include/

	* bfdlink.h (bfd_link_repair_undef_list): Declare.
bfd/
	* elf64-ppc.c (ppc64_elf_check_directives): Move undefs list fixup..
	* linker.c (bfd_link_repair_undef_list): ..to new function, but don't
	remove anything but new and undefweak.
	* elflink.c (_bfd_elf_link_create_dynamic_sections): Override any
	existing _DYNAMIC.
	(_bfd_elf_create_dynamic_sections): Formatting.
	(bfd_elf_record_link_assignment): Call bfd_link_repair_undef_list.
	(_bfd_elf_merge_symbol): Don't handle as-needed syms here.
	(struct elf_smash_data): New.
	(elf_smash_syms): New function.
	(elf_link_add_object_symbols): Call elf_smash_syms.  Don't add
	unneeded dynamic objects to loaded list.
	(elf_link_output_extsym): Don't handle as-needed here.  Strip
	bfd_link_hash_new symbols.
	* elf32-cris.c (elf_cris_discard_excess_program_dynamics): Don't
	delref when dynindx is already -1.
	* elf64-alpha.c (elf64_alpha_output_extsym): Strip bfd_link_hash_new
	symbols.
	* elfxx-mips.c (mips_elf_output_extsym): Likewise.
ld/
	* ld.texinfo: Clarify --as-needed operation.

1 files changed, 1 insertions, 28 deletions

diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index 2f30dd53d5f..c75c34a7136 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -4066,34 +4066,7 @@ ppc64_elf_check_directives (bfd *abfd ATTRIBUTE_UNUSED,
      undef_weak.  */
   if (htab->twiddled_syms)
     {
-      struct bfd_link_hash_entry **pun;
-
-      pun = &htab->elf.root.undefs;
-      while (*pun != NULL)
-	{
-	  struct bfd_link_hash_entry *h = *pun;
-
-	  if (h->type != bfd_link_hash_undefined
-	      && h->type != bfd_link_hash_common)
-	    {
-	      *pun = h->u.undef.next;
-	      h->u.undef.next = NULL;
-	      if (h == htab->elf.root.undefs_tail)
-		{
-		  if (pun == &htab->elf.root.undefs)
-		    htab->elf.root.undefs_tail = NULL;
-		  else
-		    /* pun points at an u.undef.next field.  Go back to
-		       the start of the link_hash_entry.  */
-		    htab->elf.root.undefs_tail = (struct bfd_link_hash_entry *)
-		      ((char *) pun - ((char *) &h->u.undef.next - (char *) h));
-		  break;
-		}
-	    }
-	  else
-	    pun = &h->u.undef.next;
-	}
-
+      bfd_link_repair_undef_list (&htab->elf.root);
       htab->twiddled_syms = 0;
     }
   return TRUE;