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Re: patch for invalid hw breakpoints

From: Nathan Sidwell <nathan at codesourcery dot com>
Cc: Daniel Jacobowitz <drow at false dot org>, Eli Zaretskii <eliz at gnu dot org>, gdb-patches at sourceware dot org
Date: Thu, 01 Jun 2006 19:33:06 +0100
Subject: Re: patch for invalid hw breakpoints
References: <447EE9A8.4050800@codesourcery.com> <ulksgeqwz.fsf@gnu.org> <20060601172639.GA25709@nevyn.them.org> <447F27BC.6030808@codesourcery.com>

Nathan Sidwell wrote:

The remote stub can deal with this, but the functionality detection code in remote.c cannot. In particular this bit of code in remote_remove_watchpoint triggers because the just attempted remote_insert_watchpoint call has now set the support field to PACKET_DISABLE.

one thing that may not be clear from what I said is that this particular stub does not support Z2 packets, so returns an empty response as required by the gdb protocol. If the stub did support Z2 packets, it would have to deal with duplicates.

nathan
--
Nathan Sidwell    ::   http://www.codesourcery.com   ::         CodeSourcery
nathan@codesourcery.com    ::     http://www.planetfall.pwp.blueyonder.co.uk

References:
- Re: patch for invalid hw breakpoints
  - From: Eli Zaretskii
- Re: patch for invalid hw breakpoints
  - From: Daniel Jacobowitz
- Re: patch for invalid hw breakpoints
  - From: Nathan Sidwell

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