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Date: Wed, 13 Feb 2013 13:23:00 -0000
Message-ID: <CAJfOKBxzYsaBsOMNK=4qF6RpRBuWZq4+K95sOX1iundrdsDObg@mail.gmail.com>
Subject: Re: Lot of FAILs with gdb.base/structs.exp
From: Franck Jullien <franck.jullien@gmail.com>
To: Pedro Alves <palves@redhat.com>
Cc: Sergio Durigan Junior <sergiodj@redhat.com>, gdb@sourceware.org
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2013/2/13 Pedro Alves <palves@redhat.com>:
> On 02/13/2013 10:18 AM, Franck Jullien wrote:
>> Do you have any advice on the investigation method you'd use with a
>> program exiting like this ?:
>
> ...
>
>> (gdb) PASS: gdb.base/structs.exp: p chartest
>> ptype foo1
>> type = struct struct1 {
>>     tc a;
>> }
>> (gdb) PASS: gdb.base/structs.exp: ptype foo1; structs-tc
>> p/c fun1()
>> [Inferior 1 (process 42000) exited with code 0400]
>> The program being debugged exited while in a function called from GDB.
>
> So you have some kind of bug in your inferior function call
> implementation.  For some reason gdb doesn't regain control
> after the call ends.  At this point I'd just switch to reproducing
> the problem manually while debugging gdb, and try to figure
> things out.
> Did this work with 7.2?  That should make things easier,
> as you have a basis to compare.  Maybe something to do
> with the fact that we now default to putting the call
> dummy on stack, while it would go on entry before.
>
> --
> Pedro Alves
>

Ok, thank you guys. I'd say it works with GDB 7.2 but I have to double check.
I'll see what I can find and will keep you informed.

Franck.