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Date: Sun, 10 Jun 2001 00:43:55 -0400
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin-developers AT sources DOT redhat DOT com
Subject: Re: process-startup headache.
Message-ID: <20010610004355.E29231@redhat.com>
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References: <000901c0ef4e$904cbe50$6e032bb7 AT BRAMSCHE> <018e01c0ef53$02e833f0$0200a8c0 AT lifelesswks> <002b01c0f0e9$07d17e70$0200a8c0 AT lifelesswks>
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In-Reply-To: <002b01c0f0e9$07d17e70$0200a8c0@lifelesswks>; from robert.collins@itdomain.com.au on Sat, Jun 09, 2001 at 11:35:20PM +1000

I haven't waded through my email but I assume that this probably
is quoted from the cygwin list since it seems to have shown up
here with no preceding messages.

Can I ask that when people decide to move a discussion here that they
provide enough context to understand what people are talking about?

For instance, the words "A similar-in-appearance problem is
occurring..." would be helped with something indicating what the
similarity was referring to.

cgf

On Sat, Jun 09, 2001 at 11:35:20PM +1000, Robert Collins wrote:
>----- Original Message -----
>From: "Robert Collins" <robert DOT collins AT itdomain DOT com DOT au>
>
>
>> Hi folk,
>>
>> A similar-in-appearance problem is occuring with binaries linked by a
>> patched ld.exe, (which I just installed tonight, so the first thing is
>> not an artifact of that). I'm trying out Paul Solovosky{I hope thats
>> right}'s ld-that-auto-imports.
>>
>
>This problem is not related to the slow startup problem. The problem is
>that the .dll's generated by Paul's ld, have a default base address of
>0x610c0000 which collides with cygwin's base addres of 0x61000000.
>Cygwin doesn't seem to be relocatable in practice, even though the .dll
>is marked as relocatable.
>
>Workaround: To build .dll's with the patched ld that work with cygwin
>1.3.2 use -Wl,--image-base=0x10000000 on the gcc commandle line.
>(0x10000000 is the default .dll address according to MSDN. [don't
>use --dll - --dll creates the 0x610c0000 address that doesn't work).
>
>Long term solution:I think cygwin1.dll should be marked non-relocatable
>to prevent .dll's that collide with the cygwin1.dll causing crashes and
>unexplained behaviour.