1 /*
   2  * Copyright 2002-2009 Sun Microsystems, Inc.  All Rights Reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  *
  23  */
  24 
  25 package sun.jvm.hotspot.debugger.remote;
  26 
  27 import java.rmi.*;
  28 import java.rmi.server.*;
  29 
  30 import sun.jvm.hotspot.debugger.*;
  31 
  32 /** The implementation of the RemoteDebugger interface. This
  33     delegates to a local debugger */
  34 
  35 public class RemoteDebuggerServer extends UnicastRemoteObject
  36   implements RemoteDebugger {
  37 
  38   private transient Debugger debugger;
  39 
  40   /** This is the required no-arg constructor */
  41   public RemoteDebuggerServer() throws RemoteException {
  42     super();
  43   }
  44 
  45   /** This is the constructor used on the machine where the debuggee
  46       process lies */
  47   public RemoteDebuggerServer(Debugger debugger) throws RemoteException {
  48     super();
  49     this.debugger = debugger;
  50   }
  51 
  52   public String getOS() throws RemoteException {
  53     return debugger.getOS();
  54   }
  55 
  56   public String getCPU() throws RemoteException {
  57     return debugger.getCPU();
  58   }
  59 
  60   public MachineDescription getMachineDescription() throws RemoteException {
  61     return debugger.getMachineDescription();
  62   }
  63 
  64   public long lookupInProcess(String objectName, String symbol) throws RemoteException {
  65     Address addr = debugger.lookup(objectName, symbol);
  66     return addr == null? 0L : debugger.getAddressValue(addr);
  67   }
  68 
  69   public ReadResult readBytesFromProcess(long address, long numBytes) throws RemoteException {
  70     return debugger.readBytesFromProcess(address, numBytes);
  71   }
  72 
  73   public boolean hasConsole() throws RemoteException {
  74     return debugger.hasConsole();
  75   }
  76 
  77   public String getConsolePrompt() throws RemoteException {
  78     return debugger.getConsolePrompt();
  79   }
  80 
  81   public String consoleExecuteCommand(String cmd) throws RemoteException {
  82     return debugger.consoleExecuteCommand(cmd);
  83   }
  84 
  85   public long getJBooleanSize() throws RemoteException {
  86     return debugger.getJBooleanSize();
  87   }
  88 
  89   public long getJByteSize() throws RemoteException {
  90     return debugger.getJByteSize();
  91   }
  92 
  93   public long getJCharSize() throws RemoteException {
  94     return debugger.getJCharSize();
  95   }
  96 
  97   public long getJDoubleSize() throws RemoteException {
  98     return debugger.getJDoubleSize();
  99   }
 100 
 101   public long getJFloatSize() throws RemoteException {
 102     return debugger.getJFloatSize();
 103   }
 104 
 105   public long getJIntSize() throws RemoteException {
 106     return debugger.getJIntSize();
 107   }
 108 
 109   public long getJLongSize() throws RemoteException {
 110     return debugger.getJLongSize();
 111   }
 112 
 113   public long getJShortSize() throws RemoteException {
 114     return debugger.getJShortSize();
 115   }
 116 
 117   public long getHeapOopSize() throws RemoteException {
 118     return debugger.getHeapOopSize();
 119   }
 120 
 121   public long getNarrowOopBase() throws RemoteException {
 122     return debugger.getNarrowOopBase();
 123   }
 124 
 125   public int  getNarrowOopShift() throws RemoteException {
 126     return debugger.getNarrowOopShift();
 127   }
 128 
 129   public boolean   areThreadsEqual(long addrOrId1, boolean isAddress1,
 130                                    long addrOrId2, boolean isAddress2) throws RemoteException {
 131     ThreadProxy t1 = getThreadProxy(addrOrId1, isAddress1);
 132     ThreadProxy t2 = getThreadProxy(addrOrId2, isAddress2);
 133     return t1.equals(t2);
 134   }
 135 
 136 
 137   public int       getThreadHashCode(long addrOrId, boolean isAddress) throws RemoteException {
 138     ThreadProxy t = getThreadProxy(addrOrId, isAddress);
 139     return t.hashCode();
 140   }
 141 
 142   public long[]    getThreadIntegerRegisterSet(long addrOrId, boolean isAddress) throws RemoteException {
 143     ThreadProxy t = getThreadProxy(addrOrId, isAddress);
 144     ThreadContext tc = t.getContext();
 145     long[] regs = new long[tc.getNumRegisters()];
 146     for (int r = 0; r < regs.length; r++) {
 147        regs[r] = tc.getRegister(r);
 148     }
 149     return regs;
 150   }
 151 
 152   private ThreadProxy getThreadProxy(long addrOrId, boolean isAddress) throws DebuggerException {
 153      if (isAddress) {
 154         Address addr = debugger.parseAddress("0x" + Long.toHexString(addrOrId));
 155         return debugger.getThreadForIdentifierAddress(addr);
 156      } else {
 157         return debugger.getThreadForThreadId(addrOrId);
 158      }
 159   }
 160 }