Source/WebCore/platform/win/ImportedFunctionsEnumerator.cpp - Issue 13642009: WebCore: Remove PLATFORM(WIN) files we do not use.

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Issue 13642009: WebCore: Remove PLATFORM(WIN) files we do not use. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 7 years, 8 months ago

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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 "ImportedFunctionsEnumerator.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 ImportedFunctionsEnumerator::ImportedFunctionsEnumerator(const PEImage& image, c onst IMAGE_THUNK_DATA* importNameTable, const IMAGE_THUNK_DATA* importAddressTab le)

36 : m_image(image)

37 , m_nameTableEntry(importNameTable)

38 , m_addressTableEntry(importAddressTable)

39 {

40 ASSERT(!importNameTable == !importAddressTable);

41 }

42

43 bool ImportedFunctionsEnumerator::isAtEnd() const

44 {

45 ASSERT(!m_nameTableEntry \|\| !m_nameTableEntry->u1.AddressOfData == !m_addres sTableEntry->u1.Function);

46 return !m_nameTableEntry \|\| !m_nameTableEntry->u1.AddressOfData;

47 }

48

49 void ImportedFunctionsEnumerator::next()

50 {

51 ASSERT(!isAtEnd());

52 ++m_nameTableEntry;

53 ++m_addressTableEntry;

54 }

55

56 const char* ImportedFunctionsEnumerator::currentFunctionName() const

57 {

58 ASSERT(m_nameTableEntry);

59

60 // Ordinal imports have no name.

61 if (IMAGE_SNAP_BY_ORDINAL(m_nameTableEntry->u1.Ordinal))

62 return 0;

63

64 const IMAGE_IMPORT_BY_NAME* importByName = static_cast<const IMAGE_IMPORT_BY _NAME*>(m_image.convertRVAToAddress(m_nameTableEntry->u1.AddressOfData));

65 return reinterpret_cast<const char*>(importByName->Name);

66 }

67

68 const void* const* ImportedFunctionsEnumerator::addressOfCurrentFunctionPointer( ) const

69 {

70 ASSERT(m_addressTableEntry);

71 COMPILE_ASSERT(sizeof(void*) == sizeof(m_addressTableEntry->u1.Function), Fu nctionAddressSizeMatchesPointerSize);

72 return reinterpret_cast<const void* const*>(&m_addressTableEntry->u1.Functio n);

73 }

74

75 } // namespace WebCore

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