--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gpu/ptx/vm/kernelArguments.hpp	Fri Aug 30 16:39:05 2013 -0400
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef KERNEL_ARGUMENTS_PTX_HPP
+#define KERNEL_ARGUMENTS_PTX_HPP
+
+#include "runtime/gpu.hpp"
+#include "runtime/signature.hpp"
+
+#define T_BYTE_SIZE       1
+#define T_INT_BYTE_SIZE   4
+#define T_LONG_BYTE_SIZE  8
+
+class PTXKernelArguments : public SignatureIterator {
+public:
+  // Buffer holding CUdeviceptr values that represent the kernel arguments
+  char _kernelArgBuffer[1024];
+  // Current offset into _kernelArgBuffer
+  size_t _bufferOffset;
+  gpu::Ptx::CUdeviceptr _return_value_ptr;
+private:
+  // Array of java argument oops
+  arrayOop _args;
+  // Current index into _args
+  int _index;
+  // Flag to indicate successful creation of kernel argument buffer
+  bool _success;
+  // Get next java argument
+  oop next_arg(BasicType expectedType);
+
+ public:
+  PTXKernelArguments(Symbol* signature, arrayOop args, bool is_static) : SignatureIterator(signature) {
+    this->_return_type = T_ILLEGAL;
+    _index = 0;
+    _args = args;
+    _success = true;
+    _bufferOffset = 0;
+    if (!is_static) {
+      // TODO : Create a device argument for receiver object and add it to _kernelBuffer
+      tty->print_cr("{CUDA] ****** TODO: Support for execution of non-static java methods not implemented yet.");
+    }
+    // Iterate over the entire signature
+    iterate();
+    assert((_success && (_index == args->length())), "arg count mismatch with signature");
+  }
+
+  inline char* device_argument_buffer() {
+    return _kernelArgBuffer;
+  }
+
+  inline size_t device_argument_buffer_size() {
+    return _bufferOffset;
+  }
+
+  // Get the return oop value
+  oop get_return_oop();
+
+  // get device return value ptr
+  gpu::Ptx::CUdeviceptr get_return_value_ptr() {
+      return _return_value_ptr;
+  }
+
+  
+  void do_byte();
+  void do_int();
+  void do_long();
+
+  inline void do_bool()   {
+    /* TODO : To be implemented */ 
+    guarantee(false, "NYI");
+  }
+  inline void do_char()   {
+    /* TODO : To be implemented */ 
+    guarantee(false, "NYI");
+  }
+  inline void do_short()  {
+    /* TODO : To be implemented */ 
+    guarantee(false, "NYI");
+  }
+  inline void do_float()  {
+    /* TODO : To be implemented */ 
+    guarantee(false, "NYI");
+  }
+  inline void do_double() {
+    /* TODO : To be implemented */ 
+    guarantee(false, "NYI");
+  }
+
+  inline void do_object() {
+    /* TODO : To be implemented */ 
+    guarantee(false, "NYI");
+  }
+  inline void do_object(int begin, int end) {
+    /* TODO : To be implemented */ 
+    guarantee(false, "NYI");
+  }
+  inline void do_array(int begin, int end)  {
+    /* TODO : To be implemented */ 
+    guarantee(false, "NYI");
+  }
+  inline void do_void() {
+    /* TODO : To be implemented */ 
+    guarantee(false, "NYI");
+  }
+};
+
+#endif  // KERNEL_ARGUMENTS_HPP