@ stub CopyContext @ stdcall -ret64 -arch=i386,x86_64 GetEnabledXStateFeatures() kernel32.GetEnabledXStateFeatures @ stub GetXStateFeaturesMask @ stdcall -arch=i386,x86_64 InitializeContext(ptr long ptr ptr) kernel32.InitializeContext @ stdcall -arch=i386,x86_64 LocateXStateFeature(ptr long ptr) kernel32.LocateXStateFeature @ stub SetXStateFeaturesMask