==== 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                  0x60618e56120  P readable   P unreadable
mmap xz                0x605f2ab2000  P unreadable P unreadable
mmap x                 0x6060ae3a000  P readable   P readable  
mmap nrx               0x605715a4000  P readable   P readable  
mmap nwx               0x60624477000  P readable   P readable  
mmap xnwx              0x6061f683000  P readable   P readable  
main                   0x6034fa93420  P readable   P unreadable
libc                   0x60552b56fd0  P readable   P unreadable