From: Yao Qi <qiyaoltc@gmail.com>
To: Joel Brobecker <brobecker@adacore.com>
Cc: "gdb-patches@sourceware.org" <gdb-patches@sourceware.org>
Subject: Re: [RFC/RFA] Add support for the --readnever command-line option (DWARF only)
Date: Tue, 12 Jul 2016 14:27:00 -0000 [thread overview]
Message-ID: <CAH=s-PMEfPZKPEUPJyGe8skZYE-Th5AP_SSGwz0VSkmfb_Op0Q@mail.gmail.com> (raw)
In-Reply-To: <1467838463-15786-1-git-send-email-brobecker@adacore.com>
Hi Joel,
On Wed, Jul 6, 2016 at 9:54 PM, Joel Brobecker <brobecker@adacore.com> wrote:
> Hello,
>
> One of our customers asked us about this option, which they could
> see as being available in the version of GDB shipped by RedHat but
> not in the version that AdaCore supports.
>
> The purpose of this option is to turn the load of debugging information
> off. The implementation proposed here is mostly a copy of the patch
> distributed with RedHat Fedora, and looking at the patch itself and
> the history, I can see some reasons why it was never submitted:
Andrew Cagney posted the patch
https://www.sourceware.org/ml/gdb/2004-11/msg00216.html
> - The patch appears to have been introduced as a workaround, at
> least initially;
> - The patch is far from perfect, as it simply shunts the load of
> DWARF debugging information, without really worrying about the
> other debug format.
> - Who really does non-symbolic debugging anyways?
The reason, IMO, it was posted is that people want GDB avoid reading
debug info and efficiently dump stack backtrace. I think Red Hat people
must know why Fedora is shipping this patch.
I don't object to this approach.
--
Yao (齐尧)
next prev parent reply other threads:[~2016-07-12 14:27 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-06 20:54 Joel Brobecker
2016-07-12 14:27 ` Yao Qi [this message]
2016-10-04 18:07 ` Pedro Alves
2017-11-23 0:54 ` [PATCH v2] " Sergio Durigan Junior
2017-11-23 12:09 ` Pedro Alves
2017-11-23 17:21 ` Sergio Durigan Junior
2017-11-23 17:29 ` Pedro Alves
2017-11-24 4:54 ` Sergio Durigan Junior
2017-11-24 13:18 ` Pedro Alves
2017-11-24 20:27 ` Sergio Durigan Junior
2017-11-27 19:13 ` Pedro Alves
2017-11-29 0:59 ` Sergio Durigan Junior
2017-11-29 12:23 ` Pedro Alves
2017-11-23 15:59 ` Eli Zaretskii
2017-11-23 19:36 ` Sergio Durigan Junior
2016-10-04 18:06 ` [RFC/RFA] " Pedro Alves
2017-11-24 23:01 ` [PATCH v2] Add support for the --readnever command-line option Sergio Durigan Junior
2017-11-25 7:33 ` Eli Zaretskii
2017-11-25 16:41 ` Sergio Durigan Junior
2017-11-25 17:16 ` Eli Zaretskii
2017-11-29 1:21 ` [PATCH v3] Add support for the readnever concept Sergio Durigan Junior
2017-11-29 3:39 ` Eli Zaretskii
2017-11-29 12:25 ` Pedro Alves
2017-11-29 18:43 ` Sergio Durigan Junior
2017-11-29 21:45 ` [PATCH] Make 'symbol-file' not care about the position of command line arguments Sergio Durigan Junior
2017-11-29 22:26 ` Pedro Alves
2017-11-29 22:42 ` Sergio Durigan Junior
2017-11-29 23:15 ` Pedro Alves
2017-11-30 0:08 ` Sergio Durigan Junior
2017-11-30 0:34 ` Pedro Alves
2017-11-30 4:07 ` Sergio Durigan Junior
2017-11-30 4:25 ` [PATCH v2] Make '{add-,}symbol-file' " Sergio Durigan Junior
2017-11-30 10:57 ` Pedro Alves
2017-11-30 12:38 ` Sergio Durigan Junior
2017-11-30 12:49 ` Pedro Alves
2017-11-30 13:06 ` Sergio Durigan Junior
2017-11-30 13:33 ` [PATCH v3] " Sergio Durigan Junior
2017-11-30 15:01 ` Pedro Alves
2017-11-30 17:26 ` Sergio Durigan Junior
2017-11-30 17:37 ` Pedro Alves
2017-11-30 17:43 ` Sergio Durigan Junior
2017-11-30 17:50 ` Pedro Alves
2017-11-30 20:00 ` [PATCH v4] " Sergio Durigan Junior
2017-12-01 12:11 ` Pedro Alves
2017-12-01 17:41 ` Sergio Durigan Junior
2017-12-01 21:45 ` Pedro Alves
2017-12-01 22:02 ` Sergio Durigan Junior
2017-11-30 0:25 ` [PATCH v4] Add support for the readnever concept Sergio Durigan Junior
2017-11-30 11:53 ` Pedro Alves
2017-12-01 4:35 ` Sergio Durigan Junior
2017-12-01 12:43 ` Pedro Alves
2017-12-01 17:19 ` Tom Tromey
2017-12-01 17:21 ` Sergio Durigan Junior
2017-12-01 20:00 ` Pedro Alves
2017-12-01 22:16 ` [PATCH v5] " Sergio Durigan Junior
2017-12-01 23:19 ` Pedro Alves
2017-12-02 2:31 ` Sergio Durigan Junior
2017-12-02 8:21 ` Eli Zaretskii
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