From: Andrew Cagney <cagney@gnu.org>
To: Orjan Friberg <orjan.friberg@axis.com>
Cc: gdb-patches@sources.redhat.com
Subject: Re: Z packet support in Gdbserver?
Date: Wed, 26 May 2004 17:32:00 -0000 [thread overview]
Message-ID: <40B4D494.9020504@gnu.org> (raw)
In-Reply-To: <40B47B2B.8020504@axis.com>
Andrew Cagney wrote:
There are two ways to implement h/w watchpoints: in the target (as was done for remote.c); or in the per-architecture code (as was done for native i386). Both are correct. The missing bit is code to get the per-architecture logic working with a remote target - this would involve juggling things so that the h/w watchpoint registers are included in the regcache and the target/arch to select either a local/remote mechanism.
Ok; I think I understand. The CRISv32 target is unlikely to ever have a native debugger, but as a remote target it will be debuggable in kernel mode (using a traditional remote stub) and in user mode (using Gdbserver). For kernel mode, I have implemented the h/w watchpoint register setup as a response to z/Z packets, so either I have to duplicate that in the Gdbserver, or move it all into GDB, and have it done through G packets.
Yep.
Andrew
prev parent reply other threads:[~2004-05-26 17:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <40B3650C.5090800@axis.com>
2004-05-25 15:27 ` Daniel Jacobowitz
2004-05-26 8:05 ` Orjan Friberg
2004-05-25 18:03 ` Andrew Cagney
2004-05-26 11:10 ` Orjan Friberg
2004-05-26 17:32 ` Andrew Cagney [this message]
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