From: Pedro Alves <palves@redhat.com>
To: Joel Brobecker <brobecker@adacore.com>
Cc: gdb-patches@sourceware.org, Jerome Guitton <guitton@adacore.com>
Subject: Re: [RFA/commit] Memory leak in on reading frame register
Date: Tue, 19 May 2015 10:04:00 -0000 [thread overview]
Message-ID: <555B0AC2.7080506@redhat.com> (raw)
In-Reply-To: <20150515155823.GL4767@adacore.com>
On 05/15/2015 04:58 PM, Joel Brobecker wrote:
>> > Thanks. I wonder whether the leaks come from constructing the
>> > current frame at each stop, instead of from evaluating
>> > breakpoint conditions. E.g.., if we do a "step" over:
>> >
>> > while (1);
>> >
>> > ... are we constantly leaking values until the user does
>> > ctrl-c?
>> >
>> > That would suggest to me to that we should be doing
>> > value_mark/value_free_to_mark around each
>> > handle_inferior_event.
> A very accurate guess, as it turns out. Condition evaluation
> is not the problem, here, but indeed, we a couple of calls to
> handle_inferior in addition to each call to
> bpstat_check_breakpoint_conditions. The former are responsible
> for the leak.
>
> How about the attached patch?
Looks good to me.
Thanks,
Pedro Alves
next prev parent reply other threads:[~2015-05-19 10:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-08 15:55 Joel Brobecker
2015-05-11 10:55 ` Pedro Alves
2015-05-11 20:53 ` Joel Brobecker
2015-05-12 9:43 ` Pedro Alves
2015-05-15 15:58 ` Joel Brobecker
2015-05-15 22:35 ` Doug Evans
2015-05-16 0:03 ` Joel Brobecker
2015-05-19 10:04 ` Pedro Alves [this message]
2015-05-20 7:39 ` pushed: " Joel Brobecker
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