/usr/lib/gcc/ is in gobjc-4.4-arm-linux-gnueabihf 4.4.7-1ubuntu2cross1.52.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/gcc/arm-linux-gnueabihf/
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/libobjc.a
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/cc1obj
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/libobjc_gc.a
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/objc/
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/objc/thr.h
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/objc/Protocol.h
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/objc/typedstream.h
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/objc/encoding.h
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/objc/objc-api.h
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/objc/objc.h
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/objc/NXConstStr.h
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/objc/sarray.h
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/objc/Object.h
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/objc/objc-list.h
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/objc/objc-decls.h
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/include/objc/hash.h
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/libobjc_gc.so
/usr/lib/gcc/arm-linux-gnueabihf/4.4.7/libobjc.so