diff -r 000000000000 -r 6474c204b198 js/src/jit/IonInstrumentation.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit/IonInstrumentation.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef jit_IonInstrumentatjit_h
+#define jit_IonInstrumentatjit_h
+
+namespace js {
+
+class SPSProfiler;
+
+namespace jit {
+
+class MacroAssembler;
+
+typedef SPSInstrumentation<MacroAssembler, Register> BaseInstrumentation;
+
+class IonInstrumentation : public BaseInstrumentation
+{
+    jsbytecode **trackedPc_;
+
+  public:
+    IonInstrumentation(SPSProfiler *profiler, jsbytecode **pc)
+      : BaseInstrumentation(profiler),
+        trackedPc_(pc)
+    {
+        JS_ASSERT(pc != nullptr);
+    }
+
+    void leave(MacroAssembler &masm, Register reg, bool inlinedFunction = false) {
+        BaseInstrumentation::leave(*trackedPc_, masm, reg, inlinedFunction);
+    }
+
+    bool enterInlineFrame() {
+        return BaseInstrumentation::enterInlineFrame(*trackedPc_);
+    }
+};
+
+} // namespace jit
+} // namespace js
+
+#endif /* jit_IonInstrumentatjit_h */