* elf32-ppc.c (struct ppc_elf_dyn_relocs): Define.

	* elf32-ppc.c (struct ppc_elf_dyn_relocs): Define.
	(struct ppc_elf_link_hash_entry): Define.
	(ppc_elf_hash_entry): New function.
	(struct ppc_elf_link_hash_table): Define.
	(ppc_elf_hash_table): New function.
	(ppc_elf_link_hash_newfunc): New function.
	(ppc_elf_link_hash_table_create): New function.
	(ppc_elf_copy_indirect_symbol): New function.
	(allocate_dynrelocs): New function.
	(readonly_dynrelocs): New function.
	(ppc_elf_size_dynamic_sections): Allocate space for dynamic
	relocs and determine DT_TEXTREL.
	(ppc_elf_check_relocs): Don't do that here, just count the
	dynamic relocs.
	(ppc_elf_gc_sweep_hook): Discard any dynamic relocs against the
	removed section.
	(bfd_elf32_bfd_link_hash_table_create): Define.
	(elf_backend_copy_indirect_symbol): Define.