diff -r e7a91a357527 -r 018d5b58dd4f src/cpu/x86/vm/nativeInst_x86.hpp
--- a/src/cpu/x86/vm/nativeInst_x86.hpp	Wed Apr 16 17:36:29 2008 -0400
+++ b/src/cpu/x86/vm/nativeInst_x86.hpp	Thu Apr 17 22:18:15 2008 -0400
@@ -50,6 +50,7 @@
   };
 
   bool is_nop()                        { return ubyte_at(0) == nop_instruction_code; }
+  bool is_dtrace_trap();
   inline bool is_call();
   inline bool is_illegal();
   inline bool is_return();