I'm generating checkpoints from spec for a research project. I have a use case
where I'm introducing novel instructions but they only have OoO core semantics
rather than program semantics, and any binary I modify to include them has the
exact same addresses for functions, basic blocks etc as an unmodified binary.
My method to generate checkpoints has been to run a binary without novel
instructions natively to generate simpoints, generate the checkpoints with gem5
passing the unmodified binaries, then restore the checkpoints passing the
modified binaries that have the novel instructions.
I've realised though I'm not sure this may work as intended. Do the checkpoints
gem5 generates include a memory dump of instructions loaded from a binary as
well as stack/heap working data too? I'm intending for all instructions to be
loaded out of the binary I pass on checkpoint restore, rather than out of the
checkpoint. Is anybody able to confirm for me whether or not this is actually
the case?
Thanks.
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