From: "K.Prasad" <prasad@linux.vnet.ibm.com>
To: linuxppc-dev@ozlabs.org,
Thiago Jung Bauermann <bauerman@br.ibm.com>,
Edjunior Barbosa Machado <emachado@linux.vnet.ibm.com>
Subject: Re: [PATCH 2/2] [PowerPC Book3E] Introduce new ptrace debug feature flag
Date: Tue, 23 Aug 2011 14:57:56 +0530 [thread overview]
Message-ID: <20110823092756.GB2962@in.ibm.com> (raw)
In-Reply-To: <20110823050931.GT30097@yookeroo.fritz.box>
On Tue, Aug 23, 2011 at 03:09:31PM +1000, David Gibson wrote:
> On Fri, Aug 19, 2011 at 01:23:38PM +0530, K.Prasad wrote:
> >
> > While PPC_PTRACE_SETHWDEBUG ptrace flag in PowerPC accepts
> > PPC_BREAKPOINT_MODE_EXACT mode of breakpoint, the same is not intimated to the
> > user-space debuggers (like GDB) who may want to use it. Hence we introduce a
> > new PPC_DEBUG_FEATURE_DATA_BP_EXACT flag which will be populated on the
> > "features" member of "struct ppc_debug_info" to advertise support for the
> > same on Book3E PowerPC processors.
>
> I thought the idea was that the BP_EXACT mode was the default - if the
> new interface was supported at all, then BP_EXACT was always
> supported. So, why do you need a new flag?
>
Yes, BP_EXACT was always supported but not advertised through
PPC_PTRACE_GETHWDBGINFO. We're now doing that.
Thanks,
K.Prasad
next prev parent reply other threads:[~2011-08-23 9:28 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-19 7:45 [PATCH 0/2] Changes to PowerPC ptrace flags using watchpoints K.Prasad
2011-08-19 7:51 ` [PATCH 1/2] [hw-breakpoint] Use generic hw-breakpoint interfaces for new PPC ptrace flags K.Prasad
2011-08-23 5:08 ` David Gibson
2011-08-23 9:25 ` K.Prasad
2011-08-24 3:59 ` David Gibson
2011-08-26 9:35 ` K.Prasad
2011-09-16 7:27 ` K.Prasad
2011-10-12 3:33 ` David Gibson
2011-10-12 17:39 ` K.Prasad
2011-11-28 3:11 ` David Gibson
2011-12-01 10:20 ` K.Prasad
2011-12-07 19:01 ` Thiago Jung Bauermann
2011-12-08 8:30 ` K.Prasad
2011-08-19 7:53 ` [PATCH 2/2] [PowerPC Book3E] Introduce new ptrace debug feature flag K.Prasad
2011-08-23 5:09 ` David Gibson
2011-08-23 9:27 ` K.Prasad [this message]
2011-08-24 4:00 ` David Gibson
2011-08-25 0:41 ` Thiago Jung Bauermann
2011-08-26 4:41 ` David Gibson
2011-08-31 0:27 ` Thiago Jung Bauermann
2011-09-19 1:10 ` David Gibson
-- strict thread matches above, loose matches on Subject: below --
2011-12-08 11:12 [PATCH 0/2] Changes to PowerPC ptrace flags using watchpoints - v2 K.Prasad
2011-12-08 11:23 ` [PATCH 2/2] [PowerPC Book3E] Introduce new ptrace debug feature flag K.Prasad
2011-12-21 0:55 ` David Gibson
2011-12-22 9:34 ` K.Prasad
2012-01-16 8:18 ` David Gibson
2012-02-15 22:18 ` Thiago Jung Bauermann
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