From: Pedro Alves <pedro@codesourcery.com>
To: gdb-patches@sourceware.org
Cc: Michael Snyder <msnyder@vmware.com>, Eli Zaretskii <eliz@gnu.org>,
"teawater@gmail.com" <teawater@gmail.com>
Subject: Re: [Doc]tracepoint: change *$esp@300 to *(unsigned char *)$esp@300
Date: Tue, 24 Aug 2010 18:37:00 -0000 [thread overview]
Message-ID: <201008241937.43317.pedro@codesourcery.com> (raw)
In-Reply-To: <4C740A55.8090804@vmware.com>
On Tuesday 24 August 2010 19:07:17, Michael Snyder wrote:
> I think the reason it doesn't work now is that it's typed as a void pointer.
>
> (gdb) pt $esp
> type = void *
>
> Probably it used to be typed as a char * or something.
Dereferencing void* used to "work" in agent expressions,
but since it is forbidden in normal expressions,
(gdb) p *$sp
Attempt to dereference a generic pointer.
the agent expression code was fixed to behave the same:
2010-02-11 Pedro Alves <pedro@codesourcery.com>
* ax-gdb.c (gen_deref): Don't allow dereferencing void pointers.
Let's just fix the docs.
--
Pedro Alves
next prev parent reply other threads:[~2010-08-24 18:37 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-24 2:10 Hui Zhu
2010-08-24 3:06 ` Eli Zaretskii
2010-08-24 3:30 ` Hui Zhu
2010-08-24 17:08 ` Eli Zaretskii
2010-08-24 17:35 ` Michael Snyder
2010-08-24 18:00 ` Eli Zaretskii
2010-08-24 18:07 ` Michael Snyder
2010-08-24 18:37 ` Pedro Alves [this message]
2010-08-24 17:33 ` Michael Snyder
2010-08-24 17:58 ` Eli Zaretskii
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