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Message-ID:	<3EBB109B.1010502@rfk.com>
Date:	Thu, 08 May 2003 22:21:15 -0400
From:	Larry Hall <lhall AT rfk DOT com>
Reply-To:	lhall AT rfk DOT com
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To:	Garfield Lewis <galewis AT ca DOT ibm DOT com>
CC:	cygwin AT cygwin DOT com
Subject:	Re: GCC for Windows help
References:	<OF73F9995C DOT 9DB3A724-ON85256D20 DOT 0078146C-85256D20 DOT 00784D83 AT torolab DOT ibm DOT com>
In-Reply-To:	<OF73F9995C.9DB3A724-ON85256D20.0078146C-85256D20.00784D83@torolab.ibm.com>

Hi Garfield,

Depends on the context.  Rebaseall will rebase all the DLLs installed
by setup.exe.  You could certainly add to that list to encompass other
DLLs too.  But perhaps that's side-stepping the issue.  However, as a
practical stop-gap measure, it should work.

Larry

Garfield Lewis wrote:
> Hi Larry,
> 
> Rebase will not help because the relocations are gone so irregardless of
> what the base address is if I cannot get that address the load will fail
> instead of just loading somewhere else and fixing up the addresses.
> 
> Thx,
> 


<snip>

> 
> 
> Garfield Lewis wrote:
> 
> <snip>
> 
>>On 8 May 2003 at 14:39, "Garfield Lewis" <galewis AT ca DOT ibm DOT com> wrote:
>>
>>
>>>Yes, been there done that... The problem is not building the dll it's
>>>running it. Since their linker strips the relocations out of the dll then
>>>if the dll is loaded by any proces that happens to not have the preferred
>>>address free then the dll will not load because cannot fixup the address
>>>within the dll. It is a stupid default for Windows but seems to be the
>>
>>case
>>
>>
>>>here. The --emit-relocs option seems to be what I need, however, so far
>>
>>all
>>
>>
>>>my info indicates that this only works for ELF binaries. Using the
>>>---enable-auto-image-base is a workaround for now because it chooses an
>>>address other than 0x10000000 as the preferred load address but it to
>>
>>will
>>
>>
>>>fail if the above happens, however less likely.
> 
> 
> 
> Sounds like something that the rebase package could help you with...
> 
> --
> 
> Larry Hall                              http://www.rfk.com
> RFK Partners, Inc.                      (508) 893-9779 - RFK Office
> 838 Washington Street                   (508) 893-9889 - FAX
> Holliston, MA 01746
> 
> 
> 
> 
> 
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> 


-- 
Larry


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