X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fxa51%2Fgen.c;h=2eace67994a3c2b8faf960cdc1c2b2406b4d05b0;hb=ea914976dfeb8f841e6530ef6d81a778c8bc0e88;hp=3313b880c03e75822f70ebb091911ecd00ae46ec;hpb=3d58cb9a66f19d279fd1643f531a3f2f6cc4dcb3;p=fw%2Fsdcc

diff --git a/src/xa51/gen.c b/src/xa51/gen.c
index 3313b880..2eace679 100755
--- a/src/xa51/gen.c
+++ b/src/xa51/gen.c
@@ -124,6 +124,19 @@ static void emitcode (char *inst, char *fmt,...) {
   va_end (ap);
 }
 
+/*-----------------------------------------------------------------*/
+/* xa51_emitDebuggerSymbol - associate the current code location  */
+/*   with a debugger symbol                                        */
+/*-----------------------------------------------------------------*/
+void
+xa51_emitDebuggerSymbol (char * debugSym)
+{
+  _G.debugLine = 1;
+  emitcode ("", "%s ==.", debugSym);
+  _G.debugLine = 0;
+}
+
+
 char *getStackOffset(int stack) {
   static char gsoBuf[1024];
   sprintf (gsoBuf, "r7+(%d%+d%+d)", stack,
@@ -829,6 +842,8 @@ genEndFunction (iCode * ic)
 
   if (IFFUNC_ISNAKED(sym->type)) {
       emitcode(";", "naked function: no epilogue.");
+      if (options.debug && currFunc)
+	debugFile->writeEndFunction (currFunc, ic, 0);
       return;
   }
 
@@ -837,6 +852,10 @@ genEndFunction (iCode * ic)
     emitcode ("add", "r7,#%d\t; release stack space for locals", sym->stack);
   }
 
+  if (options.debug && currFunc) {
+    debugFile->writeEndFunction (currFunc, ic, 1);
+  }
+
   if (IFFUNC_ISISR(sym->type)) {
     emitcode ("reti", "");
   } else {
@@ -1188,7 +1207,7 @@ static iCode *hasInc (operand *op, iCode *ic, int osize) {
       }
     }
     /* if the operand used or deffed */
-    if (bitVectBitValue(OP_USES(op),lic->key) || (unsigned) lic->defKey == op->key) {
+    if (bitVectBitValue(OP_USES(op),lic->key) || lic->defKey == op->key) {
       return NULL;
     }
     /* if GOTO or IFX */
@@ -1889,38 +1908,39 @@ static void genReceive (iCode * ic) {
   printIc (0, "genReceive", ic, 1,0,0);
 }
 
+/*-----------------------------------------------------------------*/
+/* genDummyRead - generate code for dummy read of volatiles        */
+/*-----------------------------------------------------------------*/
+static void
+genDummyRead (iCode * ic)
+{
+  emitcode (";     genDummyRead","");
+
+  ic = ic;
+}
+
 /*-----------------------------------------------------------------*/
 /* gen51Code - generate code for 8051 based controllers            */
 /*-----------------------------------------------------------------*/
 void genXA51Code (iCode * lic) {
   iCode *ic;
   int cln = 0;
-  
+
   lineHead = lineCurr = NULL;
-  
+
   /* if debug information required */
   if (options.debug && currFunc)
     {
-      cdbSymbol (currFunc, cdbFile, FALSE, TRUE);
-      _G.debugLine = 1;
-      if (IS_STATIC (currFunc->etype))
-	emitcode ("", "F%s$%s$0$0 ==.", moduleName, currFunc->name);
-      else
-	emitcode ("", "G$%s$0$0 ==.", currFunc->name);
-      _G.debugLine = 0;
+      debugFile->writeFunction (currFunc, lic);
     }
-  
+
   for (ic = lic; ic; ic = ic->next) {
     if (ic->lineno && cln != ic->lineno) {
       if (options.debug) {
-	_G.debugLine = 1;
-	emitcode ("", "C$%s$%d$%d$%d ==.",
-		  FileBaseName (ic->filename), ic->lineno,
-		  ic->level, ic->block);
-	_G.debugLine = 0;
+	debugFile->writeCLine (ic);
       }
       if (!options.noCcodeInAsm) {
-	emitcode ("", ";\t%s:%d: %s", ic->filename, ic->lineno, 
+	emitcode ("", ";\t%s:%d: %s", ic->filename, ic->lineno,
 		  printCLine(ic->filename, ic->lineno));
       }
       cln = ic->lineno;
@@ -1928,25 +1948,25 @@ void genXA51Code (iCode * lic) {
     if (options.iCodeInAsm) {
       emitcode("", ";ic:%d: %s", ic->key, printILine(ic));
     }
-    
+
     /* if the result is marked as
        spilt and rematerializable or code for
        this has already been generated then
        do nothing */
     if (resultRemat (ic) || ic->generated)
       continue;
-    
+
     /* depending on the operation */
     switch (ic->op)
       {
       case '!':
 	genNot (ic);
 	break;
-	
+
       case '~':
 	genCpl (ic);
 	break;
-	
+
       case UNARYMINUS:
 	genUminus (ic);
 	break;
@@ -2072,7 +2092,7 @@ void genXA51Code (iCode * lic) {
       case RLC:
 	genRLC (ic);
 	break;
-	
+
       case GETHBIT:
 	genGetHbit (ic);
 	break;
@@ -2115,22 +2135,26 @@ void genXA51Code (iCode * lic) {
       case RECEIVE:
 	genReceive (ic);
 	break;
-	
+
       case SEND:
 	addSet (&_G.sendSet, ic);
 	break;
-	
+
+      case DUMMY_READ_VOLATILE:
+	genDummyRead (ic);
+	break;
+
       default:
 	ic = ic;
       }
   }
-  
-  
+
+
   /* now we are ready to call the
      peep hole optimizer */
   if (!options.nopeep)
     peepHole (&lineHead);
-  
+
   /* now do the actual printing */
   printLine (lineHead, codeOutFile);
   return;