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- .eh_frame_hdr contains a binary-searchable data structure for finding an FDE. If present, we can use this section to avoid having to parse the entire FDE/CIE list in the binary, instead only entries that are actually required for unwinding are read. - rework the inputs pc-relative pointer decoding to support both already-mapped sections as well as sections mapped from a file - store the VirtualMachine on UnwindContext so the allocations can be reused