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