Mercurial > hg > graal-jvmci-8
comparison agent/src/share/classes/sun/jvm/hotspot/tools/jcore/ByteCodeRewriter.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 |
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date | Sat, 01 Sep 2012 13:25:18 -0400 |
parents | 0a8e0d4345b3 |
children | c7957b458bf8 |
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6724:36d1d483d5d6 | 6725:da91efe96a93 |
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1 /* | 1 /* |
2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | 4 * |
5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
71 } | 71 } |
72 if (cpCache == null) { | 72 if (cpCache == null) { |
73 return (short) cpCacheIndex; | 73 return (short) cpCacheIndex; |
74 } else if (fmt.indexOf("JJJJ") >= 0) { | 74 } else if (fmt.indexOf("JJJJ") >= 0) { |
75 // change byte-ordering and go via secondary cache entry | 75 // change byte-ordering and go via secondary cache entry |
76 return (short) cpCache.getMainEntryAt(bytes.swapInt(cpCacheIndex)).getConstantPoolIndex(); | 76 throw new InternalError("unimplemented"); |
77 } else if (fmt.indexOf("JJ") >= 0) { | 77 } else if (fmt.indexOf("JJ") >= 0) { |
78 // change byte-ordering and go via cache | 78 // change byte-ordering and go via cache |
79 return (short) cpCache.getEntryAt((int) (0xFFFF & bytes.swapShort((short)cpCacheIndex))).getConstantPoolIndex(); | 79 return (short) cpCache.getEntryAt((int) (0xFFFF & bytes.swapShort((short)cpCacheIndex))).getConstantPoolIndex(); |
80 } else if (fmt.indexOf("j") >= 0) { | 80 } else if (fmt.indexOf("j") >= 0) { |
81 // go via cache | 81 // go via cache |