tion for details as to how to read the
section header(s)).  Note that 'shdr_num' may be 0, indicating no symbols,
even if bit 5 in the flags word is set.<P>

If bit 6 in the multiboot_info.flags word is set, then the 'mmap_*' fields
are valid, and indicate the address and length of a buffer containing a
memory map of the machine provided by the BIOS.  'mmap_addr' is the address,
and 'mmap_length' is the total size of the buffer.  The buffer consists of
one or more of the following size/structure pairs ('siz