/usr/share/man/man1/ is in gnat-8-arm-linux-gnueabihf 8-20180414-1ubuntu2cross1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/man/man1/arm-linux-gnueabihf-gnatlink.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatls-8.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatls.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatmake-8.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnat-8.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnat.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatbind-8.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatbind.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatchop-8.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatchop.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatclean-8.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatclean.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatfind-8.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatfind.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatgcc.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnathtml-8.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnathtml.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatkr-8.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatkr.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatlink-8.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatmake.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatname-8.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatname.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatprep-8.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatprep.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatxref-8.1.gz
/usr/share/man/man1/arm-linux-gnueabihf-gnatxref.1.gz