040000 tree c61ab3b5588097ef60b9024b9d4fbda7fc85719b	arm
040000 tree c50e09ec40e0f3f1f84b36893ad4e90afba51136	mips
040000 tree 2eccb7ab2601a68fc8674d021dd2029419a7baf8	sparc
040000 tree 8045674ff7fb1037234985e20c82ab275bea9943	x86