Second step in allocating objects in generated code on ARM

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
===================================================================
--- src/arm/macro-assembler-arm.h	(revision 2828)
+++ src/arm/macro-assembler-arm.h	(working copy)
@@ -1,4 +1,4 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Copyright 2006-2009 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:
@@ -67,6 +67,18 @@
 };
 
 
+// Flags used for the AllocateObjectInNewSpace functions.
+enum AllocationFlags {
+  // No special flags.
+  NO_ALLOCATION_FLAGS = 0,
+  // Return the pointer to the allocated already tagged as a heap object.
+  TAG_OBJECT = 1 << 0,
+  // The content of the result register already contains the allocation top in
+  // new space.
+  RESULT_CONTAINS_TOP = 1 << 1
+};
+
+
 // MacroAssembler implements a collection of frequently used macros.
 class MacroAssembler: public Assembler {
  public:
@@ -199,13 +211,13 @@
                                 Register scratch1,
                                 Register scratch2,
                                 Label* gc_required,
-                                bool tag_allocated_object);
+                                AllocationFlags flags);
   void AllocateObjectInNewSpace(Register object_size,
                                 Register result,
                                 Register scratch1,
                                 Register scratch2,
                                 Label* gc_required,
-                                bool tag_allocated_object);
+                                AllocationFlags flags);
 
   // Undo allocation in new space. The object passed and objects allocated after
   // it will no longer be allocated. The caller must make sure that no pointers