Revert to code state of 3.13.1 plus r12350

src/arm/code-stubs-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 88 matching lines @@
                         r2,
                         &gc,
                         TAG_OBJECT);
 
   __ IncrementCounter(counters->fast_new_closure_total(), 1, r6, r7);
 
   int map_index = (language_mode_ == CLASSIC_MODE)
       ? Context::FUNCTION_MAP_INDEX
       : Context::STRICT_MODE_FUNCTION_MAP_INDEX;
 
-  // Compute the function map in the current native context and set that
+  // Compute the function map in the current global context and set that
   // as the map of the allocated object.
-  __ ldr(r2, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
-  __ ldr(r2, FieldMemOperand(r2, GlobalObject::kNativeContextOffset));
+  __ ldr(r2, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
+  __ ldr(r2, FieldMemOperand(r2, GlobalObject::kGlobalContextOffset));
   __ ldr(r5, MemOperand(r2, Context::SlotOffset(map_index)));
   __ str(r5, FieldMemOperand(r0, HeapObject::kMapOffset));
 
   // Initialize the rest of the function. We don't have to update the
   // write barrier because the allocated object is in new space.
   __ LoadRoot(r1, Heap::kEmptyFixedArrayRootIndex);
   __ LoadRoot(r5, Heap::kTheHoleValueRootIndex);
   __ str(r1, FieldMemOperand(r0, JSObject::kPropertiesOffset));
   __ str(r1, FieldMemOperand(r0, JSObject::kElementsOffset));
   __ str(r5, FieldMemOperand(r0, JSFunction::kPrototypeOrInitialMapOffset));
@@ skipping 19 matching lines @@
   __ add(r3, r3, Operand(Code::kHeaderSize - kHeapObjectTag));
   __ str(r3, FieldMemOperand(r0, JSFunction::kCodeEntryOffset));
 
   // Return result. The argument function info has been popped already.
   __ Ret();
 
   __ bind(&check_optimized);
 
   __ IncrementCounter(counters->fast_new_closure_try_optimized(), 1, r6, r7);
 
-  // r2 holds native context, r1 points to fixed array of 3-element entries
-  // (native context, optimized code, literals).
+  // r2 holds global context, r1 points to fixed array of 3-element entries
+  // (global context, optimized code, literals).
   // The optimized code map must never be empty, so check the first elements.
   Label install_optimized;
   // Speculatively move code object into r4.
   __ ldr(r4, FieldMemOperand(r1, FixedArray::kHeaderSize + kPointerSize));
   __ ldr(r5, FieldMemOperand(r1, FixedArray::kHeaderSize));
   __ cmp(r2, r5);
   __ b(eq, &install_optimized);
 
   // Iterate through the rest of map backwards.  r4 holds an index as a Smi.
   Label loop;
@@ skipping 71 matching lines @@
   // Load the function from the stack.
   __ ldr(r3, MemOperand(sp, 0));
 
   // Set up the object header.
   __ LoadRoot(r1, Heap::kFunctionContextMapRootIndex);
   __ mov(r2, Operand(Smi::FromInt(length)));
   __ str(r2, FieldMemOperand(r0, FixedArray::kLengthOffset));
   __ str(r1, FieldMemOperand(r0, HeapObject::kMapOffset));
 
   // Set up the fixed slots, copy the global object from the previous context.
-  __ ldr(r2, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
+  __ ldr(r2, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
   __ mov(r1, Operand(Smi::FromInt(0)));
   __ str(r3, MemOperand(r0, Context::SlotOffset(Context::CLOSURE_INDEX)));
   __ str(cp, MemOperand(r0, Context::SlotOffset(Context::PREVIOUS_INDEX)));
   __ str(r1, MemOperand(r0, Context::SlotOffset(Context::EXTENSION_INDEX)));
-  __ str(r2, MemOperand(r0, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
+  __ str(r2, MemOperand(r0, Context::SlotOffset(Context::GLOBAL_INDEX)));
 
   // Initialize the rest of the slots to undefined.
   __ LoadRoot(r1, Heap::kUndefinedValueRootIndex);
   for (int i = Context::MIN_CONTEXT_SLOTS; i < length; i++) {
     __ str(r1, MemOperand(r0, Context::SlotOffset(i)));
   }
 
   // Remove the on-stack argument and return.
   __ mov(cp, r0);
   __ pop();
@@ skipping 22 matching lines @@
 
   // Load the serialized scope info from the stack.
   __ ldr(r1, MemOperand(sp, 1 * kPointerSize));
 
   // Set up the object header.
   __ LoadRoot(r2, Heap::kBlockContextMapRootIndex);
   __ str(r2, FieldMemOperand(r0, HeapObject::kMapOffset));
   __ mov(r2, Operand(Smi::FromInt(length)));
   __ str(r2, FieldMemOperand(r0, FixedArray::kLengthOffset));
 
-  // If this block context is nested in the native context we get a smi
+  // If this block context is nested in the global context we get a smi
   // sentinel instead of a function. The block context should get the
-  // canonical empty function of the native context as its closure which
+  // canonical empty function of the global context as its closure which
   // we still have to look up.
   Label after_sentinel;
   __ JumpIfNotSmi(r3, &after_sentinel);
   if (FLAG_debug_code) {
     const char* message = "Expected 0 as a Smi sentinel";
     __ cmp(r3, Operand::Zero());
     __ Assert(eq, message);
   }
   __ ldr(r3, GlobalObjectOperand());
-  __ ldr(r3, FieldMemOperand(r3, GlobalObject::kNativeContextOffset));
+  __ ldr(r3, FieldMemOperand(r3, GlobalObject::kGlobalContextOffset));
   __ ldr(r3, ContextOperand(r3, Context::CLOSURE_INDEX));
   __ bind(&after_sentinel);
 
   // Set up the fixed slots, copy the global object from the previous context.
-  __ ldr(r2, ContextOperand(cp, Context::GLOBAL_OBJECT_INDEX));
+  __ ldr(r2, ContextOperand(cp, Context::GLOBAL_INDEX));
   __ str(r3, ContextOperand(r0, Context::CLOSURE_INDEX));
   __ str(cp, ContextOperand(r0, Context::PREVIOUS_INDEX));
   __ str(r1, ContextOperand(r0, Context::EXTENSION_INDEX));
-  __ str(r2, ContextOperand(r0, Context::GLOBAL_OBJECT_INDEX));
+  __ str(r2, ContextOperand(r0, Context::GLOBAL_INDEX));
 
   // Initialize the rest of the slots to the hole value.
   __ LoadRoot(r1, Heap::kTheHoleValueRootIndex);
   for (int i = 0; i < slots_; i++) {
     __ str(r1, ContextOperand(r0, i + Context::MIN_CONTEXT_SLOTS));
   }
 
   // Remove the on-stack argument and return.
   __ mov(cp, r0);
   __ add(sp, sp, Operand(2 * kPointerSize));
@@ skipping 4175 matching lines @@
   __ add(r9, r9, Operand(FixedArray::kHeaderSize));
 
   // 3. Arguments object.
   __ add(r9, r9, Operand(Heap::kArgumentsObjectSize));
 
   // Do the allocation of all three objects in one go.
   __ AllocateInNewSpace(r9, r0, r3, r4, &runtime, TAG_OBJECT);
 
   // r0 = address of new object(s) (tagged)
   // r2 = argument count (tagged)
-  // Get the arguments boilerplate from the current native context into r4.
+  // Get the arguments boilerplate from the current (global) context into r4.
   const int kNormalOffset =
       Context::SlotOffset(Context::ARGUMENTS_BOILERPLATE_INDEX);
   const int kAliasedOffset =
       Context::SlotOffset(Context::ALIASED_ARGUMENTS_BOILERPLATE_INDEX);
 
-  __ ldr(r4, MemOperand(r8, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
-  __ ldr(r4, FieldMemOperand(r4, GlobalObject::kNativeContextOffset));
+  __ ldr(r4, MemOperand(r8, Context::SlotOffset(Context::GLOBAL_INDEX)));
+  __ ldr(r4, FieldMemOperand(r4, GlobalObject::kGlobalContextOffset));
   __ cmp(r1, Operand::Zero());
   __ ldr(r4, MemOperand(r4, kNormalOffset), eq);
   __ ldr(r4, MemOperand(r4, kAliasedOffset), ne);
 
   // r0 = address of new object (tagged)
   // r1 = mapped parameter count (tagged)
   // r2 = argument count (tagged)
   // r4 = address of boilerplate object (tagged)
   // Copy the JS object part.
   for (int i = 0; i < JSObject::kHeaderSize; i += kPointerSize) {
@@ skipping 152 matching lines @@
 
   // Do the allocation of both objects in one go.
   __ AllocateInNewSpace(r1,
                         r0,
                         r2,
                         r3,
                         &runtime,
                         static_cast<AllocationFlags>(TAG_OBJECT |
                                                      SIZE_IN_WORDS));
 
-  // Get the arguments boilerplate from the current native context.
-  __ ldr(r4, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
-  __ ldr(r4, FieldMemOperand(r4, GlobalObject::kNativeContextOffset));
+  // Get the arguments boilerplate from the current (global) context.
+  __ ldr(r4, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
+  __ ldr(r4, FieldMemOperand(r4, GlobalObject::kGlobalContextOffset));
   __ ldr(r4, MemOperand(r4, Context::SlotOffset(
       Context::STRICT_MODE_ARGUMENTS_BOILERPLATE_INDEX)));
 
   // Copy the JS object part.
   __ CopyFields(r0, r4, r3.bit(), JSObject::kHeaderSize / kPointerSize);
 
   // Get the length (smi tagged) and set that as an in-object property too.
   STATIC_ASSERT(Heap::kArgumentsLengthIndex == 0);
   __ ldr(r1, MemOperand(sp, 0 * kPointerSize));
   __ str(r1, FieldMemOperand(r0, JSObject::kHeaderSize +
@@ skipping 494 matching lines @@
       &slowcase,
       static_cast<AllocationFlags>(TAG_OBJECT | SIZE_IN_WORDS));
   // r0: Start of allocated area, object-tagged.
   // r1: Number of elements in array, as smi.
   // r5: Number of elements, untagged.
 
   // Set JSArray map to global.regexp_result_map().
   // Set empty properties FixedArray.
   // Set elements to point to FixedArray allocated right after the JSArray.
   // Interleave operations for better latency.
-  __ ldr(r2, ContextOperand(cp, Context::GLOBAL_OBJECT_INDEX));
+  __ ldr(r2, ContextOperand(cp, Context::GLOBAL_INDEX));
   __ add(r3, r0, Operand(JSRegExpResult::kSize));
   __ mov(r4, Operand(factory->empty_fixed_array()));
-  __ ldr(r2, FieldMemOperand(r2, GlobalObject::kNativeContextOffset));
+  __ ldr(r2, FieldMemOperand(r2, GlobalObject::kGlobalContextOffset));
   __ str(r3, FieldMemOperand(r0, JSObject::kElementsOffset));
   __ ldr(r2, ContextOperand(r2, Context::REGEXP_RESULT_MAP_INDEX));
   __ str(r4, FieldMemOperand(r0, JSObject::kPropertiesOffset));
   __ str(r2, FieldMemOperand(r0, HeapObject::kMapOffset));
 
   // Set input, index and length fields from arguments.
   __ ldr(r1, MemOperand(sp, kPointerSize * 0));
   __ ldr(r2, MemOperand(sp, kPointerSize * 1));
   __ ldr(r6, MemOperand(sp, kPointerSize * 2));
   __ str(r1, FieldMemOperand(r0, JSRegExpResult::kInputOffset));
@@ skipping 85 matching lines @@
   // function stub.
   if (ReceiverMightBeImplicit()) {
     Label call;
     // Get the receiver from the stack.
     // function, receiver [, arguments]
     __ ldr(r4, MemOperand(sp, argc_ * kPointerSize));
     // Call as function is indicated with the hole.
     __ CompareRoot(r4, Heap::kTheHoleValueRootIndex);
     __ b(ne, &call);
     // Patch the receiver on the stack with the global receiver object.
-    __ ldr(r3,
-           MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
+    __ ldr(r3, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
     __ ldr(r3, FieldMemOperand(r3, GlobalObject::kGlobalReceiverOffset));
     __ str(r3, MemOperand(sp, argc_ * kPointerSize));
     __ bind(&call);
   }
 
   // Check that the function is really a JavaScript function.
   // r1: pushed function (to be verified)
   __ JumpIfSmi(r1, &non_function);
   // Get the map of the function object.
   __ CompareObjectType(r1, r3, r3, JS_FUNCTION_TYPE);
@@ skipping 2285 matching lines @@
 
   __ Pop(lr, r5, r1);
   __ Ret();
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM