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Diffstat (limited to 'deps/v8/src/objects-visiting-inl.h')
-rw-r--r-- | deps/v8/src/objects-visiting-inl.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/deps/v8/src/objects-visiting-inl.h b/deps/v8/src/objects-visiting-inl.h new file mode 100644 index 0000000000..6f0f61d351 --- /dev/null +++ b/deps/v8/src/objects-visiting-inl.h @@ -0,0 +1,143 @@ +// 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); + + IteratePointer(v, kRelocationInfoOffset); + IteratePointer(v, kDeoptimizationDataOffset); + + 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); + + StaticVisitor::VisitPointer( + heap, + reinterpret_cast<Object**>(this->address() + kRelocationInfoOffset)); + StaticVisitor::VisitPointer( + heap, + reinterpret_cast<Object**>(this->address() + kDeoptimizationDataOffset)); + + 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_ |