hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/linux_ia64/LinuxIA64JavaThreadPDAccess.java
--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/linux_ia64/LinuxIA64JavaThreadPDAccess.java Thu Sep 27 11:24:19 2012 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,137 +0,0 @@
-/*
- * Copyright (c) 2003, 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.
- *
- */
-
-package sun.jvm.hotspot.runtime.linux_ia64;
-
-import java.io.*;
-import java.util.*;
-import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.debugger.ia64.*;
-import sun.jvm.hotspot.runtime.*;
-import sun.jvm.hotspot.runtime.ia64.*;
-import sun.jvm.hotspot.types.*;
-import sun.jvm.hotspot.utilities.*;
-
-public class LinuxIA64JavaThreadPDAccess implements JavaThreadPDAccess {
- // private static AddressField lastJavaPCField;
- // private static AddressField lastJavaFPField;
- private static AddressField lastJavaIFrameField;
- private static AddressField osThreadField;
-
- // Field from OSThread
- private static CIntegerField osThreadPThreadIDField;
-
- // This is currently unneeded but is being kept in case we change
- // the currentFrameGuess algorithm
- private static final long GUESS_SCAN_RANGE = 128 * 1024;
-
- static {
- VM.registerVMInitializedObserver(new Observer() {
- public void update(Observable o, Object data) {
- initialize(VM.getVM().getTypeDataBase());
- }
- });
- }
-
- private static synchronized void initialize(TypeDataBase db) {
- Type type = db.lookupType("JavaThread");
-
- lastJavaIFrameField = type.getAddressField("_last_Java_iframe");
- osThreadField = type.getAddressField("_osthread");
-
- type = db.lookupType("OSThread");
- osThreadPThreadIDField = type.getCIntegerField("_pthread_id");
- }
-
- public Address getLastJavaIFrame(Address addr) {
- return lastJavaIFrameField.getValue(addr);
- }
-
-
- public Address getBaseOfStackPointer(Address addr) {
- return null;
- }
-
- public Address getLastJavaFP(Address addr) {
- return null; // Not in 1.4.1
- }
-
- public Address getLastJavaPC(Address addr) {
- return null; // Not in 1.4.1
- }
-
- public boolean isInterpretedFrame() {
-
- // In 1.4.1 there are only interpreted frames
- // and there is no pc
- return true;
- }
-
- public Frame getLastFramePD(JavaThread thread, Address addr) {
- // The thread is the JavaThread that contains "this"
- // so we don't need any new accessor at the JavaThread level
- Address iframe = getLastJavaIFrame(addr);
- Address pc = thread.getLastJavaPC();
- if (iframe == null) {
- return null; // no information
- }
- return new IA64Frame(thread.getLastJavaSP(), iframe, pc);
- }
-
- public RegisterMap newRegisterMap(JavaThread thread, boolean updateMap) {
- return new IA64RegisterMap(thread, updateMap);
- }
-
- public Frame getCurrentFrameGuess(JavaThread thread, Address addr) {
- return getLastFramePD(thread, addr);
- }
-
- public void printThreadIDOn(Address addr, PrintStream tty) {
- tty.print(getThreadProxy(addr));
- }
-
- public void printInfoOn(Address threadAddr, PrintStream tty) {
- tty.print("Thread id: ");
- printThreadIDOn(threadAddr, tty);
- tty.println("\nLastJavaIFrame: " + getLastJavaIFrame(threadAddr));
- }
-
- public Address getLastSP(Address addr) {
- ThreadProxy t = getThreadProxy(addr);
- IA64ThreadContext context = (IA64ThreadContext) t.getContext();
- return context.getRegisterAsAddress(IA64ThreadContext.SP);
- }
-
- public ThreadProxy getThreadProxy(Address addr) {
- // Addr is the address of the JavaThread.
- // Fetch the OSThread (for now and for simplicity, not making a
- // separate "OSThread" class in this package)
- Address osThreadAddr = osThreadField.getValue(addr);
- // Get the address of the _pthread_id from the OSThread
- Address pthreadIdAddr = osThreadAddr.addOffsetTo(osThreadPThreadIDField.getOffset());
-
- JVMDebugger debugger = VM.getVM().getDebugger();
- return debugger.getThreadForIdentifierAddress(pthreadIdAddr);
- }
-}