--- setarch.c
+++ setarch.c
@@ -47,6 +47,12 @@
     char *target_arch, *result_arch;
   } transitions[] = {
     {PER_LINUX32, "linux32", NULL},
+    {PER_LINUX, "linux64", NULL},
+#if defined(__mips__)
+    {PER_LINUX32, "mips32", "mips"},
+    {PER_LINUX32, "mips", "mips"},
+    {PER_LINUX, "mips64", "mips64"},
+#endif
 #if defined(__powerpc__) || defined(__powerpc64__)
     {PER_LINUX32, "ppc32", "ppc"},
     {PER_LINUX32, "ppc", "ppc"},