==== 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                  0x92c3e291d50  P readable   P unreadable
mmap xz                0x92cf5e8f000  P unreadable P unreadable
mmap x                 0x92cc8e17000  P readable   P readable  
mmap nrx               0x92d15c98000  P readable   P readable  
mmap nwx               0x92c77205000  P readable   P readable  
mmap xnwx              0x92d29162000  P readable   P readable  
main                   0x92a391e9420  P readable   P unreadable
libc                   0x92c73267890  P readable   P unreadable