1 files changed, 86 insertions, 0 deletions
diff --git a/Source/WebCore/platform/win/DelayLoadedModulesEnumerator.cpp b/Source/WebCore/platform/win/DelayLoadedModulesEnumerator.cpp
new file mode 100644
index 000000000..aa6df11be
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+++ b/Source/WebCore/platform/win/DelayLoadedModulesEnumerator.cpp
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+/*
+ * Copyright (C) 2011 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "DelayLoadedModulesEnumerator.h"
+
+#include "ImportedFunctionsEnumerator.h"
+#include <delayimp.h>
+
+// See <http://msdn.microsoft.com/en-us/magazine/cc301808.aspx> and
+// <http://msdn.microsoft.com/en-us/windows/hardware/gg463119> for more information about the PE
+// image format.
+
+namespace WebCore {
+
+DelayLoadedModulesEnumerator::DelayLoadedModulesEnumerator(const PEImage& image)
+    : m_image(image)
+{
+    if (m_image.isValid())
+        m_descriptor = static_cast<const ImgDelayDescr*>(m_image.dataDirectoryEntryAddress(IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT));
+    else
+        m_descriptor = 0;
+}
+
+bool DelayLoadedModulesEnumerator::isAtEnd() const
+{
+    return !m_descriptor || !m_descriptor->rvaHmod;
+}
+
+void DelayLoadedModulesEnumerator::next()
+{
+    ASSERT(!isAtEnd());
+    ++m_descriptor;
+}
+
+const char* DelayLoadedModulesEnumerator::currentModuleName() const
+{
+    ASSERT(!isAtEnd());
+    return static_cast<const char*>(convertPotentialRVAToAddress(m_descriptor->rvaDLLName));
+}
+
+ImportedFunctionsEnumerator DelayLoadedModulesEnumerator::functionsEnumerator() const
+{
+    ASSERT(!isAtEnd());
+
+    const IMAGE_THUNK_DATA* importNameTable = static_cast<const IMAGE_THUNK_DATA*>(convertPotentialRVAToAddress(m_descriptor->rvaINT));
+    const IMAGE_THUNK_DATA* importAddressTable = static_cast<const IMAGE_THUNK_DATA*>(convertPotentialRVAToAddress(m_descriptor->rvaIAT));
+
+    return ImportedFunctionsEnumerator(m_image, importNameTable, importAddressTable);
+}
+
+const void* DelayLoadedModulesEnumerator::convertPotentialRVAToAddress(DWORD potentialRVA) const
+{
+    ASSERT(!isAtEnd());
+
+    if (!(m_descriptor->grAttrs & dlattrRva)) {
+        // m_image is a pre-VC7.0 image, so addresses stored in the ImageDelayDescr are non-relative.
+        return reinterpret_cast<void*>(potentialRVA);
+    }
+
+    return m_image.convertRVAToAddress(potentialRVA);
+}
+
+} // namespace WebCore