--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.aot/share/classes/jdk.tools.jaotc/src/jdk/tools/jaotc/MarkId.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2016, 2017, 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.tools.jaotc;
+
+import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
+
+/**
+ * Constants used to mark special positions in code being installed into the code cache by Graal C++
+ * code.
+ */
+enum MarkId {
+    VERIFIED_ENTRY("CodeInstaller::VERIFIED_ENTRY"),
+    UNVERIFIED_ENTRY("CodeInstaller::UNVERIFIED_ENTRY"),
+    OSR_ENTRY("CodeInstaller::OSR_ENTRY"),
+    EXCEPTION_HANDLER_ENTRY("CodeInstaller::EXCEPTION_HANDLER_ENTRY"),
+    DEOPT_HANDLER_ENTRY("CodeInstaller::DEOPT_HANDLER_ENTRY"),
+    INVOKEINTERFACE("CodeInstaller::INVOKEINTERFACE"),
+    INVOKEVIRTUAL("CodeInstaller::INVOKEVIRTUAL"),
+    INVOKESTATIC("CodeInstaller::INVOKESTATIC"),
+    INVOKESPECIAL("CodeInstaller::INVOKESPECIAL"),
+    INLINE_INVOKE("CodeInstaller::INLINE_INVOKE"),
+    POLL_NEAR("CodeInstaller::POLL_NEAR"),
+    POLL_RETURN_NEAR("CodeInstaller::POLL_RETURN_NEAR"),
+    POLL_FAR("CodeInstaller::POLL_FAR"),
+    POLL_RETURN_FAR("CodeInstaller::POLL_RETURN_FAR"),
+    CARD_TABLE_ADDRESS("CodeInstaller::CARD_TABLE_ADDRESS"),
+    HEAP_TOP_ADDRESS("CodeInstaller::HEAP_TOP_ADDRESS"),
+    HEAP_END_ADDRESS("CodeInstaller::HEAP_END_ADDRESS"),
+    NARROW_KLASS_BASE_ADDRESS("CodeInstaller::NARROW_KLASS_BASE_ADDRESS"),
+    NARROW_OOP_BASE_ADDRESS("CodeInstaller::NARROW_OOP_BASE_ADDRESS"),
+    CRC_TABLE_ADDRESS("CodeInstaller::CRC_TABLE_ADDRESS"),
+    LOG_OF_HEAP_REGION_GRAIN_BYTES("CodeInstaller::LOG_OF_HEAP_REGION_GRAIN_BYTES"),
+    INLINE_CONTIGUOUS_ALLOCATION_SUPPORTED("CodeInstaller::INLINE_CONTIGUOUS_ALLOCATION_SUPPORTED");
+
+    private final int value;
+
+    private MarkId(String name) {
+        this.value = (int) (long) HotSpotJVMCIRuntime.runtime().getConfigStore().getConstants().get(name);
+    }
+
+    static MarkId getEnum(int value) {
+        for (MarkId e : values()) {
+            if (e.value == value) {
+                return e;
+            }
+        }
+        throw new InternalError("Unknown enum value: " + value);
+    }
+}