| /* |
| * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| */ |
| |
| package sun.jvm.hotspot.runtime.ia64; |
| |
| import java.util.*; |
| // import sun.jvm.hotspot.asm.ia64.*; |
| import sun.jvm.hotspot.code.*; |
| import sun.jvm.hotspot.compiler.*; |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.oops.*; |
| import sun.jvm.hotspot.runtime.*; |
| import sun.jvm.hotspot.types.*; |
| import sun.jvm.hotspot.utilities.*; |
| |
| /** Specialization of and implementation of abstract methods of the |
| Frame class for the ia64 family of CPUs. */ |
| |
| public class cInterpreter extends VMObject { |
| private static final boolean DEBUG = true; |
| |
| private static AddressField bcpField; |
| private static AddressField localsField; |
| private static AddressField constantsField; |
| private static AddressField methodField; |
| private static AddressField stackField; // i.e. tos |
| private static AddressField stackBaseField; // ultimate bottom of stack |
| private static AddressField stackLimitField; // ultimate top of stack |
| private static AddressField monitorBaseField; |
| private static CIntegerField messageField; |
| private static AddressField prevFieldField; |
| private static AddressField wrapperField; |
| private static AddressField prevField; |
| |
| private static int NO_REQUEST; |
| private static int INITIALIZE; |
| private static int METHOD_ENTRY; |
| private static int METHOD_RESUME; |
| private static int GOT_MONITORS; |
| private static int RETHROW_EXCEPTION; |
| private static int CALL_METHOD; |
| private static int RETURN_FROM_METHOD; |
| private static int RETRY_METHOD; |
| private static int MORE_MONITORS; |
| private static int THROWING_EXCEPTION; |
| private static int POPPING_FRAME; |
| |
| static { |
| VM.registerVMInitializedObserver(new Observer() { |
| public void update(Observable o, Object data) { |
| initialize(VM.getVM().getTypeDataBase()); |
| } |
| }); |
| } |
| |
| private static synchronized void initialize(TypeDataBase db) { |
| |
| Type cInterpreterType = db.lookupType("cInterpreter"); |
| bcpField = cInterpreterType.getAddressField("_bcp"); |
| localsField = cInterpreterType.getAddressField("_locals"); |
| constantsField = cInterpreterType.getAddressField("_constants"); |
| methodField = cInterpreterType.getAddressField("_method"); |
| stackField = cInterpreterType.getAddressField("_stack"); |
| stackBaseField = cInterpreterType.getAddressField("_stack_base"); |
| stackLimitField = cInterpreterType.getAddressField("_stack_limit"); |
| monitorBaseField = cInterpreterType.getAddressField("_monitor_base"); |
| // messageField = cInterpreterType.getCIntegerField("_msg"); |
| messageField = null; |
| wrapperField = cInterpreterType.getAddressField("_wrapper"); |
| prevField = cInterpreterType.getAddressField("_prev_link"); |
| |
| /* |
| NO_REQUEST = db.lookupIntConstant("no_request").intValue(); |
| INITIALIZE = db.lookupIntConstant("initialize").intValue(); |
| METHOD_ENTRY = db.lookupIntConstant("method_entry").intValue(); |
| METHOD_RESUME = db.lookupIntConstant("method_resume").intValue(); |
| GOT_MONITORS = db.lookupIntConstant("got_monitors").intValue(); |
| RETHROW_EXCEPTION = db.lookupIntConstant("rethrow_exception").intValue(); |
| CALL_METHOD = db.lookupIntConstant("call_method").intValue(); |
| RETURN_FROM_METHOD = db.lookupIntConstant("return_from_method").intValue(); |
| RETRY_METHOD = db.lookupIntConstant("retry_method").intValue(); |
| MORE_MONITORS = db.lookupIntConstant("more_monitors").intValue(); |
| THROWING_EXCEPTION = db.lookupIntConstant("throwing_exception").intValue(); |
| POPPING_FRAME = db.lookupIntConstant("popping_frame").intValue(); |
| */ |
| } |
| |
| |
| public cInterpreter(Address addr) { |
| super(addr); |
| } |
| |
| public Address prev() { |
| return prevField.getValue(addr); |
| } |
| |
| public Address locals() { |
| |
| Address val = localsField.getValue(addr); |
| return val; |
| } |
| |
| public Address localsAddr() { |
| |
| Address localsAddr = localsField.getValue(addr); |
| return localsAddr; |
| } |
| |
| public Address bcp() { |
| |
| Address val = bcpField.getValue(addr); |
| return val; |
| } |
| |
| public Address bcpAddr() { |
| |
| Address bcpAddr = addr.addOffsetTo(bcpField.getOffset()); |
| return bcpAddr; |
| } |
| |
| public Address constants() { |
| |
| Address val = constantsField.getValue(addr); |
| return val; |
| } |
| |
| public Address constantsAddr() { |
| |
| Address constantsAddr = constantsField.getValue(addr); |
| return constantsAddr; |
| } |
| |
| public Address method() { |
| |
| Address val = methodField.getValue(addr); |
| return val; |
| } |
| public Address methodAddr() { |
| |
| Address methodAddr = addr.addOffsetTo(methodField.getOffset()); |
| return methodAddr; |
| } |
| |
| public Address stack() { |
| |
| Address val = stackField.getValue(addr); |
| return val; |
| } |
| |
| public Address stackBase() { |
| |
| Address val = stackBaseField.getValue(addr); |
| return val; |
| } |
| |
| public Address stackLimit() { |
| |
| Address val = stackLimitField.getValue(addr); |
| return val; |
| } |
| |
| public Address monitorBase() { |
| |
| Address val = monitorBaseField.getValue(addr); |
| return val; |
| } |
| |
| public Address wrapper() { |
| |
| return wrapperField.getValue(addr); |
| } |
| |
| public int message() { |
| int val = (int) messageField.getValue(addr); |
| return val; |
| } |
| |
| } |