Index: head/usr.bin/kdump/kdump.c
===================================================================
--- head/usr.bin/kdump/kdump.c
+++ head/usr.bin/kdump/kdump.c
@@ -520,6 +520,9 @@
 	case SV_ABI_FREEBSD:
 		abi = "F";
 		break;
+	case SV_ABI_CLOUDABI:
+		abi = "C";
+		break;
 	default:
 		abi = "U";
 		break;
@@ -674,6 +677,10 @@
 #endif
 		return (SYSDECODE_ABI_LINUX);
 #endif
+#if defined(__aarch64__) || defined(__amd64__)
+	case SV_ABI_CLOUDABI:
+		return (SYSDECODE_ABI_CLOUDABI64);
+#endif
 	default:
 		return (SYSDECODE_ABI_UNKNOWN);
 	}