From: Richard Henderson <rth@twiddle.net>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Riku Voipio <riku.voipio@iki.fi>,
Jincheng Miao <jmiao@redhat.com>,
QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH] cpu-exec: make TBs generated codes unlinked when -singlestep
Date: Thu, 24 Jul 2014 21:41:24 -1000 [thread overview]
Message-ID: <53D20A24.8060508@twiddle.net> (raw)
In-Reply-To: <CAFEAcA80ztRAqor3P_uML8Jp=W1R5pkFrDc1mbeCNHNyoX0+pQ@mail.gmail.com>
On 07/24/2014 09:37 PM, Peter Maydell wrote:
> Huh? We already don't emit goto_tb if single-stepping, surely?
> (Well, I guess some of the backends might well be broken, but
> in that case they probably don't get the other bits of singlestep
> support right either...)
Indeed. I noticed this a month or so ago.
Almost all backends check the gdb env->single_step to prevent goto_tb, but
forget about the tcg debugging singlestep.
r~
next prev parent reply other threads:[~2014-07-25 7:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-25 4:37 [Qemu-devel] [PATCH] cpu-exec: make TBs generated codes unlinked when -singlestep Jincheng Miao
2014-07-25 6:58 ` Richard Henderson
2014-07-25 7:37 ` Peter Maydell
2014-07-25 7:41 ` Richard Henderson [this message]
2014-07-25 7:45 ` Peter Maydell
2014-07-25 8:05 ` Jincheng Miao
2014-07-25 12:07 ` Laurent Desnogues
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