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 #include "bfd.h"
  22 #include "sysdep.h"
  23 #include "libbfd.h"
  24 #include "obstack.h"
  25 #include "coff/i386.h"
  26 #include "coff/internal.h"
  27 #include "libcoff.h"
  28
  29
  30 static reloc_howto_type howto_table[] =
  31 {
  32     {0},
  33     {1},
  34     {2},
  35     {3},
  36     {4},
  37     {5},
  38   HOWTO(R_DIR32,               0,  2,   32, false, 0, true,true,0,"dir32",      true, 0xffffffff,0xffffffff, false),
  39     {7},
  40     {010},
  41     {011},
  42     {012},
  43     {013},
  44     {014},
  45     {015},
  46     {016},
  47   HOWTO(R_RELBYTE,             0,  0,   8,  false, 0, true,  true,0,"8",        true, 0x000000ff,0x000000ff, false),
  48   HOWTO(R_RELWORD,             0,  1,   16, false, 0, true,  true,0,"16",       true, 0x0000ffff,0x0000ffff, false),
  49   HOWTO(R_RELLONG,             0,  2,   32, false, 0, true,  true,0,"32",       true, 0xffffffff,0xffffffff, false),
  50   HOWTO(R_PCRBYTE,             0,  0,   8,  true,  0, false, true,0,"DISP8",    true, 0x000000ff,0x000000ff, false),
  51   HOWTO(R_PCRWORD,             0,  1,   16, true,  0, false, true,0,"DISP16",   true, 0x0000ffff,0x0000ffff, false),
  52   HOWTO(R_PCRLONG,             0,  2,   32, true,  0, false, true,0,"DISP32",   true, 0xffffffff,0xffffffff, false),
  53 };
  54
  55 /* Turn a howto into a reloc  nunmber */
  56
  57 #define SELECT_RELOC(x,howto) { x = howto->type; }
  58 #define BADMAG(x) I386BADMAG(x)
  59 #define I386 1                  /* Customize coffcode.h */
  60
  61 #define RTYPE2HOWTO(cache_ptr, dst) \
  62             cache_ptr->howto = howto_table + (dst)->r_type;
  63
  64 #include "coffcode.h"
  65
  66 #define coff_write_armap bsd_write_armap
  67
  68 bfd_target *i3coff_object_p(a)
  69 bfd *a ;
  70 { return coff_object_p(a); }
  71
  72 bfd_target i386coff_vec =
  73 {
  74   "coff-i386",                  /* name */
  75   bfd_target_coff_flavour,
  76   false,                        /* data byte order is little */
  77   false,                        /* header byte order is little */
  78
  79   (HAS_RELOC | EXEC_P |         /* object flags */
  80    HAS_LINENO | HAS_DEBUG |
  81    HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
  82
  83   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
  84   0,                            /* leading underscore */
  85   '/',                          /* ar_pad_char */
  86   15,                           /* ar_max_namelen */
  87
  88   2,                            /* minimum alignment power */
  89   _do_getl64, _do_putl64,  _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* data */
  90   _do_getl64, _do_putl64,  _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* hdrs */
  91
  92 /* Note that we allow an object file to be treated as a core file as well. */
  93     {_bfd_dummy_target, i3coff_object_p, /* bfd_check_format */
  94        bfd_generic_archive_p, i3coff_object_p},
  95     {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
  96        bfd_false},
  97     {bfd_false, coff_write_object_contents, /* bfd_write_contents */
  98        _bfd_write_archive_contents, bfd_false},
  99
 100   JUMP_TABLE(coff),
 101   COFF_SWAP_TABLE
 102   };