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Message-ID: <20130629164815.GN29800@brightrain.aerifal.cx>
Date: Sat, 29 Jun 2013 12:48:16 -0400
From: Rich Felker <dalias@...ifal.cx>
To: musl@...ts.openwall.com
Subject: Re: dlinfo
On Sat, Jun 29, 2013 at 05:43:12PM +0100, Justin Cormack wrote:
> On 29 Jun 2013 17:39, "Rich Felker" <dalias@...ifal.cx> wrote:
> >
> > On Sat, Jun 29, 2013 at 05:34:46PM +0100, Justin Cormack wrote:
> > > > As a quick workaround then:
> > > >
> > > > -D'dlinfo(x,y,z)=(*(struct link_map *)(z) = (void *)(x))'
> > > >
> > > > Kidding aside, I wouldn't actually recommend this, since you'd be
> > > > encoding implementation internals (the fact that the dso handle is
> > > > actually the link_map pointer) into the application, which could badly
> > > > break if the implementation is ever changed. I'll just go ahead and
> > > > add this limited version of dlinfo; look for it soon and ping me if
> > > > you don't see it.
> > >
> > > Thanks!
> >
> > One more question: does RTLD_SELF need to work? That's a lot harder
> > and uglier, as it requires extra asm for each arch...
> >
> > Rich
>
> I don't think so.
OK. It's implemented but untested. Take a look at current git and see
if it meets your needs.
Rich
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