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Re: cygwin1.dll - debug version (RE: similar crash in mmap for 1.5.3-1)
On Wed, 10 Sep 2003, Christopher Faylor wrote:
> On Wed, Sep 10, 2003 at 01:23:56PM +0200, Hannu E K Nevalainen (garbage mail) wrote:
> >> From: email@example.com [mailto:firstname.lastname@example.org]On Behalf
> >> Of Christopher Faylor
> >> >Idea, to help debug things like the above:
> >> >
> >> > Alt 1) Make an _unstripped_ cygwin1.dll available in a package named
> >> > "cygwin-DEBUG-dll" or some such. Also make it be
> >> "TEST/Exp" forever.
> >> > Alt 2) Have an unstripped cygwin1-DEBUG.dll added to the basic package,
> >> > add a simple "cygswapdll" utility.
> >> >
> >> >Is this a Good or Bad idea?
> >> The new version of binutils allows you to strip debug information and put
> >> it in a separate file. Then you can provide that file to gdb and use it
> >> for debugging.
> > Right, now that you mention it I remember seeing it. My ideas ran obsolete
> >already in the start ':-> .
> >> However, like everything there are two problems 1) lack of tuit cycles and
> >> 2) it won't stop people from running gdb on their binaries and reporting
> >> that strdup is causing a problem in mmap. There will still be a "download
> >> the debug info" step no matter what.
> > Most likely... Some wording regarding "download the debug info" needs to be
> >added to "problems.html" - I guess.
> That sort of presupposes that someone is interested in walking people through
> the debugging of the cygwin DLL. I know I'm not interested and I haven't
> seen anyone else step in when people start asking debugging questions.
> I guess the words in problems.html could be extended with a "You're basically
> on your own"...
> This is not a bad idea, especially since I thought of it myself long ago :-),
> like I said, it just requires some time which I don't have right now.
FWIW, I think Hannu has a point in that if debugging information were
available, it would be much easier for people to step in and outline the
necessary actions to provide a good stack trace than it would be to show
them how to build a debug version of the DLL from scratch. Just my 2c.
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