HelenOS sources

DW_FORM_block4    316 kernel/generic/src/debug/names.c 	ENTRY(DW_FORM_block4),
DW_FORM_block4    103 kernel/generic/src/debug/util.c 	case DW_FORM_block4:
DW_FORM_block4    262 kernel/generic/src/debug/util.c 	case DW_FORM_block4:
HelenOS homepage, sources at GitHub