--- /dev/null
+Makefile
+Makefile.in
--- /dev/null
+# used by automake to generate Makefile.in
+
+
+SUBDIRS = reference
--- /dev/null
+Makefile
+Makefile.in
--- /dev/null
+# used by automake to generate Makefile.in
+
+SUBDIRS = java gnu
--- /dev/null
+/* VMStackWalker.java -- Reference implementation of VM hooks for stack access
+ Copyright (C) 2005 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 gnu.classpath;
+
+/**
+ * This class provides access to the classes on the Java stack
+ * for reflection and security purposes.
+ *
+ * <p>
+ * This class is only available to privileged code (i.e., code loaded
+ * by the bootstrap loader).
+ *
+ * @author John Keiser
+ * @author Eric Blake <ebb9@email.byu.edu>
+ * @author Archie Cobbs
+ */
+public final class VMStackWalker
+{
+ /**
+ * Get a list of all the classes currently executing methods on the
+ * Java stack. <code>getClassContext()[0]</code> is the class associated
+ * with the currently executing method, i.e., the method that called
+ * <code>VMStackWalker.getClassContext()</code> (possibly through
+ * reflection). So you may need to pop off these stack frames from
+ * the top of the stack:
+ * <ul>
+ * <li><code>VMStackWalker.getClassContext()</code>
+ * <li><code>Method.invoke()</code>
+ * </ul>
+ *
+ * @return an array of the declaring classes of each stack frame
+ */
+ public static native Class[] getClassContext();
+
+ /**
+ * Get the class associated with the method invoking the method
+ * invoking this method, or <code>null</code> if the stack is not
+ * that deep (e.g., invoked via JNI invocation API). This method
+ * is an optimization for the expression <code>getClassContext()[1]</code>
+ * and should return the same result.
+ *
+ * <p>
+ * VM implementers are encouraged to provide a more efficient
+ * version of this method.
+ */
+ public static Class getCallingClass()
+ {
+ Class[] ctx = getClassContext();
+ if (ctx.length < 3)
+ return null;
+ return ctx[2];
+ }
+
+ /**
+ * Get the class loader associated with the Class returned by
+ * <code>getCallingClass()</code>, or <code>null</code> if no
+ * such class exists or it is the boot loader. This method is an optimization
+ * for the expression <code>getClassContext()[1].getClassLoader()</code>
+ * and should return the same result.
+ *
+ * <p>
+ * VM implementers are encouraged to provide a more efficient
+ * version of this method.
+ */
+ public static ClassLoader getCallingClassLoader()
+ {
+ Class[] ctx = getClassContext();
+ if (ctx.length < 3)
+ return null;
+ return ctx[2].getClassLoader();
+ }
+}
+
--- /dev/null
+/* VMSystemProperties.java -- Allow the VM to set System properties.
+ Copyright (C) 2004 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 gnu.classpath;
+
+import java.util.Properties;
+
+class VMSystemProperties
+{
+ /**
+ * Get the system properties. This is done here, instead of in System,
+ * because of the bootstrap sequence. Note that the native code should
+ * not try to use the Java I/O classes yet, as they rely on the properties
+ * already existing. The only safe method to use to insert these default
+ * system properties is {@link Properties#setProperty(String, String)}.
+ *
+ * <p>These properties MUST include:
+ * <dl>
+ * <dt>java.version <dd>Java version number
+ * <dt>java.vendor <dd>Java vendor specific string
+ * <dt>java.vendor.url <dd>Java vendor URL
+ * <dt>java.home <dd>Java installation directory
+ * <dt>java.vm.specification.version <dd>VM Spec version
+ * <dt>java.vm.specification.vendor <dd>VM Spec vendor
+ * <dt>java.vm.specification.name <dd>VM Spec name
+ * <dt>java.vm.version <dd>VM implementation version
+ * <dt>java.vm.vendor <dd>VM implementation vendor
+ * <dt>java.vm.name <dd>VM implementation name
+ * <dt>java.specification.version <dd>Java Runtime Environment version
+ * <dt>java.specification.vendor <dd>Java Runtime Environment vendor
+ * <dt>java.specification.name <dd>Java Runtime Environment name
+ * <dt>java.class.version <dd>Java class version number
+ * <dt>java.class.path <dd>Java classpath
+ * <dt>java.library.path <dd>Path for finding Java libraries
+ * <dt>java.io.tmpdir <dd>Default temp file path
+ * <dt>java.compiler <dd>Name of JIT to use
+ * <dt>java.ext.dirs <dd>Java extension path
+ * <dt>os.name <dd>Operating System Name
+ * <dt>os.arch <dd>Operating System Architecture
+ * <dt>os.version <dd>Operating System Version
+ * <dt>file.separator <dd>File separator ("/" on Unix)
+ * <dt>path.separator <dd>Path separator (":" on Unix)
+ * <dt>line.separator <dd>Line separator ("\n" on Unix)
+ * <dt>user.name <dd>User account name
+ * <dt>user.home <dd>User home directory
+ * <dt>user.dir <dd>User's current working directory
+ * <dt>gnu.cpu.endian <dd>"big" or "little"
+ * </dl>
+ *
+ * @param p the Properties object to insert the system properties into
+ */
+ static native void preInit(Properties properties);
+
+ /**
+ * Here you get a chance to overwrite some of the properties set by
+ * the common SystemProperties code. For example, it might be
+ * a good idea to process the properties specified on the command
+ * line here.
+ */
+ static void postInit(Properties properties)
+ {
+ }
+}
--- /dev/null
+/* VMPipe.java -- Reference implementation for VM hooks used by PipeImpl
+ Copyright (C) 2004 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 gnu.java.nio;
+
+import java.io.IOException;
+import java.nio.channels.spi.SelectorProvider;
+import gnu.classpath.Configuration;
+
+/**
+ * This class contains the native methods for gnu.java.nio.PipeImpl
+ * As such, it needs help from the VM.
+ *
+ * @author Patrik Reali
+ */
+final class VMPipe
+{
+
+ static
+ {
+ // load the shared library needed for native methods.
+ if (Configuration.INIT_LOAD_LIBRARY)
+ {
+ System.loadLibrary ("javanio");
+ }
+ }
+
+ static native void init(PipeImpl self, SelectorProvider provider)
+ throws IOException;
+}
--- /dev/null
+/* VMSelector.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 gnu.java.nio;
+
+import gnu.classpath.Configuration;
+import java.io.IOException;
+
+public final class VMSelector
+{
+ static
+ {
+ // load the shared library needed for native methods.
+ if (Configuration.INIT_LOAD_LIBRARY)
+ {
+ System.loadLibrary ("javanio");
+ }
+ }
+
+ // A timeout value of 0 means block forever.
+ static native int select (int[] read, int[] write,
+ int[] except, long timeout)
+ throws IOException;
+
+}
--- /dev/null
+/* VMFile.java -- Class for methods natively accessing files
+ 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.io;
+
+import gnu.classpath.Configuration;
+import gnu.java.io.PlatformHelper;
+
+
+/**
+ * @author Michael Koch (konqueror@gmx.de)
+ */
+final class VMFile
+{
+ // FIXME: We support only case sensitive filesystems currently.
+ static final boolean IS_CASE_SENSITIVE = true;
+ static final boolean IS_DOS_8_3 = false;
+
+ static
+ {
+ if (Configuration.INIT_LOAD_LIBRARY)
+ {
+ System.loadLibrary("javaio");
+ }
+ }
+
+ /*
+ * This native method does the actual work of getting the last file
+ * modification time. It also does the existence check to avoid the
+ * overhead of a call to exists()
+ */
+ static native long lastModified(String path);
+
+ /*
+ * This native method sets the permissions to make the file read only.
+ */
+ static native boolean setReadOnly(String path);
+
+ /**
+ * This method is used to create a temporary file
+ */
+ static native boolean create(String path) throws IOException;
+
+ /*
+ * This native function actually produces the list of file in this
+ * directory
+ */
+ static native String[] list(String dirpath);
+
+ /*
+ * This native method actually performs the rename.
+ */
+ static native boolean renameTo(String targetpath, String destpath);
+
+ /*
+ * This native method actually determines the length of the file and
+ * handles the existence check
+ */
+ static native long length(String path);
+
+ /*
+ * This native method does the actual checking of file existence.
+ */
+ static native boolean exists(String path);
+
+ /*
+ * This native method handles the actual deleting of the file
+ */
+ static native boolean delete(String path);
+
+ /*
+ * This method does the actual setting of the modification time.
+ */
+ static native boolean setLastModified(String path, long time);
+
+ /*
+ * This native method actually creates the directory
+ */
+ static native boolean mkdir(String dirpath);
+
+ /*
+ * This native method does the actual check of whether or not a file
+ * is a plain file or not. It also handles the existence check to
+ * eliminate the overhead of a call to exists()
+ */
+ static native boolean isFile(String path);
+
+ /**
+ * This native method checks file permissions for writing
+ */
+ static synchronized native boolean canWrite(String path);
+
+ /**
+ * This methods checks if a directory can be written to.
+ */
+ static boolean canWriteDirectory(File dir)
+ {
+ try
+ {
+ String filename = IS_DOS_8_3 ? "tst" : "test-dir-write";
+ File test = File.createTempFile(filename, null, dir);
+ return (test != null && test.delete());
+ }
+ catch (IOException ioe)
+ {
+ return false;
+ }
+ }
+
+ /**
+ * This native method checks file permissions for reading
+ */
+ static synchronized native boolean canRead(String path);
+
+ /*
+ * This method does the actual check of whether or not a file is a
+ * directory or not. It also handle the existence check to eliminate
+ * the overhead of a call to exists()
+ */
+ static native boolean isDirectory(String dirpath);
+
+ /**
+ * This method returns an array of filesystem roots. Some operating systems
+ * have volume oriented filesystem. This method provides a mechanism for
+ * determining which volumes exist. GNU systems use a single hierarchical
+ * filesystem, so will have only one "/" filesystem root.
+ *
+ * @return An array of <code>File</code> objects for each filesystem root
+ * available.
+ *
+ * @since 1.2
+ */
+ static File[] listRoots()
+ {
+ File[] roots = new File[1];
+ roots[0] = new File("/");
+ return roots;
+ }
+
+ /**
+ * This method tests whether or not this file represents a "hidden" file.
+ * On GNU systems, a file is hidden if its name begins with a "."
+ * character. Files with these names are traditionally not shown with
+ * directory listing tools.
+ *
+ * @return <code>true</code> if the file is hidden, <code>false</code>
+ * otherwise.
+ *
+ * @since 1.2
+ */
+ static boolean isHidden(String path)
+ {
+ // FIXME: this only works on UNIX
+ return getName(path).startsWith(".");
+ }
+
+ /**
+ * This method returns the name of the file. This is everything in the
+ * complete path of the file after the last instance of the separator
+ * string.
+ *
+ * @return The file name
+ */
+ static String getName(String path)
+ {
+ int pos = PlatformHelper.lastIndexOfSeparator(path);
+ if (pos == -1)
+ return path;
+
+ if (PlatformHelper.endWithSeparator(path))
+ return "";
+
+ return path.substring(pos + File.separator.length());
+ }
+
+ /**
+ * This method returns a canonical representation of the pathname of
+ * the given path. The actual form of the canonical representation is
+ * different. On the GNU system, the canonical form differs from the
+ * absolute form in that all relative file references to "." and ".."
+ * are resolved and removed.
+ * <p>
+ * Note that this method, unlike the other methods which return path
+ * names, can throw an IOException. This is because native method
+ * might be required in order to resolve the canonical path
+ *
+ * @exception IOException If an error occurs
+ */
+ public static String toCanonicalForm(String path) throws IOException
+ {
+ // FIXME: this only works on UNIX
+ return PlatformHelper.toCanonicalForm(path);
+ }
+}
--- /dev/null
+/* ObjectInputStream.java -- Class used to read serialized objects
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 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.io;
+
+import gnu.classpath.VMStackWalker;
+import java.lang.reflect.Constructor;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+
+final class VMObjectInputStream
+{
+ private static Class oisClass = ObjectInputStream.class;
+ private static Class vmoisClass = VMObjectInputStream.class;
+
+ // PrivilegedAction needed for Class.getClassLoader()
+ private static PrivilegedAction loaderAction = new PrivilegedAction()
+ {
+ public Object run()
+ {
+ Class[] ctx = VMStackWalker.getClassContext();
+ for (int i = 0; i < ctx.length; i++)
+ {
+ ClassLoader cl = ctx[i].getClassLoader();
+ if (cl != null)
+ return cl;
+ }
+ return null;
+ }
+ };
+
+ /**
+ * Returns the first user defined class loader on the call stack, or
+ * null when no non-null class loader was found.
+ */
+ static ClassLoader currentClassLoader()
+ {
+ return (ClassLoader) AccessController.doPrivileged(loaderAction);
+ }
+
+ /**
+ * Allocates a new Object of type clazz but without running the
+ * default constructor on it. It then calls the given constructor on
+ * it. The given constructor method comes from the constr_clazz
+ * which is a super class of the given clazz.
+ */
+ static native Object allocateObject(Class clazz, Class constr_clazz,
+ Constructor constructor)
+ throws InstantiationException;
+}
--- /dev/null
+/* VMObjectStreamClass.java -- VM helper functions for ObjectStreamClass
+ Copyright (C) 2003 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.io;
+
+import java.lang.reflect.Field;
+
+final class VMObjectStreamClass
+{
+ /**
+ * Returns true if CLAZZ has a static class initializer
+ * (a.k.a. <clinit>).
+ */
+ static native boolean hasClassInitializer (Class clazz);
+
+ /**
+ * Sets the value of the specified field. This method handles "double".
+ * Warning ! The types are not truely checked here and final values may be
+ * assigned.
+ *
+ * @param field Field to set the value.
+ * @param obj Instance which will have its field set.
+ * @param val Value to put in the field.
+ */
+ static native void setDoubleNative(Field field, Object obj, double val)
+ throws InternalError;
+
+ /**
+ * Sets the value of the specified field. This method handles "float".
+ * Warning ! The types are not truely checked here and final values may be
+ * assigned.
+ *
+ * @param field Field to set the value.
+ * @param obj Instance which will have its field set.
+ * @param val Value to put in the field.
+ */
+ static native void setFloatNative(Field field, Object obj, float val)
+ throws InternalError;
+
+ /**
+ * Sets the value of the specified field. This method handles "long".
+ * Warning ! The types are not truely checked here and final values may be
+ * assigned.
+ *
+ * @param field Field to set the value.
+ * @param obj Instance which will have its field set.
+ * @param val Value to put in the field.
+ */
+ static native void setLongNative(Field field, Object obj, long val)
+ throws InternalError;
+
+ /**
+ * Sets the value of the specified field. This method handles "int".
+ * Warning ! The types are not truely checked here and final values may be
+ * assigned.
+ *
+ * @param field Field to set the value.
+ * @param obj Instance which will have its field set.
+ * @param val Value to put in the field.
+ */
+ static native void setIntNative(Field field, Object obj, int val)
+ throws InternalError;
+
+ /**
+ * Sets the value of the specified field. This method handles "short".
+ * Warning ! The types are not truely checked here and final values may be
+ * assigned.
+ *
+ * @param field Field to set the value.
+ * @param obj Instance which will have its field set.
+ * @param val Value to put in the field.
+ */
+ static native void setShortNative(Field field, Object obj, short val)
+ throws InternalError;
+
+ /**
+ * Sets the value of the specified field. This method handles "char".
+ * Warning ! The types are not truely checked here and final values may be
+ * assigned.
+ *
+ * @param field Field to set the value.
+ * @param obj Instance which will have its field set.
+ * @param val Value to put in the field.
+ */
+ static native void setCharNative(Field field, Object obj, char val)
+ throws InternalError;
+
+ /**
+ * Sets the value of the specified field. This method handles "byte".
+ * Warning ! The types are not truely checked here and final values may be
+ * assigned.
+ *
+ * @param field Field to set the value.
+ * @param obj Instance which will have its field set.
+ * @param val Value to put in the field.
+ */
+ static native void setByteNative(Field field, Object obj, byte val)
+ throws InternalError;
+
+ /**
+ * Sets the value of the specified field. This method handles "boolean".
+ * Warning ! The types are not truely checked here and final values may be
+ * assigned.
+ *
+ * @param field Field to set the value.
+ * @param obj Instance which will have its field set.
+ * @param val Value to put in the field.
+ */
+ static native void setBooleanNative(Field field, Object obj, boolean val)
+ throws InternalError;
+
+ /**
+ * Sets the value of the specified field. This method handles "object".
+ * Warning ! The types are not truely checked here and final values may be
+ * assigned.
+ *
+ * @param field Field to set the value.
+ * @param obj Instance which will have its field set.
+ * @param val Value to put in the field.
+ */
+ static native void setObjectNative(Field field, Object obj, Object val)
+ throws InternalError;
+
+}
+
--- /dev/null
+/* VMClass.java -- VM Specific Class methods
+ Copyright (C) 2003, 2004 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.lang;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+/*
+ * This class is a reference version, mainly for compiling a class library
+ * jar. It is likely that VM implementers replace this with their own
+ * version that can communicate effectively with the VM.
+ */
+
+/**
+ *
+ * @author Etienne Gagnon <etienne.gagnon@uqam.ca>
+ * @author Archie Cobbs <archie@dellroad.org>
+ * @author C. Brian Jones <cbj@gnu.org>
+ */
+final class VMClass
+{
+
+ // Only static methods. Cannot be instantiated.
+ private VMClass()
+ {
+ }
+
+ /**
+ * Discover whether an Object is an instance of this Class. Think of it
+ * as almost like <code>o instanceof (this class)</code>.
+ *
+ * @param klass the Class object that's calling us
+ * @param o the Object to check
+ * @return whether o is an instance of this class
+ * @since 1.1
+ */
+ static native boolean isInstance(Class klass, Object o);
+
+ /**
+ * Discover whether an instance of the Class parameter would be an
+ * instance of this Class as well. Think of doing
+ * <code>isInstance(c.newInstance())</code> or even
+ * <code>c.newInstance() instanceof (this class)</code>. While this
+ * checks widening conversions for objects, it must be exact for primitive
+ * types.
+ *
+ * @param klass the Class object that's calling us
+ * @param c the class to check
+ * @return whether an instance of c would be an instance of this class
+ * as well
+ * @throws NullPointerException if c is null
+ * @since 1.1
+ */
+ static native boolean isAssignableFrom(Class klass, Class c);
+
+ /**
+ * Check whether this class is an interface or not. Array types are not
+ * interfaces.
+ *
+ * @param klass the Class object that's calling us
+ * @return whether this class is an interface or not
+ */
+ static native boolean isInterface(Class klass);
+
+ /**
+ * Return whether this class is a primitive type. A primitive type class
+ * is a class representing a kind of "placeholder" for the various
+ * primitive types, or void. You can access the various primitive type
+ * classes through java.lang.Boolean.TYPE, java.lang.Integer.TYPE, etc.,
+ * or through boolean.class, int.class, etc.
+ *
+ * @param klass the Class object that's calling us
+ * @return whether this class is a primitive type
+ * @see Boolean#TYPE
+ * @see Byte#TYPE
+ * @see Character#TYPE
+ * @see Short#TYPE
+ * @see Integer#TYPE
+ * @see Long#TYPE
+ * @see Float#TYPE
+ * @see Double#TYPE
+ * @see Void#TYPE
+ * @since 1.1
+ */
+ static native boolean isPrimitive(Class klass);
+
+ /**
+ * Get the name of this class, separated by dots for package separators.
+ * Primitive types and arrays are encoded as:
+ * <pre>
+ * boolean Z
+ * byte B
+ * char C
+ * short S
+ * int I
+ * long J
+ * float F
+ * double D
+ * void V
+ * array type [<em>element type</em>
+ * class or interface, alone: <dotted name>
+ * class or interface, as element type: L<dotted name>;
+ *
+ * @param klass the Class object that's calling us
+ * @return the name of this class
+ */
+ static native String getName(Class klass);
+
+ /**
+ * Get the direct superclass of this class. If this is an interface,
+ * Object, a primitive type, or void, it will return null. If this is an
+ * array type, it will return Object.
+ *
+ * @param klass the Class object that's calling us
+ * @return the direct superclass of this class
+ */
+ static native Class getSuperclass(Class klass);
+
+ /**
+ * Get the interfaces this class <EM>directly</EM> implements, in the
+ * order that they were declared. This returns an empty array, not null,
+ * for Object, primitives, void, and classes or interfaces with no direct
+ * superinterface. Array types return Cloneable and Serializable.
+ *
+ * @param klass the Class object that's calling us
+ * @return the interfaces this class directly implements
+ */
+ static native Class[] getInterfaces(Class klass);
+
+ /**
+ * If this is an array, get the Class representing the type of array.
+ * Examples: "[[Ljava.lang.String;" would return "[Ljava.lang.String;", and
+ * calling getComponentType on that would give "java.lang.String". If
+ * this is not an array, returns null.
+ *
+ * @param klass the Class object that's calling us
+ * @return the array type of this class, or null
+ * @see Array
+ * @since 1.1
+ */
+ static native Class getComponentType(Class klass);
+
+ /**
+ * Get the modifiers of this class. These can be decoded using Modifier,
+ * and is limited to one of public, protected, or private, and any of
+ * final, static, abstract, or interface. An array class has the same
+ * public, protected, or private modifier as its component type, and is
+ * marked final but not an interface. Primitive types and void are marked
+ * public and final, but not an interface.
+ *
+ * @param klass the Class object that's calling us
+ * @param ignoreInnerClassesAttrib if set, return the real modifiers, not
+ * the ones specified in the InnerClasses attribute.
+ * @return the modifiers of this class
+ * @see Modifer
+ * @since 1.1
+ */
+ static native int getModifiers(Class klass, boolean ignoreInnerClassesAttrib);
+
+ /**
+ * If this is a nested or inner class, return the class that declared it.
+ * If not, return null.
+ *
+ * @param klass the Class object that's calling us
+ * @return the declaring class of this class
+ * @since 1.1
+ */
+ static native Class getDeclaringClass(Class klass);
+
+ /**
+ * Like <code>getDeclaredClasses()</code> but without the security checks.
+ *
+ * @param klass the Class object that's calling us
+ * @param pulicOnly Only public classes should be returned
+ */
+ static native Class[] getDeclaredClasses(Class klass, boolean publicOnly);
+
+ /**
+ * Like <code>getDeclaredFields()</code> but without the security checks.
+ *
+ * @param klass the Class object that's calling us
+ * @param pulicOnly Only public fields should be returned
+ */
+ static native Field[] getDeclaredFields(Class klass, boolean publicOnly);
+
+ /**
+ * Like <code>getDeclaredMethods()</code> but without the security checks.
+ *
+ * @param klass the Class object that's calling us
+ * @param pulicOnly Only public methods should be returned
+ */
+ static native Method[] getDeclaredMethods(Class klass, boolean publicOnly);
+
+ /**
+ * Like <code>getDeclaredConstructors()</code> but without
+ * the security checks.
+ *
+ * @param klass the Class object that's calling us
+ * @param pulicOnly Only public constructors should be returned
+ */
+ static native Constructor[] getDeclaredConstructors(Class klass, boolean publicOnly);
+
+ /**
+ * Return the class loader of this class.
+ *
+ * @param klass the Class object that's calling us
+ * @return the class loader
+ */
+ static native ClassLoader getClassLoader(Class klass);
+
+ /**
+ * VM implementors are free to make this method a noop if
+ * the default implementation is acceptable.
+ *
+ * @param name the name of the class to find
+ * @return the Class object representing the class or null for noop
+ * @throws ClassNotFoundException if the class was not found by the
+ * classloader
+ * @throws LinkageError if linking the class fails
+ * @throws ExceptionInInitializerError if the class loads, but an exception
+ * occurs during initialization
+ */
+ static native Class forName(String name) throws ClassNotFoundException;
+
+ /**
+ * Return whether this class is an array type.
+ *
+ * @param klass the Class object that's calling us
+ * @return true if this class is an array type
+ * operation
+ */
+ static native boolean isArray(Class klass);
+
+ /**
+ * This method should trigger class initialization (if the
+ * class hasn't already been initialized)
+ *
+ * @param klass the Class object that's calling us
+ * @throws ExceptionInInitializerError if an exception
+ * occurs during initialization
+ */
+ static native void initialize(Class klass);
+
+ /**
+ * Load an array class.
+ *
+ * @return the Class object representing the class
+ * @throws ClassNotFoundException if the class was not found by the
+ * classloader
+ */
+ static native Class loadArrayClass(String name, ClassLoader classloader)
+ throws ClassNotFoundException;
+
+ /**
+ * Throw a checked exception without declaring it.
+ */
+ static native void throwException(Throwable t);
+
+} // class VMClass
--- /dev/null
+/* VMClassLoader.java -- Reference implementation of native interface
+ required by ClassLoader
+ Copyright (C) 1998, 2001, 2002, 2004, 2005 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.lang;
+
+import gnu.classpath.SystemProperties;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.security.ProtectionDomain;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.StringTokenizer;
+import java.util.Vector;
+import java.util.zip.ZipFile;
+
+/**
+ * java.lang.VMClassLoader is a package-private helper for VMs to implement
+ * on behalf of java.lang.ClassLoader.
+ *
+ * @author John Keiser
+ * @author Mark Wielaard (mark@klomp.org)
+ * @author Eric Blake (ebb9@email.byu.edu)
+ */
+final class VMClassLoader
+{
+ /**
+ * Helper to define a class using a string of bytes. This assumes that
+ * the security checks have already been performed, if necessary.
+ *
+ * Implementations of this method are advised to consider the
+ * situation where user code modifies the byte array after it has
+ * been passed to defineClass. This can be handled by making a
+ * private copy of the array, or arranging to only read any given
+ * byte a single time.
+ *
+ * @param name the name to give the class, or null if unknown
+ * @param data the data representing the classfile, in classfile format
+ * @param offset the offset into the data where the classfile starts
+ * @param len the length of the classfile data in the array
+ * @param pd the protection domain
+ * @return the class that was defined
+ * @throws ClassFormatError if data is not in proper classfile format
+ */
+ static final native Class defineClass(ClassLoader cl, String name,
+ byte[] data, int offset, int len,
+ ProtectionDomain pd)
+ throws ClassFormatError;
+
+ /**
+ * Helper to resolve all references to other classes from this class.
+ *
+ * @param c the class to resolve
+ */
+ static final native void resolveClass(Class c);
+
+ /**
+ * Helper to load a class from the bootstrap class loader.
+ *
+ * @param name the class name to load
+ * @param resolve whether to resolve it
+ * @return the class, loaded by the bootstrap classloader or null
+ * if the class wasn't found. Returning null is equivalent to throwing
+ * a ClassNotFoundException (but a possible performance optimization).
+ */
+ static final native Class loadClass(String name, boolean resolve)
+ throws ClassNotFoundException;
+
+ /**
+ * Helper to load a resource from the bootstrap class loader.
+ *
+ * @param name the resource to find
+ * @return the URL to the resource
+ */
+ static URL getResource(String name)
+ {
+ Enumeration e = getResources(name);
+ if (e.hasMoreElements())
+ return (URL)e.nextElement();
+ return null;
+ }
+
+ /**
+ * Helper to get a list of resources from the bootstrap class loader.
+ *
+ * @param name the resource to find
+ * @return an enumeration of resources
+ * @throws IOException if one occurs
+ */
+ static Enumeration getResources(String name)
+ {
+ StringTokenizer st = new StringTokenizer(
+ SystemProperties.getProperty("java.boot.class.path", "."),
+ File.pathSeparator);
+ Vector v = new Vector();
+ while (st.hasMoreTokens())
+ {
+ File file = new File(st.nextToken());
+ if (file.isDirectory())
+ {
+ try
+ {
+ v.add(new URL("file://"
+ + new File(file, name).getAbsolutePath()));
+ }
+ catch (MalformedURLException e)
+ {
+ throw new Error(e);
+ }
+ }
+ else if (file.isFile())
+ {
+ ZipFile zip;
+ try
+ {
+ zip = new ZipFile(file);
+ }
+ catch (IOException e)
+ {
+ continue;
+ }
+ String zname = name.startsWith("/") ? name.substring(1) : name;
+ try
+ {
+ if (zip.getEntry(zname) == null)
+ continue;
+ }
+ finally
+ {
+ try
+ {
+ zip.close();
+ }
+ catch (IOException e)
+ {
+ }
+ }
+ try
+ {
+ v.add(new URL("jar:file://"
+ + file.getAbsolutePath() + "!/" + zname));
+ }
+ catch (MalformedURLException e)
+ {
+ throw new Error(e);
+ }
+ }
+ }
+ return v.elements();
+ }
+
+ /**
+ * Helper to get a package from the bootstrap class loader. The default
+ * implementation of returning null may be adequate, or you may decide
+ * that this needs some native help.
+ *
+ * @param name the name to find
+ * @return the named package, if it exists
+ */
+ static Package getPackage(String name)
+ {
+ return null;
+ }
+
+ /**
+ * Helper to get all packages from the bootstrap class loader. The default
+ * implementation of returning an empty array may be adequate, or you may
+ * decide that this needs some native help.
+ *
+ * @return all named packages, if any exist
+ */
+ static Package[] getPackages()
+ {
+ return new Package[0];
+ }
+
+ /**
+ * Helper for java.lang.Integer, Byte, etc to get the TYPE class
+ * at initialization time. The type code is one of the chars that
+ * represents the primitive type as in JNI.
+ *
+ * <ul>
+ * <li>'Z' - boolean</li>
+ * <li>'B' - byte</li>
+ * <li>'C' - char</li>
+ * <li>'D' - double</li>
+ * <li>'F' - float</li>
+ * <li>'I' - int</li>
+ * <li>'J' - long</li>
+ * <li>'S' - short</li>
+ * <li>'V' - void</li>
+ * </ul>
+ *
+ * @param type the primitive type
+ * @return a "bogus" class representing the primitive type
+ */
+ static final native Class getPrimitiveClass(char type);
+
+ /**
+ * The system default for assertion status. This is used for all system
+ * classes (those with a null ClassLoader), as well as the initial value for
+ * every ClassLoader's default assertion status.
+ *
+ * XXX - Not implemented yet; this requires native help.
+ *
+ * @return the system-wide default assertion status
+ */
+ static final boolean defaultAssertionStatus()
+ {
+ return true;
+ }
+
+ /**
+ * The system default for package assertion status. This is used for all
+ * ClassLoader's packageAssertionStatus defaults. It must be a map of
+ * package names to Boolean.TRUE or Boolean.FALSE, with the unnamed package
+ * represented as a null key.
+ *
+ * XXX - Not implemented yet; this requires native help.
+ *
+ * @return a (read-only) map for the default packageAssertionStatus
+ */
+ static final Map packageAssertionStatus()
+ {
+ return new HashMap();
+ }
+
+ /**
+ * The system default for class assertion status. This is used for all
+ * ClassLoader's classAssertionStatus defaults. It must be a map of
+ * class names to Boolean.TRUE or Boolean.FALSE
+ *
+ * XXX - Not implemented yet; this requires native help.
+ *
+ * @return a (read-only) map for the default classAssertionStatus
+ */
+ static final Map classAssertionStatus()
+ {
+ return new HashMap();
+ }
+
+ static ClassLoader getSystemClassLoader()
+ {
+ return ClassLoader.defaultGetSystemClassLoader();
+ }
+}
--- /dev/null
+/* VMClassLoader.java -- Reference implementation of compiler interface
+ Copyright (C) 2004 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.lang;
+
+/**
+ * This class is just a per-VM reflection of java.lang.Compiler.
+ * All methods are defined identically.
+ */
+final class VMCompiler
+{
+ /**
+ * Don't allow new `Compiler's to be made.
+ */
+ private VMCompiler()
+ {
+ }
+
+ /**
+ * Compile the class named by <code>oneClass</code>.
+ *
+ * @param oneClass the class to compile
+ * @return <code>false</code> if no compiler is available or
+ * compilation failed, <code>true</code> if compilation succeeded
+ * @throws NullPointerException if oneClass is null
+ */
+ public static boolean compileClass(Class oneClass)
+ {
+ // Never succeed.
+ return false;
+ }
+
+ /**
+ * Compile the classes whose name matches <code>classNames</code>.
+ *
+ * @param classNames the name of classes to compile
+ * @return <code>false</code> if no compiler is available or
+ * compilation failed, <code>true</code> if compilation succeeded
+ * @throws NullPointerException if classNames is null
+ */
+ public static boolean compileClasses(String classNames)
+ {
+ // Note the incredibly lame interface. Always fail.
+ return false;
+ }
+
+ /**
+ * This method examines the argument and performs an operation
+ * according to the compilers documentation. No specific operation
+ * is required.
+ *
+ * @param arg a compiler-specific argument
+ * @return a compiler-specific value, including null
+ * @throws NullPointerException if the compiler doesn't like a null arg
+ */
+ public static Object command(Object arg)
+ {
+ // Our implementation defines this to a no-op.
+ return null;
+ }
+
+ /**
+ * Calling <code>Compiler.enable()</code> will cause the compiler
+ * to resume operation if it was previously disabled; provided that a
+ * compiler even exists.
+ */
+ public static void enable()
+ {
+ }
+
+ /**
+ * Calling <code>Compiler.disable()</code> will cause the compiler
+ * to be suspended; provided that a compiler even exists.
+ */
+ public static void disable()
+ {
+ }
+}
--- /dev/null
+/* VMDouble.java -- VM Specific Double methods
+ Copyright (C) 2003, 2005 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.lang;
+
+import gnu.classpath.Configuration;
+
+/*
+ * This class is a reference version, mainly for compiling a class library
+ * jar. It is likely that VM implementers replace this with their own
+ * version that can communicate effectively with the VM.
+ */
+
+/**
+ * Code relocated from java.lang.Double by
+ * @author Dave Grove (groved@us.ibm.com)
+ */
+final class VMDouble
+{
+
+ /**
+ * Load native routines necessary for this class.
+ */
+ static
+ {
+ if (Configuration.INIT_LOAD_LIBRARY)
+ {
+ System.loadLibrary("javalang");
+ }
+
+ initIDs();
+ }
+
+ /**
+ * Convert the double to the IEEE 754 floating-point "double format" bit
+ * layout. Bit 63 (the most significant) is the sign bit, bits 62-52
+ * (masked by 0x7ff0000000000000L) represent the exponent, and bits 51-0
+ * (masked by 0x000fffffffffffffL) are the mantissa. This function
+ * collapses all versions of NaN to 0x7ff8000000000000L. The result of this
+ * function can be used as the argument to
+ * <code>Double.longBitsToDouble(long)</code> to obtain the original
+ * <code>double</code> value.
+ *
+ * @param value the <code>double</code> to convert
+ * @return the bits of the <code>double</code>
+ * @see #longBitsToDouble(long)
+ */
+ public static native long doubleToLongBits(double value);
+
+ /**
+ * Convert the double to the IEEE 754 floating-point "double format" bit
+ * layout. Bit 63 (the most significant) is the sign bit, bits 62-52
+ * (masked by 0x7ff0000000000000L) represent the exponent, and bits 51-0
+ * (masked by 0x000fffffffffffffL) are the mantissa. This function
+ * leaves NaN alone, rather than collapsing to a canonical value. The
+ * result of this function can be used as the argument to
+ * <code>Double.longBitsToDouble(long)</code> to obtain the original
+ * <code>double</code> value.
+ *
+ * @param value the <code>double</code> to convert
+ * @return the bits of the <code>double</code>
+ * @see #longBitsToDouble(long)
+ */
+ public static native long doubleToRawLongBits(double value);
+
+ /**
+ * Convert the argument in IEEE 754 floating-point "double format" bit
+ * layout to the corresponding float. Bit 63 (the most significant) is the
+ * sign bit, bits 62-52 (masked by 0x7ff0000000000000L) represent the
+ * exponent, and bits 51-0 (masked by 0x000fffffffffffffL) are the mantissa.
+ * This function leaves NaN alone, so that you can recover the bit pattern
+ * with <code>Double.doubleToRawLongBits(double)</code>.
+ *
+ * @param bits the bits to convert
+ * @return the <code>double</code> represented by the bits
+ * @see #doubleToLongBits(double)
+ * @see #doubleToRawLongBits(double)
+ */
+ public static native double longBitsToDouble(long bits);
+
+ /**
+ * Helper method to convert to string.
+ *
+ * @param d the double to convert
+ * @param isFloat true if the conversion is requested by Float (results in
+ * fewer digits)
+ */
+ public static native String toString(double d, boolean isFloat);
+
+ /**
+ * Initialize JNI cache. This method is called only by the
+ * static initializer when using JNI.
+ */
+ public static native void initIDs();
+
+ public static native double parseDouble(String str);
+}
--- /dev/null
+/* VMFloat.java -- VM Specific Float methods
+ Copyright (C) 2003 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.lang;
+
+import gnu.classpath.Configuration;
+
+/*
+ * This class is a reference version, mainly for compiling a class library
+ * jar. It is likely that VM implementers replace this with their own
+ * version that can communicate effectively with the VM.
+ */
+
+/**
+ * Code relocated from java.lang.Float by
+ * @author Dave Grove <groved@us.ibm.com>
+ */
+final class VMFloat
+{
+
+ /**
+ * Load native routines necessary for this class.
+ */
+ static
+ {
+ if (Configuration.INIT_LOAD_LIBRARY)
+ {
+ System.loadLibrary("javalang");
+ }
+ }
+
+ /**
+ * Convert the float to the IEEE 754 floating-point "single format" bit
+ * layout. Bit 31 (the most significant) is the sign bit, bits 30-23
+ * (masked by 0x7f800000) represent the exponent, and bits 22-0
+ * (masked by 0x007fffff) are the mantissa. This function collapses all
+ * versions of NaN to 0x7fc00000. The result of this function can be used
+ * as the argument to <code>Float.intBitsToFloat(int)</code> to obtain the
+ * original <code>float</code> value.
+ *
+ * @param value the <code>float</code> to convert
+ * @return the bits of the <code>float</code>
+ * @see #intBitsToFloat(int)
+ */
+ static native int floatToIntBits(float value);
+
+ /**
+ * Convert the float to the IEEE 754 floating-point "single format" bit
+ * layout. Bit 31 (the most significant) is the sign bit, bits 30-23
+ * (masked by 0x7f800000) represent the exponent, and bits 22-0
+ * (masked by 0x007fffff) are the mantissa. This function leaves NaN alone,
+ * rather than collapsing to a canonical value. The result of this function
+ * can be used as the argument to <code>Float.intBitsToFloat(int)</code> to
+ * obtain the original <code>float</code> value.
+ *
+ * @param value the <code>float</code> to convert
+ * @return the bits of the <code>float</code>
+ * @see #intBitsToFloat(int)
+ */
+ static native int floatToRawIntBits(float value);
+
+ /**
+ * Convert the argument in IEEE 754 floating-point "single format" bit
+ * layout to the corresponding float. Bit 31 (the most significant) is the
+ * sign bit, bits 30-23 (masked by 0x7f800000) represent the exponent, and
+ * bits 22-0 (masked by 0x007fffff) are the mantissa. This function leaves
+ * NaN alone, so that you can recover the bit pattern with
+ * <code>Float.floatToRawIntBits(float)</code>.
+ *
+ * @param bits the bits to convert
+ * @return the <code>float</code> represented by the bits
+ * @see #floatToIntBits(float)
+ * @see #floatToRawIntBits(float)
+ */
+ static native float intBitsToFloat(int bits);
+
+} // class VMFloat
--- /dev/null
+/* VMObject.java -- Reference implementation for VM hooks used by Object
+ Copyright (C) 1998, 2002, 2005 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.lang;
+
+/**
+ * Object is the ultimate superclass of every class (excepting interfaces).
+ * As such, it needs help from the VM.
+ *
+ * @author John Keiser
+ * @author Eric Blake (ebb9@email.byu.edu)
+ */
+final class VMObject
+{
+ /**
+ * Returns the runtime {@link Class} of a given Object.
+ *
+ * @param obj the object to return the class for.
+ *
+ * @return the class of the Object.
+ */
+ static native Class getClass(Object obj);
+
+ /**
+ * The VM is expected to make a field-for-field shallow copy of the
+ * argument. Thus, the copy has the same runtime type as the argument.
+ * Note, however, that the cloned object must still be finalizable, even
+ * if the original has already had finalize() invoked on it.
+ *
+ * @param c the Cloneable to clone
+ * @return the clone
+ */
+ static native Object clone(Cloneable c);
+
+ /**
+ * Wakes up one of the threads that is waiting on this Object's monitor.
+ * Only the owner of a lock on the Object may call this method. The Thread
+ * to wake up is chosen arbitrarily.
+ *
+ * @param o the object doing the notify
+ * @throw IllegalMonitorStateException if this Thread does not own the
+ * lock on the Object
+ */
+ static native void notify(Object o) throws IllegalMonitorStateException;
+
+ /**
+ * Wakes up all of the threads waiting on this Object's monitor. Only
+ * the owner of the lock on this Object may call this method.
+ *
+ * @param o the object doing the notifyAll
+ * @throws IllegalMonitorStateException if this Thread does not own the
+ * lock on the Object
+ */
+ static native void notifyAll(Object o) throws IllegalMonitorStateException;
+
+ /**
+ * Waits a specified amount of time for notify() or notifyAll() to be
+ * called on this Object. The VM does not have to pay attention to the
+ * ns argument, if it does not have that much granularity.
+ *
+ * @param o the object to suspend on
+ * @param ms milliseconds to wait (1,000 milliseconds = 1 second)
+ * @param ns nanoseconds to wait beyond ms (1,000,000 nanoseconds
+ * == 1 millisecond)
+ * @throws IllegalMonitorStateException if this Thread does not own the
+ * lock on the Object
+ * @throws InterruptedException if some other Thread interrupts this Thread
+ */
+ static native void wait(Object o, long ms, int ns)
+ throws IllegalMonitorStateException, InterruptedException;
+}
--- /dev/null
+/* java.lang.VMProcess -- VM implementation of java.lang.Process
+ Copyright (C) 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.lang;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.HashMap;
+import java.util.LinkedList;
+
+/**
+ * Represents one external process. Each instance of this class is in
+ * one of three states: INITIAL, RUNNING, or TERMINATED. The instance
+ * is {@link Object#notifyAll notifyAll()}'d each time the state changes.
+ * The state of all instances is managed by a single dedicated thread
+ * which does the actual fork()/exec() and wait() system calls. User
+ * threads {@link Object#wait wait()} on the instance when creating the
+ * process or waiting for it to terminate.
+ *
+ * <p>
+ * See
+ * <a href="http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11801">GCC bug
+ * #11801</a> for the motivation behind the design of this class.
+ *
+ * @author Archie Cobbs
+ * @see Process
+ * @see Runtime#exec
+ */
+final class VMProcess extends Process
+{
+
+ // Possible states for a VMProcess
+ private static final int INITIAL = 0;
+ private static final int RUNNING = 1;
+ private static final int TERMINATED = 2;
+
+ // Dedicated thread that does all the fork()'ing and wait()'ing.
+ static Thread processThread;
+
+ // New processes waiting to be spawned by processThread.
+ static final LinkedList workList = new LinkedList();
+
+ // Return values set by nativeReap() when a child is reaped.
+ // These are only accessed by processThread so no locking required.
+ static long reapedPid;
+ static int reapedExitValue;
+
+ // Information about this process
+ int state; // current state of process
+ final String[] cmd; // copied from Runtime.exec()
+ final String[] env; // copied from Runtime.exec()
+ final File dir; // copied from Runtime.exec()
+ Throwable exception; // if process failed to start
+ long pid; // process id
+ OutputStream stdin; // process input stream
+ InputStream stdout; // process output stream
+ InputStream stderr; // process error stream
+ int exitValue; // process exit value
+
+ //
+ // Dedicated thread that does all the fork()'ing and wait()'ing
+ // for external processes. This is needed because some systems like
+ // Linux use a process-per-thread model, which means the same thread
+ // that did the fork()/exec() must also do the wait().
+ //
+ private static class ProcessThread extends Thread
+ {
+
+ // Max time (in ms) we'll delay before trying to reap another child.
+ private static final int MAX_REAP_DELAY = 1000;
+
+ // Processes created but not yet terminated; maps Long(pid) -> VMProcess
+ // Only used in run() and spawn() method from this Thread, so no locking.
+ private final HashMap activeMap = new HashMap();
+
+ // We have an explicit constructor, because the default
+ // constructor will be private, which means the compiler will have
+ // to generate a second package-private constructor, which is
+ // bogus.
+ ProcessThread ()
+ {
+ }
+
+ public void run()
+ {
+ final LinkedList workList = VMProcess.workList;
+ while (true)
+ {
+
+ // Get the next process to spawn (if any) and spawn it. Spawn
+ // at most one at a time before checking for reapable children.
+ VMProcess process = null;
+ synchronized (workList)
+ {
+ if (!workList.isEmpty())
+ process = (VMProcess)workList.removeFirst();
+ }
+
+ if (process != null)
+ spawn(process);
+
+
+ // Check for termination of active child processes
+ while (!activeMap.isEmpty() && VMProcess.nativeReap())
+ {
+ long pid = VMProcess.reapedPid;
+ int exitValue = VMProcess.reapedExitValue;
+ process = (VMProcess)activeMap.remove(new Long(pid));
+ if (process != null)
+ {
+ synchronized (process)
+ {
+ process.exitValue = exitValue;
+ process.state = TERMINATED;
+ process.notify();
+ }
+ }
+ else
+ System.err.println("VMProcess WARNING reaped unknown process: "
+ + pid);
+ }
+
+
+ // If there are more new processes to create, go do that now.
+ // If there is nothing left to do, exit this thread. Otherwise,
+ // sleep a little while, and then check again for reapable children.
+ // We will get woken up immediately if there are new processes to
+ // spawn, but not if there are new children to reap. So we only
+ // sleep a short time, in effect polling while processes are active.
+ synchronized (workList)
+ {
+ if (!workList.isEmpty())
+ continue;
+ if (activeMap.isEmpty())
+ {
+ processThread = null;
+ break;
+ }
+
+ try
+ {
+ workList.wait(MAX_REAP_DELAY);
+ }
+ catch (InterruptedException e)
+ {
+ /* ignore */
+ }
+ }
+ }
+ }
+
+ // Spawn a process
+ private void spawn(VMProcess process)
+ {
+
+ // Spawn the process and put it in our active map indexed by pid.
+ // If the spawn operation fails, store the exception with the process.
+ // In either case, wake up thread that created the process.
+ synchronized (process)
+ {
+ try
+ {
+ process.nativeSpawn(process.cmd, process.env, process.dir);
+ process.state = RUNNING;
+ activeMap.put(new Long(process.pid), process);
+ }
+ catch (ThreadDeath death)
+ {
+ throw death;
+ }
+ catch (Throwable t)
+ {
+ process.state = TERMINATED;
+ process.exception = t;
+ }
+ process.notify();
+ }
+ }
+ }
+
+ // Constructor
+ private VMProcess(String[] cmd, String[] env, File dir) throws IOException
+ {
+
+ // Initialize this process
+ this.state = INITIAL;
+ this.cmd = cmd;
+ this.env = env;
+ this.dir = dir;
+
+ // Add process to the new process work list and wakeup processThread
+ synchronized (workList)
+ {
+ workList.add(this);
+ if (processThread == null)
+ {
+ processThread = new ProcessThread();
+ processThread.setDaemon(true);
+ processThread.start();
+ }
+ else
+ {
+ workList.notify();
+ }
+ }
+
+ // Wait for processThread to spawn this process and update its state
+ synchronized (this)
+ {
+ while (state == INITIAL)
+ {
+ try
+ {
+ wait();
+ }
+ catch (InterruptedException e)
+ {
+ /* ignore */
+ }
+ }
+ }
+
+ // If spawning failed, rethrow the exception in this thread
+ if (exception != null)
+ {
+ exception.fillInStackTrace();
+ if (exception instanceof IOException)
+ throw (IOException)exception;
+
+ if (exception instanceof Error)
+ throw (Error)exception;
+
+ if (exception instanceof RuntimeException)
+ throw (RuntimeException)exception;
+
+ throw new RuntimeException(exception);
+ }
+ }
+
+ // Invoked by native code (from nativeSpawn()) to record process info.
+ private void setProcessInfo(OutputStream stdin,
+ InputStream stdout, InputStream stderr, long pid)
+ {
+ this.stdin = stdin;
+ this.stdout = stdout;
+ this.stderr = stderr;
+ this.pid = pid;
+ }
+
+ /**
+ * Entry point from Runtime.exec().
+ */
+ static Process exec(String[] cmd, String[] env, File dir) throws IOException
+ {
+ return new VMProcess(cmd, env, dir);
+ }
+
+ public OutputStream getOutputStream()
+ {
+ return stdin;
+ }
+
+ public InputStream getInputStream()
+ {
+ return stdout;
+ }
+
+ public InputStream getErrorStream()
+ {
+ return stderr;
+ }
+
+ public synchronized int waitFor() throws InterruptedException
+ {
+ while (state != TERMINATED)
+ wait();
+ return exitValue;
+ }
+
+ public synchronized int exitValue()
+ {
+ if (state != TERMINATED)
+ throw new IllegalThreadStateException();
+ return exitValue;
+ }
+
+ public synchronized void destroy()
+ {
+ if (state == TERMINATED)
+ return;
+
+ nativeKill(pid);
+
+ while (state != TERMINATED)
+ {
+ try
+ {
+ wait();
+ }
+ catch (InterruptedException e)
+ {
+ /* ignore */
+ }
+ }
+ }
+
+ /**
+ * Does the fork()/exec() thing to create the O/S process.
+ * Must invoke setProcessInfo() before returning successfully.
+ * This method is only invoked by processThread.
+ *
+ * @throws IOException if the O/S process could not be created.
+ */
+ native void nativeSpawn(String[] cmd, String[] env, File dir)
+ throws IOException;
+
+ /**
+ * Test for a reapable child process, and reap if so. Does not block.
+ * If a child was reaped, this method must set reapedPid and
+ * reapedExitValue appropriately before returning.
+ * This method is only invoked by processThread.
+ *
+ * @return true if a child was reaped, otherwise false
+ */
+ // This is not private as it is called from an inner class.
+ static native boolean nativeReap();
+
+ /**
+ * Kill a process. This sends it a fatal signal but does not reap it.
+ */
+ private static native void nativeKill(long pid);
+}
--- /dev/null
+/* VMRuntime.java -- VM interface to Runtime
+ Copyright (C) 2003 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.lang;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * VMRuntime represents the interface to the Virtual Machine.
+ *
+ * @author Jeroen Frijters
+ */
+final class VMRuntime
+{
+ /**
+ * No instance is ever created.
+ */
+ private VMRuntime()
+ {
+ }
+
+ /**
+ * Returns the number of available processors currently available to the
+ * virtual machine. This number may change over time; so a multi-processor
+ * program want to poll this to determine maximal resource usage.
+ *
+ * @return the number of processors available, at least 1
+ */
+ static native int availableProcessors();
+
+ /**
+ * Find out how much memory is still free for allocating Objects on the heap.
+ *
+ * @return the number of bytes of free memory for more Objects
+ */
+ static native long freeMemory();
+
+ /**
+ * Find out how much memory total is available on the heap for allocating
+ * Objects.
+ *
+ * @return the total number of bytes of memory for Objects
+ */
+ static native long totalMemory();
+
+ /**
+ * Returns the maximum amount of memory the virtual machine can attempt to
+ * use. This may be <code>Long.MAX_VALUE</code> if there is no inherent
+ * limit (or if you really do have a 8 exabyte memory!).
+ *
+ * @return the maximum number of bytes the virtual machine will attempt
+ * to allocate
+ */
+ static native long maxMemory();
+
+ /**
+ * Run the garbage collector. This method is more of a suggestion than
+ * anything. All this method guarantees is that the garbage collector will
+ * have "done its best" by the time it returns. Notice that garbage
+ * collection takes place even without calling this method.
+ */
+ static native void gc();
+
+ /**
+ * Run finalization on all Objects that are waiting to be finalized. Again,
+ * a suggestion, though a stronger one than {@link #gc()}. This calls the
+ * <code>finalize</code> method of all objects waiting to be collected.
+ *
+ * @see #finalize()
+ */
+ static native void runFinalization();
+
+ /**
+ * Run finalization on all finalizable Objects (even live ones). This
+ * should only be called immediately prior to VM termination.
+ *
+ * @see #finalize()
+ */
+ static native void runFinalizationForExit();
+
+ /**
+ * Tell the VM to trace every bytecode instruction that executes (print out
+ * a trace of it). No guarantees are made as to where it will be printed,
+ * and the VM is allowed to ignore this request.
+ *
+ * @param on whether to turn instruction tracing on
+ */
+ static native void traceInstructions(boolean on);
+
+ /**
+ * Tell the VM to trace every method call that executes (print out a trace
+ * of it). No guarantees are made as to where it will be printed, and the
+ * VM is allowed to ignore this request.
+ *
+ * @param on whether to turn method tracing on
+ */
+ static native void traceMethodCalls(boolean on);
+
+ /**
+ * Native method that actually sets the finalizer setting.
+ *
+ * @param value whether to run finalizers on exit
+ */
+ static native void runFinalizersOnExit(boolean value);
+
+ /**
+ * Native method that actually shuts down the virtual machine.
+ *
+ * @param status the status to end the process with
+ */
+ static native void exit(int status);
+
+ /**
+ * Load a file. If it has already been loaded, do nothing. The name has
+ * already been mapped to a true filename.
+ *
+ * @param filename the file to load
+ * @param loader class loader, or <code>null</code> for the boot loader
+ * @return 0 on failure, nonzero on success
+ */
+ static native int nativeLoad(String filename, ClassLoader loader);
+
+ /**
+ * Map a system-independent "short name" to the full file name.
+ *
+ * @param libname the short version of the library name
+ * @return the full filename
+ */
+ static native String mapLibraryName(String libname);
+
+ /**
+ * Execute a process. The command line has already been tokenized, and
+ * the environment should contain name=value mappings. If directory is null,
+ * use the current working directory; otherwise start the process in that
+ * directory. If env is null, then the new process should inherit
+ * the environment of this process.
+ *
+ * @param cmd the non-null command tokens
+ * @param env the environment setup
+ * @param dir the directory to use, may be null
+ * @return the newly created process
+ * @throws NullPointerException if cmd or env have null elements
+ */
+ static Process exec(String[] cmd, String[] env, File dir)
+ throws IOException {
+ return VMProcess.exec(cmd, env, dir);
+ }
+
+ /**
+ * This method is called by Runtime.addShutdownHook() when it is
+ * called for the first time. It enables the VM to lazily setup
+ * an exit handler, should it so desire.
+ */
+ static void enableShutdownHooks()
+ {
+ }
+} // class VMRuntime
--- /dev/null
+/* VMString.java -- VM Specific String methods
+ Copyright (C) 2003 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.lang;
+
+import java.lang.ref.WeakReference;
+import java.util.WeakHashMap;
+
+/*
+ * This class is a reference version, mainly for compiling a class library
+ * jar. It is likely that VM implementers replace this with their own
+ * version that can communicate effectively with the VM.
+ */
+
+/**
+ * Code relocated from java.lang.String by
+ * @author Dave Grove <groved@us.ibm.com>
+ */
+final class VMString
+{
+
+ /**
+ * Holds the references for each intern()'d String. If all references to
+ * the string disappear, and the VM properly supports weak references,
+ * the String will be GC'd.
+ */
+ private static final WeakHashMap internTable = new WeakHashMap();
+
+ /**
+ * Fetches this String from the intern hashtable. If two Strings are
+ * considered equal, by the equals() method, then intern() will return the
+ * same String instance. ie. if (s1.equals(s2)) then
+ * (s1.intern() == s2.intern()). All string literals and string-valued
+ * constant expressions are already interned.
+ *
+ * @param str the String to intern
+ * @return the interned String
+ */
+ static String intern(String str)
+ {
+ synchronized (internTable)
+ {
+ WeakReference ref = (WeakReference) internTable.get(str);
+ if (ref != null)
+ {
+ String s = (String) ref.get();
+ // If s is null, then no strong references exist to the String;
+ // the weak hash map will soon delete the key.
+ if (s != null)
+ return s;
+ }
+ internTable.put(str, new WeakReference(str));
+ }
+ return str;
+ }
+
+} // class VMString
--- /dev/null
+/* VMSystem.java -- helper for java.lang.system
+ Copyright (C) 1998, 2002, 2004 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.lang;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.FileDescriptor;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.PrintStream;
+
+/**
+ * VMSystem is a package-private helper class for System that the
+ * VM must implement.
+ *
+ * @author John Keiser
+ */
+final class VMSystem
+{
+ /**
+ * Copy one array onto another from <code>src[srcStart]</code> ...
+ * <code>src[srcStart+len-1]</code> to <code>dest[destStart]</code> ...
+ * <code>dest[destStart+len-1]</code>. First, the arguments are validated:
+ * neither array may be null, they must be of compatible types, and the
+ * start and length must fit within both arrays. Then the copying starts,
+ * and proceeds through increasing slots. If src and dest are the same
+ * array, this will appear to copy the data to a temporary location first.
+ * An ArrayStoreException in the middle of copying will leave earlier
+ * elements copied, but later elements unchanged.
+ *
+ * @param src the array to copy elements from
+ * @param srcStart the starting position in src
+ * @param dest the array to copy elements to
+ * @param destStart the starting position in dest
+ * @param len the number of elements to copy
+ * @throws NullPointerException if src or dest is null
+ * @throws ArrayStoreException if src or dest is not an array, if they are
+ * not compatible array types, or if an incompatible runtime type
+ * is stored in dest
+ * @throws IndexOutOfBoundsException if len is negative, or if the start or
+ * end copy position in either array is out of bounds
+ */
+ static native void arraycopy(Object src, int srcStart,
+ Object dest, int destStart, int len);
+
+ /**
+ * Get a hash code computed by the VM for the Object. This hash code will
+ * be the same as Object's hashCode() method. It is usually some
+ * convolution of the pointer to the Object internal to the VM. It
+ * follows standard hash code rules, in that it will remain the same for a
+ * given Object for the lifetime of that Object.
+ *
+ * @param o the Object to get the hash code for
+ * @return the VM-dependent hash code for this Object
+ */
+ static native int identityHashCode(Object o);
+
+ /**
+ * Convert a library name to its platform-specific variant.
+ *
+ * @param libname the library name, as used in <code>loadLibrary</code>
+ * @return the platform-specific mangling of the name
+ * @XXX Add this method
+ static native String mapLibraryName(String libname);
+ */
+
+ /**
+ * Set {@link #in} to a new InputStream.
+ *
+ * @param in the new InputStream
+ * @see #setIn(InputStream)
+ */
+ static native void setIn(InputStream in);
+
+ /**
+ * Set {@link #out} to a new PrintStream.
+ *
+ * @param out the new PrintStream
+ * @see #setOut(PrintStream)
+ */
+ static native void setOut(PrintStream out);
+
+ /**
+ * Set {@link #err} to a new PrintStream.
+ *
+ * @param err the new PrintStream
+ * @see #setErr(PrintStream)
+ */
+ static native void setErr(PrintStream err);
+
+ /**
+ * Get the current time, measured in the number of milliseconds from the
+ * beginning of Jan. 1, 1970. This is gathered from the system clock, with
+ * any attendant incorrectness (it may be timezone dependent).
+ *
+ * @return the current time
+ * @see java.util.Date
+ */
+ public static native long currentTimeMillis();
+
+ /**
+ * Helper method which creates the standard input stream.
+ * VM implementors may choose to construct these streams differently.
+ * This method can also return null if the stream is created somewhere
+ * else in the VM startup sequence.
+ */
+
+ static InputStream makeStandardInputStream()
+ {
+ return new BufferedInputStream(new FileInputStream(FileDescriptor.in));
+ }
+
+ /**
+ * Helper method which creates the standard output stream.
+ * VM implementors may choose to construct these streams differently.
+ * This method can also return null if the stream is created somewhere
+ * else in the VM startup sequence.
+ */
+
+ static PrintStream makeStandardOutputStream()
+ {
+ return new PrintStream(new BufferedOutputStream(new FileOutputStream(FileDescriptor.out)), true);
+ }
+ /**
+ * Helper method which creates the standard error stream.
+ * VM implementors may choose to construct these streams differently.
+ * This method can also return null if the stream is created somewhere
+ * else in the VM startup sequence.
+ */
+
+ static PrintStream makeStandardErrorStream()
+ {
+ return new PrintStream(new BufferedOutputStream(new FileOutputStream(FileDescriptor.err)), true);
+ }
+
+ /**
+ * Gets the value of an environment variable.
+ * Always returning null is a valid (but not very useful) implementation.
+ *
+ * @param name The name of the environment variable (will not be null).
+ * @return The string value of the variable or null when the
+ * environment variable is not defined.
+ */
+ static native String getenv(String name);
+}
--- /dev/null
+/* VMThread -- VM interface for Thread of executable code
+ Copyright (C) 2003, 2004, 2005 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.lang;
+
+/**
+ * VM interface for Thread of executable code. Holds VM dependent state.
+ * It is deliberately package local and final and should only be accessed
+ * by the Thread class.
+ * <p>
+ * This is the GNU Classpath reference implementation, it should be adapted
+ * for a specific VM.
+ * <p>
+ * The following methods must be implemented:
+ * <ul>
+ * <li>native void start(long stacksize);
+ * <li>native void interrupt();
+ * <li>native boolean isInterrupted();
+ * <li>native void suspend();
+ * <li>native void resume();
+ * <li>native void nativeSetPriority(int priority);
+ * <li>native void nativeStop(Throwable t);
+ * <li>native static Thread currentThread();
+ * <li>static native void yield();
+ * <li>static native boolean interrupted();
+ * </ul>
+ * All other methods may be implemented to make Thread handling more efficient
+ * or to implement some optional (and sometimes deprecated) behaviour. Default
+ * implementations are provided but it is highly recommended to optimize them
+ * for a specific VM.
+ *
+ * @author Jeroen Frijters (jeroen@frijters.net)
+ * @author Dalibor Topic (robilad@kaffe.org)
+ */
+final class VMThread
+{
+ /**
+ * The Thread object that this VM state belongs to.
+ * Used in currentThread() and start().
+ * Note: when this thread dies, this reference is *not* cleared
+ */
+ volatile Thread thread;
+
+ /**
+ * Flag that is set when the thread runs, used by stop() to protect against
+ * stop's getting lost.
+ */
+ private volatile boolean running;
+
+ /**
+ * VM private data.
+ */
+ private transient Object vmdata;
+
+ /**
+ * Private constructor, create VMThreads with the static create method.
+ *
+ * @param thread The Thread object that was just created.
+ */
+ private VMThread(Thread thread)
+ {
+ this.thread = thread;
+ }
+
+ /**
+ * This method is the initial Java code that gets executed when a native
+ * thread starts. It's job is to coordinate with the rest of the VMThread
+ * logic and to start executing user code and afterwards handle clean up.
+ */
+ private void run()
+ {
+ try
+ {
+ try
+ {
+ running = true;
+ synchronized(thread)
+ {
+ Throwable t = thread.stillborn;
+ if(t != null)
+ {
+ thread.stillborn = null;
+ throw t;
+ }
+ }
+ thread.run();
+ }
+ catch(Throwable t)
+ {
+ try
+ {
+ thread.group.uncaughtException(thread, t);
+ }
+ catch(Throwable ignore)
+ {
+ }
+ }
+ }
+ finally
+ {
+ // Setting runnable to false is partial protection against stop
+ // being called while we're cleaning up. To be safe all code in
+ // VMThread be unstoppable.
+ running = false;
+ thread.die();
+ synchronized(this)
+ {
+ // release the threads waiting to join us
+ notifyAll();
+ }
+ }
+ }
+
+ /**
+ * Creates a native Thread. This is called from the start method of Thread.
+ * The Thread is started.
+ *
+ * @param thread The newly created Thread object
+ * @param stacksize Indicates the requested stacksize. Normally zero,
+ * non-zero values indicate requested stack size in bytes but it is up
+ * to the specific VM implementation to interpret them and may be ignored.
+ */
+ static void create(Thread thread, long stacksize)
+ {
+ VMThread vmThread = new VMThread(thread);
+ vmThread.start(stacksize);
+ thread.vmThread = vmThread;
+ }
+
+ /**
+ * Gets the name of the thread. Usually this is the name field of the
+ * associated Thread object, but some implementation might choose to
+ * return the name of the underlying platform thread.
+ */
+ String getName()
+ {
+ return thread.name;
+ }
+
+ /**
+ * Set the name of the thread. Usually this sets the name field of the
+ * associated Thread object, but some implementations might choose to
+ * set the name of the underlying platform thread.
+ * @param name The new name
+ */
+ void setName(String name)
+ {
+ thread.name = name;
+ }
+
+ /**
+ * Set the thread priority field in the associated Thread object and
+ * calls the native method to set the priority of the underlying
+ * platform thread.
+ * @param priority The new priority
+ */
+ void setPriority(int priority)
+ {
+ thread.priority = priority;
+ nativeSetPriority(priority);
+ }
+
+ /**
+ * Returns the priority. Usually this is the priority field from the
+ * associated Thread object, but some implementation might choose to
+ * return the priority of the underlying platform thread.
+ * @return this Thread's priority
+ */
+ int getPriority()
+ {
+ return thread.priority;
+ }
+
+ /**
+ * Returns true if the thread is a daemon thread. Usually this is the
+ * daemon field from the associated Thread object, but some
+ * implementation might choose to return the daemon state of the underlying
+ * platform thread.
+ * @return whether this is a daemon Thread or not
+ */
+ boolean isDaemon()
+ {
+ return thread.daemon;
+ }
+
+ /**
+ * Returns the number of stack frames in this Thread.
+ * Will only be called when when a previous call to suspend() returned true.
+ *
+ * @deprecated unsafe operation
+ */
+ native int countStackFrames();
+
+ /**
+ * Wait the specified amount of time for the Thread in question to die.
+ *
+ * <p>Note that 1,000,000 nanoseconds == 1 millisecond, but most VMs do
+ * not offer that fine a grain of timing resolution. Besides, there is
+ * no guarantee that this thread can start up immediately when time expires,
+ * because some other thread may be active. So don't expect real-time
+ * performance.
+ *
+ * @param ms the number of milliseconds to wait, or 0 for forever
+ * @param ns the number of extra nanoseconds to sleep (0-999999)
+ * @throws InterruptedException if the Thread is interrupted; it's
+ * <i>interrupted status</i> will be cleared
+ */
+ synchronized void join(long ms, int ns) throws InterruptedException
+ {
+ // Round up
+ ms += (ns != 0) ? 1 : 0;
+
+ // Compute end time, but don't overflow
+ long now = System.currentTimeMillis();
+ long end = now + ms;
+ if (end < now)
+ end = Long.MAX_VALUE;
+
+ // A VM is allowed to return from wait() without notify() having been
+ // called, so we loop to handle possible spurious wakeups.
+ while(thread.vmThread != null)
+ {
+ // We use the VMThread object to wait on, because this is a private
+ // object, so client code cannot call notify on us.
+ wait(ms);
+ if(ms != 0)
+ {
+ now = System.currentTimeMillis();
+ ms = end - now;
+ if(ms <= 0)
+ {
+ break;
+ }
+ }
+ }
+ }
+
+ /**
+ * Cause this Thread to stop abnormally and throw the specified exception.
+ * If you stop a Thread that has not yet started, the stop is ignored
+ * (contrary to what the JDK documentation says).
+ * <b>WARNING</b>This bypasses Java security, and can throw a checked
+ * exception which the call stack is unprepared to handle. Do not abuse
+ * this power.
+ *
+ * <p>This is inherently unsafe, as it can interrupt synchronized blocks and
+ * leave data in bad states.
+ *
+ * <p><b>NOTE</b> stop() should take care not to stop a thread if it is
+ * executing code in this class.
+ *
+ * @param t the Throwable to throw when the Thread dies
+ * @deprecated unsafe operation, try not to use
+ */
+ void stop(Throwable t)
+ {
+ // Note: we assume that we own the lock on thread
+ // (i.e. that Thread.stop() is synchronized)
+ if(running)
+ nativeStop(t);
+ else
+ thread.stillborn = t;
+ }
+
+ /**
+ * Create a native thread on the underlying platform and start it executing
+ * on the run method of this object.
+ * @param stacksize the requested size of the native thread stack
+ */
+ native void start(long stacksize);
+
+ /**
+ * Interrupt this thread.
+ */
+ native void interrupt();
+
+ /**
+ * Determine whether this Thread has been interrupted, but leave
+ * the <i>interrupted status</i> alone in the process.
+ *
+ * @return whether the Thread has been interrupted
+ */
+ native boolean isInterrupted();
+
+ /**
+ * Suspend this Thread. It will not come back, ever, unless it is resumed.
+ */
+ native void suspend();
+
+ /**
+ * Resume this Thread. If the thread is not suspended, this method does
+ * nothing.
+ */
+ native void resume();
+
+ /**
+ * Set the priority of the underlying platform thread.
+ *
+ * @param priority the new priority
+ */
+ native void nativeSetPriority(int priority);
+
+ /**
+ * Asynchronously throw the specified throwable in this Thread.
+ *
+ * @param t the exception to throw
+ */
+ native void nativeStop(Throwable t);
+
+ /**
+ * Return the Thread object associated with the currently executing
+ * thread.
+ *
+ * @return the currently executing Thread
+ */
+ static native Thread currentThread();
+
+ /**
+ * Yield to another thread. The Thread will not lose any locks it holds
+ * during this time. There are no guarantees which thread will be
+ * next to run, and it could even be this one, but most VMs will choose
+ * the highest priority thread that has been waiting longest.
+ */
+ static native void yield();
+
+ /**
+ * Suspend the current Thread's execution for the specified amount of
+ * time. The Thread will not lose any locks it has during this time. There
+ * are no guarantees which thread will be next to run, but most VMs will
+ * choose the highest priority thread that has been waiting longest.
+ *
+ * <p>Note that 1,000,000 nanoseconds == 1 millisecond, but most VMs do
+ * not offer that fine a grain of timing resolution. Besides, there is
+ * no guarantee that this thread can start up immediately when time expires,
+ * because some other thread may be active. So don't expect real-time
+ * performance.
+ *
+ * @param ms the number of milliseconds to sleep.
+ * @param ns the number of extra nanoseconds to sleep (0-999999)
+ * @throws InterruptedException if the Thread is (or was) interrupted;
+ * it's <i>interrupted status</i> will be cleared
+ */
+ static void sleep(long ms, int ns) throws InterruptedException
+ {
+
+ // Round up
+ ms += (ns != 0) ? 1 : 0;
+
+ // Note: JDK treats a zero length sleep is like Thread.yield(),
+ // without checking the interrupted status of the thread.
+ // It's unclear if this is a bug in the implementation or the spec.
+ // See http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6213203
+ if (ms == 0)
+ {
+ if (Thread.interrupted())
+ throw new InterruptedException();
+ return;
+ }
+
+ // Compute end time, but don't overflow
+ long now = System.currentTimeMillis();
+ long end = now + ms;
+ if (end < now)
+ end = Long.MAX_VALUE;
+
+ // A VM is allowed to return from wait() without notify() having been
+ // called, so we loop to handle possible spurious wakeups.
+ VMThread vt = Thread.currentThread().vmThread;
+ synchronized (vt)
+ {
+ while (true)
+ {
+ vt.wait(ms);
+ now = System.currentTimeMillis();
+ if (now >= end)
+ break;
+ ms = end - now;
+ }
+ }
+ }
+
+ /**
+ * Determine whether the current Thread has been interrupted, and clear
+ * the <i>interrupted status</i> in the process.
+ *
+ * @return whether the current Thread has been interrupted
+ */
+ static native boolean interrupted();
+
+ /**
+ * Checks whether the current thread holds the monitor on a given object.
+ * This allows you to do <code>assert Thread.holdsLock(obj)</code>.
+ *
+ * @param obj the object to check
+ * @return true if the current thread is currently synchronized on obj
+ * @throws NullPointerException if obj is null
+ */
+ static boolean holdsLock(Object obj)
+ {
+ /* Use obj.notify to check if the current thread holds
+ * the monitor of the object.
+ * If it doesn't, notify will throw an exception.
+ */
+ try
+ {
+ obj.notify();
+ // okay, current thread holds lock
+ return true;
+ }
+ catch (IllegalMonitorStateException e)
+ {
+ // it doesn't hold the lock
+ return false;
+ }
+ }
+}
--- /dev/null
+/* java.lang.VMThrowable -- VM support methods for Throwable.
+ Copyright (C) 1998, 1999, 2002 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.lang;
+
+/**
+ * VM dependant state and support methods for Throwable.
+ * It is deliberately package local and final and should only be accessed
+ * by the Throwable class.
+ * <p>
+ * This is the GNU Classpath reference implementation, it should be adapted
+ * for a specific VM. The reference implementation does nothing.
+ *
+ * @author Mark Wielaard (mark@klomp.org)
+ */
+final class VMThrowable
+{
+ /**
+ * VM private data.
+ */
+ private transient Object vmdata;
+
+ /**
+ * Private contructor, create VMThrowables with fillInStackTrace();
+ */
+ private VMThrowable() { }
+
+ /**
+ * Fill in the stack trace with the current execution stack.
+ * Called by <code>Throwable.fillInStackTrace()</code> to get the state of
+ * the VM. Can return null when the VM does not support caputing the VM
+ * execution state.
+ *
+ * @return a new VMThrowable containing the current execution stack trace.
+ * @see Throwable#fillInStackTrace()
+ */
+ static native VMThrowable fillInStackTrace(Throwable t);
+
+ /**
+ * Returns an <code>StackTraceElement</code> array based on the execution
+ * state of the VM as captured by <code>fillInStackTrace</code>.
+ * Called by <code>Throwable.getStackTrace()</code>.
+ *
+ * @return a non-null but possible zero length array of StackTraceElement.
+ * @see Throwable#getStackTrace()
+ */
+ native StackTraceElement[] getStackTrace(Throwable t);
+}
--- /dev/null
+/* java.lang.reflect.Constructor - reflection of Java constructors
+ Copyright (C) 1998, 2001 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.lang.reflect;
+
+import java.util.Arrays;
+
+/**
+ * The Constructor class represents a constructor of a class. It also allows
+ * dynamic creation of an object, via reflection. Invocation on Constructor
+ * objects knows how to do widening conversions, but throws
+ * {@link IllegalArgumentException} if a narrowing conversion would be
+ * necessary. You can query for information on this Constructor regardless
+ * of location, but construction access may be limited by Java language
+ * access controls. If you can't do it in the compiler, you can't normally
+ * do it here either.<p>
+ *
+ * <B>Note:</B> This class returns and accepts types as Classes, even
+ * primitive types; there are Class types defined that represent each
+ * different primitive type. They are <code>java.lang.Boolean.TYPE,
+ * java.lang.Byte.TYPE,</code>, also available as <code>boolean.class,
+ * byte.class</code>, etc. These are not to be confused with the
+ * classes <code>java.lang.Boolean, java.lang.Byte</code>, etc., which are
+ * real classes.<p>
+ *
+ * Also note that this is not a serializable class. It is entirely feasible
+ * to make it serializable using the Externalizable interface, but this is
+ * on Sun, not me.
+ *
+ * @author John Keiser
+ * @author Eric Blake <ebb9@email.byu.edu>
+ * @see Member
+ * @see Class
+ * @see java.lang.Class#getConstructor(Object[])
+ * @see java.lang.Class#getDeclaredConstructor(Object[])
+ * @see java.lang.Class#getConstructors()
+ * @see java.lang.Class#getDeclaredConstructors()
+ * @since 1.1
+ * @status updated to 1.4
+ */
+public final class Constructor
+extends AccessibleObject implements Member
+{
+ private Class clazz;
+ private int slot;
+
+ /**
+ * This class is uninstantiable except from native code.
+ */
+ private Constructor(Class declaringClass,int slot)
+ {
+ this.clazz = declaringClass;
+ this.slot = slot;
+ }
+
+ private Constructor()
+ {
+ }
+
+ /**
+ * Gets the class that declared this constructor.
+ * @return the class that declared this member
+ */
+ public Class getDeclaringClass()
+ {
+ return clazz;
+ }
+
+ /**
+ * Gets the name of this constructor (the non-qualified name of the class
+ * it was declared in).
+ * @return the name of this constructor
+ */
+ public String getName()
+ {
+ return getDeclaringClass().getName();
+ }
+
+ /**
+ * Gets the modifiers this constructor uses. Use the <code>Modifier</code>
+ * class to interpret the values. A constructor can only have a subset of the
+ * following modifiers: public, private, protected.
+ *
+ * @return an integer representing the modifiers to this Member
+ * @see Modifier
+ */
+ public native int getModifiers();
+
+ /**
+ * Get the parameter list for this constructor, in declaration order. If the
+ * constructor takes no parameters, returns a 0-length array (not null).
+ *
+ * @return a list of the types of the constructor's parameters
+ */
+ public native Class[] getParameterTypes();
+
+ /**
+ * Get the exception types this constructor says it throws, in no particular
+ * order. If the constructor has no throws clause, returns a 0-length array
+ * (not null).
+ *
+ * @return a list of the types in the constructor's throws clause
+ */
+ public native Class[] getExceptionTypes();
+
+ /**
+ * Compare two objects to see if they are semantically equivalent.
+ * Two Constructors are semantically equivalent if they have the same
+ * declaring class and the same parameter list. This ignores different
+ * exception clauses, but since you can't create a Method except through the
+ * VM, this is just the == relation.
+ *
+ * @param o the object to compare to
+ * @return <code>true</code> if they are equal; <code>false</code> if not.
+ */
+ public boolean equals(Object o)
+ {
+ if (!(o instanceof Constructor))
+ return false;
+ Constructor that = (Constructor)o;
+ if (this.getDeclaringClass() != that.getDeclaringClass())
+ return false;
+ if (!Arrays.equals(this.getParameterTypes(), that.getParameterTypes()))
+ return false;
+ return true;
+ }
+
+ /**
+ * Get the hash code for the Constructor. The Constructor hash code is the
+ * hash code of the declaring class's name.
+ *
+ * @return the hash code for the object
+ */
+ public int hashCode()
+ {
+ return getDeclaringClass().getName().hashCode();
+ }
+
+ /**
+ * Get a String representation of the Constructor. A Constructor's String
+ * representation is "<modifier> <classname>(<paramtypes>)
+ * throws <exceptions>", where everything after ')' is omitted if
+ * there are no exceptions.<br> Example:
+ * <code>public java.io.FileInputStream(java.lang.Runnable)
+ * throws java.io.FileNotFoundException</code>
+ *
+ * @return the String representation of the Constructor
+ */
+ public String toString()
+ {
+ // 128 is a reasonable buffer initial size for constructor
+ StringBuffer sb = new StringBuffer(128);
+ Modifier.toString(getModifiers(), sb).append(' ');
+ sb.append(getDeclaringClass().getName()).append('(');
+ Class[] c = getParameterTypes();
+ if (c.length > 0)
+ {
+ sb.append(c[0].getName());
+ for (int i = 1; i < c.length; i++)
+ sb.append(',').append(c[i].getName());
+ }
+ sb.append(')');
+ c = getExceptionTypes();
+ if (c.length > 0)
+ {
+ sb.append(" throws ").append(c[0].getName());
+ for (int i = 1; i < c.length; i++)
+ sb.append(',').append(c[i].getName());
+ }
+ return sb.toString();
+ }
+
+ /**
+ * Create a new instance by invoking the constructor. Arguments are
+ * automatically unwrapped and widened, if needed.<p>
+ *
+ * If this class is abstract, you will get an
+ * <code>InstantiationException</code>. If the constructor takes 0
+ * arguments, you may use null or a 0-length array for <code>args</code>.<p>
+ *
+ * If this Constructor enforces access control, your runtime context is
+ * evaluated, and you may have an <code>IllegalAccessException</code> if
+ * you could not create this object in similar compiled code. If the class
+ * is uninitialized, you trigger class initialization, which may end in a
+ * <code>ExceptionInInitializerError</code>.<p>
+ *
+ * Then, the constructor is invoked. If it completes normally, the return
+ * value will be the new object. If it completes abruptly, the exception is
+ * wrapped in an <code>InvocationTargetException</code>.
+ *
+ * @param args the arguments to the constructor
+ * @return the newly created object
+ * @throws IllegalAccessException if the constructor could not normally be
+ * called by the Java code (i.e. it is not public)
+ * @throws IllegalArgumentException if the number of arguments is incorrect;
+ * or if the arguments types are wrong even with a widening
+ * conversion
+ * @throws InstantiationException if the class is abstract
+ * @throws InvocationTargetException if the constructor throws an exception
+ * @throws ExceptionInInitializerError if construction triggered class
+ * initialization, which then failed
+ */
+ public Object newInstance(Object args[])
+ throws InstantiationException, IllegalAccessException,
+ InvocationTargetException
+ {
+ return constructNative(args, clazz, slot);
+ }
+
+ private native Object constructNative(Object[] args, Class declaringClass,
+ int slot)
+ throws InstantiationException, IllegalAccessException,
+ InvocationTargetException;
+}
--- /dev/null
+/* java.lang.reflect.Field - reflection of Java fields
+ Copyright (C) 1998, 2001 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.lang.reflect;
+
+/**
+ * The Field class represents a member variable of a class. It also allows
+ * dynamic access to a member, via reflection. This works for both
+ * static and instance fields. Operations on Field objects know how to
+ * do widening conversions, but throw {@link IllegalArgumentException} if
+ * a narrowing conversion would be necessary. You can query for information
+ * on this Field regardless of location, but get and set access may be limited
+ * by Java language access controls. If you can't do it in the compiler, you
+ * can't normally do it here either.<p>
+ *
+ * <B>Note:</B> This class returns and accepts types as Classes, even
+ * primitive types; there are Class types defined that represent each
+ * different primitive type. They are <code>java.lang.Boolean.TYPE,
+ * java.lang.Byte.TYPE,</code>, also available as <code>boolean.class,
+ * byte.class</code>, etc. These are not to be confused with the
+ * classes <code>java.lang.Boolean, java.lang.Byte</code>, etc., which are
+ * real classes.<p>
+ *
+ * Also note that this is not a serializable class. It is entirely feasible
+ * to make it serializable using the Externalizable interface, but this is
+ * on Sun, not me.
+ *
+ * @author John Keiser
+ * @author Eric Blake <ebb9@email.byu.edu>
+ * @see Member
+ * @see Class
+ * @see Class#getField(String)
+ * @see Class#getDeclaredField(String)
+ * @see Class#getFields()
+ * @see Class#getDeclaredFields()
+ * @since 1.1
+ * @status updated to 1.4
+ */
+public final class Field
+extends AccessibleObject implements Member
+{
+ private Class declaringClass;
+ private String name;
+ private int slot;
+
+ /**
+ * This class is uninstantiable except natively.
+ */
+ private Field(Class declaringClass, String name, int slot)
+ {
+ this.declaringClass = declaringClass;
+ this.name = name;
+ this.slot = slot;
+ }
+
+ /**
+ * Gets the class that declared this field, or the class where this field
+ * is a non-inherited member.
+ * @return the class that declared this member
+ */
+ public Class getDeclaringClass()
+ {
+ return declaringClass;
+ }
+
+ /**
+ * Gets the name of this field.
+ * @return the name of this field
+ */
+ public String getName()
+ {
+ return name;
+ }
+
+ /**
+ * Gets the modifiers this field uses. Use the <code>Modifier</code>
+ * class to interpret the values. A field can only have a subset of the
+ * following modifiers: public, private, protected, static, final,
+ * transient, and volatile.
+ *
+ * @return an integer representing the modifiers to this Member
+ * @see Modifier
+ */
+ public native int getModifiers();
+
+ /**
+ * Gets the type of this field.
+ * @return the type of this field
+ */
+ public native Class getType();
+
+ /**
+ * Compare two objects to see if they are semantically equivalent.
+ * Two Fields are semantically equivalent if they have the same declaring
+ * class, name, and type. Since you can't creat a Field except through
+ * the VM, this is just the == relation.
+ *
+ * @param o the object to compare to
+ * @return <code>true</code> if they are equal; <code>false</code> if not
+ */
+ public boolean equals(Object o)
+ {
+ if (!(o instanceof Field))
+ return false;
+ Field that = (Field)o;
+ if (this.getDeclaringClass() != that.getDeclaringClass())
+ return false;
+ if (!this.getName().equals(that.getName()))
+ return false;
+ if (this.getType() != that.getType())
+ return false;
+ return true;
+ }
+
+ /**
+ * Get the hash code for the Field. The Field hash code is the hash code
+ * of its name XOR'd with the hash code of its class name.
+ *
+ * @return the hash code for the object.
+ */
+ public int hashCode()
+ {
+ return getDeclaringClass().getName().hashCode() ^ getName().hashCode();
+ }
+
+ /**
+ * Get a String representation of the Field. A Field's String
+ * representation is "<modifiers> <type>
+ * <class>.<fieldname>".<br> Example:
+ * <code>public transient boolean gnu.parse.Parser.parseComplete</code>
+ *
+ * @return the String representation of the Field
+ */
+ public String toString()
+ {
+ // 64 is a reasonable buffer initial size for field
+ StringBuffer sb = new StringBuffer(64);
+ Modifier.toString(getModifiers(), sb).append(' ');
+ sb.append(getType().getName()).append(' ');
+ sb.append(getDeclaringClass().getName()).append('.');
+ sb.append(getName());
+ return sb.toString();
+ }
+
+ /**
+ * Get the value of this Field. If it is primitive, it will be wrapped
+ * in the appropriate wrapper type (boolean = java.lang.Boolean).<p>
+ *
+ * If the field is static, <code>o</code> will be ignored. Otherwise, if
+ * <code>o</code> is null, you get a <code>NullPointerException</code>,
+ * and if it is incompatible with the declaring class of the field, you
+ * get an <code>IllegalArgumentException</code>.<p>
+ *
+ * Next, if this Field enforces access control, your runtime context is
+ * evaluated, and you may have an <code>IllegalAccessException</code> if
+ * you could not access this field in similar compiled code. If the field
+ * is static, and its class is uninitialized, you trigger class
+ * initialization, which may end in a
+ * <code>ExceptionInInitializerError</code>.<p>
+ *
+ * Finally, the field is accessed, and primitives are wrapped (but not
+ * necessarily in new objects). This method accesses the field of the
+ * declaring class, even if the instance passed in belongs to a subclass
+ * which declares another field to hide this one.
+ *
+ * @param o the object to get the value of this Field from
+ * @return the value of the Field
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if <code>o</code> is not an instance of
+ * the class or interface declaring this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #getBoolean(Object)
+ * @see #getByte(Object)
+ * @see #getChar(Object)
+ * @see #getShort(Object)
+ * @see #getInt(Object)
+ * @see #getLong(Object)
+ * @see #getFloat(Object)
+ * @see #getDouble(Object)
+ */
+ public native Object get(Object o)
+ throws IllegalAccessException;
+
+ /**
+ * Get the value of this boolean Field. If the field is static,
+ * <code>o</code> will be ignored.
+ *
+ * @param o the object to get the value of this Field from
+ * @return the value of the Field
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a boolean field of
+ * <code>o</code>, or if <code>o</code> is not an instance of the
+ * declaring class of this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #get(Object)
+ */
+ public native boolean getBoolean(Object o)
+ throws IllegalAccessException;
+
+ /**
+ * Get the value of this byte Field. If the field is static,
+ * <code>o</code> will be ignored.
+ *
+ * @param o the object to get the value of this Field from
+ * @return the value of the Field
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a byte field of
+ * <code>o</code>, or if <code>o</code> is not an instance of the
+ * declaring class of this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #get(Object)
+ */
+ public native byte getByte(Object o)
+ throws IllegalAccessException;
+
+ /**
+ * Get the value of this Field as a char. If the field is static,
+ * <code>o</code> will be ignored.
+ *
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a char field of
+ * <code>o</code>, or if <code>o</code> is not an instance
+ * of the declaring class of this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #get(Object)
+ */
+ public native char getChar(Object o)
+ throws IllegalAccessException;
+
+ /**
+ * Get the value of this Field as a short. If the field is static,
+ * <code>o</code> will be ignored.
+ *
+ * @param o the object to get the value of this Field from
+ * @return the value of the Field
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a byte or short
+ * field of <code>o</code>, or if <code>o</code> is not an instance
+ * of the declaring class of this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #get(Object)
+ */
+ public native short getShort(Object o)
+ throws IllegalAccessException;
+
+ /**
+ * Get the value of this Field as an int. If the field is static,
+ * <code>o</code> will be ignored.
+ *
+ * @param o the object to get the value of this Field from
+ * @return the value of the Field
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a byte, short, char, or
+ * int field of <code>o</code>, or if <code>o</code> is not an
+ * instance of the declaring class of this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #get(Object)
+ */
+ public native int getInt(Object o)
+ throws IllegalAccessException;
+
+ /**
+ * Get the value of this Field as a long. If the field is static,
+ * <code>o</code> will be ignored.
+ *
+ * @param o the object to get the value of this Field from
+ * @return the value of the Field
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a byte, short, char, int,
+ * or long field of <code>o</code>, or if <code>o</code> is not an
+ * instance of the declaring class of this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #get(Object)
+ */
+ public native long getLong(Object o)
+ throws IllegalAccessException;
+
+ /**
+ * Get the value of this Field as a float. If the field is static,
+ * <code>o</code> will be ignored.
+ *
+ * @param o the object to get the value of this Field from
+ * @return the value of the Field
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a byte, short, char, int,
+ * long, or float field of <code>o</code>, or if <code>o</code> is
+ * not an instance of the declaring class of this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #get(Object)
+ */
+ public native float getFloat(Object o)
+ throws IllegalAccessException;
+
+ /**
+ * Get the value of this Field as a double. If the field is static,
+ * <code>o</code> will be ignored.
+ *
+ * @param o the object to get the value of this Field from
+ * @return the value of the Field
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a byte, short, char, int,
+ * long, float, or double field of <code>o</code>, or if
+ * <code>o</code> is not an instance of the declaring class of this
+ * field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #get(Object)
+ */
+ public native double getDouble(Object o)
+ throws IllegalAccessException;
+
+ /**
+ * Set the value of this Field. If it is a primitive field, the value
+ * will be unwrapped from the passed object (boolean = java.lang.Boolean).<p>
+ *
+ * If the field is static, <code>o</code> will be ignored. Otherwise, if
+ * <code>o</code> is null, you get a <code>NullPointerException</code>,
+ * and if it is incompatible with the declaring class of the field, you
+ * get an <code>IllegalArgumentException</code>.<p>
+ *
+ * Next, if this Field enforces access control, your runtime context is
+ * evaluated, and you may have an <code>IllegalAccessException</code> if
+ * you could not access this field in similar compiled code. This also
+ * occurs whether or not there is access control if the field is final.
+ * If the field is primitive, and unwrapping your argument fails, you will
+ * get an <code>IllegalArgumentException</code>; likewise, this error
+ * happens if <code>value</code> cannot be cast to the correct object type.
+ * If the field is static, and its class is uninitialized, you trigger class
+ * initialization, which may end in a
+ * <code>ExceptionInInitializerError</code>.<p>
+ *
+ * Finally, the field is set with the widened value. This method accesses
+ * the field of the declaring class, even if the instance passed in belongs
+ * to a subclass which declares another field to hide this one.
+ *
+ * @param o the object to set this Field on
+ * @param value the value to set this Field to
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if <code>value</code> cannot be
+ * converted by a widening conversion to the underlying type of
+ * the Field, or if <code>o</code> is not an instance of the class
+ * declaring this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #setBoolean(Object, boolean)
+ * @see #setByte(Object, byte)
+ * @see #setChar(Object, char)
+ * @see #setShort(Object, short)
+ * @see #setInt(Object, int)
+ * @see #setLong(Object, long)
+ * @see #setFloat(Object, float)
+ * @see #setDouble(Object, double)
+ */
+ public native void set(Object o, Object value)
+ throws IllegalAccessException;
+
+ /**
+ * Set this boolean Field. If the field is static, <code>o</code> will be
+ * ignored.
+ *
+ * @param o the object to set this Field on
+ * @param value the value to set this Field to
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a boolean field, or if
+ * <code>o</code> is not an instance of the class declaring this
+ * field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #set(Object, Object)
+ */
+ public native void setBoolean(Object o, boolean value)
+ throws IllegalAccessException;
+
+ /**
+ * Set this byte Field. If the field is static, <code>o</code> will be
+ * ignored.
+ *
+ * @param o the object to set this Field on
+ * @param value the value to set this Field to
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a byte, short, int, long,
+ * float, or double field, or if <code>o</code> is not an instance
+ * of the class declaring this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #set(Object, Object)
+ */
+ public native void setByte(Object o, byte value)
+ throws IllegalAccessException;
+
+ /**
+ * Set this char Field. If the field is static, <code>o</code> will be
+ * ignored.
+ *
+ * @param o the object to set this Field on
+ * @param value the value to set this Field to
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a char, int, long,
+ * float, or double field, or if <code>o</code> is not an instance
+ * of the class declaring this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #set(Object, Object)
+ */
+ public native void setChar(Object o, char value)
+ throws IllegalAccessException;
+
+ /**
+ * Set this short Field. If the field is static, <code>o</code> will be
+ * ignored.
+ *
+ * @param o the object to set this Field on
+ * @param value the value to set this Field to
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a short, int, long,
+ * float, or double field, or if <code>o</code> is not an instance
+ * of the class declaring this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #set(Object, Object)
+ */
+ public native void setShort(Object o, short value)
+ throws IllegalAccessException;
+
+ /**
+ * Set this int Field. If the field is static, <code>o</code> will be
+ * ignored.
+ *
+ * @param o the object to set this Field on
+ * @param value the value to set this Field to
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not an int, long, float, or
+ * double field, or if <code>o</code> is not an instance of the
+ * class declaring this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #set(Object, Object)
+ */
+ public native void setInt(Object o, int value)
+ throws IllegalAccessException;
+
+ /**
+ * Set this long Field. If the field is static, <code>o</code> will be
+ * ignored.
+ *
+ * @param o the object to set this Field on
+ * @param value the value to set this Field to
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a long, float, or double
+ * field, or if <code>o</code> is not an instance of the class
+ * declaring this field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #set(Object, Object)
+ */
+ public native void setLong(Object o, long value)
+ throws IllegalAccessException;
+
+ /**
+ * Set this float Field. If the field is static, <code>o</code> will be
+ * ignored.
+ *
+ * @param o the object to set this Field on
+ * @param value the value to set this Field to
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a float or long field, or
+ * if <code>o</code> is not an instance of the class declaring this
+ * field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #set(Object, Object)
+ */
+ public native void setFloat(Object o, float value)
+ throws IllegalAccessException;
+
+ /**
+ * Set this double Field. If the field is static, <code>o</code> will be
+ * ignored.
+ *
+ * @param o the object to set this Field on
+ * @param value the value to set this Field to
+ * @throws IllegalAccessException if you could not normally access this field
+ * (i.e. it is not public)
+ * @throws IllegalArgumentException if this is not a double field, or if
+ * <code>o</code> is not an instance of the class declaring this
+ * field
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static field triggered
+ * class initialization, which then failed
+ * @see #set(Object, Object)
+ */
+ public native void setDouble(Object o, double value)
+ throws IllegalAccessException;
+}
--- /dev/null
+/* java.lang.reflect.Method - reflection of Java methods
+ Copyright (C) 1998, 2001, 2002 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.lang.reflect;
+
+import java.util.Arrays;
+
+/**
+ * The Method class represents a member method of a class. It also allows
+ * dynamic invocation, via reflection. This works for both static and
+ * instance methods. Invocation on Method objects knows how to do
+ * widening conversions, but throws {@link IllegalArgumentException} if
+ * a narrowing conversion would be necessary. You can query for information
+ * on this Method regardless of location, but invocation access may be limited
+ * by Java language access controls. If you can't do it in the compiler, you
+ * can't normally do it here either.<p>
+ *
+ * <B>Note:</B> This class returns and accepts types as Classes, even
+ * primitive types; there are Class types defined that represent each
+ * different primitive type. They are <code>java.lang.Boolean.TYPE,
+ * java.lang.Byte.TYPE,</code>, also available as <code>boolean.class,
+ * byte.class</code>, etc. These are not to be confused with the
+ * classes <code>java.lang.Boolean, java.lang.Byte</code>, etc., which are
+ * real classes.<p>
+ *
+ * Also note that this is not a serializable class. It is entirely feasible
+ * to make it serializable using the Externalizable interface, but this is
+ * on Sun, not me.
+ *
+ * @author John Keiser
+ * @author Eric Blake <ebb9@email.byu.edu>
+ * @see Member
+ * @see Class
+ * @see java.lang.Class#getMethod(String,Object[])
+ * @see java.lang.Class#getDeclaredMethod(String,Object[])
+ * @see java.lang.Class#getMethods()
+ * @see java.lang.Class#getDeclaredMethods()
+ * @since 1.1
+ * @status updated to 1.4
+ */
+public final class Method
+extends AccessibleObject implements Member
+{
+ Class declaringClass;
+ String name;
+ int slot;
+
+ /**
+ * This class is uninstantiable.
+ */
+ private Method(Class declaringClass, String name, int slot)
+ {
+ this.declaringClass = declaringClass;
+ this.name = name;
+ this.slot = slot;
+ }
+
+ /**
+ * Gets the class that declared this method, or the class where this method
+ * is a non-inherited member.
+ * @return the class that declared this member
+ */
+ public Class getDeclaringClass()
+ {
+ return declaringClass;
+ }
+
+ /**
+ * Gets the name of this method.
+ * @return the name of this method
+ */
+ public String getName()
+ {
+ return name;
+ }
+
+ /**
+ * Gets the modifiers this method uses. Use the <code>Modifier</code>
+ * class to interpret the values. A method can only have a subset of the
+ * following modifiers: public, private, protected, abstract, static,
+ * final, synchronized, native, and strictfp.
+ *
+ * @return an integer representing the modifiers to this Member
+ * @see Modifier
+ */
+ public native int getModifiers();
+
+ /**
+ * Gets the return type of this method.
+ * @return the type of this method
+ */
+ public native Class getReturnType();
+
+ /**
+ * Get the parameter list for this method, in declaration order. If the
+ * method takes no parameters, returns a 0-length array (not null).
+ *
+ * @return a list of the types of the method's parameters
+ */
+ public native Class[] getParameterTypes();
+
+ /**
+ * Get the exception types this method says it throws, in no particular
+ * order. If the method has no throws clause, returns a 0-length array
+ * (not null).
+ *
+ * @return a list of the types in the method's throws clause
+ */
+ public native Class[] getExceptionTypes();
+
+ /**
+ * Compare two objects to see if they are semantically equivalent.
+ * Two Methods are semantically equivalent if they have the same declaring
+ * class, name, parameter list, and return type.
+ *
+ * @param o the object to compare to
+ * @return <code>true</code> if they are equal; <code>false</code> if not
+ */
+ public boolean equals(Object o)
+ {
+ // Implementation note:
+ // The following is a correct but possibly slow implementation.
+ //
+ // This class has a private field 'slot' that could be used by
+ // the VM implementation to "link" a particular method to a Class.
+ // In that case equals could be simply implemented as:
+ //
+ // if (o instanceof Method)
+ // {
+ // Method m = (Method)o;
+ // return m.declaringClass == this.declaringClass
+ // && m.slot == this.slot;
+ // }
+ // return false;
+ //
+ // If a VM uses the Method class as their native/internal representation
+ // then just using the following would be optimal:
+ //
+ // return this == o;
+ //
+ if (!(o instanceof Method))
+ return false;
+ Method that = (Method)o;
+ if (this.getDeclaringClass() != that.getDeclaringClass())
+ return false;
+ if (!this.getName().equals(that.getName()))
+ return false;
+ if (this.getReturnType() != that.getReturnType())
+ return false;
+ if (!Arrays.equals(this.getParameterTypes(), that.getParameterTypes()))
+ return false;
+ return true;
+ }
+
+ /**
+ * Get the hash code for the Method. The Method hash code is the hash code
+ * of its name XOR'd with the hash code of its class name.
+ *
+ * @return the hash code for the object
+ */
+ public int hashCode()
+ {
+ return getDeclaringClass().getName().hashCode() ^ getName().hashCode();
+ }
+
+ /**
+ * Get a String representation of the Method. A Method's String
+ * representation is "<modifiers> <returntype>
+ * <methodname>(<paramtypes>) throws <exceptions>", where
+ * everything after ')' is omitted if there are no exceptions.<br> Example:
+ * <code>public static int run(java.lang.Runnable,int)</code>
+ *
+ * @return the String representation of the Method
+ */
+ public String toString()
+ {
+ // 128 is a reasonable buffer initial size for constructor
+ StringBuffer sb = new StringBuffer(128);
+ Modifier.toString(getModifiers(), sb).append(' ');
+ sb.append(getUserTypeName(getReturnType().getName())).append(' ');
+ sb.append(getDeclaringClass().getName()).append('.');
+ sb.append(getName()).append('(');
+ Class[] c = getParameterTypes();
+ if (c.length > 0)
+ {
+ sb.append(getUserTypeName(c[0].getName()));
+ for (int i = 1; i < c.length; i++)
+ sb.append(',').append(getUserTypeName(c[i].getName()));
+ }
+ sb.append(')');
+ c = getExceptionTypes();
+ if (c.length > 0)
+ {
+ sb.append(" throws ").append(c[0].getName());
+ for (int i = 1; i < c.length; i++)
+ sb.append(',').append(c[i].getName());
+ }
+ return sb.toString();
+ }
+
+ private static String getUserTypeName(String typeSpec)
+ {
+ int pos = 0;
+ String typeName = "";
+ String arrayPart = "";
+
+ while (typeSpec.charAt(pos) == '[')
+ {
+ arrayPart += "[]";
+ ++pos;
+ }
+
+ switch (typeSpec.charAt(pos))
+ {
+ case 'Z':
+ typeName = "boolean";
+ break;
+ case 'B':
+ typeName = "byte";
+ break;
+ case 'C':
+ typeName = "char";
+ break;
+ case 'D':
+ typeName = "double";
+ break;
+ case 'F':
+ typeName = "float";
+ break;
+ case 'I':
+ typeName = "int";
+ break;
+ case 'J':
+ typeName = "long";
+ break;
+ case 'S':
+ typeName = "short";
+ break;
+ case 'L':
+ typeName = typeSpec.substring(pos + 1, typeSpec.length() - 1);
+ break;
+ default:
+ typeName = typeSpec;
+ break;
+ }
+
+ return typeName + arrayPart;
+ }
+
+ /**
+ * Invoke the method. Arguments are automatically unwrapped and widened,
+ * and the result is automatically wrapped, if needed.<p>
+ *
+ * If the method is static, <code>o</code> will be ignored. Otherwise,
+ * the method uses dynamic lookup as described in JLS 15.12.4.4. You cannot
+ * mimic the behavior of nonvirtual lookup (as in super.foo()). This means
+ * you will get a <code>NullPointerException</code> if <code>o</code> is
+ * null, and an <code>IllegalArgumentException</code> if it is incompatible
+ * with the declaring class of the method. If the method takes 0 arguments,
+ * you may use null or a 0-length array for <code>args</code>.<p>
+ *
+ * Next, if this Method enforces access control, your runtime context is
+ * evaluated, and you may have an <code>IllegalAccessException</code> if
+ * you could not acces this method in similar compiled code. If the method
+ * is static, and its class is uninitialized, you trigger class
+ * initialization, which may end in a
+ * <code>ExceptionInInitializerError</code>.<p>
+ *
+ * Finally, the method is invoked. If it completes normally, the return value
+ * will be null for a void method, a wrapped object for a primitive return
+ * method, or the actual return of an Object method. If it completes
+ * abruptly, the exception is wrapped in an
+ * <code>InvocationTargetException</code>.
+ *
+ * @param o the object to invoke the method on
+ * @param args the arguments to the method
+ * @return the return value of the method, wrapped in the appropriate
+ * wrapper if it is primitive
+ * @throws IllegalAccessException if the method could not normally be called
+ * by the Java code (i.e. it is not public)
+ * @throws IllegalArgumentException if the number of arguments is incorrect;
+ * if the arguments types are wrong even with a widening conversion;
+ * or if <code>o</code> is not an instance of the class or interface
+ * declaring this method
+ * @throws InvocationTargetException if the method throws an exception
+ * @throws NullPointerException if <code>o</code> is null and this field
+ * requires an instance
+ * @throws ExceptionInInitializerError if accessing a static method triggered
+ * class initialization, which then failed
+ */
+ public Object invoke(Object o, Object[] args)
+ throws IllegalAccessException, InvocationTargetException
+ {
+ return invokeNative(o, args, declaringClass, slot);
+ }
+
+ /*
+ * NATIVE HELPERS
+ */
+
+ private native Object invokeNative(Object o, Object[] args,
+ Class declaringClass, int slot)
+ throws IllegalAccessException, InvocationTargetException;
+}
--- /dev/null
+/* VMInetAddress.java -- Class to model an Internet address
+ Copyright (C) 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.net;
+
+import gnu.classpath.Configuration;
+
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.ObjectStreamException;
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.StringTokenizer;
+
+class VMInetAddress implements Serializable
+{
+ static
+ {
+ if (Configuration.INIT_LOAD_LIBRARY)
+ System.loadLibrary("javanet");
+ }
+
+ /**
+ * This method looks up the hostname of the local machine
+ * we are on. If the actual hostname cannot be determined, then the
+ * value "localhost" will be used. This native method wrappers the
+ * "gethostname" function.
+ *
+ * @return The local hostname.
+ */
+ public static native String getLocalHostname();
+
+ /**
+ * Returns the value of the special address INADDR_ANY
+ */
+ public static native byte[] lookupInaddrAny() throws UnknownHostException;
+
+ /**
+ * This method returns the hostname for a given IP address. It will
+ * throw an UnknownHostException if the hostname cannot be determined.
+ *
+ * @param ip The IP address as a byte array
+ *
+ * @return The hostname
+ *
+ * @exception UnknownHostException If the reverse lookup fails
+ */
+ public static native String getHostByAddr(byte[] ip)
+ throws UnknownHostException;
+
+ /**
+ * Returns a list of all IP addresses for a given hostname. Will throw
+ * an UnknownHostException if the hostname cannot be resolved.
+ */
+ public static native byte[][] getHostByName(String hostname)
+ throws UnknownHostException;
+}
--- /dev/null
+/* VMNetworkInterface.java --
+ Copyright (C) 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.net;
+
+import gnu.classpath.Configuration;
+
+import java.util.Enumeration;
+import java.util.Vector;
+
+/**
+ * This class models a network interface on the host computer. A network
+ * interface contains a name (typically associated with a specific
+ * hardware adapter) and a list of addresses that are bound to it.
+ * For example, an ethernet interface may be named "eth0" and have the
+ * address 192.168.1.101 assigned to it.
+ *
+ * @author Michael Koch (konqueror@gmx.de)
+ * @since 1.4
+ */
+final class VMNetworkInterface
+{
+ static
+ {
+ if (Configuration.INIT_LOAD_LIBRARY)
+ System.loadLibrary("javanet");
+ }
+
+ public static native Vector getInterfaces()
+ throws SocketException;
+}
--- /dev/null
+/* 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.classpath.RawData;
+
+final class VMDirectByteBuffer
+{
+ static
+ {
+ // load the shared library needed for native methods.
+ if (Configuration.INIT_LOAD_LIBRARY)
+ {
+ System.loadLibrary("javanio");
+ }
+
+ init();
+ }
+
+ private static native void init();
+
+ 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);
+}
--- /dev/null
+/* VMChannels.java --
+ Copyright (C) 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.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.
+ }
+
+ private static Object createStream(Class streamClass, Channel ch)
+ {
+ try
+ {
+ Class[] argTypes = new Class[1];
+ argTypes[0] = FileChannelImpl.class;
+ Constructor constructor =
+ streamClass.getDeclaredConstructor(argTypes);
+ constructor.setAccessible(true);
+ Object[] args = new Object[1];
+ args[0] = ch;
+ return constructor.newInstance(args);
+ }
+ catch (IllegalAccessException e)
+ {
+ // Ignored.
+ }
+ catch (InstantiationException e)
+ {
+ // Ignored.
+ }
+ catch (InvocationTargetException e)
+ {
+ // Ignored.
+ }
+ catch (NoSuchMethodException e)
+ {
+ // Ignored.
+ }
+
+ return null;
+ }
+
+ /**
+ * Constructs a stream that reads bytes from the given channel.
+ */
+ static InputStream newInputStream(ReadableByteChannel ch)
+ {
+ if (ch instanceof FileChannelImpl)
+ return (FileInputStream) createStream(FileInputStream.class, 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 (FileOutputStream) createStream(FileOutputStream.class, ch);
+
+ return new ChannelOutputStream(ch);
+ }
+}
--- /dev/null
+/* VMAccessController.java -- VM-specific access controller methods.
+ Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+
+This program 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.
+
+This program 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 this program; 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.security;
+
+import java.util.HashSet;
+import java.util.LinkedList;
+
+final class VMAccessController
+{
+
+ // Fields.
+ // -------------------------------------------------------------------------
+
+ /**
+ * This is a per-thread stack of AccessControlContext objects (which can
+ * be null) for each call to AccessController.doPrivileged in each thread's
+ * call stack. We use this to remember which context object corresponds to
+ * which call.
+ */
+ private static final ThreadLocal contexts = new ThreadLocal();
+
+ /**
+ * This is a Boolean that, if set, tells getContext that it has already
+ * been called once, allowing us to handle recursive permission checks
+ * caused by methods getContext calls.
+ */
+ private static final ThreadLocal inGetContext = new ThreadLocal();
+
+ /**
+ * And we return this all-permissive context to ensure that privileged
+ * methods called from getContext succeed.
+ */
+ private static final AccessControlContext DEFAULT_CONTEXT;
+ static
+ {
+ CodeSource source = new CodeSource(null, null);
+ Permissions permissions = new Permissions();
+ permissions.add(new AllPermission());
+ ProtectionDomain[] domain = new ProtectionDomain[] {
+ new ProtectionDomain(source, permissions)
+ };
+ DEFAULT_CONTEXT = new AccessControlContext(domain);
+ }
+
+ private static final boolean DEBUG = false;
+ private static void debug(String msg)
+ {
+ System.err.print(">>> VMAccessController: ");
+ System.err.println(msg);
+ }
+
+ // Constructors.
+ // -------------------------------------------------------------------------
+
+ private VMAccessController() { }
+
+ // Class methods.
+ // -------------------------------------------------------------------------
+
+ /**
+ * Relate a class (which should be an instance of {@link PrivilegedAction}
+ * with an access control context. This method is used by {@link
+ * AccessController#doPrivileged(java.security.PrivilegedAction,java.security.AccessControlContext)}
+ * to set up the context that will be returned by {@link #getContext()}.
+ * This method relates the class to the current thread, so contexts
+ * pushed from one thread will not be available to another.
+ *
+ * @param acc The access control context.
+ */
+ static void pushContext (AccessControlContext acc)
+ {
+ if (DEBUG)
+ debug("pushing " + acc);
+ LinkedList stack = (LinkedList) contexts.get();
+ if (stack == null)
+ {
+ stack = new LinkedList();
+ contexts.set(stack);
+ }
+ stack.addFirst(acc);
+ }
+
+ /**
+ * Removes the relation of a class to an {@link AccessControlContext}.
+ * This method is used by {@link AccessController} when exiting from a
+ * call to {@link
+ * AccessController#doPrivileged(java.security.PrivilegedAction,java.security.AccessControlContext)}.
+ */
+ static void popContext()
+ {
+ if (DEBUG)
+ debug("popping context");
+
+ // Stack should never be null, nor should it be empty, if this method
+ // and its counterpart has been called properly.
+ LinkedList stack = (LinkedList) contexts.get();
+ if (stack != null)
+ {
+ stack.removeFirst();
+ if (stack.isEmpty())
+ contexts.set(null);
+ }
+ }
+
+ /**
+ * Examine the method stack of the currently running thread, and create
+ * an {@link AccessControlContext} filled in with the appropriate {@link
+ * ProtectionDomain} objects given this stack.
+ *
+ * @return The context.
+ */
+ static AccessControlContext getContext()
+ {
+ // If we are already in getContext, but called a method that needs
+ // a permission check, return the all-permissive context so methods
+ // called from here succeed.
+ //
+ // XXX is this necessary? We should verify if there are any calls in
+ // the stack below this method that require permission checks.
+ Boolean inCall = (Boolean) inGetContext.get();
+ if (inCall != null && inCall.booleanValue())
+ {
+ if (DEBUG)
+ debug("already in getContext");
+ return DEFAULT_CONTEXT;
+ }
+
+ inGetContext.set(Boolean.TRUE);
+
+ Object[][] stack = getStack();
+ Class[] classes = (Class[]) stack[0];
+ String[] methods = (String[]) stack[1];
+
+ if (DEBUG)
+ debug(">>> got trace of length " + classes.length);
+
+ HashSet domains = new HashSet();
+ HashSet seenDomains = new HashSet();
+ AccessControlContext context = null;
+ int privileged = 0;
+
+ // We walk down the stack, adding each ProtectionDomain for each
+ // class in the call stack. If we reach a call to doPrivileged,
+ // we don't add any more stack frames. We skip the first three stack
+ // frames, since they comprise the calls to getStack, getContext,
+ // and AccessController.getContext.
+ for (int i = 3; i < classes.length && privileged < 2; i++)
+ {
+ Class clazz = classes[i];
+ String method = methods[i];
+
+ if (DEBUG)
+ {
+ debug(">>> checking " + clazz + "." + method);
+ debug(">>> loader = " + clazz.getClassLoader());
+ }
+
+ // If the previous frame was a call to doPrivileged, then this is
+ // the last frame we look at.
+ if (privileged == 1)
+ privileged = 2;
+
+ if (clazz.equals (AccessController.class)
+ && method.equals ("doPrivileged"))
+ {
+ // If there was a call to doPrivileged with a supplied context,
+ // return that context.
+ LinkedList l = (LinkedList) contexts.get();
+ if (l != null)
+ context = (AccessControlContext) l.getFirst();
+ privileged = 1;
+ }
+
+ ProtectionDomain domain = clazz.getProtectionDomain();
+
+ if (domain == null)
+ continue;
+ if (seenDomains.contains(domain))
+ continue;
+ seenDomains.add(domain);
+
+ // Create a static snapshot of this domain, which may change over time
+ // if the current policy changes.
+ domains.add(new ProtectionDomain(domain.getCodeSource(),
+ domain.getPermissions()));
+ }
+
+ if (DEBUG)
+ debug("created domains: " + domains);
+
+ ProtectionDomain[] result = (ProtectionDomain[])
+ domains.toArray(new ProtectionDomain[domains.size()]);
+
+ // Intersect the derived protection domain with the context supplied
+ // to doPrivileged.
+ if (context != null)
+ context = new AccessControlContext(result, context,
+ IntersectingDomainCombiner.SINGLETON);
+ // No context was supplied. Return the derived one.
+ else
+ context = new AccessControlContext(result);
+
+ inGetContext.set(Boolean.FALSE);
+ return context;
+ }
+
+ /**
+ * Returns a snapshot of the current call stack as a pair of arrays:
+ * the first an array of classes in the call stack, the second an array
+ * of strings containing the method names in the call stack. The two
+ * arrays match up, meaning that method <i>i</i> is declared in class
+ * <i>i</i>. The arrays are clean; it will only contain Java methods,
+ * and no element of the list should be null.
+ *
+ * <p>The default implementation returns an empty stack, which will be
+ * interpreted as having no permissions whatsoever.
+ *
+ * @return A pair of arrays describing the current call stack. The first
+ * element is an array of Class objects, and the second is an array
+ * of Strings comprising the method names.
+ */
+ private static Object[][] getStack()
+ {
+ return new Object[][] { new Class[0], new String[0] };
+ }
+}
--- /dev/null
+/* java.util.VMTimeZone
+ Copyright (C) 1998, 1999, 2000, 2001, 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.util;
+
+import gnu.classpath.Configuration;
+
+import java.io.*;
+
+/**
+ *
+ */
+final class VMTimeZone
+{
+ static
+ {
+ if (Configuration.INIT_LOAD_LIBRARY)
+ {
+ System.loadLibrary("javautil");
+ }
+ }
+
+ /**
+ * This method returns a time zone id string which is in the form
+ * (standard zone name) or (standard zone name)(GMT offset) or
+ * (standard zone name)(GMT offset)(daylight time zone name). The
+ * GMT offset can be in seconds, or where it is evenly divisible by
+ * 3600, then it can be in hours. The offset must be the time to
+ * add to the local time to get GMT. If a offset is given and the
+ * time zone observes daylight saving then the (daylight time zone
+ * name) must also be given (otherwise it is assumed the time zone
+ * does not observe any daylight savings).
+ * <p>
+ * The result of this method is given to the method
+ * TimeZone.getDefaultTimeZone(String) which tries to map the time
+ * zone id to a known TimeZone. See that method on how the returned
+ * String is mapped to a real TimeZone object.
+ * <p>
+ * The reference implementation which is made for GNU/Posix like
+ * systems calls <code>System.getenv("TZ")</code>,
+ * <code>readTimeZoneFile("/etc/timezone")</code>,
+ * <code>readtzFile("/etc/localtime")</code> and finally
+ * <code>getSystemTimeZoneId()</code> till a supported TimeZone is
+ * found through <code>TimeZone.getDefaultTimeZone(String)</code>.
+ * If every method fails <code>null</code> is returned (which means
+ * the TimeZone code will fall back on GMT as default time zone).
+ * <p>
+ * Note that this method is called inside a
+ * <code>AccessController.doPrivileged()</code> block and runs with
+ * the priviliges of the java.util system classes. It will only be
+ * called when the default time zone is not yet set, the system
+ * property user.timezone isn't set and it is requested for the
+ * first time.
+ */
+ static TimeZone getDefaultTimeZoneId()
+ {
+ TimeZone zone = null;
+
+ // See if TZ environment variable is set and accessible.
+ String tzid = System.getenv("TZ");
+ if (tzid != null && !tzid.equals(""))
+ zone = TimeZone.getDefaultTimeZone(tzid);
+
+ // Try to parse /etc/timezone.
+ if (zone == null)
+ {
+ tzid = readTimeZoneFile("/etc/timezone");
+ if (tzid != null && !tzid.equals(""))
+ zone = TimeZone.getDefaultTimeZone(tzid);
+ }
+
+ // Try to parse /etc/localtime
+ if (zone == null)
+ {
+ tzid = readtzFile("/etc/localtime");
+ if (tzid != null && !tzid.equals(""))
+ zone = TimeZone.getDefaultTimeZone(tzid);
+ }
+
+ // Try some system specific way
+ if (zone == null)
+ {
+ tzid = getSystemTimeZoneId();
+ if (tzid != null && !tzid.equals(""))
+ zone = TimeZone.getDefaultTimeZone(tzid);
+ }
+
+ return zone;
+ }
+
+ /**
+ * Tries to read the time zone name from a file. Only the first
+ * consecutive letters, digits, slashes, dashes and underscores are
+ * read from the file. If the file cannot be read or an IOException
+ * occurs null is returned.
+ * <p>
+ * The /etc/timezone file is not standard, but a lot of systems have
+ * it. If it exist the first line always contains a string
+ * describing the timezone of the host of domain. Some systems
+ * contain a /etc/TIMEZONE file which is used to set the TZ
+ * environment variable (which is checked before /etc/timezone is
+ * read).
+ */
+ private static String readTimeZoneFile(String file)
+ {
+ File f = new File(file);
+ if (!f.exists())
+ return null;
+
+ InputStreamReader isr = null;
+ try
+ {
+ FileInputStream fis = new FileInputStream(f);
+ BufferedInputStream bis = new BufferedInputStream(fis);
+ isr = new InputStreamReader(bis);
+
+ StringBuffer sb = new StringBuffer();
+ int i = isr.read();
+ while (i != -1)
+ {
+ char c = (char) i;
+ if (Character.isLetter(c) || Character.isDigit(c)
+ || c == '/' || c == '-' || c == '_')
+ {
+ sb.append(c);
+ i = isr.read();
+ }
+ else
+ break;
+ }
+ return sb.toString();
+ }
+ catch (IOException ioe)
+ {
+ // Parse error, not a proper tzfile.
+ return null;
+ }
+ finally
+ {
+ try
+ {
+ if (isr != null)
+ isr.close();
+ }
+ catch (IOException ioe)
+ {
+ // Error while close, nothing we can do.
+ }
+ }
+ }
+
+ /**
+ * Tries to read a file as a "standard" tzfile and return a time
+ * zone id string as expected by <code>getDefaultTimeZone(String)</code>.
+ * If the file doesn't exist, an IOException occurs or it isn't a tzfile
+ * that can be parsed null is returned.
+ * <p>
+ * The tzfile structure (as also used by glibc) is described in the Olson
+ * tz database archive as can be found at
+ * <code>ftp://elsie.nci.nih.gov/pub/</code>.
+ * <p>
+ * At least the following platforms support the tzdata file format
+ * and /etc/localtime (GNU/Linux, Darwin, Solaris and FreeBSD at
+ * least). Some systems (like Darwin) don't start the file with the
+ * required magic bytes 'TZif', this implementation can handle
+ * that).
+ */
+ private static String readtzFile(String file)
+ {
+ File f = new File(file);
+ if (!f.exists())
+ return null;
+
+ DataInputStream dis = null;
+ try
+ {
+ FileInputStream fis = new FileInputStream(f);
+ BufferedInputStream bis = new BufferedInputStream(fis);
+ dis = new DataInputStream(bis);
+
+ // Make sure we are reading a tzfile.
+ byte[] tzif = new byte[4];
+ dis.readFully(tzif);
+ if (tzif[0] == 'T' && tzif[1] == 'Z'
+ && tzif[2] == 'i' && tzif[3] == 'f')
+ // Reserved bytes, ttisgmtcnt, ttisstdcnt and leapcnt
+ skipFully(dis, 16 + 3 * 4);
+ else
+ // Darwin has tzdata files that don't start with the TZif marker
+ skipFully(dis, 16 + 3 * 4 - 4);
+
+ int timecnt = dis.readInt();
+ int typecnt = dis.readInt();
+ if (typecnt > 0)
+ {
+ int charcnt = dis.readInt();
+ // Transition times plus indexed transition times.
+ skipFully(dis, timecnt * (4 + 1));
+
+ // Get last gmt_offset and dst/non-dst time zone names.
+ int abbrind = -1;
+ int dst_abbrind = -1;
+ int gmt_offset = 0;
+ while (typecnt-- > 0)
+ {
+ // gmtoff
+ int offset = dis.readInt();
+ int dst = dis.readByte();
+ if (dst == 0)
+ {
+ abbrind = dis.readByte();
+ gmt_offset = offset;
+ }
+ else
+ dst_abbrind = dis.readByte();
+ }
+
+ // gmt_offset is the offset you must add to UTC/GMT to
+ // get the local time, we need the offset to add to
+ // the local time to get UTC/GMT.
+ gmt_offset *= -1;
+
+ // Turn into hours if possible.
+ if (gmt_offset % 3600 == 0)
+ gmt_offset /= 3600;
+
+ if (abbrind >= 0)
+ {
+ byte[] names = new byte[charcnt];
+ dis.readFully(names);
+ int j = abbrind;
+ while (j < charcnt && names[j] != 0)
+ j++;
+
+ String zonename = new String(names, abbrind, j - abbrind,
+ "ASCII");
+
+ String dst_zonename;
+ if (dst_abbrind >= 0)
+ {
+ j = dst_abbrind;
+ while (j < charcnt && names[j] != 0)
+ j++;
+ dst_zonename = new String(names, dst_abbrind,
+ j - dst_abbrind, "ASCII");
+ }
+ else
+ dst_zonename = "";
+
+ // Only use gmt offset when necessary.
+ // Also special case GMT+/- timezones.
+ String offset_string;
+ if ("".equals(dst_zonename)
+ && (gmt_offset == 0
+ || zonename.startsWith("GMT+")
+ || zonename.startsWith("GMT-")))
+ offset_string = "";
+ else
+ offset_string = Integer.toString(gmt_offset);
+
+ String id = zonename + offset_string + dst_zonename;
+
+ return id;
+ }
+ }
+
+ // Something didn't match while reading the file.
+ return null;
+ }
+ catch (IOException ioe)
+ {
+ // Parse error, not a proper tzfile.
+ return null;
+ }
+ finally
+ {
+ try
+ {
+ if (dis != null)
+ dis.close();
+ }
+ catch(IOException ioe)
+ {
+ // Error while close, nothing we can do.
+ }
+ }
+ }
+
+ /**
+ * Skips the requested number of bytes in the given InputStream.
+ * Throws EOFException if not enough bytes could be skipped.
+ * Negative numbers of bytes to skip are ignored.
+ */
+ private static void skipFully(InputStream is, long l) throws IOException
+ {
+ while (l > 0)
+ {
+ long k = is.skip(l);
+ if (k <= 0)
+ throw new EOFException();
+ l -= k;
+ }
+ }
+
+ /**
+ * Tries to get the system time zone id through native code.
+ */
+ private static native String getSystemTimeZoneId();
+}
projects / thirdparty / gcc.git / commitdiff
