--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/Runtime/src/com/sun/hotspot/c1x/HotSpotOptions.java	Fri Apr 22 15:08:53 2011 +0200
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2011 Sun Microsystems, Inc.  All rights reserved.
+ *
+ * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation, these intellectual property
+ * rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
+ * more additional patents or pending patent applications in the U.S. and in other countries.
+ *
+ * U.S. Government Rights - Commercial software. Government users are subject to the Sun
+ * Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
+ * supplements.
+ *
+ * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
+ * registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
+ * are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
+ * U.S. and other countries.
+ *
+ * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
+ * Company, Ltd.
+ */
+
+package com.sun.hotspot.c1x;
+
+import java.lang.reflect.*;
+
+import com.sun.c1x.*;
+import com.sun.hotspot.c1x.logging.*;
+
+public class HotSpotOptions {
+
+    public static void setDefaultOptions() {
+        C1XOptions.setOptimizationLevel(3);
+        C1XOptions.OptInlineExcept = false;
+        C1XOptions.OptInlineSynchronized = false;
+        C1XOptions.DetailedAsserts = false;
+        C1XOptions.CommentedAssembly = false;
+        C1XOptions.MethodEndBreakpointGuards = 2;
+    }
+
+    public static boolean setOption(String option) {
+        if (option.length() == 0) {
+            return false;
+        }
+
+        Object value = null;
+        String fieldName = null;
+        String valueString = null;
+
+        System.out.println(option);
+
+        char first = option.charAt(0);
+        if (first == '+' || first == '-') {
+            fieldName = option.substring(1);
+            value = (first == '+');
+        } else {
+            int index = option.indexOf('=');
+            if (index == -1) {
+                return false;
+            }
+            fieldName = option.substring(0, index);
+            valueString = option.substring(index + 1);
+        }
+
+        Field f;
+        try {
+            f = C1XOptions.class.getField(fieldName);
+
+            if (value == null) {
+                if (f.getType() == Float.TYPE) {
+                    value = Float.parseFloat(valueString);
+                } else if (f.getType() == Double.TYPE) {
+                    value = Double.parseDouble(valueString);
+                } else if (f.getType() == Integer.TYPE) {
+                    value = Integer.parseInt(valueString);
+                } else if (f.getType() == Boolean.TYPE) {
+                    value = Boolean.parseBoolean(valueString);
+                } else if (f.getType() == String.class) {
+                    value = valueString;
+                }
+            }
+            if (value != null) {
+                f.set(null, value);
+                Logger.info("Set option " + fieldName + " to " + value);
+            } else {
+                Logger.info("Wrong value \"" + valueString + "\" for option " + fieldName);
+                return false;
+            }
+        } catch (SecurityException e) {
+            Logger.info("Security exception when setting option " + option);
+            return false;
+        } catch (NoSuchFieldException e) {
+            Logger.info("Could not find option " + fieldName);
+            return false;
+        } catch (IllegalArgumentException e) {
+            Logger.info("Illegal value for option " + option);
+            return false;
+        } catch (IllegalAccessException e) {
+            Logger.info("Illegal access exception when setting option " + option);
+            return false;
+        }
+
+        return true;
+    }
+}