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/* BFD back-end for Apollo 68000 COFF binaries.

   Copyright 1990, 91, 92, 93, 94, 95, 1997 Free Software Foundation, Inc.

   By Troy Rollo (troy@cbme.unsw.edu.au)

   Based on m68k standard COFF version Written by Cygnus Support.

This file is part of BFD, the Binary File Descriptor library.

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#include "bfd.h"

#include "sysdep.h"

#include "libbfd.h"

#include "coff/apollo.h"

#include "coff/internal.h"

#include "libcoff.h"

#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)

#ifdef ONLY_DECLARE_RELOCS

extern reloc_howto_type apollocoff_howto_table[];

#else

reloc_howto_type apollocoff_howto_table[] =

{

  HOWTO(R_RELBYTE,             0,  0,     8,  false, 0, complain_overflow_bitfield, 0, "8", true, 0x000000ff,0x000000ff, false),

  HOWTO(R_RELWORD,             0,  1,    16, false, 0, complain_overflow_bitfield, 0, "16",        true, 0x0000ffff,0x0000ffff, false),

  HOWTO(R_RELLONG,             0,  2,    32, false, 0, complain_overflow_bitfield, 0, "32",        true, 0xffffffff,0xffffffff, false),

  HOWTO(R_PCRBYTE,             0,  0,     8,  true,  0, complain_overflow_signed, 0, "DISP8",    true, 0x000000ff,0x000000ff, false),

  HOWTO(R_PCRWORD,             0,  1,    16, true,  0, complain_overflow_signed, 0, "DISP16",   true, 0x0000ffff,0x0000ffff, false),

  HOWTO(R_PCRLONG,             0,  2,    32, true,  0, complain_overflow_signed, 0, "DISP32",   true, 0xffffffff,0xffffffff, false),

  HOWTO(R_RELLONG_NEG,         0,  -2,   32, false, 0, complain_overflow_bitfield, 0, "-32",       true, 0xffffffff,0xffffffff, false),

};

#endif /* not ONLY_DECLARE_RELOCS */

#ifndef BADMAG

#define BADMAG(x) M68KBADMAG(x)

#endif

#define APOLLO_M68 1            /* Customize coffcode.h */

/* Turn a howto into a reloc number */

#ifdef ONLY_DECLARE_RELOCS

extern void apollo_rtype2howto PARAMS ((arelent *internal, int relocentry));

extern int apollo_howto2rtype PARAMS ((reloc_howto_type *));

#else

void

apollo_rtype2howto(internal, relocentry)

     arelent *internal;

     int relocentry;

{

  switch (relocentry)

  {

   case R_RELBYTE:      internal->howto = apollocoff_howto_table + 0; break;

   case R_RELWORD:      internal->howto = apollocoff_howto_table + 1; break;

   case R_RELLONG:      internal->howto = apollocoff_howto_table + 2; break;

   case R_PCRBYTE:      internal->howto = apollocoff_howto_table + 3; break;

   case R_PCRWORD:      internal->howto = apollocoff_howto_table + 4; break;

   case R_PCRLONG:      internal->howto = apollocoff_howto_table + 5; break;

   case R_RELLONG_NEG:  internal->howto = apollocoff_howto_table + 6; break;

  }

}

int

apollo_howto2rtype (internal)

     reloc_howto_type *internal;

{

  if (internal->pc_relative)

  {

    switch (internal->bitsize)

    {

     case 32: return R_PCRLONG;

     case 16: return R_PCRWORD;

     case 8: return R_PCRBYTE;

    }

  }

  else

  {

    switch (internal->bitsize)

     {

      case 32: return R_RELLONG;

      case 16: return R_RELWORD;

      case 8: return R_RELBYTE;

     }

  }

  return R_RELLONG;

}

#endif /* not ONLY_DECLARE_RELOCS */

#define RTYPE2HOWTO(internal, relocentry) \

  apollo_rtype2howto(internal, (relocentry)->r_type)

#define SELECT_RELOC(external, internal) \

  external.r_type = apollo_howto2rtype(internal);

#include "coffcode.h"

#ifndef TARGET_SYM

#define TARGET_SYM apollocoff_vec

#endif

#ifndef TARGET_NAME

#define TARGET_NAME "apollo-m68k"

#endif

#ifdef NAMES_HAVE_UNDERSCORE

CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, '_', NULL)

#else

CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, 0, NULL)

#endif