corrected: tapset/script information template
Ananth N Mavinakayanahalli
amavin@redhat.com
Wed May 4 18:12:00 GMT 2005
William Cohen wrote:
>
> Yes, that is the same case for the x86/x86-64. All taken branches are
> trapped, so the trap handler needs to look at the instruction to
> determine whether it is a call, ret, or regular branch.
>
> What does the ppc MSR[BE] do with the branch instructions used for
> implementing the atomic operations? Want to make sure that the atomic
> operations work correctly.
>
Atomic operations on ppc64 invariably use lwarx/stwcx before and after
the branch instructions. And Anton tells me that stepping over them is a
pain. He did suggest some ideas about how they can be tackled. Will look
at it in further detail.
Ananth
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