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/*
* Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifdef CC_INTERP
// This file contains the platform-independent parts
// of the c++ interpreter
class CppInterpreter: public AbstractInterpreter {
friend class VMStructs;
friend class Interpreter; // contains()
friend class InterpreterGenerator; // result handlers
friend class CppInterpreterGenerator; // result handlers
public:
protected:
// tosca result -> stack result
static address _tosca_to_stack[number_of_result_handlers]; // converts tosca to C++ interpreter stack result
// stack result -> stack result
static address _stack_to_stack[number_of_result_handlers]; // pass result between C++ interpreter calls
// stack result -> native abi result
static address _stack_to_native_abi[number_of_result_handlers]; // converts C++ interpreter results to native abi
// this is to allow frame and only frame to use contains().
friend class frame;
public:
// Initialization/debugging
static void initialize();
// this only returns whether a pc is within generated code for the interpreter.
// This is a moderately dubious interface for the c++ interpreter. Only
// frame code and debug.cpp should be using it.
static bool contains(address pc);
public:
// No displatch table to switch so no need for these to do anything special
static void notice_safepoints() {}
static void ignore_safepoints() {}
static address native_result_to_tosca() { return (address)_native_abi_to_tosca; } // aka result handler
static address tosca_result_to_stack() { return (address)_tosca_to_stack; }
static address stack_result_to_stack() { return (address)_stack_to_stack; }
static address stack_result_to_native() { return (address)_stack_to_native_abi; }
static address native_result_to_tosca(int index) { return _native_abi_to_tosca[index]; } // aka result handler
static address tosca_result_to_stack(int index) { return _tosca_to_stack[index]; }
static address stack_result_to_stack(int index) { return _stack_to_stack[index]; }
static address stack_result_to_native(int index) { return _stack_to_native_abi[index]; }
static address return_entry (TosState state, int length);
static address deopt_entry (TosState state, int length);
#include "incls/_cppInterpreter_pd.hpp.incl"
};
#endif // CC_INTERP
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