--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/VMExits.java	Wed Jun 23 16:36:58 2010 +0200
@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 2009 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.CiCompiler;
+import com.sun.cri.ci.CiConstant;
+import com.sun.cri.ci.CiKind;
+import com.sun.cri.ci.CiResult;
+import com.sun.cri.ri.RiConstantPool;
+import com.sun.cri.ri.RiField;
+import com.sun.cri.ri.RiMethod;
+import com.sun.cri.ri.RiSignature;
+import com.sun.cri.ri.RiType;
+
+/**
+ * 
+ * @author Thomas Wuerthinger
+ * 
+ * Exits from the HotSpot VM into Java code.
+ *
+ */
+public class VMExits {
+	
+	public static void compileMethod(RiMethod method, int entry_bci) {
+		
+		assert method instanceof RiMethod : "And YES, this assert is necessary and a potential life saver as this method is called from the VM ;-)";
+		
+		System.out.println("compileMethod in Java code called!!");
+		
+		CiCompiler compiler = Compiler.getCompiler();
+		CiResult result = compiler.compileMethod(method, null);
+		
+		System.out.println("Compilation result: ");
+		if (result.bailout() != null) {
+			System.out.println("Bailout:");
+			result.bailout().printStackTrace();
+		} else {
+			System.out.println(result.targetMethod());
+			VMEntries.installCode(((HotSpotMethod)method).methodOop, result.targetMethod().targetCode(), result.targetMethod().frameSize());
+		}
+	}
+	
+	public static RiMethod createRiMethod(Object methodOop) {
+		System.out.println("creating RiMethod object");
+		RiMethod m = new HotSpotMethod(methodOop);
+		System.out.println("returning " + m);
+		return m;
+	}
+	
+	public static RiSignature createRiSignature(Object symbolOop) {
+		System.out.println("Creating RiSignature object");
+		String name = VMEntries.RiSignature_symbolToString(symbolOop);
+		System.out.println("Signature name: " + name);
+		return new HotSpotSignature(name);
+	}
+	
+	public static RiField createRiField(RiType holder, Object nameSymbol, RiType type, int offset) {
+		System.out.println("creating RiField object");
+		return new HotSpotField(holder, nameSymbol, type, offset);
+	}
+	
+	public static RiType createRiType(Object klassOop) {
+		System.out.println("creating RiType object");
+		return new HotSpotType(klassOop);
+	}
+
+	public static RiType createRiTypePrimitive(int basicType) {
+		System.out.println("Creating primitive type with basicType " + basicType);
+		CiKind kind = null;
+		switch (basicType) {
+		case 4:
+			kind = CiKind.Boolean;
+			break;
+		case 5:
+			kind = CiKind.Char;
+			break;
+		case 6:
+			kind = CiKind.Float;
+			break;
+		case 7:
+			kind = CiKind.Double;
+			break;
+		case 8:
+			kind = CiKind.Byte;
+			break;
+		case 9:
+			kind = CiKind.Short;
+			break;
+		case 10:
+			kind = CiKind.Int;
+			break;
+		case 11:
+			kind = CiKind.Long;
+			break;
+		case 14:
+			kind = CiKind.Void;
+			break;
+		default:
+			throw new IllegalArgumentException("Unknown basic type: " + basicType);
+		}
+		System.out.println("Chosen kind: " + kind);
+		return new HotSpotTypePrimitive(kind);
+	}
+	
+	public static RiType createRiTypeUnresolved(Object symbolOop, Object accessingKlassOop) {
+		System.out.println("Creating unresolved RiType object");
+		String name = VMEntries.RiSignature_symbolToString(symbolOop);
+		System.out.println("Class name: " + name);
+		return new HotSpotTypeUnresolved(name);
+	}
+	
+	public static RiConstantPool createRiConstantPool(Object constantPoolOop) {
+		System.out.println("creating RiConstantPool object");
+		return new HotSpotConstantPool(constantPoolOop);
+	}
+	
+	public static CiConstant createCiConstantInt(int value) {
+		return CiConstant.forInt(value);
+	}
+
+	public static CiConstant createCiConstantLong(long value) {
+		return CiConstant.forLong(value);
+	}
+
+	public static CiConstant createCiConstantFloat(float value) {
+		return CiConstant.forFloat(value);
+	}
+	
+	public static CiConstant createCiConstantDouble(double value) {
+		return CiConstant.forDouble(value);
+	}
+
+	public static CiConstant createCiConstantObject(Object value) {
+		return CiConstant.forObject(value);
+	}
+	
+	public static void main(String[] args) throws InterruptedException {
+		System.out.println(C1XHotSpotTests.add(1, 2));
+		Thread.sleep(5000);
+		System.out.println(C1XHotSpotTests.add(1, 2));
+	}
+}