case "${target_cpu}" in
+alpha) gdb_target_cpu=alpha ;;
c[12]) gdb_target_cpu=convex ;;
hppa*) gdb_target_cpu=pa ;;
i[34]86) gdb_target_cpu=i386 ;;
a29k-*-sym1) gdb_target=ultra3 ;;
a29k-*-udi) gdb_target=a29k-udi ;;
+alpha-*-osf*) gdb_target=alpha-osf1 ;;
+
arm-*-*) gdb_target=arm ;;
c1-*-*) gdb_target=convex ;;