From: David Lecomber <david@lecomber.net>
To: Daniel Jacobowitz <drow@false.org>
Cc: "M.M. Kettenis" <m.m.kettenis@alumnus.utwente.nl>,
gdb@sources.redhat.com
Subject: Re: ia64 register cache (not!)
Date: Thu, 09 Feb 2006 14:40:00 -0000 [thread overview]
Message-ID: <1139496030.10829.2.camel@cpc2-oxfd8-0-0-cust771.oxfd.cable.ntl.com> (raw)
In-Reply-To: <20060209141941.GA24301@nevyn.them.org>
On Thu, 2006-02-09 at 09:19 -0500, Daniel Jacobowitz wrote:
> On Thu, Feb 09, 2006 at 02:15:53PM +0000, M.M. Kettenis wrote:
> > Are you sure the ia64 kernel supports the PTRACE_GETREGS/PTRACE_SETREGS
> > requests? If those are implemented someone really should add support
> > for them. Note that even if the current kernels do, there may be
> > older kernels that don't have these. A possible solution would be to
> > use PTRACE_GETREGS if available and fall back on PTRACE_PEEK_USER if it
> > isn't (that's what we do on Linux/i386). But if kernels without
> > PTRACE_GETREGS are no longer in widespread use, it's probably not
> > worth bothering.
>
> FYI, it wasn't in the very original ia64 port, but was added about four
> years ago.
That sounds about right - I think RH AS 2.1 does not support it, but RH
EL 4 does have GETREGS.
Note the ptrace() man page on IA64 refers to PTRACE_GETFPREGS -- and
that definitely does *not* exist!!
Cheers
d.
prev parent reply other threads:[~2006-02-09 14:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-09 12:30 David Lecomber
2006-02-09 14:16 ` M.M. Kettenis
2006-02-09 14:19 ` Daniel Jacobowitz
2006-02-09 14:40 ` David Lecomber [this message]
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