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Date:	Wed, 16 Jan 2002 16:20:54 -0500
From:	Jason Tishler <jason AT tishler DOT net>
To:	Robert Collins <robert DOT collins AT itdomain DOT com DOT au>
Cc:	"Roth, Kevin P." <KPRoth AT MarathonOil DOT com>, cygwin-apps AT sources DOT redhat DOT com
Subject:	Re: rebase for setup.
Message-ID:	<20020116212054.GA2400@dothill.com>
Mail-Followup-To:	Robert Collins <robert DOT collins AT itdomain DOT com DOT au>,
	"Roth, Kevin P." <KPRoth AT MarathonOil DOT com>,
	cygwin-apps AT sources DOT redhat DOT com
References:	<20011212085744 DOT A2400 AT dothill DOT com> <20011218211235 DOT GA2476 AT dothill DOT com> <018101c1880b$affd10a0$0200a8c0 AT lifelesswks> <20011219032813 DOT GG10253 AT redhat DOT com> <20011221125117 DOT GC1792 AT dothill DOT com> <027401c18bae$25318fe0$0200a8c0 AT lifelesswks> <20011227174434 DOT GC2204 AT dothill DOT com> <045a01c18f34$10a73730$0200a8c0 AT lifelesswks> <20020103131837 DOT GA1940 AT dothill DOT com> <09df01c19459$8414f250$0200a8c0 AT lifelesswks>
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Rob,

On Fri, Jan 04, 2002 at 12:21:11AM +1100, Robert Collins wrote:
> From: "Jason Tishler" <jason AT tishler DOT net>
> > 1. Determine why cygcurl-2.dll and possibly other DLLs do not tolerate
> > rebasing.
> 
> Hmm. Yes. Did you rebase .dll's after stripping them? And what strip
> options where used?

After some more rebase runs, I believe that I have determined that
stripping is the problem:

    $ strip -o pq-all.dll pq.dll 
    $ strip -g -o pq-debug.dll pq.dll 
    $ strip --strip-unneeded -o pq-unneeded.dll pq.dll

    $ file pq*dll
    pq-all.dll:      MS Windows PE Intel 80386 console DLL
    pq-debug.dll:    MS Windows PE Intel 80386 console DLL
    pq-unneeded.dll: MS Windows PE Intel 80386 console DLL
    pq.dll:          MS Windows PE Intel 80386 console DLL

    $ rebase -b 0x68000000 pq*dll
    pq-all.dll: new base = 68000000, new size = 20000
    pq-debug.dll: new base = 68000000, new size = 20000
    pq-unneeded.dll: new base = 68000000, new size = 20000
    pq.dll: new base = 68000000, new size = 20000

    $ file pq*dll
    pq-all.dll:      MS-DOS executable (EXE), OS/2 or MS Windows
    pq-debug.dll:    MS-DOS executable (EXE), OS/2 or MS Windows
    pq-unneeded.dll: MS-DOS executable (EXE), OS/2 or MS Windows
    pq.dll:          MS Windows PE Intel 80386 console DLL

    $ objdump -p pq*dll | fgrep ImageBase
    objdump: pq-all.dll: File format not recognized
    objdump: pq-debug.dll: File format not recognized
    objdump: pq-unneeded.dll: File format not recognized
    ImageBase               68000000

I got the same results for curl too.

Any ideas why stripping prevents some DLLs from being rebased and
not others?  Any solutions besides not stripping?

Thanks,
Jason

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