--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/Runtime/src/com/sun/hotspot/c1x/HotSpotVMConfig.java	Fri Apr 22 15:08:53 2011 +0200
@@ -0,0 +1,122 @@
+/*
+ * 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 com.sun.cri.ci.*;
+
+/**
+ * Used to communicate configuration details, runtime offsets, etc. to c1x upon compileMethod.
+ *
+ * @author Lukas Stadler
+ */
+public final class HotSpotVMConfig extends CompilerObject {
+
+    private HotSpotVMConfig() {
+        super(null);
+    }
+
+    // os information, register layout, code generation, ...
+    public boolean windowsOs;
+    public int codeEntryAlignment;
+    public boolean verifyPointers;
+    public boolean useFastLocking;
+    public boolean useFastNewObjectArray;
+    public boolean useFastNewTypeArray;
+
+    // offsets, ...
+    public int vmPageSize;
+    public int stackShadowPages;
+    public int hubOffset;
+    public int arrayLengthOffset;
+    public int klassStateOffset;
+    public int klassStateFullyInitialized;
+    public int[] arrayOffsets;
+    public int arrayClassElementOffset;
+    public int threadTlabTopOffset;
+    public int threadTlabEndOffset;
+    public int threadObjectOffset;
+    public int instanceHeaderPrototypeOffset;
+    public int threadExceptionOopOffset;
+    public int threadExceptionPcOffset;
+    public int threadMultiNewArrayStorage;
+    public long cardtableStartAddress;
+    public int cardtableShift;
+    public long safepointPollingAddress;
+    public int classMirrorOffset;
+
+    // runtime stubs
+    public long debugStub;
+    public long instanceofStub;
+    public long newInstanceStub;
+    public long unresolvedNewInstanceStub;
+    public long newTypeArrayStub;
+    public long newObjectArrayStub;
+    public long newMultiArrayStub;
+    public long loadKlassStub;
+    public long accessFieldStub;
+    public long resolveStaticCallStub;
+    public long inlineCacheMissStub;
+    public long unwindExceptionStub;
+    public long handleExceptionStub;
+    public long handleDeoptStub;
+    public long throwClassCastException;
+    public long throwArrayStoreException;
+    public long throwArrayIndexException;
+    public long monitorEnterStub;
+    public long monitorExitStub;
+    public long fastMonitorEnterStub;
+    public long fastMonitorExitStub;
+    public long verifyPointerStub;
+
+    public void check() {
+        assert vmPageSize >= 16;
+        assert codeEntryAlignment > 0;
+        assert stackShadowPages > 0;
+    }
+
+    public int getArrayOffset(CiKind kind) {
+        return arrayOffsets[getKindNumber(kind)];
+    }
+
+    private int getKindNumber(CiKind kind) {
+        if (kind == CiKind.Boolean) {
+            return 0;
+        } else if (kind == CiKind.Byte) {
+            return 1;
+        } else if (kind == CiKind.Short) {
+            return 2;
+        } else if (kind == CiKind.Char) {
+            return 3;
+        } else if (kind == CiKind.Int) {
+            return 4;
+        } else if (kind == CiKind.Float) {
+            return 5;
+        } else if (kind == CiKind.Long) {
+            return 6;
+        } else if (kind == CiKind.Double) {
+            return 7;
+        } else if (kind == CiKind.Object) {
+            return 8;
+        } else {
+            throw new RuntimeException(kind + " is not a Java kind");
+        }
+    }
+}