commit b00f86d0720d2cf44f3edb6101682074da1abe5d
Author: John Baldwin <jhb@FreeBSD.org>
Date:   Wed Jun 15 22:44:11 2016 -0700

    Add constants for FreeBSD-specific auxiliary vector entry types.
    
    include/ChangeLog:
    
    	* elf/common.h (AT_FREEBSD_EXECPATH, AT_FREEBSD_CANARY)
    	(AT_FREEBSD_CANARYLEN, AT_FREEBSD_OSRELDATE, AT_FREEBSD_NCPUS)
    	(AT_FREEBSD_PAGESIZES, AT_FREEBSD_PAGESIZESLEN)
    	(AT_FREEBSD_TIMEKEEP, AT_FREEBSD_STACKPROT): Define.

diff --git include/elf/common.h include/elf/common.h
index 087d876..d2da009d 100644
--- include/elf/common.h
+++ include/elf/common.h
@@ -1012,6 +1012,16 @@
 #define AT_L2_CACHESHAPE  36
 #define AT_L3_CACHESHAPE  37
 
+#define AT_FREEBSD_EXECPATH     15      /* Path to the executable. */
+#define AT_FREEBSD_CANARY       16      /* Canary for SSP. */
+#define AT_FREEBSD_CANARYLEN    17      /* Length of the canary. */
+#define AT_FREEBSD_OSRELDATE    18      /* OSRELDATE. */
+#define AT_FREEBSD_NCPUS        19      /* Number of CPUs. */
+#define AT_FREEBSD_PAGESIZES    20      /* Pagesizes. */
+#define AT_FREEBSD_PAGESIZESLEN 21      /* Number of pagesizes. */
+#define AT_FREEBSD_TIMEKEEP     22      /* Pointer to timehands. */
+#define AT_FREEBSD_STACKPROT    23      /* Initial stack protection. */
+
 #define AT_SUN_UID      2000    /* Effective user ID.  */
 #define AT_SUN_RUID     2001    /* Real user ID.  */
 #define AT_SUN_GID      2002    /* Effective group ID.  */