private void CreateClient(IDebugClient client)
{
DebuggerInterface = client;
_spaces = (IDebugDataSpaces)DebuggerInterface;
_spacesPtr = (IDebugDataSpacesPtr)DebuggerInterface;
_symbols = (IDebugSymbols)DebuggerInterface;
_control = (IDebugControl2)DebuggerInterface;
// These interfaces may not be present in older DbgEng dlls.
_spaces2 = DebuggerInterface as IDebugDataSpaces2;
_symbols3 = DebuggerInterface as IDebugSymbols3;
_advanced = DebuggerInterface as IDebugAdvanced;
_systemObjects = DebuggerInterface as IDebugSystemObjects;
_systemObjects3 = DebuggerInterface as IDebugSystemObjects3;
Interlocked.Increment(ref s_totalInstanceCount);
if (_systemObjects3 == null && s_totalInstanceCount > 1)
{
throw new ClrDiagnosticsException("This version of DbgEng is too old to create multiple instances of DataTarget.", ClrDiagnosticsExceptionKind.DebuggerError);
}
if (_systemObjects3 != null)
{
_systemObjects3.GetCurrentSystemId(out _instance);
}
}
protected uint SetCurrentThreadId(uint engineThreadId, IDebugAdvanced debugClient)
{
IDebugSystemObjects sytemObject = ((IDebugSystemObjects)debugClient);
uint set_h_result = (uint)sytemObject.SetCurrentThreadId(engineThreadId);
if (set_h_result == DbgEng.E_NOINTERFACE)
{
throw new InvalidOperationException("No thread with the specified ID was found.");
}
return set_h_result;
}
public override bool SetThreadContext(ThreadInfo threadInfo, IDebugAdvanced debugClient, IDataReader dataReader)
{
bool result = false;
var plat = dataReader.GetArchitecture();
if (plat == Architecture.Amd64)
{
throw new InvalidOperationException("Unexpected architecture.");
}
byte[] contextBytes = new byte[GetThreadContextSize(dataReader)];
if (SetCurrentThreadId(threadInfo.EngineThreadId, debugClient) == DbgEng.S_OK)
{
var gch = GCHandle.Alloc(contextBytes, GCHandleType.Pinned);
var h_result = ((IDebugAdvanced)debugClient).GetThreadContext(gch.AddrOfPinnedObject(), (uint)contextBytes.Length);
if (h_result == DbgEng.S_OK)
{
try
{
var structure = Marshal.PtrToStructure<CONTEXT_X86>(gch.AddrOfPinnedObject());
threadInfo.ContextStruct = new Model.UnifiedThreadContext(structure, threadInfo);
result = true;
}
finally
{
gch.Free();
}
}
}
return result;
}
public abstract bool SetThreadContext(ThreadInfo threadInfo, IDebugAdvanced debugClient, IDataReader dataReader);
private void CreateClient(IDebugClient client)
{
_client = client;
_spaces = (IDebugDataSpaces)_client;
_spacesPtr = (IDebugDataSpacesPtr)_client;
_symbols = (IDebugSymbols)_client;
_control = (IDebugControl2)_client;
// These interfaces may not be present in older DbgEng dlls.
_spaces2 = _client as IDebugDataSpaces2;
_symbols3 = _client as IDebugSymbols3;
_advanced = _client as IDebugAdvanced;
_systemObjects = _client as IDebugSystemObjects;
_systemObjects3 = _client as IDebugSystemObjects3;
Interlocked.Increment(ref s_totalInstanceCount);
if (_systemObjects3 == null && s_totalInstanceCount > 1)
throw new ClrDiagnosticsException("This version of DbgEng is too old to create multiple instances of DataTarget.", ClrDiagnosticsException.HR.DebuggerError);
if (_systemObjects3 != null)
_systemObjects3.GetCurrentSystemId(out _instance);
}