bfd/coff-m68k.c

   1 /* Motorola 68000 COFF back-end for BFD.
   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-m68k.h"
  28 #include "internalcoff.h"
  29 #include "libcoff.h"
  30
  31 static reloc_howto_type howto_table[] =
  32 {
  33   HOWTO(R_RELBYTE,             0,  0,   8,  false, 0, true,  true,0,"8",        true, 0x000000ff,0x000000ff, false),
  34   HOWTO(R_RELWORD,             0,  1,   16, false, 0, true,  true,0,"16",       true, 0x0000ffff,0x0000ffff, false),
  35   HOWTO(R_RELLONG,             0,  2,   32, false, 0, true,  true,0,"32",       true, 0xffffffff,0xffffffff, false),
  36   HOWTO(R_PCRBYTE,             0,  0,   8,  true,  0, false, true,0,"DISP8",    true, 0x000000ff,0x000000ff, false),
  37   HOWTO(R_PCRWORD,             0,  1,   16, true,  0, false, true,0,"DISP16",   true, 0x0000ffff,0x0000ffff, false),
  38   HOWTO(R_PCRLONG,             0,  2,   32, true,  0, false, true,0,"DISP32",   true, 0xffffffff,0xffffffff, false),
  39 };
  40
  41
  42 /* Turn a howto into a reloc number */
  43
  44 #define SELECT_RELOC(x,howto) { x = howto_table[howto->size +(int)howto->pc_relative*3].type; }
  45 #define BADMAG(x) M68KBADMAG(x)
  46 #define M68 1           /* Customize coffcode.h */
  47
  48 #define RTYPE2HOWTO(internal, relocentry) \
  49     (internal)->howto = ( howto_table + (relocentry).r_type - R_RELBYTE);
  50
  51 #include "coffcode.h"
  52
  53
  54 #define coff_write_armap bsd_write_armap
  55
  56 bfd_target m68kcoff_vec =
  57 {
  58   "coff-m68k",          /* name */
  59   bfd_target_coff_flavour,
  60   true,                         /* data byte order is big */
  61   true,                         /* header byte order is big */
  62
  63   (HAS_RELOC | EXEC_P |         /* object flags */
  64    HAS_LINENO | HAS_DEBUG |
  65    HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
  66
  67   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
  68   '/',                          /* ar_pad_char */
  69   15,                           /* ar_max_namelen */
  70   3,                            /* minimum section alignment */
  71 _do_getb64, _do_putb64,  _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
  72 _do_getb64, _do_putb64,  _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
  73
  74   {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
  75      bfd_generic_archive_p, _bfd_dummy_target},
  76   {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
  77      bfd_false},
  78   {bfd_false, coff_write_object_contents,       /* bfd_write_contents */
  79      _bfd_write_archive_contents, bfd_false},
  80
  81   JUMP_TABLE(coff),
  82   COFF_SWAP_TABLE
  83 };