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