040000 tree 9291c63f7372585b60df305ec12628c805a46945	binutils
040000 tree 74b1ee6dcb99a83581641c705eb2bfffa36f2f61	gcc
040000 tree 455048b4429c84b65d55c58f0aaacaa4ab779d1b	gdb
040000 tree 31130a2e90a0a020ce0cc8a9516a8cbd600acbdf	newlib
040000 tree 3d7ce3c7829c7151552aa8d2aef4b196c56bfd9f	qemu