HelenOS sources

DW_LNS_copy        80 kernel/generic/src/debug/line.c 		case DW_LNS_copy:
DW_LNS_copy       188 kernel/generic/src/debug/line.c 		case DW_LNS_copy:
DW_LNS_copy       635 kernel/generic/src/debug/names.c 	ENTRY(DW_LNS_copy),
HelenOS homepage, sources at GitHub