Hi all,
does anybody know if all architectures support passing
an environment pointer in their function call ABI?
Are the some where this does not exist?
Is there are table somewhere which lists the
register (or stack slot) used for this for
all architectures?
Somehow I could not find this
Hello,
On Wed, 13 Oct 2021, Martin Uecker wrote:
> does anybody know if all architectures support passing
> an environment pointer in their function call ABI?
Define "environment pointer". I can imagine two things you could mean:
the custom to pass envp as third argument to main() in hosted C
Am Mittwoch, dem 13.10.2021 um 15:21 + schrieb Michael Matz:
> Hello,
>
> On Wed, 13 Oct 2021, Martin Uecker wrote:
>
> > does anybody know if all architectures support passing
> > an environment pointer in their function call ABI?
>
...
>
> Or you could mean what normally would be called
On Wed, 13 Oct 2021, Martin Uecker wrote:
> There is currently no standard way to set or query
> the static chain from C although this is used by
> many other languages. Also function pointers in C
> usually can not store the static chain. I am going
> to propose to WG14 to add some kind of wide f
Hello,
On Wed, 13 Oct 2021, Martin Uecker wrote:
> > [... static chain ...]
> > If you mean that, then it's indeed psABI specific, and possibly not
> > al ABIs specify it (in which case GCC will probably have set a de-
> > facto standard at least for unixy systems). The x86-64 psABI for
> > inst
Am Donnerstag, dem 14.10.2021 um 13:17 + schrieb Michael Matz:
> Hello,
>
> On Wed, 13 Oct 2021, Martin Uecker wrote:
>
> > > [... static chain ...]
> > > If you mean that, then it's indeed psABI specific, and possibly
> > > not
> > > al ABIs specify it (in which case GCC will probably have s
