[Interpreter] Add CallRuntime support to the interpreter.

src/mips/interface-descriptors-mips.cc

Index: src/mips/interface-descriptors-mips.cc
diff --git a/src/mips/interface-descriptors-mips.cc b/src/mips/interface-descriptors-mips.cc
index b85b1cbf4d7beb71635338000edbd4d9e332d7ad..75cd3a918830c61ff379abc6caba0d40c8251933 100644
--- a/src/mips/interface-descriptors-mips.cc
+++ b/src/mips/interface-descriptors-mips.cc
@@ -392,16 +392,27 @@ void MathRoundVariantCallFromOptimizedCodeDescriptor::
 }
 
 
-void PushArgsAndCallDescriptor::InitializePlatformSpecific(
+void InterpreterPushArgsAndCallDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {
-      a0,  // argument count (including receiver)
+      a0,  // argument count (not including receiver)
       a2,  // address of first argument
       a1   // the target callable to be call
   };
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+
+void InterpreterCEntryDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {
+      a0,  // argument count (argc)
+      a2,  // address of first argument (argv)
+      a1   // the runtime function to call
+  };
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
 }  // namespace internal
 }  // namespace v8