* elf64-ppc.c (struct ppc_link_hash_table): Add stub_globals.

	* elf64-ppc.c (struct ppc_link_hash_table): Add stub_globals.
	(is_ppc64_elf_target): Rename from is_ppc64_target.  Update all
	callers.
	(ppc_stub_name): Remove trailing "+0" on stub name.
	(create_linkage_sections): Create relocations for
	branch lookup table when --emit-relocs as well as when --shared.
	(ppc_build_one_stub): Emit relocs for long branch stubs.  Adjust
	relbrlt test.  For --emit-stub-syms, always output a sym even when
	one already exists on a plt call stub.  Put stub type in the stub
	symbol name.
	(ppc_size_one_stub): Size long branch stub relocs.  Adjust relbrlt
	test.
	(ppc64_elf_size_stubs): Count global sym stubs added.  Zero
	reloc_count in stub sections.  Adjust relbrlt test.
	(ppc64_elf_build_stubs): Adjust relbrlt test.  Tweak stats output.
	* elflink.c (bfd_elf_size_dynamic_sections): Fix comment typo.
	(elf_link_input_bfd): Ignore symbol index zero relocs when checking
	for relocs against discarded symbols.  Fix comments.