Download Mysaifu JVM

1. Latest version

Binaries/Source

You can download from SourceForge.jp.

2. How to install

1. Copy the CAB file to \My Documents.
2. Tap the CAB file.
   Program is installed under \Program Files\Mysaifu JVM folder.

3. How to uninstall

 Select "Mysaifu JVM" in "Settings - Remove Programs".

4. ChangeLog

0.4.6 -> 0.4.7

JVM
• FIXED:Removed horizontal scroll bar from console window.(Bug #19144)
• FIXED:Don't call AccessController.doPrivileged() when the SecurityManager is not set. (Bug #19110)
JNI
• FIXED:JVM crash when JavaVM->GetEnv() called.(Bug #19173)
• FIXED:When the JNI function throws Exceptions, JVM crashed.(Bug #19181)
AWT native interface (JAWT)
• FIXED:JAWT crash when the Component has no native peer. (Bug #19161)
Package java.lang
• FIXED:System.currentTimeMillis() returns wrong value.(Bug #19106)

0.4.5 -> 0.4.6

JVM

• Changed file search algorythm in rt.jar (linear search -> binary search).
• FIXED:NoClassDefFoundError occurres when class initialization failed. JVM must throw ExceptionInInitializerError.(Bug #19034)
• FIXED:Same DLL can be loaded by multiple class loaders.(Bug #19040)

Package java.awt

• FIXED:Cannot display chinese font in English version OS.(Bug #9674, Bug #14239)
• FIXED:Font size is incorrect.(Bug #15422)
• Graphics.drawImage (Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, ImageObserver observer) throws AWTError when img is instanceof BufferdImage.(Bug #15943)
• FIXED:Graphics.drawPolyline() throws AWTError when parameter size less than 1.(Bug #16996)
• FIXED:Scroll range of ScrollPane is wrong.(Bug #17511)
• FIXED: Toolkit.getSystemClipboard() does not check caller's permission.(Bug #18901)
• FIXED:Many classes in java.awt package don't work when the SecurityManager is set.(Bug #18902)

Package java.io

• ByteArrayOutputStream always throws AccessControlException when the SecurityManager is set.(Bug #19047)

Package java.lang

• FIXED:Return value of System.getProperty("java.home") is wrong.(Bug #18877)
• FIXED:Return value of Class.getInterfaces() is wrong.(Bug #18893)
• FIXED:Main thread's ThreadGroup has no parent.(Bug #18914)
• FIXED:Cannot load class when the SecurityManager does not permit to access java.class.path(Bug #18921)
• FIXED:AccessControlException occurred in ClassLoader.getResource()(Bug #18938, Bug #18940)
• FIXED:Constructor String(byte[] data, int offset, int count) throws AccessControlExceptionwhen the SecurityManager is set.(Bug #18955)

Package java.lang.reflect

• FIXED:Method.invoke() does not throw InvocationTargetException.(Bug #18990)

Package java.net

• FIXED:"jar:" protocol's URLConnection.getPermission() always returns AllPermission.(Bug #18975)

Package java.security

• FIXED: JVM hangs up when the SecurityManager is set.(Bug #16092)

Package java.util.zip

• FIXED:Exception occurres in ZipInputStream.getNextEntry() after getNextEntry() returns null.(Bug #15428)

Package javax.sound.sampled

• FIXED:AccessControlException occurres when SecurityManager is set. (Bug #19044)

Package gnu.classpath

• FIXED:ServiceFactory always throws AccessControlException when SecurityManageris set.(Bug #19046)

0.4.4 -> 0.4.5

JVM
• FIXED: Wrong parameter passed ClassLoader.loadClass(String) from VM. (Bug #12218)
Package java.awt
• FIXED: Graphics.drawString(String, int, int) throws AWTError when empty String passed. (Bug #15250)
• FIXED: GraphicsConfiguration.createCompatibleImage() always throws Exception.(Bug #15251)
• FIXED: Paint result with GradientPaint is wrong. (Bug #15293)
• FIXED: Graphics.drawLine(int x1, int y1, int x2, int y2) does not draw point x2, y2.(Bug #15318)
• FIXED: Component.createVolatileImage(int, int) always returns null. (Bug #15370)
• FIXED: Robot class is not implemented.(Bug #15374)
• FIXED: Return value of Component.createImage(int width, int height) is not a subclass of BufferedImage. (Bug #15171)

0.4.3 -> 0.4.4

Package java.awt
• FIXED: AWT components are transparent.(Bug #12678)
• FIXED:WindowEvent.WINDOW_CLOSING not occurred when "smart minimize" button tapped.(Bug #14074)
  To enable event, set following system property "true".
  gnu.java.awt.peer.wce.enableWindowClosingEvent
  This property only works on Windows Mobile 5.0 or later.
• FIXED:MouseEvent.getClickCount() always returns 1.(Bug #15110)

0.4.2 -> 0.4.3

Package java.awt
• FIXED: Resource leak in BufferedImage.getGraphics().(Bug #14778)
• FIXED: Following code does not work correctly. (Bug #15066)

  BufferedImage img = new BufferedImage(...);
  Graphics2D g = img.createGraphics();
  Graphics2D g2 = g.create();
  g2.drawRectngle();
  g.drawString();
  

Package java.lang.reflect
• FIXED:Class.getAnnotations(), Method.getAnnotations(), Field.getAnnotations() always returns empty array.(Bug #14996)

0.4.1 -> 0.4.2

JVM
• FIXED: Shutdown hook thread not executed(Bug #14218)
JNI
• FIXED: Pass a wrong value to the Java method which has boolean, byte, char, short, or float argument via CallXXX() function.(Bug #14662)
Package java.awt
• Implemented Font.createFont(). (Feature Request #10411)
• Implemented Graphics2D.fill(Shape) and Graphics2D.draw(Shape). Now you can fill and draw any Shape object.(Feature Request #9123)
Package java.net
• FIXED: MulticastSocket.setNetworkInterface() always throws Exception. (Bug #14132)

0.4.0 -> 0.4.1

JVM
• Added -Xmemusage option. (Feature request #12694)
• Fixed: JVM crashed when try to execute JAR file. (Bug #14098)
Pacakge java.awt
• Fixed: GraphicsEnvironment.getAvailableFontNames(), .getAllFonts() returns empty array. (Bug #9675)
• Fixed: MenuBar.add(Menu) cannot assign "left soft key" in Windows Mobile 5.0/6.0/6.1. (Bug #12910)
Package java.io
• Fixed: File.delete() failes when File is a directory. (Bug #14088)
Package java.net
• Fixed: Exception occurred in DatagramSocket.receive(DatagramPacket) when the message is longer than the packet's length.
Package javax.sound.sampled
• Fixed: Exception occurred in AudioSystem.getClip().(Bug #12644)

0.3.9 -> 0.4.0

JVM
• FIXED:Command line option -classpath omits more than 256 characters.(Bug #12863)
Package java.awt

• FIXED:TextArea.setText(TextArea.getText()); brokes string.(Bug #12914)
Package java.lang
• FIXED: Interface.class.getSuperclass() returns Object.class.(Bug #12796)
• FIXED:String.toLowerCase() returns wrong value.(Bug #12878)

0.3.8 -> 0.3.9

JVM
• FIXED:VerifyError occurred when VM loads a class which has a private final method. (Bug #12474)
• FIXED:VM crashed when a method called which has more than 16 arguments.
• FIXED:When -Xbootclasspath option has more than two paths, JVM hang. (Bug #12627)
Package java.awt
• FIXED:TextArea displays square symbol when "\n" is passed. (Bug #12384)
• FIXED:Font always ignores logical font name.(Bug #12716)
Package java.io
• FIXED:FileOutputStream() always creates a new file.(Bug #12481)
Package java.lang
• FIXED:JVM crashed when System.getenv() called.(Bug #12697)
Package java.util.concurrent
• FIXED:UnsatisfiedLinkError occurred.(Bug #12483)

0.3.7 -> 0.3.8

JVM
• FIXED:VerifyError occurred when loaded dynamic proxy class.
JNI
• FIXED: JVM crashed when called JNI method which has primitive array argument. (Bug #12411)
java.net package
• FIXED: DatagramSocket.receive() always throws SocketException. (Bug #12360)
Package java.nio
• Updated libiconv (libiconv-1.9.2 -> libiconv-1.12)
  (Feature Request #12421)
Package javax.sound.sampled
• FIXED: Heap error occurred in end of playback.(Bug #12410)

0.3.6 -> 0.3.7

JVM
• Updated class library (GNU Classpath 0.97.1).
• When target method is static in invokevirtual or invokespecial opcode, JVM throws IncompatibleClassChangeError.
• JVM throws IncompatibleClassChangeError when target method is not static in invokestatic opcode.
• JVM throws IllegalAccessError when target method is not public in invokeinterface opcode.
• Improve performance of invokevirtual, invokespecial, and invokestatic opcodes.
• Changed Java method call processing. (internal)
• Output stack trace to the dump file when Win32 exception occurred.
• Changed default "Java stack size" and "Native stack size"
  - Java stack size : 4KB -> 32KB
  - Native stack size : 320KB -> 160KB
• Improve performance of final class and method.
• Improve performance of method which has only return opcode.
• Reduce memory footprints of String.intern().
• Support WIDE RET opcode.
• FIXED: No stack trace element in ExceptionInInitializationError.
• Moved "kmmalloc" to libwce.dll. Now all DLLs use kmmalloc to allocate memory.
JNI
• FIXED: JVM ignores shortage of local references area.
• FIXED: JVM crashed when invoke super class's private method via JNI. (Bug #11980)
• FIXED: Failed to load class in JNI_OnLoad() (Bug #12354)
Package java.awt
• Added class Desktop.
• FIXED: Stylus drag problem.(Bug #12177)
• Added new system property gnu.java.awt.peer.wce.disableTapAndHold. If this property sets true, AWT native library does not recognize your tap & hold gesture.
• Support MouseWheelEvent.
• Support GIF file transparency, and animation GIF.
• FIXED: List.select(int) does not work.(Bug #12363)
• FIXED: Contents and status are lost when TextField, TextArea, List removed from Container.(Bug #10257, Bug #12380)
Package java.lang
• FIXED: Time discrete is so big (Bug #12099)
Package javax.xml
FIXED: SAXParser.getParser()always returns null.(Bug #12213)

0.3.5 -> 0.3.6

JVM
• Updated class library (GNU Classpath 0.96.1)
• FIXED:Cannot encode c >= 0x0800 character to UTF-8(Bug #11821)
Package java.awt
• FIXED:Choice.getSelectedItem()does not work.(Bug #11899)
• Now Graphics2D.drawImage(Image, int, int, int, int, ImageObserver) support BufferedImage.(Bug #11748)
• TextArea.getPreferredSize() returns default size (row=5, col=30) when specified 0 to row or col.
Package java.lang
• FIXED:JVM crashed when Double.toString(String)called.
Package java.net
• Support timeout Socket class.
Package java.nio
• Now you can write the file which mapped by FileChannel.map(). But only works on Windows Mobile 5 or later version.

0.3.4 -> 0.3.5

JVM
• FIXED:JVM crashes when apply array object to instanceof instruction. (Bug #11769)
Package java.awt
• FIXED:ArrayIndexOutOfBoundsException occurred in Image.setPixels().(Bug #11771)
Package java.io
• FIXED: ObjectStreamClass checks serialVersionUID of array object.(Bug #11734)
Package java.nio
• Implemented FileChannel.lock(). It only works on Windows Mobile 5.0 or later (Feature Request #7497)

0.3.3 -> 0.3.4

JVM
• Updated malloc() library. (kmmalloc-2.5.3)

0.3.2 -> 0.3.3

Package java.awt
• Implemented Graphics2D.setStroke(Stroke). (Only BasicStroke is supported)
• Implemented Graphics2D.draw(Shape)
JNI
• FIXED:JVM crashed when CallVoidMethod() called B.method() in the following code.

  
  public interface I {
    public void method();
  }
  
  public class A implements I {
    public void method() {}
  }
  
  public class B extends A {
  }
  

JVM
• FIXED:Failed to cast in the following code.
  

  byte[][] b = new byte[1][1];
  Object[] o = (Object[]) b;
  

• Improves perfomance of finalization.

0.3.1 -> 0.3.2

Package java.awt
• FIXED:FocusEvent is not notified to LightWeight component.
• FIXED:ArrayIndexOutOfBoundsException occurred in Frame.getFrames().
• FIXED:Resource leak in Graphics.clearRect(), dispose().
• Implemented Graphics2D.setPaint(Paint) method. Only Color, GradiantPaint, and TexturePaint are supported.
• Now Graphics.drawImage(Image, int, int) can draw a BufferedImage.
• Implemented GraphicsEnvironment.createGraphics(BufferedImage).
• FIXED:PopupMenu does not work.
Package java.io
• FIXED:File.toURI() returns wrong value.
Package javax.swing
• FIXED:JTextField does not work.
JVM
• Added -Xoss option.
• Added -Xss option.
• Added -Xlogfile: option.
• Now StackOverflowError has StackTraceElements.

0.3.0 -> 0.3.1

Package gnu.classpath
• FIXED: Memory leak in VMStackWalker.getClassContext().
Package java.lang
• FIXED: Memory leak in Object.wait().
Package java.util.prefs
• FIXED: UnsatisfiedLinkError occurred.
JVM
• Reduced address calculation in bytecode execution.
• Reduced function call of following bytecodes:
  • baload, saload, caload, saload, iaload, faload, laload, aaload, bastore, sastore, castore, sastore, iastore, fastore, lastore, aastore
• FIXED: Illegal operand stack status in <clinit> method.
• FIXED: Invalid line number displayed in Throwable.printStackTrace().
• Improved perfomance of following bytecodes:
  • new, invokevirtual, invokestatic, invokespecial, instanceof, getfield, putfield
• Reduced memory footprint of the ClassFile structure.

0.2.9 -> 0.3.0

General
• Changed compiler. (eMbedded Visual C++ 4.0 -> Visual Studio 2005)
• Changed source code directory structure.
Package java.awt
• FIXED: Return type of WCETextComponentPeer.setNativeCaretPosition() method is wrong.
• Added AWT Native Interface (jawt.dll).
JVM
• FIXED: When "Configuration" dialog is open, "Today" is masked.
• FIXED: Cannot stop JVM process.
• Now "Default classpath" and "Default current directory" can be changed by registry settings.(HKCU\Software\Mysaifu\Mysaifu JVM\DefaultClassPath and HKCU\Software\Mysaifu JVM\DefaultCurrentDirectory)

0.2.8 -> 0.2.9

Package java.awt
• FIXED: Font.layoutGlyphVector() always throws UnsupportedOperationException.
• FIXED: MouseEvent.getModifies() returns wrong value. (Not included InputEvent.BUTTON1_MASK)
• When component tapped, AWT library posts not only MouseEvent.MOUSE_PRESSED event, but also MouseEvent.MOUSE_MOVED event.
• FIXED: Fourth Menu on the MenuBar cannot be active.
• FIXED: GraphicsDevice.setFullScreenWindow(Window) always throws UnsatisfiedLinkError. (Native method had a wrong name)
• FIXED: The return value of GraphicsEnvironment.getMaximumWindowBounds() is incorrect.
Package java.util
• ZipException includes the file name when file open operation is failed.
Package javax.xml
• FIXED: UnsatisfiedLinkError occurred.
JNI
• Implemented following functions:
  • GetPrimitiveArrayCritical()
  • ReleasePrimitiveArrayCritical()
  • GetJavaVM()
  • GetEnv()
  • JNI_GetCreatedJavaVMs()
• JVM calles JNI_OnLoad() in the DLL.
• GetVersion() returns JNI_VERSION_1_2.
JVM
• Class library is updated (GNU Classpath 0.91 -> GNU Classpath 0.92)
• Suport Microsoft Windows Mobile 5.0.
• Deleted jre\bin\errono.dll.
• Added following files.
  • jre\bin\libwce.dll
  • jre\bin\libxml2.dll
  • jre\bin\libxslt.dll
  • jre\bin\xmlj.dll
• System property java.class.version is changed from "46.0" to "49.0".
• FIXED: Heap error occurred when following code executed:

  String[][] array = new String[4][1];
  

• FIXED: Win32 exception "Access violation" occurred in invokevirtual instruction.

0.2.7 -> 0.2.8

Package java.awt
• FIXED: WindowPeer.getBounds() always returns null.
• FIXED: TextArea.SCROLLBARS_NONE flag is ignored.
• FIXED: MenuItem.setEnabled(boolean) does not work.
• FIXED: Menu.insert() does not work correctly.
JNI
• Implemented following methods.
  • GetBooleanArrayRegion()
  • GetByteArrayRegion()
  • GetCharArrayRegion()
  • GetShortArrayRegion()
  • GetIntArrayRegion()
  • GetLongArrayRegion()
  • GetFloatArrayRegion()
  • GetDoubleArrayRegion()
  • SetBooleanArrayRegion()
  • SetByteArrayRegion()
  • SetCharArrayRegion()
  • SetShortArrayRegion()
  • SetIntArrayRegion()
  • SetLongArrayRegion()
  • SetFloatArrayRegion()
  • SetDoubleArrayRegion()
  • GetStringCritical()
  • ReleaseStringCritical()
JVM
• Class library is updated (GNU Claspath 0.90 to 0.91)
• FIXED: Heap error occurred when System.out.print("\n") called.
• FIXED: IllegalAccessError occurred when arrayobj.clone() method called.(Compiled by JDK1.5)

0.2.6 -> 0.2.7

Package java.awt
• Fixed: FocusEvent problem.
JVM
• Fixed:Deadlock in Object.wait()/notify().
• Fixed:When execute the class which compiled with JDK1.5, following error occurred.
  

  Exception in thread "Thread-1" java.lang.ClassFormatError: Illegal  
  index in ldc_w
      at SoundTest.main (SoundTest.java:7)
      at java.lang.reflect.Method.invokeNative (Native Method)
      at java.lang.reflect.Method.invoke (Method.java:329)
      at java.lang.VMMainThread$1.run (VMMainThread.java)
      at java.lang.VMThread.run (VMThread.java:120)
  JVM exit.
  

0.2.5 -> 0.2.6

Package java.awt
• FIXED:Choice does not notify ItemEvent to the ItemListeners.
Package java.lang
FIXED:Process.exec() does not pass command line arguments to the child process.

0.2.4 -> 0.2.5

Package java.awt
• Call toFront() method when the first time a Frame is made visible.
JVM
• Add "Hide VM Window" option. (-Xhidevmwindow)
• Add "current directory" option (-setcwd)
• The size of CONSTANT_String structure in the memory is 8 bytes reduced.

0.2.3 -> 0.2.4

Package java.awt
• FIXED: Font size was too large.
• FIXED: The size of the rectangle drawn by Graphics.fillRect() was wrong.
• FIXED: Menu.remove(int) method does not work.
• FIXED: The drawing position of Graphics.drawString() was wrong. It corrected so that it draw according to a baseline.
• FIXED: GraphicsDevice.getDisplayMode() always returns null.
• FIXED: GraphicsDevice.setFullScreenWindow(Window) always throws NullPointerException.
Package java.swing.filechooser
• Implemented FileSystemView.
JVM
• There was unnecessary flags in array object. Deleted those flags.
• Memory usage of array object was reduced.
• Small object allocation performance was improved.

0.2.2 -> 0.2.3

Package java.awt

• Graphics.drawImage() can scale an image.

Package java.lang

• FIXED:OutOfMemoryError in System.arraycopy()

JNI

• FIXED:ExceptionCheck() always returns false.

JVM

• Class library is updated (GNU Claspath 0.20 to 0.90)
• Maximum global reference count increased. (4096 -> 8192)

0.2.1 -> 0.2.2

Package java.awt

• FIXED: NullPointerException occurred when passed null to List.add(String) method. Treated as an empty string, "".

Package java.io

• FIXED: Return value of File.toURL() is incorrect.

Package javax.sound.sampled

• Implements Windows CE classes and native library. Currently, supported format is linear-PCM (8bit/16bit).

JNI

• Implements ExceptionCheck() function.
• FIXED: Return value of ExceptionOccurred() does not registered as local reference.

Version 0.2.0 -> 0.2.1

JVM

• Class library is updated (GNU Claspath 0.19 to 0.20)
• FIXED:Win32 exception occurred when '--' included in command line parameter.

Version 0.1.9 -> 0.2.0

Package java.awt

• FIXED:Memory leak in FileDialog
• Set value of FileDialog.setFile(String) to OPENFILENAME.lpstrFile field.
• If gsgetfile.dll is available, call gsGetOpenFileName() and gsGetOpenFileName() instead of GetOpenFileName() and GetSaveFileName().

Package java.lang.reflect

• FIXED:Class is not initialized when the class is loaded by reflection.

JVM

• Check class format when load a class file.
• Check class format version when load a class file. Version must be >= 45.3.
• Bytecode verifier is partially implemented.
• Reduce memory footprint of ClassFile structure. (8bytes per class file).
• Check class name in the class file.
• Add two options.
  • -verify (Verifier is on)
  • -noverify (Verifier is off)
• Check class circularity when load a class file.
• Check loading constraints when load a class file.
• When Win32 exception occurred, JVM terminate process. New version terminate only the thread. And create a crash report file.
• Open the console window when main() method throws exception.
• Chenge design of initial dialog box.
• To edit CLASSPATH easier, file open dialog and folder select dialog is added.
• Add "Save As" function. You can save the configuration to ".mysaifu" file.
• FIXED:Heap error.
• FIXED:Argument parse bug.

Version 0.1.8 -> 0.1.9

Package java.awt

• Implemented Font.getLineMetrics() method.

Package java.lang.reflect

• FIXED:Method.getParameterTypes() method throws NullPointerException

Package java.util

• FIXED:When ZipFile failed to open a file and close() method called, VM crashed.

JVM

• Copy program counter (pc) to local variable. Performance slightly improved.

Version 0.1.7 -> 0.1.8

package java.lang.reflect

• FIXED:VM crashed when get a Method object of a private method, and pass the instance of an inherited class to invoke(Object).
  

package java.net

• Following changes applied to target_native_network.h to avoid compiler warnings.
  1. Casts 3rd parameter of setsockopt() to const char*
  2. Casts 3rd parameter of getsockopt() to char*
• FIXED: Call WSAGetLastError() instead of GetLastError() to get error code of select() function.
  

package java.nio

• Ported libiconv to Windows CE, and enabled character encoding/decoding by iconv()
• Added global variable "errno".

package java.util

• To improve performance, some methods of ZipFile class changed to native.
  New methods use Windows CE memory-mapped file system.
  
• VMTimeZone.getSysteTimeZoneId() always returned null.
  Corrected to return the formatted string such as "GMT+offset"
  

JNI

• FIXED:Illegal parameter passed to the method which has array parameter.
  
• FIXED:UnsatisfiedLinkError occurred.
• FIXED:VM is crashed when NULL passed to ThrowNew() function.

JVM

• The value corresponding to a system codepage is set to file.encoding property. Following codepage is supported.

   437: // MicrosoftR MS-DOSR United States 
   737: // Greek (OEM 437G) 
   775: // Baltic 
   850: // MS-DOS Multilingual (Latin I) 
   852: // MS-DOS (Latin II) 
   855: // IBM Cyrillic (primarily Russian) 
   857: // IBM Turkish 
   858: // MS-DOS Multilingual (Latin I + Euro) 
   860: // MS-DOS Portuguese 
   861: // MS-DOS Icelandic 
   862: // Hebrew 
   863: // MS-DOS Canadian-French 
   864: // Arabic 
   865: // MS-DOS Nordic 
   866: // MS-DOS Russian 
   869: // MS-DOS Modern Greek 
   874: // Thai 
   932: // Japanese Shift-JIS
   949: // Korean 
   950: // Chinese: Taiwan; Hong Kong SAR, PRC (Traditional Big5) 
   1250: // MicrosoftR WindowsR 3.1 Central European
   1251: // Windows 3.1 Cyrillic 
   1252: // Windows 3.1 US  
   1253: // Windows 3.1 Greek 
   1254: // Windows 3.1 Turkish 
   1255: // Hebrew 
   1256: // Arabic 
   1257: // Baltic 
   1258: // Vietnamese 

• VM sets true to gnu.classpath.nio.charset.provider.iconv property in order to enable libiconv.