How to use C++ in DM6446 on ARM side

Most of our software offering, and most customer projects, tend to use plain C so I am not too suprised there are issues right off the bat. Without more information I could not say how to fix it, but if you could post the errors you are getting that may help to point in the right direction.

Have you tried compiling outside of xdc?  I have built C++ programs in the past, although I do not recall if I used iostream. 

Thank you,I've solve the problem

This is great news! would you mind sharing the solution for the benefit of the community? 

As always, we are here to help.

I thought that using C++ in DM6446 on ARM side may be troublesome.So I modified my c++ code to c code