bfd/versados.c

   1 /* BFD back-end for VERSAdos-E objects.
   2    Copyright 1995, 1996, 1998, 1999, 2000, 2001 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 static asymbol *versados_new_symbol PARAMS ((bfd *, int, const char *, bfd_vma, asection *));
  50 static char *new_symbol_string PARAMS ((bfd *, char *));
  51 static const bfd_target *versados_object_p PARAMS ((bfd *));
  52 static boolean versados_pass_2 PARAMS ((bfd *));
  53 static boolean versados_get_section_contents
  54   PARAMS ((bfd *, asection *, void *, file_ptr, bfd_size_type));
  55 static boolean versados_set_section_contents
  56   PARAMS ((bfd *, sec_ptr, void *, file_ptr, bfd_size_type));
  57 static int versados_sizeof_headers PARAMS ((bfd *, boolean));
  58 static asymbol *versados_make_empty_symbol PARAMS ((bfd *));
  59 static long int versados_get_symtab_upper_bound PARAMS ((bfd *));
  60 static long int versados_get_symtab PARAMS ((bfd *, asymbol **));
  61
  62 #define VHEADER '1'
  63 #define VESTDEF '2'
  64 #define VOTR '3'
  65 #define VEND '4'
  66
  67 #define ES_BASE 17              /* first symbol has esdid 17 */
  68
  69 /* Per file target dependent information */
  70
  71 /* one for each section */
  72 struct esdid
  73   {
  74     asection *section;          /* ptr to bfd version */
  75     unsigned char *contents;    /* used to build image */
  76     int pc;
  77     int relocs;                 /* reloc count, valid end of pass 1 */
  78     int donerel;                /* have relocs been translated */
  79   };
  80
  81 typedef struct versados_data_struct
  82   {
  83     int es_done;                /* count of symbol index, starts at ES_BASE */
  84     asymbol *symbols;           /* pointer to local symbols */
  85     char *strings;              /* strings of all the above */
  86     int stringlen;              /* len of string table (valid end of pass1) */
  87     int nsecsyms;               /* number of sections */
  88
  89     int ndefs;                  /* number of exported symbols (they dont get esdids) */
  90     int nrefs;                  /* number of imported symbols  (valid end of pass1) */
  91
  92     int ref_idx;                /* current processed value of the above */
  93     int def_idx;
  94
  95     int pass_2_done;
  96
  97     struct esdid e[16];         /* per section info */
  98     int alert;                  /* to see if we're trampling */
  99     asymbol *rest[256 - 16];    /* per symbol info */
 100
 101   }
 102 tdata_type;
 103
 104 #define VDATA(abfd)       (abfd->tdata.versados_data)
 105 #define EDATA(abfd, n)    (abfd->tdata.versados_data->e[n])
 106 #define RDATA(abfd, n)    (abfd->tdata.versados_data->rest[n])
 107
 108 struct ext_otr
 109   {
 110     unsigned char size;
 111     char type;
 112     unsigned char map[4];
 113     unsigned char esdid;
 114     unsigned char data[200];
 115   };
 116
 117 struct ext_vheader
 118   {
 119     unsigned char size;
 120     char type;                  /* record type */
 121     char name[10];              /* module name */
 122     char rev;                   /* module rev number */
 123     char lang;
 124     char vol[4];
 125     char user[2];
 126     char cat[8];
 127     char fname[8];
 128     char ext[2];
 129     char time[3];
 130     char date[3];
 131     char rest[211];
 132   };
 133
 134 struct ext_esd
 135   {
 136     unsigned char size;
 137     char type;
 138     unsigned char esd_entries[1];
 139   };
 140 #define ESD_ABS         0
 141 #define ESD_COMMON      1
 142 #define ESD_STD_REL_SEC 2
 143 #define ESD_SHRT_REL_SEC 3
 144 #define ESD_XDEF_IN_SEC 4
 145 #define ESD_XREF_SYM    7
 146 #define ESD_XREF_SEC    6
 147 #define ESD_XDEF_IN_ABS 5
 148 union ext_any
 149   {
 150     unsigned char size;
 151     struct ext_vheader header;
 152     struct ext_esd esd;
 153     struct ext_otr otr;
 154   };
 155
 156 static int get_record PARAMS ((bfd *, union ext_any *));
 157 static int get_4 PARAMS ((unsigned char **));
 158 static void get_10 PARAMS ((unsigned char **, char *));
 159 static void process_esd PARAMS ((bfd *, struct ext_esd *, int));
 160 static int get_offset PARAMS ((int, unsigned char *));
 161 static void process_otr PARAMS ((bfd *, struct ext_otr *, int));
 162
 163 /* Initialize by filling in the hex conversion array.  */
 164
 165 /* Set up the tdata information.  */
 166
 167 static boolean
 168 versados_mkobject (abfd)
 169      bfd *abfd;
 170 {
 171   if (abfd->tdata.versados_data == NULL)
 172     {
 173       tdata_type *tdata = (tdata_type *) bfd_alloc (abfd, sizeof (tdata_type));
 174       if (tdata == NULL)
 175         return false;
 176       abfd->tdata.versados_data = tdata;
 177       tdata->symbols = NULL;
 178       VDATA (abfd)->alert = 0x12345678;
 179     }
 180
 181   bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
 182   return true;
 183 }
 184
 185 /* Report a problem in an S record file.  FIXME: This probably should
 186    not call fprintf, but we really do need some mechanism for printing
 187    error messages.  */
 188
 189 static asymbol *
 190 versados_new_symbol (abfd, snum, name, val, sec)
 191      bfd *abfd;
 192      int snum;
 193      const char *name;
 194      bfd_vma val;
 195      asection *sec;
 196 {
 197   asymbol *n = VDATA (abfd)->symbols + snum;
 198   n->name = name;
 199   n->value = val;
 200   n->section = sec;
 201   n->the_bfd = abfd;
 202   n->flags = 0;
 203   return n;
 204 }
 205
 206 static int
 207 get_record (abfd, ptr)
 208      bfd *abfd;
 209      union ext_any *ptr;
 210 {
 211   bfd_read (&ptr->size, 1, 1, abfd);
 212   if (bfd_read ((char *) ptr + 1, 1, ptr->size, abfd) != ptr->size)
 213     return 0;
 214   return 1;
 215 }
 216
 217 static int
 218 get_4 (pp)
 219      unsigned char **pp;
 220 {
 221   unsigned char *p = *pp;
 222   *pp += 4;
 223   return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0);
 224 }
 225
 226 static void
 227 get_10 (pp, name)
 228      unsigned char **pp;
 229      char *name;
 230 {
 231   char *p = (char *) *pp;
 232   int len = 10;
 233   *pp += len;
 234   while (*p != ' '
 235          && len)
 236     {
 237       *name++ = *p++;
 238       len--;
 239     }
 240   *name = 0;
 241 }
 242
 243 static char *
 244 new_symbol_string (abfd, name)
 245      bfd *abfd;
 246      char *name;
 247 {
 248   char *n = VDATA (abfd)->strings;
 249   strcpy (VDATA (abfd)->strings, name);
 250   VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1;
 251   return n;
 252 }
 253
 254 static void
 255 process_esd (abfd, esd, pass)
 256      bfd *abfd;
 257      struct ext_esd *esd;
 258      int pass;
 259 {
 260   /* Read through the ext def for the est entries */
 261   int togo = esd->size - 2;
 262   bfd_vma size;
 263   bfd_vma start;
 264   asection *sec;
 265   char name[11];
 266   unsigned char *ptr = esd->esd_entries;
 267   unsigned char *end = ptr + togo;
 268   while (ptr < end)
 269     {
 270       int scn = *ptr & 0xf;
 271       int typ = (*ptr >> 4) & 0xf;
 272
 273       /* Declare this section */
 274       sprintf (name, "%d", scn);
 275       sec = bfd_make_section_old_way (abfd, strdup (name));
 276       sec->target_index = scn;
 277       EDATA (abfd, scn).section = sec;
 278       ptr++;
 279       switch (typ)
 280         {
 281         default:
 282           abort ();
 283         case ESD_XREF_SEC:
 284         case ESD_XREF_SYM:
 285           {
 286             int snum = VDATA (abfd)->ref_idx++;
 287             get_10 (&ptr, name);
 288             if (pass == 1)
 289               {
 290                 VDATA (abfd)->stringlen += strlen (name) + 1;
 291               }
 292             else
 293               {
 294                 int esidx;
 295                 asymbol *s;
 296                 char *n = new_symbol_string (abfd, name);
 297                 s = versados_new_symbol (abfd, snum, n, 0,
 298                                          &bfd_und_section);
 299                 esidx = VDATA (abfd)->es_done++;
 300                 RDATA (abfd, esidx - ES_BASE) = s;
 301               }
 302           }
 303           break;
 304
 305         case ESD_ABS:
 306           size = get_4 (&ptr);
 307           start = get_4 (&ptr);
 308           break;
 309         case ESD_STD_REL_SEC:
 310         case ESD_SHRT_REL_SEC:
 311           {
 312             sec->_raw_size = get_4 (&ptr);
 313             sec->flags |= SEC_ALLOC;
 314           }
 315           break;
 316         case ESD_XDEF_IN_ABS:
 317           sec = (asection *) & bfd_abs_section;
 318         case ESD_XDEF_IN_SEC:
 319           {
 320             int snum = VDATA (abfd)->def_idx++;
 321             long val;
 322             get_10 (&ptr, name);
 323             val = get_4 (&ptr);
 324             if (pass == 1)
 325               {
 326                 /* Just remember the symbol */
 327                 VDATA (abfd)->stringlen += strlen (name) + 1;
 328               }
 329             else
 330               {
 331                 asymbol *s;
 332                 char *n = new_symbol_string (abfd, name);
 333                 s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, val, sec);
 334                 s->flags |= BSF_GLOBAL;
 335               }
 336           }
 337           break;
 338         }
 339     }
 340 }
 341
 342 #define R_RELWORD 1
 343 #define R_RELLONG 2
 344 #define R_RELWORD_NEG 3
 345 #define R_RELLONG_NEG 4
 346
 347 reloc_howto_type versados_howto_table[] =
 348 {
 349   HOWTO (R_RELWORD, 0, 1, 16, false,
 350          0, complain_overflow_dont, 0,
 351          "+v16", true, 0x0000ffff, 0x0000ffff, false),
 352   HOWTO (R_RELLONG, 0, 2, 32, false,
 353          0, complain_overflow_dont, 0,
 354          "+v32", true, 0xffffffff, 0xffffffff, false),
 355
 356   HOWTO (R_RELWORD_NEG, 0, -1, 16, false,
 357          0, complain_overflow_dont, 0,
 358          "-v16", true, 0x0000ffff, 0x0000ffff, false),
 359   HOWTO (R_RELLONG_NEG, 0, -2, 32, false,
 360          0, complain_overflow_dont, 0,
 361          "-v32", true, 0xffffffff, 0xffffffff, false),
 362 };
 363
 364 static int
 365 get_offset (len, ptr)
 366      int len;
 367      unsigned char *ptr;
 368 {
 369   int val = 0;
 370   if (len)
 371     {
 372       int i;
 373       val = *ptr++;
 374       if (val & 0x80)
 375         val |= ~0xff;
 376       for (i = 1; i < len; i++)
 377         val = (val << 8) | *ptr++;
 378     }
 379
 380   return val;
 381 }
 382
 383 static void
 384 process_otr (abfd, otr, pass)
 385      bfd *abfd;
 386      struct ext_otr *otr;
 387      int pass;
 388 {
 389   unsigned long shift;
 390   unsigned char *srcp = otr->data;
 391   unsigned char *endp = (unsigned char *) otr + otr->size;
 392   unsigned int bits = (otr->map[0] << 24)
 393   | (otr->map[1] << 16)
 394   | (otr->map[2] << 8)
 395   | (otr->map[3] << 0);
 396
 397   struct esdid *esdid = &EDATA (abfd, otr->esdid - 1);
 398   unsigned char *contents = esdid->contents;
 399   int need_contents = 0;
 400   unsigned int dst_idx = esdid->pc;
 401
 402   for (shift = (1 << 31); shift && srcp < endp; shift >>= 1)
 403     {
 404       if (bits & shift)
 405         {
 406           int flag = *srcp++;
 407           int esdids = (flag >> 5) & 0x7;
 408           int sizeinwords = ((flag >> 3) & 1) ? 2 : 1;
 409           int offsetlen = flag & 0x7;
 410           int j;
 411
 412           if (esdids == 0)
 413             {
 414               /* A zero esdid means the new pc is the offset given */
 415               dst_idx += get_offset (offsetlen, srcp);
 416               srcp += offsetlen;
 417             }
 418           else
 419             {
 420               int val = get_offset (offsetlen, srcp + esdids);
 421               if (pass == 1)
 422                 need_contents = 1;
 423               else
 424                 for (j = 0; j < sizeinwords * 2; j++)
 425                   {
 426                     contents[dst_idx + (sizeinwords * 2) - j - 1] = val;
 427                     val >>= 8;
 428                   }
 429
 430               for (j = 0; j < esdids; j++)
 431                 {
 432                   int esdid = *srcp++;
 433
 434                   if (esdid)
 435                     {
 436                       int rn = EDATA (abfd, otr->esdid - 1).relocs++;
 437                       if (pass == 1)
 438                         {
 439                           /* this is the first pass over the data,
 440                              just remember that we need a reloc */
 441                         }
 442                       else
 443                         {
 444                           arelent *n =
 445                           EDATA (abfd, otr->esdid - 1).section->relocation + rn;
 446                           n->address = dst_idx;
 447
 448                           n->sym_ptr_ptr = (asymbol **) esdid;
 449                           n->addend = 0;
 450                           n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1);
 451                         }
 452                     }
 453                 }
 454               srcp += offsetlen;
 455               dst_idx += sizeinwords * 2;
 456             }
 457         }
 458       else
 459         {
 460           need_contents = 1;
 461           if (dst_idx < esdid->section->_raw_size)
 462             if (pass == 2)
 463               {
 464                 /* absolute code, comes in 16 bit lumps */
 465                 contents[dst_idx] = srcp[0];
 466                 contents[dst_idx + 1] = srcp[1];
 467               }
 468           dst_idx += 2;
 469           srcp += 2;
 470         }
 471     }
 472   EDATA (abfd, otr->esdid - 1).pc = dst_idx;
 473
 474   if (!contents && need_contents)
 475     esdid->contents = (unsigned char *) bfd_alloc (abfd, esdid->section->_raw_size);
 476
 477 }
 478
 479 static boolean
 480 versados_scan (abfd)
 481      bfd *abfd;
 482 {
 483   int loop = 1;
 484   int i;
 485   int j;
 486   int nsecs = 0;
 487
 488   VDATA (abfd)->stringlen = 0;
 489   VDATA (abfd)->nrefs = 0;
 490   VDATA (abfd)->ndefs = 0;
 491   VDATA (abfd)->ref_idx = 0;
 492   VDATA (abfd)->def_idx = 0;
 493   VDATA (abfd)->pass_2_done = 0;
 494
 495   while (loop)
 496     {
 497       union ext_any any;
 498       if (!get_record (abfd, &any))
 499         return true;
 500       switch (any.header.type)
 501         {
 502         case VHEADER:
 503           break;
 504         case VEND:
 505           loop = 0;
 506           break;
 507         case VESTDEF:
 508           process_esd (abfd, &any.esd, 1);
 509           break;
 510         case VOTR:
 511           process_otr (abfd, &any.otr, 1);
 512           break;
 513         }
 514     }
 515
 516   /* Now allocate space for the relocs and sections */
 517
 518   VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx;
 519   VDATA (abfd)->ndefs = VDATA (abfd)->def_idx;
 520   VDATA (abfd)->ref_idx = 0;
 521   VDATA (abfd)->def_idx = 0;
 522
 523   abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs;
 524
 525   for (i = 0; i < 16; i++)
 526     {
 527       struct esdid *esdid = &EDATA (abfd, i);
 528       if (esdid->section)
 529         {
 530           esdid->section->relocation
 531             = (arelent *) bfd_alloc (abfd, sizeof (arelent) * esdid->relocs);
 532
 533           esdid->pc = 0;
 534
 535           if (esdid->contents)
 536             esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD;
 537
 538           esdid->section->reloc_count = esdid->relocs;
 539           if (esdid->relocs)
 540             esdid->section->flags |= SEC_RELOC;
 541
 542           esdid->relocs = 0;
 543
 544           /* Add an entry into the symbol table for it */
 545           nsecs++;
 546           VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1;
 547         }
 548     }
 549
 550   abfd->symcount += nsecs;
 551
 552   VDATA (abfd)->symbols = (asymbol *) bfd_alloc (abfd,
 553                                        sizeof (asymbol) * (abfd->symcount));
 554
 555   VDATA (abfd)->strings = bfd_alloc (abfd, VDATA (abfd)->stringlen);
 556
 557   if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0)
 558       || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0))
 559     return false;
 560
 561   /* Actually fill in the section symbols,
 562      we stick them at the end of the table */
 563
 564   for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++)
 565     {
 566       struct esdid *esdid = &EDATA (abfd, i);
 567       asection *sec = esdid->section;
 568       if (sec)
 569         {
 570           asymbol *s = VDATA (abfd)->symbols + j;
 571           s->name = new_symbol_string (abfd, sec->name);
 572           s->section = sec;
 573           s->flags = BSF_LOCAL;
 574           s->value = 0;
 575           s->the_bfd = abfd;
 576           j++;
 577         }
 578     }
 579   if (abfd->symcount)
 580     abfd->flags |= HAS_SYMS;
 581
 582   /* Set this to nsecs - since we've already planted the section
 583      symbols */
 584   VDATA (abfd)->nsecsyms = nsecs;
 585
 586   VDATA (abfd)->ref_idx = 0;
 587
 588   return 1;
 589 }
 590
 591 /* Check whether an existing file is a versados  file.  */
 592
 593 static const bfd_target *
 594 versados_object_p (abfd)
 595      bfd *abfd;
 596 {
 597   struct ext_vheader ext;
 598   unsigned char len;
 599
 600   if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
 601     return NULL;
 602
 603   if (bfd_read (&len, 1, 1, abfd) != 1)
 604     {
 605       if (bfd_get_error () != bfd_error_system_call)
 606         bfd_set_error (bfd_error_wrong_format);
 607       return NULL;
 608     }
 609
 610   if (bfd_read (&ext.type, 1, len, abfd) != len)
 611     {
 612       if (bfd_get_error () != bfd_error_system_call)
 613         bfd_set_error (bfd_error_wrong_format);
 614       return NULL;
 615     }
 616
 617   /* We guess that the language field will never be larger than 10.
 618      In sample files, it is always either 0 or 1.  Checking for this
 619      prevents confusion with Intel Hex files.  */
 620   if (ext.type != VHEADER
 621       || ext.lang > 10)
 622     {
 623       bfd_set_error (bfd_error_wrong_format);
 624       return NULL;
 625     }
 626
 627   /* OK, looks like a record, build the tdata and read in.  */
 628
 629   if (!versados_mkobject (abfd)
 630       || !versados_scan (abfd))
 631     return NULL;
 632
 633   return abfd->xvec;
 634 }
 635
 636 static boolean
 637 versados_pass_2 (abfd)
 638      bfd *abfd;
 639 {
 640   union ext_any any;
 641
 642   if (VDATA (abfd)->pass_2_done)
 643     return 1;
 644
 645   if (bfd_seek (abfd, 0, SEEK_SET) != 0)
 646     return 0;
 647
 648   VDATA (abfd)->es_done = ES_BASE;
 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 ATTRIBUTE_UNUSED;
 694      sec_ptr section ATTRIBUTE_UNUSED;
 695      PTR location ATTRIBUTE_UNUSED;
 696      file_ptr offset ATTRIBUTE_UNUSED;
 697      bfd_size_type bytes_to_do ATTRIBUTE_UNUSED;
 698 {
 699   return false;
 700 }
 701
 702 static int
 703 versados_sizeof_headers (abfd, exec)
 704      bfd *abfd ATTRIBUTE_UNUSED;
 705      boolean exec ATTRIBUTE_UNUSED;
 706 {
 707   return 0;
 708 }
 709
 710 static asymbol *
 711 versados_make_empty_symbol (abfd)
 712      bfd *abfd;
 713 {
 714   asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
 715   if (new)
 716     new->the_bfd = abfd;
 717   return new;
 718 }
 719
 720 /* Return the amount of memory needed to read the symbol table.  */
 721
 722 static long
 723 versados_get_symtab_upper_bound (abfd)
 724      bfd *abfd;
 725 {
 726   return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *);
 727 }
 728
 729 /* Return the symbol table.  */
 730
 731 static long
 732 versados_get_symtab (abfd, alocation)
 733      bfd *abfd;
 734      asymbol **alocation;
 735 {
 736   unsigned int symcount = bfd_get_symcount (abfd);
 737   unsigned int i;
 738   asymbol *s;
 739
 740   versados_pass_2 (abfd);
 741
 742   for (i = 0, s = VDATA (abfd)->symbols;
 743        i < symcount;
 744        s++, i++)
 745     {
 746       *alocation++ = s;
 747     }
 748
 749   *alocation = NULL;
 750
 751   return symcount;
 752 }
 753
 754 void
 755 versados_get_symbol_info (ignore_abfd, symbol, ret)
 756      bfd *ignore_abfd ATTRIBUTE_UNUSED;
 757      asymbol *symbol;
 758      symbol_info *ret;
 759 {
 760   bfd_symbol_info (symbol, ret);
 761 }
 762
 763 void
 764 versados_print_symbol (abfd, afile, symbol, how)
 765      bfd *abfd;
 766      PTR afile;
 767      asymbol *symbol;
 768      bfd_print_symbol_type how;
 769 {
 770   FILE *file = (FILE *) afile;
 771   switch (how)
 772     {
 773     case bfd_print_symbol_name:
 774       fprintf (file, "%s", symbol->name);
 775       break;
 776     default:
 777       bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
 778       fprintf (file, " %-5s %s",
 779                symbol->section->name,
 780                symbol->name);
 781
 782     }
 783 }
 784
 785 long
 786 versados_get_reloc_upper_bound (abfd, asect)
 787      bfd *abfd ATTRIBUTE_UNUSED;
 788      sec_ptr asect;
 789 {
 790   return (asect->reloc_count + 1) * sizeof (arelent *);
 791 }
 792
 793 long
 794 versados_canonicalize_reloc (abfd, section, relptr, symbols)
 795      bfd *abfd;
 796      sec_ptr section;
 797      arelent **relptr;
 798      asymbol **symbols;
 799 {
 800   unsigned int count;
 801   arelent *src;
 802
 803   versados_pass_2 (abfd);
 804   src = section->relocation;
 805   if (!EDATA (abfd, section->target_index).donerel)
 806     {
 807       EDATA (abfd, section->target_index).donerel = 1;
 808       /* translate from indexes to symptr ptrs */
 809       for (count = 0; count < section->reloc_count; count++)
 810         {
 811           int esdid = (int) src[count].sym_ptr_ptr;
 812
 813           if (esdid == 0)
 814             {
 815               src[count].sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
 816             }
 817           else if (esdid < ES_BASE)     /* Section relative thing */
 818             {
 819               struct esdid *e = &EDATA (abfd, esdid - 1);
 820               if (!section)
 821                 {
 822                  /** relocation relative to section which was
 823                    never declared ! */
 824                 }
 825               src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr;
 826             }
 827           else
 828             {
 829               src[count].sym_ptr_ptr = symbols + esdid - ES_BASE;
 830             }
 831
 832         }
 833     }
 834
 835   for (count = 0; count < section->reloc_count; count++)
 836     {
 837       *relptr++ = src++;
 838     }
 839   *relptr = 0;
 840   return section->reloc_count;
 841 }
 842
 843 #define versados_close_and_cleanup _bfd_generic_close_and_cleanup
 844 #define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
 845 #define versados_new_section_hook _bfd_generic_new_section_hook
 846
 847 #define versados_bfd_is_local_label_name bfd_generic_is_local_label_name
 848 #define versados_get_lineno _bfd_nosymbols_get_lineno
 849 #define versados_find_nearest_line _bfd_nosymbols_find_nearest_line
 850 #define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
 851 #define versados_read_minisymbols _bfd_generic_read_minisymbols
 852 #define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
 853
 854 #define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
 855
 856 #define versados_set_arch_mach bfd_default_set_arch_mach
 857
 858 #define versados_bfd_get_relocated_section_contents \
 859   bfd_generic_get_relocated_section_contents
 860 #define versados_bfd_relax_section bfd_generic_relax_section
 861 #define versados_bfd_gc_sections bfd_generic_gc_sections
 862 #define versados_bfd_merge_sections bfd_generic_merge_sections
 863 #define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
 864 #define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols
 865 #define versados_bfd_final_link _bfd_generic_final_link
 866 #define versados_bfd_link_split_section _bfd_generic_link_split_section
 867
 868 const bfd_target versados_vec =
 869 {
 870   "versados",                   /* name */
 871   bfd_target_versados_flavour,
 872   BFD_ENDIAN_BIG,               /* target byte order */
 873   BFD_ENDIAN_BIG,               /* target headers byte order */
 874   (HAS_RELOC | EXEC_P |         /* object flags */
 875    HAS_LINENO | HAS_DEBUG |
 876    HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
 877   (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
 878    | SEC_ALLOC | SEC_LOAD | SEC_RELOC),         /* section flags */
 879   0,                            /* leading underscore */
 880   ' ',                          /* ar_pad_char */
 881   16,                           /* ar_max_namelen */
 882   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 883   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 884   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* data */
 885   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 886   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 887   bfd_getb16, bfd_getb_signed_16, bfd_putb16,   /* hdrs */
 888
 889   {
 890     _bfd_dummy_target,
 891     versados_object_p,          /* bfd_check_format */
 892     _bfd_dummy_target,
 893     _bfd_dummy_target,
 894   },
 895   {
 896     bfd_false,
 897     versados_mkobject,
 898     _bfd_generic_mkarchive,
 899     bfd_false,
 900   },
 901   {                             /* bfd_write_contents */
 902     bfd_false,
 903     bfd_false,
 904     _bfd_write_archive_contents,
 905     bfd_false,
 906   },
 907
 908   BFD_JUMP_TABLE_GENERIC (versados),
 909   BFD_JUMP_TABLE_COPY (_bfd_generic),
 910   BFD_JUMP_TABLE_CORE (_bfd_nocore),
 911   BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
 912   BFD_JUMP_TABLE_SYMBOLS (versados),
 913   BFD_JUMP_TABLE_RELOCS (versados),
 914   BFD_JUMP_TABLE_WRITE (versados),
 915   BFD_JUMP_TABLE_LINK (versados),
 916   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 917
 918   NULL,
 919
 920   (PTR) 0
 921 };