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/* Emulation code used by all ELF targets.
Copyright (C) 1991-2019 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. */
#include "sysdep.h"
#include "bfd.h"
#include "ld.h"
#include "ldmain.h"
#include "ldmisc.h"
#include "ldexp.h"
#include "ldlang.h"
#include "elf-bfd.h"
#include "ldelfgen.h"
void
ldelf_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 (_("%F%P: looping in map_segments"));
}
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