src/base/loader/object_file.cc

   1 /*
   2  * Copyright (c) 2002-2004 The Regents of The University of Michigan
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include "base/loader/object_file.hh"
  30
  31 #include <string>
  32 #include <vector>
  33
  34 #include "base/loader/raw_image.hh"
  35 #include "base/loader/symtab.hh"
  36 #include "mem/port_proxy.hh"
  37
  38 using namespace std;
  39
  40 ObjectFile::ObjectFile(ImageFileDataPtr ifd) : ImageFile(ifd) {}
  41
  42 namespace {
  43
  44 typedef std::vector<ObjectFileFormat *> ObjectFileFormatList;
  45
  46 ObjectFileFormatList &
  47 object_file_formats()
  48 {
  49     static ObjectFileFormatList formats;
  50     return formats;
  51 }
  52
  53 } // anonymous namespace
  54
  55 ObjectFileFormat::ObjectFileFormat()
  56 {
  57     object_file_formats().emplace_back(this);
  58 }
  59
  60 ObjectFile *
  61 createObjectFile(const std::string &fname, bool raw)
  62 {
  63     ImageFileDataPtr ifd(new ImageFileData(fname));
  64
  65     for (auto &format: object_file_formats()) {
  66         ObjectFile *file_obj = format->load(ifd);
  67         if (file_obj)
  68             return file_obj;
  69     }
  70
  71     if (raw)
  72         return new RawImage(ifd);
  73
  74     return nullptr;
  75 }