bfd/coff-i386.c

   1 /* BFD back-end for Intel 386 COFF files.
   2    Copyright (C) 1990-2019 Free Software Foundation, Inc.
   3    Written by Cygnus Support.
   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 3 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., 51 Franklin Street - Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22 #include "sysdep.h"
  23 #include "bfd.h"
  24 #include "libbfd.h"
  25
  26 #include "coff/i386.h"
  27
  28 #include "coff/internal.h"
  29
  30 #ifdef COFF_WITH_PE
  31 #include "coff/pe.h"
  32 #endif
  33
  34 #ifdef COFF_GO32_EXE
  35 #include "coff/go32exe.h"
  36 #endif
  37
  38 #ifndef bfd_pe_print_pdata
  39 #define bfd_pe_print_pdata      NULL
  40 #endif
  41
  42 #include "libcoff.h"
  43
  44 static reloc_howto_type *coff_i386_rtype_to_howto
  45   (bfd *, asection *, struct internal_reloc *,
  46    struct coff_link_hash_entry *, struct internal_syment *,
  47    bfd_vma *);
  48 static reloc_howto_type *coff_i386_reloc_type_lookup
  49   (bfd *, bfd_reloc_code_real_type);
  50
  51 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
  52 /* The page size is a guess based on ELF.  */
  53
  54 #define COFF_PAGE_SIZE 0x1000
  55
  56 /* For some reason when using i386 COFF the value stored in the .text
  57    section for a reference to a common symbol is the value itself plus
  58    any desired offset.  Ian Taylor, Cygnus Support.  */
  59
  60 /* If we are producing relocatable output, we need to do some
  61    adjustments to the object file that are not done by the
  62    bfd_perform_relocation function.  This function is called by every
  63    reloc type to make any required adjustments.  */
  64
  65 static bfd_reloc_status_type
  66 coff_i386_reloc (bfd *abfd,
  67                  arelent *reloc_entry,
  68                  asymbol *symbol,
  69                  void * data,
  70                  asection *input_section ATTRIBUTE_UNUSED,
  71                  bfd *output_bfd,
  72                  char **error_message ATTRIBUTE_UNUSED)
  73 {
  74   symvalue diff;
  75
  76 #ifndef COFF_WITH_PE
  77   if (output_bfd == (bfd *) NULL)
  78     return bfd_reloc_continue;
  79 #endif
  80
  81   if (bfd_is_com_section (symbol->section))
  82     {
  83 #ifndef COFF_WITH_PE
  84       /* We are relocating a common symbol.  The current value in the
  85          object file is ORIG + OFFSET, where ORIG is the value of the
  86          common symbol as seen by the object file when it was compiled
  87          (this may be zero if the symbol was undefined) and OFFSET is
  88          the offset into the common symbol (normally zero, but may be
  89          non-zero when referring to a field in a common structure).
  90          ORIG is the negative of reloc_entry->addend, which is set by
  91          the CALC_ADDEND macro below.  We want to replace the value in
  92          the object file with NEW + OFFSET, where NEW is the value of
  93          the common symbol which we are going to put in the final
  94          object file.  NEW is symbol->value.  */
  95       diff = symbol->value + reloc_entry->addend;
  96 #else
  97       /* In PE mode, we do not offset the common symbol.  */
  98       diff = reloc_entry->addend;
  99 #endif
 100     }
 101   else
 102     {
 103       /* For some reason bfd_perform_relocation always effectively
 104          ignores the addend for a COFF target when producing
 105          relocatable output.  This seems to be always wrong for 386
 106          COFF, so we handle the addend here instead.  */
 107 #ifdef COFF_WITH_PE
 108       if (output_bfd == (bfd *) NULL)
 109         {
 110           reloc_howto_type *howto = reloc_entry->howto;
 111
 112           /* Although PC relative relocations are very similar between
 113              PE and non-PE formats, but they are off by 1 << howto->size
 114              bytes. For the external relocation, PE is very different
 115              from others. See md_apply_fix3 () in gas/config/tc-i386.c.
 116              When we link PE and non-PE object files together to
 117              generate a non-PE executable, we have to compensate it
 118              here.  */
 119           if (howto->pc_relative && howto->pcrel_offset)
 120             diff = -(1 << howto->size);
 121           else if (symbol->flags & BSF_WEAK)
 122             diff = reloc_entry->addend - symbol->value;
 123           else
 124             diff = -reloc_entry->addend;
 125         }
 126       else
 127 #endif
 128         diff = reloc_entry->addend;
 129     }
 130
 131 #ifdef COFF_WITH_PE
 132   /* FIXME: How should this case be handled?  */
 133   if (reloc_entry->howto->type == R_IMAGEBASE
 134       && output_bfd != NULL
 135       && bfd_get_flavour(output_bfd) == bfd_target_coff_flavour)
 136     diff -= pe_data (output_bfd)->pe_opthdr.ImageBase;
 137 #endif
 138
 139 #define DOIT(x) \
 140   x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask))
 141
 142   if (diff != 0)
 143     {
 144       reloc_howto_type *howto = reloc_entry->howto;
 145       unsigned char *addr = (unsigned char *) data + reloc_entry->address;
 146
 147       if (! bfd_reloc_offset_in_range (howto, abfd, input_section,
 148                                        reloc_entry->address
 149                                        * bfd_octets_per_byte (abfd)))
 150         return bfd_reloc_outofrange;
 151
 152       switch (howto->size)
 153         {
 154         case 0:
 155           {
 156             char x = bfd_get_8 (abfd, addr);
 157             DOIT (x);
 158             bfd_put_8 (abfd, x, addr);
 159           }
 160           break;
 161
 162         case 1:
 163           {
 164             short x = bfd_get_16 (abfd, addr);
 165             DOIT (x);
 166             bfd_put_16 (abfd, (bfd_vma) x, addr);
 167           }
 168           break;
 169
 170         case 2:
 171           {
 172             long x = bfd_get_32 (abfd, addr);
 173             DOIT (x);
 174             bfd_put_32 (abfd, (bfd_vma) x, addr);
 175           }
 176           break;
 177
 178         default:
 179           abort ();
 180         }
 181     }
 182
 183   /* Now let bfd_perform_relocation finish everything up.  */
 184   return bfd_reloc_continue;
 185 }
 186
 187 #ifdef COFF_WITH_PE
 188 /* Return TRUE if this relocation should appear in the output .reloc
 189    section.  */
 190
 191 static bfd_boolean in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED,
 192                                reloc_howto_type *howto)
 193 {
 194   return ! howto->pc_relative && howto->type != R_IMAGEBASE
 195          && howto->type != R_SECREL32;
 196 }
 197 #endif /* COFF_WITH_PE */
 198
 199 #ifndef PCRELOFFSET
 200 #define PCRELOFFSET FALSE
 201 #endif
 202
 203 static reloc_howto_type howto_table[] =
 204 {
 205   EMPTY_HOWTO (0),
 206   EMPTY_HOWTO (1),
 207   EMPTY_HOWTO (2),
 208   EMPTY_HOWTO (3),
 209   EMPTY_HOWTO (4),
 210   EMPTY_HOWTO (5),
 211   HOWTO (R_DIR32,               /* type */
 212          0,                     /* rightshift */
 213          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 214          32,                    /* bitsize */
 215          FALSE,                 /* pc_relative */
 216          0,                     /* bitpos */
 217          complain_overflow_bitfield, /* complain_on_overflow */
 218          coff_i386_reloc,       /* special_function */
 219          "dir32",               /* name */
 220          TRUE,                  /* partial_inplace */
 221          0xffffffff,            /* src_mask */
 222          0xffffffff,            /* dst_mask */
 223          TRUE),                 /* pcrel_offset */
 224   /* PE IMAGE_REL_I386_DIR32NB relocation (7).  */
 225   HOWTO (R_IMAGEBASE,           /* type */
 226          0,                     /* rightshift */
 227          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 228          32,                    /* bitsize */
 229          FALSE,                 /* pc_relative */
 230          0,                     /* bitpos */
 231          complain_overflow_bitfield, /* complain_on_overflow */
 232          coff_i386_reloc,       /* special_function */
 233          "rva32",               /* name */
 234          TRUE,                  /* partial_inplace */
 235          0xffffffff,            /* src_mask */
 236          0xffffffff,            /* dst_mask */
 237          FALSE),                /* pcrel_offset */
 238   EMPTY_HOWTO (010),
 239   EMPTY_HOWTO (011),
 240   EMPTY_HOWTO (012),
 241 #ifdef COFF_WITH_PE
 242   /* 32-bit longword section relative relocation (013).  */
 243   HOWTO (R_SECREL32,            /* type */
 244          0,                     /* rightshift */
 245          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 246          32,                    /* bitsize */
 247          FALSE,                 /* pc_relative */
 248          0,                     /* bitpos */
 249          complain_overflow_bitfield, /* complain_on_overflow */
 250          coff_i386_reloc,       /* special_function */
 251          "secrel32",            /* name */
 252          TRUE,                  /* partial_inplace */
 253          0xffffffff,            /* src_mask */
 254          0xffffffff,            /* dst_mask */
 255          TRUE),                 /* pcrel_offset */
 256 #else
 257   EMPTY_HOWTO (013),
 258 #endif
 259   EMPTY_HOWTO (014),
 260   EMPTY_HOWTO (015),
 261   EMPTY_HOWTO (016),
 262   /* Byte relocation (017).  */
 263   HOWTO (R_RELBYTE,             /* type */
 264          0,                     /* rightshift */
 265          0,                     /* size (0 = byte, 1 = short, 2 = long) */
 266          8,                     /* bitsize */
 267          FALSE,                 /* pc_relative */
 268          0,                     /* bitpos */
 269          complain_overflow_bitfield, /* complain_on_overflow */
 270          coff_i386_reloc,       /* special_function */
 271          "8",                   /* name */
 272          TRUE,                  /* partial_inplace */
 273          0x000000ff,            /* src_mask */
 274          0x000000ff,            /* dst_mask */
 275          PCRELOFFSET),          /* pcrel_offset */
 276   /* 16-bit word relocation (020).  */
 277   HOWTO (R_RELWORD,             /* type */
 278          0,                     /* rightshift */
 279          1,                     /* size (0 = byte, 1 = short, 2 = long) */
 280          16,                    /* bitsize */
 281          FALSE,                 /* pc_relative */
 282          0,                     /* bitpos */
 283          complain_overflow_bitfield, /* complain_on_overflow */
 284          coff_i386_reloc,       /* special_function */
 285          "16",                  /* name */
 286          TRUE,                  /* partial_inplace */
 287          0x0000ffff,            /* src_mask */
 288          0x0000ffff,            /* dst_mask */
 289          PCRELOFFSET),          /* pcrel_offset */
 290   /* 32-bit longword relocation (021).  */
 291   HOWTO (R_RELLONG,             /* type */
 292          0,                     /* rightshift */
 293          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 294          32,                    /* bitsize */
 295          FALSE,                 /* pc_relative */
 296          0,                     /* bitpos */
 297          complain_overflow_bitfield, /* complain_on_overflow */
 298          coff_i386_reloc,       /* special_function */
 299          "32",                  /* name */
 300          TRUE,                  /* partial_inplace */
 301          0xffffffff,            /* src_mask */
 302          0xffffffff,            /* dst_mask */
 303          PCRELOFFSET),          /* pcrel_offset */
 304   /* Byte PC relative relocation (022).  */
 305   HOWTO (R_PCRBYTE,             /* type */
 306          0,                     /* rightshift */
 307          0,                     /* size (0 = byte, 1 = short, 2 = long) */
 308          8,                     /* bitsize */
 309          TRUE,                  /* pc_relative */
 310          0,                     /* bitpos */
 311          complain_overflow_signed, /* complain_on_overflow */
 312          coff_i386_reloc,       /* special_function */
 313          "DISP8",               /* name */
 314          TRUE,                  /* partial_inplace */
 315          0x000000ff,            /* src_mask */
 316          0x000000ff,            /* dst_mask */
 317          PCRELOFFSET),          /* pcrel_offset */
 318   /* 16-bit word PC relative relocation (023).  */
 319   HOWTO (R_PCRWORD,             /* type */
 320          0,                     /* rightshift */
 321          1,                     /* size (0 = byte, 1 = short, 2 = long) */
 322          16,                    /* bitsize */
 323          TRUE,                  /* pc_relative */
 324          0,                     /* bitpos */
 325          complain_overflow_signed, /* complain_on_overflow */
 326          coff_i386_reloc,       /* special_function */
 327          "DISP16",              /* name */
 328          TRUE,                  /* partial_inplace */
 329          0x0000ffff,            /* src_mask */
 330          0x0000ffff,            /* dst_mask */
 331          PCRELOFFSET),          /* pcrel_offset */
 332   /* 32-bit longword PC relative relocation (024).  */
 333   HOWTO (R_PCRLONG,             /* type */
 334          0,                     /* rightshift */
 335          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 336          32,                    /* bitsize */
 337          TRUE,                  /* pc_relative */
 338          0,                     /* bitpos */
 339          complain_overflow_signed, /* complain_on_overflow */
 340          coff_i386_reloc,       /* special_function */
 341          "DISP32",              /* name */
 342          TRUE,                  /* partial_inplace */
 343          0xffffffff,            /* src_mask */
 344          0xffffffff,            /* dst_mask */
 345          PCRELOFFSET)           /* pcrel_offset */
 346 };
 347
 348 #define NUM_HOWTOS (sizeof (howto_table) / sizeof (howto_table[0]))
 349
 350 /* Turn a howto into a reloc  nunmber */
 351
 352 #define SELECT_RELOC(x,howto) { x.r_type = howto->type; }
 353 #define BADMAG(x) I386BADMAG(x)
 354 #define I386 1                  /* Customize coffcode.h */
 355
 356 #define RTYPE2HOWTO(cache_ptr, dst)                             \
 357   ((cache_ptr)->howto =                                         \
 358    ((dst)->r_type < NUM_HOWTOS                                  \
 359     ? howto_table + (dst)->r_type                               \
 360     : NULL))
 361
 362 /* For 386 COFF a STYP_NOLOAD | STYP_BSS section is part of a shared
 363    library.  On some other COFF targets STYP_BSS is normally
 364    STYP_NOLOAD.  */
 365 #define BSS_NOLOAD_IS_SHARED_LIBRARY
 366
 367 /* Compute the addend of a reloc.  If the reloc is to a common symbol,
 368    the object file contains the value of the common symbol.  By the
 369    time this is called, the linker may be using a different symbol
 370    from a different object file with a different value.  Therefore, we
 371    hack wildly to locate the original symbol from this file so that we
 372    can make the correct adjustment.  This macro sets coffsym to the
 373    symbol from the original file, and uses it to set the addend value
 374    correctly.  If this is not a common symbol, the usual addend
 375    calculation is done, except that an additional tweak is needed for
 376    PC relative relocs.
 377    FIXME: This macro refers to symbols and asect; these are from the
 378    calling function, not the macro arguments.  */
 379
 380 #define CALC_ADDEND(abfd, ptr, reloc, cache_ptr)                \
 381   {                                                             \
 382     coff_symbol_type *coffsym = (coff_symbol_type *) NULL;      \
 383     if (ptr && bfd_asymbol_bfd (ptr) != abfd)                   \
 384       coffsym = (obj_symbols (abfd)                             \
 385                  + (cache_ptr->sym_ptr_ptr - symbols));         \
 386     else if (ptr)                                               \
 387       coffsym = coff_symbol_from (ptr);                         \
 388     if (coffsym != (coff_symbol_type *) NULL                    \
 389         && coffsym->native->u.syment.n_scnum == 0)              \
 390       cache_ptr->addend = - coffsym->native->u.syment.n_value;  \
 391     else if (ptr && bfd_asymbol_bfd (ptr) == abfd               \
 392              && ptr->section != (asection *) NULL)              \
 393       cache_ptr->addend = - (ptr->section->vma + ptr->value);   \
 394     else                                                        \
 395       cache_ptr->addend = 0;                                    \
 396     if (ptr && reloc.r_type < NUM_HOWTOS                        \
 397         && howto_table[reloc.r_type].pc_relative)               \
 398       cache_ptr->addend += asect->vma;                          \
 399   }
 400
 401 /* We use the special COFF backend linker.  For normal i386 COFF, we
 402    can use the generic relocate_section routine.  For PE, we need our
 403    own routine.  */
 404
 405 #ifndef COFF_WITH_PE
 406
 407 #define coff_relocate_section _bfd_coff_generic_relocate_section
 408
 409 #else /* COFF_WITH_PE */
 410
 411 /* The PE relocate section routine.  The only difference between this
 412    and the regular routine is that we don't want to do anything for a
 413    relocatable link.  */
 414
 415 static bfd_boolean
 416 coff_pe_i386_relocate_section (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 (bfd_link_relocatable (info))
 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 (bfd *abfd ATTRIBUTE_UNUSED,
 441                           asection *sec,
 442                           struct internal_reloc *rel,
 443                           struct coff_link_hash_entry *h,
 444                           struct internal_syment *sym,
 445                           bfd_vma *addendp)
 446 {
 447   reloc_howto_type *howto;
 448
 449   if (rel->r_type >= NUM_HOWTOS)
 450     {
 451       bfd_set_error (bfd_error_bad_value);
 452       return NULL;
 453     }
 454
 455   howto = howto_table + rel->r_type;
 456
 457 #ifdef COFF_WITH_PE
 458   /* Cancel out code in _bfd_coff_generic_relocate_section.  */
 459   *addendp = 0;
 460 #endif
 461
 462   if (howto->pc_relative)
 463     *addendp += sec->vma;
 464
 465   if (sym != NULL && sym->n_scnum == 0 && sym->n_value != 0)
 466     {
 467       /* This is a common symbol.  The section contents include the
 468          size (sym->n_value) as an addend.  The relocate_section
 469          function will be adding in the final value of the symbol.  We
 470          need to subtract out the current size in order to get the
 471          correct result.  */
 472
 473       BFD_ASSERT (h != NULL);
 474
 475 #ifndef COFF_WITH_PE
 476       /* I think we *do* want to bypass this.  If we don't, I have
 477          seen some data parameters get the wrong relocation address.
 478          If I link two versions with and without this section bypassed
 479          and then do a binary comparison, the addresses which are
 480          different can be looked up in the map.  The case in which
 481          this section has been bypassed has addresses which correspond
 482          to values I can find in the map.  */
 483       *addendp -= sym->n_value;
 484 #endif
 485     }
 486
 487 #ifndef COFF_WITH_PE
 488   /* If the output symbol is common (in which case this must be a
 489      relocatable link), we need to add in the final size of the
 490      common symbol.  */
 491   if (h != NULL && h->root.type == bfd_link_hash_common)
 492     *addendp += h->root.u.c.size;
 493 #endif
 494
 495 #ifdef COFF_WITH_PE
 496   if (howto->pc_relative)
 497     {
 498       *addendp -= 4;
 499
 500       /* If the symbol is defined, then the generic code is going to
 501          add back the symbol value in order to cancel out an
 502          adjustment it made to the addend.  However, we set the addend
 503          to 0 at the start of this function.  We need to adjust here,
 504          to avoid the adjustment the generic code will make.  FIXME:
 505          This is getting a bit hackish.  */
 506       if (sym != NULL && sym->n_scnum != 0)
 507         *addendp -= sym->n_value;
 508     }
 509
 510   if (rel->r_type == R_IMAGEBASE
 511       && (bfd_get_flavour(sec->output_section->owner)
 512           == bfd_target_coff_flavour))
 513     {
 514       *addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase;
 515     }
 516
 517   /* PR 17099 - Absolute R_PCRLONG relocations do not need a symbol.  */
 518   if (rel->r_type == R_PCRLONG && sym == NULL)
 519     *addendp -= rel->r_vaddr;
 520   else
 521     BFD_ASSERT (sym != NULL);
 522
 523   if (rel->r_type == R_SECREL32 && sym != NULL)
 524     {
 525       bfd_vma osect_vma;
 526
 527       if (h && (h->root.type == bfd_link_hash_defined
 528                 || h->root.type == bfd_link_hash_defweak))
 529         osect_vma = h->root.u.def.section->output_section->vma;
 530       else
 531         {
 532           asection *s;
 533           int i;
 534
 535           /* Sigh, the only way to get the section to offset against
 536              is to find it the hard way.  */
 537
 538           for (s = abfd->sections, i = 1; i < sym->n_scnum; i++)
 539             s = s->next;
 540
 541           osect_vma = s->output_section->vma;
 542         }
 543
 544       *addendp -= osect_vma;
 545     }
 546 #endif
 547
 548   return howto;
 549 }
 550
 551 #define coff_bfd_reloc_type_lookup coff_i386_reloc_type_lookup
 552 #define coff_bfd_reloc_name_lookup coff_i386_reloc_name_lookup
 553
 554 static reloc_howto_type *
 555 coff_i386_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
 556                              bfd_reloc_code_real_type code)
 557 {
 558   switch (code)
 559     {
 560     case BFD_RELOC_RVA:
 561       return howto_table + R_IMAGEBASE;
 562     case BFD_RELOC_32:
 563       return howto_table + R_DIR32;
 564     case BFD_RELOC_32_PCREL:
 565       return howto_table + R_PCRLONG;
 566     case BFD_RELOC_16:
 567       return howto_table + R_RELWORD;
 568     case BFD_RELOC_16_PCREL:
 569       return howto_table + R_PCRWORD;
 570     case BFD_RELOC_8:
 571       return howto_table + R_RELBYTE;
 572     case BFD_RELOC_8_PCREL:
 573       return howto_table + R_PCRBYTE;
 574 #ifdef COFF_WITH_PE
 575     case BFD_RELOC_32_SECREL:
 576       return howto_table + R_SECREL32;
 577 #endif
 578     default:
 579       BFD_FAIL ();
 580       return 0;
 581     }
 582 }
 583
 584 static reloc_howto_type *
 585 coff_i386_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
 586                              const char *r_name)
 587 {
 588   unsigned int i;
 589
 590   for (i = 0; i < NUM_HOWTOS; i++)
 591     if (howto_table[i].name != NULL
 592         && strcasecmp (howto_table[i].name, r_name) == 0)
 593       return &howto_table[i];
 594
 595   return NULL;
 596 }
 597
 598 #define coff_rtype_to_howto coff_i386_rtype_to_howto
 599
 600 #ifdef TARGET_UNDERSCORE
 601
 602 /* If i386 gcc uses underscores for symbol names, then it does not use
 603    a leading dot for local labels, so if TARGET_UNDERSCORE is defined
 604    we treat all symbols starting with L as local.  */
 605
 606 static bfd_boolean
 607 coff_i386_is_local_label_name (bfd *abfd, const char *name)
 608 {
 609   if (name[0] == 'L')
 610     return TRUE;
 611
 612   return _bfd_coff_is_local_label_name (abfd, name);
 613 }
 614
 615 #define coff_bfd_is_local_label_name coff_i386_is_local_label_name
 616
 617 #endif /* TARGET_UNDERSCORE */
 618
 619 #include "coffcode.h"
 620
 621 const bfd_target
 622 #ifdef TARGET_SYM
 623   TARGET_SYM =
 624 #else
 625   i386_coff_vec =
 626 #endif
 627 {
 628 #ifdef TARGET_NAME
 629   TARGET_NAME,
 630 #else
 631   "coff-i386",                  /* name */
 632 #endif
 633   bfd_target_coff_flavour,
 634   BFD_ENDIAN_LITTLE,            /* data byte order is little */
 635   BFD_ENDIAN_LITTLE,            /* header byte order is little */
 636
 637   (HAS_RELOC | EXEC_P |         /* object flags */
 638    HAS_LINENO | HAS_DEBUG |
 639    HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS ),
 640
 641   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
 642 #ifdef COFF_WITH_PE
 643    | SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING
 644 #endif
 645    | SEC_CODE | SEC_DATA | SEC_EXCLUDE ),
 646
 647 #ifdef TARGET_UNDERSCORE
 648   TARGET_UNDERSCORE,            /* leading underscore */
 649 #else
 650   0,                            /* leading underscore */
 651 #endif
 652   '/',                          /* ar_pad_char */
 653   15,                           /* ar_max_namelen */
 654   0,                            /* match priority.  */
 655
 656   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 657      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 658      bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
 659   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 660      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 661      bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
 662
 663 /* Note that we allow an object file to be treated as a core file as well.  */
 664
 665 #ifdef COFF_CHECK_FORMAT
 666   {                             /* bfd_check_format */
 667     _bfd_dummy_target,
 668     COFF_CHECK_FORMAT,
 669     bfd_generic_archive_p,
 670     COFF_CHECK_FORMAT
 671   },
 672 #else
 673   {
 674     _bfd_dummy_target,
 675     coff_object_p,
 676     bfd_generic_archive_p,
 677     coff_object_p
 678   },
 679 #endif
 680   {                             /* bfd_set_format */
 681     _bfd_bool_bfd_false_error,
 682     coff_mkobject,
 683     _bfd_generic_mkarchive,
 684     _bfd_bool_bfd_false_error
 685   },
 686   {                             /* bfd_write_contents */
 687     _bfd_bool_bfd_false_error,
 688     coff_write_object_contents,
 689     _bfd_write_archive_contents,
 690     _bfd_bool_bfd_false_error
 691   },
 692
 693   BFD_JUMP_TABLE_GENERIC (coff),
 694   BFD_JUMP_TABLE_COPY (coff),
 695   BFD_JUMP_TABLE_CORE (_bfd_nocore),
 696   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 697   BFD_JUMP_TABLE_SYMBOLS (coff),
 698   BFD_JUMP_TABLE_RELOCS (coff),
 699   BFD_JUMP_TABLE_WRITE (coff),
 700   BFD_JUMP_TABLE_LINK (coff),
 701   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 702
 703   NULL,
 704
 705   COFF_SWAP_TABLE
 706 };