84 lines
3.4 KiB
C++
84 lines
3.4 KiB
C++
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/*
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* Copyright 1997-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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#ifdef CC_INTERP
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// This file contains the platform-independant parts
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// of the c++ interpreter
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class CppInterpreter: public AbstractInterpreter {
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friend class VMStructs;
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friend class Interpreter; // contains()
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friend class InterpreterGenerator; // result handlers
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friend class CppInterpreterGenerator; // result handlers
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public:
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protected:
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// tosca result -> stack result
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static address _tosca_to_stack[number_of_result_handlers]; // converts tosca to C++ interpreter stack result
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// stack result -> stack result
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static address _stack_to_stack[number_of_result_handlers]; // pass result between C++ interpreter calls
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// stack result -> native abi result
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static address _stack_to_native_abi[number_of_result_handlers]; // converts C++ interpreter results to native abi
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// this is to allow frame and only frame to use contains().
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friend class frame;
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public:
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// Initialization/debugging
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static void initialize();
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// this only returns whether a pc is within generated code for the interpreter.
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// This is a moderately dubious interface for the c++ interpreter. Only
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// frame code and debug.cpp should be using it.
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static bool contains(address pc);
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public:
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// No displatch table to switch so no need for these to do anything special
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static void notice_safepoints() {}
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static void ignore_safepoints() {}
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static address native_result_to_tosca() { return (address)_native_abi_to_tosca; } // aka result handler
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static address tosca_result_to_stack() { return (address)_tosca_to_stack; }
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static address stack_result_to_stack() { return (address)_stack_to_stack; }
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static address stack_result_to_native() { return (address)_stack_to_native_abi; }
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static address native_result_to_tosca(int index) { return _native_abi_to_tosca[index]; } // aka result handler
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static address tosca_result_to_stack(int index) { return _tosca_to_stack[index]; }
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static address stack_result_to_stack(int index) { return _stack_to_stack[index]; }
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static address stack_result_to_native(int index) { return _stack_to_native_abi[index]; }
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static address return_entry (TosState state, int length);
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static address deopt_entry (TosState state, int length);
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#include "incls/_cppInterpreter_pd.hpp.incl"
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};
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#endif // CC_INTERP
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