src/hotspot/share/compiler/disassembler.hpp

*** 75,82 ****
--- 75,93 ----
    }
    static void decode(CodeBlob *cb,               outputStream* st = NULL);
    static void decode(nmethod* nm,                outputStream* st = NULL);
    static void decode(address begin, address end, outputStream* st = NULL,
                       CodeStrings c = CodeStrings(), ptrdiff_t offset = 0);
+   static void _hook(const char* file, int line, class MacroAssembler* masm);
+ 
+   // This functions makes it easy to generate comments in the generated
+   // interpreter code, by riding on the customary __ macro in the interpreter generator.
+   // See templateTable_x86.cpp for an example.
+   template<class T> inline static T* hook(const char* file, int line, T* masm) {
+     if (PrintInterpreter) {
+       _hook(file, line, masm);
+     }
+     return masm;
+   }
  };
  
  #endif // SHARE_VM_COMPILER_DISASSEMBLER_HPP