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# This shell script emits a C file. -*- C -*-

#   Copyright 2006, 2007, 2008, 2009 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.

#

# This file is sourced from elf32.em and from ELF targets that use

# generic.em.

#

fragment <

static void

gld${EMULATION_NAME}_map_segments (bfd_boolean need_layout)

{

  int tries = 10;

  do

    {

      lang_relax_sections (need_layout);

      need_layout = FALSE;

      if (link_info.output_bfd->xvec->flavour == bfd_target_elf_flavour

          && !link_info.relocatable)

        {

          bfd_size_type phdr_size;

          phdr_size = elf_tdata (link_info.output_bfd)->program_header_size;

          /* If we don't have user supplied phdrs, throw away any

             previous linker generated program headers.  */

          if (lang_phdr_list == NULL)

            elf_tdata (link_info.output_bfd)->segment_map = NULL;

          if (!_bfd_elf_map_sections_to_segments (link_info.output_bfd,

                                                  &link_info))

            einfo ("%F%P: map sections to segments failed: %E\n");

          if (phdr_size

              != elf_tdata (link_info.output_bfd)->program_header_size)

            {

              if (tries > 6)

                /* The first few times we allow any change to

                   phdr_size .  */

                need_layout = TRUE;

              else if (phdr_size

                       < elf_tdata (link_info.output_bfd)->program_header_size)

                /* After that we only allow the size to grow.  */

                need_layout = TRUE;

              else

                elf_tdata (link_info.output_bfd)->program_header_size

                  = phdr_size;

            }

        }

    }

  while (need_layout && --tries);

  if (tries == 0)

    einfo (_("%P%F: looping in map_segments"));

}

EOF