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From: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
To: Paul E Murphy <murphyp@linux.ibm.com>,
	Adhemerval Zanella <adhemerval.zanella@linaro.org>,
	Florian Weimer <fweimer@redhat.com>,
	Adhemerval Zanella via Libc-alpha <libc-alpha@sourceware.org>
Subject: Re: [PATCH] powerpc: Remove backtrace implementation
Date: Thu, 15 Apr 2021 11:42:25 -0300	[thread overview]
Message-ID: <87y2djzk1a.fsf@linux.ibm.com> (raw)
In-Reply-To: <57f96ee4-7586-de09-2234-ad09c347be84@linux.ibm.com>

Paul E Murphy via Libc-alpha <libc-alpha@sourceware.org> writes:

> Ping?  This seems like a beneficial change.  Using the unwind
> information makes for a much more robust backtrace with other languages
> which support C bindings but do not use the same ABI (specifically
> calling to and from go code in C).
>
> Should we instead turn the existing ppc backtrace into a compat symbol?
> This seems like it would address Tulio's issue with older binaries.

If we do this, we'll never be able to remove the old implementation, which was
Adhemerval's goal.
I particularly agree that duplicated code should be removed and I believe it
would be helpful if libgcc had the fallback code.

-- 
Tulio Magno

  reply	other threads:[~2021-04-15 14:42 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-12 17:09 Adhemerval Zanella
2021-02-12 17:21 ` Florian Weimer
2021-02-12 17:25   ` Adhemerval Zanella
2021-02-22 22:16     ` Tulio Magno Quites Machado Filho
2021-02-23  9:52       ` Florian Weimer
2021-02-23 11:56       ` Adhemerval Zanella
2021-02-23 12:28         ` Florian Weimer
2021-02-23 12:43           ` Adhemerval Zanella
2021-02-26 17:39             ` Raoni Fassina Firmino
2021-04-14 21:37               ` Paul E Murphy
2021-04-15 14:42                 ` Tulio Magno Quites Machado Filho [this message]
2021-04-15 20:44                   ` Adhemerval Zanella
2021-04-27 15:09                     ` Florian Weimer
2021-10-14 20:24                   ` Raphael M Zinsly
2021-10-14 21:39                     ` Tulio Magno Quites Machado Filho
2021-10-20 13:39                       ` Adhemerval Zanella
2021-02-26 17:19 ` Raoni Fassina Firmino

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