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

src/ia32/macro-assembler-ia32.cc

 // 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 2276 matching lines @@
   }
   j(cc, condition_met, condition_met_near);
 }
 
 
 void MacroAssembler::IsBlack(Register object,
                              Register scratch0,
                              Register scratch1,
                              Label* is_black,
                              Label::Distance is_black_near) {
-  HasColour(object, scratch0, scratch1,
-            is_black, is_black_near,
-            1, 0);  // kBlackBitPattern.
+  HasColor(object, scratch0, scratch1,
+           is_black, is_black_near,
+           1, 0);  // kBlackBitPattern.
   ASSERT(strcmp(Marking::kBlackBitPattern, "10") == 0);
 }
 
 
-void MacroAssembler::HasColour(Register object,
-                               Register bitmap_scratch,
-                               Register mask_scratch,
-                               Label* has_colour,
-                               Label::Distance has_colour_distance,
-                               int first_bit,
-                               int second_bit) {
+void MacroAssembler::HasColor(Register object,
+                              Register bitmap_scratch,
+                              Register mask_scratch,
+                              Label* has_color,
+                              Label::Distance has_color_distance,
+                              int first_bit,
+                              int second_bit) {
   ASSERT(!Aliasing(object, bitmap_scratch, mask_scratch, ecx));
 
-  MarkBits(object, bitmap_scratch, mask_scratch);
+  GetMarkBits(object, bitmap_scratch, mask_scratch);
 
-  Label other_colour, word_boundary;
+  Label other_color, word_boundary;
   test(mask_scratch, Operand(bitmap_scratch, MemoryChunk::kHeaderSize));
-  j(first_bit == 1 ? zero : not_zero, &other_colour, Label::kNear);
+  j(first_bit == 1 ? zero : not_zero, &other_color, Label::kNear);
   add(mask_scratch, Operand(mask_scratch));  // Shift left 1 by adding.
   j(zero, &word_boundary, Label::kNear);
   test(mask_scratch, Operand(bitmap_scratch, MemoryChunk::kHeaderSize));
-  j(second_bit == 1 ? not_zero : zero, has_colour, has_colour_distance);
-  jmp(&other_colour, Label::kNear);
+  j(second_bit == 1 ? not_zero : zero, has_color, has_color_distance);
+  jmp(&other_color, Label::kNear);
 
   bind(&word_boundary);
   test_b(Operand(bitmap_scratch, MemoryChunk::kHeaderSize + kPointerSize), 1);
 
-  j(second_bit == 1 ? not_zero : zero, has_colour, has_colour_distance);
-  bind(&other_colour);
+  j(second_bit == 1 ? not_zero : zero, has_color, has_color_distance);
+  bind(&other_color);
 }
 
 
 void MacroAssembler::IsDataObject(Register value,
                                   Register scratch,
                                   Label* not_data_object,
                                   Label::Distance not_data_object_distance) {
   Label is_data_object;
   mov(scratch, FieldOperand(value, HeapObject::kMapOffset));
   cmp(scratch, FACTORY->heap_number_map());
   j(equal, &is_data_object, Label::kNear);
   ASSERT(kConsStringTag == 1 && kIsConsStringMask == 1);
   ASSERT(kNotStringTag == 0x80 && kIsNotStringMask == 0x80);
   // If it's a string and it's not a cons string then it's an object that
   // doesn't need scanning.
   test_b(FieldOperand(scratch, Map::kInstanceTypeOffset),
          kIsConsStringMask | kIsNotStringMask);
   // Jump if we need to mark it grey and push it.
   j(not_zero, not_data_object, not_data_object_distance);
   bind(&is_data_object);
 }
 
 
-void MacroAssembler::MarkBits(Register addr_reg,
-                              Register bitmap_reg,
-                              Register mask_reg) {
+void MacroAssembler::GetMarkBits(Register addr_reg,
+                                 Register bitmap_reg,
+                                 Register mask_reg) {
   ASSERT(!Aliasing(addr_reg, bitmap_reg, mask_reg, ecx));
   mov(bitmap_reg, Operand(addr_reg));
   and_(bitmap_reg, ~Page::kPageAlignmentMask);
   mov(ecx, Operand(addr_reg));
   shr(ecx, Bitmap::kBitsPerCellLog2);
   and_(ecx,
        (Page::kPageAlignmentMask >> Bitmap::kBitsPerCellLog2) &
            ~(kPointerSize - 1));
 
   add(bitmap_reg, Operand(ecx));
   mov(ecx, Operand(addr_reg));
   shr(ecx, kPointerSizeLog2);
   and_(ecx, (1 << Bitmap::kBitsPerCellLog2) - 1);
   mov(mask_reg, Immediate(1));
   shl_cl(mask_reg);
 }
 
 
 void MacroAssembler::EnsureNotWhite(
     Register value,
     Register bitmap_scratch,
     Register mask_scratch,
     Label* value_is_white_and_not_data,
     Label::Distance distance) {
   ASSERT(!Aliasing(value, bitmap_scratch, mask_scratch, ecx));
-  MarkBits(value, bitmap_scratch, mask_scratch);
+  GetMarkBits(value, bitmap_scratch, mask_scratch);
 
   // If the value is black or grey we don't need to do anything.
   ASSERT(strcmp(Marking::kWhiteBitPattern, "00") == 0);
   ASSERT(strcmp(Marking::kBlackBitPattern, "10") == 0);
   ASSERT(strcmp(Marking::kGreyBitPattern, "11") == 0);
   ASSERT(strcmp(Marking::kImpossibleBitPattern, "01") == 0);
 
   Label done;
 
   // Since both black and grey have a 1 in the first position and white does
@@ skipping 19 matching lines @@
 
   // Value is a data object, and it is white.  Mark it black.  Since we know
   // that the object is white we can make it black by flipping one bit.
   or_(Operand(bitmap_scratch, MemoryChunk::kHeaderSize), mask_scratch);
   bind(&done);
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32