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comparison src/share/vm/code/vtableStubs.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 9758d9f36299
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 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.
121 static VtableStub* lookup (bool is_vtable_stub, int vtable_index); 121 static VtableStub* lookup (bool is_vtable_stub, int vtable_index);
122 static void enter (bool is_vtable_stub, int vtable_index, VtableStub* s); 122 static void enter (bool is_vtable_stub, int vtable_index, VtableStub* s);
123 static inline uint hash (bool is_vtable_stub, int vtable_index); 123 static inline uint hash (bool is_vtable_stub, int vtable_index);
124 124
125 public: 125 public:
126 static address create_stub(bool is_vtable_stub, int vtable_index, methodOop method); // return the entry point of a stub for this call 126 static address create_stub(bool is_vtable_stub, int vtable_index, Method* method); // return the entry point of a stub for this call
127 static bool is_entry_point(address pc); // is pc a vtable stub entry point? 127 static bool is_entry_point(address pc); // is pc a vtable stub entry point?
128 static bool contains(address pc); // is pc within any stub? 128 static bool contains(address pc); // is pc within any stub?
129 static VtableStub* stub_containing(address pc); // stub containing pc or NULL 129 static VtableStub* stub_containing(address pc); // stub containing pc or NULL
130 static int number_of_vtable_stubs() { return _number_of_vtable_stubs; } 130 static int number_of_vtable_stubs() { return _number_of_vtable_stubs; }
131 static void initialize(); 131 static void initialize();