ld/emultempl/elf-generic.em

   1 # This shell script emits a C file. -*- C -*-
   2 #   Copyright 2006 Free Software Foundation, Inc.
   3 #
   4 # This file is part of GLD, the Gnu Linker.
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software Foundation, Inc.,
  18 # 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  19 #
  20
  21 # This file is sourced from elf32.em and from ELF targets that use
  22 # generic.em.
  23 #
  24 cat >>e${EMULATION_NAME}.c <<EOF
  25
  26 static void
  27 gld${EMULATION_NAME}_map_segments (bfd_boolean need_layout)
  28 {
  29   int tries = 10;
  30
  31   do
  32     {
  33       if (need_layout)
  34         {
  35           lang_reset_memory_regions ();
  36
  37           /* Resize the sections.  */
  38           lang_size_sections (NULL, TRUE);
  39
  40           /* Redo special stuff.  */
  41           ldemul_after_allocation ();
  42
  43           /* Do the assignments again.  */
  44           lang_do_assignments ();
  45
  46           need_layout = FALSE;
  47         }
  48
  49       if (output_bfd->xvec->flavour == bfd_target_elf_flavour
  50           && !link_info.relocatable)
  51         {
  52           bfd_size_type phdr_size;
  53
  54           phdr_size = elf_tdata (output_bfd)->program_header_size;
  55           /* If we don't have user supplied phdrs, throw away any
  56              previous linker generated program headers.  */
  57           if (lang_phdr_list == NULL)
  58             elf_tdata (output_bfd)->segment_map = NULL;
  59           if (!_bfd_elf_map_sections_to_segments (output_bfd, &link_info))
  60             einfo ("%F%P: map sections to segments failed: %E\n");
  61
  62           if (phdr_size != elf_tdata (output_bfd)->program_header_size)
  63             need_layout = TRUE;
  64         }
  65     }
  66   while (need_layout && --tries);
  67
  68   if (tries == 0)
  69     einfo (_("%P%F: looping in map_segments"));
  70 }
  71 EOF