bfd/versados.c

   1 /* BFD back-end for VERSAdos-E objects.
   2    Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
   3    Free Software Foundation, Inc.
   4    Written by Steve Chamberlain of Cygnus Support <sac@cygnus.com>.
   5
   6    Versados is a Motorola trademark.
   7
   8    This file is part of BFD, the Binary File Descriptor library.
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 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 "bfd.h"
  41 #include "sysdep.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])
  89 #define RDATA(abfd, n)    (abfd->tdata.versados_data->rest[n])
  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 int
 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 0;
 191   return 1;
 192 }
 193
 194 static int
 195 get_4 (unsigned char **pp)
 196 {
 197   unsigned char *p = *pp;
 198
 199   *pp += 4;
 200   return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0);
 201 }
 202
 203 static void
 204 get_10 (unsigned char **pp, char *name)
 205 {
 206   char *p = (char *) *pp;
 207   int len = 10;
 208
 209   *pp += len;
 210   while (*p != ' ' && len)
 211     {
 212       *name++ = *p++;
 213       len--;
 214     }
 215   *name = 0;
 216 }
 217
 218 static char *
 219 new_symbol_string (bfd *abfd, const char *name)
 220 {
 221   char *n = VDATA (abfd)->strings;
 222
 223   strcpy (VDATA (abfd)->strings, name);
 224   VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1;
 225   return n;
 226 }
 227
 228 static void
 229 process_esd (bfd *abfd, struct ext_esd *esd, int pass)
 230 {
 231   /* Read through the ext def for the est entries.  */
 232   int togo = esd->size - 2;
 233   bfd_vma size;
 234   bfd_vma start;
 235   asection *sec;
 236   char name[11];
 237   unsigned char *ptr = esd->esd_entries;
 238   unsigned char *end = ptr + togo;
 239
 240   while (ptr < end)
 241     {
 242       int scn = *ptr & 0xf;
 243       int typ = (*ptr >> 4) & 0xf;
 244
 245       /* Declare this section.  */
 246       sprintf (name, "%d", scn);
 247       sec = bfd_make_section_old_way (abfd, strdup (name));
 248       sec->target_index = scn;
 249       EDATA (abfd, scn).section = sec;
 250       ptr++;
 251
 252       switch (typ)
 253         {
 254         default:
 255           abort ();
 256         case ESD_XREF_SEC:
 257         case ESD_XREF_SYM:
 258           {
 259             int snum = VDATA (abfd)->ref_idx++;
 260             get_10 (&ptr, name);
 261             if (pass == 1)
 262               VDATA (abfd)->stringlen += strlen (name) + 1;
 263             else
 264               {
 265                 int esidx;
 266                 asymbol *s;
 267                 char *n = new_symbol_string (abfd, name);
 268
 269                 s = versados_new_symbol (abfd, snum, n, (bfd_vma) 0,
 270                                          bfd_und_section_ptr);
 271                 esidx = VDATA (abfd)->es_done++;
 272                 RDATA (abfd, esidx - ES_BASE) = s;
 273               }
 274           }
 275           break;
 276
 277         case ESD_ABS:
 278           size = get_4 (&ptr);
 279           start = get_4 (&ptr);
 280           break;
 281         case ESD_STD_REL_SEC:
 282         case ESD_SHRT_REL_SEC:
 283           sec->size = get_4 (&ptr);
 284           sec->flags |= SEC_ALLOC;
 285           break;
 286         case ESD_XDEF_IN_ABS:
 287           sec = (asection *) & bfd_abs_section;
 288         case ESD_XDEF_IN_SEC:
 289           {
 290             int snum = VDATA (abfd)->def_idx++;
 291             bfd_vma val;
 292
 293             get_10 (&ptr, name);
 294             val = get_4 (&ptr);
 295             if (pass == 1)
 296               /* Just remember the symbol.  */
 297               VDATA (abfd)->stringlen += strlen (name) + 1;
 298             else
 299               {
 300                 asymbol *s;
 301                 char *n = new_symbol_string (abfd, name);
 302
 303                 s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n,
 304                                          val, sec);
 305                 s->flags |= BSF_GLOBAL;
 306               }
 307           }
 308           break;
 309         }
 310     }
 311 }
 312
 313 #define R_RELWORD     1
 314 #define R_RELLONG     2
 315 #define R_RELWORD_NEG 3
 316 #define R_RELLONG_NEG 4
 317
 318 reloc_howto_type versados_howto_table[] =
 319 {
 320   HOWTO (R_RELWORD, 0, 1, 16, FALSE,
 321          0, complain_overflow_dont, 0,
 322          "+v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
 323   HOWTO (R_RELLONG, 0, 2, 32, FALSE,
 324          0, complain_overflow_dont, 0,
 325          "+v32", TRUE, 0xffffffff, 0xffffffff, FALSE),
 326
 327   HOWTO (R_RELWORD_NEG, 0, -1, 16, FALSE,
 328          0, complain_overflow_dont, 0,
 329          "-v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
 330   HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE,
 331          0, complain_overflow_dont, 0,
 332          "-v32", TRUE, 0xffffffff, 0xffffffff, FALSE),
 333 };
 334
 335 static int
 336 get_offset (int len, unsigned char *ptr)
 337 {
 338   int val = 0;
 339
 340   if (len)
 341     {
 342       int i;
 343
 344       val = *ptr++;
 345       if (val & 0x80)
 346         val |= ~0xff;
 347       for (i = 1; i < len; i++)
 348         val = (val << 8) | *ptr++;
 349     }
 350
 351   return val;
 352 }
 353
 354 static void
 355 process_otr (bfd *abfd, struct ext_otr *otr, int pass)
 356 {
 357   unsigned long shift;
 358   unsigned char *srcp = otr->data;
 359   unsigned char *endp = (unsigned char *) otr + otr->size;
 360   unsigned int bits = (otr->map[0] << 24)
 361   | (otr->map[1] << 16)
 362   | (otr->map[2] << 8)
 363   | (otr->map[3] << 0);
 364
 365   struct esdid *esdid = &EDATA (abfd, otr->esdid - 1);
 366   unsigned char *contents = esdid->contents;
 367   int need_contents = 0;
 368   unsigned int dst_idx = esdid->pc;
 369
 370   for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1)
 371     {
 372       if (bits & shift)
 373         {
 374           int flag = *srcp++;
 375           int esdids = (flag >> 5) & 0x7;
 376           int sizeinwords = ((flag >> 3) & 1) ? 2 : 1;
 377           int offsetlen = flag & 0x7;
 378           int j;
 379
 380           if (esdids == 0)
 381             {
 382               /* A zero esdid means the new pc is the offset given.  */
 383               dst_idx += get_offset (offsetlen, srcp);
 384               srcp += offsetlen;
 385             }
 386           else
 387             {
 388               int val = get_offset (offsetlen, srcp + esdids);
 389
 390               if (pass == 1)
 391                 need_contents = 1;
 392               else
 393                 for (j = 0; j < sizeinwords * 2; j++)
 394                   {
 395                     contents[dst_idx + (sizeinwords * 2) - j - 1] = val;
 396                     val >>= 8;
 397                   }
 398
 399               for (j = 0; j < esdids; j++)
 400                 {
 401                   int esdid = *srcp++;
 402
 403                   if (esdid)
 404                     {
 405                       int rn = EDATA (abfd, otr->esdid - 1).relocs++;
 406
 407                       if (pass == 1)
 408                         {
 409                           /* This is the first pass over the data,
 410                              just remember that we need a reloc.  */
 411                         }
 412                       else
 413                         {
 414                           arelent *n =
 415                           EDATA (abfd, otr->esdid - 1).section->relocation + rn;
 416                           n->address = dst_idx;
 417
 418                           n->sym_ptr_ptr = (asymbol **) (size_t) esdid;
 419                           n->addend = 0;
 420                           n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1);
 421                         }
 422                     }
 423                 }
 424               srcp += offsetlen;
 425               dst_idx += sizeinwords * 2;
 426             }
 427         }
 428       else
 429         {
 430           need_contents = 1;
 431           if (dst_idx < esdid->section->size)
 432             if (pass == 2)
 433               {
 434                 /* Absolute code, comes in 16 bit lumps.  */
 435                 contents[dst_idx] = srcp[0];
 436                 contents[dst_idx + 1] = srcp[1];
 437               }
 438           dst_idx += 2;
 439           srcp += 2;
 440         }
 441     }
 442   EDATA (abfd, otr->esdid - 1).pc = dst_idx;
 443
 444   if (!contents && need_contents)
 445     {
 446       bfd_size_type size = esdid->section->size;
 447       esdid->contents = bfd_alloc (abfd, size);
 448     }
 449 }
 450
 451 static bfd_boolean
 452 versados_scan (bfd *abfd)
 453 {
 454   int loop = 1;
 455   int i;
 456   int j;
 457   int nsecs = 0;
 458   bfd_size_type amt;
 459
 460   VDATA (abfd)->stringlen = 0;
 461   VDATA (abfd)->nrefs = 0;
 462   VDATA (abfd)->ndefs = 0;
 463   VDATA (abfd)->ref_idx = 0;
 464   VDATA (abfd)->def_idx = 0;
 465   VDATA (abfd)->pass_2_done = 0;
 466
 467   while (loop)
 468     {
 469       union ext_any any;
 470
 471       if (!get_record (abfd, &any))
 472         return TRUE;
 473       switch (any.header.type)
 474         {
 475         case VHEADER:
 476           break;
 477         case VEND:
 478           loop = 0;
 479           break;
 480         case VESTDEF:
 481           process_esd (abfd, &any.esd, 1);
 482           break;
 483         case VOTR:
 484           process_otr (abfd, &any.otr, 1);
 485           break;
 486         }
 487     }
 488
 489   /* Now allocate space for the relocs and sections.  */
 490   VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx;
 491   VDATA (abfd)->ndefs = VDATA (abfd)->def_idx;
 492   VDATA (abfd)->ref_idx = 0;
 493   VDATA (abfd)->def_idx = 0;
 494
 495   abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs;
 496
 497   for (i = 0; i < 16; i++)
 498     {
 499       struct esdid *esdid = &EDATA (abfd, i);
 500
 501       if (esdid->section)
 502         {
 503           amt = (bfd_size_type) esdid->relocs * sizeof (arelent);
 504           esdid->section->relocation = bfd_alloc (abfd, amt);
 505
 506           esdid->pc = 0;
 507
 508           if (esdid->contents)
 509             esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD;
 510
 511           esdid->section->reloc_count = esdid->relocs;
 512           if (esdid->relocs)
 513             esdid->section->flags |= SEC_RELOC;
 514
 515           esdid->relocs = 0;
 516
 517           /* Add an entry into the symbol table for it.  */
 518           nsecs++;
 519           VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1;
 520         }
 521     }
 522
 523   abfd->symcount += nsecs;
 524
 525   amt = abfd->symcount;
 526   amt *= sizeof (asymbol);
 527   VDATA (abfd)->symbols = bfd_alloc (abfd, amt);
 528
 529   amt = VDATA (abfd)->stringlen;
 530   VDATA (abfd)->strings = bfd_alloc (abfd, amt);
 531
 532   if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0)
 533       || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0))
 534     return FALSE;
 535
 536   /* Actually fill in the section symbols,
 537      we stick them at the end of the table.  */
 538   for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++)
 539     {
 540       struct esdid *esdid = &EDATA (abfd, i);
 541       asection *sec = esdid->section;
 542
 543       if (sec)
 544         {
 545           asymbol *s = VDATA (abfd)->symbols + j;
 546           s->name = new_symbol_string (abfd, sec->name);
 547           s->section = sec;
 548           s->flags = BSF_LOCAL;
 549           s->value = 0;
 550           s->the_bfd = abfd;
 551           j++;
 552         }
 553     }
 554
 555   if (abfd->symcount)
 556     abfd->flags |= HAS_SYMS;
 557
 558   /* Set this to nsecs - since we've already planted the section
 559      symbols.  */
 560   VDATA (abfd)->nsecsyms = nsecs;
 561
 562   VDATA (abfd)->ref_idx = 0;
 563
 564   return 1;
 565 }
 566
 567 /* Check whether an existing file is a versados  file.  */
 568
 569 static const bfd_target *
 570 versados_object_p (bfd *abfd)
 571 {
 572   struct ext_vheader ext;
 573   unsigned char len;
 574   tdata_type *tdata_save;
 575
 576   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
 577     return NULL;
 578
 579   if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1)
 580     {
 581       if (bfd_get_error () != bfd_error_system_call)
 582         bfd_set_error (bfd_error_wrong_format);
 583       return NULL;
 584     }
 585
 586   if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len)
 587     {
 588       if (bfd_get_error () != bfd_error_system_call)
 589         bfd_set_error (bfd_error_wrong_format);
 590       return NULL;
 591     }
 592
 593   /* We guess that the language field will never be larger than 10.
 594      In sample files, it is always either 0 or 1.  Checking for this
 595      prevents confusion with Intel Hex files.  */
 596   if (ext.type != VHEADER
 597       || ext.lang > 10)
 598     {
 599       bfd_set_error (bfd_error_wrong_format);
 600       return NULL;
 601     }
 602
 603   /* OK, looks like a record, build the tdata and read in.  */
 604   tdata_save = abfd->tdata.versados_data;
 605   if (!versados_mkobject (abfd) || !versados_scan (abfd))
 606     {
 607       abfd->tdata.versados_data = tdata_save;
 608       return NULL;
 609     }
 610
 611   return abfd->xvec;
 612 }
 613
 614 static bfd_boolean
 615 versados_pass_2 (bfd *abfd)
 616 {
 617   union ext_any any;
 618
 619   if (VDATA (abfd)->pass_2_done)
 620     return 1;
 621
 622   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
 623     return 0;
 624
 625   VDATA (abfd)->es_done = ES_BASE;
 626
 627   /* Read records till we get to where we want to be.  */
 628   while (1)
 629     {
 630       get_record (abfd, &any);
 631       switch (any.header.type)
 632         {
 633         case VEND:
 634           VDATA (abfd)->pass_2_done = 1;
 635           return 1;
 636         case VESTDEF:
 637           process_esd (abfd, &any.esd, 2);
 638           break;
 639         case VOTR:
 640           process_otr (abfd, &any.otr, 2);
 641           break;
 642         }
 643     }
 644 }
 645
 646 static bfd_boolean
 647 versados_get_section_contents (bfd *abfd,
 648                                asection *section,
 649                                void * location,
 650                                file_ptr offset,
 651                                bfd_size_type count)
 652 {
 653   if (!versados_pass_2 (abfd))
 654     return FALSE;
 655
 656   memcpy (location,
 657           EDATA (abfd, section->target_index).contents + offset,
 658           (size_t) count);
 659
 660   return TRUE;
 661 }
 662
 663 #define versados_get_section_contents_in_window \
 664   _bfd_generic_get_section_contents_in_window
 665
 666 static bfd_boolean
 667 versados_set_section_contents (bfd *abfd ATTRIBUTE_UNUSED,
 668                                sec_ptr section ATTRIBUTE_UNUSED,
 669                                const void * location ATTRIBUTE_UNUSED,
 670                                file_ptr offset ATTRIBUTE_UNUSED,
 671                                bfd_size_type bytes_to_do ATTRIBUTE_UNUSED)
 672 {
 673   return FALSE;
 674 }
 675
 676 static int
 677 versados_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED,
 678                          bfd_boolean exec ATTRIBUTE_UNUSED)
 679 {
 680   return 0;
 681 }
 682
 683 /* Return the amount of memory needed to read the symbol table.  */
 684
 685 static long
 686 versados_get_symtab_upper_bound (bfd *abfd)
 687 {
 688   return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *);
 689 }
 690
 691 /* Return the symbol table.  */
 692
 693 static long
 694 versados_canonicalize_symtab (bfd *abfd, asymbol **alocation)
 695 {
 696   unsigned int symcount = bfd_get_symcount (abfd);
 697   unsigned int i;
 698   asymbol *s;
 699
 700   versados_pass_2 (abfd);
 701
 702   for (i = 0, s = VDATA (abfd)->symbols;
 703        i < symcount;
 704        s++, i++)
 705     *alocation++ = s;
 706
 707   *alocation = NULL;
 708
 709   return symcount;
 710 }
 711
 712 static void
 713 versados_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
 714                           asymbol *symbol,
 715                           symbol_info *ret)
 716 {
 717   bfd_symbol_info (symbol, ret);
 718 }
 719
 720 static void
 721 versados_print_symbol (bfd *abfd,
 722                        void * afile,
 723                        asymbol *symbol,
 724                        bfd_print_symbol_type how)
 725 {
 726   FILE *file = (FILE *) afile;
 727
 728   switch (how)
 729     {
 730     case bfd_print_symbol_name:
 731       fprintf (file, "%s", symbol->name);
 732       break;
 733     default:
 734       bfd_print_symbol_vandf (abfd, (void *) file, symbol);
 735       fprintf (file, " %-5s %s",
 736                symbol->section->name,
 737                symbol->name);
 738     }
 739 }
 740
 741 static long
 742 versados_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED,
 743                                 sec_ptr asect)
 744 {
 745   return (asect->reloc_count + 1) * sizeof (arelent *);
 746 }
 747
 748 static long
 749 versados_canonicalize_reloc (bfd *abfd,
 750                              sec_ptr section,
 751                              arelent **relptr,
 752                              asymbol **symbols)
 753 {
 754   unsigned int count;
 755   arelent *src;
 756
 757   versados_pass_2 (abfd);
 758   src = section->relocation;
 759   if (!EDATA (abfd, section->target_index).donerel)
 760     {
 761       EDATA (abfd, section->target_index).donerel = 1;
 762       /* Translate from indexes to symptr ptrs.  */
 763       for (count = 0; count < section->reloc_count; count++)
 764         {
 765           int esdid = (int) (size_t) src[count].sym_ptr_ptr;
 766
 767           if (esdid == 0)
 768             src[count].sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
 769           else if (esdid < ES_BASE)
 770             {
 771               /* Section relative thing.  */
 772               struct esdid *e = &EDATA (abfd, esdid - 1);
 773
 774               src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr;
 775             }
 776           else
 777             src[count].sym_ptr_ptr = symbols + esdid - ES_BASE;
 778         }
 779     }
 780
 781   for (count = 0; count < section->reloc_count; count++)
 782     *relptr++ = src++;
 783
 784   *relptr = 0;
 785   return section->reloc_count;
 786 }
 787
 788 #define versados_close_and_cleanup                    _bfd_generic_close_and_cleanup
 789 #define versados_bfd_free_cached_info                 _bfd_generic_bfd_free_cached_info
 790 #define versados_new_section_hook                     _bfd_generic_new_section_hook
 791 #define versados_bfd_is_target_special_symbol   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 792 #define versados_bfd_is_local_label_name              bfd_generic_is_local_label_name
 793 #define versados_get_lineno                           _bfd_nosymbols_get_lineno
 794 #define versados_find_nearest_line                    _bfd_nosymbols_find_nearest_line
 795 #define versados_find_inliner_info                    _bfd_nosymbols_find_inliner_info
 796 #define versados_make_empty_symbol                    _bfd_generic_make_empty_symbol
 797 #define versados_bfd_make_debug_symbol                _bfd_nosymbols_bfd_make_debug_symbol
 798 #define versados_read_minisymbols                     _bfd_generic_read_minisymbols
 799 #define versados_minisymbol_to_symbol                 _bfd_generic_minisymbol_to_symbol
 800 #define versados_bfd_reloc_type_lookup                _bfd_norelocs_bfd_reloc_type_lookup
 801 #define versados_set_arch_mach                        bfd_default_set_arch_mach
 802 #define versados_bfd_get_relocated_section_contents   bfd_generic_get_relocated_section_contents
 803 #define versados_bfd_relax_section                    bfd_generic_relax_section
 804 #define versados_bfd_gc_sections                      bfd_generic_gc_sections
 805 #define versados_bfd_merge_sections                   bfd_generic_merge_sections
 806 #define versados_bfd_is_group_section                 bfd_generic_is_group_section
 807 #define versados_bfd_discard_group                    bfd_generic_discard_group
 808 #define versados_section_already_linked               _bfd_generic_section_already_linked
 809 #define versados_bfd_link_hash_table_create           _bfd_generic_link_hash_table_create
 810 #define versados_bfd_link_hash_table_free             _bfd_generic_link_hash_table_free
 811 #define versados_bfd_link_add_symbols                 _bfd_generic_link_add_symbols
 812 #define versados_bfd_link_just_syms                   _bfd_generic_link_just_syms
 813 #define versados_bfd_final_link                       _bfd_generic_final_link
 814 #define versados_bfd_link_split_section               _bfd_generic_link_split_section
 815
 816 const bfd_target versados_vec =
 817 {
 818   "versados",                   /* Name.  */
 819   bfd_target_versados_flavour,
 820   BFD_ENDIAN_BIG,               /* Target byte order.  */
 821   BFD_ENDIAN_BIG,               /* Target headers byte order.  */
 822   (HAS_RELOC | EXEC_P |         /* Object flags.  */
 823    HAS_LINENO | HAS_DEBUG |
 824    HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
 825   (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
 826    | SEC_ALLOC | SEC_LOAD | SEC_RELOC),         /* Section flags.  */
 827   0,                            /* Leading underscore.  */
 828   ' ',                          /* AR_pad_char.  */
 829   16,                           /* AR_max_namelen.  */
 830   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 831   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 832   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* Data.  */
 833   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 834   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 835   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* Headers.  */
 836
 837   {
 838     _bfd_dummy_target,
 839     versados_object_p,          /* bfd_check_format.  */
 840     _bfd_dummy_target,
 841     _bfd_dummy_target,
 842   },
 843   {
 844     bfd_false,
 845     versados_mkobject,
 846     _bfd_generic_mkarchive,
 847     bfd_false,
 848   },
 849   {                             /* bfd_write_contents.  */
 850     bfd_false,
 851     bfd_false,
 852     _bfd_write_archive_contents,
 853     bfd_false,
 854   },
 855
 856   BFD_JUMP_TABLE_GENERIC (versados),
 857   BFD_JUMP_TABLE_COPY (_bfd_generic),
 858   BFD_JUMP_TABLE_CORE (_bfd_nocore),
 859   BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
 860   BFD_JUMP_TABLE_SYMBOLS (versados),
 861   BFD_JUMP_TABLE_RELOCS (versados),
 862   BFD_JUMP_TABLE_WRITE (versados),
 863   BFD_JUMP_TABLE_LINK (versados),
 864   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 865
 866   NULL,
 867
 868   NULL
 869 };