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Subject: Re: Debugging cygwin1.dll startup
From: Robert Collins <rbcollins AT cygwin DOT com>
To: "Parker, Ron" <rdparker AT butlermfg DOT com>
Cc: cygwin AT cygwin DOT com
In-Reply-To: <71A0F7B0F1F4F94F85F3D64C4BD0CCFE02BF255E@bmkc1svmail01.am.mfg>
References: <71A0F7B0F1F4F94F85F3D64C4BD0CCFE02BF255E AT bmkc1svmail01 DOT am DOT mfg>
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Date: Thu, 25 Sep 2003 07:21:01 +1000

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On Thu, 2003-09-25 at 03:40, Parker, Ron wrote:
> I have made some local changes to the source for cygwin1.dll and would li=
ke
> to debug it, as the first Cygwin process, bash, begins.  I know about usi=
ng
> a gdb-startup.cmd setup for JIT debugging applications, but this does not
> seem to work for debugging Cygwin prior to reaching a bash prompt.  Is th=
e
> 'dll cygwin1' GDB mechanism the only way to do what I need?

Don't install the new cygwin1.dll if you've broken startup ;). So the
answer is, I think, yes.

What I usually do when fiddling cygwin1.dll startup stuff (like when I
was prodding gprof) is to have gdb have it's own copy of cygwin1.dll,
isolated. Then gdb runs fine and one can dig into the new process
happily.

Rob

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