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diff --git a/src/gpu-compute/hsa_code.hh b/src/gpu-compute/hsa_code.hh
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+/*
+ * Copyright (c) 2015 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * For use for simulation and test purposes only
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author: Anthony Gutierrez
+ */
+
+#ifndef __HSA_CODE_HH__
+#define __HSA_CODE_HH__
+
+#include <string>
+#include <vector>
+
+#include "arch/gpu_types.hh"
+#include "config/the_gpu_isa.hh"
+
+class HsaKernelInfo;
+
+/* @class HsaCode
+ * base code object for the set of HSA kernels associated
+ * with a single application. this class provides the common
+ * methods for creating, accessing, and storing information
+ * about kernel and variable symbols, symbol name, memory
+ * segment sizes, and instruction count, etc.
+ */
+
+class HsaCode
+{
+  public:
+    HsaCode(const std::string &name) : readonly_data(nullptr), funcarg_size(0),
+                                       _name(name)
+    {
+    }
+
+    enum class MemorySegment {
+        NONE,
+        FLAT,
+        GLOBAL,
+        READONLY,
+        KERNARG,
+        GROUP,
+        PRIVATE,
+        SPILL,
+        ARG,
+        EXTSPACE0
+    };
+
+    const std::string& name() const { return _name; }
+    int numInsts() const { return _insts.size(); }
+    std::vector<TheGpuISA::RawMachInst>* insts() { return &_insts; }
+
+    void
+    setReadonlyData(uint8_t *_readonly_data)
+    {
+        readonly_data = _readonly_data;
+    }
+
+    virtual int getSize(MemorySegment segment) const = 0;
+    virtual void generateHsaKernelInfo(HsaKernelInfo *hsaKernelInfo) const = 0;
+
+    uint8_t *readonly_data;
+    int funcarg_size;
+
+  protected:
+    // An array that stores instruction indices (0 through kernel size)
+    // for a kernel passed to code object constructor as an argument.
+    std::vector<TheGpuISA::RawMachInst> _insts;
+
+  private:
+    const std::string _name;
+};
+
+#endif // __HSA_CODE_HH__