Call a stub for the write barrier on ARM. This is a step

src/ia32/macro-assembler-ia32.h

 // Copyright 2011 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 81 matching lines @@
                      Condition cc,
                      Label* condition_met,
                      Label::Distance condition_met_distance = Label::kFar);
 
   void InNewSpace(Register object,
                   Register scratch,
                   Condition cc,
                   Label* condition_met,
                   Label::Distance condition_met_distance = Label::kFar);
 
-  // Check if an object has a given incremental marking colour.  Also uses ecx!
-  // The colour bits are found by splitting the address at the bit offset
+  // Check if an object has a given incremental marking color.  Also uses ecx!
+  // The color bits are found by splitting the address at the bit offset
   // indicated by the mask: bits that are zero in the mask are used for the
   // address of the bitmap, and bits that are one in the mask are used for the
   // index of the bit.
-  void HasColour(Register object,
-                 Register scratch0,
-                 Register scratch1,
-                 Label* has_colour,
-                 Label::Distance has_colour_distance,
-                 int first_bit,
-                 int second_bit);
+  void HasColor(Register object,
+                Register scratch0,
+                Register scratch1,
+                Label* has_color,
+                Label::Distance has_color_distance,
+                int first_bit,
+                int second_bit);
 
   void IsBlack(Register object,
                Register scratch0,
                Register scratch1,
                Label* is_black,
                Label::Distance is_black_distance = Label::kFar);
 
-  // Checks the colour of an object.  If the object is already grey or black
+  // Checks the color of an object.  If the object is already grey or black
   // then we just fall through, since it is already live.  If it is white and
   // we can determine that it doesn't need to be scanned, then we just mark it
   // black and fall through.  For the rest we jump to the label so the
   // incremental marker can fix its assumptions.
   void EnsureNotWhite(Register object,
                       Register scratch1,
                       Register scratch2,
                       Label* object_is_white_and_not_data,
                       Label::Distance distance);
 
@@ skipping 649 matching lines @@
   // NULL if gc_allowed.  Does not perform a GC if !gc_allowed, and
   // possibly returns a failure object indicating an allocation failure.
   MUST_USE_RESULT MaybeObject* PopHandleScopeHelper(Register saved,
                                                     Register scratch,
                                                     bool gc_allowed);
 
   // Helper for finding the mark bits for an address.  Afterwards, the
   // bitmap register points at the word with the mark bits and the mask
   // the position of the first bit.  Uses ecx as scratch and leaves addr_reg
   // unchanged.
-  inline void MarkBits(Register addr_reg,
-                       Register bitmap_reg,
-                       Register mask_reg);
+  inline void GetMarkBits(Register addr_reg,
+                          Register bitmap_reg,
+                          Register mask_reg);
 
   // Compute memory operands for safepoint stack slots.
   Operand SafepointRegisterSlot(Register reg);
   static int SafepointRegisterStackIndex(int reg_code);
 
   // Needs access to SafepointRegisterStackIndex for optimized frame
   // traversal.
   friend class OptimizedFrame;
 };
 
@@ skipping 68 matching lines @@
   }                                                                       \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_MACRO_ASSEMBLER_IA32_H_