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

src/mips/builtins-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 55 matching lines @@
   __ Addu(a0, a0, num_extra_args + 1);
   __ bind(&done_argc);
 
   __ JumpToExternalReference(ExternalReference(id, masm->isolate()));
 }
 
 
 // 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);
 }
 
 
 void Builtins::Generate_InternalArrayCode(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- a0     : number of arguments
   //  -- ra     : return address
   //  -- sp[...]: constructor arguments
   // -----------------------------------
   Label generic_array_code, one_or_more_arguments, two_or_more_arguments;
@@ skipping 1632 matching lines @@
   __ bind(&non_function);
   // Check if target has a [[Call]] internal method.
   __ lbu(t1, FieldMemOperand(t1, Map::kBitFieldOffset));
   __ And(t1, t1, Operand(1 << Map::kIsCallable));
   __ Branch(&non_callable, eq, t1, Operand(zero_reg));
   // Overwrite the original receiver with the (original) target.
   __ sll(at, a0, kPointerSizeLog2);
   __ 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);
 
   // 3. Call to something that is not callable.
   __ bind(&non_callable);
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     __ Push(a1);
     __ CallRuntime(Runtime::kThrowCalledNonCallable, 1);
@@ skipping 65 matching lines @@
   __ And(t2, t2, Operand(1 << Map::kIsCallable));
   __ Branch(&non_constructor, eq, t2, Operand(zero_reg));
 
   // Called Construct on an exotic Object with a [[Construct]] internal method.
   {
     // Overwrite the original receiver with the (original) target.
     __ sll(at, a0, kPointerSizeLog2);
     __ 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);
   }
 
   // Called Construct on an Object that doesn't have a [[Construct]] internal
   // method.
   __ bind(&non_constructor);
   __ Jump(masm->isolate()->builtins()->ConstructedNonConstructable(),
           RelocInfo::CODE_TARGET);
 }
@@ skipping 153 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS