bfd/coff-or32.c

   1 /* BFD back-end for OpenRISC 1000 COFF binaries.
   2    Copyright 2002 Free Software Foundation, Inc.
   3    Contributed by Ivan Guzvinec  <ivang@opencores.org>
   4
   5    This file is part of BFD, the Binary File Descriptor library.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #define OR32 1
  22
  23 #include "bfd.h"
  24 #include "sysdep.h"
  25 #include "libbfd.h"
  26 #include "coff/or32.h"
  27 #include "coff/internal.h"
  28 #include "libcoff.h"
  29
  30 static long get_symbol_value
  31   PARAMS ((asymbol *));
  32 static bfd_reloc_status_type or32_reloc
  33   PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
  34 static bfd_boolean coff_or32_relocate_section
  35   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
  36            struct internal_reloc *, struct internal_syment *, asection **));
  37 static bfd_boolean coff_or32_adjust_symndx
  38   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *,
  39            struct internal_reloc *, bfd_boolean *));
  40 static void reloc_processing
  41   PARAMS ((arelent *, struct internal_reloc *, asymbol **, bfd *, asection *));
  42
  43 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
  44
  45 #define INSERT_HWORD(WORD,HWORD)              \
  46     (((WORD) & 0xffff0000) | ((HWORD)& 0x0000ffff))
  47 #define EXTRACT_HWORD(WORD)                   \
  48     ((WORD) & 0x0000ffff)
  49 #define SIGN_EXTEND_HWORD(HWORD)              \
  50     ((HWORD) & 0x8000 ? (HWORD)|(~0xffffL) : (HWORD))
  51
  52 #define INSERT_JUMPTARG(WORD,JT)              \
  53     (((WORD) & 0xfc000000) | ((JT)& 0x03ffffff))
  54 #define EXTRACT_JUMPTARG(WORD)                   \
  55     ((WORD) & 0x03ffffff)
  56 #define SIGN_EXTEND_JUMPTARG(JT)              \
  57     ((JT) & 0x04000000 ? (JT)|(~0x03ffffffL) : (JT))
  58
  59 /* Provided the symbol, returns the value reffed.  */
  60
  61 static long
  62 get_symbol_value (symbol)
  63      asymbol *symbol;
  64 {
  65   long relocation = 0;
  66
  67   if (bfd_is_com_section (symbol->section))
  68     relocation = 0;
  69   else
  70     relocation = symbol->value +
  71       symbol->section->output_section->vma +
  72       symbol->section->output_offset;
  73
  74   return relocation;
  75 }
  76
  77 /* This function is in charge of performing all the or32 relocations.  */
  78
  79 static bfd_reloc_status_type
  80 or32_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
  81             error_message)
  82      bfd *abfd;
  83      arelent *reloc_entry;
  84      asymbol *symbol_in;
  85      PTR data;
  86      asection *input_section;
  87      bfd *output_bfd;
  88      char **error_message;
  89 {
  90   /* The consth relocation comes in two parts, we have to remember
  91      the state between calls, in these variables.  */
  92   static bfd_boolean part1_consth_active = FALSE;
  93   static unsigned long part1_consth_value;
  94
  95   unsigned long insn;
  96   unsigned long sym_value;
  97   unsigned long unsigned_value;
  98   unsigned short r_type;
  99   long signed_value;
 100
 101   unsigned long addr = reloc_entry->address ;   /*+ input_section->vma*/
 102   bfd_byte *hit_data =addr + (bfd_byte *)(data);
 103
 104   r_type = reloc_entry->howto->type;
 105
 106   if (output_bfd)
 107     {
 108       /* Partial linking - do nothing.  */
 109       reloc_entry->address += input_section->output_offset;
 110       return bfd_reloc_ok;
 111     }
 112
 113   if (symbol_in != NULL
 114       && bfd_is_und_section (symbol_in->section))
 115     {
 116       /* Keep the state machine happy in case we're called again.  */
 117       if (r_type == R_IHIHALF)
 118         {
 119           part1_consth_active = TRUE;
 120           part1_consth_value  = 0;
 121         }
 122
 123       return bfd_reloc_undefined;
 124     }
 125
 126   if ((part1_consth_active) && (r_type != R_IHCONST))
 127     {
 128       part1_consth_active = FALSE;
 129       *error_message = (char *) "Missing IHCONST";
 130
 131       return bfd_reloc_dangerous;
 132     }
 133
 134   sym_value = get_symbol_value (symbol_in);
 135
 136   switch (r_type)
 137     {
 138     case R_IREL:
 139       insn = bfd_get_32(abfd, hit_data);
 140
 141       /* Take the value in the field and sign extend it.  */
 142       signed_value = EXTRACT_JUMPTARG (insn);
 143       signed_value = SIGN_EXTEND_JUMPTARG (signed_value);
 144       signed_value <<= 2;
 145
 146       /* See the note on the R_IREL reloc in coff_or32_relocate_section.  */
 147       if (signed_value == - (long) reloc_entry->address)
 148         signed_value = 0;
 149
 150       signed_value += sym_value + reloc_entry->addend;
 151 #if 0
 152       if ((signed_value & ~0x3ffff) == 0)
 153         {                     /* Absolute jmp/call.  */
 154           insn |= (1<<24);    /* Make it absolute.  */
 155           /* FIXME: Should we change r_type to R_IABS.  */
 156         }
 157       else
 158 #endif
 159         {
 160           /* Relative jmp/call, so subtract from the value the
 161              address of the place we're coming from.  */
 162           signed_value -= (reloc_entry->address
 163                            + input_section->output_section->vma
 164                            + input_section->output_offset);
 165           if (signed_value > 0x7ffffff || signed_value < -0x8000000)
 166             return bfd_reloc_overflow;
 167         }
 168       signed_value >>= 2;
 169       insn = INSERT_JUMPTARG (insn, signed_value);
 170       bfd_put_32 (abfd, insn, hit_data);
 171       break;
 172
 173     case R_ILOHALF:
 174       insn = bfd_get_32 (abfd, hit_data);
 175       unsigned_value = EXTRACT_HWORD (insn);
 176       unsigned_value +=  sym_value + reloc_entry->addend;
 177       insn = INSERT_HWORD (insn, unsigned_value);
 178       bfd_put_32 (abfd, insn, hit_data);
 179       break;
 180
 181     case R_IHIHALF:
 182       insn = bfd_get_32 (abfd, hit_data);
 183
 184       /* consth, part 1
 185          Just get the symbol value that is referenced.  */
 186       part1_consth_active = TRUE;
 187       part1_consth_value = sym_value + reloc_entry->addend;
 188
 189       /* Don't modify insn until R_IHCONST.  */
 190       break;
 191
 192     case R_IHCONST:
 193       insn = bfd_get_32 (abfd, hit_data);
 194
 195       /* consth, part 2
 196          Now relocate the reference.  */
 197       if (! part1_consth_active)
 198         {
 199           *error_message = (char *) "Missing IHIHALF";
 200           return bfd_reloc_dangerous;
 201         }
 202
 203       /* sym_ptr_ptr = r_symndx, in coff_slurp_reloc_table() */
 204       unsigned_value = 0;   /*EXTRACT_HWORD(insn) << 16;*/
 205       unsigned_value += reloc_entry->addend; /* r_symndx */
 206       unsigned_value += part1_consth_value;
 207       unsigned_value = unsigned_value >> 16;
 208       insn = INSERT_HWORD (insn, unsigned_value);
 209       part1_consth_active = FALSE;
 210       bfd_put_32 (abfd, insn, hit_data);
 211       break;
 212
 213     case R_BYTE:
 214       insn = bfd_get_8 (abfd, hit_data);
 215       unsigned_value = insn + sym_value + reloc_entry->addend;
 216       if (unsigned_value & 0xffffff00)
 217         return bfd_reloc_overflow;
 218       bfd_put_8 (abfd, unsigned_value, hit_data);
 219       break;
 220
 221     case R_HWORD:
 222       insn = bfd_get_16 (abfd, hit_data);
 223       unsigned_value = insn + sym_value + reloc_entry->addend;
 224       if (unsigned_value & 0xffff0000)
 225         return bfd_reloc_overflow;
 226       bfd_put_16 (abfd, insn, hit_data);
 227       break;
 228
 229     case R_WORD:
 230       insn = bfd_get_32 (abfd, hit_data);
 231       insn += sym_value + reloc_entry->addend;
 232       bfd_put_32 (abfd, insn, hit_data);
 233       break;
 234
 235     default:
 236       *error_message = _("Unrecognized reloc");
 237       return bfd_reloc_dangerous;
 238     }
 239
 240   return bfd_reloc_ok;
 241 }
 242
 243 /*      type     rightshift
 244            size
 245         bitsize
 246              pc-relative
 247              bitpos
 248            absolute
 249                complain_on_overflow
 250               special_function
 251                 relocation name
 252                      partial_inplace
 253                       src_mask
 254 */
 255
 256 /* FIXME: I'm not real sure about this table.  */
 257 static reloc_howto_type howto_table[] =
 258 {
 259   { R_ABS,      0, 3, 32, FALSE,  0, complain_overflow_bitfield,  or32_reloc, "ABS",     TRUE, 0xffffffff,0xffffffff, FALSE },
 260     EMPTY_HOWTO (1),
 261     EMPTY_HOWTO (2),
 262     EMPTY_HOWTO (3),
 263     EMPTY_HOWTO (4),
 264     EMPTY_HOWTO (5),
 265     EMPTY_HOWTO (6),
 266     EMPTY_HOWTO (7),
 267     EMPTY_HOWTO (8),
 268     EMPTY_HOWTO (9),
 269     EMPTY_HOWTO (10),
 270     EMPTY_HOWTO (11),
 271     EMPTY_HOWTO (12),
 272     EMPTY_HOWTO (13),
 273     EMPTY_HOWTO (14),
 274     EMPTY_HOWTO (15),
 275     EMPTY_HOWTO (16),
 276     EMPTY_HOWTO (17),
 277     EMPTY_HOWTO (18),
 278     EMPTY_HOWTO (19),
 279     EMPTY_HOWTO (20),
 280     EMPTY_HOWTO (21),
 281     EMPTY_HOWTO (22),
 282     EMPTY_HOWTO (23),
 283   { R_IREL,     0, 3, 32, TRUE,   0, complain_overflow_signed,    or32_reloc, "IREL",    TRUE, 0xffffffff,0xffffffff, FALSE },
 284   { R_IABS,     0, 3, 32, FALSE,  0, complain_overflow_bitfield,  or32_reloc, "IABS",    TRUE, 0xffffffff,0xffffffff, FALSE },
 285   { R_ILOHALF,  0, 3, 16, TRUE,   0, complain_overflow_signed,    or32_reloc, "ILOHALF", TRUE, 0x0000ffff,0x0000ffff, FALSE },
 286   { R_IHIHALF,  0, 3, 16, TRUE,   16,complain_overflow_signed,    or32_reloc, "IHIHALF", TRUE, 0xffff0000,0xffff0000, FALSE },
 287   { R_IHCONST,  0, 3, 16, TRUE,   0, complain_overflow_signed,    or32_reloc, "IHCONST", TRUE, 0xffff0000,0xffff0000, FALSE },
 288   { R_BYTE,     0, 0, 8,  FALSE,  0, complain_overflow_bitfield,  or32_reloc, "BYTE",    TRUE, 0x000000ff,0x000000ff, FALSE },
 289   { R_HWORD,    0, 1, 16, FALSE,  0, complain_overflow_bitfield,  or32_reloc, "HWORD",   TRUE, 0x0000ffff,0x0000ffff, FALSE },
 290   { R_WORD,     0, 2, 32, FALSE,  0, complain_overflow_bitfield,  or32_reloc, "WORD",    TRUE, 0xffffffff,0xffffffff, FALSE },
 291 };
 292
 293 #define BADMAG(x) OR32BADMAG (x)
 294
 295 #define RELOC_PROCESSING(relent, reloc, symbols, abfd, section) \
 296   reloc_processing (relent, reloc, symbols, abfd, section)
 297
 298 static void
 299 reloc_processing (relent,reloc, symbols, abfd, section)
 300      arelent *relent;
 301      struct internal_reloc *reloc;
 302      asymbol **symbols;
 303      bfd *abfd;
 304      asection *section;
 305 {
 306   static bfd_vma ihihalf_vaddr = (bfd_vma) -1;
 307
 308   relent->address = reloc->r_vaddr;
 309   relent->howto = howto_table + reloc->r_type;
 310
 311   if (reloc->r_type == R_IHCONST)
 312     {
 313       /* The address of an R_IHCONST should always be the address of
 314          the immediately preceding R_IHIHALF.  relocs generated by gas
 315          are correct, but relocs generated by High C are different (I
 316          can't figure out what the address means for High C).  We can
 317          handle both gas and High C by ignoring the address here, and
 318          simply reusing the address saved for R_IHIHALF.  */
 319       if (ihihalf_vaddr == (bfd_vma) -1)
 320         abort ();
 321
 322       relent->address = ihihalf_vaddr;
 323       ihihalf_vaddr = (bfd_vma) -1;
 324       relent->addend = reloc->r_symndx;
 325       relent->sym_ptr_ptr= bfd_abs_section_ptr->symbol_ptr_ptr;
 326     }
 327   else
 328     {
 329       asymbol *ptr;
 330       relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
 331
 332       ptr = *(relent->sym_ptr_ptr);
 333
 334       relent->addend = 0;
 335       relent->address-= section->vma;
 336
 337       if (reloc->r_type == R_IHIHALF)
 338         ihihalf_vaddr = relent->address;
 339       else if (ihihalf_vaddr != (bfd_vma) -1)
 340         abort ();
 341     }
 342 }
 343
 344 /* The reloc processing routine for the optimized COFF linker.  */
 345
 346 static bfd_boolean
 347 coff_or32_relocate_section (output_bfd, info, input_bfd, input_section,
 348                             contents, relocs, syms, sections)
 349      bfd *output_bfd ATTRIBUTE_UNUSED;
 350      struct bfd_link_info *info;
 351      bfd *input_bfd;
 352      asection *input_section;
 353      bfd_byte *contents;
 354      struct internal_reloc *relocs;
 355      struct internal_syment *syms;
 356      asection **sections;
 357 {
 358   struct internal_reloc *rel;
 359   struct internal_reloc *relend;
 360   bfd_boolean hihalf;
 361   bfd_vma hihalf_val;
 362
 363   /* If we are performing a relocateable link, we don't need to do a
 364      thing.  The caller will take care of adjusting the reloc
 365      addresses and symbol indices.  */
 366   if (info->relocateable)
 367     return TRUE;
 368
 369   hihalf = FALSE;
 370   hihalf_val = 0;
 371
 372   rel = relocs;
 373   relend = rel + input_section->reloc_count;
 374
 375   for (; rel < relend; rel++)
 376     {
 377       long symndx;
 378       bfd_byte *loc;
 379       struct coff_link_hash_entry *h;
 380       struct internal_syment *sym;
 381       asection *sec;
 382       bfd_vma val;
 383       bfd_boolean overflow;
 384       unsigned long insn;
 385       long signed_value;
 386       unsigned long unsigned_value;
 387       bfd_reloc_status_type rstat;
 388
 389       symndx = rel->r_symndx;
 390       loc = contents + rel->r_vaddr - input_section->vma;
 391
 392       if (symndx == -1 || rel->r_type == R_IHCONST)
 393         h = NULL;
 394       else
 395         h = obj_coff_sym_hashes (input_bfd)[symndx];
 396
 397       sym = NULL;
 398       sec = NULL;
 399       val = 0;
 400
 401       /* An R_IHCONST reloc does not have a symbol.  Instead, the
 402          symbol index is an addend.  R_IHCONST is always used in
 403          conjunction with R_IHHALF.  */
 404       if (rel->r_type != R_IHCONST)
 405         {
 406           if (h == NULL)
 407             {
 408               if (symndx == -1)
 409                 sec = bfd_abs_section_ptr;
 410               else
 411                 {
 412                   sym = syms + symndx;
 413                   sec = sections[symndx];
 414                   val = (sec->output_section->vma
 415                          + sec->output_offset
 416                          + sym->n_value
 417                          - sec->vma);
 418                 }
 419             }
 420           else
 421             {
 422               if (h->root.type == bfd_link_hash_defined
 423                   || h->root.type == bfd_link_hash_defweak)
 424                 {
 425                   sec = h->root.u.def.section;
 426                   val = (h->root.u.def.value
 427                          + sec->output_section->vma
 428                          + sec->output_offset);
 429                 }
 430               else
 431                 {
 432                   if (! ((*info->callbacks->undefined_symbol)
 433                          (info, h->root.root.string, input_bfd, input_section,
 434                           rel->r_vaddr - input_section->vma, TRUE)))
 435                     return FALSE;
 436                 }
 437             }
 438
 439           if (hihalf)
 440             {
 441               if (! ((*info->callbacks->reloc_dangerous)
 442                      (info, "missing IHCONST reloc", input_bfd,
 443                       input_section, rel->r_vaddr - input_section->vma)))
 444                 return FALSE;
 445               hihalf = FALSE;
 446             }
 447         }
 448
 449       overflow = FALSE;
 450
 451       switch (rel->r_type)
 452         {
 453         default:
 454           bfd_set_error (bfd_error_bad_value);
 455           return FALSE;
 456
 457         case R_IREL:
 458           insn = bfd_get_32 (input_bfd, loc);
 459
 460           /* Extract the addend.  */
 461           signed_value = EXTRACT_JUMPTARG (insn);
 462           signed_value = SIGN_EXTEND_JUMPTARG (signed_value);
 463           signed_value <<= 2;
 464
 465           /* Determine the destination of the jump.  */
 466           signed_value += val;
 467
 468 #if 0
 469           if ((signed_value & ~0x3ffff) == 0)
 470             {
 471               /* We can use an absolute jump.  */
 472               insn |= (1 << 24);
 473             }
 474           else
 475 #endif
 476             {
 477               /* Make the destination PC relative.  */
 478               signed_value -= (input_section->output_section->vma
 479                                + input_section->output_offset
 480                                + (rel->r_vaddr - input_section->vma));
 481               if (signed_value > 0x7ffffff || signed_value < - 0x8000000)
 482                 {
 483                   overflow = TRUE;
 484                   signed_value = 0;
 485                 }
 486             }
 487
 488           /* Put the adjusted value back into the instruction.  */
 489           signed_value >>= 2;
 490           insn = INSERT_JUMPTARG(insn, signed_value);
 491
 492           bfd_put_32 (input_bfd, (bfd_vma) insn, loc);
 493           break;
 494
 495         case R_ILOHALF:
 496           insn = bfd_get_32 (input_bfd, loc);
 497           unsigned_value = EXTRACT_HWORD (insn);
 498           unsigned_value += val;
 499           insn = INSERT_HWORD (insn, unsigned_value);
 500           bfd_put_32 (input_bfd, insn, loc);
 501           break;
 502
 503         case R_IHIHALF:
 504           /* Save the value for the R_IHCONST reloc.  */
 505           hihalf = TRUE;
 506           hihalf_val = val;
 507           break;
 508
 509         case R_IHCONST:
 510           if (! hihalf)
 511             {
 512               if (! ((*info->callbacks->reloc_dangerous)
 513                      (info, "missing IHIHALF reloc", input_bfd,
 514                       input_section, rel->r_vaddr - input_section->vma)))
 515                 return FALSE;
 516               hihalf_val = 0;
 517             }
 518
 519           insn = bfd_get_32 (input_bfd, loc);
 520           unsigned_value = rel->r_symndx + hihalf_val;
 521           unsigned_value >>= 16;
 522           insn = INSERT_HWORD (insn, unsigned_value);
 523           bfd_put_32 (input_bfd, (bfd_vma) insn, loc);
 524
 525           hihalf = FALSE;
 526           break;
 527
 528         case R_BYTE:
 529         case R_HWORD:
 530         case R_WORD:
 531           rstat = _bfd_relocate_contents (howto_table + rel->r_type,
 532                                           input_bfd, val, loc);
 533           if (rstat == bfd_reloc_overflow)
 534             overflow = TRUE;
 535           else if (rstat != bfd_reloc_ok)
 536             abort ();
 537           break;
 538         }
 539
 540       if (overflow)
 541         {
 542           const char *name;
 543           char buf[SYMNMLEN + 1];
 544
 545           if (symndx == -1)
 546             name = "*ABS*";
 547           else if (h != NULL)
 548             name = h->root.root.string;
 549           else if (sym == NULL)
 550             name = "*unknown*";
 551           else if (sym->_n._n_n._n_zeroes == 0
 552                    && sym->_n._n_n._n_offset != 0)
 553             name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset;
 554           else
 555             {
 556               strncpy (buf, sym->_n._n_name, SYMNMLEN);
 557               buf[SYMNMLEN] = '\0';
 558               name = buf;
 559             }
 560
 561           if (! ((*info->callbacks->reloc_overflow)
 562                  (info, name, howto_table[rel->r_type].name, (bfd_vma) 0,
 563                   input_bfd, input_section,
 564                   rel->r_vaddr - input_section->vma)))
 565             return FALSE;
 566         }
 567     }
 568
 569   return TRUE;
 570 }
 571
 572 #define coff_relocate_section coff_or32_relocate_section
 573
 574 /* We don't want to change the symndx of a R_IHCONST reloc, since it
 575    is actually an addend, not a symbol index at all.  */
 576
 577 static bfd_boolean
 578 coff_or32_adjust_symndx (obfd, info, ibfd, sec, irel, adjustedp)
 579      bfd *obfd ATTRIBUTE_UNUSED;
 580      struct bfd_link_info *info ATTRIBUTE_UNUSED;
 581      bfd *ibfd ATTRIBUTE_UNUSED;
 582      asection *sec ATTRIBUTE_UNUSED;
 583      struct internal_reloc *irel;
 584      bfd_boolean *adjustedp;
 585 {
 586   if (irel->r_type == R_IHCONST)
 587     *adjustedp = TRUE;
 588   else
 589     *adjustedp = FALSE;
 590   return TRUE;
 591 }
 592
 593 #define coff_adjust_symndx coff_or32_adjust_symndx
 594
 595 #include "coffcode.h"
 596
 597 const bfd_target or32coff_big_vec =
 598 {
 599   "coff-or32-big",  /* Name.  */
 600   bfd_target_coff_flavour,
 601   BFD_ENDIAN_BIG,   /* Data byte order is big.  */
 602   BFD_ENDIAN_BIG,   /* Header byte order is big.  */
 603
 604   (HAS_RELOC  | EXEC_P |    /* Object flags.  */
 605    HAS_LINENO | HAS_DEBUG |
 606    HAS_SYMS   | HAS_LOCALS | WP_TEXT),
 607
 608   (SEC_HAS_CONTENTS | SEC_ALLOC | /* Section flags.  */
 609    SEC_LOAD | SEC_RELOC |
 610    SEC_READONLY ),
 611   '_',        /* Leading underscore.  */
 612   '/',        /* ar_pad_char.  */
 613   15,         /* ar_max_namelen.  */
 614
 615   /* Data.  */
 616   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 617   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 618   bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 619
 620   /* Headers.  */
 621   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 622   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 623   bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 624
 625   {
 626     _bfd_dummy_target,
 627     coff_object_p,
 628     bfd_generic_archive_p,
 629     _bfd_dummy_target
 630   },
 631   {
 632     bfd_false,
 633     coff_mkobject,
 634     _bfd_generic_mkarchive,
 635     bfd_false
 636   },
 637   {
 638     bfd_false,
 639     coff_write_object_contents,
 640     _bfd_write_archive_contents,
 641     bfd_false
 642   },
 643
 644   BFD_JUMP_TABLE_GENERIC (coff),
 645   BFD_JUMP_TABLE_COPY (coff),
 646   BFD_JUMP_TABLE_CORE (_bfd_nocore),
 647   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 648   BFD_JUMP_TABLE_SYMBOLS (coff),
 649   BFD_JUMP_TABLE_RELOCS (coff),
 650   BFD_JUMP_TABLE_WRITE (coff),
 651   BFD_JUMP_TABLE_LINK (coff),
 652   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 653
 654  /* Alternative_target.  */
 655 #ifdef TARGET_LITTLE_SYM
 656   & TARGET_LITTLE_SYM,
 657 #else
 658   NULL,
 659 #endif
 660
 661   COFF_SWAP_TABLE
 662 };