Error stack strawman

[Andreas Rossberg]

On 19 February 2016 at 06:29, John Lenz <concavelenz at gmail.com> wrote:

> However, at the CPU level, it seems like you would be better pushing an
> return address for a special function that indicated the start of a
> sequence of tail calls.  That way you trade only some
> complexity/performance for tail calls (an inspection of the last entry of
> the call stack) and some stack frame building complexity (to recognize this
> "special" frame).
>

There is no way of knowing, neither statically nor dynamically, that you
are at "the start of a sequence of tail calls". And doing it for every tail
call would of course defeat tail calls.

/Andreas
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.mozilla.org/pipermail/es-discuss/attachments/20160219/e0361de3/attachment-0001.html>