src/hotspot/cpu/x86/interpreterRT_x86_64.cpp

*** 21,30 ****
--- 21,31 ----
   * questions.
   *
   */
  
  #include "precompiled.hpp"
+ #include "interpreter/interp_masm.hpp"
  #include "interpreter/interpreter.hpp"
  #include "interpreter/interpreterRuntime.hpp"
  #include "memory/allocation.inline.hpp"
  #include "memory/universe.hpp"
  #include "oops/method.hpp"
*** 36,45 ****
--- 37,61 ----
  
  #define __ _masm->
  
  // Implementation of SignatureHandlerGenerator
  
+ InterpreterRuntime::SignatureHandlerGenerator::SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer) :
+     NativeSignatureIterator(method) {
+   _masm = new MacroAssembler(buffer);
+ #ifdef AMD64
+ #ifdef _WIN64
+   _num_args = (method->is_static() ? 1 : 0);
+   _stack_offset = (Argument::n_int_register_parameters_c+1)* wordSize; // don't overwrite return address
+ #else
+   _num_int_args = (method->is_static() ? 1 : 0);
+   _num_fp_args = 0;
+   _stack_offset = wordSize; // don't overwrite return address
+ #endif // _WIN64
+ #endif // AMD64
+ }
+ 
  Register InterpreterRuntime::SignatureHandlerGenerator::from() { return r14; }
  Register InterpreterRuntime::SignatureHandlerGenerator::to()   { return rsp; }
  Register InterpreterRuntime::SignatureHandlerGenerator::temp() { return rscratch1; }
  
  void InterpreterRuntime::SignatureHandlerGenerator::pass_int() {