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Subject: Re: nm for .exe extensions?
To: cygwin@cygwin.com
References: <a66eaf9339774b6a8fbc1ab4b99f428d@ntmaexbe04.bedford.progress.com>
From: Marco Atzeri <marco.atzeri@gmail.com>
Message-ID: <cff23381-6d47-5382-62c4-dc6e94e6aff0@gmail.com>
Date: Tue, 24 May 2016 15:07:20 +0200
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On 24/05/2016 14:43, Benjamin Cao wrote:
> Hi,
>
> I am working with a customer on using the nm command in Cygwin for Windows. The customer wants to be able to generate a symbol table on *.exe files similar to what nm does on unix platforms. The executable, when run with nm in Cygwin, results in a "no symbols" result, whereas it generates a symbol table in unix.
>
> I understand that these commands will certainly be different in both Cygwin for Windows and the unix platforms, but is there any way that *.exe will generate a symtab with nm?
>
> Note: The customer said the Windows "dumpbin" does not satisfy his needs either... what fun.
>
> Thanks,
> Ben Cao
>

How was compiled the *.exe file ?

For both Unix and Windows stripped programs do not contain any more any 
symbol. Example from one of my package:

$ nm ncview.exe |wc -l
5540

$ nm ncview.exe |tail
00440824 T _XUndefineCursor
00424b8b t _xy_track_pointer
0062a230 b _y0.4078
0062a270 b _y0.4110
00424864 t _yaxis_range_callback
00626a68 b _ydim_selection_widget
00626a6c b _ydimlist_label_widget
00626a70 b _ydimlist_widget
00632890 i fthunk
00632498 i hname

but
$ nm /usr/bin/ncview.exe
nm: /usr/bin/ncview.exe: no symbols

As the installed version was stripped.


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