Re: GDB hangs on Win2K

["Tim Prince" <tprince at computer dot org>]

I'm trying to find out where cc1.exe is hanging up when
attempting to build snapshots.  All I know so far is that it
completes certain compilations with -O0 which it doesn't
with -O.  Thought gdb would be the route to finding out more.
No such luck.  I have installed cygwin since the mail about a
fix for this, but don't remember if we were told to do something
special.

----- Original Message -----
From: "Andrew Begel" <abegel@cs.berkeley.edu>
To: <cygwin@sourceware.cygnus.com>
Sent: Wednesday, May 10, 2000 7:38 PM
Subject: GDB hangs on Win2K


> I'm trying to use the Cygwin 1.1.0 version of GDB on my Win2K
box to debug
> an application I compiled with gcc. I load up gdb with the
debug version of
> my app, and hit run (well, gdb -nw). It says that it loads all
the DLLs my
> app is dependent on, but then hangs. I have to use the task
manager to quit
> my bash shell that started it. (Same thing happens on the
graphical version
> of gdb).
>
> The same app can be debugged perfectly on a WinNT box. (just
copied the
> binary over).
>
> Is there some easy way to enable/fix gdb debugging on Win2K?
>
> I did check it out a bit with the VC++ debugger (can't use gdb
to attach to
> processes on windows) and found that GDB was in an infinite
loop between
> cygwin1.dll and kernel32.dll. I don't yet have symbols for
kernel32.dll, and
> well, it appears that gcc symbols (even with -gcoff) aren't
compatible with
> Windows debuggers (which claim to use an extension of COFF),
so all I could
> tell was that it was in an infinite loop, and not what
functions it is
> running.
>
> Andrew
>
>
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