src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/memory/FileMapInfo.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2019, 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.

@@ -68,11 +68,11 @@
     Address spaceValue = headerValue.addOffsetTo(type.getField("_space[0]").getOffset());
     mdSpaceValue = spaceValue.addOffsetTo(3 * spaceField.getSize());
 
     // SpaceInfo
     type = db.lookupType("CDSFileMapRegion");
-    long mdRegionBaseAddressOffset = type.getField("_addr._base").getOffset();
+    long mdRegionBaseAddressOffset = type.getField("_mapped_base").getOffset();
     mdRegionBaseAddress = (mdSpaceValue.addOffsetTo(mdRegionBaseAddressOffset)).getAddressAt(0);
     long mdRegionSizeOffset = type.getField("_used").getOffset();
     long mdRegionSize = (mdSpaceValue.addOffsetTo(mdRegionSizeOffset)).getAddressAt(0).asLongValue();
     mdRegionEndAddress = mdRegionBaseAddress.addOffsetTo(mdRegionSize);