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Subject:	Re: Presence of cygwin64 elements in an existing Cygwin 32 install after updating
To:	cygwin AT cygwin DOT com
References:	<CAFWoy7G6qey3krstkgwYpjQYoxMejTF18Ds5B-vcA28OG4gU4A AT mail DOT gmail DOT com> <35eff42d-9022-ddf8-27f6-9a1889544852 AT cornell DOT edu> <CAFWoy7Fbv00KaWv5Yjoxsh4Dwar-S3qH-ma4rt2GU743+k9LBg AT mail DOT gmail DOT com> <CAFWoy7F6cyx02qttLQDhjUeK0gezsP2nPtEwdJ3z6s5fOrW8vQ AT mail DOT gmail DOT com> <CAFWoy7H14=pPmGi0NN5NZZR4u2a0S2dW5-OB9=yq3iiNP3Ebfg AT mail DOT gmail DOT com> <c100f9f7-f722-f1a3-b10a-158b24aa92e4 AT cs DOT umass DOT edu> <7910bbfa-5adf-02ec-39a6-a620180c8695 AT gmail DOT com> <36c2aa01-c5ca-3f6b-e81d-76ec3a2bb2f0 AT cs DOT umass DOT edu>
From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID:	<e7b0c010-9b88-e0e7-c537-c08920d021be@gmail.com>
Date:	Wed, 30 Aug 2017 14:55:04 +0200
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On 30/08/2017 14:24, Eliot Moss wrote:
> A query related to this:
> 
> If I use rebase -si and look at the range of addresses used, what is
> the limit that gets exceeded when I have too many DLLs?  In other words,
> what should I look for to determine that I *must* have fewer DLLs?
> 
> Regards - Eliot (who uses one ell :-) )

Ehm, sorry Eliot,

you should look if
- you have collisions ( they are signed by * in rebase -si output)
- if you have very low address as allocation is starting at 0x6fff....
and going down.

In my case, where I have already a large number of package,
but not extreme:

$ cygcheck -cd |wc -l
1639

the lowest address is around 0x36960000

32 $ rebase -si |sort  --key=3 | head| awk '{print $3, $5,$1}'
0x36960000 0x0000b000 /usr/libexec/coreutils/libstdbuf.so
0x36970000 0x00053000 /usr/lib/xorg/modules/extensions/cygglx.dll
0x369d0000 0x0000d000 /usr/lib/xorg/modules/drivers/nested_drv.dll
0x369e0000 0x0000c000 /usr/lib/xorg/modules/drivers/dummy_drv.dll
0x369f0000 0x00031000 /usr/lib/xorg/modules/cygwfb.dll
0x36a30000 0x0000b000 /usr/lib/xorg/modules/cygshadowfb.dll
0x36a40000 0x00011000 /usr/lib/xorg/modules/cygshadow.dll
0x36a60000 0x0000b000 /usr/lib/xorg/modules/cygfbdevhw.dll
0x36a70000 0x00028000 /usr/lib/xorg/modules/cygfb.dll
0x36aa0000 0x0001e000 /usr/lib/xorg/modules/cygexa.dll

marco AT GE-MATZERI-EU ~/doc
  32 $ rebase -si |sort  --key=3 | tail | awk '{print $3, $5,$1}'
0x6fc90000 0x00088000 /usr/bin/cygGL-1.dll
0x6fd20000 0x0008a000 /usr/bin/cygFLAC-8.dll
0x6fdb0000 0x00019000 /usr/bin/cygFLAC++-6.dll
0x6fdd0000 0x00034000 /usr/bin/cygEMF-1.dll
0x6fe10000 0x0002a000 /usr/bin/cygEGL-1.dll
0x6fe40000 0x0001a000 /usr/bin/cyg4ti2util-0.dll
0x6fe60000 0x00078000 /usr/bin/cyg4ti2int64-0.dll
0x6fee0000 0x00074000 /usr/bin/cyg4ti2int32-0.dll
0x6ff60000 0x00081000 /usr/bin/cyg4ti2gmp-0.dll
0x6fff0000 0x0000b000 /usr/bin/cyg4ti2common-0.dll

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