bfd/coff-h8300.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
  22 #include "bfd.h"
  23 #include "sysdep.h"
  24 #include "libbfd.h"
  25 #include "obstack.h"
  26 #include "coff-h8300.h"
  27 #include "internalcoff.h"
  28 #include "libcoff.h"
  29
  30 static reloc_howto_type howto_table[] =
  31 {
  32   HOWTO(R_RELBYTE,             0,  0,   8,  false, 0, true,  true,0,"8",        true, 0x000000ff,0x000000ff, false),
  33   HOWTO(R_RELWORD,             0,  1,   16, false, 0, true,  true,0,"16",       true, 0x0000ffff,0x0000ffff, false),
  34   HOWTO(R_RELLONG,             0,  2,   32, false, 0, true,  true,0,"32",       true, 0xffffffff,0xffffffff, false),
  35   HOWTO(R_PCRBYTE,             0,  0,   8,  true,  0, false, true,0,"DISP8",    true, 0x000000ff,0x000000ff, true),
  36   HOWTO(R_PCRWORD,             0,  1,   16, true,  0, false, true,0,"DISP16",   true, 0x0000ffff,0x0000ffff, true),
  37   HOWTO(R_PCRLONG,             0,  2,   32, true,  0, false, true,0,"DISP32",   true, 0xffffffff,0xffffffff, true),
  38 };
  39
  40
  41 /* Turn a howto into a reloc number */
  42
  43 #define SELECT_RELOC(x,howto) { x = howto_table[howto->size +(int)howto->pc_relative*3].type; }
  44 #define BADMAG(x) H8300BADMAG(x)
  45 #define H8300 1         /* Customize coffcode.h */
  46 #define __A_MAGIC_SET__
  47
  48
  49
  50 /* Code to swap in the reloc */
  51 #define SWAP_IN_RELOC_OFFSET   bfd_h_get_16
  52 #define SWAP_OUT_RELOC_OFFSET bfd_h_put_16
  53 #define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
  54   dst->r_stuff[0] = 'S'; \
  55   dst->r_stuff[1] = 'C';
  56
  57 /* Code to turn a r_type into a howto ptr, uses the above howto table
  58    */
  59
  60 #define RTYPE2HOWTO(internal, relocentry) \
  61     (internal)->howto = ( howto_table + (relocentry).r_type - R_RELBYTE);
  62
  63
  64 /* Perform any necessaru magic to the addend in a reloc entry */
  65
  66
  67 #define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
  68  cache_ptr->addend =  ext_reloc.r_offset;
  69
  70
  71 #include "coffcode.h"
  72
  73
  74 #define coff_write_armap bsd_write_armap
  75
  76 bfd_target h8300coff_vec =
  77 {
  78   "coff-h8300",         /* name */
  79   bfd_target_coff_flavour,
  80   true,                         /* data byte order is big */
  81   true,                         /* header byte order is big */
  82
  83   (HAS_RELOC | EXEC_P |         /* object flags */
  84    HAS_LINENO | HAS_DEBUG |
  85    HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
  86
  87   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
  88   '/',                          /* ar_pad_char */
  89   15,                           /* ar_max_namelen */
  90   1,                            /* minimum section alignment */
  91 _do_getb64, _do_putb64,  _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
  92 _do_getb64, _do_putb64,  _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
  93
  94   {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
  95      bfd_generic_archive_p, _bfd_dummy_target},
  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 };