protected override void ProcessRecord()
{
base.ProcessRecord();
string dir = DbgProvider._TryFindDebuggersDir();
if (!String.IsNullOrEmpty(dir))
{
WriteObject(dir);
}
} // end ProcessRecord()
} // end _GuestModeCleanup()
private static int _NormalModeMainWrapper(string[] args)
{
//
// In this case we need to make sure that dbgeng.dll et al get loaded from the
// proper location (not system32). DbgEngWrapper.dll used to load the right
// one for us (the one right next to it), until we changed it to be a "pure"
// .NET assembly (to workaround the appdomain/process-global problem).
//
string rootDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
string pathToDbgEng = Path.Combine(rootDir, "Debugger", "dbgeng.dll");
IntPtr hDbgEng = NativeMethods.LoadLibraryEx(pathToDbgEng,
IntPtr.Zero,
LoadLibraryExFlags.LOAD_WITH_ALTERED_SEARCH_PATH);
if (IntPtr.Zero == hDbgEng)
{
throw new Exception("Could not load dbgeng.dll.");
}
//
// Let's also try to fix up the extension path, so that extensions can be found.
//
// First, let's add our own root dir, so that dbgshellext can be found.
//
StringBuilder sbNewExtPath;
string curExtPath = Environment.GetEnvironmentVariable("_NT_DEBUGGER_EXTENSION_PATH");
if (String.IsNullOrEmpty(curExtPath))
{
sbNewExtPath = new StringBuilder();
}
else
{
sbNewExtPath = new StringBuilder(curExtPath,
2 * curExtPath.Length);
sbNewExtPath.Append(';');
}
sbNewExtPath.Append(rootDir);
//
// Can we even find some other extensions?
//
string debuggersDir = DbgProvider._TryFindDebuggersDir();
if (null != debuggersDir)
{
sbNewExtPath.Append(';');
sbNewExtPath.Append(Path.Combine(debuggersDir, "winxp"));
sbNewExtPath.Append(';');
sbNewExtPath.Append(Path.Combine(debuggersDir, "winext"));
sbNewExtPath.Append(';');
sbNewExtPath.Append(Path.Combine(debuggersDir, @"winext\arcade"));
sbNewExtPath.Append(';');
sbNewExtPath.Append(Path.Combine(debuggersDir, "pri"));
sbNewExtPath.Append(';');
sbNewExtPath.Append(debuggersDir);
}
Environment.SetEnvironmentVariable("_NT_DEBUGGER_EXTENSION_PATH",
sbNewExtPath.ToString());
//
// IDEA: Hmm... maybe if we find a debuggers directory, we should load dbgeng
// out of there? But what if they are old?
//
try
{
return(MainWorker(args));
}
finally
{
NativeMethods.FreeLibrary(hDbgEng);
}
} // end _NormalModeMainWrapper()