Include divide-by-zero handling within plugins and codecs for ARM processors.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19834 a1c6a512-1295-4272-9138-f99709370657

apps/plugins/lib/gcc-support.c

@@ -0,0 +1,30 @@
+/***************************************************************************
+*             __________               __   ___.
+*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+*                     \/            \/     \/    \/            \/
+* $Id$
+*
+* Copyright (C) 2009 by Michael Sevakis
+*
+* Miscellaneous compiler support routines.
+*
+* 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
+* of the License, or (at your option) any later version.
+*
+* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+* KIND, either express or implied
+*
+****************************************************************************/
+#include "plugin.h"
+
+#ifdef CPU_ARM
+void __attribute__((naked)) __div0(void)
+{
+    asm volatile("bx %0" : : "r"(rb->__div0));
+}
+#endif