From: Torbjorn SVENSSON <torbjorn.svensson@foss.st.com>
To: Luis Machado <luis.machado@arm.com>,
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 15:32:15 +0200 [thread overview]
Message-ID: <a9cc57c9-e699-9504-ec50-0e7cc4e4d9ed@foss.st.com> (raw)
In-Reply-To: <eff4abe8-8b17-1f1d-69c0-159b52d19b39@arm.com>
On 2022-10-14 14:03, Luis Machado wrote:
> On 10/14/22 12:45, 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>
>
> LGTM.
Pushed.
prev parent reply other threads:[~2022-10-14 13:32 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
2022-10-14 12:03 ` Luis Machado
2022-10-14 13:32 ` Torbjorn SVENSSON [this message]
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