valentinagiusti added inline comments.

================
Comment at: 
source/Plugins/Process/Linux/NativeRegisterContextLinux_x86_64.cpp:805
@@ -827,2 +804,3 @@
+  if (m_xstate_type == XStateType::Invalid) {
     if (const_cast<NativeRegisterContextLinux_x86_64 
*>(this)->ReadFPR().Fail())
       return false;
----------------
valentinagiusti wrote:
> labath wrote:
> > Then I think we should make that non-const as well. I mean, what's the 
> > point of making it const if it does actually modify the state of the 
> > object. Either that, or implement it in a way that does not modify the 
> > state.
> This involves changing the interface of NativeRegisterContextLinux just 
> because NativeRegisterContextLinux_x86_64 has some specific needs that make 
> GetRegisterCount use a non-const function. Also, I don't have all the 
> hardware to test such a cross-platform change.
Anyway I guess I can submit a follow-up patch with this, I will do it today ;)


https://reviews.llvm.org/D24764



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