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// 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(kVisitSlicedString,
&FixedBodyVisitor<StaticVisitor,
SlicedString::BodyDescriptor,
int>::Visit);
table_.Register(kVisitFixedArray,
&FlexibleBodyVisitor<StaticVisitor,
FixedArray::BodyDescriptor,
int>::Visit);
table_.Register(kVisitFixedDoubleArray, &VisitFixedDoubleArray);
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_.Register(kVisitFreeSpace, &VisitFreeSpace);
table_.Register(kVisitJSWeakMap, &JSObjectVisitor::Visit);
table_.Register(kVisitJSRegExp, &JSObjectVisitor::Visit);
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);
// There are two places where we iterate code bodies: here and the
// templated CodeIterateBody (below). They should be kept in sync.
IteratePointer(v, kRelocationInfoOffset);
IteratePointer(v, kHandlerTableOffset);
IteratePointer(v, kDeoptimizationDataOffset);
IteratePointer(v, kTypeFeedbackInfoOffset);
RelocIterator it(this, mode_mask);
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);
// There are two places where we iterate code bodies: here and the
// non-templated CodeIterateBody (above). They should be kept in sync.
StaticVisitor::VisitPointer(
heap,
reinterpret_cast<Object**>(this->address() + kRelocationInfoOffset));
StaticVisitor::VisitPointer(
heap,
reinterpret_cast<Object**>(this->address() + kHandlerTableOffset));
StaticVisitor::VisitPointer(
heap,
reinterpret_cast<Object**>(this->address() + kDeoptimizationDataOffset));
StaticVisitor::VisitPointer(
heap,
reinterpret_cast<Object**>(this->address() + kTypeFeedbackInfoOffset));
RelocIterator it(this, mode_mask);
for (; !it.done(); it.next()) {
it.rinfo()->template Visit<StaticVisitor>(heap);
}
}
} } // namespace v8::internal
#endif // V8_OBJECTS_VISITING_INL_H_
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