd_set_error (bfd_error_wrong_format);
 616       return NULL;
 617     }
 618
 619   /* We guess that the language field will never be larger than 10.
 620      In sample files, it is always either 0 or 1.  Checking for this
 621      prevents confusion with Intel Hex files.  */
 622   if (ext.type != VHEADER
 623       || ext.lang > 10)
 624     {
 625       bfd_set_error (bfd_error_wrong_format);
 626       return NULL;
 627     }
 628
 629   /* OK, looks like a record, build the tdata and read in.  */
 630   tdata_save = abfd->tdata.versados_data;
 631   if (!versados_mkobject (abfd) || !versados_scan (abfd))
 632     {
 633       abfd->tdata.versados_data = tdata_save;
 634       return NULL;
 635     }
 636
 637   return abfd->xvec;
 638 }
 639
 640 static bfd_boolean
 641 versados_pass_2 (bfd *abfd)
 642 {
 643   union ext_any any;
 644
 645   if (VDATA (abfd)->pass_2_done)
 646     return 1;
 647
 648   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
 649     return 0;
 650
 651   VDATA (abfd)->es_done = ES_BASE;
 652
 653   /* Read records till we get to where we want to be.  */
 654   while (1)
 655     {
 656       get_record (abfd, &any);
 657       switch (any.header.type)
 658         {
 659         case VEND:
 660           VDATA (abfd)->pass_2_done = 1;
 661           return 1;
 662         case VESTDEF:
 663           process_esd (abfd, &any.esd, 2);
 664           break;
 665         case VOTR:
 666           process_otr (abfd, &any.otr, 2);
 667           break;
 668         }
 669     }
 670 }
 671
 672 static bfd_boolean
 673 versados_get_section_contents (bfd *abfd,
 674                                asection *section,
 675                                void * location,
 676                                file_ptr offset,
 677                                bfd_size_type count)
 678 {
 679   if (!versados_pass_2 (abfd))
 680     return FALSE;
 681
 682   memcpy (location,
 683           EDATA (abfd, section->target_index).contents + offset,
 684           (size_t) count);
 685
 686   return TRUE;
 687 }
 688
 689 #define versados_get_section_contents_in_window \
 690   _bfd_generic_get_section_contents_in_window
 691
 692 static bfd_boolean
 693 versados_set_section_contents (bfd *abfd ATTRIBUTE_UNUSED,
 694                                sec_ptr section ATTRIBUTE_UNUSED,
 695                                const void * location ATTRIBUTE_UNUSED,
 696                                file_ptr offset ATTRIBUTE_UNUSED,
 697                                bfd_size_type bytes_to_do ATTRIBUTE_UNUSED)
 698 {
 699   return FALSE;
 700 }
 701
 702 static int
 703 versados_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED,
 704                          struct bfd_link_info *info ATTRIBUTE_UNUSED)
 705 {
 706   return 0;
 707 }
 708
 709 /* Return the amount of memory needed to read the symbol table.  */
 710
 711 static long
 712 versados_get_symtab_upper_bound (bfd *abfd)
 713 {
 714   return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *);
 715 }
 716
 717 /* Return the symbol table.  */
 718
 719 static long
 720 versados_canonicalize_symtab (bfd *abfd, asymbol **alocation)
 721 {
 722   unsigned int symcount = bfd_get_symcount (abfd);
 723   unsigned int i;
 724   asymbol *s;
 725
 726   versados_pass_2 (abfd);
 727
 728   for (i = 0, s = VDATA (abfd)->symbols;
 729        i < symcount;
 730        s++, i++)
 731     *alocation++ = s;
 732
 733   *alocation = NULL;
 734
 735   return symcount;
 736 }
 737
 738 static void
 739 versados_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
 740                           asymbol *symbol,
 741                           symbol_info *ret)
 742 {
 743   bfd_symbol_info (symbol, ret);
 744 }
 745
 746 static void
 747 versados_print_symbol (bfd *abfd,
 748                        void * afile,
 749                        asymbol *symbol,
 750                        bfd_print_symbol_type how)
 751 {
 752   FILE *file = (FILE *) afile;
 753
 754   switch (how)
 755     {
 756     case bfd_print_symbol_name:
 757       fprintf (file, "%s", symbol->name);
 758       break;
 759     default:
 760       bfd_print_symbol_vandf (abfd, (void *) file, symbol);
 761       fprintf (file, " %-5s %s",
 762                symbol->section->name,
 763                symbol->name);
 764     }
 765 }
 766
 767 static long
 768 versados_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED,
 769                                 sec_ptr asect)
 770 {
 771   return (asect->reloc_count + 1) * sizeof (arelent *);
 772 }
 773
 774 static long
 775 versados_canonicalize_reloc (bfd *abfd,
 776                              sec_ptr section,
 777                              arelent **relptr,
 778                              asymbol **symbols)
 779 {
 780   unsigned int count;
 781   arelent *src;
 782
 783   versados_pass_2 (abfd);
 784   src = section->relocation;
 785
 786   if (!EDATA (abfd, section->target_index).donerel)
 787     {
 788       EDATA (abfd, section->target_index).donerel = 1;
 789       /* Translate from indexes to symptr ptrs.  */
 790       for (count = 0; count < section->reloc_count; count++)
 791         {
 792           int esdid = (int) (size_t) src[count].sym_ptr_ptr;
 793
 794           if (esdid == 0)
 795             src[count].sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
 796           else if (esdid < ES_BASE)
 797             {
 798               /* Section relative thing.  */
 799               struct esdid *e = &EDATA (abfd, esdid - 1);
 800
 801               src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr;
 802             }
 803           /* PR 17512: file:3757-2936-0.004.  */
 804           else if ((unsigned) (esdid - ES_BASE) >= bfd_get_symcount (abfd))
 805             src[count].sym_ptr_ptr = bfd_und_section_ptr->symbol_ptr_ptr;
 806           else
 807             src[count].sym_ptr_ptr = symbols + esdid - ES_BASE;
 808         }
 809     }
 810
 811   for (count = 0; count < section->reloc_count; count++)
 812     *relptr++ = src++;
 813
 814   *relptr = 0;
 815   return section->reloc_count;
 816 }
 817
 818 #define versados_close_and_cleanup                    _bfd_generic_close_and_cleanup
 819 #define versados_bfd_free_cached_info                 _bfd_generic_bfd_free_cached_info
 820 #define versados_new_section_hook                     _bfd_generic_new_section_hook
 821 #define versados_bfd_is_target_special_symbol   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 822 #define versados_bfd_is_local_label_name              bfd_generic_is_local_label_name
 823 #define versados_get_lineno                           _bfd_nosymbols_get_lineno
 824 #define versados_find_nearest_line                    _bfd_nosymbols_find_nearest_line
 825 #define versados_find_line                            _bfd_nosymbols_find_line
 826 #define versados_find_inliner_info                    _bfd_nosymbols_find_inliner_info
 827 #define versados_get_symbol_version_string            _bfd_nosymbols_get_symbol_version_string
 828 #define versados_make_empty_symbol                    _bfd_generic_make_empty_symbol
 829 #define versados_bfd_make_debug_symbol                _bfd_nosymbols_bfd_make_debug_symbol
 830 #define versados_read_minisymbols                     _bfd_generic_read_minisymbols
 831 #define versados_minisymbol_to_symbol                 _bfd_generic_minisymbol_to_symbol
 832 #define versados_bfd_reloc_type_lookup                _bfd_norelocs_bfd_reloc_type_lookup
 833 #define versados_bfd_reloc_name_lookup          _bfd_norelocs_bfd_reloc_name_lookup
 834 #define versados_set_arch_mach                        bfd_default_set_arch_mach
 835 #define versados_bfd_get_relocated_section_contents   bfd_generic_get_relocated_section_contents
 836 #define versados_bfd_relax_section                    bfd_generic_relax_section
 837 #define versados_bfd_gc_sections                      bfd_generic_gc_sections
 838 #define versados_bfd_lookup_section_flags             bfd_generic_lookup_section_flags
 839 #define versados_bfd_merge_sections                   bfd_generic_merge_sections
 840 #define versados_bfd_is_group_section                 bfd_generic_is_group_section
 841 #define versados_bfd_discard_group                    bfd_generic_discard_group
 842 #define versados_section_already_linked               _bfd_generic_section_already_linked
 843 #define versados_bfd_define_common_symbol             bfd_generic_define_common_symbol
 844 #define versados_bfd_link_hash_table_create           _bfd_generic_link_hash_table_create
 845 #define versados_bfd_link_add_symbols                 _bfd_generic_link_add_symbols
 846 #define versados_bfd_link_just_syms                   _bfd_generic_link_just_syms
 847 #define versados_bfd_copy_link_hash_symbol_type \
 848   _bfd_generic_copy_link_hash_symbol_type
 849 #define versados_bfd_final_link                       _bfd_generic_final_link
 850 #define versados_bfd_link_split_section               _bfd_generic_link_split_section
 851
 852 const bfd_target m68k_versados_vec =
 853 {
 854   "versados",                   /* Name.  */
 855   bfd_target_versados_flavour,
 856   BFD_ENDIAN_BIG,               /* Target byte order.  */
 857   BFD_ENDIAN_BIG,               /* Target headers byte order.  */
 858   (HAS_RELOC | EXEC_P |         /* Object flags.  */
 859    HAS_LINENO | HAS_DEBUG |
 860    HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
 861   (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
 862    | SEC_ALLOC | SEC_LOAD | SEC_RELOC),         /* Section flags.  */
 863   0,                            /* Leading underscore.  */
 864   ' ',                          /* AR_pad_char.  */
 865   16,                           /* AR_max_namelen.  */
 866   0,                            /* match priority.  */
 867   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 868   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 869   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* Data.  */
 870   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 871   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 872   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* Headers.  */
 873
 874   {
 875     _bfd_dummy_target,
 876     versados_object_p,          /* bfd_check_format.  */
 877     _bfd_dummy_target,
 878     _bfd_dummy_target,
 879   },
 880   {
 881     bfd_false,
 882     versados_mkobject,
 883     _bfd_generic_mkarchive,
 884     bfd_false,
 885   },
 886   {                             /* bfd_write_contents.  */
 887     bfd_false,
 888     bfd_false,
 889     _bfd_write_archive_contents,
 890     bfd_false,
 891   },
 892
 893   BFD_JUMP_TABLE_GENERIC (versados),
 894   BFD_JUMP_TABLE_COPY (_bfd_generic),
 895   BFD_JUMP_TABLE_CORE (_bfd_nocore),
 896   BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
 897   BFD_JUMP_TABLE_SYMBOLS (versados),
 898   BFD_JUMP_TABLE_RELOCS (versados),
 899   BFD_JUMP_TABLE_WRITE (versados),
 900   BFD_JUMP_TABLE_LINK (versados),
 901   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 902
 903   NULL,
 904
 905   NULL
 906 };