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MarkUndo
searching PlanetScale…
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MarkUndo
8y ago
I think GDB's built-in record/replay mode does roughly what you describe. Tracking the effects of every instruction does is likely to give you a simpler implementation (since you just repeatedly say "next instruction, now w
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MarkUndo
8y ago
Interestingly, hypervisor-level logging of this stuff is both harder (because it has the constraints of kernel-level code) and simpler (because the non-deterministic behaviours are fewer and better-documented at the hardware level than the
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MarkUndo
8y ago
VMware used to support record / replay of VMs in their commercial product, which was quite cool: https://pubs.vmware.com/ws71_ace27/wwhelp/wwhimpl/js/html/ww...
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MarkUndo
8y ago
Actually, I think rr supports shared memory operations under some circumstances... (I'd love to have my beliefs confirmed / corrected by somebody more knowledgeable) My understanding is that rr has some handling for read-only sh