==== 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                  0xfd39be02a90  P readable   P unreadable
mmap xz                0xfd48d6b8000  P unreadable P unreadable
mmap x                 0xfd4125f6000  P readable   P readable  
mmap nrx               0xfd43e510000  P readable   P readable  
mmap nwx               0xfd3af3f2000  P readable   P readable  
mmap xnwx              0xfd46a01e000  P readable   P readable  
main                   0xfd18e502410  P readable   P unreadable
libc                   0xfd3f563fca0  P readable   P unreadable