Re: JIT debugging (Attach and speed)

Yichao Yu
2016-03-22T16:23:17Z

On Tue, Mar 22, 2016 at 12:15 PM, Pedro Alves <palves@redhat.com> wrote:
> On 03/22/2016 03:46 PM, Pedro Alves wrote:

> I re-read the 2011 discussion, and it seems like we had an idea for a fix:

IIUC the proposed fix might cause regression in some cases?

>>
>> Do you know whether this happens with 7.11 and master, and if so,
>> would it be possible for you to git bisect the culprit?

This is 7.11 package from ArchLinux. I could try bi-secting although
apparently you are faster at pin-point the issue.

>
> Currently, jit_inferior_created_hook -> jit_inferior_init is only
> called when the inferior execs...
>
> Grepping around, I think that might have been
> the fix for PR gdb/13431 (03bef283c2d3):
> https://sourceware.org/ml/gdb-patches/2012-02/msg00023.html
> which removed the inferior_created (jit_inferior_created_observer).
>
> Adding an inferior_created observer back likely fixes the issue.

I'm happy to test patches.

>
> Thanks,
> Pedro Alves
>