==== 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                  0x8c1831aeea0  P readable   P unreadable
mmap xz                0x8c1a3ee8000  P unreadable P unreadable
mmap x                 0x8c13e962000  P readable   P readable  
mmap nrx               0x8c18d59d000  P readable   P readable  
mmap nwx               0x8c17d02c000  P readable   P readable  
mmap xnwx              0x8c18fd75000  P readable   P readable  
main                   0x8bf0dbfb420  P readable   P unreadable
libc                   0x8c16e098a80  P readable   P unreadable