1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ART_RUNTIME_GC_ALLOCATOR_DLMALLOC_H_ 18 #define ART_RUNTIME_GC_ALLOCATOR_DLMALLOC_H_ 19 20 // Configure dlmalloc for mspaces. 21 // Avoid a collision with one used in llvm. 22 #undef HAVE_MMAP 23 #define HAVE_MMAP 0 24 #define HAVE_MREMAP 0 25 #define HAVE_MORECORE 1 26 #define MSPACES 1 27 #define NO_MALLINFO 1 28 #define ONLY_MSPACES 1 29 #define MALLOC_INSPECT_ALL 1 30 31 #include "../../bionic/libc/upstream-dlmalloc/malloc.h" 32 33 // Define dlmalloc routines from bionic that cannot be included directly because of redefining 34 // symbols from the include above. 35 extern "C" void dlmalloc_inspect_all(void(*handler)(void*, void *, size_t, void*), void* arg); 36 extern "C" int dlmalloc_trim(size_t); 37 38 // Callback for dlmalloc_inspect_all or mspace_inspect_all that will madvise(2) unused 39 // pages back to the kernel. 40 extern "C" void DlmallocMadviseCallback(void* start, void* end, size_t used_bytes, void* /*arg*/); 41 42 // Callbacks for dlmalloc_inspect_all or mspace_inspect_all that will 43 // count the number of bytes allocated and objects allocated, 44 // respectively. 45 extern "C" void DlmallocBytesAllocatedCallback(void* start, void* end, size_t used_bytes, void* arg); 46 extern "C" void DlmallocObjectsAllocatedCallback(void* start, void* end, size_t used_bytes, void* arg); 47 48 #endif // ART_RUNTIME_GC_ALLOCATOR_DLMALLOC_H_ 49