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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_SRC_GC_MOD_UNION_TABLE_INL_H_
#define ART_SRC_GC_MOD_UNION_TABLE_INL_H_
#include "mod_union_table.h"
#include "gc/space/space.h"
namespace art {
namespace gc {
namespace accounting {
// A mod-union table to record image references to the Zygote and alloc space.
class ModUnionTableToZygoteAllocspace : public ModUnionTableReferenceCache {
public:
ModUnionTableToZygoteAllocspace(Heap* heap) : ModUnionTableReferenceCache(heap) {
}
bool AddReference(const mirror::Object* /* obj */, const mirror::Object* ref) {
const std::vector<space::ContinuousSpace*>& spaces = GetHeap()->GetContinuousSpaces();
typedef std::vector<space::ContinuousSpace*>::const_iterator It;
for (It it = spaces.begin(); it != spaces.end(); ++it) {
if ((*it)->Contains(ref)) {
return (*it)->IsDlMallocSpace();
}
}
// Assume it points to a large object.
// TODO: Check.
return true;
}
};
// A mod-union table to record Zygote references to the alloc space.
class ModUnionTableToAllocspace : public ModUnionTableReferenceCache {
public:
ModUnionTableToAllocspace(Heap* heap) : ModUnionTableReferenceCache(heap) {
}
bool AddReference(const mirror::Object* /* obj */, const mirror::Object* ref) {
const std::vector<space::ContinuousSpace*>& spaces = GetHeap()->GetContinuousSpaces();
typedef std::vector<space::ContinuousSpace*>::const_iterator It;
for (It it = spaces.begin(); it != spaces.end(); ++it) {
space::ContinuousSpace* space = *it;
if (space->Contains(ref)) {
// The allocation space is always considered for collection whereas the Zygote space is
//
return space->GetGcRetentionPolicy() == space::kGcRetentionPolicyAlwaysCollect;
}
}
// Assume it points to a large object.
// TODO: Check.
return true;
}
};
} // namespace accounting
} // namespace gc
} // namespace art
#endif // ART_SRC_GC_MOD_UNION_TABLE_INL_H_
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