src/gpu-compute/hsa_object.cc

   1 /*
   2  * Copyright (c) 2013-2015 Advanced Micro Devices, Inc.
   3  * All rights reserved.
   4  *
   5  * For use for simulation and test purposes only
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright notice,
  11  * this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright notice,
  14  * this list of conditions and the following disclaimer in the documentation
  15  * and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the copyright holder nor the names of its contributors
  18  * may be used to endorse or promote products derived from this software
  19  * without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  *
  33  * Author: Anthony Gutierrez
  34  */
  35
  36 #include "gpu-compute/hsa_object.hh"
  37
  38 #include <cassert>
  39 #include <fstream>
  40
  41 #include "base/logging.hh"
  42
  43 HsaObject::HsaObject(const std::string &fname)
  44     : readonlyData(nullptr), filename(fname)
  45 {
  46 }
  47
  48 HsaObject*
  49 HsaObject::createHsaObject(const std::string &fname)
  50 {
  51     HsaObject *hsaObj = nullptr;
  52     uint8_t *file_data = nullptr;
  53     int file_length = 0;
  54
  55     std::ifstream code_file(fname, std::ifstream::ate | std::ifstream::in |
  56                             std::ifstream::binary);
  57
  58     assert(code_file.is_open());
  59     assert(code_file.good());
  60
  61     file_length = code_file.tellg();
  62     code_file.seekg(0, code_file.beg);
  63     file_data = new uint8_t[file_length];
  64     code_file.read((char*)file_data, file_length);
  65     code_file.close();
  66
  67     for (const auto &tryFile : tryFileFuncs) {
  68         if ((hsaObj = tryFile(fname, file_length, file_data))) {
  69             return hsaObj;
  70         }
  71     }
  72
  73     delete[] file_data;
  74     fatal("Unknown HSA object type for file: %s.\n", fname);
  75
  76     return nullptr;
  77 }