* Make-common.in (SIM_EXTRA_DEPS): New config var.

	* Make-common.in (SIM_EXTRA_DEPS): New config var.
	(sim_main_headers): Define.
	(sim-*.o): Depend on $(SIM_EXTRA_DEPS).
	(BUILT_SRC_FROM_COMMON): Move here from ../d30v/Makefile.in.
	(clean): Use it.
	(sim-utils.o): Add rule for.
	* sim-utils.o: New file.
	* sim-basics.h: #include sim-base.h.
	(zalloc): Make argument unsigned long.
	* sim-base.h: New file.
	* sim-inline.h (SIM_IO support): Delete.
	* sim-io.h: Delete inline support.
	* sim-io.c: Likewise.  sim-state.h renamed to sim-main.h.
	* sim-config.c: sim-state.h renamed to sim-main.h.
	* sim-core.c: Likewise.
	* sim-events.c: Likewise.