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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef PEHEADERINFO_H
#define PEHEADERINFO_H
#include <qt_windows.h>
#include <QString>
#include <QStringList>
QT_BEGIN_NAMESPACE
class PeHeaderInfo {
public:
PeHeaderInfo(const QString fileName);
~PeHeaderInfo();
bool isValid();
QString errorMessage();
unsigned wordSize();
unsigned int machineArch();
QStringList dependentLibs();
bool isDebug();
private:
bool mValid = false;
QString mErrorMessage;
QStringList mDependentLibs;
std::optional<bool> mIsDebug;
HANDLE mFileHandle = NULL;
HANDLE mFileMapHandle = NULL;
void *mFileMemory = nullptr;
IMAGE_NT_HEADERS *mNtHeaders = nullptr;
IMAGE_NT_HEADERS *getNtHeader();
template <class ImageNtHeader>
QStringList readImportSections(const ImageNtHeader *ntHeaders);
template <class ImageNtHeader>
QStringList determineDependentLibs(const ImageNtHeader *nth);
template <class ImageNtHeader>
bool determineDebug(const ImageNtHeader *nth);
static QString stringFromRvaPtr(const void *rvaPtr);
// Helper for reading out PE executable files: Find a section header for an RVA
// (IMAGE_NT_HEADERS64, IMAGE_NT_HEADERS32).
template <class ImageNtHeader>
const IMAGE_SECTION_HEADER *findSectionHeader(DWORD rva, const ImageNtHeader *nTHeader);
// Helper for reading out PE executable files: convert RVA to pointer (IMAGE_NT_HEADERS64, IMAGE_NT_HEADERS32).
template <class ImageNtHeader>
const void *rvaToPtr(DWORD rva, const ImageNtHeader *nTHeader, const void *imageBase);
template <class ImageNtHeader>
unsigned ntHeaderWordSize(const ImageNtHeader *header);
// Check for MSCV runtime (MSVCP90D.dll/MSVCP90.dll, MSVCP120D.dll/MSVCP120.dll,
// VCRUNTIME140D.DLL/VCRUNTIME140.DLL (VS2015) or msvcp120d_app.dll/msvcp120_app.dll).
enum MsvcDebugRuntimeResult { MsvcDebugRuntime, MsvcReleaseRuntime, NoMsvcRuntime };
MsvcDebugRuntimeResult checkMsvcDebugRuntime();
};
class PeHeaderInfoCache {
public:
PeHeaderInfoCache() = delete;
static PeHeaderInfo *peHeaderInfo(const QString &fileName);
};
QT_END_NAMESPACE
#endif // PEHEADERINFO_H
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