private ImmutableArray <SerializedSection> SerializeSections()
{
var sections = GetSections();
var result = ImmutableArray.CreateBuilder <SerializedSection>(sections.Length);
int sizeOfPeHeaders = Header.ComputeSizeOfPEHeaders(sections.Length);
var nextRva = BitArithmetic.Align(sizeOfPeHeaders, Header.SectionAlignment);
var nextPointer = BitArithmetic.Align(sizeOfPeHeaders, Header.FileAlignment);
foreach (var section in sections)
{
var builder = SerializeSection(section.Name, new SectionLocation(nextRva, nextPointer));
var serialized = new SerializedSection(
builder,
section.Name,
section.Characteristics,
relativeVirtualAddress: nextRva,
sizeOfRawData: BitArithmetic.Align(builder.Count, Header.FileAlignment),
pointerToRawData: nextPointer);
result.Add(serialized);
nextRva = BitArithmetic.Align(serialized.RelativeVirtualAddress + serialized.VirtualSize, Header.SectionAlignment);
nextPointer = serialized.PointerToRawData + serialized.SizeOfRawData;
}
return(result.MoveToImmutable());
}
private static void WriteSectionHeader(BlobBuilder builder, SerializedSection serializedSection)
{
if (serializedSection.VirtualSize == 0)
{
return;
}
for (int j = 0, m = serializedSection.Name.Length; j < 8; j++)
{
if (j < m)
{
builder.WriteByte((byte)serializedSection.Name[j]);
}
else
{
builder.WriteByte(0);
}
}
builder.WriteUInt32((uint)serializedSection.VirtualSize);
builder.WriteUInt32((uint)serializedSection.RelativeVirtualAddress);
builder.WriteUInt32((uint)serializedSection.SizeOfRawData);
builder.WriteUInt32((uint)serializedSection.PointerToRawData);
// PointerToRelocations (TODO: not supported):
builder.WriteUInt32(0);
// PointerToLinenumbers (TODO: not supported):
builder.WriteUInt32(0);
// NumberOfRelocations (TODO: not supported):
builder.WriteUInt16(0);
// NumberOfLinenumbers (TODO: not supported):
builder.WriteUInt16(0);
builder.WriteUInt32((uint)serializedSection.Characteristics);
}
private static void WriteSectionHeader(BlobBuilder builder, Section section, SerializedSection serializedSection)
{
if (serializedSection.VirtualSize == 0)
{
return;
}
for (int j = 0, m = section.Name.Length; j < 8; j++)
{
if (j < m)
{
builder.WriteByte((byte)section.Name[j]);
}
else
{
builder.WriteByte(0);
}
}
builder.WriteUInt32((uint)serializedSection.VirtualSize);
builder.WriteUInt32((uint)serializedSection.RelativeVirtualAddress);
builder.WriteUInt32((uint)serializedSection.SizeOfRawData);
builder.WriteUInt32((uint)serializedSection.PointerToRawData);
// PointerToRelocations (TODO: not supported):
builder.WriteUInt32(0);
// PointerToLinenumbers (TODO: not supported):
builder.WriteUInt32(0);
// NumberOfRelocations (TODO: not supported):
builder.WriteUInt16(0);
// NumberOfLinenumbers (TODO: not supported):
builder.WriteUInt16(0);
builder.WriteUInt32((uint)section.Characteristics);
}
private ImmutableArray<SerializedSection> SerializeSections()
{
var result = ImmutableArray.CreateBuilder<SerializedSection>(_sections.Count);
int sizeOfPeHeaders = ComputeSizeOfPeHeaders(_sections.Count, Is32Bit);
var nextRva = BitArithmeticUtilities.Align(sizeOfPeHeaders, SectionAlignment);
var nextPointer = BitArithmeticUtilities.Align(sizeOfPeHeaders, FileAlignment);
foreach (var section in _sections)
{
var builder = section.Builder(new PESectionLocation(nextRva, nextPointer));
var serialized = new SerializedSection(
builder,
section.Name,
section.Characteristics,
relativeVirtualAddress: nextRva,
sizeOfRawData: BitArithmeticUtilities.Align(builder.Count, FileAlignment),
pointerToRawData: nextPointer);
result.Add(serialized);
nextRva = BitArithmeticUtilities.Align(serialized.RelativeVirtualAddress + serialized.VirtualSize, SectionAlignment);
nextPointer = serialized.PointerToRawData + serialized.SizeOfRawData;
}
return result.MoveToImmutable();
}
