buildroot/toolchain/gdb/7.4.1/xtensa-gdb-regsize.patch

--- gdb-7.4.1/gdb/xtensa-tdep.h.orig	2012-10-30 11:40:23.546448594 -0700
+++ gdb-7.4.1/gdb/xtensa-tdep.h	2012-10-30 11:41:43.078445337 -0700
@@ -17,6 +17,7 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
+#include <stdint.h>
 
 /* XTENSA_TDEP_VERSION can/should be changed along with XTENSA_CONFIG_VERSION
    whenever the "tdep" structure changes in an incompatible way.  */
@@ -84,7 +85,7 @@
 /* Xtensa ELF core file register set representation ('.reg' section).
    Copied from target-side ELF header <xtensa/elf.h>.  */
 
-typedef unsigned long xtensa_elf_greg_t;
+typedef uint32_t xtensa_elf_greg_t;
 
 typedef struct
 {