Subject: Re: gdb breakpoint setting with UVM
To: Gordon W. Ross <gwr@netbsd.org>
From: Ignatios Souvatzis <ignatios@cs.uni-bonn.de>
List: tech-kern
Date: 02/16/1999 11:36:36
On Mon, Feb 15, 1999 at 11:53:12PM -0500, Gordon W. Ross wrote:
> Ignatios Souvatzis writes:

>  > looking at PR 6152 by Michael Hitch, I expect that it is a problem for _any_
>  > machine using in-memory breakpoint instructions with seperate I/D-cache...
>  > 
>  > - did anybody else notice the problem?
>  > - how does gdb insert breakpoints on our different architectures?
> 
> It just uses ptrace(2).  The kernel is responsible for
> dealing with any I-cache/D-cache issues...

Well, as Michael Hitch points out, there doesn't seem to be any support for
this with the method used #ifdef UVM... is this right?

	-is