diff options
| author | 2022-06-24 17:03:52 +0000 | |
|---|---|---|
| committer | 2022-07-19 08:15:35 +0000 | |
| commit | cca4c6e6ad7bf54604eb516d54441c414be6ca53 (patch) | |
| tree | d3beb3e72ec29fde3860c2fa49859b025f5bd720 /runtime/gc/allocator/art-dlmalloc.h | |
| parent | 761f31ad14210efd49862551e34418afa9996fae (diff) | |
Include dlmalloc.{h, c} without relative path inclusion
Merged-In: I1b9c95e35751dfef635a2aabe790457e5ccdba71
Test: m com.android.art (with no errors)
Bug: 236243696
Change-Id: I23d44261e8eebc16a6774dca3e99561286bee204
Diffstat (limited to 'runtime/gc/allocator/art-dlmalloc.h')
| -rw-r--r-- | runtime/gc/allocator/art-dlmalloc.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/runtime/gc/allocator/art-dlmalloc.h b/runtime/gc/allocator/art-dlmalloc.h new file mode 100644 index 0000000000..a839904515 --- /dev/null +++ b/runtime/gc/allocator/art-dlmalloc.h @@ -0,0 +1,61 @@ +/* + * 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" // from external/dlmalloc +#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_ |