First step toward deoptimization using deoptimization info: splits deoptimization into two steps: c…

runtime/vm/isolate.h

Index: runtime/vm/isolate.h
===================================================================
--- runtime/vm/isolate.h	(revision 10031)
+++ runtime/vm/isolate.h	(working copy)
@@ -214,6 +214,18 @@
     return shutdown_callback_;
   }
 
+  intptr_t* deopt_registers_copy() const { return deopt_registers_copy_; }
+  void set_deopt_registers_copy(intptr_t* value) {
+    deopt_registers_copy_ = value;
+  }
+  intptr_t* deopt_frame_copy() const { return deopt_frame_copy_; }
+  void SetDeoptFrameCopy(intptr_t* value, intptr_t size) {

[siva, 2012/07/31 01:59:12]

set_deopt_frame_copy to be consistent?

[srdjan, 2012/07/31 16:21:28]

This is not a simple setter, therefore it cannot be named  set_deopt_frame_copy

+    ASSERT((value == NULL) || (size > 0));
+    deopt_frame_copy_ = value;
+    deopt_frame_copy_size_ = size;
+  }
+  intptr_t deopt_frame_copy_size() const { return deopt_frame_copy_size_; }
+
  private:
   Isolate();
 
@@ -253,6 +265,10 @@
   uword spawn_data_;
   GcPrologueCallbacks gc_prologue_callbacks_;
   GcEpilogueCallbacks gc_epilogue_callbacks_;
+  // Deoptimization support.
+  intptr_t* deopt_registers_copy_;
+  intptr_t* deopt_frame_copy_;
+  intptr_t deopt_frame_copy_size_;
 
   static Dart_IsolateCreateCallback create_callback_;
   static Dart_IsolateInterruptCallback interrupt_callback_;