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binutils-gdb
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2004-02-21 H.J. Lu <hongjiu.lu@intel.com> 

* elflink.c (_bfd_elf_merge_symbol): Properly handle undefined
	symbols with non-default visibility.
This commit is contained in:
H.J. Lu 2004-02-21 23:05:13 +00:00
parent 464a129bc8
commit 1de1a3173e
2 changed files with 25 additions and 2 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2004-02-21 H.J. Lu <hongjiu.lu@intel.com>
* elflink.c (_bfd_elf_merge_symbol): Properly handle undefined
symbols with non-default visibility.
2004-02-21 Danny Smith <daanysmith@users.sourceforge.net>
* peXXigen.c (_bfd_XXi_swap_scnhdr_out): Clear

22
bfd/elflink.c
View File

@ -843,8 +843,26 @@ _bfd_elf_merge_symbol (bfd *abfd,
object, we remove the old definition. */
if ((*sym_hash)->root.type == bfd_link_hash_indirect)
h = *sym_hash;
h->root.type = bfd_link_hash_new;
h->root.u.undef.abfd = NULL;
if ((h->root.und_next || info->hash->undefs_tail == &h->root)
&& bfd_is_und_section (sec))
{
/* If the new symbol is undefined and the old symbol was
also undefined before, we need to make sure
_bfd_generic_link_add_one_symbol doesn't mess
up the linker hash table undefs list. Since the old
definition came from a dynamic object, it is still on the
undefs list. */
h->root.type = bfd_link_hash_undefined;
/* FIXME: What if the new symbol is weak undefined? */
h->root.u.undef.abfd = abfd;
}
else
{
h->root.type = bfd_link_hash_new;
h->root.u.undef.abfd = NULL;
}
if (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC)
{
h->elf_link_hash_flags &= ~ELF_LINK_HASH_DEF_DYNAMIC;