> compile NEMU

221220000 张三
Linux zzy 5.15.146.1-microsoft-standard-WSL2 #1 SMP Thu Jan 11 04:09:03 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
 09:57:21 up 13:56,  2 users,  load average: 0.26, 0.21, 0.14

nemu/scripts/build.mk

@@ -25,12 +25,24 @@ INCLUDES = $(addprefix -I, $(INC_PATH))
 CFLAGS  := -O2 -MMD -Wall -Werror $(INCLUDES) $(CFLAGS)
 LDFLAGS := -O2 $(LDFLAGS)
 
+# Define a variable to hold the test macro flag
+TEST_CFLAGS ?=
+
+# Check if the user passed the "test any" command
+ifeq ("$(findstring test,$(MAKECMDGOALS))","test")
+    TEST_CFLAGS += -D$(MAKECMDGOALS:~1)
+endif
+
+# Add the test macro flag to the compilation flags
+CFLAGS += $(TEST_CFLAGS)
+
 OBJS = $(SRCS:%.c=$(OBJ_DIR)/%.o) $(CXXSRC:%.cc=$(OBJ_DIR)/%.o)
 
 # Compilation patterns
 $(OBJ_DIR)/%.o: %.c
 	@echo + CC $<
 	@mkdir -p $(dir $@)
+	@echo + TEST_CFLAGS $(CFLAGS)
 	@$(CC) $(CFLAGS) -c -o $@ $<
 	$(call call_fixdep, $(@:.o=.d), $@)
 

nemu/src/monitor/sdb/sdb.c

@@ -171,6 +171,10 @@ void sdb_set_batch_mode() {
 }
 
 void sdb_mainloop() {
+#ifdef _TEST_SDB_MAIN_LOOP_
+  Log("_TEST_SDB_MAIN_LOOP_");
+#endif
+
   if (is_batch_mode) {
     cmd_c(NULL);
     return;