bfd/versados.c

   1 /* BFD back-end for VERSAdos-E objects.
   2    Copyright 1995, 96, 1997 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
  42 #include "bfd.h"
  43 #include "sysdep.h"
  44 #include "libbfd.h"
  45 #include "libiberty.h"
  46
  47
  48 static boolean versados_mkobject PARAMS ((bfd *));
  49 static boolean versados_scan PARAMS ((bfd *));
  50 static const bfd_target *versados_object_p PARAMS ((bfd *));
  51
  52
  53 #define VHEADER '1'
  54 #define VESTDEF '2'
  55 #define VOTR '3'
  56 #define VEND '4'
  57
  58
  59 #define ES_BASE 17              /* first symbol has esdid 17 */
  60
  61 /* Per file target dependent information */
  62
  63 /* one for each section */
  64 struct esdid
  65   {
  66     asection *section;          /* ptr to bfd version */
  67     unsigned char *contents;    /* used to build image */
  68     int pc;
  69     int relocs;                 /* reloc count, valid end of pass 1 */
  70     int donerel;                /* have relocs been translated */
  71   };
  72
  73 typedef struct versados_data_struct
  74   {
  75     int es_done;                /* count of symbol index, starts at ES_BASE */
  76     asymbol *symbols;           /* pointer to local symbols */
  77     char *strings;              /* strings of all the above */
  78     int stringlen;              /* len of string table (valid end of pass1) */
  79     int nsecsyms;               /* number of sections */
  80
  81     int ndefs;                  /* number of exported symbols (they dont get esdids) */
  82     int nrefs;                  /* number of imported symbols  (valid end of pass1) */
  83
  84     int ref_idx;                /* current processed value of the above */
  85     int def_idx;
  86
  87     int pass_2_done;
  88
  89     struct esdid e[16];         /* per section info */
  90     int alert;                  /* to see if we're trampling */
  91     asymbol *rest[256 - 16];    /* per symbol info */
  92
  93   }
  94 tdata_type;
  95
  96 #define VDATA(abfd)       (abfd->tdata.versados_data)
  97 #define EDATA(abfd, n)    (abfd->tdata.versados_data->e[n])
  98 #define RDATA(abfd, n)    (abfd->tdata.versados_data->rest[n])
  99
 100 struct ext_otr
 101   {
 102     unsigned char size;
 103     char type;
 104     unsigned char map[4];
 105     unsigned char esdid;
 106     unsigned char data[200];
 107   };
 108
 109 struct ext_vheader
 110   {
 111     unsigned char size;
 112     char type;                  /* record type */
 113     char name[10];              /* module name */
 114     char rev;                   /* module rev number */
 115     char lang;
 116     char vol[4];
 117     char user[2];
 118     char cat[8];
 119     char fname[8];
 120     char ext[2];
 121     char time[3];
 122     char date[3];
 123     char rest[211];
 124   };
 125
 126 struct ext_esd
 127   {
 128     unsigned char size;
 129     char type;
 130     unsigned char esd_entries[1];
 131   };
 132 #define ESD_ABS         0
 133 #define ESD_COMMON      1
 134 #define ESD_STD_REL_SEC 2
 135 #define ESD_SHRT_REL_SEC 3
 136 #define ESD_XDEF_IN_SEC 4
 137 #define ESD_XREF_SYM    7
 138 #define ESD_XREF_SEC    6
 139 #define ESD_XDEF_IN_ABS 5
 140 union ext_any
 141   {
 142     unsigned char size;
 143     struct ext_vheader header;
 144     struct ext_esd esd;
 145     struct ext_otr otr;
 146   };
 147
 148 /* Initialize by filling in the hex conversion array. */
 149
 150
 151
 152
 153
 154 /* Set up the tdata information.  */
 155
 156 static boolean
 157 versados_mkobject (abfd)
 158      bfd *abfd;
 159 {
 160   if (abfd->tdata.versados_data == NULL)
 161     {
 162       tdata_type *tdata = (tdata_type *) bfd_alloc (abfd, sizeof (tdata_type));
 163       if (tdata == NULL)
 164         return false;
 165       abfd->tdata.versados_data = tdata;
 166       tdata->symbols = NULL;
 167       VDATA (abfd)->alert = 0x12345678;
 168     }
 169
 170   bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
 171   return true;
 172 }
 173
 174
 175 /* Report a problem in an S record file.  FIXME: This probably should
 176    not call fprintf, but we really do need some mechanism for printing
 177    error messages.  */
 178
 179
 180
 181 static asymbol *
 182 versados_new_symbol (abfd, snum, name, val, sec)
 183      bfd *abfd;
 184      int snum;
 185      const char *name;
 186      bfd_vma val;
 187      asection *sec;
 188 {
 189   asymbol *n = VDATA (abfd)->symbols + snum;
 190   n->name = name;
 191   n->value = val;
 192   n->section = sec;
 193   n->the_bfd = abfd;
 194   n->flags = 0;
 195   return n;
 196 }
 197
 198
 199 static int
 200 get_record (abfd, ptr)
 201      bfd *abfd;
 202      union ext_any *ptr;
 203 {
 204   bfd_read (&ptr->size, 1, 1, abfd);
 205   if (bfd_read ((char *) ptr + 1, 1, ptr->size, abfd) != ptr->size)
 206     return 0;
 207   return 1;
 208 }
 209
 210 int
 211 get_4 (pp)
 212      unsigned char **pp;
 213 {
 214   unsigned char *p = *pp;
 215   *pp += 4;
 216   return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0);
 217 }
 218
 219 void
 220 get_10 (pp, name)
 221      unsigned char **pp;
 222      char *name;
 223 {
 224   char *p = (char *) *pp;
 225   int len = 10;
 226   *pp += len;
 227   while (*p != ' '
 228          && len)
 229     {
 230       *name++ = *p++;
 231       len--;
 232     }
 233   *name = 0;
 234 }
 235
 236 static char *
 237 new_symbol_string (abfd, name)
 238      bfd *abfd;
 239      char *name;
 240 {
 241   char *n = VDATA (abfd)->strings;
 242   strcpy (VDATA (abfd)->strings, name);
 243   VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1;
 244   return n;
 245 }
 246
 247
 248 static void
 249 process_esd (abfd, esd, pass)
 250      bfd *abfd;
 251      struct ext_esd *esd;
 252      int pass;
 253 {
 254   /* Read through the ext def for the est entries */
 255   int togo = esd->size - 2;
 256   bfd_vma size;
 257   bfd_vma start;
 258   asection *sec;
 259   char name[11];
 260   unsigned char *ptr = esd->esd_entries;
 261   unsigned char *end = ptr + togo;
 262   while (ptr < end)
 263     {
 264       int scn = *ptr & 0xf;
 265       int typ = (*ptr >> 4) & 0xf;
 266
 267       /* Declare this section */
 268       sprintf (name, "%d", scn);
 269       sec = bfd_make_section_old_way (abfd, strdup (name));
 270       sec->target_index = scn;
 271       EDATA (abfd, scn).section = sec;
 272       ptr++;
 273       switch (typ)
 274         {
 275         default:
 276           abort ();
 277         case ESD_XREF_SEC:
 278         case ESD_XREF_SYM:
 279           {
 280             int snum = VDATA (abfd)->ref_idx++;
 281             get_10 (&ptr, name);
 282             if (pass == 1)
 283               {
 284                 VDATA (abfd)->stringlen += strlen (name) + 1;
 285               }
 286             else
 287               {
 288                 int esidx;
 289                 asymbol *s;
 290                 char *n = new_symbol_string (abfd, name);
 291                 s = versados_new_symbol (abfd, snum, n, 0,
 292                                          &bfd_und_section, scn);
 293                 esidx = VDATA (abfd)->es_done++;
 294                 RDATA (abfd, esidx - ES_BASE) = s;
 295               }
 296           }
 297           break;
 298
 299
 300         case ESD_ABS:
 301           size = get_4 (&ptr);
 302           start = get_4 (&ptr);
 303           break;
 304         case ESD_STD_REL_SEC:
 305         case ESD_SHRT_REL_SEC:
 306           {
 307             sec->_raw_size = get_4 (&ptr);
 308             sec->flags |= SEC_ALLOC;
 309           }
 310           break;
 311         case ESD_XDEF_IN_ABS:
 312           sec = (asection *) & bfd_abs_section;
 313         case ESD_XDEF_IN_SEC:
 314           {
 315             int snum = VDATA (abfd)->def_idx++;
 316             long val;
 317             get_10 (&ptr, name);
 318             val = get_4 (&ptr);
 319             if (pass == 1)
 320               {
 321                 /* Just remember the symbol */
 322                 VDATA (abfd)->stringlen += strlen (name) + 1;
 323               }
 324             else
 325               {
 326                 asymbol *s;
 327                 char *n = new_symbol_string (abfd, name);
 328                 s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, val, sec, scn);
 329                 s->flags |= BSF_GLOBAL;
 330               }
 331           }
 332           break;
 333         }
 334     }
 335 }
 336
 337 #define R_RELWORD 1
 338 #define R_RELLONG 2
 339 #define R_RELWORD_NEG 3
 340 #define R_RELLONG_NEG 4
 341
 342 reloc_howto_type versados_howto_table[] =
 343 {
 344   HOWTO (R_RELWORD, 0, 1, 16, false,
 345          0, complain_overflow_dont, 0,
 346          "+v16", true, 0x0000ffff, 0x0000ffff, false),
 347   HOWTO (R_RELLONG, 0, 2, 32, false,
 348          0, complain_overflow_dont, 0,
 349          "+v32", true, 0xffffffff, 0xffffffff, false),
 350
 351   HOWTO (R_RELWORD_NEG, 0, -1, 16, false,
 352          0, complain_overflow_dont, 0,
 353          "-v16", true, 0x0000ffff, 0x0000ffff, false),
 354   HOWTO (R_RELLONG_NEG, 0, -2, 32, false,
 355          0, complain_overflow_dont, 0,
 356          "-v32", true, 0xffffffff, 0xffffffff, false),
 357 };
 358
 359
 360 static int
 361 get_offset (len, ptr)
 362      int len;
 363      unsigned char *ptr;
 364 {
 365   int val = 0;
 366   if (len)
 367     {
 368       int i;
 369       val = *ptr++;
 370       if (val & 0x80)
 371         val |= ~0xff;
 372       for (i = 1; i < len; i++)
 373         val = (val << 8) | *ptr++;
 374     }
 375
 376   return val;
 377 }
 378
 379 static void
 380 process_otr (abfd, otr, pass)
 381      bfd *abfd;
 382      struct ext_otr *otr;
 383      int pass;
 384 {
 385   unsigned long shift;
 386   unsigned char *srcp = otr->data;
 387   unsigned char *endp = (unsigned char *) otr + otr->size;
 388   unsigned int bits = (otr->map[0] << 24)
 389   | (otr->map[1] << 16)
 390   | (otr->map[2] << 8)
 391   | (otr->map[3] << 0);
 392
 393   struct esdid *esdid = &EDATA (abfd, otr->esdid - 1);
 394   unsigned char *contents = esdid->contents;
 395   int need_contents = 0;
 396   unsigned int dst_idx = esdid->pc;
 397
 398   for (shift = (1 << 31); shift && srcp < endp; shift >>= 1)
 399     {
 400       if (bits & shift)
 401         {
 402           int flag = *srcp++;
 403           int esdids = (flag >> 5) & 0x7;
 404           int sizeinwords = ((flag >> 3) & 1) ? 2 : 1;
 405           int offsetlen = flag & 0x7;
 406           int j;
 407
 408
 409           if (esdids == 0)
 410             {
 411               /* A zero esdid means the new pc is the offset given */
 412               dst_idx += get_offset (offsetlen, srcp);
 413               srcp += offsetlen;
 414             }
 415           else
 416             {
 417               int val = get_offset (offsetlen, srcp + esdids);
 418               if (pass == 1)
 419                 need_contents = 1;
 420               else
 421                 for (j = 0; j < sizeinwords * 2; j++)
 422                   {
 423                     contents[dst_idx + (sizeinwords * 2) - j - 1] = val;
 424                     val >>= 8;
 425                   }
 426
 427               for (j = 0; j < esdids; j++)
 428                 {
 429                   int esdid = *srcp++;
 430
 431                   if (esdid)
 432                     {
 433                       int rn = EDATA (abfd, otr->esdid - 1).relocs++;
 434                       if (pass == 1)
 435                         {
 436                           /* this is the first pass over the data,
 437                              just remember that we need a reloc */
 438                         }
 439                       else
 440                         {
 441                           arelent *n =
 442                           EDATA (abfd, otr->esdid - 1).section->relocation + rn;
 443                           n->address = dst_idx;
 444
 445                           n->sym_ptr_ptr = (asymbol **) esdid;
 446                           n->addend = 0;
 447                           n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1);
 448                         }
 449                     }
 450                 }
 451               srcp += offsetlen;
 452               dst_idx += sizeinwords * 2;
 453             }
 454         }
 455       else
 456         {
 457           need_contents = 1;
 458           if (dst_idx < esdid->section->_raw_size)
 459             if (pass == 2)
 460               {
 461                 /* absolute code, comes in 16 bit lumps */
 462                 contents[dst_idx] = srcp[0];
 463                 contents[dst_idx + 1] = srcp[1];
 464               }
 465           dst_idx += 2;
 466           srcp += 2;
 467         }
 468     }
 469   EDATA (abfd, otr->esdid - 1).pc = dst_idx;
 470
 471   if (!contents && need_contents)
 472     esdid->contents = (unsigned char *) bfd_alloc (abfd, esdid->section->_raw_size);
 473
 474
 475 }
 476
 477 static boolean
 478 versados_scan (abfd)
 479      bfd *abfd;
 480 {
 481   int loop = 1;
 482   int i;
 483   int j;
 484   int nsecs = 0;
 485
 486   VDATA (abfd)->nrefs = 0;
 487   VDATA (abfd)->ndefs = 0;
 488   VDATA (abfd)->ref_idx = 0;
 489   VDATA (abfd)->def_idx = 0;
 490
 491   while (loop)
 492     {
 493       union ext_any any;
 494       if (!get_record (abfd, &any))
 495         return true;
 496       switch (any.header.type)
 497         {
 498         case VHEADER:
 499           break;
 500         case VEND:
 501           loop = 0;
 502           break;
 503         case VESTDEF:
 504           process_esd (abfd, &any.esd, 1);
 505           break;
 506         case VOTR:
 507           process_otr (abfd, &any.otr, 1);
 508           break;
 509         }
 510     }
 511
 512   /* Now allocate space for the relocs and sections */
 513
 514   VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx;
 515   VDATA (abfd)->ndefs = VDATA (abfd)->def_idx;
 516   VDATA (abfd)->ref_idx = 0;
 517   VDATA (abfd)->def_idx = 0;
 518
 519   abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs;
 520
 521   for (i = 0; i < 16; i++)
 522     {
 523       struct esdid *esdid = &EDATA (abfd, i);
 524       if (esdid->section)
 525         {
 526           esdid->section->relocation
 527             = (arelent *) bfd_alloc (abfd, sizeof (arelent) * esdid->relocs);
 528
 529           esdid->pc = 0;
 530
 531           if (esdid->contents)
 532             esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD;
 533
 534           esdid->section->reloc_count = esdid->relocs;
 535           if (esdid->relocs)
 536             esdid->section->flags |= SEC_RELOC;
 537
 538           esdid->relocs = 0;
 539
 540           /* Add an entry into the symbol table for it */
 541           nsecs++;
 542           VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1;
 543         }
 544     }
 545
 546   abfd->symcount += nsecs;
 547
 548   VDATA (abfd)->symbols = (asymbol *) bfd_alloc (abfd,
 549                                        sizeof (asymbol) * (abfd->symcount));
 550
 551   VDATA (abfd)->strings = bfd_alloc (abfd, VDATA (abfd)->stringlen);
 552
 553   if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0)
 554       || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0))
 555     return false;
 556
 557   /* Actually fill in the section symbols,
 558      we stick them at the end of the table */
 559
 560   for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++)
 561     {
 562       struct esdid *esdid = &EDATA (abfd, i);
 563       asection *sec = esdid->section;
 564       if (sec)
 565         {
 566           asymbol *s = VDATA (abfd)->symbols + j;
 567           s->name = new_symbol_string (abfd, sec->name);
 568           s->section = sec;
 569           s->flags = BSF_LOCAL;
 570           s->value = 0;
 571           s->the_bfd = abfd;
 572           j++;
 573         }
 574     }
 575   if (abfd->symcount)
 576     abfd->flags |= HAS_SYMS;
 577
 578   /* Set this to nsecs - since we've already planted the section
 579      symbols */
 580   VDATA (abfd)->nsecsyms = nsecs;
 581
 582   VDATA (abfd)->ref_idx = 0;
 583
 584   return 1;
 585 }
 586
 587
 588
 589 /* Check whether an existing file is a versados  file.  */
 590
 591 static const bfd_target *
 592 versados_object_p (abfd)
 593      bfd *abfd;
 594 {
 595   struct ext_vheader ext;
 596   unsigned char len;
 597
 598   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
 599     return NULL;
 600
 601   if (bfd_read (&len, 1, 1, abfd) != 1)
 602     {
 603       if (bfd_get_error () != bfd_error_system_call)
 604         bfd_set_error (bfd_error_wrong_format);
 605       return NULL;
 606     }
 607
 608   if (bfd_read (&ext.type, 1, len, abfd) != len)
 609     {
 610       if (bfd_get_error () != bfd_error_system_call)
 611         bfd_set_error (bfd_error_wrong_format);
 612       return NULL;
 613     }
 614
 615   /* We guess that the language field will never be larger than 10.
 616      In sample files, it is always either 0 or 1.  Checking for this
 617      prevents confusion with Intel Hex files.  */
 618   if (ext.type != VHEADER
 619       || ext.lang > 10)
 620     {
 621       bfd_set_error (bfd_error_wrong_format);
 622       return NULL;
 623     }
 624
 625   /* OK, looks like a record, build the tdata and read in.  */
 626
 627   if (!versados_mkobject (abfd)
 628       || !versados_scan (abfd))
 629     return NULL;
 630
 631   return abfd->xvec;
 632 }
 633
 634
 635 static boolean
 636 versados_pass_2 (abfd)
 637      bfd *abfd;
 638 {
 639   union ext_any any;
 640
 641   if (VDATA (abfd)->pass_2_done)
 642     return 1;
 643
 644   if (bfd_seek (abfd, 0, SEEK_SET) != 0)
 645     return 0;
 646
 647   VDATA (abfd)->es_done = ES_BASE;
 648
 649
 650   /* read records till we get to where we want to be */
 651
 652   while (1)
 653     {
 654       get_record (abfd, &any);
 655       switch (any.header.type)
 656         {
 657         case VEND:
 658           VDATA (abfd)->pass_2_done = 1;
 659           return 1;
 660         case VESTDEF:
 661           process_esd (abfd, &any.esd, 2);
 662           break;
 663         case VOTR:
 664           process_otr (abfd, &any.otr, 2);
 665           break;
 666         }
 667     }
 668 }
 669
 670 static boolean
 671 versados_get_section_contents (abfd, section, location, offset, count)
 672      bfd *abfd;
 673      asection *section;
 674      PTR location;
 675      file_ptr offset;
 676      bfd_size_type count;
 677 {
 678   if (!versados_pass_2 (abfd))
 679     return false;
 680
 681   memcpy (location,
 682           EDATA (abfd, section->target_index).contents + offset,
 683           (size_t) count);
 684
 685   return true;
 686 }
 687
 688 #define versados_get_section_contents_in_window \
 689   _bfd_generic_get_section_contents_in_window
 690
 691 static boolean
 692 versados_set_section_contents (abfd, section, location, offset, bytes_to_do)
 693      bfd *abfd;
 694      sec_ptr section;
 695      PTR location;
 696      file_ptr offset;
 697      bfd_size_type bytes_to_do;
 698 {
 699   return false;
 700 }
 701
 702
 703 /*ARGSUSED */
 704 static int
 705 versados_sizeof_headers (abfd, exec)
 706      bfd *abfd;
 707      boolean exec;
 708 {
 709   return 0;
 710 }
 711
 712 static asymbol *
 713 versados_make_empty_symbol (abfd)
 714      bfd *abfd;
 715 {
 716   asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
 717   if (new)
 718     new->the_bfd = abfd;
 719   return new;
 720 }
 721
 722 /* Return the amount of memory needed to read the symbol table.  */
 723
 724 static long
 725 versados_get_symtab_upper_bound (abfd)
 726      bfd *abfd;
 727 {
 728   return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *);
 729 }
 730
 731 /* Return the symbol table.  */
 732
 733 static long
 734 versados_get_symtab (abfd, alocation)
 735      bfd *abfd;
 736      asymbol **alocation;
 737 {
 738   unsigned int symcount = bfd_get_symcount (abfd);
 739   unsigned int i;
 740   asymbol *s;
 741
 742   versados_pass_2 (abfd);
 743
 744   for (i = 0, s = VDATA (abfd)->symbols;
 745        i < symcount;
 746        s++, i++)
 747     {
 748       *alocation++ = s;
 749     }
 750
 751   *alocation = NULL;
 752
 753   return symcount;
 754 }
 755
 756 /*ARGSUSED */
 757 void
 758 versados_get_symbol_info (ignore_abfd, symbol, ret)
 759      bfd *ignore_abfd;
 760      asymbol *symbol;
 761      symbol_info *ret;
 762 {
 763   bfd_symbol_info (symbol, ret);
 764 }
 765
 766 /*ARGSUSED */
 767 void
 768 versados_print_symbol (ignore_abfd, afile, symbol, how)
 769      bfd *ignore_abfd;
 770      PTR afile;
 771      asymbol *symbol;
 772      bfd_print_symbol_type how;
 773 {
 774   FILE *file = (FILE *) afile;
 775   switch (how)
 776     {
 777     case bfd_print_symbol_name:
 778       fprintf (file, "%s", symbol->name);
 779       break;
 780     default:
 781       bfd_print_symbol_vandf ((PTR) file, symbol);
 782       fprintf (file, " %-5s %s",
 783                symbol->section->name,
 784                symbol->name);
 785
 786     }
 787 }
 788
 789 long
 790 versados_get_reloc_upper_bound (abfd, asect)
 791      bfd *abfd;
 792      sec_ptr asect;
 793 {
 794   return (asect->reloc_count + 1) * sizeof (arelent *);
 795 }
 796
 797
 798 long
 799 versados_canonicalize_reloc (abfd, section, relptr, symbols)
 800      bfd *abfd;
 801      sec_ptr section;
 802      arelent **relptr;
 803      asymbol **symbols;
 804 {
 805   unsigned int count;
 806   arelent *src;
 807
 808   versados_pass_2 (abfd);
 809   src = section->relocation;
 810   if (!EDATA (abfd, section->target_index).donerel)
 811     {
 812       EDATA (abfd, section->target_index).donerel = 1;
 813       /* translate from indexes to symptr ptrs */
 814       for (count = 0; count < section->reloc_count; count++)
 815         {
 816           int esdid = (int) src[count].sym_ptr_ptr;
 817
 818           if (esdid == 0)
 819             {
 820               src[count].sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
 821             }
 822           else if (esdid < ES_BASE)     /* Section relative thing */
 823             {
 824               struct esdid *e = &EDATA (abfd, esdid - 1);
 825               if (!section)
 826                 {
 827                  /** relocation relative to section which was
 828                    never declared ! */
 829                 }
 830               src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr;
 831             }
 832           else
 833             {
 834               src[count].sym_ptr_ptr = symbols + esdid - ES_BASE;
 835             }
 836
 837         }
 838     }
 839
 840   for (count = 0; count < section->reloc_count; count++)
 841     {
 842       *relptr++ = src++;
 843     }
 844   *relptr = 0;
 845   return section->reloc_count;
 846 }
 847
 848 #define versados_close_and_cleanup _bfd_generic_close_and_cleanup
 849 #define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
 850 #define versados_new_section_hook _bfd_generic_new_section_hook
 851
 852 #define versados_bfd_is_local_label_name bfd_generic_is_local_label_name
 853 #define versados_get_lineno _bfd_nosymbols_get_lineno
 854 #define versados_find_nearest_line _bfd_nosymbols_find_nearest_line
 855 #define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
 856 #define versados_read_minisymbols _bfd_generic_read_minisymbols
 857 #define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
 858
 859 #define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
 860
 861 #define versados_set_arch_mach bfd_default_set_arch_mach
 862
 863 #define versados_bfd_get_relocated_section_contents \
 864   bfd_generic_get_relocated_section_contents
 865 #define versados_bfd_relax_section bfd_generic_relax_section
 866 #define versados_bfd_gc_sections bfd_generic_gc_sections
 867 #define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
 868 #define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols
 869 #define versados_bfd_final_link _bfd_generic_final_link
 870 #define versados_bfd_link_split_section _bfd_generic_link_split_section
 871
 872 const bfd_target versados_vec =
 873 {
 874   "versados",                   /* name */
 875   bfd_target_versados_flavour,
 876   BFD_ENDIAN_BIG,               /* target byte order */
 877   BFD_ENDIAN_BIG,               /* target headers byte order */
 878   (HAS_RELOC | EXEC_P |         /* object flags */
 879    HAS_LINENO | HAS_DEBUG |
 880    HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
 881   (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
 882    | SEC_ALLOC | SEC_LOAD | SEC_RELOC),         /* section flags */
 883   0,                            /* leading underscore */
 884   ' ',                          /* ar_pad_char */
 885   16,                           /* ar_max_namelen */
 886   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 887   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 888   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* data */
 889   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 890   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 891   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* hdrs */
 892
 893   {
 894     _bfd_dummy_target,
 895     versados_object_p,          /* bfd_check_format */
 896     _bfd_dummy_target,
 897     _bfd_dummy_target,
 898   },
 899   {
 900     bfd_false,
 901     versados_mkobject,
 902     _bfd_generic_mkarchive,
 903     bfd_false,
 904   },
 905   {                             /* bfd_write_contents */
 906     bfd_false,
 907     bfd_false,
 908     _bfd_write_archive_contents,
 909     bfd_false,
 910   },
 911
 912   BFD_JUMP_TABLE_GENERIC (versados),
 913   BFD_JUMP_TABLE_COPY (_bfd_generic),
 914   BFD_JUMP_TABLE_CORE (_bfd_nocore),
 915   BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
 916   BFD_JUMP_TABLE_SYMBOLS (versados),
 917   BFD_JUMP_TABLE_RELOCS (versados),
 918   BFD_JUMP_TABLE_WRITE (versados),
 919   BFD_JUMP_TABLE_LINK (versados),
 920   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 921
 922   (PTR) 0
 923 };