From: Tristan Gingold <gingold@adacore.com>
To: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [patch] Fix linux-ia64 on SIGILL for deleted breakpoint
Date: Mon, 19 Jul 2010 09:04:00 -0000 [thread overview]
Message-ID: <00CE116D-04D6-477D-9D71-0EBAD7017283@adacore.com> (raw)
In-Reply-To: <20100719085817.GA24395@host1.dyn.jankratochvil.net>
On Jul 19, 2010, at 10:58 AM, Jan Kratochvil wrote:
> Hi,
>
> in some cases ia64 can generate SIGILL instead of SIGTRAP. Guessing it is
> a CPU bug instead of Linux kernel bug (but I may be wrong).
> https://bugzilla.redhat.com/show_bug.cgi?id=615538
> http://sources.redhat.com/cgi-bin/cvsweb.cgi/~checkout~/tests/ptrace-tests/tests/ia64-sigill.c?cvsroot=systemtap
This is not a bug but a feature: the immediate of break.b is ignored by the processor.
next prev parent reply other threads:[~2010-07-19 9:04 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-19 8:58 Jan Kratochvil
2010-07-19 9:04 ` Tristan Gingold [this message]
2010-07-19 9:20 ` Jan Kratochvil
2010-07-19 9:50 ` Tristan Gingold
2010-07-20 13:29 ` Pedro Alves
2010-07-23 22:19 ` Jan Kratochvil
2010-07-24 22:26 ` Pedro Alves
2010-07-25 18:52 ` Jan Kratochvil
2010-07-25 18:55 ` [patch] Fix linux-ia64 on SIGILL for deleted breakpoint [cleanup] Jan Kratochvil
2010-07-27 11:59 ` Pedro Alves
2010-07-27 21:22 ` Jan Kratochvil
2010-07-27 11:43 ` [patch] Fix linux-ia64 on SIGILL for deleted breakpoint Pedro Alves
2010-07-27 20:55 ` Jan Kratochvil
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