Re: Draft TLS/NPTL ABI for m68k and ColdFire, version 0.2

[Richard Zidlicky <rz@linux-m68k.org>]

> I suppose we could add a page at a fixed virtual offset from the vDSO
> base address. That would make the code sequence easier since we would
> presumably could use PC-relative addressing in the vDSO code. This would
> be much better than having a fixed virtual address. I'm just worried
> about the overhead of having an extra page per thread to store 32 bits.

slightly dangerous, but how about reserving a few bytes above stack?

Richard