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

>>> 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:
>>>>   - xen.efi build will not so strongly depend
>>>>     on 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.


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