[ARM] TLS Descriptor support

Ramana Radhakrishnan ramana.radhakrishnan@linaro.org
Mon Jun 6 16:10:00 GMT 2011


On 6 June 2011 10:56, Nathan Sidwell <nathan@codesourcery.com> wrote:
> On 06/06/11 10:53, Ramana Radhakrishnan wrote:
>>>
>>> If you're asking something else, can you rephrase the question?
>>
>> Sorry if I wasn't too clear.  My question really should have read "why
>> do we have to special case Thumb2" ? The linker should be able to
>> veneer the t->  a calls either through the veneering sequence (in case
>> of T1 without blx) or convert the bl to a blx (modulo the case with
>> out of range branches). As I said I'm probably missing something here.
>
> Maybe we don't.  It just seems neater to emit blx on arches that have it.
>

In which case the test should probably read -

(arm_arch5 && TARGET_THUMB) rather than (TARGET_THUMB2) since blx
exists since v5t

cheers
Ramana



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