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

runtime/vm/isolate.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/class_table.h"
@@ skipping 196 matching lines @@
     return interrupt_callback_;
   }
 
   static void SetShutdownCallback(Dart_IsolateShutdownCallback cb) {
     shutdown_callback_ = cb;
   }
   static Dart_IsolateShutdownCallback ShutdownCallback() {
     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();
 
   void BuildName(const char* name_prefix);
   void PrintInvokedFunctions();
 
   static uword GetSpecifiedStackSize();
 
   static const intptr_t kStackSizeBuffer = (16 * KB);
 
@@ skipping 19 matching lines @@
   intptr_t ast_node_id_;  // Deprecate.
   intptr_t computation_id_;
   RawArray* ic_data_array_;
   Mutex* mutex_;  // protects stack_limit_ and saved_stack_limit_.
   uword stack_limit_;
   uword saved_stack_limit_;
   MessageHandler* message_handler_;
   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_;
   static Dart_IsolateShutdownCallback shutdown_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(Isolate);
 };
 
 // When we need to execute code in an isolate, we use the
 // StartIsolateScope.
@@ skipping 55 matching lines @@
   Isolate* new_isolate_;
   Isolate* saved_isolate_;
   uword saved_stack_limit_;
 
   DISALLOW_COPY_AND_ASSIGN(SwitchIsolateScope);
 };
 
 }  // namespace dart
 
 #endif  // VM_ISOLATE_H_