Hide ppc64 .TOC. from --export-dynamic

(cherry picked from commit dba6fa9bce92c9f9fcca07269ac8443797bd9338)

bfd/ChangeLog

 2013-11-15  Alan Modra  <amodra@gmail.com>
 
 	Apply changes from mainline to 2.24
+	2013-11-05  Alan Modra  <amodra@gmail.com>
+	* elf64-ppc.c (ppc64_elf_func_desc_adjust): Make .TOC. defined and
+	hidden.
+	(ppc64_elf_set_toc): Adjust.
+
 	2013-11-05  Alan Modra  <amodra@gmail.com>
 	* elf64-ppc.c (struct ppc_link_hash_table): Remove got, plt, relplt,
 	iplt, reliplt.  Update all references to use elf.sgot, elf.splt,

bfd/elf64-ppc.c

@@ -6837,7 +6837,18 @@ ppc64_elf_func_desc_adjust (bfd *obfd ATTRIBUTE_UNUSED,
 
   if (!info->relocatable
       && htab->elf.hgot != NULL)
-    _bfd_elf_link_hash_hide_symbol (info, htab->elf.hgot, TRUE);
+    {
+      _bfd_elf_link_hash_hide_symbol (info, htab->elf.hgot, TRUE);
+      /* Make .TOC. defined so as to prevent it being made dynamic.
+	 The wrong value here is fixed later in ppc64_elf_set_toc.  */
+      htab->elf.hgot->type = STT_OBJECT;
+      htab->elf.hgot->root.type = bfd_link_hash_defined;
+      htab->elf.hgot->root.u.def.value = 0;
+      htab->elf.hgot->root.u.def.section = bfd_abs_section_ptr;
+      htab->elf.hgot->def_regular = 1;
+      htab->elf.hgot->other = ((htab->elf.hgot->other & ~ELF_ST_VISIBILITY (-1))
+			       | STV_HIDDEN);
+    }
 
   if (htab->sfpr == NULL)
     /* We don't have any relocs.  */
@@ -12329,8 +12340,6 @@ ppc64_elf_set_toc (struct bfd_link_info *info, bfd *obfd)
       if (htab != NULL
 	  && htab->elf.hgot != NULL)
 	{
-	  htab->elf.hgot->type = STT_OBJECT;
-	  htab->elf.hgot->root.type = bfd_link_hash_defined;
 	  htab->elf.hgot->root.u.def.value = TOC_BASE_OFF;
 	  htab->elf.hgot->root.u.def.section = s;
 	}