Re: [Xen-devel] Re: possible changes was Re: [PATCH] make domu_debug run-time option + fix int3 handling for MP

[Kip Macy <kip.macy@xxxxxxxxx>]

I guess I don't see how this is any different from the per-process
ptrace flag on UN*X. Why is this any more of a kludge?

    -Kip

On 5/16/05, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote:
> 
> > No differentiation is made between setting / removing int3 and other
> > modifications to memory in ptrace, /proc or the GDB stub protocol.
> > What you're
> > basically asking is to move debugger state into xen by having xen know
> > about who
> > put what breakpoints where. This is a non-trivial imposition and
> > incompatible
> > with the tools with which I am acquainted.
> 
> How else can we be sure what to do with int3 traps? Unless Xen can
> account for debugger-inserted int3's, any 'solution' will be a kludge.
> 
>   -- Keir
> 
> 
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