==== 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                  0x64195d95b40  P readable   P unreadable
mmap xz                0x641cd6a5000  P unreadable P unreadable
mmap x                 0x641f8007000  P readable   P readable  
mmap nrx               0x6423a92d000  P readable   P readable  
mmap nwx               0x64251212000  P readable   P readable  
mmap xnwx              0x641e9c7c000  P readable   P readable  
main                   0x63f61362420  P readable   P unreadable
libc                   0x641c3ae2510  P readable   P unreadable