Re: NPTL support for the kernel

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On Wed, Mar 16, 2005 at 09:11:52AM -0500, Daniel Jacobowitz wrote:
> Here's a kernel patch to enable NPTL support.  This doesn't include Maciej's
> uber-fast rdhwr emulation; I believe we ought to include both the fast and
> slow paths, since the slow path will handle use of other destination
> registers.  Changes:
> 
>   - Clone takes five arguments, not four.  Um, this bit is gross.
>   - New syscall sys_set_thread_area.  Only glibc uses this.
>   - Emulation of the rdhwr instruction.  This version is only loosely
>     based on the emulation on the malta branch; the major difference
>     is that I fixed ll/sc/rdhwr emulation in branch delay slots.
>     GCC 4.1 will generate rdhwr in branch delay slots in some
>     conditions.
>   - PTRACE_GET_THREAD_AREA support for GDB.

Ping?

-- 
Daniel Jacobowitz
CodeSourcery, LLC


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