Extend the object code format by adding a (currently empty) scope table.

Use the address size for import, export and debug symbols (object code
change).
More changes to support the --memory-model switch and address sizes.


git-svn-id: svn://svn.cc65.org/cc65/trunk@2691 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/ca65/segment.c

@@ -37,6 +37,7 @@
 #include <errno.h>
 
 /* common */
+#include "mmodel.h"
 #include "segnames.h"
 #include "xmalloc.h"
 
@@ -488,6 +489,36 @@ static void WriteOneSeg (Segment* Seg)
 
 
 
+void InitSegments (void)
+/* Initialize segments */
+{
+    /* Initialize segment sizes. The segment definitions do already contain
+     * the correct values for the default case (near), so we must only change
+     * things that should be different.
+     */                    
+    switch (MemoryModel) {
+
+        case MMODEL_NEAR:
+            break;
+
+        case MMODEL_FAR:
+            CodeSegDef.AddrSize = ADDR_SIZE_FAR;
+            break;
+
+        case MMODEL_HUGE:
+            CodeSegDef.AddrSize   = ADDR_SIZE_FAR;
+            DataSegDef.AddrSize   = ADDR_SIZE_FAR;
+            BssSegDef.AddrSize    = ADDR_SIZE_FAR;
+            RODataSegDef.AddrSize = ADDR_SIZE_FAR;
+            break;
+
+        default:
+            Internal ("Invalid memory model: %d", MemoryModel);
+    }
+}
+
+
+
 void WriteSegments (void)
 /* Write the segment data to the object file */
 {