diff --git a/tools/relocate-rela.c b/tools/relocate-rela.c
index 5f31d8a746..2d2a2ed277 100644
--- a/tools/relocate-rela.c
+++ b/tools/relocate-rela.c
@@ -16,10 +16,34 @@
 #include <string.h>
 #include "compiler.h"
 
+#ifndef EM_AARCH64
+#define EM_AARCH64		183
+#endif
+
 #ifndef R_AARCH64_RELATIVE
 #define R_AARCH64_RELATIVE	1027
 #endif
 
+#ifndef EM_MICROBLAZE
+#define EM_MICROBLAZE		189
+#endif
+
+#ifndef R_MICROBLAZE_NONE
+#define R_MICROBLAZE_NONE	0
+#endif
+
+#ifndef R_MICROBLAZE_32
+#define R_MICROBLAZE_32		1
+#endif
+
+#ifndef R_MICROBLAZE_REL
+#define R_MICROBLAZE_REL	16
+#endif
+
+#ifndef R_MICROBLAZE_GLOB_DAT
+#define R_MICROBLAZE_GLOB_DAT	18
+#endif
+
 static int ei_class;
 
 static uint64_t rela_start, rela_end, text_base, dyn_start;