84 lines
2.9 KiB
C++
84 lines
2.9 KiB
C++
/*
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* Copyright (c) 1997, 2016, 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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#include "precompiled.hpp"
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#include "interpreter/bytecodeInterpreter.hpp"
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#include "interpreter/cppInterpreterGenerator.hpp"
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#include "interpreter/interpreter.hpp"
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#include "interpreter/interpreterRuntime.hpp"
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#include "memory/resourceArea.hpp"
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#include "runtime/timerTrace.hpp"
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#ifdef CC_INTERP
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#ifdef ZERO
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# include "entry_zero.hpp"
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#else
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#error "Only Zero CppInterpreter is supported"
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#endif
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void CppInterpreter::initialize() {
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if (_code != NULL) return;
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AbstractInterpreter::initialize();
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// generate interpreter
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{ ResourceMark rm;
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TraceTime timer("Interpreter generation", TRACETIME_LOG(Info, startuptime));
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int code_size = InterpreterCodeSize;
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NOT_PRODUCT(code_size *= 4;) // debug uses extra interpreter code space
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_code = new StubQueue(new InterpreterCodeletInterface, code_size, NULL,
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"Interpreter");
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CppInterpreterGenerator g(_code);
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if (PrintInterpreter) print();
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}
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// Allow c++ interpreter to do one initialization now that switches are set, etc.
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BytecodeInterpreter start_msg(BytecodeInterpreter::initialize);
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if (JvmtiExport::can_post_interpreter_events())
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BytecodeInterpreter::runWithChecks(&start_msg);
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else
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BytecodeInterpreter::run(&start_msg);
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}
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void CppInterpreter::invoke_method(Method* method, address entry_point, TRAPS) {
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((ZeroEntry *) entry_point)->invoke(method, THREAD);
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}
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void CppInterpreter::invoke_osr(Method* method,
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address entry_point,
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address osr_buf,
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TRAPS) {
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((ZeroEntry *) entry_point)->invoke_osr(method, osr_buf, THREAD);
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}
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InterpreterCodelet* CppInterpreter::codelet_containing(address pc) {
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// FIXME: I'm pretty sure _code is null and this is never called, which is why it's copied.
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return (InterpreterCodelet*)_code->stub_containing(pc);
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}
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#endif // CC_INTERP
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