* config/alpha/alpha-protos.h: Update.

	* config/alpha/alpha.c: (LINKAGE_SYMBOL_REF_P): New macro.
	(alpha_legitimate_address_p): Test LINKAGE_SYMBOL_REF_P.
	(alpha_linkage_symbol_p): New static function.
	(print_operand_address): Print linkage operand.

	(alpha_funcs_num, alpha_funcs_tree, alpha_links_tree): New static
	variables.
	(reloc_kind): New enum.
	(struct alpha_funcs): New struct.
	(struct alpha_links): Add reloc_kind field. Rename links_kind field.

	(alpha_need_linkage): Rewrite.
	(alpha_use_linkage): New global function.
	(alpha_write_linkage): Rewrite and make static.
	(alpha_write_one_linkage): Rewrite

	(alpha_start_function): Remove procedure descriptor output.
	(alpha_end_function): Write linkages at end of each function.

	* config/alpha/alpha.md (call_vms, call_value_vms): Rewrite.
	(call_vms_1, call_value_vms_1): Rewrite.

	* config/alpha/vms.h (ASM_FILE_END): Remove.

From-SVN: r56338