Re: [Xen-devel] [PATCH 4/4] sched: Use the auto-generated list of schedulers

[Jonathan Creekmore <jonathan.creekmore@xxxxxxxxx>]

Jan Beulich writes:

>>>> On 17.12.15 at 21:59, <jonathan.creekmore@xxxxxxxxx> wrote:
>> +extern const struct scheduler *__schedulers_start[], *__schedulers_end[];
>> +#define NUM_SCHEDULERS 
>> (((uintptr_t)__schedulers_end-(uintptr_t)__schedulers_start) \
>> +                        / sizeof(struct scheduler *))
>> +static const struct scheduler **schedulers = __schedulers_start;
>
> I really wonder whether we should continue follow this route of
> __start_ / __stop_ symbols, instead of leveraging gas+ld's
> .startof. and .sizeof. operators.

So, I would love to explore using those operators if you can give me
some link to documentation for using them. I have yet to be able to find
a construct for LD and GCC that works correctly for generating
equivalent symbols.

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