  |	(present if flags[0] is set)
	+-------------------+
12	| boot_device	    |	(present if flags[1] is set)
	+-------------------+
16	| cmdline	    |	(present if flags[2] is set)
	+-------------------+
20	| mods_count	    |	(present if flags[3] is set)
24	| mods_addr	    |	(present if flags[3] is set)
	+-------------------+
28 - 40 | syms		    |   (present if flags[4] or flags[5] is set)
	+-------------------+
44	| mmap_length	    |	(present if flags[6] is set)
48	| mmap_addr	    |	(present if flags[6] is s