* config/tc-mips.c (mips_big_got): New static variable.

	* config/tc-mips.c (mips_big_got): New static variable.
	(s_extern): Don't declare.
	(reg_needs_delay): New static function.
	(macro_build): Permit GOT/CALL_HI/LO relocs.
	(macro_build_lui): If place is not NULL, use the number in the
	expression.
	(load_address): Handle mips_big_got case.
	(macro): Handle mips_big_got for M_LA_AB, M_JAL_A, and load and
	store macros.
	(OPTION_XGOT): Define.
	(md_longopts): Add "xgot" if OBJ_ELF.
	(md_parse_option): Handle -xgot.
	(md_show_usage): Mention -xgot.
	(md_apply_fix): Permit GOT/CALL_HI/LO relocs.
	(tc_gen_reloc): Handle GOT/CALL_HI/LO relocs.