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| author | H.J. Lu <hjl.tools@gmail.com> | 2006-07-12 15:45:33 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2006-07-12 15:45:33 +0000 |
| commit | d2dee3b25cafc19da767092a02deb52335e47591 (patch) | |
| tree | 35f8042e8d3c9dbb98ae4ab078ebf930c6dd8f5e /bfd | |
| parent | fb405f8a9fc70b2cca45eceb2f23aed1528a3327 (diff) | |
| download | gdb-d2dee3b25cafc19da767092a02deb52335e47591.zip gdb-d2dee3b25cafc19da767092a02deb52335e47591.tar.gz gdb-d2dee3b25cafc19da767092a02deb52335e47591.tar.bz2 | |
bfd/
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')
| -rw-r--r-- | bfd/ChangeLog | 8 | ||||
| -rw-r--r-- | bfd/elflink.c | 36 |
2 files changed, 43 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index e9a5dba..411f704 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,11 @@ +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. + 2006-07-12 Matthew R. Dempsky <mrd@alkemio.org> * cpu-m68k.c (bfd_m68k_compatible): Handle CPU32. 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)) |