bfd/coff-mcore.c

   1 /* BFD back-end for Motorola MCore COFF/PE
   2    Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
   3
   4 This file is part of BFD, the Binary File Descriptor library.
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 #include "bfd.h"
  22 #include "sysdep.h"
  23 #include "libbfd.h"
  24 #include "coff/mcore.h"
  25 #include "coff/internal.h"
  26 #include "coff/pe.h"
  27 #include "libcoff.h"
  28
  29 #ifdef BADMAG
  30 #undef BADMAG
  31 #endif
  32 #define BADMAG(x) MCOREBADMAG(x)
  33
  34 #ifndef NUM_ELEM
  35 #define NUM_ELEM(A) (sizeof (A) / sizeof (A)[0])
  36 #endif
  37
  38 /* This file is compiled more than once, but we only compile the
  39    final_link routine once.  */
  40 extern boolean mcore_bfd_coff_final_link
  41   PARAMS ((bfd *, struct bfd_link_info *));
  42
  43 static struct bfd_link_hash_table * coff_mcore_link_hash_table_create
  44   PARAMS ((bfd *));
  45 static bfd_reloc_status_type        mcore_coff_unsupported_reloc
  46   PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
  47 static boolean                      coff_mcore_relocate_section
  48   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
  49            struct internal_reloc *, struct internal_syment *, asection **));
  50 static reloc_howto_type *           mcore_coff_reloc_type_lookup
  51   PARAMS ((bfd *, bfd_reloc_code_real_type));
  52 static reloc_howto_type *           coff_mcore_rtype_to_howto
  53   PARAMS ((bfd *, asection *, struct internal_reloc *,
  54            struct coff_link_hash_entry *, struct internal_syment *, bfd_vma *));
  55 \f
  56 /* The NT loader points the toc register to &toc + 32768, in order to
  57    use the complete range of a 16-bit displacement. We have to adjust
  58    for this when we fix up loads displaced off the toc reg.  */
  59 #define TOC_LOAD_ADJUSTMENT (-32768)
  60 #define TOC_SECTION_NAME ".private.toc"
  61
  62 /* The main body of code is in coffcode.h.  */
  63 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 2
  64
  65 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value
  66    from smaller values.  Start with zero, widen, *then* decrement.  */
  67 #define MINUS_ONE       (((bfd_vma)0) - 1)
  68 \f
  69 static reloc_howto_type mcore_coff_howto_table[] =
  70 {
  71   /* Unused: */
  72   HOWTO (IMAGE_REL_MCORE_ABSOLUTE,/* type */
  73          0,                      /* rightshift */
  74          0,                      /* size (0 = byte, 1 = short, 2 = long) */
  75          0,                      /* bitsize */
  76          false,                  /* pc_relative */
  77          0,                      /* bitpos */
  78          complain_overflow_dont, /* dont complain_on_overflow */
  79          NULL,                   /* special_function */
  80          "ABSOLUTE",             /* name */
  81          false,                  /* partial_inplace */
  82          0x00,                   /* src_mask */
  83          0x00,                   /* dst_mask */
  84          false),                 /* pcrel_offset */
  85
  86   HOWTO (IMAGE_REL_MCORE_ADDR32,/* type */
  87          0,                     /* rightshift */
  88          2,                     /* size (0 = byte, 1 = short, 2 = long) */
  89          32,                    /* bitsize */
  90          false,                 /* pc_relative */
  91          0,                     /* bitpos */
  92          complain_overflow_bitfield, /* complain_on_overflow */
  93          NULL,                  /* special_function */
  94          "ADDR32",              /* name */
  95          true,                  /* partial_inplace */
  96          0xffffffff,            /* src_mask */
  97          0xffffffff,            /* dst_mask */
  98          false),                /* pcrel_offset */
  99
 100   /* 8 bits + 2 zero bits; jmpi/jsri/lrw instructions.
 101      Should not appear in object files.  */
 102   HOWTO (IMAGE_REL_MCORE_PCREL_IMM8BY4, /* type */
 103          2,                     /* rightshift */
 104          1,                     /* size (0 = byte, 1 = short, 2 = long) */
 105          8,                     /* bitsize */
 106          true,                  /* pc_relative */
 107          0,                     /* bitpos */
 108          complain_overflow_bitfield, /* complain_on_overflow */
 109          mcore_coff_unsupported_reloc, /* special_function */
 110          "IMM8BY4",             /* name */
 111          false,                 /* partial_inplace */
 112          0,                     /* src_mask */
 113          0,                     /* dst_mask */
 114          true),                 /* pcrel_offset */
 115
 116   /* bsr/bt/bf/br instructions; 11 bits + 1 zero bit
 117      Span 2k instructions == 4k bytes.
 118      Only useful pieces at the relocated address are the opcode (5 bits) */
 119   HOWTO (IMAGE_REL_MCORE_PCREL_IMM11BY2,/* type */
 120          1,                     /* rightshift */
 121          1,                     /* size (0 = byte, 1 = short, 2 = long) */
 122          11,                    /* bitsize */
 123          true,                  /* pc_relative */
 124          0,                     /* bitpos */
 125          complain_overflow_signed, /* complain_on_overflow */
 126          NULL,                  /* special_function */
 127          "IMM11BY2",            /* name */
 128          false,                 /* partial_inplace */
 129          0x0,                   /* src_mask */
 130          0x7ff,                 /* dst_mask */
 131          true),                 /* pcrel_offset */
 132
 133   /* 4 bits + 1 zero bit; 'loopt' instruction only; unsupported.  */
 134   HOWTO (IMAGE_REL_MCORE_PCREL_IMM4BY2, /* type */
 135          1,                     /* rightshift */
 136          1,                     /* size (0 = byte, 1 = short, 2 = long) */
 137          4,                     /* bitsize */
 138          true,                  /* pc_relative */
 139          0,                     /* bitpos */
 140          complain_overflow_bitfield, /* complain_on_overflow */
 141          mcore_coff_unsupported_reloc, /* special_function */
 142          "IMM4BY2",              /* name */
 143          false,                 /* partial_inplace */
 144          0,                     /* src_mask */
 145          0,                     /* dst_mask */
 146          true),                 /* pcrel_offset */
 147
 148   /* 32-bit pc-relative. Eventually this will help support PIC code.  */
 149   HOWTO (IMAGE_REL_MCORE_PCREL_32,/* type */
 150          0,                     /* rightshift */
 151          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 152          32,                    /* bitsize */
 153          true,                  /* pc_relative */
 154          0,                     /* bitpos */
 155          complain_overflow_bitfield, /* complain_on_overflow */
 156          NULL,                  /* special_function */
 157          "PCREL_32",            /* name */
 158          false,                 /* partial_inplace */
 159          0x0,                   /* src_mask */
 160          0xffffffff,            /* dst_mask */
 161          true),                 /* pcrel_offset */
 162
 163   /* Like PCREL_IMM11BY2, this relocation indicates that there is a
 164      'jsri' at the specified address. There is a separate relocation
 165      entry for the literal pool entry that it references, but we
 166      might be able to change the jsri to a bsr if the target turns out
 167      to be close enough [even though we won't reclaim the literal pool
 168      entry, we'll get some runtime efficiency back]. Note that this
 169      is a relocation that we are allowed to safely ignore.  */
 170   HOWTO (IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2,/* type */
 171          1,                     /* rightshift */
 172          1,                     /* size (0 = byte, 1 = short, 2 = long) */
 173          11,                    /* bitsize */
 174          true,                  /* pc_relative */
 175          0,                     /* bitpos */
 176          complain_overflow_signed, /* complain_on_overflow */
 177          NULL,                  /* special_function */
 178          "JSR_IMM11BY2",        /* name */
 179          false,                 /* partial_inplace */
 180          0x0,                   /* src_mask */
 181          0x7ff,                 /* dst_mask */
 182          true),                 /* pcrel_offset */
 183
 184   HOWTO (IMAGE_REL_MCORE_RVA,   /* type */
 185          0,                     /* rightshift */
 186          2,                     /* size (0 = byte, 1 = short, 2 = long) */
 187          32,                    /* bitsize */
 188          false,                 /* pc_relative */
 189          0,                     /* bitpos */
 190          complain_overflow_signed, /* complain_on_overflow */
 191          NULL,                  /* special_function */
 192          "MCORE_RVA",           /* name */
 193          true,                  /* partial_inplace */
 194          0xffffffff,            /* src_mask */
 195          0xffffffff,            /* dst_mask */
 196          true)                  /* pcrel_offset */
 197 };
 198 \f
 199 /* Extend the coff_link_hash_table structure with a few M*Core specific fields.
 200    This allows us to store global data here without actually creating any
 201    global variables, which is a no-no in the BFD world.  */
 202 typedef struct coff_mcore_link_hash_table
 203 {
 204   /* The original coff_link_hash_table structure.  MUST be first field.  */
 205   struct coff_link_hash_table   root;
 206
 207   bfd *                         bfd_of_toc_owner;
 208   long int                      global_toc_size;
 209   long int                      import_table_size;
 210   long int                      first_thunk_address;
 211   long int                      thunk_size;
 212 }
 213 mcore_hash_table;
 214
 215 /* Get the MCore coff linker hash table from a link_info structure.  */
 216 #define coff_mcore_hash_table(info) \
 217   ((mcore_hash_table *) ((info)->hash))
 218
 219 /* Create an MCore coff linker hash table.  */
 220 static struct bfd_link_hash_table *
 221 coff_mcore_link_hash_table_create (abfd)
 222      bfd * abfd;
 223 {
 224   mcore_hash_table * ret;
 225
 226   ret = ((mcore_hash_table *) bfd_alloc (abfd, sizeof (* ret)));
 227   if (ret == (mcore_hash_table *) NULL)
 228     return NULL;
 229
 230   if (! _bfd_coff_link_hash_table_init
 231       (& ret->root, abfd, _bfd_coff_link_hash_newfunc))
 232     {
 233       bfd_release (abfd, ret);
 234       return (struct bfd_link_hash_table *) NULL;
 235     }
 236
 237   ret->bfd_of_toc_owner = NULL;
 238   ret->global_toc_size  = 0;
 239   ret->import_table_size = 0;
 240   ret->first_thunk_address = 0;
 241   ret->thunk_size = 0;
 242
 243   return & ret->root.root;
 244 }
 245 \f
 246 /* Add an entry to the base file.  */
 247 static void
 248 mcore_emit_base_file_entry (info, output_bfd, input_section, reloc_offset)
 249       struct bfd_link_info * info;
 250       bfd *                  output_bfd;
 251       asection *             input_section;
 252       bfd_vma                reloc_offset;
 253 {
 254   bfd_vma addr = reloc_offset
 255                  - input_section->vma
 256                  + input_section->output_offset
 257                  + input_section->output_section->vma;
 258
 259   if (coff_data (output_bfd)->pe)
 260      addr -= pe_data (output_bfd)->pe_opthdr.ImageBase;
 261
 262   fwrite (&addr, 1, sizeof (addr), (FILE *) info->base_file);
 263 }
 264 \f
 265 static bfd_reloc_status_type
 266 mcore_coff_unsupported_reloc (abfd, reloc_entry, symbol, data, input_section,
 267                            output_bfd, error_message)
 268      bfd * abfd;
 269      arelent * reloc_entry;
 270      asymbol * symbol ATTRIBUTE_UNUSED;
 271      PTR data ATTRIBUTE_UNUSED;
 272      asection * input_section ATTRIBUTE_UNUSED;
 273      bfd * output_bfd ATTRIBUTE_UNUSED;
 274      char ** error_message ATTRIBUTE_UNUSED;
 275 {
 276   BFD_ASSERT (reloc_entry->howto != (reloc_howto_type *)0);
 277
 278   _bfd_error_handler (_("%s: Relocation %s (%d) is not currently supported.\n"),
 279                       bfd_get_filename (abfd),
 280                       reloc_entry->howto->name,
 281                       reloc_entry->howto->type);
 282
 283   return bfd_reloc_notsupported;
 284 }
 285 \f
 286 /* A cheesy little macro to make the code a little more readable.  */
 287 #define HOW2MAP(bfd_rtype, mcore_rtype)  \
 288  case bfd_rtype: return & mcore_coff_howto_table [mcore_rtype]
 289
 290 static reloc_howto_type *
 291 mcore_coff_reloc_type_lookup (abfd, code)
 292      bfd * abfd ATTRIBUTE_UNUSED;
 293      bfd_reloc_code_real_type code;
 294 {
 295   switch (code)
 296     {
 297       HOW2MAP (BFD_RELOC_32,                       IMAGE_REL_MCORE_ADDR32);
 298       HOW2MAP (BFD_RELOC_MCORE_PCREL_IMM8BY4,      IMAGE_REL_MCORE_PCREL_IMM8BY4);
 299       HOW2MAP (BFD_RELOC_MCORE_PCREL_IMM11BY2,     IMAGE_REL_MCORE_PCREL_IMM11BY2);
 300       HOW2MAP (BFD_RELOC_MCORE_PCREL_IMM4BY2,      IMAGE_REL_MCORE_PCREL_IMM4BY2);
 301       HOW2MAP (BFD_RELOC_32_PCREL,                 IMAGE_REL_MCORE_PCREL_32);
 302       HOW2MAP (BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2, IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2);
 303       HOW2MAP (BFD_RELOC_RVA,                      IMAGE_REL_MCORE_RVA);
 304    default:
 305       return NULL;
 306     }
 307   /*NOTREACHED*/
 308 }
 309
 310 #undef HOW2MAP
 311
 312 #define RTYPE2HOWTO(cache_ptr, dst) \
 313   (cache_ptr)->howto = mcore_coff_howto_table + (dst)->r_type;
 314
 315 static reloc_howto_type *
 316 coff_mcore_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
 317      bfd * abfd ATTRIBUTE_UNUSED;
 318      asection * sec;
 319      struct internal_reloc * rel;
 320      struct coff_link_hash_entry * h ATTRIBUTE_UNUSED;
 321      struct internal_syment * sym;
 322      bfd_vma * addendp;
 323 {
 324   reloc_howto_type * howto;
 325
 326   if (rel->r_type >= NUM_ELEM (mcore_coff_howto_table))
 327     return NULL;
 328
 329   howto = mcore_coff_howto_table + rel->r_type;
 330
 331   if (rel->r_type == IMAGE_REL_MCORE_RVA)
 332     * addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
 333
 334   else if (howto->pc_relative)
 335     {
 336       * addendp = sec->vma - 2; /* XXX guess - is this right ? */
 337
 338       /* If the symbol is defined, then the generic code is going to
 339          add back the symbol value in order to cancel out an
 340          adjustment it made to the addend.  However, we set the addend
 341          to 0 at the start of this function.  We need to adjust here,
 342          to avoid the adjustment the generic code will make.  FIXME:
 343          This is getting a bit hackish.  */
 344       if (sym != NULL && sym->n_scnum != 0)
 345         * addendp -= sym->n_value;
 346     }
 347   else
 348     * addendp = 0;
 349
 350   return howto;
 351 }
 352
 353 /* Return true if this relocation should appear in the output .reloc section.
 354    This function is referenced in pe_mkobject in peicode.h.  */
 355 static boolean
 356 in_reloc_p (abfd, howto)
 357      bfd * abfd ATTRIBUTE_UNUSED;
 358      reloc_howto_type * howto;
 359 {
 360   return ! howto->pc_relative && howto->type != IMAGE_REL_MCORE_RVA;
 361 }
 362 \f
 363 /* The reloc processing routine for the optimized COFF linker.  */
 364 static boolean
 365 coff_mcore_relocate_section (output_bfd, info, input_bfd, input_section,
 366                            contents, relocs, syms, sections)
 367      bfd * output_bfd;
 368      struct bfd_link_info * info;
 369      bfd * input_bfd;
 370      asection * input_section;
 371      bfd_byte * contents;
 372      struct internal_reloc * relocs;
 373      struct internal_syment * syms;
 374      asection ** sections;
 375 {
 376   struct internal_reloc * rel;
 377   struct internal_reloc * relend;
 378   boolean hihalf;
 379   bfd_vma hihalf_val;
 380
 381   /* If we are performing a relocateable link, we don't need to do a
 382      thing.  The caller will take care of adjusting the reloc
 383      addresses and symbol indices.  */
 384   if (info->relocateable)
 385     return true;
 386
 387   /* Check if we have the same endianess */
 388   if (   input_bfd->xvec->byteorder != output_bfd->xvec->byteorder
 389       && output_bfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
 390     {
 391       (*_bfd_error_handler)
 392         (_("%s: compiled for a %s endian system and target is %s endian.\n"),
 393          bfd_get_filename (input_bfd),
 394          bfd_big_endian (input_bfd) ? "big" : "little",
 395          bfd_big_endian (output_bfd) ? "big" : "little");
 396
 397       bfd_set_error (bfd_error_wrong_format);
 398       return false;
 399     }
 400
 401   hihalf = false;
 402   hihalf_val = 0;
 403
 404   rel = relocs;
 405   relend = rel + input_section->reloc_count;
 406
 407   for (; rel < relend; rel++)
 408     {
 409       long                           symndx;
 410       struct internal_syment *       sym;
 411       bfd_vma                        val;
 412       bfd_vma                        addend;
 413       bfd_reloc_status_type          rstat;
 414       bfd_byte *                     loc;
 415       unsigned short                 r_type = rel->r_type;
 416       reloc_howto_type *             howto = NULL;
 417       struct coff_link_hash_entry *  h;
 418       const char *                   my_name;
 419
 420       symndx = rel->r_symndx;
 421       loc = contents + rel->r_vaddr - input_section->vma;
 422
 423       if (symndx == -1)
 424         {
 425           h = NULL;
 426           sym = NULL;
 427         }
 428       else
 429         {
 430           h = obj_coff_sym_hashes (input_bfd)[symndx];
 431           sym = syms + symndx;
 432         }
 433
 434       addend = 0;
 435
 436       /* Get the howto and initialise the addend.  */
 437       howto = bfd_coff_rtype_to_howto (input_bfd, input_section, rel, h,
 438                                        sym, & addend);
 439       if (howto == NULL)
 440         return false;
 441
 442       val = 0;
 443
 444       if (h == NULL)
 445         {
 446           if (symndx == -1)
 447             my_name = "*ABS*";
 448           else
 449             {
 450               asection * sec = sections[symndx];
 451
 452               val = (sym->n_value
 453                      + sec->output_section->vma
 454                      + sec->output_offset);
 455
 456               if (sym == NULL)
 457                 my_name = "*unknown*";
 458               else if (   sym->_n._n_n._n_zeroes == 0
 459                        && sym->_n._n_n._n_offset != 0)
 460                 my_name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset;
 461               else
 462                 {
 463                   static char buf [SYMNMLEN + 1];
 464
 465                   strncpy (buf, sym->_n._n_name, SYMNMLEN);
 466                   buf[SYMNMLEN] = '\0';
 467                   my_name = buf;
 468                 }
 469             }
 470         }
 471       else
 472         {
 473           if (   h->root.type == bfd_link_hash_defined
 474               || h->root.type == bfd_link_hash_defweak)
 475             {
 476               asection * sec = h->root.u.def.section;
 477
 478               val = (h->root.u.def.value
 479                      + sec->output_section->vma
 480                      + sec->output_offset);
 481             }
 482           else
 483             {
 484               if (! ((*info->callbacks->undefined_symbol)
 485                      (info, h->root.root.string, input_bfd, input_section,
 486                       rel->r_vaddr - input_section->vma, true)))
 487                 return false;
 488             }
 489
 490           my_name = h->root.root.string;
 491         }
 492
 493       rstat = bfd_reloc_ok;
 494
 495       /* Each case must do its own relocation, setting rstat appropriately.  */
 496       switch (r_type)
 497         {
 498         default:
 499           _bfd_error_handler (_("%s: unsupported relocation type 0x%02x"),
 500                               bfd_get_filename (input_bfd), r_type);
 501           bfd_set_error (bfd_error_bad_value);
 502           return false;
 503
 504         case IMAGE_REL_MCORE_ABSOLUTE:
 505           fprintf (stderr,
 506                    _("Warning: unsupported reloc %s <file %s, section %s>\n"),
 507                    howto->name,
 508                    bfd_get_filename (input_bfd),
 509                    input_section->name);
 510
 511           fprintf (stderr,"sym %ld (%s), r_vaddr %ld (%lx)\n",
 512                    rel->r_symndx, my_name, (long) rel->r_vaddr,
 513                    (unsigned long) rel->r_vaddr);
 514           break;
 515
 516         case IMAGE_REL_MCORE_PCREL_IMM8BY4:
 517         case IMAGE_REL_MCORE_PCREL_IMM11BY2:
 518         case IMAGE_REL_MCORE_PCREL_IMM4BY2:
 519         case IMAGE_REL_MCORE_PCREL_32:
 520         case IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2:
 521         case IMAGE_REL_MCORE_ADDR32:
 522           /* XXX fixme - shouldn't this be like the code for the RVA reloc ? */
 523           rstat = _bfd_relocate_contents (howto, input_bfd, val, loc);
 524           break;
 525
 526         case IMAGE_REL_MCORE_RVA:
 527           rstat = _bfd_final_link_relocate
 528             (howto, input_bfd,
 529              input_section, contents, rel->r_vaddr - input_section->vma,
 530              val, addend);
 531           break;
 532         }
 533
 534       if (info->base_file)
 535         {
 536           /* Emit a reloc if the backend thinks it needs it.  */
 537           if (sym && pe_data (output_bfd)->in_reloc_p (output_bfd, howto))
 538             mcore_emit_base_file_entry (info, output_bfd, input_section, rel->r_vaddr);
 539         }
 540
 541       switch (rstat)
 542         {
 543         default:
 544           abort ();
 545
 546         case bfd_reloc_ok:
 547           break;
 548
 549         case bfd_reloc_overflow:
 550           if (! ((*info->callbacks->reloc_overflow)
 551                  (info, my_name, howto->name,
 552                   (bfd_vma) 0, input_bfd,
 553                   input_section, rel->r_vaddr - input_section->vma)))
 554             return false;
 555         }
 556     }
 557
 558   return true;
 559 }
 560 \f
 561 /* Tailor coffcode.h -- macro heaven.  */
 562
 563 /* We use the special COFF backend linker, with our own special touch.  */
 564
 565 #define coff_bfd_reloc_type_lookup   mcore_coff_reloc_type_lookup
 566 #define coff_relocate_section        coff_mcore_relocate_section
 567 #define coff_rtype_to_howto          coff_mcore_rtype_to_howto
 568
 569 #define SELECT_RELOC(internal, howto) {internal.r_type = howto->type;}
 570
 571 #define COFF_PAGE_SIZE               0x1000
 572
 573 #include "coffcode.h"
 574 \f
 575 /* Forward declaration to initialise alterbative_target field.  */
 576 extern const bfd_target TARGET_LITTLE_SYM;
 577
 578 /* The transfer vectors that lead the outside world to all of the above.  */
 579 CREATE_BIG_COFF_TARGET_VEC (TARGET_BIG_SYM, TARGET_BIG_NAME, D_PAGED,
 580                             (SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_READONLY | SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
 581                             0, & TARGET_LITTLE_SYM)
 582 CREATE_LITTLE_COFF_TARGET_VEC (TARGET_LITTLE_SYM, TARGET_LITTLE_NAME, D_PAGED,
 583                                (SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_READONLY | SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
 584                                0, & TARGET_BIG_SYM)