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Date: Wed, 21 Feb 2024 09:27:44 +0100
To: cygwin AT cygwin DOT com
Subject: Re: binutils >= 2.41 makes .rsrc section read-only
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From: Corinna Vinschen via Cygwin <cygwin AT cygwin DOT com>
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Cc: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
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On Feb 20 21:39, Jeremy Drake via Cygwin wrote:
> On Tue, 20 Feb 2024, Corinna Vinschen wrote:
> 
> > On Feb 19 21:41, Jeremy Drake via Cygwin wrote:
> > > 1) is there actually a good reason that _cygheap_start is in the .rsrc and
> > > not the .cygheap section?
> >
> > As you know we got rid of this way to define the cygheap, but
> > _cygheap_start was just defined this way so it's the address marking
> > the start address of the cygheap.
> >
> > It was just the way it was.  It's probably just as well to move
> >
> >   _SYM (_cygheap_start) = .;
> >
> > to the begining of the .cygheap section.  Did you try?
> 
> I hadn't; I have now and it seems to work fine.

I'm glad to read that.

> I basically assumed there
> was some reason I wasn't aware of for putting it in the .rsrc section, so
> focused more on trying to figure out how to get binutils to clear the
> readonly section flag.  When I couldn't figure that out, I figured I'd ask
> here both about the "institutional knowledge" if there was a known reason
> why it needed to be in the .rsrc section and because I figured some people
> knowledgable in binutils pe stuff might also read this and be able to give
> me another idea on making the .rsrc section read/write again if it did
> need to stay in that section.

I think there was some historical reason to put in .rsrc, or rather,
into the section preceeding .cygheap, but I don't remember what it was.
Might have had something to do with stripping the cygwin DLL or some
such...


Corinna

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