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);
}
static string GetPdbFileForModule(string fileName)
{
string retVal;
// look in the "cache" of already successfully opened
if (s_pdbFileForModule.TryGetValue(fileName, out retVal))
{
return(retVal);
}
retVal = null;
CodeViewDebugData cvdd = CvDataFromPE(fileName);
if (cvdd != null)
{
if (s_symStore == null)
{
s_symStore = SymStore.FromPath(s_symbolServerPath);
}
if (s_symStore != null)
{
Stream pdbStream;
string indexString = cvdd.Signature.ToString().Replace("-", "").ToUpper() + cvdd.Age.ToString();
string localFileName = Path.GetFileName(cvdd.PdbPath);
SymStoreResult symResult = new SymStoreResult();
if (s_symStore.TryGetFile(localFileName, indexString, symResult, out pdbStream))
{
retVal = symResult.CachedPath;
}
}
}
s_pdbFileForModule.Add(fileName, retVal);
return(retVal);
}
