[runtime] Replace global object link with native context link in all contexts.

src/mips/builtins-mips.cc

Index: src/mips/builtins-mips.cc
diff --git a/src/mips/builtins-mips.cc b/src/mips/builtins-mips.cc
index c96722fafedd2a0d4ba502f78202f5041d2baed6..8864f7e4d6f9142bdcab5989b32dc00a2727f509 100644
--- a/src/mips/builtins-mips.cc
+++ b/src/mips/builtins-mips.cc
@@ -73,30 +73,15 @@ void Builtins::Generate_Adaptor(MacroAssembler* masm,
 // Load the built-in InternalArray function from the current context.
 static void GenerateLoadInternalArrayFunction(MacroAssembler* masm,
                                               Register result) {
-  // Load the native context.
-
-  __ lw(result,
-        MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
-  __ lw(result, FieldMemOperand(result, JSGlobalObject::kNativeContextOffset));
   // Load the InternalArray function from the native context.
-  __ lw(result,
-         MemOperand(result,
-                    Context::SlotOffset(
-                        Context::INTERNAL_ARRAY_FUNCTION_INDEX)));
+  __ LoadNativeContextSlot(Context::INTERNAL_ARRAY_FUNCTION_INDEX, result);
 }
 
 
 // Load the built-in Array function from the current context.
 static void GenerateLoadArrayFunction(MacroAssembler* masm, Register result) {
-  // Load the native context.
-
-  __ lw(result,
-        MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
-  __ lw(result, FieldMemOperand(result, JSGlobalObject::kNativeContextOffset));
   // Load the Array function from the native context.
-  __ lw(result,
-        MemOperand(result,
-                   Context::SlotOffset(Context::ARRAY_FUNCTION_INDEX)));
+  __ LoadNativeContextSlot(Context::ARRAY_FUNCTION_INDEX, result);
 }
 
 
@@ -1749,7 +1734,7 @@ void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode) {
   __ addu(at, sp, at);
   __ sw(a1, MemOperand(at));
   // Let the "call_as_function_delegate" take care of the rest.
-  __ LoadGlobalFunction(Context::CALL_AS_FUNCTION_DELEGATE_INDEX, a1);
+  __ LoadNativeContextSlot(Context::CALL_AS_FUNCTION_DELEGATE_INDEX, a1);
   __ Jump(masm->isolate()->builtins()->CallFunction(
               ConvertReceiverMode::kNotNullOrUndefined),
           RelocInfo::CODE_TARGET);
@@ -1835,7 +1820,7 @@ void Builtins::Generate_Construct(MacroAssembler* masm) {
     __ addu(at, sp, at);
     __ sw(a1, MemOperand(at));
     // Let the "call_as_constructor_delegate" take care of the rest.
-    __ LoadGlobalFunction(Context::CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, a1);
+    __ LoadNativeContextSlot(Context::CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, a1);
     __ Jump(masm->isolate()->builtins()->CallFunction(),
             RelocInfo::CODE_TARGET);
   }