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xen-devel
Re: [Xen-devel] _text vs _start
On 3/1/07 9:22 pm, "Hollis Blanchard" <hollisb@xxxxxxxxxx> wrote:
> On Wed, 2007-01-03 at 15:07 -0600, Hollis Blanchard wrote:
>> Given that you do arithmetic with _end, can you explain why you're not
>> using _start, which is a standard symbol provided by the default linker
>> script?
>
> My mistake; _start of course isn't a linker script symbol at all, but
> rather the entry point code.
There is an unnecessary disagreement among architectures over what symbols
should be used to mark section and image boundaries. We could reasonably
agree on at least _start/_end and _stext/_etext I think. This would allow
functions like is_kernel_text() to become generic, and make it obvious which
labels kexec should be using.
-- Keir
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