ld/emultempl/genelf.em

   1 # This shell script emits a C file. -*- C -*-
   2 #   Copyright (C) 2006-2019 Free Software Foundation, Inc.
   3 #
   4 # This file is part of the GNU Binutils.
   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 3 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
  18 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  19 # MA 02110-1301, USA.
  20 #
  21
  22 # This file is sourced from generic.em
  23 #
  24 fragment <<EOF
  25 #include "elf-bfd.h"
  26
  27 EOF
  28 source_em ${srcdir}/emultempl/elf-generic.em
  29 fragment <<EOF
  30
  31 static void
  32 gld${EMULATION_NAME}_after_open (void)
  33 {
  34   bfd *ibfd;
  35   asection *sec;
  36   asymbol **syms;
  37
  38   after_open_default ();
  39
  40   if (bfd_link_relocatable (&link_info))
  41     for (ibfd = link_info.input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
  42       if ((syms = bfd_get_outsymbols (ibfd)) != NULL
  43           && bfd_get_flavour (ibfd) == bfd_target_elf_flavour)
  44         for (sec = ibfd->sections; sec != NULL; sec = sec->next)
  45           if ((sec->flags & (SEC_GROUP | SEC_LINKER_CREATED)) == SEC_GROUP)
  46             {
  47               struct bfd_elf_section_data *sec_data = elf_section_data (sec);
  48               struct bfd_symbol *sym = syms[sec_data->this_hdr.sh_info - 1];
  49               elf_group_id (sec) = sym;
  50               sym->flags |= BSF_KEEP;
  51             }
  52 }
  53
  54 static void
  55 gld${EMULATION_NAME}_before_allocation (void)
  56 {
  57   if (bfd_link_relocatable (&link_info)
  58       && !_bfd_elf_size_group_sections (&link_info))
  59     einfo (_("%X%P: can not size group sections: %E\n"));
  60   before_allocation_default ();
  61 }
  62
  63 static void
  64 gld${EMULATION_NAME}_after_allocation (void)
  65 {
  66   gld${EMULATION_NAME}_map_segments (FALSE);
  67 }
  68 EOF
  69 # Put these extra routines in ld_${EMULATION_NAME}_emulation
  70 #
  71 LDEMUL_AFTER_OPEN=gld${EMULATION_NAME}_after_open
  72 LDEMUL_BEFORE_ALLOCATION=gld${EMULATION_NAME}_before_allocation
  73 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation