ARM: Implement DoInstanceOfKnownGlobal stub

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
===================================================================
--- src/arm/macro-assembler-arm.h	(revision 6336)
+++ src/arm/macro-assembler-arm.h	(working copy)
@@ -234,8 +234,9 @@
   void PopSafepointRegisters();
   void PushSafepointRegistersAndDoubles();
   void PopSafepointRegistersAndDoubles();
-
+  void StoreToSafepointRegisters(Register reg);
   static int SafepointRegisterStackIndex(int reg_code);
+  static MemOperand SafepointRegisterSlot(Register reg);
 
   // Load two consecutive registers with two consecutive memory locations.
   void Ldrd(Register dst1,
@@ -776,6 +777,15 @@
                                               Label* failure);
 
 
+  // ---------------------------------------------------------------------------
+  // Patching helpers.
+
+  // Get the location of a relocated constant (its address in the constant pool)
+  // from its load site.
+  void GetRelocatedValueLocation(Register ldr_location,
+                                 Register result);
+
+
  private:
   void Jump(intptr_t target, RelocInfo::Mode rmode, Condition cond = al);
   void Call(intptr_t target, RelocInfo::Mode rmode, Condition cond = al);