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authorH.J. Lu <hjl.tools@gmail.com>2006-07-12 15:45:33 +0000
committerH.J. Lu <hjl.tools@gmail.com>2006-07-12 15:45:33 +0000
commitd2dee3b25cafc19da767092a02deb52335e47591 (patch)
tree35f8042e8d3c9dbb98ae4ab078ebf930c6dd8f5e /bfd/elflink.c
parentfb405f8a9fc70b2cca45eceb2f23aed1528a3327 (diff)
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2006-07-12 H.J. Lu <hongjiu.lu@intel.com> PR ld/2884 * elflink.c (_bfd_elf_merge_symbol): Copy the symbol info from the old versioned dynamic definition to the new one with non-default visibility. Hide the symbol if it is hidden or internal. ld/testsuite/ 2006-07-12 H.J. Lu <hongjiu.lu@intel.com> PR ld/2884 * ld-elf/begin.c: New file. * ld-elf/end.c: Likewise. * ld-elf/endhidden.c: Likewise. * ld-elf/endprotected.c: Likewise. * ld-elf/foo.c: Likewise. * ld-elf/foo.map: Likewise. * ld-elf/hidden.out: Likewise. * ld-elf/main.c: Likewise. * ld-elf/normal.out: Likewise. * ld-elf/shared.exp: Likewise. * lib/ld-lib.exp (run_cc_link_tests): New.
Diffstat (limited to 'bfd/elflink.c')
-rw-r--r--bfd/elflink.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 9d65b5f..84d9d1f 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -1025,7 +1025,41 @@ _bfd_elf_merge_symbol (bfd *abfd,
relocatable file and the old definition comes from a dynamic
object, we remove the old definition. */
if ((*sym_hash)->root.type == bfd_link_hash_indirect)
- h = *sym_hash;
+ {
+ /* Handle the case where the old dynamic definition is
+ default versioned. We need to copy the symbol info from
+ the symbol with default version to the normal one if it
+ was referenced before. */
+ if (h->ref_regular)
+ {
+ const struct elf_backend_data *bed
+ = get_elf_backend_data (abfd);
+ struct elf_link_hash_entry *vh = *sym_hash;
+ vh->root.type = h->root.type;
+ h->root.type = bfd_link_hash_indirect;
+ (*bed->elf_backend_copy_indirect_symbol) (info, vh, h);
+ /* Protected symbols will override the dynamic definition
+ with default version. */
+ if (ELF_ST_VISIBILITY (sym->st_other) == STV_PROTECTED)
+ {
+ h->root.u.i.link = (struct bfd_link_hash_entry *) vh;
+ vh->dynamic_def = 1;
+ vh->ref_dynamic = 1;
+ }
+ else
+ {
+ h->root.type = vh->root.type;
+ vh->ref_dynamic = 0;
+ /* We have to hide it here since it was made dynamic
+ global with extra bits when the symbol info was
+ copied from the old dynamic definition. */
+ (*bed->elf_backend_hide_symbol) (info, vh, TRUE);
+ }
+ h = vh;
+ }
+ else
+ h = *sym_hash;
+ }
if ((h->root.u.undef.next || info->hash->undefs_tail == &h->root)
&& bfd_is_und_section (sec))