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Re: Thread names in gdb7.7(using info threads command)
- From: Pedro Alves <palves at redhat dot com>
- To: Sreejith M M <sreejith dot mm at gmail dot com>
- Cc: gdb at sourceware dot org
- Date: Tue, 19 Aug 2014 16:50:42 +0100
- Subject: Re: Thread names in gdb7.7(using info threads command)
- Authentication-results: sourceware.org; auth=none
- References: <CAEDT3uRs2+mwV3_+2FNLchgNqQiLoip4x7_U4u6sRzSc=Seb0Q at mail dot gmail dot com> <CAEDT3uTC30arGwOJhqw-kL1T1sK=A5mzf-3hjnc6r6o6QfUuNg at mail dot gmail dot com> <53F37099 dot 9070307 at redhat dot com>
On 08/19/2014 04:43 PM, Pedro Alves wrote:
> On 07/17/2014 06:07 PM, Sreejith M M wrote:
>
>> I am trying to see thread names in gdb. Thread names are defined with
>>
>> prctl (PR_SET_NAME, "Mythread2", 0, 0, 0); //MyThread2 is my thread name
>>
>
> ...
>
>> the thread name after the application generates a core dump when I
>> load core file using core-file command.
>
>> I would like to understand how I can see the thread names when from
>> the core file generated by the application
>
> Unfortunately, I don't think this information is stored anywhere in the
> core dump.
Or maybe it is, in NT_PRPSINFO / prpsinfo->pr_fname ? In that case,
all we'd need is a gdb patch to make use of it. See the
target_thread_name target method. We'd need an implementation in
corelow.c.
--
Thanks,
Pedro Alves