Makefile.am: Added locale files from Classpath.

	* Makefile.am: Added locale files from Classpath.
	* Makefile.in: Rebuilt.
	* gnu/java/locale/Calendar.java: New file.
	* gnu/java/locale/Calendar_de.java: New file.
	* gnu/java/locale/Calendar_en.java: New file.
	* gnu/java/locale/Calendar_nl.java: New file.
	* java/lang/ClassNotFoundException.java: Replaced with Classpath file.
	* java/math/BigDecimal.java (intVal): Renamed from 'num' for
	serialization compatibility.
	(scale): Made private.
	(serialVersionUID): New field.
	* java/math/BigInteger.java (ival): Made transient.
	(words): Made transient.
	(bitCount): New serialization field.
	(bitLength): Ditto.
	(firstNonzeroByteNum): Ditto.
	(lowestSetBit): Ditto.
	(magnitude): Ditto.
	(signum): Ditto.
	(serialVersionUID): New field.
	(readObject): New method.
	(writeObject): New method.
	* java/util/BitSet.java (serialVersionUID): New field.
	* java/util/Calendar.java: Replaced with Classpath file.
	* java/util/GregorianCalendar.java (GregorianCalendar): Pass result
	of getDefault() for TimeZone or Locale instead of passing nulls.
	* java/util/Locale.java (serialVersionUID): New field.
	(writeObject): New method.
	(readObject): New method.
	* java/util/SimpleTimeZone.java: Replaced with Classpath file.

Serialization mods.

From-SVN: r37080

libjava/ChangeLog

+2000-10-27  Warren Levy  <warrenl@cygnus.com>
+
+	* Makefile.am: Added locale files from Classpath.
+	* Makefile.in: Rebuilt.
+	* gnu/java/locale/Calendar.java: New file.
+	* gnu/java/locale/Calendar_de.java: New file.
+	* gnu/java/locale/Calendar_en.java: New file.
+	* gnu/java/locale/Calendar_nl.java: New file.
+	* java/lang/ClassNotFoundException.java: Replaced with Classpath file.
+	* java/math/BigDecimal.java (intVal): Renamed from 'num' for
+	serialization compatibility.
+	(scale): Made private.
+	(serialVersionUID): New field.
+	* java/math/BigInteger.java (ival): Made transient.
+	(words): Made transient.
+	(bitCount): New serialization field.
+	(bitLength): Ditto.
+	(firstNonzeroByteNum): Ditto.
+	(lowestSetBit): Ditto.
+	(magnitude): Ditto.
+	(signum): Ditto.
+	(serialVersionUID): New field.
+	(readObject): New method.
+	(writeObject): New method.
+	* java/util/BitSet.java (serialVersionUID): New field.
+	* java/util/Calendar.java: Replaced with Classpath file.
+	* java/util/GregorianCalendar.java (GregorianCalendar): Pass result
+	of getDefault() for TimeZone or Locale instead of passing nulls.
+	* java/util/Locale.java (serialVersionUID): New field.
+	(writeObject): New method.
+	(readObject): New method.
+	* java/util/SimpleTimeZone.java: Replaced with Classpath file.
+
 2000-10-25  Bryce McKinlay  <bryce@albatross.co.nz>
 
 	* Makefile.am (GCJCOMPILE): Pass --tag=GCJ to libtool.

libjava/Makefile.am

@@ -998,6 +998,10 @@ gnu/java/io/ObjectIdentityWrapper.java \
 gnu/java/lang/ArrayHelper.java \
 gnu/java/lang/ClassHelper.java \
 gnu/java/lang/reflect/TypeSignature.java \
+gnu/java/locale/Calendar.java \
+gnu/java/locale/Calendar_de.java \
+gnu/java/locale/Calendar_en.java \
+gnu/java/locale/Calendar_nl.java \
 gnu/java/security/provider/Gnu.java \
 gnu/java/security/provider/SHA.java \
 gnu/java/security/provider/SHA1PRNG.java \

libjava/Makefile.in

@@ -742,6 +742,10 @@ gnu/java/io/ObjectIdentityWrapper.java \
 gnu/java/lang/ArrayHelper.java \
 gnu/java/lang/ClassHelper.java \
 gnu/java/lang/reflect/TypeSignature.java \
+gnu/java/locale/Calendar.java \
+gnu/java/locale/Calendar_de.java \
+gnu/java/locale/Calendar_en.java \
+gnu/java/locale/Calendar_nl.java \
 gnu/java/security/provider/Gnu.java \
 gnu/java/security/provider/SHA.java \
 gnu/java/security/provider/SHA1PRNG.java \
@@ -1256,6 +1260,8 @@ DEP_FILES =  .deps/$(srcdir)/$(CONVERT_DIR)/gen-from-JIS.P \
 .deps/gnu/java/io/ObjectIdentityWrapper.P \
 .deps/gnu/java/lang/ArrayHelper.P .deps/gnu/java/lang/ClassHelper.P \
 .deps/gnu/java/lang/reflect/TypeSignature.P \
+.deps/gnu/java/locale/Calendar.P .deps/gnu/java/locale/Calendar_de.P \
+.deps/gnu/java/locale/Calendar_en.P .deps/gnu/java/locale/Calendar_nl.P \
 .deps/gnu/java/security/provider/Gnu.P \
 .deps/gnu/java/security/provider/SHA.P \
 .deps/gnu/java/security/provider/SHA1PRNG.P .deps/interpret.P \

libjava/gnu/java/locale/Calendar.java

+/* Calendar.java -- Default Calendar locale data
+   Copyright (C) 1999 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package gnu.java.locale;
+
+import java.util.ListResourceBundle;
+import java.util.Locale;
+import java.util.Date;
+
+/**
+ * This class contains locale data for java.util.Calendar.<br>
+ *
+ * If you localize this to another language only set fields, that
+ * you change.  See Calendar_de for an example.  Also add your
+ * locale to this list of availableLocales below in this(!) file.
+ *
+ * @author Jochen Hoenicke
+ */
+public class Calendar extends ListResourceBundle
+{
+  /**
+   * The locales for which Calendar is localized.
+   */
+  private static final Locale[] availableLocales = {
+    Locale.GERMAN, Locale.ENGLISH, new Locale("nl", "")
+  };
+
+  /**
+   * This is the default calendar class, that is returned on
+   * java.util.Calendar.getInstance().
+   * @see java.util.Calendar#getInstance()
+   */
+  private static final String calendarClass = "java.util.GregorianCalendar";
+  
+  /**
+   * This is used by java.util.Calendar.
+   * @see java.util.Calendar#getFirstDayOfWeek()
+   */
+  private static final Integer firstDayOfWeek
+    = new Integer(java.util.Calendar.SUNDAY);
+  /**
+   * This is used by java.util.Calendar.
+   * @see java.util.Calendar#getMinimalDaysInFirstWeek()
+   */
+  private static final Integer minimalDaysInFirstWeek = new Integer(1);
+
+  /**
+   * The point at which the Gregorian calendar rules were used.
+   * The default for most catholic
+   * countries is midnight (UTC) on October 5, 1582 (Julian),
+   * or October 15, 1582 (Gregorian).
+   * @see java.util.GregorianCalendar#getGregorianCutOver
+   */
+  /* If you change this date be aware, that this formular does only 
+   * work for months from MARCH to DECEMBER and doesn't work in 
+   * leap years (look in java.util.GregorianCalendar.getDayOfYear for
+   * more info).
+   */
+  private static final Date gregorianCutOver = new Date
+  ((24*60*60*1000L) *
+   (((1582*(365*4+1))/4 + 
+     (java.util.Calendar.OCTOBER*(31+30+31+30+31) - 9) / 5 + 5) -
+    ((1970*(365*4+1))/4 + 1 - 13)));
+  
+  /**
+   * This is the object array used to hold the keys and values
+   * for this bundle
+   */
+  private static final Object[][] contents =
+  {
+    { "availableLocales", availableLocales },
+    { "calendarClass", calendarClass },
+    { "firstDayOfWeek", firstDayOfWeek },
+    { "minimalDaysInFirstWeek", minimalDaysInFirstWeek },
+    { "gregorianCutOver", gregorianCutOver }
+  };
+
+  /**
+   * This method returns the object array of key, value pairs containing
+   * the data for this bundle.
+   *
+   * @return The key, value information.
+   */
+  public Object[][] getContents()
+  {
+    return(contents);
+  }
+}

libjava/gnu/java/locale/Calendar_de.java

+/* Calendar_de.java -- German calendar locale data
+   Copyright (C) 1999 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package gnu.java.locale;
+
+import java.util.ListResourceBundle;
+import java.util.Calendar;
+
+/**
+ * This class contains locale data for java.util.Calendar specific for 
+ * german language.
+ * @author Jochen Hoenicke
+ */
+public class Calendar_de extends ListResourceBundle
+{
+  /**
+   * This is the object array used to hold the keys and values
+   * for this bundle
+   */
+  private static final Object[][] contents =
+  {
+    { "firstDayOfWeek", new Integer(Calendar.MONDAY) },
+    { "minimalDaysInFirstWeek", new Integer(4) },
+  };
+
+  /**
+   * This method returns the object array of key, value pairs containing
+   * the data for this bundle.
+   *
+   * @return The key, value information.
+   */
+  public Object[][] getContents()
+  {
+    return contents;
+  }
+}

libjava/gnu/java/locale/Calendar_en.java

+/* Calendar_en.java -- English calendar locale data
+   Copyright (C) 1999 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package gnu.java.locale;
+
+import java.util.ListResourceBundle;
+import java.util.Calendar;
+
+/**
+ * This class contains locale data for java.util.Calendar specific for 
+ * english language.
+ * @author Jochen Hoenicke
+ */
+public class Calendar_en extends ListResourceBundle
+{
+  /**
+   * This is the object array used to hold the keys and values
+   * for this bundle
+   */
+  private static final Object[][] contents =
+  {
+    /* Use default values. */
+  };
+
+  /**
+   * This method returns the object array of key, value pairs containing
+   * the data for this bundle.
+   *
+   * @return The key, value information.
+   */
+  public Object[][] getContents()
+  {
+    return contents;
+  }
+}

libjava/gnu/java/locale/Calendar_nl.java

+/* Calendar_nl.java -- Dutch calendar locale data
+   Copyright (C) 1999 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package gnu.java.locale;
+
+import java.util.ListResourceBundle;
+import java.util.Calendar;
+
+/**
+ * This class contains locale data for java.util.Calendar specific for 
+ * dutch language.
+ * @author Mark Wielaard
+ */
+public class Calendar_nl extends ListResourceBundle
+{
+  /**
+   * This is the object array used to hold the keys and values
+   * for this bundle
+   */
+  private static final Object[][] contents =
+  {
+    { "firstDayOfWeek", new Integer(Calendar.MONDAY) },
+
+    /* XXX - I guess the default for gregorianCutover 
+     * is also true for the Netherlands. But is it?
+     */
+  };
+
+  /**
+   * This method returns the object array of key, value pairs containing
+   * the data for this bundle.
+   *
+   * @return The key, value information.
+   */
+  public Object[][] getContents()
+  {
+    return contents;
+  }
+}

libjava/java/lang/ClassNotFoundException.java

-/* Copyright (C) 1998, 1999, 2000  Free Software Foundation
+/* ClassNotFoundException.java -- exception thrown when attempting to load
+   a class when no definition for the class can be found.
+   Copyright (C) 1998 Free Software Foundation, Inc.
 
-   This file is part of libgcj.
+This file is part of GNU Classpath.
 
-This software is copyrighted work licensed under the terms of the
-Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
-details.  */
+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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
 package java.lang;
- 
+
+import java.io.ObjectOutputStream;
+import java.io.ObjectInputStream;
+import java.io.IOException;
+import java.io.PrintStream;
+import java.io.PrintWriter;
+
 /**
- * @author Warren Levy <warrenl@cygnus.com>
- * @date September 18, 1998.  
+ * Exceptions may be thrown by one part of a Java program and caught
+ * by another in order to deal with exceptional conditions.  This 
+ * exception can by thrown by specific methods of <code>ClassLoader</code>
+ * and <code>Class</code> when attempting to load a class when no definition
+ * for the specified class can be found.
+ *
+ * @since JDK 1.0
+ * 
+ * @author Brian Jones
  */
-/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
- * "The Java Language Specification", ISBN 0-201-63451-1
- * plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
- * Status:  Believed complete and correct.
- */
- 
 public class ClassNotFoundException extends Exception
 {
-  // TODO12:
-  // Throwable ex;
+  static final long serialVersionUID = 9176873029745254542L;
 
+  private Throwable ex = null;
+  
+  /**
+   * Create an exception without a message.
+   */
   public ClassNotFoundException()
-  {
-    super();
-  }
-
-  // TODO12:
-  // public ClassNotFoundException(String msg, Throwable ex)
-  // {
-  //   FIXME: Set 'ex' here.
-  // }
-
-  public ClassNotFoundException(String msg)
-  {
-    super(msg);
-  }
-
-  // TODO12:
-  // public Throwable getException()
-  // {
-  // }
-
-  // TBD: if this needs to be implemented
-  // public void printStackTrace()
-  // {
-  // }
-
-  // TBD: if this needs to be implemented
-  // public void printStackTrace(PrintStream ps)
-  // {
-  // }
-
-  // TBD: if this needs to be implemented
-  // public void printStackTrace(PrintWriter pw)
-  // {
-  // }
+    {
+      super();
+    }
+
+  /**
+   * Create an exception with a message.
+   */
+  public ClassNotFoundException(String s)
+    {
+      super(s);
+    }
+
+  /**
+   * Create an exception with a message and include the exception 
+   * which occurred while loading the class.
+   *
+   * @param ex the exception which occurred while loading the class
+   *
+   * @since JDK 1.2
+   */
+  public ClassNotFoundException(String s, Throwable ex)
+    {
+      super(s);
+      this.ex = ex;
+    }
+
+  /**
+   * Returns the exception which occurred while loading the class, 
+   * otherwise returns null.
+   * 
+   * @since JDK 1.2
+   */
+  public Throwable getException()
+    {
+      return ex;
+    }
+
+  /**
+   * Print a stack trace of the exception that occurred.
+   */
+  public void printStackTrace()
+    {
+      if (ex == null)
+        {
+          super.printStackTrace();
+        }
+      else
+        {
+          ex.printStackTrace();
+        }
+    }
+
+  /**
+   * Print a stack trace of the exception that occurred to 
+   * the specified <code>PrintStream</code>.
+   */
+  public void printStackTrace(PrintStream ps)
+    {
+      if (ex == null)
+        {
+          super.printStackTrace(ps);
+        }
+      else
+        {
+          ex.printStackTrace(ps);
+        }
+    }
+
+  /**
+   * Print a stack trace of the exception that occurred to 
+   * the specified <code>PrintWriter</code>.
+   */
+  public void printStackTrace(PrintWriter pw)
+    {
+      if (ex == null)
+        {
+          super.printStackTrace(pw);
+        }
+      else
+        {
+          ex.printStackTrace(pw);
+        }
+    }
+
+  /**
+   * Serialize the object in a manner binary compatible with the JDK 1.2
+   */
+  private void writeObject(java.io.ObjectOutputStream s) 
+    throws IOException
+    {
+      ObjectOutputStream.PutField oFields;
+      oFields = s.putFields();
+      oFields.put("ex", this.ex);
+      s.writeFields(); 
+    }
+
+  /**
+   * Deserialize the object in a manner binary compatible with the JDK 1.2
+   */    
+  private void readObject(java.io.ObjectInputStream s)
+    throws IOException, ClassNotFoundException
+    {
+      ObjectInputStream.GetField oFields;
+      oFields = s.readFields();
+      ex = (Throwable)oFields.get("ex", (Throwable)null);
+    }
 }

libjava/java/math/BigDecimal.java

@@ -29,8 +29,9 @@ package java.math;
 import java.math.BigInteger;
 
 public class BigDecimal extends Number implements Comparable {
-  BigInteger num;
-  int scale;
+  private BigInteger intVal;
+  private int scale;
+  private static final long serialVersionUID = 6108874887143696463L;
 
   private final static BigDecimal ZERO = 
     new BigDecimal (BigInteger.valueOf (0), 0);
@@ -56,7 +57,7 @@ public class BigDecimal extends Number implements Comparable {
   {
     if (scale < 0) 
       throw new NumberFormatException ("scale of " + scale + " is < 0");
-    this.num = num;
+    this.intVal = num;
     this.scale = scale;
   }
 
@@ -68,7 +69,7 @@ public class BigDecimal extends Number implements Comparable {
   public BigDecimal (String num) throws NumberFormatException 
   {
     int point = num.indexOf('.');
-    this.num = new BigInteger (point == -1 ? num :
+    this.intVal = new BigInteger (point == -1 ? num :
 			       num.substring (0, point) + 
 			       num.substring (point + 1));
     scale = num.length() - (point == -1 ? num.length () : point + 1);
@@ -99,8 +100,8 @@ public class BigDecimal extends Number implements Comparable {
     // For addition, need to line up decimals.  Note that the movePointRight
     // method cannot be used for this as it might return a BigDecimal with
     // scale == 0 instead of the scale we need.
-    BigInteger op1 = num;
-    BigInteger op2 = val.num;
+    BigInteger op1 = intVal;
+    BigInteger op2 = val.intVal;
     if (scale < val.scale)
       op1 = op1.multiply (BigInteger.valueOf (10).pow (val.scale - scale));
     else if (scale > val.scale)
@@ -116,7 +117,7 @@ public class BigDecimal extends Number implements Comparable {
 
   public BigDecimal multiply (BigDecimal val) 
   {
-    return new BigDecimal (num.multiply (val.num), scale + val.scale);
+    return new BigDecimal (intVal.multiply (val.intVal), scale + val.scale);
   }
 
   public BigDecimal divide (BigDecimal val, int roundingMode) 
@@ -135,13 +136,13 @@ public class BigDecimal extends Number implements Comparable {
     if (scale < 0)
       throw new ArithmeticException ("scale is negative: " + scale);
 
-    if (num.signum () == 0)	// handle special case of 0.0/0.0
+    if (intVal.signum () == 0)	// handle special case of 0.0/0.0
       return ZERO;
     
-    BigInteger dividend = num.multiply (BigInteger.valueOf (10).pow 
+    BigInteger dividend = intVal.multiply (BigInteger.valueOf (10).pow 
 					(newScale + 1 - (scale - val.scale)));
     
-    BigInteger parts[] = dividend.divideAndRemainder (val.num);
+    BigInteger parts[] = dividend.divideAndRemainder (val.intVal);
 //      System.out.println("int: " + parts[0]);
 //      System.out.println("rem: " + parts[1]);
 
@@ -194,12 +195,12 @@ public class BigDecimal extends Number implements Comparable {
   public int compareTo (BigDecimal val) 
   {
     if (scale == val.scale)
-      return num.compareTo (val.num);
+      return intVal.compareTo (val.intVal);
 
     BigInteger thisParts[] = 
-      num.divideAndRemainder (BigInteger.valueOf (10).pow (scale));
+      intVal.divideAndRemainder (BigInteger.valueOf (10).pow (scale));
     BigInteger valParts[] =
-      val.num.divideAndRemainder (BigInteger.valueOf (10).pow (val.scale));
+      val.intVal.divideAndRemainder (BigInteger.valueOf (10).pow (val.scale));
     
     int compare;
     if ((compare = thisParts[0].compareTo (valParts[0])) != 0)
@@ -263,7 +264,7 @@ public class BigDecimal extends Number implements Comparable {
 
   public BigDecimal movePointLeft (int n)
   {
-    return (n < 0) ? movePointRight (-n) : new BigDecimal (num, scale + n);
+    return (n < 0) ? movePointRight (-n) : new BigDecimal (intVal, scale + n);
   }
 
   public BigDecimal movePointRight (int n)
@@ -272,15 +273,15 @@ public class BigDecimal extends Number implements Comparable {
       return movePointLeft (-n);
 
     if (scale >= n)
-      return new BigDecimal (num, scale - n);
+      return new BigDecimal (intVal, scale - n);
 
-    return new BigDecimal (num.multiply 
+    return new BigDecimal (intVal.multiply 
 			   (BigInteger.valueOf (10).pow (n - scale)), 0);
   }
 
   public int signum () 
   {
-    return num.signum ();
+    return intVal.signum ();
   }
 
   public int scale () 
@@ -290,17 +291,17 @@ public class BigDecimal extends Number implements Comparable {
   
   public BigDecimal abs () 
   {
-    return new BigDecimal (num.abs (), scale);
+    return new BigDecimal (intVal.abs (), scale);
   }
 
   public BigDecimal negate () 
   {
-    return new BigDecimal (num.negate (), scale);
+    return new BigDecimal (intVal.negate (), scale);
   }
 
   public String toString () 
   {
-    String bigStr = num.toString();
+    String bigStr = intVal.toString();
     if (scale == 0) 
       return bigStr;
 
@@ -322,7 +323,8 @@ public class BigDecimal extends Number implements Comparable {
 
   public BigInteger toBigInteger () 
   {
-    return scale == 0 ? num : num.divide (BigInteger.valueOf (10).pow (scale));
+    return scale == 0 ? intVal :
+      intVal.divide (BigInteger.valueOf (10).pow (scale));
   }
 
 

libjava/java/math/BigInteger.java

@@ -11,6 +11,9 @@ details.  */
 package java.math;
 import gnu.gcj.math.*;
 import java.util.Random;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.IOException;
 
 /**
  * @author Warren Levy <warrenl@cygnus.com>
@@ -35,8 +38,17 @@ public class BigInteger extends Number implements Comparable
    * If words == null, the ival is the value of this BigInteger.
    * Otherwise, the first ival elements of words make the value
    * of this BigInteger, stored in little-endian order, 2's-complement form. */
-  private int ival;
-  private int[] words;
+  transient private int ival;
+  transient private int[] words;
+
+  // Serialization fields.
+  private int bitCount = -1;
+  private int bitLength = -1;
+  private int firstNonzeroByteNum = -2;
+  private int lowestSetBit = -2;
+  private byte[] magnitude;
+  private int signum;
+  private static final long serialVersionUID = -8287574255936472291L;
 
 
   /** We pre-allocate integers in the range minFixNum..maxFixNum. */
@@ -2201,4 +2213,22 @@ public class BigInteger extends Number implements Comparable
       }
     return isNegative() ? x_len * 32 - i : i;
   }
+
+  private void readObject(ObjectInputStream s)
+    throws IOException, ClassNotFoundException
+  {
+    s.defaultReadObject();
+    words = byteArrayToIntArray(magnitude, signum < 0 ? -1 : 0);
+    BigInteger result = make(words, words.length);
+    this.ival = result.ival;
+    this.words = result.words;
+  }
+
+  private void writeObject(ObjectOutputStream s)
+    throws IOException, ClassNotFoundException
+  {
+    signum = signum();
+    magnitude = toByteArray();
+    s.defaultWriteObject();
+  }
 }

libjava/java/util/BitSet.java

@@ -174,4 +174,5 @@ public final class BitSet implements Cloneable, Serializable
 
   // The actual bits.
   private long[] bits;
+  private static final long serialVersionUID = 7997698588986878753L;
 }

libjava/java/util/GregorianCalendar.java

-/* Copyright (C) 1998, 1999  Free Software Foundation
+/* Copyright (C) 1998, 1999, 2000  Free Software Foundation
 
    This file is part of libgcj.
 
@@ -93,17 +93,17 @@ public class GregorianCalendar extends Calendar {
 
   public GregorianCalendar ()
   {
-    this(null, null);
+    this(TimeZone.getDefault (), Locale.getDefault ());
   }
 
   public GregorianCalendar (TimeZone zone)
   {
-    this (zone, null);
+    this (zone, Locale.getDefault ());
   }
 
   public GregorianCalendar (Locale locale)
   {
-    this (null, locale);
+    this (TimeZone.getDefault (), locale);
   }
 
   public GregorianCalendar (TimeZone zone, Locale locale)

libjava/java/util/Locale.java

@@ -26,6 +26,7 @@ public final class Locale implements java.io.Serializable, Cloneable
   private String language;
   private String variant;
   private static Locale defaultLocale;
+  private static final long serialVersionUID = 9149081749638150636L;
 
   // These are as specified in the JDK 1.2 AP documentation
 
@@ -145,4 +146,28 @@ public final class Locale implements java.io.Serializable, Cloneable
       }
     return result.toString();
   }
+
+ /**
+   * @serialdata According to jdk1.2 the hashcode should always be 
+   * written as -1; 
+   */
+  private void writeObject(java.io.ObjectOutputStream output)
+    throws java.io.IOException
+  {
+    int tmpHashcode = hashcode;
+    hashcode = -1;
+    output.defaultWriteObject();
+    hashcode = tmpHashcode;
+  }
+
+  /**
+   * @serialdata  According to jdk1.2 the hashCode is always invalid
+   * and must be recomputed.
+   */
+  private void readObject(java.io.ObjectInputStream input)
+    throws java.io.IOException, ClassNotFoundException
+  {
+    input.defaultReadObject();
+    hashcode = language.hashCode() ^ country.hashCode() ^ variant.hashCode();
+  }
 }