--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/Runtime/src/com/sun/hotspot/c1x/HotSpotField.java	Fri Apr 22 15:08:53 2011 +0200
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2010 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.cri.ci.CiConstant;
+import com.sun.cri.ci.CiKind;
+import com.sun.cri.ri.RiField;
+import com.sun.cri.ri.RiType;
+
+/**
+ * Represents a field in a HotSpot type.
+ *
+ * @author Thomas Wuerthinger, Lukas Stadler
+ */
+public class HotSpotField extends CompilerObject implements RiField {
+
+    private final RiType holder;
+    private final String name;
+    private final RiType type;
+    private final int offset;
+    private CiConstant constant;
+
+    public HotSpotField(Compiler compiler, RiType holder, String name, RiType type, int offset) {
+        super(compiler);
+        this.holder = holder;
+        this.name = name;
+        this.type = type;
+        this.offset = offset;
+    }
+
+    @Override
+    public int accessFlags() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public CiConstant constantValue(CiConstant receiver) {
+        if (receiver == null) {
+            if (constant == null && holder.isResolved() && holder.isSubtypeOf(compiler.getVMEntries().getType(C1XOptions.class))) {
+                Field f;
+                try {
+                    f = C1XOptions.class.getField(name);
+                } catch (SecurityException e1) {
+                    return null;
+                } catch (NoSuchFieldException e1) {
+                    return null;
+                }
+                f.setAccessible(true);
+                if (Modifier.isStatic(f.getModifiers())) {
+                    CiKind kind = CiKind.fromJavaClass(f.getType());
+                    Object value;
+                    try {
+                        value = f.get(null);
+                    } catch (IllegalArgumentException e) {
+                        return null;
+                    } catch (IllegalAccessException e) {
+                        return null;
+                    }
+                    constant = CiConstant.forBoxed(kind, value);
+                }
+            }
+
+            // Constant part only valid for static fields.
+            return constant;
+        }
+        return null;
+    }
+
+    @Override
+    public RiType holder() {
+        return holder;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj instanceof HotSpotField) {
+            HotSpotField other = (HotSpotField) obj;
+            return other.offset == offset && other.holder.equals(holder());
+        }
+        return false;
+    }
+
+    @Override
+    public boolean isResolved() {
+        return offset != -1;
+    }
+
+    @Override
+    public CiKind kind() {
+        return type().kind();
+    }
+
+    @Override
+    public String name() {
+        return name;
+    }
+
+    @Override
+    public RiType type() {
+        return type;
+    }
+
+    public int offset() {
+        return offset;
+    }
+
+    @Override
+    public String toString() {
+        return "HotSpotField<" + holder.name() + "." + name + ">";
+    }
+
+}