merge from gcc

[deliverable/binutils-gdb.git] / binutils / binemul.c

/* Binutils emulation layer.
   Copyright 2002, 2003, 2005, 2007, 2008, 2010
   Free Software Foundation, Inc.
   Written by Tom Rix, Red Hat Inc.

   This file is part of 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.  */

#include "binemul.h"

extern bin_emulation_xfer_type bin_dummy_emulation;

void
ar_emul_usage (FILE *fp)
{
  if (bin_dummy_emulation.ar_usage)
    bin_dummy_emulation.ar_usage (fp);
}

void
ar_emul_default_usage (FILE *fp)
{
  AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
  /* xgettext:c-format */
  fprintf (fp, _("  No emulation specific options\n"));
}

bfd_boolean
ar_emul_append (bfd **after_bfd, char *file_name, const char *target,
		bfd_boolean verbose, bfd_boolean flatten)
{
  if (bin_dummy_emulation.ar_append)
    return bin_dummy_emulation.ar_append (after_bfd, file_name, target,
					  verbose, flatten);

  return FALSE;
}

static bfd_boolean
any_ok (bfd *new_bfd ATTRIBUTE_UNUSED)
{
  return TRUE;
}

bfd_boolean
do_ar_emul_append (bfd **after_bfd, bfd *new_bfd,
		   bfd_boolean verbose, bfd_boolean flatten,
		   bfd_boolean (*check) (bfd *))
{
  /* When flattening, add the members of an archive instead of the
     archive itself.  */
  if (flatten && bfd_check_format (new_bfd, bfd_archive))
    {
      bfd *elt;
      bfd_boolean added = FALSE;

      for (elt = bfd_openr_next_archived_file (new_bfd, NULL);
           elt;
           elt = bfd_openr_next_archived_file (new_bfd, elt))
        {
          if (do_ar_emul_append (after_bfd, elt, verbose, TRUE, check))
            {
              added = TRUE;
              after_bfd = &((*after_bfd)->archive_next);
            }
        }

      return added;
    }

  if (!check (new_bfd))
    return FALSE;

  AR_EMUL_APPEND_PRINT_VERBOSE (verbose, new_bfd->filename);

  new_bfd->archive_next = *after_bfd;
  *after_bfd = new_bfd;

  return TRUE;
}

bfd_boolean
ar_emul_default_append (bfd **after_bfd, char *file_name,
			const char *target, bfd_boolean verbose,
			bfd_boolean flatten)
{
  bfd *new_bfd;

  new_bfd = bfd_openr (file_name, target);
  AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
  return do_ar_emul_append (after_bfd, new_bfd, verbose, flatten, any_ok);
}

bfd_boolean
ar_emul_replace (bfd **after_bfd, char *file_name, const char *target,
		 bfd_boolean verbose)
{
  if (bin_dummy_emulation.ar_replace)
    return bin_dummy_emulation.ar_replace (after_bfd, file_name,
					   target, verbose);

  return FALSE;
}

bfd_boolean
ar_emul_default_replace (bfd **after_bfd, char *file_name,
			 const char *target, bfd_boolean verbose)
{
  bfd *new_bfd;

  new_bfd = bfd_openr (file_name, target);
  AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);

  AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);

  new_bfd->archive_next = *after_bfd;
  *after_bfd = new_bfd;

  return TRUE;
}

bfd_boolean
ar_emul_parse_arg (char *arg)
{
  if (bin_dummy_emulation.ar_parse_arg)
    return bin_dummy_emulation.ar_parse_arg (arg);

  return FALSE;
}

bfd_boolean
ar_emul_default_parse_arg (char *arg ATTRIBUTE_UNUSED)
{
  return FALSE;
}