* traps.c: New file. Trap support moved here from sim-if.c.

	* traps.c: New file.  Trap support moved here from sim-if.c.
	* Makefile.in (SIM_OBJS): Add traps.o
	* sim-if.c: Don't include targ-vals.h.
	(sim_engine_illegal_insn): Moved to traps.c
	* sim-main.h (SIM_CORE_SIGNAL): Define.
	(m32r_core_signal): Declare.

	* devices.c (device_io_read_buffer): Handle cache purging via MCCR
	register.

	* m32r-sim.h (M32R_MISC_PROFILE): Move here from sim-main.h.
	(PROFILE_COUNT_SHORTINSNS,PROFILE_COUNT_LONGINSNS): New macros.
	(TRAP_SYSCALL,TRAP_BREAKPOINT): New macros.