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From: Daniel Walker via Libc-alpha <libc-alpha@sourceware.org>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: Florian Weimer <fweimer@redhat.com>,
	Carlos O'Donell via Libc-alpha <libc-alpha@sourceware.org>,
	Pedro Alves <palves@redhat.com>,
	Conan C Huang <conhuang@cisco.com>,
	"Metzger, Markus T" <markus.t.metzger@intel.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

  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 via Libc-alpha
2020-06-26 21:05 ` Florian Weimer via Libc-alpha
2020-06-26 21:19   ` Carlos O'Donell via Libc-alpha
2020-06-26 21:24     ` Florian Weimer via Libc-alpha
2020-06-26 21:44       ` Carlos O'Donell via Libc-alpha
2020-06-27  9:34         ` Florian Weimer
2020-06-28 12:34           ` Carlos O'Donell via Libc-alpha
2020-06-29  8:51             ` Florian Weimer via Libc-alpha
2021-07-23 23:38               ` H.J. Lu via Libc-alpha
2021-07-27 17:39                 ` Daniel Walker via Libc-alpha
2021-07-27 18:14                   ` H.J. Lu via Libc-alpha
2021-07-28 15:15                     ` H.J. Lu via Libc-alpha
2021-07-28 15:44                       ` Daniel Walker via Libc-alpha
2021-07-28 17:14                         ` H.J. Lu via Libc-alpha
2021-07-28 19:02                           ` Daniel Walker via Libc-alpha
2021-07-28 20:04                             ` H.J. Lu via Libc-alpha
2021-08-02  4:24                               ` RFC: Add DT_GNU_DEBUG H.J. Lu via Libc-alpha
2021-08-02  5:22                                 ` Florian Weimer via Libc-alpha
2021-08-02 13:10                                   ` H.J. Lu via Libc-alpha
2021-08-03 16:39                                     ` Daniel Walker via Libc-alpha [this message]
2021-08-03 18:08                                       ` H.J. Lu via Libc-alpha
2021-08-03 20:04                                         ` Daniel Walker via Libc-alpha
2021-08-03 18:12                                       ` Florian Weimer via Libc-alpha
2021-08-03 18:23                                         ` H.J. Lu via Libc-alpha
2021-08-03 20:13                                           ` Florian Weimer via Libc-alpha
2021-08-03 20:21                                             ` H.J. Lu via Libc-alpha
2021-08-09 14:32                                               ` RFC: 2 choices of DT_XXX for dlmopen H.J. Lu via Libc-alpha
2021-08-09 17:16                                                 ` Daniel Walker via Libc-alpha
2021-08-15  0:33                                                   ` [PATCH] Extend struct r_debug to support multiple namespaces H.J. Lu via Libc-alpha
2021-08-16 16:20                                                     ` Daniel Walker via Libc-alpha
2021-08-17  1:07                                                       ` H.J. Lu via Libc-alpha
2020-06-27  1:21       ` [RFC PATCH 3/3] add r_debug multiple namespaces support Daniel Walker (danielwa) via Libc-alpha

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