==== 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                  0x65c9f3a8d10  P readable   P unreadable
mmap xz                0x65cc8172000  P unreadable P unreadable
mmap x                 0x65c6f43c000  P readable   P readable  
mmap nrx               0x65ce02c9000  P readable   P readable  
mmap nwx               0x65c59672000  P readable   P readable  
mmap xnwx              0x65d2f2d0000  P readable   P readable  
main                   0x65a38f1a410  P readable   P unreadable
libc                   0x65c8dc020c0  P readable   P unreadable