public static void WriteRsDsSignature(Stream pdbStream, RsDsSignature signature)
{
BinaryReader br = new BinaryReader(pdbStream);
BinaryWriter bw = new BinaryWriter(pdbStream);
// Look for all blocks starting with the PDB Version (20000404) and replace the Age and GUID four bytes later
int replacementCount = 0;
for (long position = PdbBlockSize; position + PdbBlockSize < pdbStream.Length; position += PdbBlockSize)
{
pdbStream.Seek(position, SeekOrigin.Begin);
uint startingValue = br.ReadUInt32();
if (startingValue == PdbVersion)
{
br.ReadUInt32();
// Read existing valuesand seek back [debuggability]
//uint age = br.ReadUInt32();
//Guid binaryGuid = new Guid(br.ReadBytes(16));
//pdbStream.Seek(-20, SeekOrigin.Current);
bw.Write(signature.Age);
bw.Write(signature.Guid.ToByteArray());
replacementCount++;
}
}
if (replacementCount == 0)
{
throw new BadImageFormatException($"PDB Stream didn't contain expected marker {PdbVersion} on any blocks.");
}
}
public static void WriteRsDsSignature(string pdbFilePath, RsDsSignature signature)
{
using (FileStream stream = new FileStream(pdbFilePath, FileMode.Open, FileAccess.ReadWrite, FileShare.None))
{
WriteRsDsSignature(stream, signature);
}
}
public static string GetSymbolCachePdbPath(string binaryFilePath)
{
RsDsSignature signature = ReadRsDsSignature(binaryFilePath);
if (signature == null)
{
return(null);
}
string pdbFileName = Path.GetFileNameWithoutExtension(binaryFilePath) + ".pdb";
return(Path.Combine(SymbolCache.Path, pdbFileName, signature.ToString(), pdbFileName));
}
