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Re: longjmp handling vs. glibc LD_POINTER_GUARD problems
- From: "Ulrich Weigand" <uweigand at de dot ibm dot com>
- To: drow at false dot org (Daniel Jacobowitz)
- Cc: gdb-patches at sourceware dot org
- Date: Wed, 14 May 2008 20:28:10 +0200 (CEST)
- Subject: Re: longjmp handling vs. glibc LD_POINTER_GUARD problems
Daniel Jacobowitz wrote:
> Bingo. I discussed this with Pedro, in followups to one of his nine
> patches... ah, here it is.
>
> http://sourceware.org/ml/gdb-patches/2008-04/msg00252.html
Huh ... I completely missed that, thanks.
> And stepping on platforms that don't provide a fetch routine, plus not
> providing fetch routines on platforms which mangle the pointer, is my
> best idea so far. Maybe dropping the fetcher entirely? Will that be
> too slow?
longjmp generally shouldn't very be long, so I don't think this matters.
However, Pedro mentioned that there are problems implementing this
in the current infrun.c setup, so there maybe some more work required ...
Bye,
Ulrich
--
Dr. Ulrich Weigand
GNU Toolchain for Linux on System z and Cell BE
Ulrich.Weigand@de.ibm.com