Prepared the code for referencing a symbol that forces the startup code to get

linked in.


git-svn-id: svn://svn.cc65.org/cc65/trunk@3976 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/cc65/codegen.c

@@ -385,6 +385,16 @@ void g_defimport (const char* Name, int ZP)
 
 
 
+void g_importstartup (void)
+/* Forced import of the startup segment */
+{   
+#if 0 
+    AddTextLine ("\t.forceimport\t__STARTUP_RUN__");
+#endif
+}
+
+
+
 void g_importmainargs (void)
 /* Forced import of a special symbol that handles arguments to main */
 {

src/cc65/codegen.h

@@ -153,6 +153,9 @@ void g_defexport (const char* Name, int ZP);
 void g_defimport (const char* Name, int ZP);
 /* Import the given label */
 
+void g_importstartup (void);
+/* Forced import of the startup segment */
+
 void g_importmainargs (void);
 /* Forced import of a special symbol that handles arguments to main */
 

src/cc65/function.c

@@ -381,6 +381,11 @@ void NewFunc (SymEntry* Func)
             Error ("`main' must always return an int");
         }
 
+        /* Add a forced import of a symbol that is contained in the startup
+         * code. This will force the startup code to be linked in.
+         */
+        g_importstartup ();
+
         /* If main() takes parameters, generate a forced import to a function
          * that will setup these parameters. This way, programs that do not
          * need the additional code will not get it.