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From: Daniel Jacobowitz <drow@false.org>
To: Joel Brobecker <brobecker@adacore.com>
Cc: Wiljan Derks <Wiljan.Derks@zonnet.nl>,
	gdb@sourceware.org, 	Mark Kettenis <kettenis@gnu.org>
Subject: Re: How to tell gdb about dlls using remote protocol
Date: Thu, 01 Feb 2007 23:59:00 -0000	[thread overview]
Message-ID: <20070201235944.GA16114@nevyn.them.org> (raw)
In-Reply-To: <20070201230301.GM17864@adacore.com>

On Thu, Feb 01, 2007 at 03:03:01PM -0800, Joel Brobecker wrote:
> > In general, if we can not find the start of the current function,
> > we have absolutely no chance of getting out of it.
> > 
> > This is a standard problem e.g. with the Windows system DLLs, since
> > we have inadequate means to recover symbol information from them.
> 
> At least on Windows, I think the change I proposed should help
> increase the odds in our favor in this situation. If I read the code
> correctly, the current approach will almost always fail, whereas
> using %ebp should get us somewhere sensible unless %ebp is used
> as a scratch register...

Except it's pretty standard to compile without a frame pointer on
Windows, from what I've encountered - and more importantly, all of the
Microsoft DLLs seem to do so.  I still think we need to come up with
some way to take advantage of the MS symbol info, though it's not a
small project (so I haven't really tried to do it).

-- 
Daniel Jacobowitz
CodeSourcery


  reply	other threads:[~2007-02-01 23:59 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-31 21:08 Wiljan Derks
2007-01-31 22:31 ` Daniel Jacobowitz
2007-02-01 17:52   ` Joel Brobecker
2007-02-01 22:54     ` Daniel Jacobowitz
2007-02-01 23:02       ` Joel Brobecker
2007-02-01 23:59         ` Daniel Jacobowitz [this message]
2007-02-02  6:20           ` Robert Dewar
2007-02-02 11:43             ` Daniel Jacobowitz
2007-02-02 16:51               ` Joel Brobecker
2007-02-02 16:56                 ` Daniel Jacobowitz
2007-02-02 17:34                   ` Joel Brobecker
2007-02-05 20:34                     ` Wiljan Derks
2007-02-05 21:21                       ` Joel Brobecker
2007-02-07 21:47                     ` Mark Kettenis
2007-02-07 22:14     ` Mark Kettenis
2007-02-07 22:17       ` Daniel Jacobowitz
2007-02-08 21:14         ` Mark Kettenis
2007-02-08 23:00           ` Daniel Jacobowitz
2007-02-14  8:51             ` Joel Brobecker

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