GNU bug report logs - #41242
Port feature/native-comp to Windows

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Message #266 received at 41242 <at> debbugs.gnu.org (full text, mbox):

From: Nicolas Bértolo <nicolasbertolo <at> gmail.com>
To: Andrea Corallo <akrl <at> sdf.org>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 41242 <at> debbugs.gnu.org
Subject: Re: bug#41242: Port feature/native-comp to Windows
Date: Sat, 23 May 2020 12:26:56 -0300

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 > I don't think would fly: You are not garanteed to be able to obtain the
> same mmaped address anyway and we cannot go for a solution that does not
> support ASLR.  In general to be portable it cannot rely on assumptions
> or low level tricks.  I think these are (at least part of) the reasons
> why we moved away from unexec.

AFAIU ASLR is disabled already, at least in Windows.
> Is not that simple, loading eln is mutating the environment with side
> effects, function definition is just a part of that.

I know, but linking against a static .eln would just make the symbols
available,
not anything else. The mutation of the environment would happen when loading
the dump.

> Even more important we must support subsequent dumps.

You are right. I hadn't considered this.

Nicolas

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