[CM] C Stack Unwinding

[Woody Douglass]

that makes a ton of sense, i guess we could just point to the buffer
that's already on the stack. I'll send a revised patch in a bit

On Wed, 2021-11-10 at 10:43 -0800, bil at ccrma.Stanford.EDU wrote:
> Thanks -- that looks interesting.  One problem is that
> a Jmp_Buf takes 200 bytes, so the s7_cell size is now
> 240 bytes (rather than 48) -- I think we'd want a
> pointer to a Jmp_Buf.
>