bfd/coff-i386.c

   1 /* BFD back-end for Intel 386 COFF files.
   2    Copyright (C) 1990-1991 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 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 /* $Id$ */
  22
  23 #include "bfd.h"
  24 #include "sysdep.h"
  25 #include "libbfd.h"
  26 #include "obstack.h"
  27 #include "coff-i386.h"
  28 #include "internalcoff.h"
  29 #include "libcoff.h"
  30
  31
  32 static reloc_howto_type howto_table[] =
  33 {
  34     {0},
  35     {1},
  36     {2},
  37     {3},
  38     {4},
  39     {5},
  40   HOWTO(R_DIR32,               0,  2,   32, false, 0, true,true,0,"dir32",      true, 0xffffffff,0xffffffff, false),
  41     {7},
  42     {010},
  43     {011},
  44     {012},
  45     {013},
  46     {014},
  47     {015},
  48     {016},
  49   HOWTO(R_RELBYTE,             0,  0,   8,  false, 0, true,  true,0,"8",        true, 0x000000ff,0x000000ff, false),
  50   HOWTO(R_RELWORD,             0,  1,   16, false, 0, true,  true,0,"16",       true, 0x0000ffff,0x0000ffff, false),
  51   HOWTO(R_RELLONG,             0,  2,   32, false, 0, true,  true,0,"32",       true, 0xffffffff,0xffffffff, false),
  52   HOWTO(R_PCRBYTE,             0,  0,   8,  true,  0, false, true,0,"DISP8",    true, 0x000000ff,0x000000ff, false),
  53   HOWTO(R_PCRWORD,             0,  1,   16, true,  0, false, true,0,"DISP16",   true, 0x0000ffff,0x0000ffff, false),
  54   HOWTO(R_PCRLONG,             0,  2,   32, true,  0, false, true,0,"DISP32",   true, 0xffffffff,0xffffffff, false),
  55 };
  56
  57 /* Turn a howto into a reloc  nunmber */
  58
  59 #define SELECT_RELOC(x,howto) { x = howto->type; }
  60 #define BADMAG(x) I386BADMAG(x)
  61 #define I386 1                  /* Customize coffcode.h */
  62
  63 #define RTYPETOHOWTO(cache_ptr, dst) \
  64             cache_ptr->howto = howto_table + dst.r_type;
  65
  66 #include "coffcode.h"
  67
  68 #define coff_write_armap bsd_write_armap
  69
  70 bfd_target *i3coff_object_p(a)
  71 bfd *a ;
  72 { return coff_object_p(a); }
  73
  74 bfd_target i386coff_vec =
  75 {
  76   "coff-i386",                  /* name */
  77   bfd_target_coff_flavour,
  78   false,                        /* data byte order is little */
  79   false,                        /* header byte order is little */
  80
  81   (HAS_RELOC | EXEC_P |         /* object flags */
  82    HAS_LINENO | HAS_DEBUG |
  83    HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
  84
  85   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
  86   '/',                          /* ar_pad_char */
  87   15,                           /* ar_max_namelen */
  88
  89   2,                            /* minimum alignment power */
  90   _do_getl64, _do_putl64,  _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* data */
  91   _do_getl64, _do_putl64,  _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* hdrs */
  92
  93 /* Note that we allow an object file to be treated as a core file as well. */
  94     {_bfd_dummy_target, i3coff_object_p, /* bfd_check_format */
  95        bfd_generic_archive_p, i3coff_object_p},
  96     {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
  97        bfd_false},
  98     {bfd_false, coff_write_object_contents, /* bfd_write_contents */
  99        _bfd_write_archive_contents, bfd_false},
 100
 101   JUMP_TABLE(coff),
 102   COFF_SWAP_TABLE
 103   };