X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2FSDCCmem.c;h=c98b2bd0f9ab538305821005d907fb901e95be15;hb=663b4c8f71506223e98aa03388f0cb05a01d9205;hp=da118602a3f1fcc5d481a5af9dffbb32ba1aae86;hpb=5d74cec95c1e4e29924b01ac1cf6e482388f7abe;p=fw%2Fsdcc

diff --git a/src/SDCCmem.c b/src/SDCCmem.c
index da118602..c98b2bd0 100644
--- a/src/SDCCmem.c
+++ b/src/SDCCmem.c
@@ -104,7 +104,12 @@ initMem ()
      DEBUG-NAME     -   'B'
      POINTER-TYPE   -   POINTER
    */
-  istack = allocMap (0, 0, 0, 0, 0, 0, options.stack_loc, ISTACK_NAME, 'B', POINTER);
+  if (ISTACK_NAME) {
+    istack = allocMap (0, 0, 0, 0, 0, 0, options.stack_loc, 
+		       ISTACK_NAME, 'B', POINTER);
+  } else {
+    istack=NULL;
+  }
 
   /* code  segment ;   
      SFRSPACE       -   NO
@@ -164,7 +169,11 @@ initMem ()
      DEBUG-NAME     -   'E'
      POINTER-TYPE   -   POINTER
    */
-  overlay = allocMap (0, 0, 0, 1, 0, 0, options.data_loc, DATA_NAME, 'E', POINTER);
+  if (OVERLAY_NAME) {
+    overlay = allocMap (0, 0, 0, 1, 0, 0, options.data_loc, DATA_NAME, 'E', POINTER);
+  } else {
+    overlay = NULL;
+  }
 
   /* Xternal Data segment - 
      SFRSPACE       -   NO
@@ -190,7 +199,12 @@ initMem ()
      DEBUG-NAME     -   'G'
      POINTER-TYPE   -   IPOINTER
    */
-  idata = allocMap (0, 0, 0, 0, 0, 0, options.idata_loc, IDATA_NAME, 'G', IPOINTER);
+  if (IDATA_NAME) {
+    idata = allocMap (0, 0, 0, 0, 0, 0, options.idata_loc, 
+		      IDATA_NAME, 'G', IPOINTER);
+  } else {
+    idata=NULL;
+  }
 
   /* Static segment (code for variables );
      SFRSPACE       -   NO
@@ -546,14 +560,13 @@ deallocParms (value * val)
 
       /* unmark is myparm */
       lval->sym->ismyparm = 0;
-      /* if on stack then depending on which stack */
 
       /* delete it from the symbol table  */
       deleteSym (SymbolTab, lval->sym, lval->sym->name);
 
       if (!lval->sym->isref)
 	{
-	  lval->sym->allocreq = 1;
+	  lval->sym->allocreq = 0;
 	  werror (W_NO_REFERENCE, currFunc->name,
 		  "function argument", lval->sym->name);
 	}
@@ -724,7 +737,7 @@ deallocLocal (symbol * csym)
 
   for (sym = csym; sym; sym = sym->next)
     {
-      if (sym->_isparm)
+      if (sym->_isparm) 
 	continue;
 
       /* if it is on the stack */
@@ -1064,6 +1077,10 @@ canOverlayLocals (eBBlock ** ebbs, int count)
 void 
 doOverlays (eBBlock ** ebbs, int count)
 {
+  if (!overlay) {
+    return;
+  }
+
   /* check if the parameters and local variables
      of this function can be put in the overlay segment
      This check is essentially to see if the function
@@ -1101,4 +1118,5 @@ printAllocInfo (symbol * func, FILE * of)
   printAllocInfoSeg (idata, func, of);
   printAllocInfoSeg (sfr, func, of);
   printAllocInfoSeg (sfrbit, func, of);
+  fprintf (of, ";------------------------------------------------------------\n");
 }