internal ImageSectionInfo(ImageSectionHeader struc, int number, IntPtr address)
{
Number = number;
Name = struc.Name;
Address = address;
Size = (int)struc.VirtualSize;
Characteristics = struc.Characteristics;
}
internal ImageSection(ImageSectionHeader header, bool mapped_as_image, IntPtr base_ptr)
{
Name = header.GetName();
int data_offset = mapped_as_image ? header.VirtualAddress : header.PointerToRawData;
int data_size = mapped_as_image ? header.VirtualSize : header.SizeOfRawData;
Data = new SafeHGlobalBuffer(base_ptr + data_offset, data_size, false);
RelativeVirtualAddress = header.VirtualAddress;
Characteristics = (ImageSectionCharacteristics)(uint)header.Characteristics;
Characteristics &= ImageSectionCharacteristics.Code | ImageSectionCharacteristics.Execute | ImageSectionCharacteristics.InitiailizedData
| ImageSectionCharacteristics.Read | ImageSectionCharacteristics.Shared | ImageSectionCharacteristics.UninitializedData | ImageSectionCharacteristics.Write;
}
public void Read(ReaderContext ctxt, BlobReader reader)
{
var name = reader.ReadAsciiZeroPaddedString(8);
if (string.IsNullOrEmpty(name))
throw new PEException("invalid SectionHeader.Name");
if (name.Equals(".text", StringComparison.Ordinal))
Section = Section.Text;
else if (name.Equals(".rsrc", StringComparison.Ordinal))
Section = Section.Rsrc;
else if (name.Equals(".reloc", StringComparison.Ordinal))
Section = Section.Reloc;
else
throw new PEException("invalid SectionHeader.Name");
VirtualSize = reader.ReadUInt32();
VirtualAddress = reader.ReadUInt32();
SizeOfRawData = reader.ReadUInt32();
// NOTE: Virtual size may be less than raw data size
if (VirtualSize > SizeOfRawData)
// Need to support readers with implicit zero padding at end
throw new NotImplementedException();
PointerToRawData.Read(reader);
PointerToRelocations = reader.ReadUInt32();
var actualPointerToLinenumbers = reader.ReadUInt32();
if (actualPointerToLinenumbers != pointerToLinenumbers)
throw new PEException("invalid SectionHeader.PointerToLinenumbers");
NumberOfRelocations = reader.ReadUInt16();
var actualNumberOfLinenumbers = reader.ReadUInt16();
if (actualNumberOfLinenumbers != numberOfLinenumbers)
throw new PEException("invalid SectionHeader.NumberOfLinenumbers");
Characteristics = (ImageSectionCharacteristics)reader.ReadUInt32();
if (ctxt.Tracer != null)
{
ctxt.Tracer.AppendLine("SectionHeader {");
ctxt.Tracer.Indent();
ctxt.Tracer.AppendLine(String.Format("Name: {0}", Section.ToString()));
ctxt.Tracer.AppendLine(String.Format("VirtualSize: {0:x8}", VirtualSize));
ctxt.Tracer.AppendLine(String.Format("VirtualAddress: {0:x8}", VirtualAddress));
ctxt.Tracer.AppendLine(String.Format("SizeOfRawData: {0:x8}", SizeOfRawData));
PointerToRawData.Append(ctxt, "PointerToRawData");
ctxt.Tracer.Outdent();
ctxt.Tracer.AppendLine("}");
}
}
