| # This shell script emits a C file. -*- C -*- |
| # Copyright (C) 2006-2016 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 <<EOF |
| |
| 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 |
| && !bfd_link_relocatable (&link_info)) |
| { |
| bfd_size_type phdr_size; |
| |
| phdr_size = elf_program_header_size (link_info.output_bfd); |
| /* If we don't have user supplied phdrs, throw away any |
| previous linker generated program headers. */ |
| if (lang_phdr_list == NULL) |
| elf_seg_map (link_info.output_bfd) = 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_program_header_size (link_info.output_bfd)) |
| { |
| if (tries > 6) |
| /* The first few times we allow any change to |
| phdr_size . */ |
| need_layout = TRUE; |
| else if (phdr_size |
| < elf_program_header_size (link_info.output_bfd)) |
| /* After that we only allow the size to grow. */ |
| need_layout = TRUE; |
| else |
| elf_program_header_size (link_info.output_bfd) = phdr_size; |
| } |
| } |
| } |
| while (need_layout && --tries); |
| |
| if (tries == 0) |
| einfo (_("%P%F: looping in map_segments")); |
| } |
| EOF |