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| author | H.J. Lu <hjl.tools@gmail.com> | 2019-04-26 07:52:00 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2019-04-26 07:52:09 -0700 |
| commit | c54f15248ee990df6cea0b4730cd61b227a0e082 (patch) | |
| tree | c1549a19c4b4e75fb7ab4d6d8a03d6e75c5f0c67 /bfd | |
| parent | 8e1920d611ab3330d6dfa610ff771cf5dc796097 (diff) | |
| download | gdb-c54f15248ee990df6cea0b4730cd61b227a0e082.zip gdb-c54f15248ee990df6cea0b4730cd61b227a0e082.tar.gz gdb-c54f15248ee990df6cea0b4730cd61b227a0e082.tar.bz2 | |
Don't complain undefined weak dynamic reference
When undefined non-weak references in IR objects are optimized out
by LTO, we can have weak dynamic referencs to symbols marked with
bfd_link_hash_undefined. We shouldn't complain such undefined weak
dynamic references.
bfd/
PR ld/24486
* elflink.c (elf_link_output_extsym): Don't complain undefined
weak dynamic reference.
ld/
PR ld/24486
* testsuite/ld-plugin/lto.exp: Run PR ld/24486 tests.
* testsuite/ld-plugin/pr24486a.c: New file.
* testsuite/ld-plugin/pr24486b.c: Likewise.
* testsuite/ld-plugin/pr24486c.c: Likewise.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/elflink.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 7539773..b39197d 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2019-04-26 H.J. Lu <hongjiu.lu@intel.com> + + PR ld/24486 + * elflink.c (elf_link_output_extsym): Don't complain undefined + weak dynamic reference. + 2019-04-25 Sudakshina Das <sudi.das@arm.com> * elfnn-aarch64.c (PLT_BTI_ENTRY_SIZE): Remove. diff --git a/bfd/elflink.c b/bfd/elflink.c index 81e667d..ddeaa08 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -9776,7 +9776,7 @@ elf_link_output_extsym (struct bfd_hash_entry *bh, void *data) /* If we are reporting errors for this situation then do so now. */ if (!ignore_undef - && h->ref_dynamic + && h->ref_dynamic_nonweak && (!h->ref_regular || flinfo->info->gc_sections) && !elf_link_check_versioned_symbol (flinfo->info, bed, h) && flinfo->info->unresolved_syms_in_shared_libs != RM_IGNORE) |