From: Daniel Walker <danielwa@cisco.com>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: Florian Weimer <fweimer@redhat.com>,
"Metzger, Markus T" <markus.t.metzger@intel.com>,
"Carlos O'Donell via Libc-alpha" <libc-alpha@sourceware.org>,
Pedro Alves <palves@redhat.com>,
Conan C Huang <conhuang@cisco.com>,
Jeremy Stenglein <jstengle@cisco.com>,
"xe-linux-external(mailer list)" <xe-linux-external@cisco.com>
Subject: Re: RFC: Add DT_GNU_DEBUG
Date: Tue, 3 Aug 2021 09:39:17 -0700 [thread overview]
Message-ID: <20210803163917.GU1633923@zorba> (raw)
In-Reply-To: <CAMe9rOqDYcVg4ngo4qP_mVZp7WPtG9mjb6H0pR7osMLAOk7OGQ@mail.gmail.com>
On Mon, Aug 02, 2021 at 06:10:55AM -0700, H.J. Lu wrote:
> On Sun, Aug 1, 2021 at 10:22 PM Florian Weimer <fweimer@redhat.com> wrote:
> >
> > * H. J. Lu:
> >
> > > On Wed, Jul 28, 2021 at 1:04 PM H.J. Lu <hjl.tools@gmail.com> wrote:
> > >> > Do you want to drive this, or should I ? It looks like you know the people
> > >> > involved better than I do.
> > >> >
> > >>
> > >> https://groups.google.com/g/generic-abi/c/1ngxmSwrafc
> > >>
> > >
> > > I don't think the gABI community is interested in a new debug dynamic
> > > tag. I propose DT_GNU_DEBUG:
> > >
> > > #define DT_GNU_DEBUG 0x6ffffff8
> > >
> > > for the address of a pointer which will be filled by the dynamic
> > > linker. Linker should
> > > add the DT_GNU_DEBUG entry to executable's dynamic section.
> > >
> > > BTW, we have a choice. DT_GNU_DEBUG can be readonly or readonly after
> > > relocation, like DT_DEBUG.
> >
> > What about adding DT_DEBUG_SIZE, specifying the size of the data pointed
> > to by DT_DEBUG?
>
> It works if we don't need to support static executables.
>
> > Perhaps the gABI folks are interested in that, too? I think it's worth
> > a try. If the answer is “no”, we can still add DT_GNU_DEBUG_SIZE to the
> > GNU ABI.
>
> I did. I didn't get any feedback.
So no feedback equal "not interested" ?
Daniel
next prev parent reply other threads:[~2021-08-03 16:39 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-26 19:32 [RFC PATCH 3/3] add r_debug multiple namespaces support Daniel Walker
2020-06-26 21:05 ` Florian Weimer
2020-06-26 21:19 ` Carlos O'Donell
2020-06-26 21:24 ` Florian Weimer
2020-06-26 21:44 ` Carlos O'Donell
2020-06-27 9:34 ` Florian Weimer
2020-06-28 12:34 ` Carlos O'Donell
2020-06-29 8:51 ` Florian Weimer
2021-07-23 23:38 ` H.J. Lu
2021-07-27 17:39 ` Daniel Walker
2021-07-27 18:14 ` H.J. Lu
2021-07-28 15:15 ` H.J. Lu
2021-07-28 15:44 ` Daniel Walker
2021-07-28 17:14 ` H.J. Lu
2021-07-28 19:02 ` Daniel Walker
2021-07-28 20:04 ` H.J. Lu
2021-08-02 4:24 ` RFC: Add DT_GNU_DEBUG H.J. Lu
2021-08-02 5:22 ` Florian Weimer
2021-08-02 13:10 ` H.J. Lu
2021-08-03 16:39 ` Daniel Walker [this message]
2021-08-03 18:08 ` H.J. Lu
2021-08-03 20:04 ` Daniel Walker
2021-08-03 18:12 ` Florian Weimer
2021-08-03 18:23 ` H.J. Lu
2021-08-03 20:13 ` Florian Weimer
2021-08-03 20:21 ` H.J. Lu
2021-08-09 14:32 ` RFC: 2 choices of DT_XXX for dlmopen H.J. Lu
2021-08-09 17:16 ` Daniel Walker
2021-08-15 0:33 ` [PATCH] Extend struct r_debug to support multiple namespaces H.J. Lu
2021-08-16 16:20 ` Daniel Walker
2021-08-17 1:07 ` H.J. Lu
2020-06-27 1:21 ` [RFC PATCH 3/3] add r_debug multiple namespaces support Daniel Walker (danielwa)
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