040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree c4acc3ae4b6dc067a3b03d091615b9107a6a0f58	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 7d0ce80e26fa1fe174708b5531b5eb8f1bdd62e7	tools