Package up exception handler state #11577
Merged
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This commit is a minor refactoring of the
wasmtime-unwindercrate to use aHandlerstructure as a "package" for the pc/fp/sp triple that's required to resume to an exception handler. Freestanding functions are now associated methods/functions ofHandlersuch as finding a frame on the stack and resuming to a handler.This doesn't actually change any behavior, just moving some things around to prepare for a future refactoring.