bfd/coff-i386.c

   1 /* BFD back-end for Intel 386 COFF files.
   2    Copyright (C) 1990-2017 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       switch (howto->size)
 148         {
 149         case 0:
 150           {
 151             char x = bfd_get_8 (abfd, addr);
 152             DOIT (x);
 153             bfd_put_8 (abfd, x, addr);
 154           }
 155           break;
 156
 157         case 1:
 158           {
 159             short x = bfd_get_16 (abfd, addr);
 160             DOIT (x);
 161             bfd_put_16 (abfd, (bfd_vma) x, addr);
 162           }
 163           break;
 164
 165         case 2:
 166           {
 167             long x = bfd_get_32 (abfd, addr);
 168             DOIT (x);
 169             bfd_put_32 (abfd, (bfd_vma) x, addr);
 170           }
 171           break;
 172
 173         default:
 174           abort ();
 175         }
 176     }
 177
 178   /* Now let bfd_perform_relocation finish everything up.  */
 179   return bfd_reloc_continue;
 180 }
 181
 182 #ifdef COFF_WITH_PE
 183 /* Return TRUE if this relocation should appear in the output .reloc
 184    section.  */
 185
 186 static bfd_boolean in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED,
 187                                reloc_howto_type *howto)
 188 {
 189   return ! howto->pc_relative && howto->type != R_IMAGEBASE
 190          && howto->type != R_SECREL32;
 191 }
 192 #endif /* COFF_WITH_PE */
 193
 194 #ifndef PCRELOFFSET
 195 #define PCRELOFFSET FALSE
 196 #endif
 197
 198 static reloc_howto_type howto_table[] =
 199 {
 200   EMPTY_HOWTO (0),
 201   EMPTY_HOWTO (1),
 202   EMPTY_HOWTO (2),
 203   EMPTY_HOWTO (3),
 204   EMPTY_HOWTO (4),
 205   EMPTY_HOWTO (5),
 206   HOWTO (R_DIR32,               /* type */
 207          0,                     /* rightshift */
 208          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 209          32,                    /* bitsize */
 210          FALSE,                 /* pc_relative */
 211          0,                     /* bitpos */
 212          complain_overflow_bitfield, /* complain_on_overflow */
 213          coff_i386_reloc,       /* special_function */
 214          "dir32",               /* name */
 215          TRUE,                  /* partial_inplace */
 216          0xffffffff,            /* src_mask */
 217          0xffffffff,            /* dst_mask */
 218          TRUE),                 /* pcrel_offset */
 219   /* PE IMAGE_REL_I386_DIR32NB relocation (7).  */
 220   HOWTO (R_IMAGEBASE,           /* type */
 221          0,                     /* rightshift */
 222          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 223          32,                    /* bitsize */
 224          FALSE,                 /* pc_relative */
 225          0,                     /* bitpos */
 226          complain_overflow_bitfield, /* complain_on_overflow */
 227          coff_i386_reloc,       /* special_function */
 228          "rva32",               /* name */
 229          TRUE,                  /* partial_inplace */
 230          0xffffffff,            /* src_mask */
 231          0xffffffff,            /* dst_mask */
 232          FALSE),                /* pcrel_offset */
 233   EMPTY_HOWTO (010),
 234   EMPTY_HOWTO (011),
 235   EMPTY_HOWTO (012),
 236 #ifdef COFF_WITH_PE
 237   /* 32-bit longword section relative relocation (013).  */
 238   HOWTO (R_SECREL32,            /* type */
 239          0,                     /* rightshift */
 240          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 241          32,                    /* bitsize */
 242          FALSE,                 /* pc_relative */
 243          0,                     /* bitpos */
 244          complain_overflow_bitfield, /* complain_on_overflow */
 245          coff_i386_reloc,       /* special_function */
 246          "secrel32",            /* name */
 247          TRUE,                  /* partial_inplace */
 248          0xffffffff,            /* src_mask */
 249          0xffffffff,            /* dst_mask */
 250          TRUE),                 /* pcrel_offset */
 251 #else
 252   EMPTY_HOWTO (013),
 253 #endif
 254   EMPTY_HOWTO (014),
 255   EMPTY_HOWTO (015),
 256   EMPTY_HOWTO (016),
 257   /* Byte relocation (017).  */
 258   HOWTO (R_RELBYTE,             /* type */
 259          0,                     /* rightshift */
 260          0,                     /* size (0 = byte, 1 = short, 2 = long) */
 261          8,                     /* bitsize */
 262          FALSE,                 /* pc_relative */
 263          0,                     /* bitpos */
 264          complain_overflow_bitfield, /* complain_on_overflow */
 265          coff_i386_reloc,       /* special_function */
 266          "8",                   /* name */
 267          TRUE,                  /* partial_inplace */
 268          0x000000ff,            /* src_mask */
 269          0x000000ff,            /* dst_mask */
 270          PCRELOFFSET),          /* pcrel_offset */
 271   /* 16-bit word relocation (020).  */
 272   HOWTO (R_RELWORD,             /* type */
 273          0,                     /* rightshift */
 274          1,                     /* size (0 = byte, 1 = short, 2 = long) */
 275          16,                    /* bitsize */
 276          FALSE,                 /* pc_relative */
 277          0,                     /* bitpos */
 278          complain_overflow_bitfield, /* complain_on_overflow */
 279          coff_i386_reloc,       /* special_function */
 280          "16",                  /* name */
 281          TRUE,                  /* partial_inplace */
 282          0x0000ffff,            /* src_mask */
 283          0x0000ffff,            /* dst_mask */
 284          PCRELOFFSET),          /* pcrel_offset */
 285   /* 32-bit longword relocation (021).  */
 286   HOWTO (R_RELLONG,             /* type */
 287          0,                     /* rightshift */
 288          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 289          32,                    /* bitsize */
 290          FALSE,                 /* pc_relative */
 291          0,                     /* bitpos */
 292          complain_overflow_bitfield, /* complain_on_overflow */
 293          coff_i386_reloc,       /* special_function */
 294          "32",                  /* name */
 295          TRUE,                  /* partial_inplace */
 296          0xffffffff,            /* src_mask */
 297          0xffffffff,            /* dst_mask */
 298          PCRELOFFSET),          /* pcrel_offset */
 299   /* Byte PC relative relocation (022).  */
 300   HOWTO (R_PCRBYTE,             /* type */
 301          0,                     /* rightshift */
 302          0,                     /* size (0 = byte, 1 = short, 2 = long) */
 303          8,                     /* bitsize */
 304          TRUE,                  /* pc_relative */
 305          0,                     /* bitpos */
 306          complain_overflow_signed, /* complain_on_overflow */
 307          coff_i386_reloc,       /* special_function */
 308          "DISP8",               /* name */
 309          TRUE,                  /* partial_inplace */
 310          0x000000ff,            /* src_mask */
 311          0x000000ff,            /* dst_mask */
 312          PCRELOFFSET),          /* pcrel_offset */
 313   /* 16-bit word PC relative relocation (023).  */
 314   HOWTO (R_PCRWORD,             /* type */
 315          0,                     /* rightshift */
 316          1,                     /* size (0 = byte, 1 = short, 2 = long) */
 317          16,                    /* bitsize */
 318          TRUE,                  /* pc_relative */
 319          0,                     /* bitpos */
 320          complain_overflow_signed, /* complain_on_overflow */
 321          coff_i386_reloc,       /* special_function */
 322          "DISP16",              /* name */
 323          TRUE,                  /* partial_inplace */
 324          0x0000ffff,            /* src_mask */
 325          0x0000ffff,            /* dst_mask */
 326          PCRELOFFSET),          /* pcrel_offset */
 327   /* 32-bit longword PC relative relocation (024).  */
 328   HOWTO (R_PCRLONG,             /* type */
 329          0,                     /* rightshift */
 330          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 331          32,                    /* bitsize */
 332          TRUE,                  /* pc_relative */
 333          0,                     /* bitpos */
 334          complain_overflow_signed, /* complain_on_overflow */
 335          coff_i386_reloc,       /* special_function */
 336          "DISP32",              /* name */
 337          TRUE,                  /* partial_inplace */
 338          0xffffffff,            /* src_mask */
 339          0xffffffff,            /* dst_mask */
 340          PCRELOFFSET)           /* pcrel_offset */
 341 };
 342
 343 #define NUM_HOWTOS (sizeof (howto_table) / sizeof (howto_table[0]))
 344
 345 /* Turn a howto into a reloc  nunmber */
 346
 347 #define SELECT_RELOC(x,howto) { x.r_type = howto->type; }
 348 #define BADMAG(x) I386BADMAG(x)
 349 #define I386 1                  /* Customize coffcode.h */
 350
 351 #define RTYPE2HOWTO(cache_ptr, dst)                             \
 352   ((cache_ptr)->howto =                                         \
 353    ((dst)->r_type < NUM_HOWTOS                                  \
 354     ? howto_table + (dst)->r_type                               \
 355     : NULL))
 356
 357 /* For 386 COFF a STYP_NOLOAD | STYP_BSS section is part of a shared
 358    library.  On some other COFF targets STYP_BSS is normally
 359    STYP_NOLOAD.  */
 360 #define BSS_NOLOAD_IS_SHARED_LIBRARY
 361
 362 /* Compute the addend of a reloc.  If the reloc is to a common symbol,
 363    the object file contains the value of the common symbol.  By the
 364    time this is called, the linker may be using a different symbol
 365    from a different object file with a different value.  Therefore, we
 366    hack wildly to locate the original symbol from this file so that we
 367    can make the correct adjustment.  This macro sets coffsym to the
 368    symbol from the original file, and uses it to set the addend value
 369    correctly.  If this is not a common symbol, the usual addend
 370    calculation is done, except that an additional tweak is needed for
 371    PC relative relocs.
 372    FIXME: This macro refers to symbols and asect; these are from the
 373    calling function, not the macro arguments.  */
 374
 375 #define CALC_ADDEND(abfd, ptr, reloc, cache_ptr)                \
 376   {                                                             \
 377     coff_symbol_type *coffsym = (coff_symbol_type *) NULL;      \
 378     if (ptr && bfd_asymbol_bfd (ptr) != abfd)                   \
 379       coffsym = (obj_symbols (abfd)                             \
 380                  + (cache_ptr->sym_ptr_ptr - symbols));         \
 381     else if (ptr)                                               \
 382       coffsym = coff_symbol_from (ptr);                         \
 383     if (coffsym != (coff_symbol_type *) NULL                    \
 384         && coffsym->native->u.syment.n_scnum == 0)              \
 385       cache_ptr->addend = - coffsym->native->u.syment.n_value;  \
 386     else if (ptr && bfd_asymbol_bfd (ptr) == abfd               \
 387              && ptr->section != (asection *) NULL)              \
 388       cache_ptr->addend = - (ptr->section->vma + ptr->value);   \
 389     else                                                        \
 390       cache_ptr->addend = 0;                                    \
 391     if (ptr && reloc.r_type < NUM_HOWTOS                        \
 392         && howto_table[reloc.r_type].pc_relative)               \
 393       cache_ptr->addend += asect->vma;                          \
 394   }
 395
 396 /* We use the special COFF backend linker.  For normal i386 COFF, we
 397    can use the generic relocate_section routine.  For PE, we need our
 398    own routine.  */
 399
 400 #ifndef COFF_WITH_PE
 401
 402 #define coff_relocate_section _bfd_coff_generic_relocate_section
 403
 404 #else /* COFF_WITH_PE */
 405
 406 /* The PE relocate section routine.  The only difference between this
 407    and the regular routine is that we don't want to do anything for a
 408    relocatable link.  */
 409
 410 static bfd_boolean
 411 coff_pe_i386_relocate_section (bfd *output_bfd,
 412                                struct bfd_link_info *info,
 413                                bfd *input_bfd,
 414                                asection *input_section,
 415                                bfd_byte *contents,
 416                                struct internal_reloc *relocs,
 417                                struct internal_syment *syms,
 418                                asection **sections)
 419 {
 420   if (bfd_link_relocatable (info))
 421     return TRUE;
 422
 423   return _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd,
 424                                              input_section, contents,
 425                                              relocs, syms, sections);
 426 }
 427
 428 #define coff_relocate_section coff_pe_i386_relocate_section
 429
 430 #endif /* COFF_WITH_PE */
 431
 432 /* Convert an rtype to howto for the COFF backend linker.  */
 433
 434 static reloc_howto_type *
 435 coff_i386_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
 436                           asection *sec,
 437                           struct internal_reloc *rel,
 438                           struct coff_link_hash_entry *h,
 439                           struct internal_syment *sym,
 440                           bfd_vma *addendp)
 441 {
 442   reloc_howto_type *howto;
 443
 444   if (rel->r_type >= NUM_HOWTOS)
 445     {
 446       bfd_set_error (bfd_error_bad_value);
 447       return NULL;
 448     }
 449
 450   howto = howto_table + rel->r_type;
 451
 452 #ifdef COFF_WITH_PE
 453   /* Cancel out code in _bfd_coff_generic_relocate_section.  */
 454   *addendp = 0;
 455 #endif
 456
 457   if (howto->pc_relative)
 458     *addendp += sec->vma;
 459
 460   if (sym != NULL && sym->n_scnum == 0 && sym->n_value != 0)
 461     {
 462       /* This is a common symbol.  The section contents include the
 463          size (sym->n_value) as an addend.  The relocate_section
 464          function will be adding in the final value of the symbol.  We
 465          need to subtract out the current size in order to get the
 466          correct result.  */
 467
 468       BFD_ASSERT (h != NULL);
 469
 470 #ifndef COFF_WITH_PE
 471       /* I think we *do* want to bypass this.  If we don't, I have
 472          seen some data parameters get the wrong relocation address.
 473          If I link two versions with and without this section bypassed
 474          and then do a binary comparison, the addresses which are
 475          different can be looked up in the map.  The case in which
 476          this section has been bypassed has addresses which correspond
 477          to values I can find in the map.  */
 478       *addendp -= sym->n_value;
 479 #endif
 480     }
 481
 482 #ifndef COFF_WITH_PE
 483   /* If the output symbol is common (in which case this must be a
 484      relocatable link), we need to add in the final size of the
 485      common symbol.  */
 486   if (h != NULL && h->root.type == bfd_link_hash_common)
 487     *addendp += h->root.u.c.size;
 488 #endif
 489
 490 #ifdef COFF_WITH_PE
 491   if (howto->pc_relative)
 492     {
 493       *addendp -= 4;
 494
 495       /* If the symbol is defined, then the generic code is going to
 496          add back the symbol value in order to cancel out an
 497          adjustment it made to the addend.  However, we set the addend
 498          to 0 at the start of this function.  We need to adjust here,
 499          to avoid the adjustment the generic code will make.  FIXME:
 500          This is getting a bit hackish.  */
 501       if (sym != NULL && sym->n_scnum != 0)
 502         *addendp -= sym->n_value;
 503     }
 504
 505   if (rel->r_type == R_IMAGEBASE
 506       && (bfd_get_flavour(sec->output_section->owner)
 507           == bfd_target_coff_flavour))
 508     {
 509       *addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase;
 510     }
 511
 512   /* PR 17099 - Absolute R_PCRLONG relocations do not need a symbol.  */
 513   if (rel->r_type == R_PCRLONG && sym == NULL)
 514     *addendp -= rel->r_vaddr;
 515   else
 516     BFD_ASSERT (sym != NULL);
 517
 518   if (rel->r_type == R_SECREL32 && sym != NULL)
 519     {
 520       bfd_vma osect_vma;
 521
 522       if (h && (h->root.type == bfd_link_hash_defined
 523                 || h->root.type == bfd_link_hash_defweak))
 524         osect_vma = h->root.u.def.section->output_section->vma;
 525       else
 526         {
 527           asection *s;
 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 (s = abfd->sections, i = 1; i < sym->n_scnum; i++)
 534             s = s->next;
 535
 536           osect_vma = s->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 #define coff_bfd_reloc_name_lookup coff_i386_reloc_name_lookup
 548
 549 static reloc_howto_type *
 550 coff_i386_reloc_type_lookup (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 static reloc_howto_type *
 580 coff_i386_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
 581                              const char *r_name)
 582 {
 583   unsigned int i;
 584
 585   for (i = 0; i < NUM_HOWTOS; i++)
 586     if (howto_table[i].name != NULL
 587         && strcasecmp (howto_table[i].name, r_name) == 0)
 588       return &howto_table[i];
 589
 590   return NULL;
 591 }
 592
 593 #define coff_rtype_to_howto coff_i386_rtype_to_howto
 594
 595 #ifdef TARGET_UNDERSCORE
 596
 597 /* If i386 gcc uses underscores for symbol names, then it does not use
 598    a leading dot for local labels, so if TARGET_UNDERSCORE is defined
 599    we treat all symbols starting with L as local.  */
 600
 601 static bfd_boolean
 602 coff_i386_is_local_label_name (bfd *abfd, const char *name)
 603 {
 604   if (name[0] == 'L')
 605     return TRUE;
 606
 607   return _bfd_coff_is_local_label_name (abfd, name);
 608 }
 609
 610 #define coff_bfd_is_local_label_name coff_i386_is_local_label_name
 611
 612 #endif /* TARGET_UNDERSCORE */
 613
 614 #include "coffcode.h"
 615
 616 const bfd_target
 617 #ifdef TARGET_SYM
 618   TARGET_SYM =
 619 #else
 620   i386_coff_vec =
 621 #endif
 622 {
 623 #ifdef TARGET_NAME
 624   TARGET_NAME,
 625 #else
 626   "coff-i386",                  /* name */
 627 #endif
 628   bfd_target_coff_flavour,
 629   BFD_ENDIAN_LITTLE,            /* data byte order is little */
 630   BFD_ENDIAN_LITTLE,            /* header byte order is little */
 631
 632   (HAS_RELOC | EXEC_P |         /* object flags */
 633    HAS_LINENO | HAS_DEBUG |
 634    HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS ),
 635
 636   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
 637 #ifdef COFF_WITH_PE
 638    | SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING
 639 #endif
 640    | SEC_CODE | SEC_DATA | SEC_EXCLUDE ),
 641
 642 #ifdef TARGET_UNDERSCORE
 643   TARGET_UNDERSCORE,            /* leading underscore */
 644 #else
 645   0,                            /* leading underscore */
 646 #endif
 647   '/',                          /* ar_pad_char */
 648   15,                           /* ar_max_namelen */
 649   0,                            /* match priority.  */
 650
 651   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 652      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 653      bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
 654   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 655      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 656      bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
 657
 658 /* Note that we allow an object file to be treated as a core file as well.  */
 659     /* bfd_check_format */
 660 #ifdef COFF_CHECK_FORMAT
 661     {_bfd_dummy_target, COFF_CHECK_FORMAT,
 662        bfd_generic_archive_p, COFF_CHECK_FORMAT},
 663 #else
 664     {_bfd_dummy_target, coff_object_p, bfd_generic_archive_p, coff_object_p},
 665 #endif
 666     {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
 667        bfd_false},
 668     {bfd_false, coff_write_object_contents, /* bfd_write_contents */
 669        _bfd_write_archive_contents, bfd_false},
 670
 671      BFD_JUMP_TABLE_GENERIC (coff),
 672      BFD_JUMP_TABLE_COPY (coff),
 673      BFD_JUMP_TABLE_CORE (_bfd_nocore),
 674      BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 675      BFD_JUMP_TABLE_SYMBOLS (coff),
 676      BFD_JUMP_TABLE_RELOCS (coff),
 677      BFD_JUMP_TABLE_WRITE (coff),
 678      BFD_JUMP_TABLE_LINK (coff),
 679      BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 680
 681   NULL,
 682
 683   COFF_SWAP_TABLE
 684 };