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1 /* | |
2 * Copyright (C) 2011 Apple Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * 1. Redistributions of source code must retain the above copyright | |
8 * notice, this list of conditions and the following disclaimer. | |
9 * 2. 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 * | |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | |
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | |
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | |
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | |
23 * THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #include "config.h" | |
27 #include "ImportedModulesEnumerator.h" | |
28 | |
29 #include "ImportedFunctionsEnumerator.h" | |
30 | |
31 // See <http://msdn.microsoft.com/en-us/magazine/cc301808.aspx> and | |
32 // <http://msdn.microsoft.com/en-us/windows/hardware/gg463119> for more informat
ion about the PE | |
33 // image format. | |
34 | |
35 namespace WebCore { | |
36 | |
37 ImportedModulesEnumerator::ImportedModulesEnumerator(const PEImage& image) | |
38 : m_image(image) | |
39 { | |
40 if (m_image.isValid()) | |
41 m_descriptor = static_cast<const IMAGE_IMPORT_DESCRIPTOR*>(m_image.dataD
irectoryEntryAddress(IMAGE_DIRECTORY_ENTRY_IMPORT)); | |
42 else | |
43 m_descriptor = 0; | |
44 } | |
45 | |
46 bool ImportedModulesEnumerator::isAtEnd() const | |
47 { | |
48 return !m_descriptor || !m_descriptor->Characteristics; | |
49 } | |
50 | |
51 void ImportedModulesEnumerator::next() | |
52 { | |
53 ASSERT(!isAtEnd()); | |
54 ++m_descriptor; | |
55 } | |
56 | |
57 const char* ImportedModulesEnumerator::currentModuleName() const | |
58 { | |
59 ASSERT(m_descriptor); | |
60 return static_cast<const char*>(m_image.convertRVAToAddress(m_descriptor->Na
me)); | |
61 } | |
62 | |
63 ImportedFunctionsEnumerator ImportedModulesEnumerator::functionsEnumerator() con
st | |
64 { | |
65 ASSERT(m_descriptor); | |
66 | |
67 const IMAGE_THUNK_DATA* importNameTable = static_cast<const IMAGE_THUNK_DATA
*>(m_image.convertRVAToAddress(m_descriptor->OriginalFirstThunk)); | |
68 const IMAGE_THUNK_DATA* importAddressTable = static_cast<const IMAGE_THUNK_D
ATA*>(m_image.convertRVAToAddress(m_descriptor->FirstThunk)); | |
69 | |
70 return ImportedFunctionsEnumerator(m_image, importNameTable, importAddressTa
ble); | |
71 } | |
72 | |
73 } // namespace WebCore | |
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