[Mspsim-commit] SF.net SVN: mspsim:[513] mspsim/se/sics/mspsim/util/SimpleProfiler.java

[<jo...@us...>]

Revision: 513
          http://mspsim.svn.sourceforge.net/mspsim/?rev=513&view=rev
Author:   joxe
Date:     2009-04-23 15:28:15 +0000 (Thu, 23 Apr 2009)

Log Message:
-----------
added check on negative profiler stack pointer

Modified Paths:
--------------
    mspsim/se/sics/mspsim/util/SimpleProfiler.java

Modified: mspsim/se/sics/mspsim/util/SimpleProfiler.java
===================================================================
--- mspsim/se/sics/mspsim/util/SimpleProfiler.java	2009-04-20 16:15:46 UTC (rev 512)
+++ mspsim/se/sics/mspsim/util/SimpleProfiler.java	2009-04-23 15:28:15 UTC (rev 513)
@@ -129,6 +129,11 @@
   }
 
   public void profileReturn(long cycles) {
+    if (cSP <= 0) {
+      /* the stack pointer might have been messed with? */
+      logger.println("SimpleProfiler: Too many returns?");
+      return;
+    }
     CallEntry cspEntry = callStack[--cSP];
     MapEntry fkn = cspEntry.function;
 //     System.out.println("Profiler: return / call stack: " + cSP + ", " + fkn);


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.