Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/ci/ciMethodData.java @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author | coleenp |
---|---|
date | Sat, 01 Sep 2012 13:25:18 -0400 |
parents | f6f3bb0ee072 |
children | bd7a7ce2e264 |
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--- a/agent/src/share/classes/sun/jvm/hotspot/ci/ciMethodData.java Fri Aug 31 16:39:35 2012 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/ci/ciMethodData.java Sat Sep 01 13:25:18 2012 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2012, 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 @@ -31,7 +31,7 @@ import sun.jvm.hotspot.oops.*; import sun.jvm.hotspot.types.*; -public class ciMethodData extends ciObject { +public class ciMethodData extends ciMetadata { static { VM.registerVMInitializedObserver(new Observer() { public void update(Observable o, Object data) { @@ -54,7 +54,7 @@ extraDataSizeField = new CIntField(type.getCIntegerField("_extra_data_size"), 0); dataSizeField = new CIntField(type.getCIntegerField("_data_size"), 0); stateField = new CIntField(type.getCIntegerField("_state"), 0); - sizeofMethodDataOopDesc = (int)db.lookupType("methodDataOopDesc").getSize();; + sizeofMethodDataOopDesc = (int)db.lookupType("MethodData").getSize();; } private static AddressField origField; @@ -83,7 +83,7 @@ } public byte[] orig() { - // fetch the orig methodDataOopDesc data between header and dataSize + // fetch the orig MethodData data between header and dataSize Address base = getAddress().addOffsetTo(origField.getOffset()); byte[] result = new byte[MethodData.sizeofMethodDataOopDesc]; for (int i = 0; i < MethodData.sizeofMethodDataOopDesc; i++) {