From: Florian Weimer <fweimer@redhat.com>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: Suprateeka R Hegde <hegdesmailbox@gmail.com>,
Carlos O'Donell <carlos@redhat.com>,
gnu-gabi@sourceware.org
Subject: Re: RFC: ABI support for special memory area
Date: Sun, 01 Jan 2017 00:00:00 -0000 [thread overview]
Message-ID: <db640770-65e7-6dc3-e9bc-85d86bc50387@redhat.com> (raw)
In-Reply-To: <CAMe9rOoJX8C9Orufdis3ifJL8MuZc=qErBFLeOnfWOyMZHKD3A@mail.gmail.com>
On 03/16/2017 07:22 PM, H.J. Lu wrote:
>> If the latter, why can't you use the existing ELF constructor mechanism for
>> this? As far as I understand it, the call to __gnu_mbind_setup would just
>> happen before the constructor calls.
>
> That is correct. The issue is to access the ELF segment header for each
> loaded object only once. There is no good way to get this info from
> constructor.
I think you can get the data in a pretty straightforward manner using
dlinfo.
I expect that libraries such as bdwgc might want to use the
__gnu_mbind_setup callback as well, just to register freshly loaded
shared objects and their data sections. Can we make this work for
multiple users?
Thanks,
Florian
next prev parent reply other threads:[~2017-03-20 14:57 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-01 0:00 H.J. Lu
2017-01-01 0:00 ` Carlos O'Donell
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Carlos O'Donell
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Florian Weimer
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Suprateeka R Hegde
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Suprateeka R Hegde
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Carlos O'Donell
2017-01-01 0:00 ` Suprateeka R Hegde
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Suprateeka R Hegde
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Florian Weimer
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Florian Weimer [this message]
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Florian Weimer
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Suprateeka R Hegde
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Suprateeka R Hegde
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Suprateeka R Hegde
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Suprateeka R Hegde
2017-01-01 0:00 ` H.J. Lu
2017-01-01 0:00 ` Suprateeka R Hegde
2017-01-01 0:00 ` H.J. Lu
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