xref: /netbsd-src/external/gpl3/binutils.old/dist/ld/emultempl/genelf.em (revision e992f068c547fd6e84b3f104dc2340adcc955732)
1# This shell script emits a C file. -*- C -*-
2#   Copyright (C) 2006-2022 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#
24fragment <<EOF
25#include "elf-bfd.h"
26#include "ldelfgen.h"
27
28EOF
29source_em ${srcdir}/emultempl/elf-generic.em
30fragment <<EOF
31
32static void
33gld${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
55static void
56gld${EMULATION_NAME}_before_allocation (void)
57{
58  if (bfd_link_relocatable (&link_info)
59      && !_bfd_elf_size_group_sections (&link_info))
60    einfo (_("%X%P: can not size group sections: %E\n"));
61  before_allocation_default ();
62}
63
64static void
65gld${EMULATION_NAME}_after_allocation (void)
66{
67  ldelf_map_segments (false);
68}
69EOF
70# Put these extra routines in ld_${EMULATION_NAME}_emulation
71#
72LDEMUL_AFTER_OPEN=gld${EMULATION_NAME}_after_open
73LDEMUL_BEFORE_ALLOCATION=gld${EMULATION_NAME}_before_allocation
74LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
75