/usr/lib/gcc/arm-linux-gnueabihf/4.6/libgcc_s.so is in gcc-4.6-arm-linux-gnueabihf 4.6.3-1ubuntu5cross1.63.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | /* GNU ld script
Use the shared library, but some functions are only in
the static library. */
GROUP ( libgcc_s.so.1 libgcc.a )
|