Re: [Xen-devel] [PATCH ARM v8 3/4] mini-os: arm: build system

[Thomas Leonard <talex5@xxxxxxxxx>]

On 26 October 2014 09:55, Samuel Thibault <samuel.thibault@xxxxxxxxxxxx> wrote:
> Thomas Leonard, le Sun 26 Oct 2014 09:46:09 +0000, a Ãcrit :
>> Could you say a bit more about the linker problems you had?
>
> Really digging in the archives this time :)
>
> ia64-specific:
> http://lists.xen.org/archives/html/xen-ia64-devel/2008-03/msg00126.html
> http://lists.xen.org/archives/html/xen-ia64-devel/2008-12/msg00070.html
> x86_64-specific (missing red zone support)
> http://lists.xen.org/archives/html/xen-ia64-devel/2008-02/msg00251.html
>
> So I guess it could be OK on arm, but you have to make sure that Mini-OS
> implements the whole ABI that gcc will use. Testing is not enough, I got
> hit by the red zone for instance.

On ARM, we have a separate stack for the IRQ handler, so the red zone
at least shouldn't be a problem.


-- 
Dr Thomas Leonard        http://0install.net/
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