Simplify representation of stack frames. Remove the special types DartFrame/StubFrame and instead u…

vm/stub_code.h

 // Copyright (c) 2011, 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_STUB_CODE_H_
 #define VM_STUB_CODE_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 
 namespace dart {
 
 // Forward declarations.
 class Code;
 class Isolate;
 class ObjectPointerVisitor;
 class RawCode;
 
 
 // List of stubs created in the VM isolate, these stubs are shared by different
 // isolates running in this dart process.
 #define VM_STUB_CODE_LIST(V)                                                   \
-  V(DartCallToRuntime)                                                         \
-  V(StubCallToRuntime)                                                         \
+  V(CallToRuntime)                                                             \
   V(PrintStopMessage)                                                          \
   V(CallNativeCFunction)                                                       \
   V(AllocateArray)                                                             \
   V(CallNoSuchMethodFunction)                                                  \
   V(MegamorphicLookup)                                                         \
   V(CallStaticFunction)                                                        \
   V(CallClosureFunction)                                                       \
   V(FixCallersTarget)                                                          \
   V(Deoptimize)                                                                \
   V(BreakpointStatic)                                                          \
@@ skipping 60 matching lines @@
 
   // Generate all stubs which are generated on a per isolate basis as they
   // have embedded objects which are isolate specific.
   static void Init(Isolate* isolate);
 
   static void VisitObjectPointers(ObjectPointerVisitor* visitor);
 
   // Check if specified pc is in the dart invocation stub used for
   // transitioning into dart code.
   static bool InInvocationStub(uword pc);
-  // Check if specified pc is in StubCallToRuntime stub.
-  static bool InStubCallToRuntimeStubCode(uword pc);
 
   // Returns NULL if no stub found.
   static const char* NameOfStub(uword entry_point);
 
   // Define the shared stub code accessors.
 #define STUB_CODE_ACCESSOR(name)                                               \
   static StubEntry* name##_entry() {                                           \
     return name##_entry_;                                                      \
   }                                                                            \
   static const ExternalLabel& name##Label() {                                  \
@@ skipping 60 matching lines @@
                                              const Class& cls);
   static void GenerateAllocationStubForClosure(Assembler* assembler,
                                                const Function& func);
   static void GenerateNArgsCheckInlineCacheStub(Assembler* assembler,
                                                 intptr_t num_args);
 };
 
 }  // namespace dart
 
 #endif  // VM_STUB_CODE_H_