* arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):

	* arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
	New function.
	(Arm_relocate_functions::insert_val_arm_movw_movt): New function.
	(Arm_relocate_functions::extract_thumb_movw_movt_addend): New
	function.
	(Arm_relocate_functions::insert_val_thumb_movw_movt): New
	function.
	(Arm_relocate_functions::movw_abs_nc): New function.
	(Arm_relocate_functions::movt_abs): New function.
	(Arm_relocate_functions::thm_movw_abs_nc): New function.
	(Arm_relocate_functions::thm_movt_abs): New function.
	(Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
	R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
	(Scan::global): Likewise.
	(Relocate::relocate): Likewise.
	(Relocatable_size_for_reloc::get_size_for_reloc): Likewise.