==== 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                  0x98369988840  P readable   P unreadable
mmap xz                0x983ec18a000  P unreadable P unreadable
mmap x                 0x983b5ede000  P readable   P readable  
mmap nrx               0x98452e70000  P readable   P readable  
mmap nwx               0x983b36ae000  P readable   P readable  
mmap xnwx              0x983b1479000  P readable   P readable  
main                   0x98155f68420  P readable   P unreadable
libc                   0x983c2f03990  P readable   P unreadable