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Date:      Fri, 18 Apr 2008 13:18:06 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        Roman Divacky <rdivacky@freebsd.org>
Cc:        freebsd-current@freebsd.org, Coleman Kane <cokane@freebsd.org>
Subject:   Re: Patch to fix crashing experienced while using GDB
Message-ID:  <200804181318.07160.jhb@freebsd.org>
In-Reply-To: <20080418082227.GA38438@freebsd.org>
References:  <1208208513.1279.51.camel@localhost> <20080418002037.GA11705@dragon.NUXI.org> <20080418082227.GA38438@freebsd.org>

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On Friday 18 April 2008 04:22:27 am Roman Divacky wrote:
> On Thu, Apr 17, 2008 at 05:20:37PM -0700, David O'Brien wrote:
> > On Mon, Apr 14, 2008 at 05:36:38PM -0400, Coleman Kane wrote:
> > > On Mon, 2008-04-14 at 17:28 -0400, Coleman Kane wrote:
> > > > Hello,
> > > > 
> > > > Some time ago, I got the attached patch from jhb (IIRC). It has worked
> > > > for me and cured a problem that was making a bunch of my code
> > > > un-traceable using GDB on FreeBSD. Debugging would result in a crash 
of
> > > > GDB, preventing me from seeing what bug I had that crashed my program.
> > > > 
> > > > Anyhow, my question is: Is there any reason this shouldn't be pushed
> > > > into the tree? Who do I need to talk to (obrien? the compiler
> > > > maintainers?) about it?
> > > 
> > > BTW, this has already been fixed in the GDB sources (using nearly the
> > > exact same code) since August 2004 in rev. 1.79 of gdb/target.c:
> > > 
> > > 
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/target.c?rev=1.79&content-type=text/x-cvsweb-markup&cvsroot=src
> > 
> > OK, I'll take a look at it.
> 
> while you are at it, can you please take a look at:
> 
>    	www.vlakno.cz/~rdivacky/gdb.patch
> 
> it (or some parts of it) fixes problems with attaching to a process in gdb,> 
try 
> 
> witten ~# cat&
> [1] 17309
> witten ~# gdb
> (gdb) attach 17309

Does just the infcmd.c change fix this?  The frame.c part of the patch looks 
to just be noise.

-- 
John Baldwin



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