From: Alexander Monakov <amonakov@ispras.ru>
To: Stefan Seefeld <stefan_seefeld@mentor.com>
Cc: lttng-dev@lists.lttng.org
Subject: Re: [PATCH lttng-ust] Add trace support for calloc and realloc.
Date: Thu, 1 Aug 2013 21:19:56 +0400 (MSK) [thread overview]
Message-ID: <alpine.LNX.2.00.1308012115300.9574__1156.65994021601$1375377673$gmane$org@monopod.intra.ispras.ru> (raw)
In-Reply-To: <alpine.LNX.2.00.1308012045570.9574@monopod.intra.ispras.ru>
On Thu, 1 Aug 2013, Alexander Monakov wrote:
> Okay, one more hack :)
>
> Recurse *once* by calling dlsym inside your calloc, and terminate recursion by
> obtaining memory from mmap.
Correction: since there's no guarantee that the very first calloc invocation
will happen from inside dlsym, you have to recurse twice, not once, to be sure
that there are two dlsyms on the stack.
next prev parent reply other threads:[~2013-08-01 17:20 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <51F3585E.20705@mentor.com>
2013-07-29 23:19 ` [PATCH lttng-ust] Add trace support for calloc and realloc Jérémie Galarneau
[not found] ` <CA+jJMxtn-DsBjzunLNE3_7KS4RCqAFLJfPL7fVkH3z62r0jPxw@mail.gmail.com>
2013-07-30 21:12 ` Stefan Seefeld
[not found] ` <51F82C45.6020502@mentor.com>
2013-07-31 2:14 ` Jérémie Galarneau
[not found] ` <CA+jJMxtMH5Ajgoszg8pO8dq-KsrTg9NwS2YcYOz=FbLr0ijaEQ@mail.gmail.com>
2013-08-01 16:26 ` Alexander Monakov
[not found] ` <alpine.LNX.2.00.1308012013380.9574@monopod.intra.ispras.ru>
2013-08-01 16:32 ` Stefan Seefeld
[not found] ` <51FA8DAE.3070409@mentor.com>
2013-08-01 17:08 ` Alexander Monakov
[not found] ` <alpine.LNX.2.00.1308012045570.9574@monopod.intra.ispras.ru>
2013-08-01 17:19 ` Alexander Monakov [this message]
[not found] ` <alpine.LNX.2.00.1308012115300.9574@monopod.intra.ispras.ru>
2013-08-01 17:28 ` Stefan Seefeld
[not found] ` <51FA9AD8.4010502@mentor.com>
2013-08-01 17:57 ` Alexander Monakov
[not found] ` <CABtfrpDg_NOi+yP5GABmjBv6G9Zj+rvTwc1OdQ1s_9DM7uzeZg@mail.gmail.com>
2013-08-03 1:18 ` Mathieu Desnoyers
[not found] ` <20130803011841.GE9033@Krystal>
2013-08-05 14:57 ` Stefan Seefeld
2013-08-05 15:29 ` Stefan Seefeld
[not found] ` <51FFBD46.5030105@mentor.com>
2013-08-07 1:42 ` Mathieu Desnoyers
[not found] ` <20130807014241.GH19407@Krystal>
2013-08-07 13:37 ` Stefan Seefeld
[not found] ` <52024D88.8090409@seefeld.name>
2013-08-07 13:57 ` Mathieu Desnoyers
[not found] ` <20130807135757.GA32387@Krystal>
2013-08-07 14:01 ` Stefan Seefeld
[not found] ` <51FFC4DB.7080905@mentor.com>
2013-08-07 14:47 ` Stefan Seefeld
[not found] ` <52025E03.7090201@mentor.com>
2013-08-07 15:50 ` Mathieu Desnoyers
[not found] ` <20130807155057.GB1035@Krystal>
2013-08-07 15:56 ` Stefan Seefeld
2013-08-07 17:07 ` Stefan Seefeld
[not found] ` <52027EE6.60704@mentor.com>
2013-08-07 18:35 ` Mathieu Desnoyers
2013-07-27 5:19 Stefan Seefeld
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