Load predefined symbols address via Thread.

runtime/vm/object.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 "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 11022 matching lines @@
 
   RuntimeFunctionId rt_id = RuntimeEntry::RuntimeFunctionIdFromAddress(addr);
   if (rt_id != kNoRuntimeFunctionId) {
     return "runtime entry";
   }
 
   if (addr == NativeEntry::LinkNativeCallLabel().address()) {
     return "link native";
   }
 
-  if (addr == reinterpret_cast<uword>(Symbols::PredefinedAddress())) {
-    return "predefined symbols";
-  }
-
   return "UNKNOWN";
 }
 
 
 void ObjectPool::DebugPrint() const {
   ISL_Print("Object Pool: {\n");
   for (intptr_t i = 0; i < Length(); i++) {
     intptr_t offset = OffsetFromIndex(i);
     ISL_Print("  %" Pd " PP+0x%" Px ": ", i, offset);
     if (InfoAt(i) == kTaggedObject) {
@@ skipping 10451 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 
 }  // namespace dart