/usr/share/ is in gnat-7-powerpc-linux-gnuspe 7.3.0-16ubuntu3cross1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/gcc-7-powerpc-linux-gnuspe-base/
/usr/share/doc/gcc-7-powerpc-linux-gnuspe-base/ada/
/usr/share/doc/
/usr/share/doc/gcc-7-powerpc-linux-gnuspe-base/ada/ChangeLog.gz
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/gnat-7-powerpc-linux-gnuspe
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/powerpc-linux-gnuspe-gnat-7.1.gz
/usr/share/doc/gnat-7-powerpc-linux-gnuspe
/usr/share/man/man1/powerpc-linux-gnuspe-gnat.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatbind-7.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatbind.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatchop-7.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatchop.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatclean-7.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatclean.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatfind-7.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatfind.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatgcc.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnathtml-7.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnathtml.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatkr-7.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatkr.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatlink-7.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatlink.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatls-7.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatls.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatmake-7.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatmake.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatname-7.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatname.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatprep-7.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatprep.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatxref-7.1.gz
/usr/share/man/man1/powerpc-linux-gnuspe-gnatxref.1.gz