Hi Bernhard,
On 1/22/14, 2:15 PM, Bernhard Reutner-Fischer wrote:
On 13 January 2014 17:18, Chris Zankel <[email protected]> wrote:
Hi,
I was wondering if anyone had a chance to look at these changes again? I
have attached the two patches we propose so we can add support for TLS
descriptors.
It would be great to get an ACK for it (or NACK with maybe some other
suggestions).
I did not have a chance to look at it yet, no.
I've been side-tracked attempting to understand gold's POV on TLS (or
static tls or however it is called, think dreaded tsd. Holler if that
rings a bell,
Do you have any pointers to it? I'm not sure I know who or what 'gold'
is or means?
I'd be curious, though...
i could use somebody filling in my gaps of interest in that area ;).. Going
through the backlog now but it's getting too late for me today to continue.
No worries. I'm just glad you haven't forgotten :-)
Regarding those patches, they should be transparent for all other
architectures, ie. not change anything, but are a requisite for to add
TLS/NPTL support for Xtensa. For Xtensa, we have to use what's called
TLS descriptors, and which will come in additional patches.
The two changes in that patch are:
- change struct funcdesc_value** to void**, which I think is save,
- pass the two functions, hash_pointer and eq_pointer as additional
arguments to htab_find_slot(), but any advanced compiler should just
inline them again.
(Note that the entire patch series for Xtensa is under
https://github.com/foss-xtensa/uClibc.git in the xtensa_nptl branch)
Thanks,
-Chris
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