040000 tree f52e217fc9a0ef709fd95472327f8b5d56a9fd08	abi
040000 tree be8ce52a2097ad194925b25bab9ec9f7739c55cb	allocator
040000 tree 6b1e9abfe5bef9a830ddc065352f759c77a76f3f	cpu
040000 tree 4b7edd46b10436e4503a8b2bb6b78bed65e9e9b5	io
040000 tree 1b6451ab87f5e9841d29041ae666d824fcb8afc1	locale
040000 tree 87c0515109a39ceb19917aa77be9fc78f44de01d	os