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83 lines
2.6 KiB
C++
83 lines
2.6 KiB
C++
/*
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* Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
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* Copyright 2008, 2010 Red Hat, Inc.
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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 CPU_ZERO_VM_INTERPRETERFRAME_ZERO_HPP
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#define CPU_ZERO_VM_INTERPRETERFRAME_ZERO_HPP
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#include "interpreter/bytecodeInterpreter.hpp"
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#include "oops/method.hpp"
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#include "runtime/thread.hpp"
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#include "stack_zero.hpp"
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#ifdef CC_INTERP
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// | ... |
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// +--------------------+ ------------------
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// | stack slot n-1 | low addresses
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// | ... |
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// | stack slot 0 |
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// | monitor 0 (maybe) |
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// | ... |
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// | interpreter state |
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// | ... |
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// | frame_type |
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// | next_frame | high addresses
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// +--------------------+ ------------------
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// | ... |
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class InterpreterFrame : public ZeroFrame {
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friend class AbstractInterpreter;
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private:
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InterpreterFrame() : ZeroFrame() {
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ShouldNotCallThis();
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}
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protected:
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enum Layout {
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istate_off = jf_header_words +
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(align_up_(sizeof(BytecodeInterpreter),
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wordSize) >> LogBytesPerWord) - 1,
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header_words
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};
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public:
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static InterpreterFrame *build(Method* const method, TRAPS);
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static InterpreterFrame *build(int size, TRAPS);
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public:
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interpreterState interpreter_state() const {
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return (interpreterState) addr_of_word(istate_off);
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}
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public:
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void identify_word(int frame_index,
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int offset,
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char* fieldbuf,
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char* valuebuf,
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int buflen) const;
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};
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#endif // CC_INTERP
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#endif // CPU_ZERO_VM_INTERPRETERFRAME_ZERO_HPP
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