Hi GDB maintainers and reviewers,

On behalf of Andes Technology Corporation, we are submitting a new port NDS32 for GDB contribution.

This patch includes

1. code and target-description for target NDS32.
2. testsuite tweak.
3. configure setting to enable GDB building for target NDS32.

We have already signed FSF agreement.

Thanks for your time reviewing our patch.


ChangeLog entries:

/:
2016-05-05  Yan-Ting Lin  <currygt52@gmail.com>

	* configure.ac: Enable GDB building for target NDS32.
	* configure: Regenerate.


gdb/:
2016-05-05  Yan-Ting Lin  <currygt52@gmail.com>

	* Makefile.in: Add NDS32.
	* NEWS: Mention new NDS32 port.
	* configure.tgt: Add NDS32.
	* nds32-tdep.c: New file.
	* nds32-tdep.h: New file.
	* features/Makefile: Add NDS32.
	* features/nds32-core.xml: New file.
	* features/nds32-fpu.xml: New file.
	* features/nds32-system.xml: New file.
	* features/nds32.xml: New file.
	* features/nds32.c: New file (generated).


gdb/testsuite/:
2016-05-05  Yan-Ting Lin  <currygt52@gmail.com>

	* testsuite/gdb.base/float.exp: Add target check for nds32*-*-*.
	* testsuite/gdb.xml/tdesc-regs.exp: Set core-regs for nds32*-*-*.