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diff --git a/gcc/unwind-compat.c b/gcc/unwind-compat.c
new file mode 100644
index 00000000..d9e41d1a
--- /dev/null
+++ b/gcc/unwind-compat.c
@@ -0,0 +1,210 @@
+/* Backward compatibility unwind routines.
+   Copyright (C) 2004, 2005, 2006, 2009
+   Free Software Foundation, Inc.
+
+   This file is part of GCC.
+
+   GCC 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 3, or (at your option)
+   any later version.
+
+   GCC 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.
+
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#if defined (USE_GAS_SYMVER) && defined (USE_LIBUNWIND_EXCEPTIONS)
+#include "tconfig.h"
+#include "tsystem.h"
+#include "unwind.h"
+#include "unwind-dw2-fde.h"
+#include "unwind-compat.h"
+
+extern _Unwind_Reason_Code __libunwind_Unwind_Backtrace
+  (_Unwind_Trace_Fn, void *);
+
+_Unwind_Reason_Code LIBGCC2_UNWIND_ATTRIBUTE
+_Unwind_Backtrace (_Unwind_Trace_Fn trace, void *trace_argument)
+{
+  return __libunwind_Unwind_Backtrace (trace, trace_argument);
+}
+symver (_Unwind_Backtrace, GCC_3.3);
+
+extern void __libunwind_Unwind_DeleteException
+  (struct _Unwind_Exception *);
+
+void
+_Unwind_DeleteException (struct _Unwind_Exception *exc)
+{
+  return __libunwind_Unwind_DeleteException (exc);
+}
+symver (_Unwind_DeleteException, GCC_3.0);
+
+extern void * __libunwind_Unwind_FindEnclosingFunction (void *);
+
+void *
+_Unwind_FindEnclosingFunction (void *pc)
+{
+  return __libunwind_Unwind_FindEnclosingFunction (pc);
+}
+symver (_Unwind_FindEnclosingFunction, GCC_3.3);
+
+extern _Unwind_Reason_Code __libunwind_Unwind_ForcedUnwind
+  (struct _Unwind_Exception *, _Unwind_Stop_Fn, void *);
+
+_Unwind_Reason_Code LIBGCC2_UNWIND_ATTRIBUTE
+_Unwind_ForcedUnwind (struct _Unwind_Exception *exc,
+		      _Unwind_Stop_Fn stop, void * stop_argument)
+{
+  return __libunwind_Unwind_ForcedUnwind (exc, stop, stop_argument);
+}
+symver (_Unwind_ForcedUnwind, GCC_3.0);
+
+extern _Unwind_Word __libunwind_Unwind_GetCFA
+  (struct _Unwind_Context *);
+
+_Unwind_Word
+_Unwind_GetCFA (struct _Unwind_Context *context)
+{
+  return __libunwind_Unwind_GetCFA (context);
+}
+symver (_Unwind_GetCFA, GCC_3.3);
+
+#ifdef __ia64__
+extern _Unwind_Word __libunwind_Unwind_GetBSP
+  (struct _Unwind_Context *);
+
+_Unwind_Word
+_Unwind_GetBSP (struct _Unwind_Context * context)
+{
+  return __libunwind_Unwind_GetBSP (context);
+}
+symver (_Unwind_GetBSP, GCC_3.3.2);
+#else
+extern _Unwind_Ptr __libunwind_Unwind_GetDataRelBase
+  (struct _Unwind_Context *);
+
+_Unwind_Ptr
+_Unwind_GetDataRelBase (struct _Unwind_Context *context)
+{
+  return __libunwind_Unwind_GetDataRelBase (context);
+}
+symver (_Unwind_GetDataRelBase, GCC_3.0);
+
+extern _Unwind_Ptr __libunwind_Unwind_GetTextRelBase
+  (struct _Unwind_Context *);
+
+_Unwind_Ptr
+_Unwind_GetTextRelBase (struct _Unwind_Context *context)
+{
+  return __libunwind_Unwind_GetTextRelBase (context);
+}
+symver (_Unwind_GetTextRelBase, GCC_3.0);
+#endif
+
+extern _Unwind_Word __libunwind_Unwind_GetGR
+  (struct _Unwind_Context *, int );
+
+_Unwind_Word
+_Unwind_GetGR (struct _Unwind_Context *context, int index)
+{
+  return __libunwind_Unwind_GetGR (context, index);
+}
+symver (_Unwind_GetGR, GCC_3.0);
+
+extern _Unwind_Ptr __libunwind_Unwind_GetIP (struct _Unwind_Context *);
+
+_Unwind_Ptr
+_Unwind_GetIP (struct _Unwind_Context *context)
+{
+  return __libunwind_Unwind_GetIP (context);
+}
+symver (_Unwind_GetIP, GCC_3.0);
+
+_Unwind_Ptr
+_Unwind_GetIPInfo (struct _Unwind_Context *context, int *ip_before_insn)
+{
+  *ip_before_insn = 0;
+  return __libunwind_Unwind_GetIP (context);
+}
+
+extern void *__libunwind_Unwind_GetLanguageSpecificData
+  (struct _Unwind_Context *);
+
+void *
+_Unwind_GetLanguageSpecificData (struct _Unwind_Context *context)
+{
+  return __libunwind_Unwind_GetLanguageSpecificData (context);
+}
+symver (_Unwind_GetLanguageSpecificData, GCC_3.0);
+
+extern _Unwind_Ptr __libunwind_Unwind_GetRegionStart
+  (struct _Unwind_Context *);
+
+_Unwind_Ptr
+_Unwind_GetRegionStart (struct _Unwind_Context *context)
+{
+  return __libunwind_Unwind_GetRegionStart (context);
+}
+symver (_Unwind_GetRegionStart, GCC_3.0);
+
+extern _Unwind_Reason_Code __libunwind_Unwind_RaiseException
+  (struct _Unwind_Exception *);
+
+_Unwind_Reason_Code LIBGCC2_UNWIND_ATTRIBUTE
+_Unwind_RaiseException(struct _Unwind_Exception *exc)
+{
+  return __libunwind_Unwind_RaiseException (exc);
+}
+symver (_Unwind_RaiseException, GCC_3.0);
+
+extern void __libunwind_Unwind_Resume (struct _Unwind_Exception *);
+
+void LIBGCC2_UNWIND_ATTRIBUTE
+_Unwind_Resume (struct _Unwind_Exception *exc)
+{
+  __libunwind_Unwind_Resume (exc);
+}
+symver (_Unwind_Resume, GCC_3.0);
+
+extern _Unwind_Reason_Code __libunwind_Unwind_Resume_or_Rethrow
+   (struct _Unwind_Exception *);
+
+_Unwind_Reason_Code LIBGCC2_UNWIND_ATTRIBUTE
+_Unwind_Resume_or_Rethrow (struct _Unwind_Exception *exc)
+{
+  return __libunwind_Unwind_Resume_or_Rethrow (exc);
+}
+symver (_Unwind_Resume_or_Rethrow, GCC_3.3);
+
+extern void __libunwind_Unwind_SetGR
+  (struct _Unwind_Context *, int, _Unwind_Word);
+
+void
+_Unwind_SetGR (struct _Unwind_Context *context, int index,
+	       _Unwind_Word val) 
+{
+  __libunwind_Unwind_SetGR (context, index, val);
+}
+symver (_Unwind_SetGR, GCC_3.0);
+
+extern void __libunwind_Unwind_SetIP
+  (struct _Unwind_Context *, _Unwind_Ptr);
+
+void
+_Unwind_SetIP (struct _Unwind_Context *context, _Unwind_Ptr val)
+{
+  return __libunwind_Unwind_SetIP (context, val);
+}
+symver (_Unwind_SetIP, GCC_3.0);
+#endif