040000 tree 45c90de0ee4b00c399dacfafe86f5e049086fb5c	arm_mpu_regions
040000 tree 3a0eb1ee794c096efd1bc2002169f6c7b2853cd0	iterable_sections
040000 tree e471c75464618f1bbcd6a9e20ef805c0e30612a8	print_format
040000 tree c802f0ab5356818e8a75ac13fe8f259bbf97bd4e	test_build