From: Etienne Buira via Gdb <gdb@sourceware.org>
To: Martin Simmons <qqxnjvamvxwx@dyxyl.com>
Cc: Etienne Buira <etienne.buira.lists@free.fr>, gdb@sourceware.org
Subject: Re: Feature suggestion: location conditioned watchpoint
Date: Thu, 24 Oct 2024 10:57:20 +0200 [thread overview]
Message-ID: <ZxoL8KiYhOFeCeKi@Z926fQmE5jqhFMgp6> (raw)
In-Reply-To: <jea5f02ptf.fsf@localhost>
On Sat, Oct 19, 2024 at 02:19:08PM +0100, Martin Simmons wrote:
> >>>>> On Sat, 19 Oct 2024 09:35:40 +0200, Etienne Buira via Gdb said:
> >
> > I tried to debug memory corruption issue with gdb, using watchpoints,
> > and as the bug appeared rarely, i wish i could state "break on this
> > memloc write, if it is not this known good location".
> >
> > I searched the docs for conditions and convenience variables, but could
> > not find anything useful.
> >
> > Ideally, i would like to issue a command like:
> > condition WPNUM !(location path/to/myfile.c:42)
> >
> > If there is already a way to do this, i'd like to hear about it, or
> > please consider it as feature suggestion.
>
> You could use a condition like:
>
> $pc != <some_address>
>
> where <some_address> is the address of the instruction that changes the
> location.
>
> __Martin
Hi Martin, thank you, sorry to have missed such an obvious way.
Regards.
prev parent reply other threads:[~2024-10-24 8:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-19 7:35 Etienne Buira via Gdb
2024-10-19 13:19 ` Martin Simmons
2024-10-24 8:57 ` Etienne Buira via Gdb [this message]
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