This is the mail archive of the
binutils@sourceware.org
mailing list for the binutils project.
Re: RFC: Add SHT_GNU_PHDRS
- From: "Jan Beulich" <JBeulich at suse dot com>
- To: "Florian Weimer" <fweimer at redhat dot com>
- Cc: "H.J. Lu" <hjl dot tools at gmail dot com>,<binutils at sourceware dot org>, <gnu-gabi at sourceware dot org>
- Date: Thu, 27 Sep 2018 00:49:12 -0600
- Subject: Re: RFC: Add SHT_GNU_PHDRS
- References: <CAMe9rOoqcxZxPKgJn1JwG+ux4YRVbfWQBR=d9BOR3cfQgRn9QA@mail.gmail.com><CAMe9rOoqcxZxPKgJn1JwG+ux4YRVbfWQBR=d9BOR3cfQgRn9QA@mail.gmail.com>à <87tvmbv8hp.fsf@oldenburg.str.redhat.com>
>>> 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).
Jan