From: Jan Kratochvil <jan.kratochvil@redhat.com>
To: Michael Eager <eager@eagerm.com>
Cc: Daniel Jacobowitz <drow@false.org>,
"gdb@sourceware.org" <gdb@sourceware.org>
Subject: Re: HW breakpoint on Linux x86 native
Date: Mon, 16 Jul 2012 18:43:00 -0000 [thread overview]
Message-ID: <20120716184328.GA17596@host2.jankratochvil.net> (raw)
In-Reply-To: <50045AC7.1060006@eagerm.com>
On Mon, 16 Jul 2012 20:17:43 +0200, Michael Eager wrote:
> When running a local process, the target vector is different,
> created by init_exec_ops() in exec.c. This defaults to
> to_can_use_hw_breakpoint = reply_zero().
>
> RH has a patch which forces the test in their gdb-7.3.1 release:
http://pkgs.fedoraproject.org/gitweb/?p=gdb.git;a=blob_plain;f=gdb-bz541866-rwatch-before-run.patch;hb=master
It seems to be fixed in FSF GDB since 7.4 by:
[RFA 2/3] Demote to sw watchpoint only in update_watchpoint
http://sourceware.org/ml/gdb-patches/2011-04/msg00292.html
http://sourceware.org/ml/gdb-patches/2011-05/msg00042.html
commit efa8e67a1ea2d6f90d86efc31076f24e67940f8e
Author: Thiago Jung Bauermann <bauerman@br.ibm.com>
Date: Thu May 5 22:52:09 2011 +0000
Demote to sw watchpoint only in update_watchpoint.
Do you really run gdb-7.4+?
(Going to drop the Fedora patch now, thanks for the notification.)
Thanks,
Jan
next prev parent reply other threads:[~2012-07-16 18:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-16 16:39 Michael Eager
2012-07-16 17:32 ` Daniel Jacobowitz
2012-07-16 18:17 ` Michael Eager
2012-07-16 18:43 ` Jan Kratochvil [this message]
2012-07-16 18:55 ` Michael Eager
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