Check in gcc sources for prebuilt toolchains in Eclair.

10 files changed, 1996 insertions, 0 deletions

diff --git a/gcc-4.2.1/libjava/java/nio/Buffer.java b/gcc-4.2.1/libjava/java/nio/Buffer.java
new file mode 100644
index 000000000..f369b9622
--- /dev/null
+++ b/gcc-4.2.1/libjava/java/nio/Buffer.java
@@ -0,0 +1,361 @@
+/* Buffer.java -- 
+   Copyright (C) 2002, 2003, 2004  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.nio;
+
+import gnu.gcj.RawData;
+
+/**
+ * @since 1.4
+ */
+public abstract class Buffer
+{
+  int cap = 0;
+  int limit = 0;
+  int pos = 0;
+  int mark = -1;
+  RawData address;
+
+  /**
+   * Creates a new Buffer.
+   *
+   * Should be package private.
+   */
+  Buffer (int capacity, int limit, int position, int mark)
+  {
+    if (capacity < 0)
+      throw new IllegalArgumentException ();
+    
+    cap = capacity;
+    limit (limit);
+    position (position);
+    
+    if (mark >= 0)
+    {
+      if (mark > pos)
+        throw new IllegalArgumentException ();
+      
+      this.mark = mark;
+    }
+  }
+  
+  /**
+   * Retrieves the capacity of the buffer.
+   *
+   * @return the capacity of the buffer
+   */
+  public final int capacity ()
+  {
+    return cap;
+  }
+
+  /**
+   * Clears the buffer.
+   *
+   * @return this buffer
+   */
+  public final Buffer clear ()
+  {
+    limit = cap;
+    pos = 0;
+    mark = -1;
+    return this;
+  }
+    
+  /**
+   * Flips the buffer.
+   *
+   * @return this buffer
+   */
+  public final Buffer flip ()
+  {
+    limit = pos;
+    pos = 0;
+    mark = -1;
+    return this;
+  }
+    
+  /**
+   * Tells whether the buffer has remaining data to read or not.
+   *
+   * @return true if the buffer contains remaining data to read,
+   * false otherwise
+   */
+  public final boolean hasRemaining ()
+  {
+    return remaining() > 0;
+  }
+
+  /**
+   * Tells whether this buffer is read only or not.
+   *
+   * @return true if the buffer is read only, false otherwise
+   */
+  public abstract boolean isReadOnly ();
+
+  /**
+   * Retrieves the current limit of the buffer.
+   *
+   * @return the limit of the buffer
+   */
+  public final int limit ()
+  {
+    return limit;
+  }
+
+  /**
+   * Sets this buffer's limit.
+   * 
+   * @param newLimit The new limit value; must be non-negative and no larger
+   * than this buffer's capacity.
+   *
+   * @return this buffer
+   *
+   * @exception IllegalArgumentException If the preconditions on newLimit
+   * do not hold.
+   */
+  public final Buffer limit (int newLimit)
+  {
+    if ((newLimit < 0) || (newLimit > cap))
+      throw new IllegalArgumentException ();
+
+    if (newLimit < mark)
+        mark = -1;
+
+    if (pos > newLimit)
+        pos = newLimit;
+
+    limit = newLimit;
+    return this;
+  }
+
+  /**
+   * Sets this buffer's mark at its position.
+   *
+   * @return this buffer
+   */
+  public final Buffer mark ()
+  {
+    mark = pos;
+    return this;
+  }
+
+  /**
+   * Retrieves the current position of this buffer.
+   *
+   * @return the current position of this buffer
+   */
+  public final int position ()
+  {
+    return pos;
+  }
+    
+  /**
+   * Sets this buffer's position. If the mark is defined and larger than the
+   * new position then it is discarded.
+   * 
+   * @param newPosition The new position value; must be non-negative and no
+   * larger than the current limit.
+   *
+   * @return this buffer
+   *
+   * @exception IllegalArgumentException If the preconditions on newPosition
+   * do not hold
+   */
+  public final Buffer position (int newPosition)
+  {
+    if ((newPosition < 0) || (newPosition > limit))
+      throw new IllegalArgumentException ();
+
+    if (newPosition <= mark)
+        mark = -1;
+
+    pos = newPosition;
+    return this;
+  }
+
+  /**
+   * Returns the number of elements between the current position and the limit.
+   *
+   * @return the number of remaining elements
+   */
+  public final int remaining()
+  {
+    return limit - pos;
+  }
+
+  /**
+   * Resets this buffer's position to the previously-marked position.
+   *
+   * @return this buffer
+   *
+   * @exception InvalidMarkException If the mark has not been set.
+   */
+  public final Buffer reset()
+  {
+    if (mark == -1)
+      throw new InvalidMarkException ();
+
+    pos = mark;
+    return this;
+  }
+
+  /**
+   * Rewinds this buffer. The position is set to zero and the mark
+   * is discarded.
+   *
+   * @return this buffer
+   */
+  public final Buffer rewind()
+  {
+    pos = 0;
+    mark = -1;
+    return this;
+  }
+
+  /**
+   * Checks for underflow. This method is used internally to check
+   * whether a buffer has enough elements left to satisfy a read 
+   * request.
+   *
+   * @exception BufferUnderflowException If there are no remaining
+   * elements in this buffer.
+   */
+  final void checkForUnderflow()
+  {
+    if (!hasRemaining())
+      throw new BufferUnderflowException();
+  }
+
+  /**
+   * Checks for underflow. This method is used internally to check
+   * whether a buffer has enough elements left to satisfy a read 
+   * request for a given number of elements.
+   *
+   * @param length The length of a sequence of elements.
+   *
+   * @exception BufferUnderflowException If there are not enough 
+   * remaining elements in this buffer.
+   */
+  final void checkForUnderflow(int length)
+  {
+    if (remaining() < length)
+      throw new BufferUnderflowException();
+  }
+
+  /**
+   * Checks for overflow. This method is used internally to check
+   * whether a buffer has enough space left to satisfy a write 
+   * request.
+   *
+   * @exception BufferOverflowException If there is no remaining
+   * space in this buffer.
+   */
+  final void checkForOverflow()
+  {
+    if (!hasRemaining())
+      throw new BufferOverflowException();
+  }
+
+  /**
+   * Checks for overflow. This method is used internally to check
+   * whether a buffer has enough space left to satisfy a write 
+   * request for a given number of elements.
+   *
+   * @param length The length of a sequence of elements.
+   *
+   * @exception BufferUnderflowException If there is not enough 
+   * remaining space in this buffer.
+   */
+  final void checkForOverflow(int length)
+  {
+    if (remaining() < length)
+      throw new BufferOverflowException();
+  }
+
+  /**
+   * Checks if index is negative or not smaller than the buffer's 
+   * limit. This method is used internally to check whether
+   * an indexed request can be fulfilled.
+   *
+   * @param index The requested position in the buffer.
+   *
+   * @exception IndexOutOfBoundsException If index is negative or not smaller
+   * than the buffer's limit.
+   */
+  final void checkIndex(int index)
+  {
+    if (index < 0
+        || index >= limit ())
+      throw new IndexOutOfBoundsException ();
+  }
+
+  /**
+   * Checks if buffer is read-only. This method is used internally to
+   * check if elements can be put into a buffer.
+   *
+   * @exception ReadOnlyBufferException If this buffer is read-only.
+   */
+  final void checkIfReadOnly() 
+  {
+    if (isReadOnly())
+      throw new ReadOnlyBufferException ();
+  }
+
+  /**
+   * Checks whether an array is large enough to hold the given number of
+   * elements at the given offset. This method is used internally to
+   * check if an array is big enough.
+   *
+   * @param arraylength The length of the array.
+   * @param offset The offset within the array of the first byte to be read;
+   * must be non-negative and no larger than arraylength.
+   * @param length The number of bytes to be read from the given array;
+   * must be non-negative and no larger than arraylength - offset.
+   *
+   * @exception IndexOutOfBoundsException If the preconditions on the offset
+   * and length parameters do not hold
+   */
+  static final void checkArraySize(int arraylength, int offset, int length)
+  {
+    if ((offset < 0) ||
+        (length < 0) ||
+        (arraylength < length + offset))
+      throw new IndexOutOfBoundsException ();
+  }
+}
diff --git a/gcc-4.2.1/libjava/java/nio/DirectByteBufferImpl.java b/gcc-4.2.1/libjava/java/nio/DirectByteBufferImpl.java
new file mode 100644
index 000000000..e448ea97c
--- /dev/null
+++ b/gcc-4.2.1/libjava/java/nio/DirectByteBufferImpl.java
@@ -0,0 +1,431 @@
+/* DirectByteBufferImpl.java -- 
+   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.nio;
+
+import gnu.gcj.RawData;
+
+abstract class DirectByteBufferImpl extends ByteBuffer
+{
+  /**
+   * The owner is used to keep alive the object that actually owns the
+   * memory. There are three possibilities:
+   *  1) owner == this: We allocated the memory and we should free it,
+   *                    but *only* in finalize (if we've been sliced
+   *                    other objects will also have access to the
+   *                    memory).
+   *  2) owner == null: The byte buffer was created thru
+   *                    JNI.NewDirectByteBuffer. The JNI code is
+   *                    responsible for freeing the memory.
+   *  3) owner == some other object: The other object allocated the
+   *                                 memory and should free it.
+   */
+  private final Object owner;
+
+  static final class ReadOnly extends DirectByteBufferImpl
+  {
+    ReadOnly(Object owner, RawData address,
+	     int capacity, int limit,
+	     int position)
+    {
+      super(owner, address, capacity, limit, position);
+    }
+
+    public ByteBuffer put(byte value)
+    {
+      throw new ReadOnlyBufferException ();
+    }
+
+    public ByteBuffer put(int index, byte value)
+    {
+      throw new ReadOnlyBufferException ();
+    }
+
+    public boolean isReadOnly()
+    {
+      return true;
+    }
+  }
+
+  static final class ReadWrite extends DirectByteBufferImpl
+  {
+    ReadWrite(int capacity)
+    {
+      super(capacity);
+    }
+
+    ReadWrite(RawData address, int capacity)
+    {
+      super(address, capacity);
+    }
+    
+    ReadWrite(Object owner, RawData address,
+	      int capacity, int limit,
+	      int position)
+    {
+      super(owner, address, capacity, limit, position);
+    }
+
+    public boolean isReadOnly()
+    {
+      return false;
+    }
+  }
+
+  DirectByteBufferImpl(int capacity)
+  {
+    super(capacity, capacity, 0, -1);
+    this.owner = this;
+    this.address = VMDirectByteBuffer.allocate(capacity);
+  }
+
+  DirectByteBufferImpl(RawData address, int capacity)
+  {
+    super(capacity, capacity, 0, -1);
+    this.owner = null;
+    this.address = address;
+  }
+  
+  DirectByteBufferImpl(Object owner, RawData address,
+		       int capacity, int limit,
+		       int position)
+  {
+    super(capacity, limit, position, -1);
+    this.owner = owner;
+    this.address = address;
+  }
+
+  /**
+   * Allocates a new direct byte buffer.
+   */ 
+  public static ByteBuffer allocate(int capacity)
+  {
+    return new DirectByteBufferImpl.ReadWrite(capacity);
+  }
+
+  protected void finalize() throws Throwable
+  {
+    if (owner == this)
+        VMDirectByteBuffer.free(address);
+  }
+  
+  public byte get()
+  {
+    checkForUnderflow();
+
+    int pos = position();
+    byte result = VMDirectByteBuffer.get(address, pos);
+    position(pos + 1);
+    return result;
+  }
+
+  public byte get(int index)
+  {
+    checkIndex(index);
+
+    return VMDirectByteBuffer.get(address, index);
+  }
+
+  public ByteBuffer get(byte[] dst, int offset, int length)
+  {
+    checkArraySize(dst.length, offset, length);
+    checkForUnderflow(length);
+
+    int index = position();
+    VMDirectByteBuffer.get(address, index, dst, offset, length);
+    position(index+length);
+
+    return this;
+  }
+
+  public ByteBuffer put(byte value)
+  {
+    checkForOverflow();
+
+    int pos = position();
+    VMDirectByteBuffer.put(address, pos, value);
+    position(pos + 1);
+    return this;
+  }
+  
+  public ByteBuffer put(int index, byte value)
+  {
+    checkIndex(index);
+
+    VMDirectByteBuffer.put(address, index, value);
+    return this;
+  }
+  
+  void shiftDown(int dst_offset, int src_offset, int count)
+  {
+    VMDirectByteBuffer.shiftDown(address, dst_offset, src_offset, count);
+  }
+  
+  public ByteBuffer compact()
+  {
+    checkIfReadOnly();
+    mark = -1;
+    int pos = position();
+    if (pos > 0)
+      {
+	int count = remaining();
+	VMDirectByteBuffer.shiftDown(address, 0, pos, count);
+	position(count);
+	limit(capacity());
+      }
+    else
+      {
+	position(limit());
+	limit(capacity());
+      }
+    return this;
+  }
+
+  public ByteBuffer slice()
+  {
+    int rem = remaining();
+    if (isReadOnly())
+        return new DirectByteBufferImpl.ReadOnly
+      (owner, VMDirectByteBuffer.adjustAddress(address, position()),
+       rem, rem, 0);
+    else
+        return new DirectByteBufferImpl.ReadWrite
+      (owner, VMDirectByteBuffer.adjustAddress(address, position()),
+       rem, rem, 0);
+  }
+
+  private ByteBuffer duplicate(boolean readOnly)
+  {
+    int pos = position();
+    reset();
+    int mark = position();
+    position(pos);
+    DirectByteBufferImpl result;
+    if (readOnly)
+        result = new DirectByteBufferImpl.ReadOnly(owner, address, capacity(),
+                                                   limit(), pos);
+    else
+        result = new DirectByteBufferImpl.ReadWrite(owner, address, capacity(),
+                                                    limit(), pos);
+
+    if (mark != pos)
+      {
+	result.position(mark);
+	result.mark();
+	result.position(pos);
+      }
+    return result;
+  }
+
+  public ByteBuffer duplicate()
+  {
+    return duplicate(isReadOnly());
+  }
+
+  public ByteBuffer asReadOnlyBuffer()
+  {
+    return duplicate(true);
+  }
+
+  public boolean isDirect()
+  {
+    return true;
+  }
+
+  public CharBuffer asCharBuffer()
+  {
+    return new CharViewBufferImpl(this, remaining() >> 1);
+  }
+
+  public ShortBuffer asShortBuffer()
+  {
+    return new ShortViewBufferImpl(this, remaining() >> 1);
+  }
+
+  public IntBuffer asIntBuffer()
+  {
+    return new IntViewBufferImpl(this, remaining() >> 2);
+  }
+
+  public LongBuffer asLongBuffer()
+  {
+    return new LongViewBufferImpl(this, remaining() >> 3);
+  }
+
+  public FloatBuffer asFloatBuffer()
+  {
+    return new FloatViewBufferImpl(this, remaining() >> 2);
+  }
+
+  public DoubleBuffer asDoubleBuffer()
+  {
+    return new DoubleViewBufferImpl(this, remaining() >> 3);
+  }
+
+  public char getChar()
+  {
+    return ByteBufferHelper.getChar(this, order());
+  }
+  
+  public ByteBuffer putChar(char value)
+  {
+    ByteBufferHelper.putChar(this, value, order());
+    return this;
+  }
+  
+  public char getChar(int index)
+  {
+    return ByteBufferHelper.getChar(this, index, order());
+  }
+  
+  public ByteBuffer putChar(int index, char value)
+  {
+    ByteBufferHelper.putChar(this, index, value, order());
+    return this;
+  }
+
+  public short getShort()
+  {
+    return ByteBufferHelper.getShort(this, order());
+  }
+  
+  public ByteBuffer putShort(short value)
+  {
+    ByteBufferHelper.putShort(this, value, order());
+    return this;
+  }
+  
+  public short getShort(int index)
+  {
+    return ByteBufferHelper.getShort(this, index, order());
+  }
+  
+  public ByteBuffer putShort(int index, short value)
+  {
+    ByteBufferHelper.putShort(this, index, value, order());
+    return this;
+  }
+
+  public int getInt()
+  {
+    return ByteBufferHelper.getInt(this, order());
+  }
+  
+  public ByteBuffer putInt(int value)
+  {
+    ByteBufferHelper.putInt(this, value, order());
+    return this;
+  }
+  
+  public int getInt(int index)
+  {
+    return ByteBufferHelper.getInt(this, index, order());
+  }
+  
+  public ByteBuffer putInt(int index, int value)
+  {
+    ByteBufferHelper.putInt(this, index, value, order());
+    return this;
+  }
+
+  public long getLong()
+  {
+    return ByteBufferHelper.getLong(this, order());
+  }
+  
+  public ByteBuffer putLong(long value)
+  {
+    ByteBufferHelper.putLong(this, value, order());
+    return this;
+  }
+  
+  public long getLong(int index)
+  {
+    return ByteBufferHelper.getLong(this, index, order());
+  }
+  
+  public ByteBuffer putLong(int index, long value)
+  {
+    ByteBufferHelper.putLong(this, index, value, order());
+    return this;
+  }
+
+  public float getFloat()
+  {
+    return ByteBufferHelper.getFloat(this, order());
+  }
+  
+  public ByteBuffer putFloat(float value)
+  {
+    ByteBufferHelper.putFloat(this, value, order());
+    return this;
+  }
+  
+  public float getFloat(int index)
+  {
+    return ByteBufferHelper.getFloat(this, index, order());
+  }
+
+  public ByteBuffer putFloat(int index, float value)
+  {
+    ByteBufferHelper.putFloat(this, index, value, order());
+    return this;
+  }
+
+  public double getDouble()
+  {
+    return ByteBufferHelper.getDouble(this, order());
+  }
+
+  public ByteBuffer putDouble(double value)
+  {
+    ByteBufferHelper.putDouble(this, value, order());
+    return this;
+  }
+  
+  public double getDouble(int index)
+  {
+    return ByteBufferHelper.getDouble(this, index, order());
+  }
+  
+  public ByteBuffer putDouble(int index, double value)
+  {
+    ByteBufferHelper.putDouble(this, index, value, order());
+    return this;
+  }
+}
diff --git a/gcc-4.2.1/libjava/java/nio/MappedByteBuffer.java b/gcc-4.2.1/libjava/java/nio/MappedByteBuffer.java
new file mode 100644
index 000000000..9b6df1715
--- /dev/null
+++ b/gcc-4.2.1/libjava/java/nio/MappedByteBuffer.java
@@ -0,0 +1,89 @@
+/* MappedByteBuffer.java -- 
+   Copyright (C) 2002, 2004  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.nio;
+
+/**
+ * @author Michael Koch (konqueror@gmx.de)
+ * @since 1.4
+ */
+public abstract class MappedByteBuffer extends ByteBuffer
+{
+  MappedByteBuffer (int capacity, int limit, int position, int mark)
+  {
+    super (capacity, limit, position, mark);
+  }
+  
+  void forceImpl()
+  {
+  }
+
+  public final MappedByteBuffer force ()
+  {
+    forceImpl();
+    return this;
+  }
+    
+  boolean isLoadedImpl()
+  {
+    load();
+    return true;
+  }
+
+  public final boolean isLoaded ()
+  {
+    return isLoadedImpl();
+  }
+    
+  void loadImpl()
+  {
+  }
+
+  public final MappedByteBuffer load ()
+  {
+    loadImpl();
+    return this;
+  }
+
+  void unmapImpl ()
+  {
+    forceImpl();
+  }
+
+  public void finalize () { unmapImpl(); }
+}
diff --git a/gcc-4.2.1/libjava/java/nio/MappedByteBufferImpl.java b/gcc-4.2.1/libjava/java/nio/MappedByteBufferImpl.java
new file mode 100644
index 000000000..444eeea91
--- /dev/null
+++ b/gcc-4.2.1/libjava/java/nio/MappedByteBufferImpl.java
@@ -0,0 +1,360 @@
+/* MappedByteBufferImpl.java -- 
+   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.nio;
+
+import gnu.gcj.RawData;
+
+import java.io.IOException;
+
+final class MappedByteBufferImpl extends MappedByteBuffer
+{
+  boolean readOnly;
+
+  /** Posix uses this for the pointer returned by mmap;
+   * Win32 uses it for the pointer returned by MapViewOfFile. */
+  public RawData implPtr;
+  /** Posix uses this for the actual length passed to mmap;
+   * Win32 uses it for the pointer returned by CreateFileMapping. */
+  public long implLen;
+  
+  public MappedByteBufferImpl(RawData address, int size, boolean readOnly)
+    throws IOException
+  {
+    super(size, size, 0, -1);
+    this.address = address;
+    this.readOnly = readOnly;
+  }
+
+  public boolean isReadOnly()
+  {
+    return readOnly;
+  }
+  
+  public byte get()
+  {
+    checkForUnderflow();
+
+    int pos = position();
+    byte result = VMDirectByteBuffer.get(address, pos);
+    position(pos + 1);
+    return result;
+  }
+
+  public ByteBuffer put(byte value)
+  {
+    checkIfReadOnly();
+    checkForOverflow();
+
+    int pos = position();
+    VMDirectByteBuffer.put(address, pos, value);
+    position(pos + 1);
+    return this;
+  }
+
+  public byte get(int index)
+  {
+    checkIndex(index);
+
+    return VMDirectByteBuffer.get(address, index);
+  }
+
+  public ByteBuffer get(byte[] dst, int offset, int length)
+  {
+    checkArraySize(dst.length, offset, length);
+    checkForUnderflow(length);
+
+    int index = position();
+    VMDirectByteBuffer.get(address, index, dst, offset, length);
+    position(index+length);
+
+    return this;
+  }
+
+  public ByteBuffer put(int index, byte value)
+  {
+    checkIfReadOnly();
+    checkIndex(index);
+
+    VMDirectByteBuffer.put(address, index, value);
+    return this;
+  }
+
+  public ByteBuffer compact()
+  {
+    checkIfReadOnly();
+    mark = -1;
+    int pos = position();
+    if (pos > 0)
+      {
+	int count = remaining();
+	// Call shiftDown method optimized for direct buffers.
+	VMDirectByteBuffer.shiftDown(address, 0, pos, count);
+	position(count);
+	limit(capacity());
+      }
+    else
+      {
+	position(limit());
+	limit(capacity());
+      }
+    return this;
+  }
+
+  public boolean isDirect()
+  {
+    return true;
+  }
+
+  public ByteBuffer slice()
+  {
+    int rem = remaining();
+    if (isReadOnly())
+        return new DirectByteBufferImpl.ReadOnly
+      (this, VMDirectByteBuffer.adjustAddress(address, position()),
+       rem, rem, 0);
+    else
+        return new DirectByteBufferImpl.ReadWrite
+      (this, VMDirectByteBuffer.adjustAddress(address, position()),
+       rem, rem, 0);
+  }
+
+  private ByteBuffer duplicate(boolean readOnly)
+  {
+    int pos = position();
+    reset();
+    int mark = position();
+    position(pos);
+    DirectByteBufferImpl result;
+    if (readOnly)
+        result = new DirectByteBufferImpl.ReadOnly(this, address, capacity(),
+                                                   limit(), pos);
+    else
+        result = new DirectByteBufferImpl.ReadWrite(this, address, capacity(),
+                                                    limit(), pos);
+
+    if (mark != pos)
+      {
+	result.position(mark);
+	result.mark();
+	result.position(pos);
+      }
+    return result;
+  }
+
+  public ByteBuffer duplicate()
+  {
+    return duplicate(isReadOnly());
+  }
+
+  public ByteBuffer asReadOnlyBuffer()
+  {
+    return duplicate(true);
+  }
+
+  public CharBuffer asCharBuffer()
+  {
+    return new CharViewBufferImpl(this, remaining() >> 1);
+  }
+
+  public ShortBuffer asShortBuffer()
+  {
+    return new ShortViewBufferImpl(this, remaining() >> 1);
+  }
+
+  public IntBuffer asIntBuffer()
+  {
+    return new IntViewBufferImpl(this, remaining() >> 2);
+  }
+
+  public LongBuffer asLongBuffer()
+  {
+    return new LongViewBufferImpl(this, remaining() >> 3);
+  }
+
+  public FloatBuffer asFloatBuffer()
+  {
+    return new FloatViewBufferImpl(this, remaining() >> 2);
+  }
+
+  public DoubleBuffer asDoubleBuffer()
+  {
+    return new DoubleViewBufferImpl(this, remaining() >> 3);
+  }
+
+  public char getChar()
+  {
+    return ByteBufferHelper.getChar(this, order());
+  }
+  
+  public ByteBuffer putChar(char value)
+  {
+    ByteBufferHelper.putChar(this, value, order());
+    return this;
+  }
+  
+  public char getChar(int index)
+  {
+    return ByteBufferHelper.getChar(this, index, order());
+  }
+  
+  public ByteBuffer putChar(int index, char value)
+  {
+    ByteBufferHelper.putChar(this, index, value, order());
+    return this;
+  }
+
+  public short getShort()
+  {
+    return ByteBufferHelper.getShort(this, order());
+  }
+  
+  public ByteBuffer putShort(short value)
+  {
+    ByteBufferHelper.putShort(this, value, order());
+    return this;
+  }
+  
+  public short getShort(int index)
+  {
+    return ByteBufferHelper.getShort(this, index, order());
+  }
+  
+  public ByteBuffer putShort(int index, short value)
+  {
+    ByteBufferHelper.putShort(this, index, value, order());
+    return this;
+  }
+
+  public int getInt()
+  {
+    return ByteBufferHelper.getInt(this, order());
+  }
+  
+  public ByteBuffer putInt(int value)
+  {
+    ByteBufferHelper.putInt(this, value, order());
+    return this;
+  }
+  
+  public int getInt(int index)
+  {
+    return ByteBufferHelper.getInt(this, index, order());
+  }
+  
+  public ByteBuffer putInt(int index, int value)
+  {
+    ByteBufferHelper.putInt(this, index, value, order());
+    return this;
+  }
+
+  public long getLong()
+  {
+    return ByteBufferHelper.getLong(this, order());
+  }
+  
+  public ByteBuffer putLong(long value)
+  {
+    ByteBufferHelper.putLong(this, value, order());
+    return this;
+  }
+  
+  public long getLong(int index)
+  {
+    return ByteBufferHelper.getLong(this, index, order());
+  }
+  
+  public ByteBuffer putLong(int index, long value)
+  {
+    ByteBufferHelper.putLong(this, index, value, order());
+    return this;
+  }
+
+  public float getFloat()
+  {
+    return ByteBufferHelper.getFloat(this, order());
+  }
+  
+  public ByteBuffer putFloat(float value)
+  {
+    ByteBufferHelper.putFloat(this, value, order());
+    return this;
+  }
+  
+  public float getFloat(int index)
+  {
+    return ByteBufferHelper.getFloat(this, index, order());
+  }
+
+  public ByteBuffer putFloat(int index, float value)
+  {
+    ByteBufferHelper.putFloat(this, index, value, order());
+    return this;
+  }
+
+  public double getDouble()
+  {
+    return ByteBufferHelper.getDouble(this, order());
+  }
+
+  public ByteBuffer putDouble(double value)
+  {
+    ByteBufferHelper.putDouble(this, value, order());
+    return this;
+  }
+  
+  public double getDouble(int index)
+  {
+    return ByteBufferHelper.getDouble(this, index, order());
+  }
+  
+  public ByteBuffer putDouble(int index, double value)
+  {
+    ByteBufferHelper.putDouble(this, index, value, order());
+    return this;
+  }
+
+  // NOTE: In libgcj these methods are implemented in natFileChannelXxx.cc,
+  // because they're small, and to put them next to FileChannelImpl::mapImpl.
+  native void unmapImpl();
+  native boolean isLoadedImpl();
+    // FIXME: Try to load all pages into memory.
+  native void loadImpl();
+
+  native void forceImpl();
+}
diff --git a/gcc-4.2.1/libjava/java/nio/VMDirectByteBuffer.java b/gcc-4.2.1/libjava/java/nio/VMDirectByteBuffer.java
new file mode 100644
index 000000000..2aefaeb4b
--- /dev/null
+++ b/gcc-4.2.1/libjava/java/nio/VMDirectByteBuffer.java
@@ -0,0 +1,53 @@
+/* VMDirectByteBuffer.java -- 
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.nio;
+
+import gnu.classpath.Configuration;
+import gnu.gcj.RawData;
+
+final class VMDirectByteBuffer
+{
+  static native RawData allocate (int capacity);
+  static native void free(RawData address);
+  static native byte get(RawData address, int index);
+  static native void get(RawData address, int index, byte[] dst, int offset, int length);
+  static native void put(RawData address, int index, byte value);
+  static native RawData adjustAddress(RawData address, int offset);
+  static native void shiftDown(RawData address, int dst_offset, int src_offset, int count);
+}
diff --git a/gcc-4.2.1/libjava/java/nio/channels/VMChannels.java b/gcc-4.2.1/libjava/java/nio/channels/VMChannels.java
new file mode 100644
index 000000000..4f43a42ad
--- /dev/null
+++ b/gcc-4.2.1/libjava/java/nio/channels/VMChannels.java
@@ -0,0 +1,85 @@
+/* VMChannels.java --
+   Copyright (C) 2005, 2006  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.nio.channels;
+
+import gnu.java.nio.ChannelInputStream;
+import gnu.java.nio.ChannelOutputStream;
+import gnu.java.nio.channels.FileChannelImpl;
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
+final class VMChannels
+{
+  /**
+   * This class isn't intended to be instantiated.
+   */
+  private VMChannels()
+  {
+    // Do nothing here.
+  }
+
+  static native FileInputStream newInputStream(FileChannelImpl ch);
+
+  static native FileOutputStream newOutputStream(FileChannelImpl ch);
+
+  /**
+   * Constructs a stream that reads bytes from the given channel.
+   */
+  static InputStream newInputStream(ReadableByteChannel ch)
+  {
+    if (ch instanceof FileChannelImpl)
+      return newInputStream((FileChannelImpl) ch);
+    return new ChannelInputStream(ch);
+  }
+
+  /**
+   * Constructs a stream that writes bytes to the given channel.
+   */
+  static OutputStream newOutputStream(WritableByteChannel ch)
+  {
+    if (ch instanceof FileChannelImpl)
+      return newOutputStream((FileChannelImpl) ch);
+    return new ChannelOutputStream(ch);
+  }
+}
diff --git a/gcc-4.2.1/libjava/java/nio/channels/natVMChannels.cc b/gcc-4.2.1/libjava/java/nio/channels/natVMChannels.cc
new file mode 100644
index 000000000..d40a51653
--- /dev/null
+++ b/gcc-4.2.1/libjava/java/nio/channels/natVMChannels.cc
@@ -0,0 +1,37 @@
+// natVMChannels.cc - Native part of VMChannels class.
+
+/* Copyright (C) 2004, 2006  Free Software Foundation
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+#include <config.h>
+#include <gcj/cni.h>
+
+#include <java/nio/channels/VMChannels.h>
+#include <java/nio/channels/Channels.h>
+#include <java/io/FileInputStream.h>
+#include <java/io/FileOutputStream.h>
+#include <gnu/java/nio/channels/FileChannelImpl.h>
+
+using java::nio::channels::VMChannels;
+using java::io::FileInputStream;
+using java::io::FileOutputStream;
+using gnu::java::nio::channels::FileChannelImpl;
+
+FileInputStream*
+VMChannels::newInputStream(FileChannelImpl* ch)
+{
+  // Needs to be native to bypass Java access protection.
+  return new FileInputStream (ch);
+}
+
+FileOutputStream*
+VMChannels::newOutputStream(FileChannelImpl* ch)
+{
+  // Needs to be native to bypass Java access protection.
+  return new FileOutputStream (ch);
+}
diff --git a/gcc-4.2.1/libjava/java/nio/charset/Charset.java b/gcc-4.2.1/libjava/java/nio/charset/Charset.java
new file mode 100644
index 000000000..48093bc9d
--- /dev/null
+++ b/gcc-4.2.1/libjava/java/nio/charset/Charset.java
@@ -0,0 +1,412 @@
+/* Charset.java -- 
+   Copyright (C) 2002, 2004, 2005  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.nio.charset;
+
+import gnu.classpath.ServiceFactory;
+import gnu.classpath.SystemProperties;
+import gnu.java.nio.charset.Provider;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.spi.CharsetProvider;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+import java.util.Locale;
+import java.util.Set;
+import java.util.SortedMap;
+import java.util.TreeMap;
+
+/**
+ * @author Jesse Rosenstock
+ * @since 1.4
+ */
+public abstract class Charset implements Comparable
+{
+  private CharsetEncoder cachedEncoder;
+  private CharsetDecoder cachedDecoder;
+ 
+  /**
+   * Charset providers.
+   */
+  private static CharsetProvider[] providers;
+  
+  private final String canonicalName;
+  private final String[] aliases;
+  
+  protected Charset (String canonicalName, String[] aliases)
+  {
+    checkName (canonicalName);
+    if (aliases != null)
+      {
+        int n = aliases.length;
+        for (int i = 0; i < n; ++i)
+            checkName (aliases[i]);
+      }
+
+    cachedEncoder = null;
+    cachedDecoder = null;
+    this.canonicalName = canonicalName;
+    this.aliases = aliases;
+  }
+
+  /**
+   * @throws IllegalCharsetNameException  if the name is illegal
+   */
+  private static void checkName (String name)
+  {
+    int n = name.length ();
+
+    if (n == 0)
+      throw new IllegalCharsetNameException (name);
+
+    char ch = name.charAt (0);
+    if (!(('A' <= ch && ch <= 'Z')
+          || ('a' <= ch && ch <= 'z')
+          || ('0' <= ch && ch <= '9')))
+      throw new IllegalCharsetNameException (name);
+
+    for (int i = 1; i < n; ++i)
+      {
+        ch = name.charAt (i);
+        if (!(('A' <= ch && ch <= 'Z')
+              || ('a' <= ch && ch <= 'z')
+              || ('0' <= ch && ch <= '9')
+              || ch == '-' || ch == '.' || ch == ':' || ch == '_'))
+          throw new IllegalCharsetNameException (name);
+      }
+  }
+
+  /**
+   * Returns the system default charset.
+   *
+   * This may be set by the user or VM with the file.encoding
+   * property.
+   *
+   * @since 1.5
+   */
+  public static Charset defaultCharset()
+  {
+    String encoding;
+    
+    try 
+      {
+	encoding = SystemProperties.getProperty("file.encoding");
+      }
+    catch(SecurityException e)
+      {
+	// Use fallback.
+	encoding = "ISO-8859-1";
+      }
+    catch(IllegalArgumentException e)
+      {
+	// Use fallback.
+	encoding = "ISO-8859-1";
+      }
+
+    try
+      {
+	return forName(encoding);
+      }
+    catch(UnsupportedCharsetException e)
+      {
+	// Ignore.
+      }
+    catch(IllegalCharsetNameException e)
+      {
+	// Ignore.
+      }
+    catch(IllegalArgumentException e)
+      {
+	// Ignore.
+      }
+    
+    throw new IllegalStateException("Can't get default charset!");
+  }
+
+  public static boolean isSupported (String charsetName)
+  {
+    return charsetForName (charsetName) != null;
+  }
+
+  /**
+   * Returns the Charset instance for the charset of the given name.
+   * 
+   * @param charsetName
+   * @return
+   * @throws UnsupportedCharsetException if this VM does not support
+   * the charset of the given name.
+   * @throws IllegalCharsetNameException if the given charset name is
+   * legal.
+   * @throws IllegalArgumentException if <code>charsetName</code> is null.
+   */
+  public static Charset forName (String charsetName)
+  {
+    // Throws IllegalArgumentException as the JDK does.
+    if(charsetName == null)
+        throw new IllegalArgumentException("Charset name must not be null.");
+    
+    Charset cs = charsetForName (charsetName);
+    if (cs == null)
+      throw new UnsupportedCharsetException (charsetName);
+    return cs;
+  }
+
+  /**
+   * Retrieves a charset for the given charset name.
+   *
+   * @return A charset object for the charset with the specified name, or
+   * <code>null</code> if no such charset exists.
+   *
+   * @throws IllegalCharsetNameException  if the name is illegal
+   */
+  private static Charset charsetForName(String charsetName)
+  {
+    checkName (charsetName);
+    // Try the default provider first
+    // (so we don't need to load external providers unless really necessary)
+    // if it is an exotic charset try loading the external providers.
+    Charset cs = provider().charsetForName(charsetName);
+    if (cs == null)
+      {
+	CharsetProvider[] providers = providers2();
+	for (int i = 0; i < providers.length; i++)
+	  {
+	    cs = providers[i].charsetForName(charsetName);
+	    if (cs != null)
+	      break;
+	  }
+      }
+    return cs;
+  }
+
+  public static SortedMap availableCharsets()
+  {
+    TreeMap charsets = new TreeMap(String.CASE_INSENSITIVE_ORDER);
+    for (Iterator i = provider().charsets(); i.hasNext(); )
+      {
+	Charset cs = (Charset) i.next();
+	charsets.put(cs.name(), cs);
+      }
+
+    CharsetProvider[] providers = providers2();
+    for (int j = 0; j < providers.length; j++)
+      {
+        for (Iterator i = providers[j].charsets(); i.hasNext(); )
+          {
+            Charset cs = (Charset) i.next();
+            charsets.put(cs.name(), cs);
+          }
+      }
+
+    return Collections.unmodifiableSortedMap(charsets);
+  }
+
+  private static CharsetProvider provider()
+  {
+    try
+      {
+	String s = System.getProperty("charset.provider");
+	if (s != null)
+	  {
+	    CharsetProvider p =
+	      (CharsetProvider) ((Class.forName(s)).newInstance());
+	    return p;
+	  }
+      }
+    catch (Exception e)
+      {
+	// Ignore.
+      }
+    
+    return Provider.provider();
+  }
+
+  /**
+   * We need to support multiple providers, reading them from
+   * java.nio.charset.spi.CharsetProvider in the resource directory
+   * META-INF/services. This returns the "extra" charset providers.
+   */
+  private static CharsetProvider[] providers2()
+  {
+    if (providers == null)
+      {
+        try
+          {
+            Iterator i = ServiceFactory.lookupProviders(CharsetProvider.class);
+            LinkedHashSet set = new LinkedHashSet();
+            while (i.hasNext())
+              set.add(i.next());
+
+            providers = new CharsetProvider[set.size()];
+            set.toArray(providers);
+          }
+        catch (Exception e)
+          {
+            throw new RuntimeException(e);
+          }
+      }
+    return providers;
+  }
+
+  public final String name ()
+  {
+    return canonicalName;
+  }
+
+  public final Set aliases ()
+  {
+    if (aliases == null)
+      return Collections.EMPTY_SET;
+
+    // should we cache the aliasSet instead?
+    int n = aliases.length;
+    HashSet aliasSet = new HashSet (n);
+    for (int i = 0; i < n; ++i)
+        aliasSet.add (aliases[i]);
+    return Collections.unmodifiableSet (aliasSet);
+  }
+
+  public String displayName ()
+  {
+    return canonicalName;
+  }
+
+  public String displayName (Locale locale)
+  {
+    return canonicalName;
+  }
+
+  public final boolean isRegistered ()
+  {
+    return (!canonicalName.startsWith ("x-")
+            && !canonicalName.startsWith ("X-"));
+  }
+
+  public abstract boolean contains (Charset cs);
+
+  public abstract CharsetDecoder newDecoder ();
+
+  public abstract CharsetEncoder newEncoder ();
+
+  public boolean canEncode ()
+  {
+    return true;
+  }
+
+  // NB: This implementation serializes different threads calling
+  // Charset.encode(), a potential performance problem.  It might
+  // be better to remove the cache, or use ThreadLocal to cache on
+  // a per-thread basis.
+  public final synchronized ByteBuffer encode (CharBuffer cb)
+  {
+    try
+      {
+	if (cachedEncoder == null)
+	  {
+	    cachedEncoder = newEncoder ()
+	      .onMalformedInput (CodingErrorAction.REPLACE)
+	      .onUnmappableCharacter (CodingErrorAction.REPLACE);
+	  } else
+	  cachedEncoder.reset();
+	return cachedEncoder.encode (cb);
+      }
+    catch (CharacterCodingException e)
+      {
+        throw new AssertionError (e);
+      }
+  }
+  
+  public final ByteBuffer encode (String str)
+  {
+    return encode (CharBuffer.wrap (str));
+  }
+
+  // NB: This implementation serializes different threads calling
+  // Charset.decode(), a potential performance problem.  It might
+  // be better to remove the cache, or use ThreadLocal to cache on
+  // a per-thread basis.
+  public final synchronized CharBuffer decode (ByteBuffer bb)
+  {
+    try
+      {
+	if (cachedDecoder == null)
+	  {
+	    cachedDecoder = newDecoder ()
+	      .onMalformedInput (CodingErrorAction.REPLACE)
+	      .onUnmappableCharacter (CodingErrorAction.REPLACE);
+	  } else
+	  cachedDecoder.reset();
+
+	return cachedDecoder.decode (bb);
+      }
+    catch (CharacterCodingException e)
+      {
+        throw new AssertionError (e);
+      }
+  }
+
+  public final int compareTo (Object ob)
+  {
+    return canonicalName.compareToIgnoreCase (((Charset) ob).canonicalName);
+  }
+
+  public final int hashCode ()
+  {
+    return canonicalName.hashCode ();
+  }
+
+  public final boolean equals (Object ob)
+  {
+    if (ob instanceof Charset)
+      return canonicalName.equalsIgnoreCase (((Charset) ob).canonicalName);
+    else
+      return false;
+  }
+
+  public final String toString ()
+  {
+    return canonicalName;
+  }
+}
diff --git a/gcc-4.2.1/libjava/java/nio/charset/spi/CharsetProvider.java b/gcc-4.2.1/libjava/java/nio/charset/spi/CharsetProvider.java
new file mode 100644
index 000000000..e15153fe9
--- /dev/null
+++ b/gcc-4.2.1/libjava/java/nio/charset/spi/CharsetProvider.java
@@ -0,0 +1,96 @@
+/* CharsetProvider.java -- charset service provider interface
+   Copyright (C) 2002, 2006 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.nio.charset.spi;
+
+import java.nio.charset.Charset;
+import java.util.Iterator;
+
+
+/**
+ * This class allows an implementor to provide additional character sets. The
+ * subclass must have a nullary constructor, and be attached to charset
+ * implementation classes. These extensions are loaded via the context class
+ * loader. To provide the charset extension, all files named
+ * <code>META-INF/services/java.nio.charset.spi.CharsetProvider</code> are
+ * read from the classpath. Each one should be a UTF-8 encoded list of
+ * fully-qualified names of concrete subclasses of this class; whitespace is
+ * ignored, and '#' starts comments. Duplicates are ignored. The
+ * implementations must be accessible to the classloader that requests them.
+ *
+ * @author Eric Blake (ebb9@email.byu.edu)
+ * @see Charset
+ * @since 1.4
+ * @status updated to 1.4
+ */
+public abstract class CharsetProvider
+{
+  /**
+   * Initialize a new charset provider. This performs a security check on
+   * RuntimePermission("charsetProvider").
+   *
+   * @throws SecurityException if building a new set is not allowed
+   */
+  protected CharsetProvider()
+  {
+    // We only do the security check for custom providers, not for the
+    // built in ones.
+    SecurityManager s = System.getSecurityManager();
+    if (s != null &&
+        ! (this instanceof gnu.java.nio.charset.Provider))
+	// GCJ LOCAL - We have the iconv provider in standard.omit
+        // || this instanceof gnu.java.nio.charset.iconv.IconvProvider))
+      s.checkPermission(new RuntimePermission("charsetProvider"));
+  }
+
+  /**
+   * Returns an iterator over the charsets defined by this provider.
+   *
+   * @return the iterator
+   * @see Charset#availableCharsets()
+   */
+  public abstract Iterator charsets();
+
+  /**
+   * Returns the named charset, by canonical name or alias.
+   *
+   * @param name the name of the character
+   *
+   * @return the charset, or null if not supported
+   */
+  public abstract Charset charsetForName(String name);
+} // class CharsetProvider
diff --git a/gcc-4.2.1/libjava/java/nio/natDirectByteBufferImpl.cc b/gcc-4.2.1/libjava/java/nio/natDirectByteBufferImpl.cc
new file mode 100644
index 000000000..3119fdea3
--- /dev/null
+++ b/gcc-4.2.1/libjava/java/nio/natDirectByteBufferImpl.cc
@@ -0,0 +1,72 @@
+// natDirectByteBufferImpl.cc
+
+/* Copyright (C) 2003, 2004  Free Software Foundation
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+#include <config.h>
+
+#include <gcj/cni.h>
+#include <jvm.h>
+
+#include <stdlib.h>
+
+#include <gnu/gcj/RawData.h>
+#include <java/nio/VMDirectByteBuffer.h>
+
+using gnu::gcj::RawData;
+
+RawData*
+java::nio::VMDirectByteBuffer::allocate (jint capacity)
+{
+  return reinterpret_cast<gnu::gcj::RawData*> (::malloc (capacity));
+}
+
+void
+java::nio::VMDirectByteBuffer::free (gnu::gcj::RawData* address)
+{
+  ::free (reinterpret_cast<void*> (address));
+}
+
+jbyte
+java::nio::VMDirectByteBuffer::get (RawData* address, jint index)
+{
+  jbyte* pointer = reinterpret_cast<jbyte*> (address) + index;
+  return *pointer;
+}
+
+void
+java::nio::VMDirectByteBuffer::get (RawData* address, jint index,
+				    jbyteArray dst, jint offset, jint length)
+{
+  jbyte* src = reinterpret_cast<jbyte*> (address) + index;
+  memcpy (elements (dst) + offset, src, length);
+}
+
+void
+java::nio::VMDirectByteBuffer::put (gnu::gcj::RawData* address,
+				    jint index, jbyte value)
+{
+  jbyte* pointer = reinterpret_cast<jbyte*> (address) + index;
+  *pointer = value;
+}
+
+RawData*
+java::nio::VMDirectByteBuffer::adjustAddress (RawData* address, jint offset)
+{
+  jbyte* start = reinterpret_cast<jbyte*> (address) + offset;
+  return reinterpret_cast<RawData*>(start);
+}
+
+void
+java::nio::VMDirectByteBuffer::shiftDown (RawData* address, jint dst_offset,
+					  jint src_offset, jint count)
+{
+  jbyte* dst = reinterpret_cast<jbyte*> (address) + dst_offset;
+  jbyte* src = reinterpret_cast<jbyte*> (address) + src_offset;
+  ::memmove(dst, src, count);
+}