Re: [PATCH] add option to issue warning when trampolines are generated

[Adriaan van Os <gcc at microbizz dot nl>]

Andrew Pinski wrote:

> Mike Stump wrote:
>
> > On Mar 18, 2006, at 2:03 AM, Kevin F. Quinn (Gentoo) wrote:
> > > Below is a simple patch to add a '-Wtrampolines' option.  When 
> > > enabled this
> > > causes a warning to be issued when trampolines are generated.
> > >
> > > This is useful for system integrators, who are building for 
> > > no-exec-stack
> > > environments, to locate trampolines in other peoples' code.
> >
> > :-)  I have one that turns of nested functions entirely.

The Apple local branch has that option, but it is hilarious (see my 
comments on Apple radar ID# 4413297).

> 90% of nested functions don't need trampolines.  And Considering
> Fortran (and Ada) require nested function, it would be stupid to
> turn off all nested functions.  Now Ada also requires trampolines
> to work, so even this is questionable.

Fully agreed. Same for Pascal.

Adriaan van Os