Implement safepointing of threads

runtime/vm/dart_entry.cc

 // 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.
 
 #include "vm/dart_entry.h"
 
 #include "vm/class_finalizer.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
 #include "vm/debugger.h"
 #include "vm/object_store.h"
 #include "vm/resolver.h"
+#include "vm/safepoint.h"
 #include "vm/simulator.h"
 #include "vm/stub_code.h"
 #include "vm/symbols.h"
 
 namespace dart {
 
 DECLARE_FLAG(bool, lazy_dispatchers);
 
 // A cache of VM heap allocated arguments descriptors.
 RawArray* ArgumentsDescriptor::cached_args_descriptors_[kCachedDescriptorCount];
@@ skipping 83 matching lines @@
     }
   }
   // Now Call the invoke stub which will invoke the dart function.
   invokestub entrypoint = reinterpret_cast<invokestub>(
       StubCode::InvokeDartCode_entry()->EntryPoint());
   const Code& code = Code::Handle(zone, function.CurrentCode());
   ASSERT(!code.IsNull());
   ASSERT(thread->no_callback_scope_depth() == 0);
   ScopedIsolateStackLimits stack_limit(thread);
   SuspendLongJumpScope suspend_long_jump_scope(thread);
+  TransitionToGenerated transition(thread);
 #if defined(USING_SIMULATOR)
   return bit_copy<RawObject*, int64_t>(Simulator::Current()->Call(
       reinterpret_cast<intptr_t>(entrypoint),
       reinterpret_cast<intptr_t>(&code),
       reinterpret_cast<intptr_t>(&arguments_descriptor),
       reinterpret_cast<intptr_t>(&arguments),
       reinterpret_cast<intptr_t>(thread)));
 #else
   return entrypoint(code,
                     arguments_descriptor,
@@ skipping 466 matching lines @@
   const Array& args = Array::Handle(Array::New(kNumArguments));
   args.SetAt(0, map);
   args.SetAt(1, key);
   args.SetAt(2, value);
   const Object& result = Object::Handle(DartEntry::InvokeFunction(function,
                                                                   args));
   return result.raw();
 }
 
 }  // namespace dart