diff -u /dev/null uClibc-0.9.30/libc/sysdeps/linux/xtensa/bits/sigcontext.h
--- /dev/null
+++ uClibc-0.9.30/libc/sysdeps/linux/xtensa/bits/sigcontext.h
@@ -0,0 +1,41 @@
+/* Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
+# error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
+#endif
+
+#ifndef _BITS_SIGCONTEXT_H
+#define _BITS_SIGCONTEXT_H 1
+
+struct sigcontext
+{
+  unsigned long sc_pc;
+  unsigned long sc_ps;
+  unsigned long sc_lbeg;
+  unsigned long sc_lend;
+  unsigned long sc_lcount;
+  unsigned long sc_sar;
+  unsigned long sc_acclo;
+  unsigned long sc_acchi;
+  void *sc_xtregs;
+  unsigned long sc_a[16];
+};
+
+#endif /* _BITS_SIGCONTEXT_H */
+