Prologue analysis interface

[Jim Blandy]

On 11/23/05, Ulrich Weigand <uweigand@de.ibm.com> wrote:
> Just one comment on this:  the CFA is not necessarily the original SP
> (on s390 we have a constant offset).  We'd have to leave it to platform
> code to actually determine the CFA itself.

Why does your CFA need to be an offset from the original SP?  Aside
from some more code needing to add an offset itself, what would break?