Re: [Xen-devel] [PATCH 00/18] x86: multiboot2 protocol support

["Vladimir 'phcoder' Serbinenko" <phcoder@xxxxxxxxx>]

Le 2015-02-04 10:51, "Jan Beulich" <JBeulich@xxxxxxxx> a Ãcrit :
>
> >>> On 04.02.15 at 10:04, <andrew.cooper3@xxxxxxxxxx> wrote:
> > On 03/02/2015 17:14, Daniel Kiper wrote:
> >> On Mon, Feb 02, 2015 at 09:28:49AM +0000, Jan Beulich wrote:
> >>>>>> On 30.01.15 at 18:54, <daniel.kiper@xxxxxxxxxx> wrote:
> >>>>Â Â- xen.efi build will not so strongly depend
> >>>>Â Â Âon a given GCC and binutils version.
> >>> While I can see the possibility of making the binutils version
> >>> dependency go away (by manually creating the PE header), I can't
> >>> see how you'd overcome the gcc one: The MS calling convention
> >>> support is still going to be needed (not having looked at the patches
> >> Right, I forgot about that one.
> >>
> >>> themselves yet, I can't see myself accepting the introduction of
> >>> stubs to convert between calling conventions).
> >
> > How about __attribute__((ms_abi)) ? It would appear to exist for this
> > purpose.
>
> But that's the point: Older compilers don't support it. And with
> compilers supporting it we need no stubs.
>
ms_abi has been around for years. What's your minimum compiler requirement?
> Jan
>

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