diff --git a/compiler/optimizing/code_generator_arm.h b/compiler/optimizing/code_generator_arm.h
index 4b03dff..47d81ff 100644
--- a/compiler/optimizing/code_generator_arm.h
+++ b/compiler/optimizing/code_generator_arm.h
@@ -39,6 +39,14 @@
     { S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15 };
 static constexpr size_t kParameterFpuRegistersLength = arraysize(kParameterFpuRegisters);
 
+static constexpr Register kArtMethodRegister = R0;
+
+static constexpr DRegister FromLowSToD(SRegister reg) {
+  return DCHECK_CONSTEXPR(reg % 2 == 0, , D0)
+      static_cast<DRegister>(reg / 2);
+}
+
+
 class InvokeDexCallingConvention : public CallingConvention<Register, SRegister> {
  public:
   InvokeDexCallingConvention()
@@ -90,6 +98,20 @@
   DISALLOW_COPY_AND_ASSIGN(ParallelMoveResolverARM);
 };
 
+class SlowPathCodeARM : public SlowPathCode {
+ public:
+  SlowPathCodeARM() : entry_label_(), exit_label_() {}
+
+  Label* GetEntryLabel() { return &entry_label_; }
+  Label* GetExitLabel() { return &exit_label_; }
+
+ private:
+  Label entry_label_;
+  Label exit_label_;
+
+  DISALLOW_COPY_AND_ASSIGN(SlowPathCodeARM);
+};
+
 class LocationsBuilderARM : public HGraphVisitor {
  public:
   LocationsBuilderARM(HGraph* graph, CodeGeneratorARM* codegen)
@@ -249,6 +271,8 @@
 
   Label* GetFrameEntryLabel() { return &frame_entry_label_; }
 
+  void GenerateStaticOrDirectCall(HInvokeStaticOrDirect* invoke, Register temp);
+
  private:
   // Labels for each block that will be compiled.
   GrowableArray<Label> block_labels_;