==== run-regress-xonly ====
cc -O2 -pipe  -g -Wall -Wpointer-arith -Wuninitialized -Wstrict-prototypes -Wmissing-prototypes -Wunused -Wsign-compare -Wshadow  -MD -MP  -c /home/src/regress/sys/kern/xonly/xonly.c
cc   -o xonly xonly.o 
./xonly
                                      userland     kernel
ld.so                  0xcf200449310  P readable   P unreadable
mmap xz                0xcf2025e3000  P unreadable P unreadable
mmap x                 0xcf1b3c6a000  P readable   P readable  
mmap nrx               0xcf265e2d000  P readable   P readable  
mmap nwx               0xcf19bcd3000  P readable   P readable  
mmap xnwx              0xcf2347d8000  P readable   P readable  
main                   0xcef821c4420  P readable   P unreadable
libc                   0xcf22bce1930  P readable   P unreadable