MIPS: split api call stubs into accessor and function call stubs

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 ecdaecf2b71216fe98be0c66f8baeaa4aa16367e..979fbf45f0356316fbdd14155adefa32283f5d17 100644
--- a/src/mips/interface-descriptors-mips.cc
+++ b/src/mips/interface-descriptors-mips.cc
@@ -299,6 +299,27 @@ void ApiFunctionDescriptor::Initialize(CallInterfaceDescriptorData* data) {
       t0,  // call_data
       a2,  // holder
       a1,  // api_function_address
+      a3,  // actual number of arguments
+  };
+  Representation representations[] = {
+      Representation::Tagged(),     // context
+      Representation::Tagged(),     // callee
+      Representation::Tagged(),     // call_data
+      Representation::Tagged(),     // holder
+      Representation::External(),   // api_function_address
+      Representation::Integer32(),  // actual number of arguments
+  };
+  data->Initialize(arraysize(registers), registers, representations);
+}
+
+
+void ApiAccessorDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+  Register registers[] = {
+      cp,  // context
+      a0,  // callee
+      t0,  // call_data
+      a2,  // holder
+      a1,  // api_function_address
   };
   Representation representations[] = {
       Representation::Tagged(),    // context