bfd/

bfd/
	* elf-bfd.h (struct elf_backend_data): Remove got_symbol_offset.
	* elfxx-target.h (elf_backend_got_symbol_offset): Delete.
	* elflink.c (_bfd_elf_create_got_section): Use zero in place of
	got_symbol_offset.
	* elf-m10300.c (_bfd_mn10300_elf_create_got_section): Likewise.
	* elf32-frv.c (_frv_create_got_section): Likewise.
	* elf32-i370.c (i370_elf_finish_dynamic_sections): Delete ppc code.
	(elf_backend_got_symbol_offset): Don't define.
	* elf64-ppc.c (elf_backend_got_symbol_offset): Don't define.
	* elf32-ppc.c (struct ppc_elf_link_hash_table): Add got_header_size
	and got_gap.
	(ppc_elf_create_got): Tidy.
	(ppc_elf_create_dynamic_sections): Don't set SEC_IN_MEMORY for .plt.
	(ppc_elf_check_relocs): Reduce string comparisons by using elf.hgot.
	(ppc_elf_gc_sweep_hook): Likewise.
	(ppc_elf_relocate_section): Likewise.
	(ppc_elf_finish_dynamic_symbol): Likewise.
	(allocate_got): New function.
	(allocate_dynrelocs): Use allocate_got.
	(ppc_elf_size_dynamic_sections): Likewise.  Delay tlsld_got allocation
	so that local got can refcount it.  Set got_header_size.
	(ppc_elf_relocate_section): Use value of elf.hgot rather than hard-
	coded 4.
	(ppc_elf_finish_dynamic_sections): Likewise.
	(elf_backend_got_symbol_offset): Don't define.
	(elf_backend_got_header_size): Ditto.
ld/testsuite/
	* ld-powerpc/tlsexe32.d: Update for changed got layout.
	* ld-powerpc/tlsexe32.g: Likewise.
	* ld-powerpc/tlsexe32.r: Likewise.
	* ld-powerpc/tlsso32.d: Likewise.
	* ld-powerpc/tlsso32.g: Likewise.
	* ld-powerpc/tlsso32.r: Likewise.