040000 tree fc909d47871fee2ff16af7095c88aeec7e58c68a	debug
040000 tree e6b4483a7b51d098d7728f579a7eef9bb764d75e	heap
040000 tree 152f0f1d02b035493e306b57259ebecca02d22fc	libc
040000 tree 129f63f3ff2957bb641e56e1dbf88192375195fb	lwip