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| author | H.J. Lu <hjl.tools@gmail.com> | 2019-03-15 22:19:01 +0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2019-03-15 22:19:20 +0800 |
| commit | 2219ae0b0ebe14373850b000c2abaa31dab1d741 (patch) | |
| tree | 8f138e44655f3af01b98d9567157c192f9d06ad2 /bfd/coffgen.c | |
| parent | 1c82ed745bec154a3cd8a8bbf36c5be5086041d5 (diff) | |
| download | gdb-2219ae0b0ebe14373850b000c2abaa31dab1d741.zip gdb-2219ae0b0ebe14373850b000c2abaa31dab1d741.tar.gz gdb-2219ae0b0ebe14373850b000c2abaa31dab1d741.tar.bz2 | |
COFF: Check for symbols defined in discarded section
For LTO, a symbol may defined in discarded section. We should mark it
as undefined so that LTO plugin will make IR definition available.
PR ld/24267
* coffgen.c (_bfd_coff_section_already_linked): Skip discarded
section.
* cofflink.c (coff_link_add_symbols): Check for symbols defined
in discarded section.
Diffstat (limited to 'bfd/coffgen.c')
| -rw-r--r-- | bfd/coffgen.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/bfd/coffgen.c b/bfd/coffgen.c index 5db35c7..ccf4b43 100644 --- a/bfd/coffgen.c +++ b/bfd/coffgen.c @@ -2652,6 +2652,9 @@ _bfd_coff_section_already_linked (bfd *abfd, struct bfd_section_already_linked_hash_entry *already_linked_list; struct coff_comdat_info *s_comdat; + if (sec->output_section == bfd_abs_section_ptr) + return FALSE; + flags = sec->flags; if ((flags & SEC_LINK_ONCE) == 0) return FALSE; |