==== 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                   0xa5ce68a5f0  P readable   P unreadable
mmap xz                 0xa6bda10000  P unreadable P unreadable
mmap x                  0xa5cdb0e000  P readable   P readable  
mmap nrx                0xa63934d000  P readable   P readable  
mmap nwx                0xa6a06ec000  P readable   P readable  
mmap xnwx               0xa62c5e9000  P readable   P readable  
main                    0xa3c41e5430  P readable   P unreadable
libc                    0xa620807be0  P readable   P unreadable