blob: fbbfd84fcf93d7e48797695a161c0b433c2dd019 [file] [log] [blame]
/*
* Copyright (C) 2011 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.
*/
#include "arena_bit_vector.h"
#include "base/allocator.h"
#include "base/arena_allocator.h"
namespace art {
template <typename ArenaAlloc>
class ArenaBitVectorAllocator FINAL : public Allocator,
public ArenaObject<kArenaAllocGrowableBitMap> {
public:
explicit ArenaBitVectorAllocator(ArenaAlloc* arena) : arena_(arena) {}
~ArenaBitVectorAllocator() {}
virtual void* Alloc(size_t size) {
return arena_->Alloc(size, kArenaAllocGrowableBitMap);
}
virtual void Free(void*) {} // Nop.
private:
ArenaAlloc* const arena_;
DISALLOW_COPY_AND_ASSIGN(ArenaBitVectorAllocator);
};
ArenaBitVector::ArenaBitVector(ArenaAllocator* arena, unsigned int start_bits,
bool expandable, OatBitMapKind kind)
: BitVector(start_bits, expandable,
new (arena) ArenaBitVectorAllocator<ArenaAllocator>(arena)), kind_(kind) {
UNUSED(kind_);
}
ArenaBitVector::ArenaBitVector(ScopedArenaAllocator* arena, unsigned int start_bits,
bool expandable, OatBitMapKind kind)
: BitVector(start_bits, expandable,
new (arena) ArenaBitVectorAllocator<ScopedArenaAllocator>(arena)), kind_(kind) {
UNUSED(kind_);
}
} // namespace art