bfd/versados.c

   1 /* BFD back-end for VERSAdos-E objects.
   2    Copyright 1995, 1996, 1998, 1999, 2000 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  22
  23 /*
  24    SUBSECTION
  25    VERSAdos-E relocateable object file format
  26
  27    DESCRIPTION
  28
  29    This module supports reading of VERSAdos relocateable
  30    object files.
  31
  32    A VERSAdos file looks like contains
  33
  34    o Indentification Record
  35    o External Symbol Definition Record
  36    o Object Text Recrod
  37    o End Record
  38
  39  */
  40
  41 #include "bfd.h"
  42 #include "sysdep.h"
  43 #include "libbfd.h"
  44 #include "libiberty.h"
  45
  46 static boolean versados_mkobject PARAMS ((bfd *));
  47 static boolean versados_scan PARAMS ((bfd *));
  48 static const bfd_target *versados_object_p PARAMS ((bfd *));
  49
  50 #define VHEADER '1'
  51 #define VESTDEF '2'
  52 #define VOTR '3'
  53 #define VEND '4'
  54
  55 #define ES_BASE 17              /* first symbol has esdid 17 */
  56
  57 /* Per file target dependent information */
  58
  59 /* one for each section */
  60 struct esdid
  61   {
  62     asection *section;          /* ptr to bfd version */
  63     unsigned char *contents;    /* used to build image */
  64     int pc;
  65     int relocs;                 /* reloc count, valid end of pass 1 */
  66     int donerel;                /* have relocs been translated */
  67   };
  68
  69 typedef struct versados_data_struct
  70   {
  71     int es_done;                /* count of symbol index, starts at ES_BASE */
  72     asymbol *symbols;           /* pointer to local symbols */
  73     char *strings;              /* strings of all the above */
  74     int stringlen;              /* len of string table (valid end of pass1) */
  75     int nsecsyms;               /* number of sections */
  76
  77     int ndefs;                  /* number of exported symbols (they dont get esdids) */
  78     int nrefs;                  /* number of imported symbols  (valid end of pass1) */
  79
  80     int ref_idx;                /* current processed value of the above */
  81     int def_idx;
  82
  83     int pass_2_done;
  84
  85     struct esdid e[16];         /* per section info */
  86     int alert;                  /* to see if we're trampling */
  87     asymbol *rest[256 - 16];    /* per symbol info */
  88
  89   }
  90 tdata_type;
  91
  92 #define VDATA(abfd)       (abfd->tdata.versados_data)
  93 #define EDATA(abfd, n)    (abfd->tdata.versados_data->e[n])
  94 #define RDATA(abfd, n)    (abfd->tdata.versados_data->rest[n])
  95
  96 struct ext_otr
  97   {
  98     unsigned char size;
  99     char type;
 100     unsigned char map[4];
 101     unsigned char esdid;
 102     unsigned char data[200];
 103   };
 104
 105 struct ext_vheader
 106   {
 107     unsigned char size;
 108     char type;                  /* record type */
 109     char name[10];              /* module name */
 110     char rev;                   /* module rev number */
 111     char lang;
 112     char vol[4];
 113     char user[2];
 114     char cat[8];
 115     char fname[8];
 116     char ext[2];
 117     char time[3];
 118     char date[3];
 119     char rest[211];
 120   };
 121
 122 struct ext_esd
 123   {
 124     unsigned char size;
 125     char type;
 126     unsigned char esd_entries[1];
 127   };
 128 #define ESD_ABS         0
 129 #define ESD_COMMON      1
 130 #define ESD_STD_REL_SEC 2
 131 #define ESD_SHRT_REL_SEC 3
 132 #define ESD_XDEF_IN_SEC 4
 133 #define ESD_XREF_SYM    7
 134 #define ESD_XREF_SEC    6
 135 #define ESD_XDEF_IN_ABS 5
 136 union ext_any
 137   {
 138     unsigned char size;
 139     struct ext_vheader header;
 140     struct ext_esd esd;
 141     struct ext_otr otr;
 142   };
 143
 144 /* Initialize by filling in the hex conversion array.  */
 145
 146 /* Set up the tdata information.  */
 147
 148 static boolean
 149 versados_mkobject (abfd)
 150      bfd *abfd;
 151 {
 152   if (abfd->tdata.versados_data == NULL)
 153     {
 154       tdata_type *tdata = (tdata_type *) bfd_alloc (abfd, sizeof (tdata_type));
 155       if (tdata == NULL)
 156         return false;
 157       abfd->tdata.versados_data = tdata;
 158       tdata->symbols = NULL;
 159       VDATA (abfd)->alert = 0x12345678;
 160     }
 161
 162   bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
 163   return true;
 164 }
 165
 166 /* Report a problem in an S record file.  FIXME: This probably should
 167    not call fprintf, but we really do need some mechanism for printing
 168    error messages.  */
 169
 170 static asymbol *
 171 versados_new_symbol (abfd, snum, name, val, sec)
 172      bfd *abfd;
 173      int snum;
 174      const char *name;
 175      bfd_vma val;
 176      asection *sec;
 177 {
 178   asymbol *n = VDATA (abfd)->symbols + snum;
 179   n->name = name;
 180   n->value = val;
 181   n->section = sec;
 182   n->the_bfd = abfd;
 183   n->flags = 0;
 184   return n;
 185 }
 186
 187 static int
 188 get_record (abfd, ptr)
 189      bfd *abfd;
 190      union ext_any *ptr;
 191 {
 192   bfd_read (&ptr->size, 1, 1, abfd);
 193   if (bfd_read ((char *) ptr + 1, 1, ptr->size, abfd) != ptr->size)
 194     return 0;
 195   return 1;
 196 }
 197
 198 int
 199 get_4 (pp)
 200      unsigned char **pp;
 201 {
 202   unsigned char *p = *pp;
 203   *pp += 4;
 204   return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0);
 205 }
 206
 207 void
 208 get_10 (pp, name)
 209      unsigned char **pp;
 210      char *name;
 211 {
 212   char *p = (char *) *pp;
 213   int len = 10;
 214   *pp += len;
 215   while (*p != ' '
 216          && len)
 217     {
 218       *name++ = *p++;
 219       len--;
 220     }
 221   *name = 0;
 222 }
 223
 224 static char *
 225 new_symbol_string (abfd, name)
 226      bfd *abfd;
 227      char *name;
 228 {
 229   char *n = VDATA (abfd)->strings;
 230   strcpy (VDATA (abfd)->strings, name);
 231   VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1;
 232   return n;
 233 }
 234
 235 static void
 236 process_esd (abfd, esd, pass)
 237      bfd *abfd;
 238      struct ext_esd *esd;
 239      int pass;
 240 {
 241   /* Read through the ext def for the est entries */
 242   int togo = esd->size - 2;
 243   bfd_vma size;
 244   bfd_vma start;
 245   asection *sec;
 246   char name[11];
 247   unsigned char *ptr = esd->esd_entries;
 248   unsigned char *end = ptr + togo;
 249   while (ptr < end)
 250     {
 251       int scn = *ptr & 0xf;
 252       int typ = (*ptr >> 4) & 0xf;
 253
 254       /* Declare this section */
 255       sprintf (name, "%d", scn);
 256       sec = bfd_make_section_old_way (abfd, strdup (name));
 257       sec->target_index = scn;
 258       EDATA (abfd, scn).section = sec;
 259       ptr++;
 260       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               {
 271                 VDATA (abfd)->stringlen += strlen (name) + 1;
 272               }
 273             else
 274               {
 275                 int esidx;
 276                 asymbol *s;
 277                 char *n = new_symbol_string (abfd, name);
 278                 s = versados_new_symbol (abfd, snum, n, 0,
 279                                          &bfd_und_section, scn);
 280                 esidx = VDATA (abfd)->es_done++;
 281                 RDATA (abfd, esidx - ES_BASE) = s;
 282               }
 283           }
 284           break;
 285
 286         case ESD_ABS:
 287           size = get_4 (&ptr);
 288           start = get_4 (&ptr);
 289           break;
 290         case ESD_STD_REL_SEC:
 291         case ESD_SHRT_REL_SEC:
 292           {
 293             sec->_raw_size = get_4 (&ptr);
 294             sec->flags |= SEC_ALLOC;
 295           }
 296           break;
 297         case ESD_XDEF_IN_ABS:
 298           sec = (asection *) & bfd_abs_section;
 299         case ESD_XDEF_IN_SEC:
 300           {
 301             int snum = VDATA (abfd)->def_idx++;
 302             long val;
 303             get_10 (&ptr, name);
 304             val = get_4 (&ptr);
 305             if (pass == 1)
 306               {
 307                 /* Just remember the symbol */
 308                 VDATA (abfd)->stringlen += strlen (name) + 1;
 309               }
 310             else
 311               {
 312                 asymbol *s;
 313                 char *n = new_symbol_string (abfd, name);
 314                 s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, val, sec, scn);
 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 (len, ptr)
 347      int len;
 348      unsigned char *ptr;
 349 {
 350   int val = 0;
 351   if (len)
 352     {
 353       int i;
 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 (abfd, otr, pass)
 366      bfd *abfd;
 367      struct ext_otr *otr;
 368      int pass;
 369 {
 370   unsigned long shift;
 371   unsigned char *srcp = otr->data;
 372   unsigned char *endp = (unsigned char *) otr + otr->size;
 373   unsigned int bits = (otr->map[0] << 24)
 374   | (otr->map[1] << 16)
 375   | (otr->map[2] << 8)
 376   | (otr->map[3] << 0);
 377
 378   struct esdid *esdid = &EDATA (abfd, otr->esdid - 1);
 379   unsigned char *contents = esdid->contents;
 380   int need_contents = 0;
 381   unsigned int dst_idx = esdid->pc;
 382
 383   for (shift = (1 << 31); shift && srcp < endp; shift >>= 1)
 384     {
 385       if (bits & shift)
 386         {
 387           int flag = *srcp++;
 388           int esdids = (flag >> 5) & 0x7;
 389           int sizeinwords = ((flag >> 3) & 1) ? 2 : 1;
 390           int offsetlen = flag & 0x7;
 391           int j;
 392
 393           if (esdids == 0)
 394             {
 395               /* A zero esdid means the new pc is the offset given */
 396               dst_idx += get_offset (offsetlen, srcp);
 397               srcp += offsetlen;
 398             }
 399           else
 400             {
 401               int val = get_offset (offsetlen, srcp + esdids);
 402               if (pass == 1)
 403                 need_contents = 1;
 404               else
 405                 for (j = 0; j < sizeinwords * 2; j++)
 406                   {
 407                     contents[dst_idx + (sizeinwords * 2) - j - 1] = val;
 408                     val >>= 8;
 409                   }
 410
 411               for (j = 0; j < esdids; j++)
 412                 {
 413                   int esdid = *srcp++;
 414
 415                   if (esdid)
 416                     {
 417                       int rn = EDATA (abfd, otr->esdid - 1).relocs++;
 418                       if (pass == 1)
 419                         {
 420                           /* this is the first pass over the data,
 421                              just remember that we need a reloc */
 422                         }
 423                       else
 424                         {
 425                           arelent *n =
 426                           EDATA (abfd, otr->esdid - 1).section->relocation + rn;
 427                           n->address = dst_idx;
 428
 429                           n->sym_ptr_ptr = (asymbol **) esdid;
 430                           n->addend = 0;
 431                           n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1);
 432                         }
 433                     }
 434                 }
 435               srcp += offsetlen;
 436               dst_idx += sizeinwords * 2;
 437             }
 438         }
 439       else
 440         {
 441           need_contents = 1;
 442           if (dst_idx < esdid->section->_raw_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           dst_idx += 2;
 450           srcp += 2;
 451         }
 452     }
 453   EDATA (abfd, otr->esdid - 1).pc = dst_idx;
 454
 455   if (!contents && need_contents)
 456     esdid->contents = (unsigned char *) bfd_alloc (abfd, esdid->section->_raw_size);
 457
 458 }
 459
 460 static boolean
 461 versados_scan (abfd)
 462      bfd *abfd;
 463 {
 464   int loop = 1;
 465   int i;
 466   int j;
 467   int nsecs = 0;
 468
 469   VDATA (abfd)->stringlen = 0;
 470   VDATA (abfd)->nrefs = 0;
 471   VDATA (abfd)->ndefs = 0;
 472   VDATA (abfd)->ref_idx = 0;
 473   VDATA (abfd)->def_idx = 0;
 474   VDATA (abfd)->pass_2_done = 0;
 475
 476   while (loop)
 477     {
 478       union ext_any any;
 479       if (!get_record (abfd, &any))
 480         return true;
 481       switch (any.header.type)
 482         {
 483         case VHEADER:
 484           break;
 485         case VEND:
 486           loop = 0;
 487           break;
 488         case VESTDEF:
 489           process_esd (abfd, &any.esd, 1);
 490           break;
 491         case VOTR:
 492           process_otr (abfd, &any.otr, 1);
 493           break;
 494         }
 495     }
 496
 497   /* Now allocate space for the relocs and sections */
 498
 499   VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx;
 500   VDATA (abfd)->ndefs = VDATA (abfd)->def_idx;
 501   VDATA (abfd)->ref_idx = 0;
 502   VDATA (abfd)->def_idx = 0;
 503
 504   abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs;
 505
 506   for (i = 0; i < 16; i++)
 507     {
 508       struct esdid *esdid = &EDATA (abfd, i);
 509       if (esdid->section)
 510         {
 511           esdid->section->relocation
 512             = (arelent *) bfd_alloc (abfd, sizeof (arelent) * esdid->relocs);
 513
 514           esdid->pc = 0;
 515
 516           if (esdid->contents)
 517             esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD;
 518
 519           esdid->section->reloc_count = esdid->relocs;
 520           if (esdid->relocs)
 521             esdid->section->flags |= SEC_RELOC;
 522
 523           esdid->relocs = 0;
 524
 525           /* Add an entry into the symbol table for it */
 526           nsecs++;
 527           VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1;
 528         }
 529     }
 530
 531   abfd->symcount += nsecs;
 532
 533   VDATA (abfd)->symbols = (asymbol *) bfd_alloc (abfd,
 534                                        sizeof (asymbol) * (abfd->symcount));
 535
 536   VDATA (abfd)->strings = bfd_alloc (abfd, VDATA (abfd)->stringlen);
 537
 538   if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0)
 539       || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0))
 540     return false;
 541
 542   /* Actually fill in the section symbols,
 543      we stick them at the end of the table */
 544
 545   for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++)
 546     {
 547       struct esdid *esdid = &EDATA (abfd, i);
 548       asection *sec = esdid->section;
 549       if (sec)
 550         {
 551           asymbol *s = VDATA (abfd)->symbols + j;
 552           s->name = new_symbol_string (abfd, sec->name);
 553           s->section = sec;
 554           s->flags = BSF_LOCAL;
 555           s->value = 0;
 556           s->the_bfd = abfd;
 557           j++;
 558         }
 559     }
 560   if (abfd->symcount)
 561     abfd->flags |= HAS_SYMS;
 562
 563   /* Set this to nsecs - since we've already planted the section
 564      symbols */
 565   VDATA (abfd)->nsecsyms = nsecs;
 566
 567   VDATA (abfd)->ref_idx = 0;
 568
 569   return 1;
 570 }
 571
 572 /* Check whether an existing file is a versados  file.  */
 573
 574 static const bfd_target *
 575 versados_object_p (abfd)
 576      bfd *abfd;
 577 {
 578   struct ext_vheader ext;
 579   unsigned char len;
 580
 581   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
 582     return NULL;
 583
 584   if (bfd_read (&len, 1, 1, abfd) != 1)
 585     {
 586       if (bfd_get_error () != bfd_error_system_call)
 587         bfd_set_error (bfd_error_wrong_format);
 588       return NULL;
 589     }
 590
 591   if (bfd_read (&ext.type, 1, len, abfd) != len)
 592     {
 593       if (bfd_get_error () != bfd_error_system_call)
 594         bfd_set_error (bfd_error_wrong_format);
 595       return NULL;
 596     }
 597
 598   /* We guess that the language field will never be larger than 10.
 599      In sample files, it is always either 0 or 1.  Checking for this
 600      prevents confusion with Intel Hex files.  */
 601   if (ext.type != VHEADER
 602       || ext.lang > 10)
 603     {
 604       bfd_set_error (bfd_error_wrong_format);
 605       return NULL;
 606     }
 607
 608   /* OK, looks like a record, build the tdata and read in.  */
 609
 610   if (!versados_mkobject (abfd)
 611       || !versados_scan (abfd))
 612     return NULL;
 613
 614   return abfd->xvec;
 615 }
 616
 617 static boolean
 618 versados_pass_2 (abfd)
 619      bfd *abfd;
 620 {
 621   union ext_any any;
 622
 623   if (VDATA (abfd)->pass_2_done)
 624     return 1;
 625
 626   if (bfd_seek (abfd, 0, SEEK_SET) != 0)
 627     return 0;
 628
 629   VDATA (abfd)->es_done = ES_BASE;
 630
 631   /* read records till we get to where we want to be */
 632
 633   while (1)
 634     {
 635       get_record (abfd, &any);
 636       switch (any.header.type)
 637         {
 638         case VEND:
 639           VDATA (abfd)->pass_2_done = 1;
 640           return 1;
 641         case VESTDEF:
 642           process_esd (abfd, &any.esd, 2);
 643           break;
 644         case VOTR:
 645           process_otr (abfd, &any.otr, 2);
 646           break;
 647         }
 648     }
 649 }
 650
 651 static boolean
 652 versados_get_section_contents (abfd, section, location, offset, count)
 653      bfd *abfd;
 654      asection *section;
 655      PTR location;
 656      file_ptr offset;
 657      bfd_size_type count;
 658 {
 659   if (!versados_pass_2 (abfd))
 660     return false;
 661
 662   memcpy (location,
 663           EDATA (abfd, section->target_index).contents + offset,
 664           (size_t) count);
 665
 666   return true;
 667 }
 668
 669 #define versados_get_section_contents_in_window \
 670   _bfd_generic_get_section_contents_in_window
 671
 672 static boolean
 673 versados_set_section_contents (abfd, section, location, offset, bytes_to_do)
 674      bfd *abfd ATTRIBUTE_UNUSED;
 675      sec_ptr section ATTRIBUTE_UNUSED;
 676      PTR location ATTRIBUTE_UNUSED;
 677      file_ptr offset ATTRIBUTE_UNUSED;
 678      bfd_size_type bytes_to_do ATTRIBUTE_UNUSED;
 679 {
 680   return false;
 681 }
 682
 683 static int
 684 versados_sizeof_headers (abfd, exec)
 685      bfd *abfd ATTRIBUTE_UNUSED;
 686      boolean exec ATTRIBUTE_UNUSED;
 687 {
 688   return 0;
 689 }
 690
 691 static asymbol *
 692 versados_make_empty_symbol (abfd)
 693      bfd *abfd;
 694 {
 695   asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
 696   if (new)
 697     new->the_bfd = abfd;
 698   return new;
 699 }
 700
 701 /* Return the amount of memory needed to read the symbol table.  */
 702
 703 static long
 704 versados_get_symtab_upper_bound (abfd)
 705      bfd *abfd;
 706 {
 707   return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *);
 708 }
 709
 710 /* Return the symbol table.  */
 711
 712 static long
 713 versados_get_symtab (abfd, alocation)
 714      bfd *abfd;
 715      asymbol **alocation;
 716 {
 717   unsigned int symcount = bfd_get_symcount (abfd);
 718   unsigned int i;
 719   asymbol *s;
 720
 721   versados_pass_2 (abfd);
 722
 723   for (i = 0, s = VDATA (abfd)->symbols;
 724        i < symcount;
 725        s++, i++)
 726     {
 727       *alocation++ = s;
 728     }
 729
 730   *alocation = NULL;
 731
 732   return symcount;
 733 }
 734
 735 void
 736 versados_get_symbol_info (ignore_abfd, symbol, ret)
 737      bfd *ignore_abfd ATTRIBUTE_UNUSED;
 738      asymbol *symbol;
 739      symbol_info *ret;
 740 {
 741   bfd_symbol_info (symbol, ret);
 742 }
 743
 744 void
 745 versados_print_symbol (ignore_abfd, afile, symbol, how)
 746      bfd *ignore_abfd ATTRIBUTE_UNUSED;
 747      PTR afile;
 748      asymbol *symbol;
 749      bfd_print_symbol_type how;
 750 {
 751   FILE *file = (FILE *) afile;
 752   switch (how)
 753     {
 754     case bfd_print_symbol_name:
 755       fprintf (file, "%s", symbol->name);
 756       break;
 757     default:
 758       bfd_print_symbol_vandf ((PTR) file, symbol);
 759       fprintf (file, " %-5s %s",
 760                symbol->section->name,
 761                symbol->name);
 762
 763     }
 764 }
 765
 766 long
 767 versados_get_reloc_upper_bound (abfd, asect)
 768      bfd *abfd ATTRIBUTE_UNUSED;
 769      sec_ptr asect;
 770 {
 771   return (asect->reloc_count + 1) * sizeof (arelent *);
 772 }
 773
 774 long
 775 versados_canonicalize_reloc (abfd, section, relptr, symbols)
 776      bfd *abfd;
 777      sec_ptr section;
 778      arelent **relptr;
 779      asymbol **symbols;
 780 {
 781   unsigned int count;
 782   arelent *src;
 783
 784   versados_pass_2 (abfd);
 785   src = section->relocation;
 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) src[count].sym_ptr_ptr;
 793
 794           if (esdid == 0)
 795             {
 796               src[count].sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
 797             }
 798           else if (esdid < ES_BASE)     /* Section relative thing */
 799             {
 800               struct esdid *e = &EDATA (abfd, esdid - 1);
 801               if (!section)
 802                 {
 803                  /** relocation relative to section which was
 804                    never declared ! */
 805                 }
 806               src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr;
 807             }
 808           else
 809             {
 810               src[count].sym_ptr_ptr = symbols + esdid - ES_BASE;
 811             }
 812
 813         }
 814     }
 815
 816   for (count = 0; count < section->reloc_count; count++)
 817     {
 818       *relptr++ = src++;
 819     }
 820   *relptr = 0;
 821   return section->reloc_count;
 822 }
 823
 824 #define versados_close_and_cleanup _bfd_generic_close_and_cleanup
 825 #define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
 826 #define versados_new_section_hook _bfd_generic_new_section_hook
 827
 828 #define versados_bfd_is_local_label_name bfd_generic_is_local_label_name
 829 #define versados_get_lineno _bfd_nosymbols_get_lineno
 830 #define versados_find_nearest_line _bfd_nosymbols_find_nearest_line
 831 #define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
 832 #define versados_read_minisymbols _bfd_generic_read_minisymbols
 833 #define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
 834
 835 #define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
 836
 837 #define versados_set_arch_mach bfd_default_set_arch_mach
 838
 839 #define versados_bfd_get_relocated_section_contents \
 840   bfd_generic_get_relocated_section_contents
 841 #define versados_bfd_relax_section bfd_generic_relax_section
 842 #define versados_bfd_gc_sections bfd_generic_gc_sections
 843 #define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
 844 #define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols
 845 #define versados_bfd_final_link _bfd_generic_final_link
 846 #define versados_bfd_link_split_section _bfd_generic_link_split_section
 847
 848 const bfd_target versados_vec =
 849 {
 850   "versados",                   /* name */
 851   bfd_target_versados_flavour,
 852   BFD_ENDIAN_BIG,               /* target byte order */
 853   BFD_ENDIAN_BIG,               /* target headers byte order */
 854   (HAS_RELOC | EXEC_P |         /* object flags */
 855    HAS_LINENO | HAS_DEBUG |
 856    HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
 857   (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
 858    | SEC_ALLOC | SEC_LOAD | SEC_RELOC),         /* section flags */
 859   0,                            /* leading underscore */
 860   ' ',                          /* ar_pad_char */
 861   16,                           /* ar_max_namelen */
 862   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 863   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 864   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* data */
 865   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 866   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 867   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* hdrs */
 868
 869   {
 870     _bfd_dummy_target,
 871     versados_object_p,          /* bfd_check_format */
 872     _bfd_dummy_target,
 873     _bfd_dummy_target,
 874   },
 875   {
 876     bfd_false,
 877     versados_mkobject,
 878     _bfd_generic_mkarchive,
 879     bfd_false,
 880   },
 881   {                             /* bfd_write_contents */
 882     bfd_false,
 883     bfd_false,
 884     _bfd_write_archive_contents,
 885     bfd_false,
 886   },
 887
 888   BFD_JUMP_TABLE_GENERIC (versados),
 889   BFD_JUMP_TABLE_COPY (_bfd_generic),
 890   BFD_JUMP_TABLE_CORE (_bfd_nocore),
 891   BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
 892   BFD_JUMP_TABLE_SYMBOLS (versados),
 893   BFD_JUMP_TABLE_RELOCS (versados),
 894   BFD_JUMP_TABLE_WRITE (versados),
 895   BFD_JUMP_TABLE_LINK (versados),
 896   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 897
 898   NULL,
 899
 900   (PTR) 0
 901 };