VM: New calling convention for generated code.

runtime/vm/debugger.h

Index: runtime/vm/debugger.h
diff --git a/runtime/vm/debugger.h b/runtime/vm/debugger.h
index d143c7f639be31e56f45225ba7ef16fe24fd2680..0b22d521729e5b19e11c8aff9e92e7af4fd69998 100644
--- a/runtime/vm/debugger.h
+++ b/runtime/vm/debugger.h
@@ -178,7 +178,7 @@ class CodeBreakpoint {
   void Disable();
   bool IsEnabled() const { return is_enabled_; }
 
-  uword OrigStubAddress() const;
+  RawCode* OrigStubAddress() const;
 
  private:
   void VisitObjectPointers(ObjectPointerVisitor* visitor);
@@ -202,7 +202,7 @@ class CodeBreakpoint {
   CodeBreakpoint* next_;
 
   RawPcDescriptors::Kind breakpoint_kind_;
-  uword saved_value_;
+  RawCode* saved_value_;
 
   friend class Debugger;
   DISALLOW_COPY_AND_ASSIGN(CodeBreakpoint);
@@ -513,7 +513,7 @@ class Debugger {
   void SignalIsolateEvent(DebuggerEvent::EventType type);
   static void SignalIsolateInterrupted();
 
-  uword GetPatchedStubAddress(uword breakpoint_address);
+  RawCode* GetPatchedStubAddress(uword breakpoint_address);
 
   void PrintBreakpointsToJSONArray(JSONArray* jsarr) const;
   void PrintSettingsToJSONObject(JSONObject* jsobj) const;