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Re: Optimizing watchpoints
- From: Phil Muldoon <pmuldoon at redhat dot com>
- To: Roland McGrath <roland at redhat dot com>
- Cc: Frysk Hackers <frysk at sourceware dot org>
- Date: Mon, 01 Oct 2007 18:54:00 +0100
- Subject: Re: Optimizing watchpoints
- References: <46FD7036.2010500@redhat.com> <20071001012529.D264A4D0325@magilla.localdomain>
Roland McGrath wrote:
You've brought up two issues, which I think each deserve their own separate
thread of discussion. The second thread is about indirection, or generally
speaking, dynamic specification of watchpoint addresses. That is a worthy
and interesting subject, but I don't think you need to worry about it now.
For considering the watchpoint implementation per se, we can just talk
about "a watchpoint" as being a request to watch a given fixed address.
Thanks for the detailed email. I'm still absorbing the information
parted here, and will in my usual fashion, come back with questions
later as things make better/more sense. I get the impressions that
watchpoints themselves are straightforward enough, but managing them and
dealing with the arch specific edge cases is tricky situation.
Regards
Phil