This is a re-submission of the port of GDB to the Tilera TILE-Gx 
processor, re-organized and modified in response to multiple suggestions 
from several people.

This is part 1 of 3, containing basic support for the TILE-Gx 
processor.  Patch is attached.  It contains:

     gdb/
     * tilegx-linux-tdep.c: New file
     * tilegx-tdep.c: New file
     * configure.host: Add tilegx target.
     * configure.tgt: Add tilegx target.
     * Makefile.in: Add tilegx dependencies.

     gdb/regformats/
     * reg-tilegx.dat: New file.

     gdb/config/tilegx/
     * nm-linux.h: New file.


Comments please.

Thanks.

jeff kenton (jkenton@tilera.com)