/usr/share/ada/adainclude/rts-sjlj is in gnat-4.6-sjlj 4.6.4-0ubuntu5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/ada/adainclude/../../../lib/gcc/x86_64-linux-gnu/4.6/rts-sjlj
/usr/share/ada/adainclude/../../../lib/gcc/x86_64-linux-gnu/4.6/rts-sjlj