==== 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                  0x5e9932fd120  P readable   P unreadable
mmap xz                0x5e92b2e5000  P unreadable P unreadable
mmap x                 0x5e8fb202000  P readable   P readable  
mmap nrx               0x5e987a28000  P readable   P readable  
mmap nwx               0x5e8f28cb000  P readable   P readable  
mmap xnwx              0x5e8ec648000  P readable   P readable  
main                   0x5e6d590d420  P readable   P unreadable
libc                   0x5e9c669ebd0  P readable   P unreadable