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| author | Alan Modra <amodra@gmail.com> | 2018-02-13 14:09:48 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2018-02-13 22:55:49 +1030 |
| commit | 6e5e9d58c1eeef5677c90886578a895cb8c164c5 (patch) | |
| tree | cb2ae019115967a391262d5f9533e0fd19e7944f /bfd/elflink.c | |
| parent | f2731e0c374e5323ce4cdae2bcc7b7fe22da1a6f (diff) | |
| download | gdb-6e5e9d58c1eeef5677c90886578a895cb8c164c5.zip gdb-6e5e9d58c1eeef5677c90886578a895cb8c164c5.tar.gz gdb-6e5e9d58c1eeef5677c90886578a895cb8c164c5.tar.bz2 | |
PR22836, "-r -s" doesn't work with -g3 using GCC 7
This fixes the case where all of a group is removed with ld -r, the
situation in the PR, and failures where part of a group is removed
that contain relocs.
bfd/
PR 22836
* elf.c (_bfd_elf_fixup_group_sections): Account for removed
relocation sections. If size reduces to just the flag word,
remove that too and mark with SEC_EXCLUDE.
* elflink.c (bfd_elf_final_link): Strip empty group sections.
binutils/
* testsuite/binutils-all/group-7.s,
* testsuite/binutils-all/group-7a.d,
* testsuite/binutils-all/group-7b.d,
* testsuite/binutils-all/group-7c.d: New tests.
* testsuite/binutils-all/objcopy.exp: Run them.
ld/
* testsuite/ld-elf/pr22836-2.d,
* testsuite/ld-elf/pr22836-2.s: New test.
Diffstat (limited to 'bfd/elflink.c')
| -rw-r--r-- | bfd/elflink.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/bfd/elflink.c b/bfd/elflink.c index d1eb820..6eb47ee 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -11618,6 +11618,13 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info) else o->flags |= SEC_EXCLUDE; } + else if ((o->flags & SEC_GROUP) != 0 && o->size == 0) + { + /* Remove empty group section from linker output. */ + o->flags |= SEC_EXCLUDE; + bfd_section_list_remove (abfd, o); + abfd->section_count--; + } } /* Count up the number of relocations we will output for each output |