Seems unnecessary to do anything to registers in the call edge glue. We did this (oh, decades ago...) on the 68000, on the Macintosh, and really all we needed w

Seems unnecessary to do anything to registers in the call edge glue. We did this (oh, decades ago...) on the 68000, on the Macintosh, and really all we needed was a distilled link map and some return addresses. Maybe there are some complications we didn't have, though.