040000 tree 85b1fa91cb6fa04d2f6385139dfff1c779d487f0	dwarf
040000 tree 0a6bbcbeaea211b78175afd1678e21d696a7550c	elf
040000 tree 9f507fb1476bba84d92a3e44419fc228cd286627	gosym
040000 tree e9a3c3cb1f33564583cf0a4a117926f9420a9b4b	macho
040000 tree d7e3bd386de6a59dfc5dc4c8c670e32af39505da	pe
040000 tree c0fe89c7ba69d4edd1e155c6bed2b026bf8f1e49	plan9obj