more patches more newlib-1.16.0 : setjmp & longjmp for 4.9 branch

[ralf.corsepius at rtems.org (Ralf Corsepius)]

Kate Feng wrote:
> Hi,
> 
> Attached is the patches for newlib-1.16.0.  The setjmp() and longjmp()
> are broken, which could affect their function in the 4.9. branch.
> The patch for the setjmp.S is only for powerPC port, which was tested
> for my applications.  The path for the setjmp.h should be applied to
> all platforms.

Some questions:

* Which bug is this patch supposed to fix?
Please elaborate.

* Whatever you are trying to fix, is almost certainly not RTEMS specific 
but architecture specific
=> Your use of  __rtems__ is not the "right way" to do it.


Ralf