--- old/src/os/bsd/vm/os_bsd.hpp	2015-12-01 16:57:26.827134757 +0100
+++ new/src/os/bsd/vm/os_bsd.hpp	2015-12-01 16:57:26.656117615 +0100
@@ -106,6 +106,8 @@
   static ExtendedPC fetch_frame_from_ucontext(Thread* thread, ucontext_t* uc,
                                               intptr_t** ret_sp, intptr_t** ret_fp);
 
+  static bool get_frame_at_stack_banging_point(JavaThread* thread, ucontext_t* uc, frame* fr);
+  
   // This boolean allows users to forward their own non-matching signals
   // to JVM_handle_bsd_signal, harmlessly.
   static bool signal_handlers_are_installed;