src/base/loader/raw_object.cc

   1 /*
   2  * Copyright (c) 2006 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  * Authors: Steve Reinhardt
  29  */
  30
  31 #include "base/loader/raw_object.hh"
  32 #include "base/loader/symtab.hh"
  33 #include "base/trace.hh"
  34
  35 ObjectFile *
  36 RawObject::tryFile(const std::string &fname, int fd, size_t len, uint8_t *data)
  37 {
  38     return new RawObject(fname, fd, len, data, ObjectFile::UnknownArch,
  39             ObjectFile::UnknownOpSys);
  40 }
  41
  42 RawObject::RawObject(const std::string &_filename, int _fd, size_t _len,
  43         uint8_t *_data, Arch _arch, OpSys _opSys)
  44     : ObjectFile(_filename, _fd, _len, _data, _arch, _opSys)
  45 {
  46     text.baseAddr = 0;
  47     text.size = len;
  48     text.fileImage = fileData;
  49
  50     data.baseAddr = 0;
  51     data.size = 0;
  52     data.fileImage = NULL;
  53
  54     bss.baseAddr = 0;
  55     bss.size = 0;
  56     bss.fileImage = NULL;
  57
  58     DPRINTFR(Loader, "text: 0x%x %d\ndata: 0x%x %d\nbss: 0x%x %d\n",
  59              text.baseAddr, text.size, data.baseAddr, data.size,
  60              bss.baseAddr, bss.size);
  61 }
  62
  63 bool
  64 RawObject::loadGlobalSymbols(SymbolTable *symtab, Addr addrMask)
  65 {
  66 /*    int fnameStart = filename.rfind('/',filename.size()) + 1;
  67     int extStart = filename.rfind('.',filename.size());
  68     symtab->insert(text.baseAddr & addrMask, filename.substr(fnameStart,
  69                 extStart-fnameStart) + "_start");*/
  70     return true;
  71 }
  72
  73 bool
  74 RawObject::loadLocalSymbols(SymbolTable *symtab, Addr addrMask)
  75 {
  76 /*    int fnameStart = filename.rfind('/',filename.size()) + 1;
  77     int extStart = filename.rfind('.',filename.size());
  78     symtab->insert(text.baseAddr & addrMask, filename.substr(fnameStart,
  79                 extStart-fnameStart) + "_start");*/
  80     return true;
  81 }