* emultempl/aix.em: Include ldctor.h.

	* emultempl/aix.em: Include ldctor.h.
	(gld${EMULATION_NAME}_after_open): New static function.
	(gld${EMULATION_NAME}_before_allocation): Call find_relocs.
	(gld${EMULATION_NAME}_find_relocs): New static function.
	(gld${EMULATION_NAME}_find_exp_assignment): New static function.
	(ld_${EMULATION_NAME}_emulation): Use new after_open function.
	* scripttempl/aix.sc: Use CONSTRUCTORS in .data.
	* ldctor.c (struct set_info): Move definition into ldctor.h.
	(struct set_element): Likewise.
	(sets): Make non-static.
	(ldctor_add_set_entry): Add name parameter.  Save it in the new
	set element.
	(ldctor_build_sets): Avoid being called twice.  Pass set element
	name to lang_add_reloc.
	* ldctor.h (struct set_info): Move definition here from ldctor.c.
	(struct set_element): Likewise.  Add new field name.
	(sets): Declare.
	(ldctor_add_set_entry): Declare new name parameter.
	* ldwrite.c (build_link_order): Don't insist that either name or
	section be NULL in a lang_reloc_statement.
	* ldmain.c (add_to_set): Pass NULL to ldctor_add_new_set_entry for
	new name parameter.
	(constructor_callback): Pass name to ldctor_add_new_set_entry for
	new name parameter.