[Isolates] Merge crankshaft (r5922 from bleeding_edge).

src/arm/assembler-arm-inl.h

Index: src/arm/assembler-arm-inl.h
diff --git a/src/arm/assembler-arm-inl.h b/src/arm/assembler-arm-inl.h
index b31947cc44a4fb197ee261ed432dc9488ab580e9..795dab21e8c26015352730a4aa8ae25e79048109 100644
--- a/src/arm/assembler-arm-inl.h
+++ b/src/arm/assembler-arm-inl.h
@@ -110,6 +110,30 @@ Address* RelocInfo::target_reference_address() {
 }
 
 
+Handle<JSGlobalPropertyCell> RelocInfo::target_cell_handle() {
+  ASSERT(rmode_ == RelocInfo::GLOBAL_PROPERTY_CELL);
+  Address address = Memory::Address_at(pc_);
+  return Handle<JSGlobalPropertyCell>(
+      reinterpret_cast<JSGlobalPropertyCell**>(address));
+}
+
+
+JSGlobalPropertyCell* RelocInfo::target_cell() {
+  ASSERT(rmode_ == RelocInfo::GLOBAL_PROPERTY_CELL);
+  Address address = Memory::Address_at(pc_);
+  Object* object = HeapObject::FromAddress(
+      address - JSGlobalPropertyCell::kValueOffset);
+  return reinterpret_cast<JSGlobalPropertyCell*>(object);
+}
+
+
+void RelocInfo::set_target_cell(JSGlobalPropertyCell* cell) {
+  ASSERT(rmode_ == RelocInfo::GLOBAL_PROPERTY_CELL);
+  Address address = cell->address() + JSGlobalPropertyCell::kValueOffset;
+  Memory::Address_at(pc_) = address;
+}
+
+
 Address RelocInfo::call_address() {
   // The 2 instructions offset assumes patched debug break slot or return
   // sequence.