author | stefank |
Tue, 23 Nov 2010 13:22:55 -0800 | |
changeset 7397 | 5b173b4ca846 |
parent 5547 | f4b087cbb361 |
child 8725 | 8c1e3dd5fe1b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef SHARE_VM_OOPS_KLASSOOP_HPP |
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#define SHARE_VM_OOPS_KLASSOOP_HPP |
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#include "oops/oop.hpp" |
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// A klassOop is the C++ equivalent of a Java class. |
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// Part of a klassOopDesc is a Klass which handle the |
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// dispatching for the C++ method calls. |
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// klassOop object layout: |
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// [header ] |
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// [klass_field] |
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// [KLASS ] |
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class klassOopDesc : public oopDesc { |
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public: |
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// size operation |
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static int header_size() { return sizeof(klassOopDesc)/HeapWordSize; } |
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// support for code generation |
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static int klass_part_offset_in_bytes() { return sizeof(klassOopDesc); } |
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// returns the Klass part containing dispatching behavior |
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Klass* klass_part() { return (Klass*)((address)this + klass_part_offset_in_bytes()); } |
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}; |
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#endif // SHARE_VM_OOPS_KLASSOOP_HPP |