370 

   371 // Generate a trampoline for a branch to dest.  If there's no need for a

   372 // trampoline, simply patch the call directly to dest.

   373 address NativeCall::trampoline_jump(CodeBuffer &cbuf, address dest) {

   374   MacroAssembler a(&cbuf);

   375   address stub = NULL;

   376 

   377   if (a.far_branches()

   378       && ! is_NativeCallTrampolineStub_at(instruction_address() + displacement())) {

   379     stub = a.emit_trampoline_stub(instruction_address() - cbuf.insts()->start(), dest);

   380   }

   381 

   382   if (stub == NULL) {

   383     // If we generated no stub, patch this call directly to dest.

   384     // This will happen if we don't need far branches or if there

   385     // already was a trampoline.

   386     set_destination(dest);

   387   }

   388 

   389   return stub;

   390 }