--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotJVMCIRuntimeProvider.java	2017-02-15 16:55:48.827293610 -0800
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2015, 2016, 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 jdk.vm.ci.hotspot;
+
+import java.io.OutputStream;
+
+import jdk.internal.misc.Unsafe;
+import jdk.vm.ci.common.JVMCIError;
+import jdk.vm.ci.meta.JavaKind;
+import jdk.vm.ci.meta.JavaType;
+import jdk.vm.ci.meta.ResolvedJavaType;
+import jdk.vm.ci.runtime.JVMCIRuntime;
+
+/**
+ * Configuration information for the HotSpot JVMCI runtime.
+ */
+public interface HotSpotJVMCIRuntimeProvider extends JVMCIRuntime {
+
+    HotSpotVMConfigStore getConfigStore();
+
+    HotSpotVMConfig getConfig();
+
+    CompilerToVM getCompilerToVM();
+
+    /**
+     * Gets an output stream that writes to the HotSpot's {@code tty} stream.
+     */
+    OutputStream getLogStream();
+
+    /**
+     * Converts a name to a Java type. This method attempts to resolve {@code name} to a
+     * {@link ResolvedJavaType}.
+     *
+     * @param name a well formed Java type in {@linkplain JavaType#getName() internal} format
+     * @param accessingType the context of resolution which must be non-null
+     * @param resolve specifies whether resolution failure results in an unresolved type being
+     *            return or a {@link LinkageError} being thrown
+     * @return a Java type for {@code name} which is guaranteed to be of type
+     *         {@link ResolvedJavaType} if {@code resolve == true}
+     * @throws LinkageError if {@code resolve == true} and the resolution failed
+     * @throws NullPointerException if {@code accessingClass} is {@code null}
+     */
+    JavaType lookupType(String name, HotSpotResolvedObjectType accessingType, boolean resolve);
+
+    /**
+     * Gets the JVMCI mirror for a {@link Class} object.
+     *
+     * @return the {@link ResolvedJavaType} corresponding to {@code javaClass}
+     */
+    ResolvedJavaType fromClass(Class<?> clazz);
+
+    /**
+     * The offset from the origin of an array to the first element.
+     *
+     * @return the offset in bytes
+     */
+    static int getArrayBaseOffset(JavaKind kind) {
+        switch (kind) {
+            case Boolean:
+                return Unsafe.ARRAY_BOOLEAN_BASE_OFFSET;
+            case Byte:
+                return Unsafe.ARRAY_BYTE_BASE_OFFSET;
+            case Char:
+                return Unsafe.ARRAY_CHAR_BASE_OFFSET;
+            case Short:
+                return Unsafe.ARRAY_SHORT_BASE_OFFSET;
+            case Int:
+                return Unsafe.ARRAY_INT_BASE_OFFSET;
+            case Long:
+                return Unsafe.ARRAY_LONG_BASE_OFFSET;
+            case Float:
+                return Unsafe.ARRAY_FLOAT_BASE_OFFSET;
+            case Double:
+                return Unsafe.ARRAY_DOUBLE_BASE_OFFSET;
+            case Object:
+                return Unsafe.ARRAY_OBJECT_BASE_OFFSET;
+            default:
+                throw new JVMCIError("%s", kind);
+        }
+    }
+
+    /**
+     * The scale used for the index when accessing elements of an array of this kind.
+     *
+     * @return the scale in order to convert the index into a byte offset
+     */
+    static int getArrayIndexScale(JavaKind kind) {
+        switch (kind) {
+            case Boolean:
+                return Unsafe.ARRAY_BOOLEAN_INDEX_SCALE;
+            case Byte:
+                return Unsafe.ARRAY_BYTE_INDEX_SCALE;
+            case Char:
+                return Unsafe.ARRAY_CHAR_INDEX_SCALE;
+            case Short:
+                return Unsafe.ARRAY_SHORT_INDEX_SCALE;
+            case Int:
+                return Unsafe.ARRAY_INT_INDEX_SCALE;
+            case Long:
+                return Unsafe.ARRAY_LONG_INDEX_SCALE;
+            case Float:
+                return Unsafe.ARRAY_FLOAT_INDEX_SCALE;
+            case Double:
+                return Unsafe.ARRAY_DOUBLE_INDEX_SCALE;
+            case Object:
+                return Unsafe.ARRAY_OBJECT_INDEX_SCALE;
+            default:
+                throw new JVMCIError("%s", kind);
+        }
+    }
+}