/usr/bin/arm-linux-gnueabi-gcc-nm is in gcc-arm-linux-gnueabi 4:6.3.0-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/bin/arm-linux-gnueabi-gcc-nm-6
/usr/bin/arm-linux-gnueabi-gcc-nm-6