From: Torbjorn SVENSSON <torbjorn.svensson@foss.st.com>
To: Pedro Alves <pedro@palves.net>, <gdb-patches@sourceware.org>
Subject: Re: [PATCH v4] gdb/arm: Stop unwinding on error, but do not assert
Date: Fri, 14 Oct 2022 13:47:41 +0200 [thread overview]
Message-ID: <645561c6-5fc1-7e5a-d03f-30008087b132@foss.st.com> (raw)
In-Reply-To: <6d3e2120-15bf-25e6-8914-8ec5b6e67976@palves.net>
On 2022-10-14 13:45, Pedro Alves wrote:
> On 2022-10-13 7:11 p.m., Torbjörn SVENSSON wrote:
>> When it's impossible to read the FPCCR and XPSR, the unwinding is
>> unpredictable as the it's not possible to determine the correct
>> frame size or padding.
>> The only sane thing to do in this condition is to stop the unwinding.
>>
>> Example session wihtout this patch:
>
> wihtout -> without
>
> Thank you, this version LGTM. This way, there's a better chance gdb can
> distinguish different "outermost" frames, e.g., for watchpoints on local vars,
> or for stepping from a "broken" frame, to another "broken" frame.
>
> I'll defer final approval to Luis.
>
> Reviewed-by: Pedro Alves <pedro@palves.net>
Thanks Pedro!
After this patch has landed, I will clean up the other SP hacks to use
the same solution to make it more clear what will happen.
next prev parent reply other threads:[~2022-10-14 11:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-13 18:11 Torbjörn SVENSSON
2022-10-14 11:45 ` Pedro Alves
2022-10-14 11:47 ` Torbjorn SVENSSON [this message]
2022-10-14 12:03 ` Luis Machado
2022-10-14 13:32 ` Torbjorn SVENSSON
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