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d0bf826b37
* elf.c (_bfd_elf_fixup_group_sections): New function, split out from..
(_bfd_elf_copy_private_header_data): ..here.
* elflink.c (_bfd_elf_size_group_sections): New function.
(bfd_elf_size_dynamic_sections): Call it.
* elf-bfd.h (_bfd_elf_size_group_sections): Declare.
(_bfd_elf_fixup_group_sections): Declare.
ld/
* ldlang.c (unique_section_p): Add os param. Allow group
sections to match /DISCARD/. Update all callers.
* emultempl/genelf.em (gld${EMULATION_NAME}_before_allocation): New.
(LDEMUL_BEFORE_ALLOCATION): Define.
ld/testsuite/
* ld-elf/group.ld: Discard .dropme sections.
* ld-elf/group10.d, * ld-elf/group10.s: New test.
70 lines
2.1 KiB
Plaintext
70 lines
2.1 KiB
Plaintext
# This shell script emits a C file. -*- C -*-
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# Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
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#
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# This file is part of the GNU Binutils.
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#
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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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#
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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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#
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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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#
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# This file is sourced from generic.em
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#
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fragment <<EOF
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#include "elf-bfd.h"
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EOF
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source_em ${srcdir}/emultempl/elf-generic.em
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fragment <<EOF
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static void
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gld${EMULATION_NAME}_after_open (void)
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{
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bfd *ibfd;
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asection *sec;
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asymbol **syms;
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if (link_info.relocatable)
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for (ibfd = link_info.input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
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if ((syms = bfd_get_outsymbols (ibfd)) != NULL
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&& bfd_get_flavour (ibfd) == bfd_target_elf_flavour)
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for (sec = ibfd->sections; sec != NULL; sec = sec->next)
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if ((sec->flags & (SEC_GROUP | SEC_LINKER_CREATED)) == SEC_GROUP)
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{
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struct bfd_elf_section_data *sec_data = elf_section_data (sec);
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elf_group_id (sec) = syms[sec_data->this_hdr.sh_info - 1];
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}
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}
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static void
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gld${EMULATION_NAME}_before_allocation (void)
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{
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if (link_info.relocatable
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&& !_bfd_elf_size_group_sections (&link_info))
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einfo ("%X%P: can not size group sections: %E\n");
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before_allocation_default ();
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}
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static void
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gld${EMULATION_NAME}_after_allocation (void)
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{
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gld${EMULATION_NAME}_map_segments (FALSE);
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}
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EOF
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# Put these extra routines in ld_${EMULATION_NAME}_emulation
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#
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LDEMUL_AFTER_OPEN=gld${EMULATION_NAME}_after_open
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LDEMUL_BEFORE_ALLOCATION=gld${EMULATION_NAME}_before_allocation
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LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
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