Make backing store for incremental marking deque non-static.

src/objects-visiting-inl.h

+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef V8_OBJECTS_VISITING_INL_H_
+#define V8_OBJECTS_VISITING_INL_H_
+
+
+namespace v8 {
+namespace internal {
+
+template<typename StaticVisitor>
+void StaticNewSpaceVisitor<StaticVisitor>::Initialize() {
+  table_.Register(kVisitShortcutCandidate,
+                  &FixedBodyVisitor<StaticVisitor,
+                  ConsString::BodyDescriptor,
+                  int>::Visit);
+
+  table_.Register(kVisitConsString,
+                  &FixedBodyVisitor<StaticVisitor,
+                  ConsString::BodyDescriptor,
+                  int>::Visit);
+
+  table_.Register(kVisitFixedArray,
+                  &FlexibleBodyVisitor<StaticVisitor,
+                  FixedArray::BodyDescriptor,
+                  int>::Visit);
+
+  table_.Register(kVisitGlobalContext,
+                  &FixedBodyVisitor<StaticVisitor,
+                  Context::ScavengeBodyDescriptor,
+                  int>::Visit);
+
+  table_.Register(kVisitByteArray, &VisitByteArray);
+
+  table_.Register(kVisitSharedFunctionInfo,
+                  &FixedBodyVisitor<StaticVisitor,
+                  SharedFunctionInfo::BodyDescriptor,
+                  int>::Visit);
+
+  table_.Register(kVisitSeqAsciiString, &VisitSeqAsciiString);
+
+  table_.Register(kVisitSeqTwoByteString, &VisitSeqTwoByteString);
+
+  table_.Register(kVisitJSFunction,
+                  &JSObjectVisitor::
+                      template VisitSpecialized<JSFunction::kSize>);
+
+  table_.template RegisterSpecializations<DataObjectVisitor,
+                                          kVisitDataObject,
+                                          kVisitDataObjectGeneric>();
+
+  table_.template RegisterSpecializations<JSObjectVisitor,
+                                          kVisitJSObject,
+                                          kVisitJSObjectGeneric>();
+  table_.template RegisterSpecializations<StructVisitor,
+                                          kVisitStruct,
+                                          kVisitStructGeneric>();
+}
+
+
+void Code::CodeIterateBody(ObjectVisitor* v) {
+  int mode_mask = RelocInfo::kCodeTargetMask |
+                  RelocInfo::ModeMask(RelocInfo::EMBEDDED_OBJECT) |
+                  RelocInfo::ModeMask(RelocInfo::GLOBAL_PROPERTY_CELL) |
+                  RelocInfo::ModeMask(RelocInfo::EXTERNAL_REFERENCE) |
+                  RelocInfo::ModeMask(RelocInfo::JS_RETURN) |
+                  RelocInfo::ModeMask(RelocInfo::DEBUG_BREAK_SLOT) |
+                  RelocInfo::ModeMask(RelocInfo::RUNTIME_ENTRY);
+
+  // Use the relocation info pointer before it is visited by
+  // the heap compaction in the next statement.
+  RelocIterator it(this, mode_mask);
+
+  IteratePointer(v, kRelocationInfoOffset);
+  IteratePointer(v, kDeoptimizationDataOffset);
+
+  for (; !it.done(); it.next()) {
+    it.rinfo()->Visit(v);
+  }
+}
+
+
+template<typename StaticVisitor>
+void Code::CodeIterateBody(Heap* heap) {
+  int mode_mask = RelocInfo::kCodeTargetMask |
+                  RelocInfo::ModeMask(RelocInfo::EMBEDDED_OBJECT) |
+                  RelocInfo::ModeMask(RelocInfo::GLOBAL_PROPERTY_CELL) |
+                  RelocInfo::ModeMask(RelocInfo::EXTERNAL_REFERENCE) |
+                  RelocInfo::ModeMask(RelocInfo::JS_RETURN) |
+                  RelocInfo::ModeMask(RelocInfo::DEBUG_BREAK_SLOT) |
+                  RelocInfo::ModeMask(RelocInfo::RUNTIME_ENTRY);
+
+  // Use the relocation info pointer before it is visited by
+  // the heap compaction in the next statement.
+  RelocIterator it(this, mode_mask);
+
+  StaticVisitor::VisitPointer(
+      heap,
+      reinterpret_cast<Object**>(this->address() + kRelocationInfoOffset));
+  StaticVisitor::VisitPointer(
+      heap,
+      reinterpret_cast<Object**>(this->address() + kDeoptimizationDataOffset));
+
+  for (; !it.done(); it.next()) {
+    it.rinfo()->template Visit<StaticVisitor>(heap);
+  }
+}
+
+
+} }  // namespace v8::internal
+
+#endif  // V8_OBJECTS_VISITING_INL_H_