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comparison src/share/vm/code/codeBlob.hpp @ 6725:da91efe96a93

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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 1d7922586cf6
children b31471cdc53e
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1998, 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.
66 int _data_offset; // offset to where data region begins 66 int _data_offset; // offset to where data region begins
67 int _frame_size; // size of stack frame 67 int _frame_size; // size of stack frame
68 OopMapSet* _oop_maps; // OopMap for this CodeBlob 68 OopMapSet* _oop_maps; // OopMap for this CodeBlob
69 CodeComments _comments; 69 CodeComments _comments;
70 70
71 friend class OopRecorder;
72
73 public: 71 public:
74 // Returns the space needed for CodeBlob 72 // Returns the space needed for CodeBlob
75 static unsigned int allocation_size(CodeBuffer* cb, int header_size); 73 static unsigned int allocation_size(CodeBuffer* cb, int header_size);
76 74
77 // Creation 75 // Creation