public override RcwData GetRCWData(ulong obj)
{
// Most types can't possibly be RCWs.
if (_notRCW)
{
return(null);
}
// The dac cannot report this information prior to v4.5.
if (DesktopHeap.DesktopRuntime.CLRVersion != DesktopVersion.v45)
{
_notRCW = true;
return(null);
}
DesktopRCWData result = null;
IObjectData data = DesktopHeap.GetObjectData(obj);
if (data != null && data.RCW != 0)
{
IRCWData rcw = DesktopHeap.DesktopRuntime.GetRCWData(data.RCW);
if (rcw != null)
{
result = new DesktopRCWData(DesktopHeap, data.RCW, rcw);
}
}
else if (!_checkedIfIsRCW) // If the first time fails, we assume that all instances of this type can't be RCWs.
{
_notRCW = true; // TODO FIX NOW review. We really want to simply ask the runtime...
}
_checkedIfIsRCW = true;
return(result);
}
public override CcwData GetCCWData(ulong obj)
{
if (_notCCW)
{
return(null);
}
// The dac cannot report this information prior to v4.5.
if (DesktopHeap.DesktopRuntime.CLRVersion != DesktopVersion.v45)
{
return(null);
}
DesktopCCWData result = null;
IObjectData data = DesktopHeap.GetObjectData(obj);
if (data != null && data.CCW != 0)
{
ICCWData ccw = DesktopHeap.DesktopRuntime.GetCCWData(data.CCW);
if (ccw != null)
{
result = new DesktopCCWData(DesktopHeap, data.CCW, ccw);
}
}
else if (!_checkedIfIsCCW)
{
_notCCW = true;
}
_checkedIfIsCCW = true;
return(result);
}
public override bool IsRCW(ulong obj)
{
if (_checkedIfIsRCW)
{
return(!_notRCW);
}
// The dac cannot report this information prior to v4.5.
if (DesktopHeap.DesktopRuntime.CLRVersion != DesktopVersion.v45)
{
return(false);
}
IObjectData data = DesktopHeap.GetObjectData(obj);
_notRCW = !(data != null && data.RCW != 0);
_checkedIfIsRCW = true;
return(!_notRCW);
}
