040000 tree 2620858e85ce55b27a067601ac8fe0089066cdf7	atomic
040000 tree 05cb616a6ae5401d90c73bf8e08c8ca6db696f2a	exithook
040000 tree 36d766245e2e518b114d02f48195fd559e8e8e4c	math
040000 tree 029a3b1fb991ffe247f1a34d12941bd83af670d5	sys
040000 tree 362c40ea2d2c2a2b273ebac2b7df78aca9b02658	syscall