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authorJing Yu <jingyu@google.com>2009-11-05 15:11:04 -0800
committerJing Yu <jingyu@google.com>2009-11-05 15:11:04 -0800
commitdf62c1c110e8532b995b23540b7e3695729c0779 (patch)
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Check in gcc sources for prebuilt toolchains in Eclair.
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+/* java.lang.VMThrowable -- VM support methods for Throwable.
+ Copyright (C) 1998, 1999, 2002, 2004, 2005, 2006
+ Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.lang;
+
+import gnu.gcj.RawDataManaged;
+
+/**
+ * VM dependent state and support methods Throwable.
+ * It is deliberately package local and final and should only be accessed
+ * by the Throwable class.
+ * <p>
+ * This is the version used by libgcj (http://gcc.gnu.org/java/).
+ *
+ * @author Mark Wielaard (mark@klomp.org)
+ */
+final class VMThrowable
+{
+ /**
+ * Private contructor, create VMThrowables with StackTrace();
+ */
+ 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);
+
+ // Native stack data.
+ private RawDataManaged data;
+}