/// <summary>
/// Assemble the image, and write it to the given BinaryWriter
/// </summary>
/// <param name="writer"Writer to write the image to></param>
public void Assemble(BinaryWriter writer)
{
uint now = (uint)(DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalSeconds;
ElementCollection image = new ElementCollection();
ElementCollection headers = image.ElementCollection();
ElementCollection headersDos = headers.ElementCollection();
ElementCollection headersNt = headers.ElementCollection();
ElementCollection headersNtSignature = headersNt.ElementCollection();
ElementCollection headersNtFile = headersNt.ElementCollection();
ElementCollection headersNtOptional = headersNt.ElementCollection();
ElementCollection headersSections = headers.ElementCollection();
ElementCollection sections = image.ElementCollection();
// IMAGE > HEADERS > DOS
headersDos.ByteArray(s_dosHeader);
headersDos.FileAddress32(headersNt);
headersDos.ByteArray(s_dosStub);
headersDos.Alignment(8, 0);
// IMAGE > HEADERS > NT > SIGNATURE
headersNtSignature.UInt32(c_signature);
// IMAGE > HEADERS > NT > FILE
headersNtFile.UInt16(GetMachine()); // Machine
headersNtFile.UInt16((UInt16)m_sections.Count); // NumberOfSection
headersNtFile.UInt32(now); // TimeDateStamp
headersNtFile.UInt32(0); // PointerToSymbolTable
headersNtFile.UInt32(0); // NumberOfSymbols
headersNtFile.FileSize16(headersNtOptional); // SizeOfOptionalHeader
headersNtFile.UInt16(0x010F); // Characteristics
// IMAGE > HEADERS > NT > OPTIONAL
headersNtOptional.UInt16(GetMagic());
headersNtOptional.UInt8(0); // MajorLinkerVersion
headersNtOptional.UInt8(0); // MinorLinkerVersion
headersNtOptional.Elements.Add(new SizeOfCodeSectionsElement(m_sections)); // SizeOfCode
headersNtOptional.Elements.Add(new SizeOfInitializedDataSectionsElement(m_sections));
// SizeOfInitializedData
headersNtOptional.Elements.Add(new SizeOfUninitializedDataSectionsElement(m_sections));
// SizeOfUninitializedData
headersNtOptional.RelativeMemoryAddress32(m_entryPoint); // AddressOfEntryPoint
headersNtOptional.Elements.Add(new BaseOfCodeSectionsElement(m_sections)); // BaseOfCode
if (IsBaseOfDataRequired())
{
headersNtOptional.Elements.Add(new BaseOfInitializedDataSectionsElement(m_sections)); // BaseOfData
}
headersNtOptional.UIntP(GetImageBase()); // ImageBase
headersNtOptional.UInt32(m_sectionAlignment); // SectionAlignment
headersNtOptional.UInt32(m_fileAlignment); // FileAlignment
headersNtOptional.UInt16(0); // MajorOperatingSystemVersion
headersNtOptional.UInt16(0); // MinorOperatingSystemVersion
headersNtOptional.UInt16(0); // MajorImageVersion
headersNtOptional.UInt16(0); // MinorImageVersion
headersNtOptional.UInt16((UInt16)m_subsystem.Major); // MajorSubsystemVersion
headersNtOptional.UInt16((UInt16)m_subsystem.Minor); // MinorSubsystemVersion
headersNtOptional.UInt32(0); // Win32VersionValue
headersNtOptional.MemorySize32(image); // SizeOfImage
headersNtOptional.FileSize32(headers); // SizeOfHeaders
headersNtOptional.UInt32(0); // CheckSum
headersNtOptional.UInt16((UInt16)m_subsystem.Id); // Subsystem
headersNtOptional.UInt16(0x0400); // DllCharacteristics
headersNtOptional.UIntP(m_sizeOfStackReserve); // SizeOfStackReserve
headersNtOptional.UIntP(m_sizeOfStackCommit); // SizeOfStackCommit
headersNtOptional.UIntP(m_sizeOfHeapReserve); // SizeOfHeapReserve
headersNtOptional.UIntP(m_sizeOfHeapCommit); // SizeOfHeapCommit
headersNtOptional.UInt32(0x00000000); // LoaderFlags
headersNtOptional.UInt32((UInt32)m_directoryElements.Length); // NumberOfRvaAndSizes
foreach (Element directoryElement in m_directoryElements)
{
if (directoryElement == null)
{
headersNtOptional.UInt32(0); // VirtualAddress
headersNtOptional.UInt32(0); // Size
}
else
{
headersNtOptional.RelativeMemoryAddress32(directoryElement); // VirtualAddress
headersNtOptional.MemorySize32(directoryElement); // Size
}
}
// IMAGE > HEADERS > SECTIONS
foreach (ImageSection section in m_sections)
{
headersSections.FixedSizeString(section.Name, 8);
headersSections.MemorySize32(section); // VirtualSize
headersSections.RelativeMemoryAddress32(section); // VirtualAddress
headersSections.FileSize32(section); // SizeOfRawData
headersSections.FileAddress32(section); // PointerToRawData
headersSections.UInt32(0); // PointerToRelocations
headersSections.UInt32(0); // PointerToLinenumbers
headersSections.UInt16(0); // NumberOfRelocations
headersSections.UInt16(0); // NumberOfLinenumbers
headersSections.UInt32(section.Type.Characteristics); // Characteristics
}
// IMAGE > SECTIONS
foreach (ImageSection section in m_sections)
{
sections.Alignment(m_fileAlignment, m_sectionAlignment, 0);
sections.Elements.Add(section);
}
(new Assembler()).Assemble(image, GetImageBase(), GetPointerSize(), writer);
}
