RFC: Add SHT_GNU_PHDRS

[Florian Weimer]

* Jan Beulich:

>>>> On 27.09.18 at 07:01, <fweimer@redhat.com> wrote:
>> * H. J. Lu:
>> 
>>> I am proposing
>>>
>>> #define SHT_GNU_PHDRS  0x6ffffff4  /* Dummy section for program header */
>>>
>>> This is a special read-only SHF_ALLOC zero-size data section.  It is the
>>> first output section, which will force a data PT_LOAD segment with program
>>> header before the code-only PT_LOAD segment,
>> 
>> Is it actually a requirement in the ELF specification that all bits
>> loaded via segments are covered by sections as well?
>
> Hardly, because the presence of a section table isn't required
> in the first place in an executable (iirc).

I think so too, and that is why I don't understand this section hack is
needed.

Thanks,
Florian