Fix null pointer deref that caused build failures on Solaris

[fw/sdcc] / src / ds390 / gen.c

diff --git a/src/ds390/gen.c b/src/ds390/gen.c
index 9fb6cda6f9c52f2ab597dc02aed1e51aaead048b..d417b07fc9afe1de751f7ed6112b74f7b547de3f 100644 (file)
--- a/src/ds390/gen.c
+++ b/src/ds390/gen.c
@@ -2034,11 +2034,14 @@ saveRegisters (iCode * lic)
 
   /* if the registers have been saved already then
      do nothing */
-  if (ic->regsSaved || IFFUNC_ISNAKED(OP_SYM_TYPE(IC_LEFT(ic)))) return ;
+  if (ic->regsSaved || 
+      (IS_SYMOP(IC_LEFT(ic)) && IFFUNC_ISNAKED(OP_SYM_TYPE(IC_LEFT(ic)))))
+    return ;
 
   /* special case if DPTR alive across a function call then must save it 
      even though callee saves */
-  if (IFFUNC_CALLEESAVES(OP_SYMBOL (IC_LEFT (ic))->type)) {
+  if (IS_SYMOP(IC_LEFT(ic)) &&
+      IFFUNC_CALLEESAVES(OP_SYMBOL (IC_LEFT (ic))->type)) {
       int i;
       rsave = newBitVect(ic->rMask->size);
       for (i = DPL_IDX ; i <= B_IDX ; i++ ) {
@@ -3033,7 +3036,7 @@ genFunction (iCode * ic)
                     }
                }
            }
-           // jwk: this needs a closer look
+           // TODO: this needs a closer look
            SPEC_ISR_SAVED_BANKS(currFunc->etype) = banksToSave;
        }
     }
@@ -3256,7 +3259,6 @@ genEndFunction (iCode * ic)
             * Restore any register banks saved by genFunction
             * in reverse order.
             */
-         // jwk: this needs a closer look
            unsigned savedBanks = SPEC_ISR_SAVED_BANKS(currFunc->etype);
            int ix;
          
@@ -5386,7 +5388,7 @@ genCmp (operand * left, operand * right,
       AOP_TYPE (right) == AOP_CRY)
     {
       emitcode ("mov", "c,%s", AOP (right)->aopu.aop_dir);
-      emitcode ("anl", "c,/%s", AOP (left)->aopu.aop_dir);
+      emitcode ("anl", "c,%s", AOP (left)->aopu.aop_dir);
     }
   else
     {
@@ -12695,13 +12697,13 @@ gen390Code (iCode * lic)
   }
 #if 1
   /* print the allocation information */
-  if (allocInfo)
+  if (allocInfo && currFunc)
     printAllocInfo (currFunc, codeOutFile);
 #endif
   /* if debug information required */
   if (options.debug && currFunc)
     {
-      cdbSymbol (currFunc, cdbFile, FALSE, TRUE);
+      debugFile->writeFunction(currFunc);
       _G.debugLine = 1;
       if (IS_STATIC (currFunc->etype))
        emitcode ("", "F%s$%s$0$0 ==.", moduleName, currFunc->name);