==== 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                  0x9e5ed751e50  P readable   P unreadable
mmap xz                0x9e6670ab000  P unreadable P unreadable
mmap x                 0x9e596e31000  P readable   P readable  
mmap nrx               0x9e600ed1000  P readable   P readable  
mmap nwx               0x9e5d8035000  P readable   P readable  
mmap xnwx              0x9e614e63000  P readable   P readable  
main                   0x9e3831c8410  P readable   P unreadable
libc                   0x9e6047add70  P readable   P unreadable