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

src/arm/builtins-arm.cc

Index: src/arm/builtins-arm.cc
diff --git a/src/arm/builtins-arm.cc b/src/arm/builtins-arm.cc
index 49242bd18a92699613226e46c013ee82e925eb0d..a07be7039e5e705c907abfb4284b8779837504dc 100644
--- a/src/arm/builtins-arm.cc
+++ b/src/arm/builtins-arm.cc
@@ -67,30 +67,15 @@ 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.
-
-  __ ldr(result,
-         MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
-  __ ldr(result, FieldMemOperand(result, JSGlobalObject::kNativeContextOffset));
-  // Load the InternalArray function from the native context.
-  __ ldr(result,
-         MemOperand(result,
-                    Context::SlotOffset(
-                        Context::INTERNAL_ARRAY_FUNCTION_INDEX)));
+  // Load the InternalArray function from the current native context.
+  __ 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.
-
-  __ ldr(result,
-         MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
-  __ ldr(result, FieldMemOperand(result, JSGlobalObject::kNativeContextOffset));
-  // Load the Array function from the native context.
-  __ ldr(result,
-         MemOperand(result,
-                    Context::SlotOffset(Context::ARRAY_FUNCTION_INDEX)));
+  // Load the Array function from the current native context.
+  __ LoadNativeContextSlot(Context::ARRAY_FUNCTION_INDEX, result);
 }
 
 
@@ -1248,8 +1233,7 @@ void Builtins::Generate_HandleFastApiCall(MacroAssembler* masm) {
   __ Jump(r4);
 
   __ bind(&set_global_proxy);
-  __ ldr(r2, GlobalObjectOperand());
-  __ ldr(r2, FieldMemOperand(r2, JSGlobalObject::kGlobalProxyOffset));
+  __ LoadGlobalProxy(r2);
   __ str(r2, MemOperand(sp, r0, LSL, kPointerSizeLog2));
   __ b(&valid_receiver);
 
@@ -1734,7 +1718,7 @@ void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode) {
   // Overwrite the original receiver the (original) target.
   __ str(r1, MemOperand(sp, r0, LSL, kPointerSizeLog2));
   // Let the "call_as_function_delegate" take care of the rest.
-  __ LoadGlobalFunction(Context::CALL_AS_FUNCTION_DELEGATE_INDEX, r1);
+  __ LoadNativeContextSlot(Context::CALL_AS_FUNCTION_DELEGATE_INDEX, r1);
   __ Jump(masm->isolate()->builtins()->CallFunction(
               ConvertReceiverMode::kNotNullOrUndefined),
           RelocInfo::CODE_TARGET);
@@ -1816,7 +1800,7 @@ void Builtins::Generate_Construct(MacroAssembler* masm) {
     // Overwrite the original receiver with the (original) target.
     __ str(r1, MemOperand(sp, r0, LSL, kPointerSizeLog2));
     // Let the "call_as_constructor_delegate" take care of the rest.
-    __ LoadGlobalFunction(Context::CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, r1);
+    __ LoadNativeContextSlot(Context::CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, r1);
     __ Jump(masm->isolate()->builtins()->CallFunction(),
             RelocInfo::CODE_TARGET);
   }