static string?GetVersionStringFromModule(DbgShimState dbgShimState, uint pid, IntPtr ps, out string coreclrFilename)
{
var sb = new StringBuilder(0x1000);
coreclrFilename = Marshal.PtrToStringUni(ps) !;
int hr = dbgShimState.CreateVersionStringFromModule !(pid, coreclrFilename, sb, (uint)sb.Capacity, out uint verLen);
if (hr != 0)
{
sb.EnsureCapacity((int)verLen);
hr = dbgShimState.CreateVersionStringFromModule(pid, coreclrFilename, sb, (uint)sb.Capacity, out verLen);
}
return(hr < 0 ? null : sb.ToString());
}
static DbgShimState?GetOrCreateDbgShimState(string?runtimePath, string?dbgshimPath)
{
var paths = GetDbgShimPaths(runtimePath, dbgshimPath);
DbgShimState?dbgShimState;
foreach (var path in paths)
{
if (dbgShimStateDict.TryGetValue(path, out dbgShimState))
{
return(dbgShimState);
}
}
if (paths.Count == 0)
{
return(null);
}
dbgshimPath = paths[0];
// Use the same flags as dbgshim.dll uses when it loads mscordbi.dll
var handle = NativeMethods.LoadLibraryEx(dbgshimPath, IntPtr.Zero, NativeMethods.LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR | NativeMethods.LOAD_LIBRARY_SEARCH_DEFAULT_DIRS);
if (handle == IntPtr.Zero)
{
return(null); // eg. it's x86 but we're x64 or vice versa, or it's not a valid PE file
}
dbgShimState = new DbgShimState();
dbgShimState.Filename = dbgshimPath;
dbgShimState.Handle = handle;
dbgShimState.GetStartupNotificationEvent = GetDelegate <GetStartupNotificationEvent>(handle, "GetStartupNotificationEvent");
dbgShimState.CloseCLREnumeration = GetDelegate <CloseCLREnumeration>(handle, "CloseCLREnumeration");
dbgShimState.EnumerateCLRs = GetDelegate <EnumerateCLRs>(handle, "EnumerateCLRs");
dbgShimState.CreateVersionStringFromModule = GetDelegate <CreateVersionStringFromModule>(handle, "CreateVersionStringFromModule");
dbgShimState.CreateDebuggingInterfaceFromVersionEx = GetDelegate <CreateDebuggingInterfaceFromVersionEx>(handle, "CreateDebuggingInterfaceFromVersionEx");
if (dbgShimState.GetStartupNotificationEvent is null ||
dbgShimState.CloseCLREnumeration is null ||
dbgShimState.EnumerateCLRs is null ||
dbgShimState.CreateVersionStringFromModule is null ||
dbgShimState.CreateDebuggingInterfaceFromVersionEx is null)
{
NativeMethods.FreeLibrary(handle);
return(null);
}
dbgShimStateDict.Add(dbgShimState.Filename, dbgShimState);
return(dbgShimState);
}
