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* fix async thread cancellation on powerpc64Rich Felker2018-08-291-0/+7
| | | | | | | | | | | entering the local entry point for __cancel from __cp_cancel is valid if __cp_cancel was reached from __syscall_cp, since both are in libc and share the same TOC pointer, but it is not valid if __cp_cancel was reached when cancel_handler rewrote the program counter for asynchronous cancellation of code outside libc. to ensure __cancel is entered with a valid TOC pointer, recompute the correct value in a PC-relative manner before jumping.
* add powerpc64 portBobby Bingham2016-05-081-0/+37