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

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 18.12.15 at 17:00, <jonathan.creekmore@xxxxxxxxx> wrote:
> 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.

With binutils docs missing any notion of these, I can only refer
you to binutils sources, I'm afraid.

Jan


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