--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/VMField.java	Wed Jun 15 00:00:41 2016 +0200
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 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;
+
+/**
+ * Describes a C++ field exposed via {@link HotSpotVMConfigAccess}.
+ */
+public final class VMField {
+
+    /**
+     * Fully qualified name of the represented field (e.g., "Klass::_name").
+     */
+    public final String name;
+
+    /**
+     * The represented field's type (e.g., "Symbol*"). This may be {@code null}.
+     */
+    public final String type;
+
+    /**
+     * If represented field is non-static, this is its offset within the containing structure.
+     */
+    public final long offset;
+
+    /**
+     * If represented field is static, this is its address. Otherwise, this field is 0.
+     */
+    public final long address;
+
+    /**
+     * Value of the field represented as a boxed long; only valid for non-oop static fields. This
+     * value is only captured once, during JVMCI initialization. If {@link #type} cannot be
+     * meaningfully (e.g., a struct) or safely (e.g., an oop) expressed as a boxed long, this is
+     * {@code null}.
+     */
+    public final Long value;
+
+    /**
+     * Determines if the represented field is static.
+     */
+    public boolean isStatic() {
+        return address != 0;
+    }
+
+    /**
+     * Creates a description of a non-static field.
+     */
+    public VMField(String name, String type, long offset) {
+        this.name = name;
+        this.type = type;
+        this.offset = offset;
+        this.address = 0;
+        this.value = null;
+    }
+
+    /**
+     * Creates a description of a static field.
+     */
+    public VMField(String name, String type, long address, Long value) {
+        this.name = name;
+        this.type = type;
+        this.offset = 0;
+        this.address = address;
+        this.value = value;
+    }
+
+    @Override
+    public String toString() {
+        String val = value == null ? "null" : String.format("0x%x", value);
+        return String.format("Field[name=%s, type=%s, offset=%d, address=0x%x, value=%s]", name, type, offset, address, val);
+    }
+}