diff options
| author | H.J. Lu <hjl.tools@gmail.com> | 2016-06-28 08:08:04 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2016-06-28 08:08:30 -0700 |
| commit | f4ab0e2d1d4e14cfdddf46ac846c48ae55f4e14a (patch) | |
| tree | d2afef7558477e2ddbc901c3170a3a0278b61b75 /bfd | |
| parent | 1b857aeed3f5cfddc4b5b1f5836ccd341aeb9f5d (diff) | |
| download | gdb-f4ab0e2d1d4e14cfdddf46ac846c48ae55f4e14a.zip gdb-f4ab0e2d1d4e14cfdddf46ac846c48ae55f4e14a.tar.gz gdb-f4ab0e2d1d4e14cfdddf46ac846c48ae55f4e14a.tar.bz2 | |
Skip version check for unreferenced and undefined symbol
No need to check version if symbol is unreferenced and undefined.
bfd/
PR ld/20306
* elflink.c (elf_link_check_versioned_symbol): Return false
for unreferenced undefined symbol.
ld/testsuite/
* testsuite/ld-gc/gc.exp: Run pr20306 test.
* ld-gc/pr20306.c: New file.
* ld-gc/pr20306.d: Likewise.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/elflink.c | 3 |
2 files changed, 8 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 8ad7d0d..9e2534e 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2016-06-28 H.J. Lu <hongjiu.lu@intel.com> + + PR ld/20306 + * elflink.c (elf_link_check_versioned_symbol): Return false + for unreferenced undefined symbol. + 2016-06-28 Nick Clifton <nickc@redhat.com> * elf32-bfin.c (bfin_adjust_dynamic_symbol): Fail if a COPY reloc diff --git a/bfd/elflink.c b/bfd/elflink.c index ad8493b..3e24940 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -9053,7 +9053,8 @@ elf_link_check_versioned_symbol (struct bfd_link_info *info, case bfd_link_hash_undefined: case bfd_link_hash_undefweak: abfd = h->root.u.undef.abfd; - if ((abfd->flags & DYNAMIC) == 0 + if (abfd == NULL + || (abfd->flags & DYNAMIC) == 0 || (elf_dyn_lib_class (abfd) & DYN_DT_NEEDED) == 0) return FALSE; break; |