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Re: [PATCH] Re: Unwinding CFI gcc practice of assumed `same value' regs
- From: Daniel Jacobowitz <drow at false dot org>
- To: Jan Kratochvil <jan dot kratochvil at redhat dot com>, gdb-patches at sourceware dot org
- Date: Wed, 13 Dec 2006 16:03:57 -0500
- Subject: Re: [PATCH] Re: Unwinding CFI gcc practice of assumed `same value' regs
- References: <20061211190300.GA4372@host0.dyn.jankratochvil.net> <20061211224022.AD76E1800E7@magilla.sf.frob.com> <20061212155233.GH29911@devserv.devel.redhat.com> <20061213204603.GA11741@host0.dyn.jankratochvil.net>
On Wed, Dec 13, 2006 at 09:46:04PM +0100, Jan Kratochvil wrote:
> Attaching patch for current gdb CVS to properly terminate on return address 0.
> The check was already present there but it got applied one backward step later.
>
> I hope these three patches are be 100% reliable and also backward compatible.
Please read the previous discussion and patch on this topic:
http://sourceware.org/ml/gdb-patches/2006-07/msg00392.html
Mark, I don't suppose you find it convincing that the libgcc unwinder
terminates on PC == 0 too?
--
Daniel Jacobowitz
CodeSourcery