RFC: Allow emergency EH pool size to be controlled (for stage 1)

[Richard Biener]

On Tue, Dec 13, 2016 at 3:45 PM, Ville Voutilainen
<ville.voutilainen@gmail.com> wrote:
> On 13 December 2016 at 16:42, Richard Biener <richard.guenther@gmail.com> wrote:
>> Also maybe N should be the number of exception objects rather
>> than bytes?  Otherwise a target independent N is hard to specify
>> for say, a distribution that wants either a different default or a
>> static buffer.
>
>
> But how to specify the number of exception objects that may have
> different sizes?

We have EMERGENCY_OBJ_SIZE for this (yeah, some guesstimate)
which can be easily target configured in libstdc++ itself.  We possibly
should split it into a sizeof () of the exception header plus some
payload guesstimate.

Richard.