Chris Zankel c50842df47 xtensa: add support for TLS ...

The Xtensa architecture provides a global register called THREADPTR
for the purpose of Thread Local Storage (TLS) support. This allows us
to use a fairly simple implementation, keeping the thread pointer in
the regset and simply saving and restoring it upon entering/exiting
the from user space.

Signed-off-by: Chris Zankel <chris@zankel.net>

2013-02-23 19:35:57 -08:00

9.7 KiB

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