* elf64-ppc.c (toc_adjusting_stub_needed): New function.

	* elf64-ppc.c (toc_adjusting_stub_needed): New function.
	(ppc64_elf_next_input_section): Use it here to set has_gp_reloc.
	Return error condition.
	(ppc64_elf_size_stubs): Restrict toc adjusting stubs to sections
	that have has_gp_reloc set.
	(struct ppc_link_hash_table): Add stub_count.
	(ppc_build_one_stub): Increment it.
	(ppc64_elf_link_hash_table_create): zmalloc rather than clearing
	individual fields.
	* elf64-ppc.h (ppc64_elf_next_input_section): Update prototype.