==== 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                   0x20756374f0  P readable   P unreadable
mmap xz                 0x2031e57000  P unreadable P unreadable
mmap x                  0x205e1d3000  P readable   P readable  
mmap nrx                0x20e6706000  P readable   P readable  
mmap nwx                0x2086c3f000  P readable   P readable  
mmap xnwx               0x207c8e4000  P readable   P readable  
main                    0x1e22e38420  P readable   P unreadable
libc                    0x20d08356b0  P readable   P unreadable