[Compiler-rt][XRAY][MIPS] Support xray on mips/mipsel/mips64/mips64el

Summary: Adds support for xray on mips/mipsel/mips64/mips64el.

Reviewed by sdardis, dberris
Differential: D27699

llvm-svn: 295166
diff --git a/compiler-rt/lib/xray/xray_interface.cc b/compiler-rt/lib/xray/xray_interface.cc
index 0b13983..1644326 100644
--- a/compiler-rt/lib/xray/xray_interface.cc
+++ b/compiler-rt/lib/xray/xray_interface.cc
@@ -35,6 +35,10 @@
 static const int16_t cSledLength = 32;
 #elif defined(__arm__)
 static const int16_t cSledLength = 28;
+#elif SANITIZER_MIPS32
+static const int16_t cSledLength = 48;
+#elif SANITIZER_MIPS64
+static const int16_t cSledLength = 64;
 #else
 #error "Unsupported CPU Architecture"
 #endif /* CPU architecture */