bfd/coff-i386.c

   1 /* BFD back-end for Intel 386 COFF files.
   2    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
   3    2000, 2001, 2002, 2003
   4    Free Software Foundation, Inc.
   5    Written by Cygnus Support.
   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 #include "bfd.h"
  24 #include "sysdep.h"
  25 #include "libbfd.h"
  26
  27 #include "coff/i386.h"
  28
  29 #include "coff/internal.h"
  30
  31 #ifdef COFF_WITH_PE
  32 #include "coff/pe.h"
  33 #endif
  34
  35 #ifdef COFF_GO32_EXE
  36 #include "coff/go32exe.h"
  37 #endif
  38
  39 #include "libcoff.h"
  40
  41 static bfd_reloc_status_type coff_i386_reloc
  42   PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
  43 static reloc_howto_type *coff_i386_rtype_to_howto
  44   PARAMS ((bfd *, asection *, struct internal_reloc *,
  45            struct coff_link_hash_entry *, struct internal_syment *,
  46            bfd_vma *));
  47 static reloc_howto_type *coff_i386_reloc_type_lookup
  48   PARAMS ((bfd *, bfd_reloc_code_real_type));
  49
  50 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
  51 /* The page size is a guess based on ELF.  */
  52
  53 #define COFF_PAGE_SIZE 0x1000
  54
  55 /* For some reason when using i386 COFF the value stored in the .text
  56    section for a reference to a common symbol is the value itself plus
  57    any desired offset.  Ian Taylor, Cygnus Support.  */
  58
  59 /* If we are producing relocatable output, we need to do some
  60    adjustments to the object file that are not done by the
  61    bfd_perform_relocation function.  This function is called by every
  62    reloc type to make any required adjustments.  */
  63
  64 static bfd_reloc_status_type
  65 coff_i386_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
  66                  error_message)
  67      bfd *abfd;
  68      arelent *reloc_entry;
  69      asymbol *symbol;
  70      PTR data;
  71      asection *input_section ATTRIBUTE_UNUSED;
  72      bfd *output_bfd;
  73      char **error_message ATTRIBUTE_UNUSED;
  74 {
  75   symvalue diff;
  76
  77 #ifndef COFF_WITH_PE
  78   if (output_bfd == (bfd *) NULL)
  79     return bfd_reloc_continue;
  80 #endif
  81
  82   if (bfd_is_com_section (symbol->section))
  83     {
  84 #ifndef COFF_WITH_PE
  85       /* We are relocating a common symbol.  The current value in the
  86          object file is ORIG + OFFSET, where ORIG is the value of the
  87          common symbol as seen by the object file when it was compiled
  88          (this may be zero if the symbol was undefined) and OFFSET is
  89          the offset into the common symbol (normally zero, but may be
  90          non-zero when referring to a field in a common structure).
  91          ORIG is the negative of reloc_entry->addend, which is set by
  92          the CALC_ADDEND macro below.  We want to replace the value in
  93          the object file with NEW + OFFSET, where NEW is the value of
  94          the common symbol which we are going to put in the final
  95          object file.  NEW is symbol->value.  */
  96       diff = symbol->value + reloc_entry->addend;
  97 #else
  98       /* In PE mode, we do not offset the common symbol.  */
  99       diff = reloc_entry->addend;
 100 #endif
 101     }
 102   else
 103     {
 104       /* For some reason bfd_perform_relocation always effectively
 105          ignores the addend for a COFF target when producing
 106          relocatable output.  This seems to be always wrong for 386
 107          COFF, so we handle the addend here instead.  */
 108 #ifdef COFF_WITH_PE
 109       if (output_bfd == (bfd *) NULL)
 110         {
 111           reloc_howto_type *howto = reloc_entry->howto;
 112
 113           /* Although PC relative relocations are very similar between
 114              PE and non-PE formats, but they are off by 1 << howto->size
 115              bytes. For the external relocation, PE is very different
 116              from others. See md_apply_fix3 () in gas/config/tc-i386.c.
 117              When we link PE and non-PE object files together to
 118              generate a non-PE executable, we have to compensate it
 119              here.  */
 120           if (howto->pc_relative && howto->pcrel_offset)
 121             diff = -(1 << howto->size);
 122           else
 123             diff = -reloc_entry->addend;
 124         }
 125       else
 126 #endif
 127         diff = reloc_entry->addend;
 128     }
 129
 130 #ifdef COFF_WITH_PE
 131   /* FIXME: How should this case be handled?  */
 132   if (reloc_entry->howto->type == R_IMAGEBASE
 133       && output_bfd != NULL
 134       && bfd_get_flavour(output_bfd) == bfd_target_coff_flavour)
 135     diff -= pe_data (output_bfd)->pe_opthdr.ImageBase;
 136 #endif
 137
 138 #define DOIT(x) \
 139   x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask))
 140
 141     if (diff != 0)
 142       {
 143         reloc_howto_type *howto = reloc_entry->howto;
 144         unsigned char *addr = (unsigned char *) data + reloc_entry->address;
 145
 146         switch (howto->size)
 147           {
 148           case 0:
 149             {
 150               char x = bfd_get_8 (abfd, addr);
 151               DOIT (x);
 152               bfd_put_8 (abfd, x, addr);
 153             }
 154             break;
 155
 156           case 1:
 157             {
 158               short x = bfd_get_16 (abfd, addr);
 159               DOIT (x);
 160               bfd_put_16 (abfd, (bfd_vma) x, addr);
 161             }
 162             break;
 163
 164           case 2:
 165             {
 166               long x = bfd_get_32 (abfd, addr);
 167               DOIT (x);
 168               bfd_put_32 (abfd, (bfd_vma) x, addr);
 169             }
 170             break;
 171
 172           default:
 173             abort ();
 174           }
 175       }
 176
 177   /* Now let bfd_perform_relocation finish everything up.  */
 178   return bfd_reloc_continue;
 179 }
 180
 181 #ifdef COFF_WITH_PE
 182 /* Return TRUE if this relocation should appear in the output .reloc
 183    section.  */
 184
 185 static bfd_boolean in_reloc_p PARAMS ((bfd *, reloc_howto_type *));
 186
 187 static bfd_boolean in_reloc_p (abfd, howto)
 188      bfd * abfd ATTRIBUTE_UNUSED;
 189      reloc_howto_type *howto;
 190 {
 191   return ! howto->pc_relative && howto->type != R_IMAGEBASE;
 192 }
 193 #endif /* COFF_WITH_PE */
 194
 195 #ifndef PCRELOFFSET
 196 #define PCRELOFFSET FALSE
 197 #endif
 198
 199 static reloc_howto_type howto_table[] =
 200 {
 201   EMPTY_HOWTO (0),
 202   EMPTY_HOWTO (1),
 203   EMPTY_HOWTO (2),
 204   EMPTY_HOWTO (3),
 205   EMPTY_HOWTO (4),
 206   EMPTY_HOWTO (5),
 207   HOWTO (R_DIR32,               /* type */
 208          0,                     /* rightshift */
 209          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 210          32,                    /* bitsize */
 211          FALSE,                 /* pc_relative */
 212          0,                     /* bitpos */
 213          complain_overflow_bitfield, /* complain_on_overflow */
 214          coff_i386_reloc,       /* special_function */
 215          "dir32",               /* name */
 216          TRUE,                  /* partial_inplace */
 217          0xffffffff,            /* src_mask */
 218          0xffffffff,            /* dst_mask */
 219          TRUE),                 /* pcrel_offset */
 220   /* PE IMAGE_REL_I386_DIR32NB relocation (7).  */
 221   HOWTO (R_IMAGEBASE,           /* type */
 222          0,                     /* rightshift */
 223          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 224          32,                    /* bitsize */
 225          FALSE,                 /* pc_relative */
 226          0,                     /* bitpos */
 227          complain_overflow_bitfield, /* complain_on_overflow */
 228          coff_i386_reloc,       /* special_function */
 229          "rva32",               /* name */
 230          TRUE,                  /* partial_inplace */
 231          0xffffffff,            /* src_mask */
 232          0xffffffff,            /* dst_mask */
 233          FALSE),                /* pcrel_offset */
 234   EMPTY_HOWTO (010),
 235   EMPTY_HOWTO (011),
 236   EMPTY_HOWTO (012),
 237 #ifdef COFF_WITH_PE
 238   /* 32-bit longword section relative relocation (013).  */
 239   HOWTO (R_SECREL32,            /* type */
 240          0,                     /* rightshift */
 241          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 242          32,                    /* bitsize */
 243          FALSE,                 /* pc_relative */
 244          0,                     /* bitpos */
 245          complain_overflow_bitfield, /* complain_on_overflow */
 246          coff_i386_reloc,       /* special_function */
 247          "secrel32",            /* name */
 248          TRUE,                  /* partial_inplace */
 249          0xffffffff,            /* src_mask */
 250          0xffffffff,            /* dst_mask */
 251          TRUE),                 /* pcrel_offset */
 252 #else
 253   EMPTY_HOWTO (013),
 254 #endif
 255   EMPTY_HOWTO (014),
 256   EMPTY_HOWTO (015),
 257   EMPTY_HOWTO (016),
 258   /* Byte relocation (017).  */
 259   HOWTO (R_RELBYTE,             /* type */
 260          0,                     /* rightshift */
 261          0,                     /* size (0 = byte, 1 = short, 2 = long) */
 262          8,                     /* bitsize */
 263          FALSE,                 /* pc_relative */
 264          0,                     /* bitpos */
 265          complain_overflow_bitfield, /* complain_on_overflow */
 266          coff_i386_reloc,       /* special_function */
 267          "8",                   /* name */
 268          TRUE,                  /* partial_inplace */
 269          0x000000ff,            /* src_mask */
 270          0x000000ff,            /* dst_mask */
 271          PCRELOFFSET),          /* pcrel_offset */
 272   /* 16-bit word relocation (020).  */
 273   HOWTO (R_RELWORD,             /* type */
 274          0,                     /* rightshift */
 275          1,                     /* size (0 = byte, 1 = short, 2 = long) */
 276          16,                    /* bitsize */
 277          FALSE,                 /* pc_relative */
 278          0,                     /* bitpos */
 279          complain_overflow_bitfield, /* complain_on_overflow */
 280          coff_i386_reloc,       /* special_function */
 281          "16",                  /* name */
 282          TRUE,                  /* partial_inplace */
 283          0x0000ffff,            /* src_mask */
 284          0x0000ffff,            /* dst_mask */
 285          PCRELOFFSET),          /* pcrel_offset */
 286   /* 32-bit longword relocation (021).  */
 287   HOWTO (R_RELLONG,             /* type */
 288          0,                     /* rightshift */
 289          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 290          32,                    /* bitsize */
 291          FALSE,                 /* pc_relative */
 292          0,                     /* bitpos */
 293          complain_overflow_bitfield, /* complain_on_overflow */
 294          coff_i386_reloc,       /* special_function */
 295          "32",                  /* name */
 296          TRUE,                  /* partial_inplace */
 297          0xffffffff,            /* src_mask */
 298          0xffffffff,            /* dst_mask */
 299          PCRELOFFSET),          /* pcrel_offset */
 300   /* Byte PC relative relocation (022).  */
 301   HOWTO (R_PCRBYTE,             /* type */
 302          0,                     /* rightshift */
 303          0,                     /* size (0 = byte, 1 = short, 2 = long) */
 304          8,                     /* bitsize */
 305          TRUE,                  /* pc_relative */
 306          0,                     /* bitpos */
 307          complain_overflow_signed, /* complain_on_overflow */
 308          coff_i386_reloc,       /* special_function */
 309          "DISP8",               /* name */
 310          TRUE,                  /* partial_inplace */
 311          0x000000ff,            /* src_mask */
 312          0x000000ff,            /* dst_mask */
 313          PCRELOFFSET),          /* pcrel_offset */
 314   /* 16-bit word PC relative relocation (023).  */
 315   HOWTO (R_PCRWORD,             /* type */
 316          0,                     /* rightshift */
 317          1,                     /* size (0 = byte, 1 = short, 2 = long) */
 318          16,                    /* bitsize */
 319          TRUE,                  /* pc_relative */
 320          0,                     /* bitpos */
 321          complain_overflow_signed, /* complain_on_overflow */
 322          coff_i386_reloc,       /* special_function */
 323          "DISP16",              /* name */
 324          TRUE,                  /* partial_inplace */
 325          0x0000ffff,            /* src_mask */
 326          0x0000ffff,            /* dst_mask */
 327          PCRELOFFSET),          /* pcrel_offset */
 328   /* 32-bit longword PC relative relocation (024).  */
 329   HOWTO (R_PCRLONG,             /* type */
 330          0,                     /* rightshift */
 331          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 332          32,                    /* bitsize */
 333          TRUE,                  /* pc_relative */
 334          0,                     /* bitpos */
 335          complain_overflow_signed, /* complain_on_overflow */
 336          coff_i386_reloc,       /* special_function */
 337          "DISP32",              /* name */
 338          TRUE,                  /* partial_inplace */
 339          0xffffffff,            /* src_mask */
 340          0xffffffff,            /* dst_mask */
 341          PCRELOFFSET)           /* pcrel_offset */
 342 };
 343
 344 /* Turn a howto into a reloc  nunmber */
 345
 346 #define SELECT_RELOC(x,howto) { x.r_type = howto->type; }
 347 #define BADMAG(x) I386BADMAG(x)
 348 #define I386 1                  /* Customize coffcode.h */
 349
 350 #define RTYPE2HOWTO(cache_ptr, dst)                                     \
 351   ((cache_ptr)->howto =                                                 \
 352    ((dst)->r_type < sizeof (howto_table) / sizeof (howto_table[0])      \
 353     ? howto_table + (dst)->r_type                                       \
 354     : NULL))
 355
 356 /* For 386 COFF a STYP_NOLOAD | STYP_BSS section is part of a shared
 357    library.  On some other COFF targets STYP_BSS is normally
 358    STYP_NOLOAD.  */
 359 #define BSS_NOLOAD_IS_SHARED_LIBRARY
 360
 361 /* Compute the addend of a reloc.  If the reloc is to a common symbol,
 362    the object file contains the value of the common symbol.  By the
 363    time this is called, the linker may be using a different symbol
 364    from a different object file with a different value.  Therefore, we
 365    hack wildly to locate the original symbol from this file so that we
 366    can make the correct adjustment.  This macro sets coffsym to the
 367    symbol from the original file, and uses it to set the addend value
 368    correctly.  If this is not a common symbol, the usual addend
 369    calculation is done, except that an additional tweak is needed for
 370    PC relative relocs.
 371    FIXME: This macro refers to symbols and asect; these are from the
 372    calling function, not the macro arguments.  */
 373
 374 #define CALC_ADDEND(abfd, ptr, reloc, cache_ptr)                \
 375   {                                                             \
 376     coff_symbol_type *coffsym = (coff_symbol_type *) NULL;      \
 377     if (ptr && bfd_asymbol_bfd (ptr) != abfd)                   \
 378       coffsym = (obj_symbols (abfd)                             \
 379                  + (cache_ptr->sym_ptr_ptr - symbols));         \
 380     else if (ptr)                                               \
 381       coffsym = coff_symbol_from (abfd, ptr);                   \
 382     if (coffsym != (coff_symbol_type *) NULL                    \
 383         && coffsym->native->u.syment.n_scnum == 0)              \
 384       cache_ptr->addend = - coffsym->native->u.syment.n_value;  \
 385     else if (ptr && bfd_asymbol_bfd (ptr) == abfd               \
 386              && ptr->section != (asection *) NULL)              \
 387       cache_ptr->addend = - (ptr->section->vma + ptr->value);   \
 388     else                                                        \
 389       cache_ptr->addend = 0;                                    \
 390     if (ptr && howto_table[reloc.r_type].pc_relative)           \
 391       cache_ptr->addend += asect->vma;                          \
 392   }
 393
 394 /* We use the special COFF backend linker.  For normal i386 COFF, we
 395    can use the generic relocate_section routine.  For PE, we need our
 396    own routine.  */
 397
 398 #ifndef COFF_WITH_PE
 399
 400 #define coff_relocate_section _bfd_coff_generic_relocate_section
 401
 402 #else /* COFF_WITH_PE */
 403
 404 /* The PE relocate section routine.  The only difference between this
 405    and the regular routine is that we don't want to do anything for a
 406    relocatable link.  */
 407
 408 static bfd_boolean coff_pe_i386_relocate_section
 409   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 410            struct internal_reloc *, struct internal_syment *, asection **));
 411
 412 static bfd_boolean
 413 coff_pe_i386_relocate_section (output_bfd, info, input_bfd,
 414                                input_section, contents, relocs, syms,
 415                                sections)
 416      bfd *output_bfd;
 417      struct bfd_link_info *info;
 418      bfd *input_bfd;
 419      asection *input_section;
 420      bfd_byte *contents;
 421      struct internal_reloc *relocs;
 422      struct internal_syment *syms;
 423      asection **sections;
 424 {
 425   if (info->relocatable)
 426     return TRUE;
 427
 428   return _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd,
 429                                              input_section, contents,
 430                                              relocs, syms, sections);
 431 }
 432
 433 #define coff_relocate_section coff_pe_i386_relocate_section
 434
 435 #endif /* COFF_WITH_PE */
 436
 437 /* Convert an rtype to howto for the COFF backend linker.  */
 438
 439 static reloc_howto_type *
 440 coff_i386_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
 441      bfd *abfd ATTRIBUTE_UNUSED;
 442      asection *sec;
 443      struct internal_reloc *rel;
 444      struct coff_link_hash_entry *h;
 445      struct internal_syment *sym;
 446      bfd_vma *addendp;
 447 {
 448   reloc_howto_type *howto;
 449
 450   if (rel->r_type > sizeof (howto_table) / sizeof (howto_table[0]))
 451     {
 452       bfd_set_error (bfd_error_bad_value);
 453       return NULL;
 454     }
 455
 456   howto = howto_table + rel->r_type;
 457
 458 #ifdef COFF_WITH_PE
 459   /* Cancel out code in _bfd_coff_generic_relocate_section.  */
 460   *addendp = 0;
 461 #endif
 462
 463   if (howto->pc_relative)
 464     *addendp += sec->vma;
 465
 466   if (sym != NULL && sym->n_scnum == 0 && sym->n_value != 0)
 467     {
 468       /* This is a common symbol.  The section contents include the
 469          size (sym->n_value) as an addend.  The relocate_section
 470          function will be adding in the final value of the symbol.  We
 471          need to subtract out the current size in order to get the
 472          correct result.  */
 473
 474       BFD_ASSERT (h != NULL);
 475
 476 #ifndef COFF_WITH_PE
 477       /* I think we *do* want to bypass this.  If we don't, I have
 478          seen some data parameters get the wrong relocation address.
 479          If I link two versions with and without this section bypassed
 480          and then do a binary comparison, the addresses which are
 481          different can be looked up in the map.  The case in which
 482          this section has been bypassed has addresses which correspond
 483          to values I can find in the map.  */
 484       *addendp -= sym->n_value;
 485 #endif
 486     }
 487
 488 #ifndef COFF_WITH_PE
 489   /* If the output symbol is common (in which case this must be a
 490      relocatable link), we need to add in the final size of the
 491      common symbol.  */
 492   if (h != NULL && h->root.type == bfd_link_hash_common)
 493     *addendp += h->root.u.c.size;
 494 #endif
 495
 496 #ifdef COFF_WITH_PE
 497   if (howto->pc_relative)
 498     {
 499       *addendp -= 4;
 500
 501       /* If the symbol is defined, then the generic code is going to
 502          add back the symbol value in order to cancel out an
 503          adjustment it made to the addend.  However, we set the addend
 504          to 0 at the start of this function.  We need to adjust here,
 505          to avoid the adjustment the generic code will make.  FIXME:
 506          This is getting a bit hackish.  */
 507       if (sym != NULL && sym->n_scnum != 0)
 508         *addendp -= sym->n_value;
 509     }
 510
 511   if (rel->r_type == R_IMAGEBASE
 512       && (bfd_get_flavour(sec->output_section->owner)
 513           == bfd_target_coff_flavour))
 514     {
 515       *addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase;
 516     }
 517
 518   if (rel->r_type == R_SECREL32)
 519     {
 520       bfd_vma osect_vma;
 521
 522       if (h && (h->type == bfd_link_hash_defined
 523                 || h->type == bfd_link_hash_defweak))
 524         osect_vma = h->root.u.def.section->output_section->vma;
 525       else
 526         {
 527           asection *sec;
 528           int i;
 529
 530           /* Sigh, the only way to get the section to offset against
 531              is to find it the hard way.  */
 532
 533           for (sec = abfd->sections, i = 1; i < sym->n_scnum; i++)
 534             sec = sec->next;
 535
 536           osect_vma = sec->output_section->vma;
 537         }
 538
 539       *addendp -= osect_vma;
 540     }
 541 #endif
 542
 543   return howto;
 544 }
 545
 546 #define coff_bfd_reloc_type_lookup coff_i386_reloc_type_lookup
 547
 548 static reloc_howto_type *
 549 coff_i386_reloc_type_lookup (abfd, code)
 550      bfd *abfd ATTRIBUTE_UNUSED;
 551      bfd_reloc_code_real_type code;
 552 {
 553   switch (code)
 554     {
 555     case BFD_RELOC_RVA:
 556       return howto_table + R_IMAGEBASE;
 557     case BFD_RELOC_32:
 558       return howto_table + R_DIR32;
 559     case BFD_RELOC_32_PCREL:
 560       return howto_table + R_PCRLONG;
 561     case BFD_RELOC_16:
 562       return howto_table + R_RELWORD;
 563     case BFD_RELOC_16_PCREL:
 564       return howto_table + R_PCRWORD;
 565     case BFD_RELOC_8:
 566       return howto_table + R_RELBYTE;
 567     case BFD_RELOC_8_PCREL:
 568       return howto_table + R_PCRBYTE;
 569 #ifdef COFF_WITH_PE
 570     case BFD_RELOC_32_SECREL:
 571       return howto_table + R_SECREL32;
 572 #endif
 573     default:
 574       BFD_FAIL ();
 575       return 0;
 576     }
 577 }
 578
 579 #define coff_rtype_to_howto coff_i386_rtype_to_howto
 580
 581 #ifdef TARGET_UNDERSCORE
 582
 583 /* If i386 gcc uses underscores for symbol names, then it does not use
 584    a leading dot for local labels, so if TARGET_UNDERSCORE is defined
 585    we treat all symbols starting with L as local.  */
 586
 587 static bfd_boolean coff_i386_is_local_label_name
 588   PARAMS ((bfd *, const char *));
 589
 590 static bfd_boolean
 591 coff_i386_is_local_label_name (abfd, name)
 592      bfd *abfd;
 593      const char *name;
 594 {
 595   if (name[0] == 'L')
 596     return TRUE;
 597
 598   return _bfd_coff_is_local_label_name (abfd, name);
 599 }
 600
 601 #define coff_bfd_is_local_label_name coff_i386_is_local_label_name
 602
 603 #endif /* TARGET_UNDERSCORE */
 604
 605 #include "coffcode.h"
 606
 607 const bfd_target
 608 #ifdef TARGET_SYM
 609   TARGET_SYM =
 610 #else
 611   i386coff_vec =
 612 #endif
 613 {
 614 #ifdef TARGET_NAME
 615   TARGET_NAME,
 616 #else
 617   "coff-i386",                  /* name */
 618 #endif
 619   bfd_target_coff_flavour,
 620   BFD_ENDIAN_LITTLE,            /* data byte order is little */
 621   BFD_ENDIAN_LITTLE,            /* header byte order is little */
 622
 623   (HAS_RELOC | EXEC_P |         /* object flags */
 624    HAS_LINENO | HAS_DEBUG |
 625    HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
 626
 627   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
 628 #ifdef COFF_WITH_PE
 629    | SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY
 630 #endif
 631    | SEC_CODE | SEC_DATA),
 632
 633 #ifdef TARGET_UNDERSCORE
 634   TARGET_UNDERSCORE,            /* leading underscore */
 635 #else
 636   0,                            /* leading underscore */
 637 #endif
 638   '/',                          /* ar_pad_char */
 639   15,                           /* ar_max_namelen */
 640
 641   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 642      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 643      bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
 644   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 645      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 646      bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
 647
 648 /* Note that we allow an object file to be treated as a core file as well.  */
 649     {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
 650        bfd_generic_archive_p, coff_object_p},
 651     {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
 652        bfd_false},
 653     {bfd_false, coff_write_object_contents, /* bfd_write_contents */
 654        _bfd_write_archive_contents, bfd_false},
 655
 656      BFD_JUMP_TABLE_GENERIC (coff),
 657      BFD_JUMP_TABLE_COPY (coff),
 658      BFD_JUMP_TABLE_CORE (_bfd_nocore),
 659      BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 660      BFD_JUMP_TABLE_SYMBOLS (coff),
 661      BFD_JUMP_TABLE_RELOCS (coff),
 662      BFD_JUMP_TABLE_WRITE (coff),
 663      BFD_JUMP_TABLE_LINK (coff),
 664      BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 665
 666   NULL,
 667
 668   COFF_SWAP_TABLE
 669 };