application exit error handing

driver/simx/Makefile

@@ -17,12 +17,14 @@ CXXFLAGS += -DDUMP_PERF_STATS
 LDFLAGS += -shared -pthread
 #LDFLAGS += -dynamiclib -pthread
 
+DBG_FLAGS += -DDEBUG_LEVEL=3
+
 SRCS = vortex.cpp ../common/vx_utils.cpp 
 SRCS += $(SIMX_DIR)/util.cpp $(SIMX_DIR)/args.cpp $(SIMX_DIR)/mem.cpp $(SIMX_DIR)/pipeline.cpp $(SIMX_DIR)/warp.cpp $(SIMX_DIR)/core.cpp $(SIMX_DIR)/decode.cpp $(SIMX_DIR)/execute.cpp
 
 # Debugigng
 ifdef DEBUG
-	CXXFLAGS += $(DBG_FLAGS) -DUSE_DEBUG=3
+	CXXFLAGS += $(DBG_FLAGS)
 else    
 	CXXFLAGS += -DNDEBUG
 endif