bfd/

bfd/
	* elfxx-target.h (bfd_elfNN_get_synthetic_symtab): Only define
	if not yet defined.
	* elf64-ppc.c (bfd_elf64_get_synthetic_symtab): Define.
	(synthetic_opd, synthetic_relocatable): New variables.
	(compare_symbols, compare_relocs): New helper routines.
	(ppc64_elf_get_synthetic_symtab): New function.
	* bfd.c (bfd_get_synthetic_symtab): Rename dynsyms argument
	to relsyms.
	* bfd-in2.h: Regenerated.
	* elf.c (_bfd_elf_get_synthetic_symtab): Rename dynsyms argument
	to relsyms.  Return 0 if abfd is relocatable.
binutils/
	* objdump.c (dump_bfd): For relocatable objects, pass syms instead
	of dynsyms to bfd_get_synthetic_symtab.