--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotCompiledRuntimeStub.java	Mon May 13 21:59:17 2013 +0200
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.graal.hotspot;
+
+import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*;
+
+import com.oracle.graal.api.code.*;
+import com.oracle.graal.api.code.CompilationResult.Call;
+import com.oracle.graal.api.code.CompilationResult.DataPatch;
+import com.oracle.graal.api.code.CompilationResult.Infopoint;
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.hotspot.stubs.*;
+
+/**
+ * {@link HotSpotCompiledCode} destined for installation as a RuntimeStub.
+ */
+public final class HotSpotCompiledRuntimeStub extends HotSpotCompiledCode {
+
+    private static final long serialVersionUID = -4506206868419153274L;
+
+    public final String stubName;
+
+    public HotSpotCompiledRuntimeStub(Stub stub, CompilationResult compResult) {
+        super(compResult);
+        assert checkStubInvariants(compResult);
+        this.stubName = stub.toString();
+    }
+
+    /**
+     * Checks the conditions a compilation must satisfy to be installed as a RuntimeStub.
+     */
+    private boolean checkStubInvariants(CompilationResult compResult) {
+        assert compResult.getExceptionHandlers().isEmpty();
+        for (DataPatch data : compResult.getDataReferences()) {
+            Constant constant = data.constant;
+            assert constant.getKind() != Kind.Object : this + " cannot have embedded object constant: " + constant;
+            assert constant.getPrimitiveAnnotation() == null : this + " cannot have embedded metadata: " + constant;
+        }
+        for (Infopoint infopoint : compResult.getInfopoints()) {
+            assert infopoint instanceof Call : this + " cannot have non-call infopoint: " + infopoint;
+            Call call = (Call) infopoint;
+            assert call.target instanceof HotSpotRuntimeCallTarget : this + " cannot have non runtime call: " + call.target;
+            HotSpotRuntimeCallTarget callTarget = (HotSpotRuntimeCallTarget) call.target;
+            assert callTarget.getAddress() == graalRuntime().getConfig().uncommonTrapStub || callTarget.isCRuntimeCall() : this + "must only call C runtime or deoptimization stub, not " + call.target;
+        }
+        return true;
+    }
+}