Hello,
For my Masters thesis I am investigating the usage of Intel VT-x and branch
tracing in the domain of malware analysis. Essentially what I'm aiming to do
is trace the execution of a guest VM and then pass that trace on to some other
tools. I've been playing KVM for a couple weeks now but from comments such as
(in arch/x86/kvm/vmx.c):
/*
* Forward all other exceptions that are valid in real mode.
* FIXME: Breaks guest debugging in real mode, needs to be fixed with
* the required debugging infrastructure rework.
*/
And (from an email sent to the list in July 2008):
Note that guest debugging in real mode is broken now. This has to be
fixed by the scheduled debugging infrastructure rework (will be done
once base patches for QEMU have been accepted).
it is unclear to me how much support there is for guest debugging in KVM
currently (I wasn't able to find any recent documentation on it) and what the
debugging infrastructure referred to by these comments is. I am interested in
becoming involved with the KVM project in this respect however some guidance
and direction on the guest debugging facilities would be greatly appreciated.
Cheers,
Dean Pucsek
Masters Student
Department of Computer Science
University of Victoria, Canada--
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