diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 2befe5720..127f765ac 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,7 @@
+2009-12-18  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* common.h (NT_S390_HIGH_GPRS): Define.
+
 2009-12-17  Alan Modra  <amodra@bigpond.net.au>
 
 	* ppc.h (R_PPC_RELAX32, R_PPC_RELAX32PC, R_PPC_RELAX32_PLT,
diff --git a/include/elf/common.h b/include/elf/common.h
index ff6aed222..361703de3 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -510,6 +510,8 @@
 					/*   note name must be "LINUX".  */
 #define NT_PPC_VSX	0x102		/* PowerPC VSX registers */
 					/*   note name must be "LINUX".  */
+#define NT_S390_HIGH_GPRS 0x300		/* S/390 upper halves of GPRs  */
+					/*   note name must be "LINUX".  */
 
 /* Note segments for core files on dir-style procfs systems.  */