duke@435: /*
duke@435:  * Copyright 1997-2007 Sun Microsystems, Inc.  All Rights Reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
duke@435:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435:  * have any questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: #ifdef CC_INTERP
duke@435: 
duke@435: // This file contains the platform-independant parts
duke@435: // of the c++ interpreter
duke@435: 
duke@435: class CppInterpreter: public AbstractInterpreter {
duke@435:   friend class VMStructs;
duke@435:   friend class Interpreter; // contains()
duke@435:   friend class InterpreterGenerator; // result handlers
duke@435:   friend class CppInterpreterGenerator; // result handlers
duke@435:  public:
duke@435: 
duke@435: 
duke@435:  protected:
duke@435: 
duke@435:   // tosca result -> stack result
duke@435:   static address    _tosca_to_stack[number_of_result_handlers];  // converts tosca to C++ interpreter stack result
duke@435:   // stack result -> stack result
duke@435:   static address    _stack_to_stack[number_of_result_handlers];  // pass result between C++ interpreter calls
duke@435:   // stack result -> native abi result
duke@435:   static address    _stack_to_native_abi[number_of_result_handlers];  // converts C++ interpreter results to native abi
duke@435: 
duke@435:   // this is to allow frame and only frame to use contains().
duke@435:   friend class      frame;
duke@435: 
duke@435:  public:
duke@435:   // Initialization/debugging
duke@435:   static void       initialize();
duke@435:   // this only returns whether a pc is within generated code for the interpreter.
duke@435: 
duke@435:   // This is a moderately dubious interface for the c++ interpreter. Only
duke@435:   // frame code and debug.cpp should be using it.
duke@435:   static bool       contains(address pc);
duke@435: 
duke@435:  public:
duke@435: 
duke@435: 
duke@435:   // No displatch table to switch so no need for these to do anything special
duke@435:   static void notice_safepoints() {}
duke@435:   static void ignore_safepoints() {}
duke@435: 
duke@435:   static address    native_result_to_tosca()                    { return (address)_native_abi_to_tosca; } // aka result handler
duke@435:   static address    tosca_result_to_stack()                     { return (address)_tosca_to_stack; }
duke@435:   static address    stack_result_to_stack()                     { return (address)_stack_to_stack; }
duke@435:   static address    stack_result_to_native()                    { return (address)_stack_to_native_abi; }
duke@435: 
duke@435:   static address    native_result_to_tosca(int index)           { return _native_abi_to_tosca[index]; } // aka result handler
duke@435:   static address    tosca_result_to_stack(int index)            { return _tosca_to_stack[index]; }
duke@435:   static address    stack_result_to_stack(int index)            { return _stack_to_stack[index]; }
duke@435:   static address    stack_result_to_native(int index)           { return _stack_to_native_abi[index]; }
duke@435: 
duke@435:   static address    return_entry  (TosState state, int length);
duke@435:   static address    deopt_entry   (TosState state, int length);
duke@435: 
duke@435: #include "incls/_cppInterpreter_pd.hpp.incl"
duke@435: 
duke@435: };
duke@435: 
duke@435: #endif // CC_INTERP