/// <summary>
/// Constructor
/// </summary>
/// <param name="reader">PE file reader pointing to the start of this section</param>
/// <param name="verify">Verify section</param>
/// <exception cref="BadImageFormatException">Thrown if verification fails</exception>
public ImageDebugDirectory(ref DataReader reader, bool verify)
{
SetStartOffset(ref reader);
characteristics = reader.ReadUInt32();
timeDateStamp = reader.ReadUInt32();
majorVersion = reader.ReadUInt16();
minorVersion = reader.ReadUInt16();
type = (ImageDebugType)reader.ReadUInt32();
sizeOfData = reader.ReadUInt32();
addressOfRawData = reader.ReadUInt32();
pointerToRawData = reader.ReadUInt32();
SetEndoffset(ref reader);
}
static ImageDebugDirectory TryGetDebugDirectoryEntry(IPEImage peImage, ImageDebugType imageDebugType)
{
var list = peImage.ImageDebugDirectories;
int count = list.Count;
for (int i = 0; i < count; i++)
{
var entry = list[i];
if (entry.Type == imageDebugType)
{
return(entry);
}
}
return(null);
}
private static ImageDebugHeaderEntry GetEntry(this ImageDebugHeader header, ImageDebugType type)
{
if (!header.HasEntries)
{
return(null);
}
for (var i = 0; i < header.Entries.Length; i++)
{
var entry = header.Entries [i];
if (entry.Directory.Type == type)
{
return(entry);
}
}
return(null);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Processes the debug info.
/// </summary>
/// <remarks>Info about debug info from
/// http://www.debuginfo.com/articles/debuginfomatch.html</remarks>
/// ------------------------------------------------------------------------------------
private void ProcessDebugInfo()
{
m_stream.Position += 4;
OverwriteTimestamp();
m_stream.Position += 4;
ImageDebugType type = (ImageDebugType)m_reader.ReadInt32();
if (type != ImageDebugType.Codeview)
{
throw new ApplicationException(
"Can handle only CodeView debug information at the moment");
}
// Size
// Address of Raw Data
m_stream.Position += 8;
int nPointerToDebugInfo = m_reader.ReadInt32();
m_stream.Position = nPointerToDebugInfo;
string cvSignature = new string(m_reader.ReadChars(4));
if (cvSignature == "RSDS") // PDB 7.0
{
// wipe out GUID
byte[] buffer = new byte[Marshal.SizeOf(typeof(Guid))];
m_writer.Write(buffer);
// wipe out Age
m_writer.Write((int)0);
// PDB Filename
}
else
{
throw new ApplicationException(
"Unsupported CodeView format (can handle only PDB 7.0)");
}
}
public ImageDebugDirectory TryGetDebugDirectoryEntry(ImageDebugType imageDebugType) => TryGetDebugDirectoryEntry(peImage, imageDebugType);
