==== 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                  0xe5f9bf80c40  P readable   P unreadable
mmap xz                0xe5fef49c000  P unreadable P unreadable
mmap x                 0xe5f63d4d000  P readable   P readable  
mmap nrx               0xe5fe66b7000  P readable   P readable  
mmap nwx               0xe600693c000  P readable   P readable  
mmap xnwx              0xe5fa12c1000  P readable   P readable  
main                   0xe5d3f6a8410  P readable   P unreadable
libc                   0xe5fe0411970  P readable   P unreadable