| /* |
| * Copyright (C) 2013 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_RUNTIME_GC_SPACE_BUMP_POINTER_SPACE_INL_H_ |
| #define ART_RUNTIME_GC_SPACE_BUMP_POINTER_SPACE_INL_H_ |
| |
| #include "bump_pointer_space.h" |
| |
| namespace art { |
| namespace gc { |
| namespace space { |
| |
| inline mirror::Object* BumpPointerSpace::AllocNonvirtualWithoutAccounting(size_t num_bytes) { |
| DCHECK(IsAligned<kAlignment>(num_bytes)); |
| byte* old_end; |
| byte* new_end; |
| do { |
| old_end = end_; |
| new_end = old_end + num_bytes; |
| // If there is no more room in the region, we are out of memory. |
| if (UNLIKELY(new_end > growth_end_)) { |
| return nullptr; |
| } |
| } while (!__sync_bool_compare_and_swap(reinterpret_cast<volatile intptr_t*>(&end_), |
| reinterpret_cast<intptr_t>(old_end), |
| reinterpret_cast<intptr_t>(new_end))); |
| return reinterpret_cast<mirror::Object*>(old_end); |
| } |
| |
| inline mirror::Object* BumpPointerSpace::AllocNonvirtual(size_t num_bytes) { |
| mirror::Object* ret = AllocNonvirtualWithoutAccounting(num_bytes); |
| if (ret != nullptr) { |
| objects_allocated_.FetchAndAdd(1); |
| bytes_allocated_.FetchAndAdd(num_bytes); |
| } |
| return ret; |
| } |
| |
| } // namespace space |
| } // namespace gc |
| } // namespace art |
| |
| #endif // ART_RUNTIME_GC_SPACE_BUMP_POINTER_SPACE_INL_H_ |