extern bfd_boolean bfd_elf_gc_record_vtentry
(bfd *, asection *, struct elf_link_hash_entry *, bfd_vma);
+extern asection *_bfd_elf_gc_mark_hook
+ (asection *, struct bfd_link_info *, Elf_Internal_Rela *,
+ struct elf_link_hash_entry *, Elf_Internal_Sym *);
+
extern bfd_boolean _bfd_elf_gc_mark
(struct bfd_link_info *, asection *,
asection * (*) (asection *, struct bfd_link_info *, Elf_Internal_Rela *,