see glibc commit 9c21573c02446b3d5cf6a34b67c8545e5be6a600
@@ -1153,6 +1153,7 @@ typedef struct {
#define EF_MIPS_64BIT_WHIRL 16
#define EF_MIPS_ABI2 32
#define EF_MIPS_ABI_ON32 64
+#define EF_MIPS_NAN2008 1024
#define EF_MIPS_ARCH 0xf0000000