From: Sergey Fedorov <serge.fdrv@gmail.com>
To: "Valerón JC" <bandinfinite@hotmail.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] How does TCG gen host code for a TB?
Date: Fri, 11 Dec 2015 17:20:17 +0300 [thread overview]
Message-ID: <566ADBA1.8060106@gmail.com> (raw)
In-Reply-To: <BAY404-EAS14F150938C0288F1D01E59D8EA0@phx.gbl>
On 11.12.2015 06:43, Valerón JC wrote:
> I want to trace a bug in tcg, which for me, at some point, generate
> infinite loop TB chains, that's unexpected. and I've found the final
> TB(head, since they're chaining) which run in an infinite loop, and I
> know a very weird trick to 'disable' this bug, so I would like to
> track the tcg-ops for the TB, hope that I can figure what's wrong.
Hi,
You may find it useful to enable logging of TCG ops generated with '-d
op', as well as input and output assembly with '-d in_asm,out_asm'. '-D
<filename>' could be useful to output log to a file. Here are references
to documentation: http://qemu.weilnetz.de/qemu-doc.html#index-_002dd and
http://qemu.weilnetz.de/qemu-doc.html#index-_002dD.
Best,
Sergey
next prev parent reply other threads:[~2015-12-11 14:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-11 3:43 [Qemu-devel] How does TCG gen host code for a TB? Valerón JC
2015-12-11 13:37 ` Peter Maydell
2015-12-11 14:20 ` Sergey Fedorov [this message]
-- strict thread matches above, loose matches on Subject: below --
2015-12-11 15:34 Valerón JC
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