+#define AT_FPUCW 18 /* info about fpu initialization by kernel */
+#define AT_DCACHEBSIZE 19 /* data cache block size */
+#define AT_ICACHEBSIZE 20 /* instruction cache block size */
+#define AT_UCACHEBSIZE 21 /* unified cache block size */
+#define AT_IGNOREPPC 22 /* ppc only; entry should be ignored */
+#define AT_SECURE 23 /* boolean, was exec suid-like? */
+#define AT_BASE_PLATFORM 24 /* string identifying real platforms */
+#define AT_RANDOM 25 /* address of 16 random bytes */
+#define AT_EXECFN 31 /* filename of the executable */
+#define AT_SYSINFO 32 /* address of kernel entry point */
+#define AT_SYSINFO_EHDR 33 /* address of kernel vdso */
+#define AT_L1I_CACHESHAPE 34 /* shapes of the caches: */
+#define AT_L1D_CACHESHAPE 35 /* bits 0-3: cache associativity. */
+#define AT_L2_CACHESHAPE 36 /* bits 4-7: log2 of line size. */
+#define AT_L3_CACHESHAPE 37 /* val&~255: cache size. */