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From: "Jan Beulich" <JBeulich@novell.com>
To: <linux-kernel@vger.kernel.org>
Subject: hardware breakpoints questions
Date: Mon, 13 Sep 2004 17:42:43 +0200	[thread overview]
Message-ID: <s145cde4.009@emea1-mh.id2.novell.com> (raw)

- Why is it that user mode has to have knowledge about the layout and
number of debug registers?
- Why is it that (on i386/x86-64) one can't, say, set a byte-range
breakpoint on TASK_SIZE - 1 (whatever this may be good for)?
- Why is it that (on i386/x86-64) one can't set 2- or 4-byte-range
execution breakpoints, but one can (on x86-64) set 8-byte-range ones?

Thanks, Jan

             reply	other threads:[~2004-09-13 15:53 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-13 15:42 Jan Beulich [this message]
2004-09-14  6:41 Prasanna S Panchamukhi
2004-09-14  9:32 Jan Beulich

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