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# This shell script emits C code -*- C -*-

# to keep track of the machine type of Z80 object files

# It does some substitutions.

#   Copyright 2005, 2007, 2008 Free Software Foundation, Inc.

# This file is part of the GNU Binutils.

#

# 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 3 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., 51 Franklin Street - Fifth Floor, Boston,

# MA 02110-1301, USA.

LDEMUL_BEFORE_PARSE=gldz80_before_parse

LDEMUL_RECOGNIZED_FILE=gldz80_recognized_file

LDEMUL_AFTER_OPEN=gldz80_after_open

fragment <

/* --- \begin{z80.em} */

/* Codes for machine types, bitwise or gives the code to use for the

   output.  */

#define M_Z80STRICT 1

#define M_Z80 3

#define M_Z80FULL 7

#define M_R800 11

#define M_Z80ANY 15

/* Bitwise or of the machine types seen so far.  */

static int result_mach_type;

static void

${LDEMUL_BEFORE_PARSE} (void)

{

#ifndef TARGET_                 /* I.e., if not generic.  */

  ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);

#endif /* not TARGET_ */

  result_mach_type = M_Z80STRICT;

}

/* Update result_mach_type.  */

static bfd_boolean

${LDEMUL_RECOGNIZED_FILE} (lang_input_statement_type *entry)

{

  unsigned long mach_type;

  mach_type = bfd_get_mach (entry->the_bfd);

  switch (mach_type)

    {

    case bfd_mach_z80strict:

      result_mach_type |= M_Z80STRICT;

      break;

    case bfd_mach_z80:

      result_mach_type |= M_Z80;

      break;

    case bfd_mach_z80full:

      result_mach_type |= M_Z80FULL;

      break;

    case bfd_mach_r800:

      result_mach_type |= M_R800;

      break;

    default:

      result_mach_type |= M_Z80ANY;

    }

  return FALSE;

}

/* Set the machine type of the output file based on result_mach_type.  */

static void

gldz80_after_open (void)

{

  unsigned long mach_type;

  switch (result_mach_type)

    {

    case M_Z80STRICT:

      mach_type = bfd_mach_z80strict;

      break;

    case M_Z80:

      mach_type = bfd_mach_z80;

      break;

    case M_Z80FULL:

      mach_type = bfd_mach_z80full;

      break;

    case M_R800:

      mach_type = bfd_mach_r800;

      break;

    default:

      mach_type = 0;

    }

  bfd_set_arch_mach (link_info.output_bfd, bfd_arch_z80, mach_type);

}

/* --- \end{z80.em} */

EOF