diff --git a/ChangeLog b/ChangeLog
index 56ab51d1b8..925a8338f2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-08-20  Joseph Myers  <joseph@codesourcery.com>
+
+	* elf/elf.c (NT_VMCOREDD): New macro.
+	(AT_MINSIGSTKSZ): Likewise.
+
 2018-08-20  Rajalakshmi Srinivasaraghavan  <raji@linux.vnet.ibm.com>
 
 	* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
diff --git a/elf/elf.h b/elf/elf.h
index 7e2b072a7f..226e53842e 100644
--- a/elf/elf.h
+++ b/elf/elf.h
@@ -808,6 +808,7 @@ typedef struct
 #define NT_ARM_SYSTEM_CALL	0x404	/* ARM system call number */
 #define NT_ARM_SVE	0x405		/* ARM Scalable Vector Extension
 					   registers */
+#define NT_VMCOREDD	0x700		/* Vmcore Device Dump Note.  */
 
 /* Legal values for the note segment descriptor types for object files.  */
 
@@ -1214,6 +1215,9 @@ typedef struct
 #define AT_L3_CACHESIZE		46
 #define AT_L3_CACHEGEOMETRY	47
 
+#define AT_MINSIGSTKSZ		51 /* Stack needed for signal delivery
+				      (AArch64).  */
+
 /* Note section contents.  Each entry in the note section begins with
    a header of a fixed form.  */