diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index ece126a62..c75e2ff7e 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,7 @@
+2012-10-23  Tom Tromey  <tromey@redhat.com>
+
+	* common.h (NT_SIGINFO, NT_FILE): New defines.
+
 2012-08-27  Walter Lee  <walt@tilera.com>
 
 	* tilegx.h (R_TILEGX_IMM16_X0_HW0_PLT_PCREL): New relocation.
diff --git a/include/elf/common.h b/include/elf/common.h
index 1c681d562..be228cdc1 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -549,6 +549,8 @@
 					/*   note name must be "LINUX".  */
 #define NT_ARM_VFP	0x400		/* ARM VFP registers */
 					/*   note name must be "LINUX".  */
+#define NT_SIGINFO	0x53494749	/* Fields of siginfo_t.  */
+#define NT_FILE		0x46494c45	/* Description of mapped files.  */
 
 /* Note segments for core files on dir-style procfs systems.  */