pi@raspberrypi:~ $ ldd /bin/ls
linux-vdso.so.1 (0xbef29000)
/usr/lib/arm-linux-gnueabihf/libarmmem-${PLATFORM}.so => /usr/lib/arm-linux-gnueabihf/libarmmem-v7l.so (0xb6f68000)
libselinux.so.1 => /lib/arm-linux-gnueabihf/libselinux.so.1 (0xb6f23000)
libc.so.6 => /lib/arm-linux-gnueabihf/libc.so.6 (0xb6dd5000)
/lib/ld-linux-armhf.so.3 (0xb6f7d000)
libpcre.so.3 => /lib/arm-linux-gnueabihf/libpcre.so.3 (0xb6d5e000)
libdl.so.2 => /lib/arm-linux-gnueabihf/libdl.so.2 (0xb6d4b000)
libpthread.so.0 => /lib/arm-linux-gnueabihf/libpthread.so.0 (0xb6d21000)
pi@raspberrypi:~ $ readelf -d /bin/ls | grep 'NEEDED'
0x00000001 (NEEDED) Shared library: [libselinux.so.1]
0x00000001 (NEEDED) Shared library: [libc.so.6]
0x00000001 (NEEDED) Shared library: [ld-linux-armhf.so.3]
i@raspberrypi:~ $ sudo awk '/\.so/{print $6}' /proc/1/maps | sort -u
/usr/lib/arm-linux-gnueabihf/ld-2.28.so
/usr/lib/arm-linux-gnueabihf/libacl.so.1.1.2253
/usr/lib/arm-linux-gnueabihf/libapparmor.so.1.6.0
/usr/lib/arm-linux-gnueabihf/libargon2.so.1
/usr/lib/arm-linux-gnueabihf/libarmmem-v7l.so
/usr/lib/arm-linux-gnueabihf/libattr.so.1.1.2448
/usr/lib/arm-linux-gnueabihf/libaudit.so.1.0.0
/usr/lib/arm-linux-gnueabihf/libblkid.so.1.1.0
/usr/lib/arm-linux-gnueabihf/libc-2.28.so
/usr/lib/arm-linux-gnueabihf/libcap-ng.so.0.0.0
/usr/lib/arm-linux-gnueabihf/libcap.so.2.25
/usr/lib/arm-linux-gnueabihf/libcrypto.so.1.1
/usr/lib/arm-linux-gnueabihf/libcryptsetup.so.12.4.0
/usr/lib/arm-linux-gnueabihf/libdevmapper.so.1.02.1
/usr/lib/arm-linux-gnueabihf/libdl-2.28.so
/usr/lib/arm-linux-gnueabihf/libgcrypt.so.20.2.4
/usr/lib/arm-linux-gnueabihf/libgpg-error.so.0.26.1
/usr/lib/arm-linux-gnueabihf/libidn.so.11.6.16
/usr/lib/arm-linux-gnueabihf/libip4tc.so.0.1.0
/usr/lib/arm-linux-gnueabihf/libjson-c.so.3.0.1
/usr/lib/arm-linux-gnueabihf/libkmod.so.2.3.4
/usr/lib/arm-linux-gnueabihf/liblz4.so.1.8.3
/usr/lib/arm-linux-gnueabihf/liblzma.so.5.2.4
/usr/lib/arm-linux-gnueabihf/libm-2.28.so
/usr/lib/arm-linux-gnueabihf/libmount.so.1.1.0
/usr/lib/arm-linux-gnueabihf/libpam.so.0.84.2
/usr/lib/arm-linux-gnueabihf/libpcre.so.3.13.3
/usr/lib/arm-linux-gnueabihf/libpthread-2.28.so
/usr/lib/arm-linux-gnueabihf/librt-2.28.so
/usr/lib/arm-linux-gnueabihf/libseccomp.so.2.3.3
/usr/lib/arm-linux-gnueabihf/libselinux.so.1
/usr/lib/arm-linux-gnueabihf/libssl.so.1.1
/usr/lib/arm-linux-gnueabihf/libudev.so.1.6.13
/usr/lib/arm-linux-gnueabihf/libuuid.so.1.3.0
/usr/lib/systemd/libsystemd-shared-241.so