bfd/versados.c

   1 /* BFD back-end for VERSAdos-E objects.
   2    Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
   3    2006, 2007, 2009, 2010, 2011 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 3 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,
  23    MA 02110-1301, USA.  */
  24
  25 /*
  26    SUBSECTION
  27    VERSAdos-E relocatable object file format
  28
  29    DESCRIPTION
  30
  31    This module supports reading of VERSAdos relocatable
  32    object files.
  33
  34    A VERSAdos file looks like contains
  35
  36    o Identification Record
  37    o External Symbol Definition Record
  38    o Object Text Record
  39    o End Record.  */
  40
  41 #include "sysdep.h"
  42 #include "bfd.h"
  43 #include "libbfd.h"
  44 #include "libiberty.h"
  45
  46
  47 #define VHEADER '1'
  48 #define VESTDEF '2'
  49 #define VOTR '3'
  50 #define VEND '4'
  51
  52 #define ES_BASE 17              /* First symbol has esdid 17.  */
  53
  54 /* Per file target dependent information.  */
  55
  56 /* One for each section.  */
  57 struct esdid
  58 {
  59   asection *section;            /* Ptr to bfd version.  */
  60   unsigned char *contents;      /* Used to build image.  */
  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])
  90 #define RDATA(abfd, n)    (abfd->tdata.versados_data->rest[n])
  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 int
 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 0;
 192   return 1;
 193 }
 194
 195 static int
 196 get_4 (unsigned char **pp)
 197 {
 198   unsigned char *p = *pp;
 199
 200   *pp += 4;
 201   return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0);
 202 }
 203
 204 static void
 205 get_10 (unsigned char **pp, char *name)
 206 {
 207   char *p = (char *) *pp;
 208   int len = 10;
 209
 210   *pp += len;
 211   while (*p != ' ' && len)
 212     {
 213       *name++ = *p++;
 214       len--;
 215     }
 216   *name = 0;
 217 }
 218
 219 static char *
 220 new_symbol_string (bfd *abfd, const char *name)
 221 {
 222   char *n = VDATA (abfd)->strings;
 223
 224   strcpy (VDATA (abfd)->strings, name);
 225   VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1;
 226   return n;
 227 }
 228
 229 static void
 230 process_esd (bfd *abfd, struct ext_esd *esd, int pass)
 231 {
 232   /* Read through the ext def for the est entries.  */
 233   int togo = esd->size - 2;
 234   bfd_vma size;
 235   bfd_vma start;
 236   asection *sec;
 237   char name[11];
 238   unsigned char *ptr = esd->esd_entries;
 239   unsigned char *end = ptr + togo;
 240
 241   while (ptr < end)
 242     {
 243       int scn = *ptr & 0xf;
 244       int typ = (*ptr >> 4) & 0xf;
 245
 246       /* Declare this section.  */
 247       sprintf (name, "%d", scn);
 248       sec = bfd_make_section_old_way (abfd, strdup (name));
 249       sec->target_index = scn;
 250       EDATA (abfd, scn).section = sec;
 251       ptr++;
 252
 253       switch (typ)
 254         {
 255         default:
 256           abort ();
 257         case ESD_XREF_SEC:
 258         case ESD_XREF_SYM:
 259           {
 260             int snum = VDATA (abfd)->ref_idx++;
 261             get_10 (&ptr, name);
 262             if (pass == 1)
 263               VDATA (abfd)->stringlen += strlen (name) + 1;
 264             else
 265               {
 266                 int esidx;
 267                 asymbol *s;
 268                 char *n = new_symbol_string (abfd, name);
 269
 270                 s = versados_new_symbol (abfd, snum, n, (bfd_vma) 0,
 271                                          bfd_und_section_ptr);
 272                 esidx = VDATA (abfd)->es_done++;
 273                 RDATA (abfd, esidx - ES_BASE) = s;
 274               }
 275           }
 276           break;
 277
 278         case ESD_ABS:
 279           size = get_4 (&ptr);
 280           (void) size;
 281           start = get_4 (&ptr);
 282           (void) start;
 283           break;
 284         case ESD_STD_REL_SEC:
 285         case ESD_SHRT_REL_SEC:
 286           sec->size = get_4 (&ptr);
 287           sec->flags |= SEC_ALLOC;
 288           break;
 289         case ESD_XDEF_IN_ABS:
 290           sec = (asection *) & bfd_abs_section;
 291         case ESD_XDEF_IN_SEC:
 292           {
 293             int snum = VDATA (abfd)->def_idx++;
 294             bfd_vma val;
 295
 296             get_10 (&ptr, name);
 297             val = get_4 (&ptr);
 298             if (pass == 1)
 299               /* Just remember the symbol.  */
 300               VDATA (abfd)->stringlen += strlen (name) + 1;
 301             else
 302               {
 303                 asymbol *s;
 304                 char *n = new_symbol_string (abfd, name);
 305
 306                 s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n,
 307                                          val, sec);
 308                 s->flags |= BSF_GLOBAL;
 309               }
 310           }
 311           break;
 312         }
 313     }
 314 }
 315
 316 #define R_RELWORD     1
 317 #define R_RELLONG     2
 318 #define R_RELWORD_NEG 3
 319 #define R_RELLONG_NEG 4
 320
 321 reloc_howto_type versados_howto_table[] =
 322 {
 323   HOWTO (R_RELWORD, 0, 1, 16, FALSE,
 324          0, complain_overflow_dont, 0,
 325          "+v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
 326   HOWTO (R_RELLONG, 0, 2, 32, FALSE,
 327          0, complain_overflow_dont, 0,
 328          "+v32", TRUE, 0xffffffff, 0xffffffff, FALSE),
 329
 330   HOWTO (R_RELWORD_NEG, 0, -1, 16, FALSE,
 331          0, complain_overflow_dont, 0,
 332          "-v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
 333   HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE,
 334          0, complain_overflow_dont, 0,
 335          "-v32", TRUE, 0xffffffff, 0xffffffff, FALSE),
 336 };
 337
 338 static int
 339 get_offset (int len, unsigned char *ptr)
 340 {
 341   int val = 0;
 342
 343   if (len)
 344     {
 345       int i;
 346
 347       val = *ptr++;
 348       if (val & 0x80)
 349         val |= ~0xff;
 350       for (i = 1; i < len; i++)
 351         val = (val << 8) | *ptr++;
 352     }
 353
 354   return val;
 355 }
 356
 357 static void
 358 process_otr (bfd *abfd, struct ext_otr *otr, int pass)
 359 {
 360   unsigned long shift;
 361   unsigned char *srcp = otr->data;
 362   unsigned char *endp = (unsigned char *) otr + otr->size;
 363   unsigned int bits = (otr->map[0] << 24)
 364   | (otr->map[1] << 16)
 365   | (otr->map[2] << 8)
 366   | (otr->map[3] << 0);
 367
 368   struct esdid *esdid = &EDATA (abfd, otr->esdid - 1);
 369   unsigned char *contents = esdid->contents;
 370   int need_contents = 0;
 371   unsigned int dst_idx = esdid->pc;
 372
 373   for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1)
 374     {
 375       if (bits & shift)
 376         {
 377           int flag = *srcp++;
 378           int esdids = (flag >> 5) & 0x7;
 379           int sizeinwords = ((flag >> 3) & 1) ? 2 : 1;
 380           int offsetlen = flag & 0x7;
 381           int j;
 382
 383           if (esdids == 0)
 384             {
 385               /* A zero esdid means the new pc is the offset given.  */
 386               dst_idx += get_offset (offsetlen, srcp);
 387               srcp += offsetlen;
 388             }
 389           else
 390             {
 391               int val = get_offset (offsetlen, srcp + esdids);
 392
 393               if (pass == 1)
 394                 need_contents = 1;
 395               else
 396                 for (j = 0; j < sizeinwords * 2; j++)
 397                   {
 398                     contents[dst_idx + (sizeinwords * 2) - j - 1] = val;
 399                     val >>= 8;
 400                   }
 401
 402               for (j = 0; j < esdids; j++)
 403                 {
 404                   int id = *srcp++;
 405
 406                   if (id)
 407                     {
 408                       int rn = EDATA (abfd, otr->esdid - 1).relocs++;
 409
 410                       if (pass == 1)
 411                         {
 412                           /* This is the first pass over the data,
 413                              just remember that we need a reloc.  */
 414                         }
 415                       else
 416                         {
 417                           arelent *n =
 418                           EDATA (abfd, otr->esdid - 1).section->relocation + rn;
 419                           n->address = dst_idx;
 420
 421                           n->sym_ptr_ptr = (asymbol **) (size_t) id;
 422                           n->addend = 0;
 423                           n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1);
 424                         }
 425                     }
 426                 }
 427               srcp += offsetlen;
 428               dst_idx += sizeinwords * 2;
 429             }
 430         }
 431       else
 432         {
 433           need_contents = 1;
 434           if (dst_idx < esdid->section->size)
 435             if (pass == 2)
 436               {
 437                 /* Absolute code, comes in 16 bit lumps.  */
 438                 contents[dst_idx] = srcp[0];
 439                 contents[dst_idx + 1] = srcp[1];
 440               }
 441           dst_idx += 2;
 442           srcp += 2;
 443         }
 444     }
 445   EDATA (abfd, otr->esdid - 1).pc = dst_idx;
 446
 447   if (!contents && need_contents)
 448     {
 449       bfd_size_type size = esdid->section->size;
 450       esdid->contents = bfd_alloc (abfd, size);
 451     }
 452 }
 453
 454 static bfd_boolean
 455 versados_scan (bfd *abfd)
 456 {
 457   int loop = 1;
 458   int i;
 459   int j;
 460   int nsecs = 0;
 461   bfd_size_type amt;
 462
 463   VDATA (abfd)->stringlen = 0;
 464   VDATA (abfd)->nrefs = 0;
 465   VDATA (abfd)->ndefs = 0;
 466   VDATA (abfd)->ref_idx = 0;
 467   VDATA (abfd)->def_idx = 0;
 468   VDATA (abfd)->pass_2_done = 0;
 469
 470   while (loop)
 471     {
 472       union ext_any any;
 473
 474       if (!get_record (abfd, &any))
 475         return TRUE;
 476       switch (any.header.type)
 477         {
 478         case VHEADER:
 479           break;
 480         case VEND:
 481           loop = 0;
 482           break;
 483         case VESTDEF:
 484           process_esd (abfd, &any.esd, 1);
 485           break;
 486         case VOTR:
 487           process_otr (abfd, &any.otr, 1);
 488           break;
 489         }
 490     }
 491
 492   /* Now allocate space for the relocs and sections.  */
 493   VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx;
 494   VDATA (abfd)->ndefs = VDATA (abfd)->def_idx;
 495   VDATA (abfd)->ref_idx = 0;
 496   VDATA (abfd)->def_idx = 0;
 497
 498   abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs;
 499
 500   for (i = 0; i < 16; i++)
 501     {
 502       struct esdid *esdid = &EDATA (abfd, i);
 503
 504       if (esdid->section)
 505         {
 506           amt = (bfd_size_type) esdid->relocs * sizeof (arelent);
 507           esdid->section->relocation = bfd_alloc (abfd, amt);
 508
 509           esdid->pc = 0;
 510
 511           if (esdid->contents)
 512             esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD;
 513
 514           esdid->section->reloc_count = esdid->relocs;
 515           if (esdid->relocs)
 516             esdid->section->flags |= SEC_RELOC;
 517
 518           esdid->relocs = 0;
 519
 520           /* Add an entry into the symbol table for it.  */
 521           nsecs++;
 522           VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1;
 523         }
 524     }
 525
 526   abfd->symcount += nsecs;
 527
 528   amt = abfd->symcount;
 529   amt *= sizeof (asymbol);
 530   VDATA (abfd)->symbols = bfd_alloc (abfd, amt);
 531
 532   amt = VDATA (abfd)->stringlen;
 533   VDATA (abfd)->strings = bfd_alloc (abfd, amt);
 534
 535   if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0)
 536       || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0))
 537     return FALSE;
 538
 539   /* Actually fill in the section symbols,
 540      we stick them at the end of the table.  */
 541   for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++)
 542     {
 543       struct esdid *esdid = &EDATA (abfd, i);
 544       asection *sec = esdid->section;
 545
 546       if (sec)
 547         {
 548           asymbol *s = VDATA (abfd)->symbols + j;
 549           s->name = new_symbol_string (abfd, sec->name);
 550           s->section = sec;
 551           s->flags = BSF_LOCAL;
 552           s->value = 0;
 553           s->the_bfd = abfd;
 554           j++;
 555         }
 556     }
 557
 558   if (abfd->symcount)
 559     abfd->flags |= HAS_SYMS;
 560
 561   /* Set this to nsecs - since we've already planted the section
 562      symbols.  */
 563   VDATA (abfd)->nsecsyms = nsecs;
 564
 565   VDATA (abfd)->ref_idx = 0;
 566
 567   return 1;
 568 }
 569
 570 /* Check whether an existing file is a versados  file.  */
 571
 572 static const bfd_target *
 573 versados_object_p (bfd *abfd)
 574 {
 575   struct ext_vheader ext;
 576   unsigned char len;
 577   tdata_type *tdata_save;
 578
 579   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
 580     return NULL;
 581
 582   if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1)
 583     {
 584       if (bfd_get_error () != bfd_error_system_call)
 585         bfd_set_error (bfd_error_wrong_format);
 586       return NULL;
 587     }
 588
 589   if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len)
 590     {
 591       if (bfd_get_error () != bfd_error_system_call)
 592         bfd_set_error (bfd_error_wrong_format);
 593       return NULL;
 594     }
 595
 596   /* We guess that the language field will never be larger than 10.
 597      In sample files, it is always either 0 or 1.  Checking for this
 598      prevents confusion with Intel Hex files.  */
 599   if (ext.type != VHEADER
 600       || ext.lang > 10)
 601     {
 602       bfd_set_error (bfd_error_wrong_format);
 603       return NULL;
 604     }
 605
 606   /* OK, looks like a record, build the tdata and read in.  */
 607   tdata_save = abfd->tdata.versados_data;
 608   if (!versados_mkobject (abfd) || !versados_scan (abfd))
 609     {
 610       abfd->tdata.versados_data = tdata_save;
 611       return NULL;
 612     }
 613
 614   return abfd->xvec;
 615 }
 616
 617 static bfd_boolean
 618 versados_pass_2 (bfd *abfd)
 619 {
 620   union ext_any any;
 621
 622   if (VDATA (abfd)->pass_2_done)
 623     return 1;
 624
 625   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
 626     return 0;
 627
 628   VDATA (abfd)->es_done = ES_BASE;
 629
 630   /* Read records till we get to where we want to be.  */
 631   while (1)
 632     {
 633       get_record (abfd, &any);
 634       switch (any.header.type)
 635         {
 636         case VEND:
 637           VDATA (abfd)->pass_2_done = 1;
 638           return 1;
 639         case VESTDEF:
 640           process_esd (abfd, &any.esd, 2);
 641           break;
 642         case VOTR:
 643           process_otr (abfd, &any.otr, 2);
 644           break;
 645         }
 646     }
 647 }
 648
 649 static bfd_boolean
 650 versados_get_section_contents (bfd *abfd,
 651                                asection *section,
 652                                void * location,
 653                                file_ptr offset,
 654                                bfd_size_type count)
 655 {
 656   if (!versados_pass_2 (abfd))
 657     return FALSE;
 658
 659   memcpy (location,
 660           EDATA (abfd, section->target_index).contents + offset,
 661           (size_t) count);
 662
 663   return TRUE;
 664 }
 665
 666 #define versados_get_section_contents_in_window \
 667   _bfd_generic_get_section_contents_in_window
 668
 669 static bfd_boolean
 670 versados_set_section_contents (bfd *abfd ATTRIBUTE_UNUSED,
 671                                sec_ptr section ATTRIBUTE_UNUSED,
 672                                const void * location ATTRIBUTE_UNUSED,
 673                                file_ptr offset ATTRIBUTE_UNUSED,
 674                                bfd_size_type bytes_to_do ATTRIBUTE_UNUSED)
 675 {
 676   return FALSE;
 677 }
 678
 679 static int
 680 versados_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED,
 681                          struct bfd_link_info *info ATTRIBUTE_UNUSED)
 682 {
 683   return 0;
 684 }
 685
 686 /* Return the amount of memory needed to read the symbol table.  */
 687
 688 static long
 689 versados_get_symtab_upper_bound (bfd *abfd)
 690 {
 691   return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *);
 692 }
 693
 694 /* Return the symbol table.  */
 695
 696 static long
 697 versados_canonicalize_symtab (bfd *abfd, asymbol **alocation)
 698 {
 699   unsigned int symcount = bfd_get_symcount (abfd);
 700   unsigned int i;
 701   asymbol *s;
 702
 703   versados_pass_2 (abfd);
 704
 705   for (i = 0, s = VDATA (abfd)->symbols;
 706        i < symcount;
 707        s++, i++)
 708     *alocation++ = s;
 709
 710   *alocation = NULL;
 711
 712   return symcount;
 713 }
 714
 715 static void
 716 versados_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
 717                           asymbol *symbol,
 718                           symbol_info *ret)
 719 {
 720   bfd_symbol_info (symbol, ret);
 721 }
 722
 723 static void
 724 versados_print_symbol (bfd *abfd,
 725                        void * afile,
 726                        asymbol *symbol,
 727                        bfd_print_symbol_type how)
 728 {
 729   FILE *file = (FILE *) afile;
 730
 731   switch (how)
 732     {
 733     case bfd_print_symbol_name:
 734       fprintf (file, "%s", symbol->name);
 735       break;
 736     default:
 737       bfd_print_symbol_vandf (abfd, (void *) file, symbol);
 738       fprintf (file, " %-5s %s",
 739                symbol->section->name,
 740                symbol->name);
 741     }
 742 }
 743
 744 static long
 745 versados_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED,
 746                                 sec_ptr asect)
 747 {
 748   return (asect->reloc_count + 1) * sizeof (arelent *);
 749 }
 750
 751 static long
 752 versados_canonicalize_reloc (bfd *abfd,
 753                              sec_ptr section,
 754                              arelent **relptr,
 755                              asymbol **symbols)
 756 {
 757   unsigned int count;
 758   arelent *src;
 759
 760   versados_pass_2 (abfd);
 761   src = section->relocation;
 762   if (!EDATA (abfd, section->target_index).donerel)
 763     {
 764       EDATA (abfd, section->target_index).donerel = 1;
 765       /* Translate from indexes to symptr ptrs.  */
 766       for (count = 0; count < section->reloc_count; count++)
 767         {
 768           int esdid = (int) (size_t) src[count].sym_ptr_ptr;
 769
 770           if (esdid == 0)
 771             src[count].sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
 772           else if (esdid < ES_BASE)
 773             {
 774               /* Section relative thing.  */
 775               struct esdid *e = &EDATA (abfd, esdid - 1);
 776
 777               src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr;
 778             }
 779           else
 780             src[count].sym_ptr_ptr = symbols + esdid - ES_BASE;
 781         }
 782     }
 783
 784   for (count = 0; count < section->reloc_count; count++)
 785     *relptr++ = src++;
 786
 787   *relptr = 0;
 788   return section->reloc_count;
 789 }
 790
 791 #define versados_close_and_cleanup                    _bfd_generic_close_and_cleanup
 792 #define versados_bfd_free_cached_info                 _bfd_generic_bfd_free_cached_info
 793 #define versados_new_section_hook                     _bfd_generic_new_section_hook
 794 #define versados_bfd_is_target_special_symbol   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 795 #define versados_bfd_is_local_label_name              bfd_generic_is_local_label_name
 796 #define versados_get_lineno                           _bfd_nosymbols_get_lineno
 797 #define versados_find_nearest_line                    _bfd_nosymbols_find_nearest_line
 798 #define versados_find_inliner_info                    _bfd_nosymbols_find_inliner_info
 799 #define versados_make_empty_symbol                    _bfd_generic_make_empty_symbol
 800 #define versados_bfd_make_debug_symbol                _bfd_nosymbols_bfd_make_debug_symbol
 801 #define versados_read_minisymbols                     _bfd_generic_read_minisymbols
 802 #define versados_minisymbol_to_symbol                 _bfd_generic_minisymbol_to_symbol
 803 #define versados_bfd_reloc_type_lookup                _bfd_norelocs_bfd_reloc_type_lookup
 804 #define versados_bfd_reloc_name_lookup          _bfd_norelocs_bfd_reloc_name_lookup
 805 #define versados_set_arch_mach                        bfd_default_set_arch_mach
 806 #define versados_bfd_get_relocated_section_contents   bfd_generic_get_relocated_section_contents
 807 #define versados_bfd_relax_section                    bfd_generic_relax_section
 808 #define versados_bfd_gc_sections                      bfd_generic_gc_sections
 809 #define versados_bfd_lookup_section_flags             bfd_generic_lookup_section_flags
 810 #define versados_bfd_merge_sections                   bfd_generic_merge_sections
 811 #define versados_bfd_is_group_section                 bfd_generic_is_group_section
 812 #define versados_bfd_discard_group                    bfd_generic_discard_group
 813 #define versados_section_already_linked               _bfd_generic_section_already_linked
 814 #define versados_bfd_define_common_symbol             bfd_generic_define_common_symbol
 815 #define versados_bfd_link_hash_table_create           _bfd_generic_link_hash_table_create
 816 #define versados_bfd_link_hash_table_free             _bfd_generic_link_hash_table_free
 817 #define versados_bfd_link_add_symbols                 _bfd_generic_link_add_symbols
 818 #define versados_bfd_link_just_syms                   _bfd_generic_link_just_syms
 819 #define versados_bfd_copy_link_hash_symbol_type \
 820   _bfd_generic_copy_link_hash_symbol_type
 821 #define versados_bfd_final_link                       _bfd_generic_final_link
 822 #define versados_bfd_link_split_section               _bfd_generic_link_split_section
 823
 824 const bfd_target versados_vec =
 825 {
 826   "versados",                   /* Name.  */
 827   bfd_target_versados_flavour,
 828   BFD_ENDIAN_BIG,               /* Target byte order.  */
 829   BFD_ENDIAN_BIG,               /* Target headers byte order.  */
 830   (HAS_RELOC | EXEC_P |         /* Object flags.  */
 831    HAS_LINENO | HAS_DEBUG |
 832    HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
 833   (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
 834    | SEC_ALLOC | SEC_LOAD | SEC_RELOC),         /* Section flags.  */
 835   0,                            /* Leading underscore.  */
 836   ' ',                          /* AR_pad_char.  */
 837   16,                           /* AR_max_namelen.  */
 838   0,                            /* match priority.  */
 839   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 840   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 841   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* Data.  */
 842   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 843   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 844   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* Headers.  */
 845
 846   {
 847     _bfd_dummy_target,
 848     versados_object_p,          /* bfd_check_format.  */
 849     _bfd_dummy_target,
 850     _bfd_dummy_target,
 851   },
 852   {
 853     bfd_false,
 854     versados_mkobject,
 855     _bfd_generic_mkarchive,
 856     bfd_false,
 857   },
 858   {                             /* bfd_write_contents.  */
 859     bfd_false,
 860     bfd_false,
 861     _bfd_write_archive_contents,
 862     bfd_false,
 863   },
 864
 865   BFD_JUMP_TABLE_GENERIC (versados),
 866   BFD_JUMP_TABLE_COPY (_bfd_generic),
 867   BFD_JUMP_TABLE_CORE (_bfd_nocore),
 868   BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
 869   BFD_JUMP_TABLE_SYMBOLS (versados),
 870   BFD_JUMP_TABLE_RELOCS (versados),
 871   BFD_JUMP_TABLE_WRITE (versados),
 872   BFD_JUMP_TABLE_LINK (versados),
 873   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 874
 875   NULL,
 876
 877   NULL
 878 };