/// <summary>
/// This method generates a PowerShell script to automate download of matched PDBs from the public symbol server.
/// </summary>
/// <param name="dllSearchPath"></param>
/// <param name="recurse"></param>
/// <returns></returns>
internal string ObtainPDBDownloadCommandsfromDLL(string dllSearchPath, bool recurse)
{
if (string.IsNullOrEmpty(dllSearchPath))
{
return(null);
}
var moduleNames = new string[] { "ntdll", "kernel32", "kernelbase", "ntoskrnl", "sqldk", "sqlmin", "sqllang", "sqltses", "sqlaccess", "qds", "hkruntime", "hkengine", "hkcompile", "sqlos", "sqlservr" };
var finalCommand = new StringBuilder();
finalCommand.AppendLine("\tNew-Item -Type Directory -Path <somepath> -ErrorAction SilentlyContinue");
foreach (var currentModule in moduleNames)
{
var splitRootPaths = dllSearchPath.Split(';');
string finalFilePath = null;
foreach (var currPath in splitRootPaths)
{
var foundFiles = from f in Directory.EnumerateFiles(currPath, currentModule + ".*", recurse ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly)
where !f.EndsWith(".pdb", StringComparison.InvariantCultureIgnoreCase)
select f;
if (foundFiles.Count() > 0)
{
finalFilePath = foundFiles.First();
break;
}
}
if (!string.IsNullOrEmpty(finalFilePath))
{
using (var dllFileStream = new FileStream(finalFilePath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (var dllFile = new PEFile(dllFileStream, false))
{
string pdbName;
Guid pdbGuid;
int pdbAge;
dllFile.GetPdbSignature(out pdbName, out pdbGuid, out pdbAge);
pdbName = System.IO.Path.GetFileNameWithoutExtension(pdbName);
var signaturePlusAge = pdbGuid.ToString("N") + pdbAge.ToString();
var fileVersion = dllFile.GetFileVersionInfo().FileVersion;
finalCommand.Append("\t");
finalCommand.AppendFormat(@"Invoke-WebRequest -uri 'http://msdl.microsoft.com/download/symbols/{0}.pdb/{1}/{0}.pdb' -OutFile '<somepath>\{0}.pdb' # File version {2}", pdbName, signaturePlusAge, fileVersion);
finalCommand.AppendLine();
}
}
}
}
return(finalCommand.ToString());
}
SymbolModule FindPdbForModule(ModuleInfo module)
{
if (module == null)
{
return(null);
}
string pdbName;
Guid pdbGuid;
int rev;
using (PEFile pefile = new PEFile(new ReadVirtualStream(m_dataReader, (long)module.ImageBase, (long)module.FileSize), true))
if (!pefile.GetPdbSignature(out pdbName, out pdbGuid, out rev))
{
return(null);
}
if (!File.Exists(pdbName))
{
ISymbolNotification notification = DefaultSymbolNotification ?? new NullSymbolNotification();
pdbName = Path.GetFileName(pdbName);
pdbName = SymbolReader.FindSymbolFilePath(pdbName, pdbGuid, rev, notification);
if (string.IsNullOrEmpty(pdbName) || !File.Exists(pdbName))
{
return(null);
}
}
if (pdbName == null)
{
m_symbols[module] = null;
return(null);
}
SymbolModule symbols = null;
try
{
symbols = new SymbolModule(SymbolReader, pdbName);
m_symbols[module] = symbols;
}
catch
{
m_symbols[module] = null;
return(null);
}
return(symbols);
}
public override bool IsMatchingPdb(string pdbPath)
{
if (m_peFile == null)
{
m_peFile = new PEFile(new ReadVirtualStream(m_runtime.DataReader, (long)m_imageBase, (long)m_size), true);
}
string pdbName;
Guid pdbGuid;
int rev;
if (!m_peFile.GetPdbSignature(out pdbName, out pdbGuid, out rev))
{
throw new ClrDiagnosticsException("Failed to get PDB signature from module.", ClrDiagnosticsException.HR.DataRequestError);
}
IDiaDataSource source = DiaLoader.GetDiaSourceObject();
IDiaSession session;
source.loadDataFromPdb(pdbPath);
source.openSession(out session);
return(pdbGuid == session.globalScope.guid);
}
/// <summary> /// Looks up the debug signature information in the EXE. Returns true and sets the parameters if it is found. /// If 'first' is true then the first entry is returned, otherwise (by default) the last entry is used /// (this is what debuggers do today). Thus NGEN images put the IL PDB last (which means debuggers /// pick up that one), but we can set it to 'first' if we want the NGEN PDB. /// </summary> /// <param name="pdbName">Name of the PDB.</param> /// <param name="pdbGuid">The PDB unique identifier.</param> /// <param name="pdbAge">The PDB age.</param> /// <param name="first">if set to <c>true</c> [first].</param> /// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns> /// <inheritdoc /> public bool GetPdbSignature(out string pdbName, out Guid pdbGuid, out int pdbAge, bool first = false) => PeFile.GetPdbSignature(out pdbName, out pdbGuid, out pdbAge, first);
