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Date: Thu, 04 Jul 2002 21:25:47 -0400
From: Jason Tishler <jason AT tishler DOT net>
Subject: Re: Rebase 1.5-1: Causes invalid page fault
In-reply-to: <20020627204841.20289.qmail@web21010.mail.yahoo.com>
To: Nicholas Wourms <nwourms AT yahoo DOT com>
Cc: cygwin AT cygwin DOT com
Mail-followup-to: Nicholas Wourms <nwourms AT yahoo DOT com>, cygwin AT cygwin DOT com
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References: <20020627160818 DOT GA1276 AT tishler DOT net>
 <20020627204841 DOT 20289 DOT qmail AT web21010 DOT mail DOT yahoo DOT com>

Nicholas,

On Thu, Jun 27, 2002 at 01:48:41PM -0700, Nicholas Wourms wrote:
> Ok, I just tried running it on the latest libpython2.2.dll both with the
> SDK version and with Microsoft's version.  Here are the results:
> 
> MS ReBase.exe:
> C:\Cygnus\cygwin\tmp\automake>"C:\Program Files\Microsoft SDK\Bin\ReBase.exe" -d -b 0x68000000 libpython2.2.dll
> REBASE: *** RelocateImage failed (libpython2.2.dll).  Image may be
> corrupted
> 
> REBASE: Total Size of mapping 0x0000000000000000
                                ^^^^^^^^^^^^^^^^^^
                                ******************

> REBASE: Range 0x0000000068000000 -0x0000000068000000
> 
> Ironically, when I checked this file in cygwin with "file", it says
> libpython2.2.dll: MS Windows PE Intel 80386 console DLL
>
> Does that mean it is ok?

I don't know.  Does python still work?

> Did rebase actually work?

I don't think so.  The above indicates a size of 0 -- this is bad.  You
can use objdump to verify if the rebasing was successful:

    $ objdump -p libpython2.2.dll | fgrep ImageBase
    ImageBase               67f30000

Note I get the following (under Windows 2000):

    $ rebase -d -b 0x68000000 libpython2.2.dll

    REBASE: Total Size of mapping 0x000d0000
    REBASE: Range 0x67f30000 -0x68000000

> Cygwin's rebase gave me the same pagefault as before.  So if the
> previous indicates success, then at least we know it isn't me?

Sorry, I don't have access to 9x/Me so you will have to debug the
problem with my rebase tool under Me.

Jason

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