==== 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                  0x7d945822220  P readable   P unreadable
mmap xz                0x7d8b59b1000  P unreadable P unreadable
mmap x                 0x7d92e3e5000  P readable   P readable  
mmap nrx               0x7d90a5cb000  P readable   P readable  
mmap nwx               0x7d912a13000  P readable   P readable  
mmap xnwx              0x7d936c6b000  P readable   P readable  
main                   0x7d64d828420  P readable   P unreadable
libc                   0x7d8d1559410  P readable   P unreadable