bfd/

bfd/
	* elf64-ppc.c (func_desc_adjust): Move code creating func desc sym to..
	(make_fdh): ..here.  New function.  Don't set BSF_OBJECT for
	undefined syms.
	(struct add_symbol_adjust_data): New.
	(add_symbol_adjust): Make an undefweak func desc for old ABI
	objects to link with --as-needed shared libs.  Return fail status.
	Don't adjust old ABI func entry sym to weak if func desc syms
	isn't defined.
	(ppc64_elf_check_directives): Adjust call to add_symbol_adjust,
	and return status.
ld/testsuite/
	* ld-powerpc/tlsso.r: Update.
	* ld-powerpc/tlstocso.r: Update.