040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 78a5ce745b6a6c47c1f3004ca7df561694a97f9c	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree a24b7225ebb6f74fdc881609f097b269d65e559d	tools