Re: new ELF marking

From	Carlos O'Donell <carlos@redhat.com>
Newsgroups	linux.kernel
Subject	Re: new ELF marking
Date	2017-08-10 00:40 +0200
Message-ID	<ucHNT-57N-1@gated-at.bofh.it> (permalink)
References	(3 earlier) <ucEdj-2Fa-3@gated-at.bofh.it> <ucEmZ-2It-3@gated-at.bofh.it> <ucEwG-30X-23@gated-at.bofh.it> <ucFVN-3Rs-33@gated-at.bofh.it> <ucGIa-4oh-21@gated-at.bofh.it>
Organization	Red Hat

Show all headers | View raw

On 08/09/2017 05:24 PM, H.J. Lu wrote:
> On Wed, Aug 9, 2017 at 1:32 PM, Kostya Serebryany <kcc@google.com> wrote:
>>>>
>>>> I believe this would only be an output bit, but I'm not sure how it
>>>> would be wired into binutils. Kostya, do you know any details about
>>>> how AddressSanitizer might be able to create this ELF note?
>>
>> I don't, hopefully H.J's suggestion works.
>> Will it be backward compatible?
>> (i.e. will the binaries built in the new way work on the old kernels?)
>>
>>
> 
> Yes,  it is backward compatible by design.

... only as long as the semantics implied by the flags are hints that
can be ignored.

-- 
Cheers,
Carlos.

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

new ELF marking Kees Cook <keescook@google.com> - 2017-08-09 19:10 +0200
  Re: new ELF marking "H.J. Lu" <hjl.tools@gmail.com> - 2017-08-09 19:20 +0200
    Re: new ELF marking Kees Cook <keescook@google.com> - 2017-08-09 20:30 +0200
      Re: new ELF marking "H.J. Lu" <hjl.tools@gmail.com> - 2017-08-09 20:50 +0200
        Re: new ELF marking Kees Cook <keescook@google.com> - 2017-08-09 21:00 +0200
          Re: new ELF marking "H.J. Lu" <hjl.tools@gmail.com> - 2017-08-09 21:10 +0200
            Re: new ELF marking Kostya Serebryany <kcc@google.com> - 2017-08-09 22:40 +0200
              Re: new ELF marking "H.J. Lu" <hjl.tools@gmail.com> - 2017-08-09 23:30 +0200
                Re: new ELF marking Carlos O'Donell <carlos@redhat.com> - 2017-08-10 00:40 +0200

csiph-web