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Message-Id: <199909230744.CAA22202@mercury.xraylith.wisc.edu>
To: " Clark Sims " <clarksimsgnu AT my-Deja DOT com>
cc: "cygwin AT sourceware DOT cygnus DOT com" <cygwin AT sourceware DOT cygnus DOT com>
Subject: Re: How to generate map file. 
In-Reply-To: Your message of "Wed, 22 Sep 1999 17:42:06 PDT."
             <LFHFNNPHEKIPAAAA AT my-deja DOT com> 
Date: Thu, 23 Sep 1999 02:44:11 -0500
From: Mumit Khan <khan AT thor DOT xraylith DOT wisc DOT edu>

" Clark Sims " <clarksimsgnu AT my-Deja DOT com> writes:
> System: NT 4 SV5
> Compiler: b20.1  Gcc 2.95
> 
> How does one generate a map file. I have tried using the standard flags, -Map
>  -Wi but the compiler doesn't seem to recognize them.
> 

To pass a linker flag, you need to to -Wl, and the linker flags you
want to pass you can get from the linker (ld) documentation. 

  $ gcc -o foo.exe -Wl,-Map,foo.map foo.c

will produce a foo.map file.

To dump the map to standard error, use --print-map or -M. You should also 
consider adding -Wl,--cref for cross-referencing.

  $ gcc -o foo.exe -Wl,-M foo.c 2>&1 | less
  $ gcc -o foo.exe -Wl,--print-map foo.c 2>&1 | less

Regards,
Mumit


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