Mercurial > hg > graal-jvmci-8
diff agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaScriptEngine.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 | c18cbe5936b8 |
children |
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--- a/agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaScriptEngine.java Fri Aug 31 16:39:35 2012 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaScriptEngine.java Sat Sep 01 13:25:18 2012 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2004, 2007, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2004, 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 @@ -149,9 +149,9 @@ // treat it as address VM vm = VM.getVM(); Address addr = vm.getDebugger().parseAddress(name); - Oop oop = vm.getObjectHeap().newOop(addr.addOffsetToAsOopHandle(0)); - if (oop instanceof InstanceKlass) { - ik = (InstanceKlass) oop; + Metadata metadata = Metadata.instantiateWrapperFor(addr.addOffsetTo(0)); + if (metadata instanceof InstanceKlass) { + ik = (InstanceKlass) metadata; } else { return Boolean.FALSE; } @@ -264,23 +264,28 @@ */ public Object mirror(Object[] args) { Object o = args[0]; - if (o != null && o instanceof JSJavaObject) { + Object res = UNDEFINED; + if (o != null) { + if (o instanceof JSJavaObject) { Oop oop = ((JSJavaObject)o).getOop(); - Object res = null; try { - if (oop instanceof InstanceKlass) { - res = getObjectReader().readClass((InstanceKlass) oop); - } else { res = getObjectReader().readObject(oop); + } catch (Exception e) { + if (debug) e.printStackTrace(getErrorStream()); + } + } else if (o instanceof JSMetadata) { + Metadata metadata = ((JSMetadata)o).getMetadata(); + try { + if (metadata instanceof InstanceKlass) { + res = getObjectReader().readClass((InstanceKlass) metadata); } } catch (Exception e) { if (debug) e.printStackTrace(getErrorStream()); } - return (res != null)? res : UNDEFINED; - } else { - return UNDEFINED; } } + return res; + } /** owner function gets owning thread of given JSJavaObjec, if any, else