Fix unwinding for Thumb-2 libraries

[Daniel Jacobowitz]

On Tue, Apr 06, 2010 at 12:23:23PM -0400, Daniel Jacobowitz wrote:
> On Tue, Apr 06, 2010 at 03:40:59PM +0000, Joseph S. Myers wrote:
> > On Mon, 5 Apr 2010, Daniel Jacobowitz wrote:
> > 
> > > Tested on arm-none-linux-gnueabi.  Is this OK to commit?
> > 
> > OK, but I would expect that 
> > sysdeps/unix/sysv/linux/arm/eabi/nptl/aio_misc.h should also be removed 
> > along with this patch (as a workaround for the same issue that only 
> > actually worked because of the compiling happening to use r7 for something 
> > other than the frame pointer in aio_misc_wait, so that the value that is 
> > the caller's frame pointer is saved there).
> 
> I'll start another test run without aio_misc.h.

Checked in with that change.

-- 
Daniel Jacobowitz
CodeSourcery