sparc-*-netbsd*) gdb_target=nbsd ;;
sparc64-*-netbsd*) gdb_target=nbsd64 ;;
sparc-*-openbsd*) gdb_target=nbsd ;;
-sparc64-*-openbsd*) gdb_target=nbsd64 ;;
+sparc64-*-openbsd*) gdb_target=obsd64
+ gdb_osabi=GDB_OSABI_OPENBSD_ELF
+ ;;
sparc-*-solaris2.[0-6] | sparc-*-solaris2.[0-6].*)
gdb_target=sol2
;;