hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/linux_ia64/LinuxIA64JavaThreadPDAccess.java
changeset 13905 12e9215f3daa
parent 13904 173d83d9c9d7
parent 13903 eebf638312d2
child 13907 52873e4bbeaa
--- 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);
-  }
-}