CodeViewDebugData ReadCodeViewDebugData(DebugDirectory debugDir)
{
Debug.Assert(debugDir.Type == ImageDebugType.CodeView);
//Console.WriteLine("ReadCodeViewDebugData: Debug directory with AddressOfRawData 0x" + debugDir.AddressOfRawData.ToString("x"));
// sanity check read size
if (debugDir.SizeOfData > 1000)
{
Console.WriteLine("ReadCodeViewDebugData: SizeOfData > 1000 - assuming bad data");
return(null);
}
BinaryReader reader;
if (!TryReadAtRVA((int)debugDir.AddressOfRawData, (int)debugDir.SizeOfData, out reader))
{
Console.WriteLine("ReadCodeViewDebugData: Unable to read rva=0x" + debugDir.AddressOfRawData.ToString("x") + " size=" + debugDir.SizeOfData);
return(null);
}
int signature = reader.ReadInt32();
if (signature != PEFileConstants.CodeViewSignature)
{
Console.WriteLine("ReadCodeViewDebugData: Invalid codeview signature Expected: " + PEFileConstants.CodeViewSignature + " Actual: " + signature);
return(null);
}
CodeViewDebugData codeView = new CodeViewDebugData();
codeView.Signature = new Guid(reader.ReadBytes(16));
codeView.Age = (int)reader.ReadUInt32();
codeView.PdbPath = reader.ReadNullTerminatedString(Encoding.UTF8);
//Console.WriteLine("ReadCodeViewDebugData: PdbPath=" + codeView.PdbPath + " Age=" + codeView.Age + " Signature="+codeView.Signature);
return(codeView);
}
List <DebugDirectory> ReadDebugDirectories()
{
// there might not be a debug directory, in which case return an empty list
if (OptionalHeaderDirectoryEntries.DebugTableDirectory.RelativeVirtualAddress == 0)
{
return(new List <DebugDirectory>());
}
BinaryReader reader;
if (!TryDirectoryToReader(OptionalHeaderDirectoryEntries.DebugTableDirectory, out reader))
{
throw new PEReaderException("Unable to load DebugDirectory from PE");
}
int countDirectories = (int)(OptionalHeaderDirectoryEntries.DebugTableDirectory.Size / PEFileConstants.SizeofDebugDirectory);
List <DebugDirectory> debugDirectories = new List <DebugDirectory>();
for (int i = 0; i < countDirectories; i++)
{
DebugDirectory debugDir = new DebugDirectory();
debugDir.Characteristics = reader.ReadUInt32();
debugDir.TimeDateStamp = reader.ReadUInt32();
debugDir.MajorVersion = reader.ReadUInt16();
debugDir.MinorVersion = reader.ReadUInt16();
debugDir.Type = (ImageDebugType)reader.ReadUInt32();
debugDir.SizeOfData = reader.ReadUInt32();
debugDir.AddressOfRawData = reader.ReadUInt32();
debugDir.PointerToRawData = reader.ReadUInt32();
debugDirectories.Add(debugDir);
}
return(debugDirectories);
}
