From: Stan Shebs <stanshebs@earthlink.net>
To: gdb-patches@sourceware.org
Subject: Re: "maint print arch" causing gdb crash
Date: Fri, 05 Oct 2012 22:05:00 -0000 [thread overview]
Message-ID: <506F599E.5080903@earthlink.net> (raw)
In-Reply-To: <506EEAEC.2010604@codesourcery.com>
On 10/5/12 7:13 AM, ali_anwar wrote:
> Hi,
>
> 'gdbarch_dump' is in some cases passing a NULL pointer to 'sprintf'
> when printing 'gdbarch->stap_gdb_register_suffix' etc. Printing NULL
> pointers like this is undefined behavior. With glibc passing a NULL
> pointer just prints "(null)". With the MSVC libc, however, GDB crashes.
>
> Attached patch fixes this issue using the similar approach discussed
> in following scenario:
> http://sourceware.org/ml/gdb-patches/2011-10/msg00662.html
>
> There are some newly added variables due to which "maint print arch"
> command was causing gdb crash on whindows host. This patch takes care
> of them.
>
> OK?
Yes please, this is good!
Stan
stan@codesourcery.com
next prev parent reply other threads:[~2012-10-05 22:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-05 14:15 ali_anwar
2012-10-05 22:05 ` Stan Shebs [this message]
2012-10-07 9:07 ` Yao Qi
2012-10-08 11:47 ` ali_anwar
2012-10-08 13:12 ` Yao Qi
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