ld/emultempl/genelf.em

   1 # This shell script emits a C file. -*- C -*-
   2 #   Copyright (C) 2006-2020 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 #include "ldelfgen.h"
  27
  28 EOF
  29 source_em ${srcdir}/emultempl/elf-generic.em
  30 fragment <<EOF
  31
  32 static void
  33 gld${EMULATION_NAME}_after_open (void)
  34 {
  35   bfd *ibfd;
  36   asection *sec;
  37   asymbol **syms;
  38
  39   after_open_default ();
  40
  41   if (bfd_link_relocatable (&link_info))
  42     for (ibfd = link_info.input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
  43       if ((syms = bfd_get_outsymbols (ibfd)) != NULL
  44           && bfd_get_flavour (ibfd) == bfd_target_elf_flavour)
  45         for (sec = ibfd->sections; sec != NULL; sec = sec->next)
  46           if ((sec->flags & (SEC_GROUP | SEC_LINKER_CREATED)) == SEC_GROUP)
  47             {
  48               struct bfd_elf_section_data *sec_data = elf_section_data (sec);
  49               struct bfd_symbol *sym = syms[sec_data->this_hdr.sh_info - 1];
  50               elf_group_id (sec) = sym;
  51               sym->flags |= BSF_KEEP;
  52             }
  53 }
  54
  55 static void
  56 gld${EMULATION_NAME}_before_allocation (void)
  57 {
  58   if (bfd_link_relocatable (&link_info)
  59       && !_bfd_elf_size_group_sections (&link_info))
  60     einfo (_("%X%P: can not size group sections: %E\n"));
  61   before_allocation_default ();
  62 }
  63
  64 static void
  65 gld${EMULATION_NAME}_after_allocation (void)
  66 {
  67   ldelf_map_segments (FALSE);
  68 }
  69 EOF
  70 # Put these extra routines in ld_${EMULATION_NAME}_emulation
  71 #
  72 LDEMUL_AFTER_OPEN=gld${EMULATION_NAME}_after_open
  73 LDEMUL_BEFORE_ALLOCATION=gld${EMULATION_NAME}_before_allocation
  74 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation