/usr/lib/gcc-cross/mipsel-linux-gnu/6/n32/libgcc_s.so is in libn32gcc-6-dev-mipsel-cross 6.4.0-17ubuntu1cross1.
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 -lgcc )
|