* interp.c (sim_resume): Clear State.exited.

(sim_stop_reason): If State.exited is nonzero, then indicate that
        the simulator exited instead of stopped.
        * mn10300_sim.h (struct _state): Add exited field.
        * simops.c (syscall): Set State.exited for SYS_exit.

Fixes problem found bin Felix.

sim/mn10300/simops.c

@@ -2940,6 +2940,7 @@ void OP_F020 (insn, extension)
 	State.exception = SIGABRT;
       else
 	State.exception = SIGQUIT;
+      State.exited = 1;
       break;
 
     case SYS_stat:	/* added at hmsi */