Mercurial > hg > truffle
diff src/share/vm/oops/oopsHierarchy.hpp @ 12056:740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops
8005933: The -Xshare:auto option is ignored for -server
Summary: Move klass metaspace above the heap and support CDS with compressed klass ptrs.
Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank
| author | hseigel |
|---|---|
| date | Thu, 15 Aug 2013 20:04:10 -0400 |
| parents | d8ce2825b193 |
| children | 190899198332 |
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--- a/src/share/vm/oops/oopsHierarchy.hpp Wed Aug 14 15:12:00 2013 -0700 +++ b/src/share/vm/oops/oopsHierarchy.hpp Thu Aug 15 20:04:10 2013 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2013, 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 @@ -33,6 +33,10 @@ // of B, A's representation is a prefix of B's representation. typedef juint narrowOop; // Offset instead of address for an oop within a java object + +// If compressed klass pointers then use narrowKlass. +typedef juint narrowKlass; + typedef void* OopOrNarrowOopStar; typedef class markOopDesc* markOop;