| /* |
| * 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. |
| */ |
| |
| #ifndef ART_RUNTIME_GC_ALLOCATOR_ART_DLMALLOC_H_ |
| #define ART_RUNTIME_GC_ALLOCATOR_ART_DLMALLOC_H_ |
| |
| #include <cstdint> |
| |
| // Configure dlmalloc for mspaces. |
| // Avoid a collision with one used in llvm. |
| #undef HAVE_MMAP |
| #define HAVE_MMAP 0 |
| #define HAVE_MREMAP 0 |
| #define HAVE_MORECORE 1 |
| #define MSPACES 1 |
| #define NO_MALLINFO 1 |
| #define ONLY_MSPACES 1 |
| #define MALLOC_INSPECT_ALL 1 |
| |
| #pragma GCC diagnostic push |
| #pragma GCC diagnostic ignored "-Wredundant-decls" |
| #pragma GCC diagnostic ignored "-Wnull-pointer-arithmetic" |
| #include "dlmalloc.h" |
| #pragma GCC diagnostic pop |
| |
| // Callback for dlmalloc_inspect_all or mspace_inspect_all that will madvise(2) unused |
| // pages back to the kernel. |
| extern "C" void DlmallocMadviseCallback(void* start, void* end, size_t used_bytes, void* /*arg*/); |
| |
| // Callbacks for dlmalloc_inspect_all or mspace_inspect_all that will |
| // count the number of bytes allocated and objects allocated, |
| // respectively. |
| extern "C" void DlmallocBytesAllocatedCallback(void* start, void* end, size_t used_bytes, void* arg); |
| extern "C" void DlmallocObjectsAllocatedCallback(void* start, void* end, size_t used_bytes, void* arg); |
| |
| namespace art { |
| namespace gc { |
| namespace allocator { |
| |
| // Callback from dlmalloc when it needs to increase the footprint. Must be implemented somewhere |
| // else (currently dlmalloc_space.cc). |
| void* ArtDlMallocMoreCore(void* mspace, intptr_t increment); |
| |
| } // namespace allocator |
| } // namespace gc |
| } // namespace art |
| |
| #endif // ART_RUNTIME_GC_ALLOCATOR_ART_DLMALLOC_H_ |