GDB command for loading kernel module symbols from sudo -i chroot /guest/gentoo /usr/bin/gdb /usr/src/linux/vmlinux

lx-add-module-symbols

define lx-add-module-symbols
        set $current = modules.next
        set $offset =  ((int)&((struct module *)0).list)
 
    while($current.next != modules.next)
		eval "python from subprocess import check_output; info = check_output(\"modinfo -k %s -n %s\", shell=True).strip().decode(\"ascii\"); gdb.execute('add-symbol-file ' + info + ' %p' )\n", \
		        init_uts_ns.name.release, \
		        ((struct module *) (((void *) ($current)) - $offset ) )->name ,\
		        ((struct module *) (((void *) ($current)) - $offset ) )->module_core
                set $current = $current.next 
        end
end