The gbmap introduces quite a bit of complexity with how it interacts
with config: block_count => gbmap weight, and wcompat => gbmap enabled.
On one hand this means fewer sources of truth, on the other hand it
makes the gbmap logic cross subsystems and a bit messy.
To avoid trying to parse a bunch of disabled/garbage gstate, this adds
wcompat/rcompat checks to our Gstate class, exposed via __bool__.
This also means we actually need to parse wcompat/rcompat/ocompat flags,
but that wasn't to difficult (though currently only supports 32-bits).
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I added conditional repr logic for the grm and gbmap, but didn't bother
with the gcksum. The gcksum is used too many other places in these
scripts to expect a nice rendering when disabled.
Christopher Haster
67d3c6ea69