Clean up CodeObservers

runtime/vm/dart_api_impl.cc

 // 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.
 
 #include "include/dart_api.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart.h"
@@ skipping 4411 matching lines @@
   DARTSCOPE(isolate);
   const Library& lib = Api::UnwrapLibraryHandle(isolate, library);
   if (lib.IsNull()) {
     RETURN_TYPE_ERROR(isolate, library, Library);
   }
   lib.set_native_entry_resolver(resolver);
   return Api::Success(isolate);
 }
 
 
-// --- Profiling support ----
+// --- Profiling support ---
 
+// TODO(7565): Dartium should use the new VM flag "generate_pprof_symbols" for
+// pprof profiling. Then these symbols should be removed.
 
-DART_EXPORT void Dart_InitPprofSupport() {
-  DebugInfo* pprof_symbol_generator = DebugInfo::NewGenerator();
-  ASSERT(pprof_symbol_generator != NULL);
-  Dart::set_pprof_symbol_generator(pprof_symbol_generator);
+DART_EXPORT void Dart_InitPprofSupport() { }
+
+DART_EXPORT void Dart_GetPprofSymbolInfo(void** buffer, int* buffer_size) {
+  *buffer = NULL;
+  *buffer_size = 0;
 }
 
 
-DART_EXPORT void Dart_GetPprofSymbolInfo(void** buffer, int* buffer_size) {
-  Isolate* isolate = Isolate::Current();
-  DebugInfo* pprof_symbol_generator = Dart::pprof_symbol_generator();
-  if (pprof_symbol_generator != NULL) {
-    DebugInfo::ByteBuffer* debug_region = new DebugInfo::ByteBuffer();
-    ASSERT(debug_region != NULL);
-    pprof_symbol_generator->WriteToMemory(debug_region);
-    *buffer_size = debug_region->size();
-    if (*buffer_size != 0) {
-      Zone* zone = Api::TopScope(isolate)->zone();
-      *buffer = reinterpret_cast<void*>(zone->AllocUnsafe(*buffer_size));
-      memmove(*buffer, debug_region->data(), *buffer_size);
-    } else {
-      *buffer = NULL;
-    }
-    delete debug_region;
-  } else {
-    *buffer = NULL;
-    *buffer_size = 0;
-  }
-}
-
 // --- Peer support ---
 
 
 DART_EXPORT Dart_Handle Dart_GetPeer(Dart_Handle object, void** peer) {
   if (peer == NULL) {
     RETURN_NULL_ERROR(peer);
   }
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   const Object& obj = Object::Handle(isolate, Api::UnwrapHandle(object));
@@ skipping 22 matching lines @@
   }
   {
     NoGCScope no_gc;
     RawObject* raw_obj = obj.raw();
     isolate->heap()->SetPeer(raw_obj, peer);
   }
   return Api::Success(isolate);
 }
 
 }  // namespace dart