75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
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/* Emulation code used by all ELF targets.
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Copyright (C) 1991-2019 Free Software Foundation, Inc.
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This file is part of the GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "ld.h"
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#include "ldmain.h"
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#include "ldmisc.h"
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#include "ldexp.h"
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#include "ldlang.h"
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#include "elf-bfd.h"
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#include "ldelfgen.h"
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void
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ldelf_map_segments (bfd_boolean need_layout)
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{
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int tries = 10;
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do
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{
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lang_relax_sections (need_layout);
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need_layout = FALSE;
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if (link_info.output_bfd->xvec->flavour == bfd_target_elf_flavour
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&& !bfd_link_relocatable (&link_info))
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{
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bfd_size_type phdr_size;
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phdr_size = elf_program_header_size (link_info.output_bfd);
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/* If we don't have user supplied phdrs, throw away any
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previous linker generated program headers. */
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if (lang_phdr_list == NULL)
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elf_seg_map (link_info.output_bfd) = NULL;
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if (!_bfd_elf_map_sections_to_segments (link_info.output_bfd,
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&link_info))
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einfo (_("%F%P: map sections to segments failed: %E\n"));
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if (phdr_size != elf_program_header_size (link_info.output_bfd))
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{
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if (tries > 6)
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/* The first few times we allow any change to
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phdr_size . */
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need_layout = TRUE;
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else if (phdr_size
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< elf_program_header_size (link_info.output_bfd))
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/* After that we only allow the size to grow. */
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need_layout = TRUE;
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else
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elf_program_header_size (link_info.output_bfd) = phdr_size;
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}
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}
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}
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while (need_layout && --tries);
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if (tries == 0)
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einfo (_("%F%P: looping in map_segments"));
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}
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