The output of your command "ldd -d /usr/bin/gcc" is:

	linux-vdso.so.1 (0x00007ffd8d980000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x000070f1ad600000)
	/lib64/ld-linux-x86-64.so.2 (0x000070f1ada07000)