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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 "PEImage.h" | |
| 28 | |
| 29 // See <http://msdn.microsoft.com/en-us/magazine/cc301808.aspx> and | |
| 30 // <http://msdn.microsoft.com/en-us/windows/hardware/gg463119> for more informat
ion about the PE | |
| 31 // image format. | |
| 32 | |
| 33 namespace WebCore { | |
| 34 | |
| 35 PEImage::PEImage(HMODULE module) | |
| 36 : m_module(module) | |
| 37 , m_ntHeaders(0) | |
| 38 { | |
| 39 const IMAGE_DOS_HEADER* dosHeader = reinterpret_cast<const IMAGE_DOS_HEADER*
>(m_module); | |
| 40 if (dosHeader->e_magic != IMAGE_DOS_SIGNATURE) | |
| 41 return; | |
| 42 | |
| 43 const IMAGE_NT_HEADERS* ntHeaders = static_cast<const IMAGE_NT_HEADERS*>(con
vertRVAToAddress(dosHeader->e_lfanew)); | |
| 44 if (ntHeaders->Signature != IMAGE_NT_SIGNATURE) | |
| 45 return; | |
| 46 | |
| 47 if (ntHeaders->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR_MAGIC) | |
| 48 return; | |
| 49 | |
| 50 m_ntHeaders = ntHeaders; | |
| 51 } | |
| 52 | |
| 53 const void* PEImage::convertRVAToAddress(DWORD rva) const | |
| 54 { | |
| 55 return reinterpret_cast<unsigned char*>(m_module) + rva; | |
| 56 } | |
| 57 | |
| 58 const void* PEImage::dataDirectoryEntryAddress(DWORD entryIndex) const | |
| 59 { | |
| 60 if (!isValid()) | |
| 61 return 0; | |
| 62 | |
| 63 if (m_ntHeaders->OptionalHeader.NumberOfRvaAndSizes <= entryIndex) | |
| 64 return 0; | |
| 65 | |
| 66 const IMAGE_DATA_DIRECTORY& directory = m_ntHeaders->OptionalHeader.DataDire
ctory[entryIndex]; | |
| 67 | |
| 68 if (!directory.Size) | |
| 69 return 0; | |
| 70 | |
| 71 return convertRVAToAddress(directory.VirtualAddress); | |
| 72 } | |
| 73 | |
| 74 } // namespace WebCore | |
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Chromium Code Reviews
Issue 13642009:
WebCore: Remove PLATFORM(WIN) files we do not use. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk