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Re: Use static chain and libffi for Go closures
- From: Ian Lance Taylor <iant at golang dot org>
- To: Richard Henderson <rth at redhat dot com>
- Cc: "gofrontend-dev at googlegroups dot com" <gofrontend-dev at googlegroups dot com>, gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 16 Jan 2015 14:59:16 -0800
- Subject: Re: Use static chain and libffi for Go closures
- Authentication-results: sourceware.org; auth=none
- References: <54B83B61 dot 1010108 at redhat dot com>
On Thu, Jan 15, 2015 at 2:12 PM, Richard Henderson <rth@redhat.com> wrote:
>
> All of this has been posted before.
>
> I believe the ABI change is something we should have for gcc 5.
>
> Yes, the libffi merge has been causing problems (on targets that
> don't even support libgo, annoyingly), but missing support for
> the new libffi interfaces is easier to remedy in a dot release
> than the change from __thread variable to static chain register
> for implementing closures.
Thanks very much. Looks great. Committed to mainline.
Ian