raw_object.cc revision 11392 
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#include "debug/Loader.hh"
35
36ObjectFile *
37RawObject::tryFile(const std::string &fname, size_t len, uint8_t *data)
38{
39    return new RawObject(fname, len, data, ObjectFile::UnknownArch,
40            ObjectFile::UnknownOpSys);
41}
42
43RawObject::RawObject(const std::string &_filename, size_t _len,
44        uint8_t *_data, Arch _arch, OpSys _opSys)
45    : ObjectFile(_filename, _len, _data, _arch, _opSys)
46{
47    text.baseAddr = 0;
48    text.size = len;
49    text.fileImage = fileData;
50
51    data.baseAddr = 0;
52    data.size = 0;
53    data.fileImage = NULL;
54
55    bss.baseAddr = 0;
56    bss.size = 0;
57    bss.fileImage = NULL;
58
59    DPRINTFR(Loader, "text: 0x%x %d\ndata: 0x%x %d\nbss: 0x%x %d\n",
60             text.baseAddr, text.size, data.baseAddr, data.size,
61             bss.baseAddr, bss.size);
62}
63
64bool
65RawObject::loadAllSymbols(SymbolTable *symtab, Addr base, Addr offset,
66                          Addr addr_mask)
67{
68    return true;
69}
70
71bool
72RawObject::loadGlobalSymbols(SymbolTable *symtab, Addr base, Addr offset,
73                             Addr addr_mask)
74{
75/*    int fnameStart = filename.rfind('/',filename.size()) + 1;
76    int extStart = filename.rfind('.',filename.size());
77    symtab->insert(text.baseAddr & addr_mask, filename.substr(fnameStart,
78                extStart-fnameStart) + "_start");*/
79    return true;
80}
81
82bool
83RawObject::loadLocalSymbols(SymbolTable *symtab, Addr base, Addr offset,
84                            Addr addr_mask)
85{
86/*    int fnameStart = filename.rfind('/',filename.size()) + 1;
87    int extStart = filename.rfind('.',filename.size());
88    symtab->insert(text.baseAddr & addr_mask, filename.substr(fnameStart,
89                extStart-fnameStart) + "_start");*/
90    return true;
91}
92