78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_RUNTIME_GC_SPACE_DLMALLOC_SPACE_INL_H_
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#define ART_RUNTIME_GC_SPACE_DLMALLOC_SPACE_INL_H_
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#include "dlmalloc_space.h"
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#include "gc/allocator/dlmalloc.h"
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#include "thread.h"
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namespace art {
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namespace gc {
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namespace space {
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inline mirror::Object* DlMallocSpace::AllocNonvirtual(Thread* self, size_t num_bytes,
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size_t* bytes_allocated,
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size_t* usable_size,
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size_t* bytes_tl_bulk_allocated) {
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mirror::Object* obj;
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{
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MutexLock mu(self, lock_);
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obj = AllocWithoutGrowthLocked(self, num_bytes, bytes_allocated, usable_size,
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bytes_tl_bulk_allocated);
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}
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if (LIKELY(obj != nullptr)) {
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// Zero freshly allocated memory, done while not holding the space's lock.
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memset(obj, 0, num_bytes);
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}
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return obj;
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}
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inline size_t DlMallocSpace::AllocationSizeNonvirtual(mirror::Object* obj, size_t* usable_size) {
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void* obj_ptr = const_cast<void*>(reinterpret_cast<const void*>(obj));
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size_t size = mspace_usable_size(obj_ptr);
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if (usable_size != nullptr) {
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*usable_size = size;
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}
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return size + kChunkOverhead;
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}
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inline mirror::Object* DlMallocSpace::AllocWithoutGrowthLocked(
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Thread* /*self*/, size_t num_bytes,
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size_t* bytes_allocated,
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size_t* usable_size,
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size_t* bytes_tl_bulk_allocated) {
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mirror::Object* result = reinterpret_cast<mirror::Object*>(mspace_malloc(mspace_, num_bytes));
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if (LIKELY(result != nullptr)) {
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if (kDebugSpaces) {
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CHECK(Contains(result)) << "Allocation (" << reinterpret_cast<void*>(result)
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<< ") not in bounds of allocation space " << *this;
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}
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size_t allocation_size = AllocationSizeNonvirtual(result, usable_size);
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DCHECK(bytes_allocated != nullptr);
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*bytes_allocated = allocation_size;
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*bytes_tl_bulk_allocated = allocation_size;
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}
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return result;
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}
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} // namespace space
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} // namespace gc
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} // namespace art
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#endif // ART_RUNTIME_GC_SPACE_DLMALLOC_SPACE_INL_H_
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