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author Stefano Cianciulli <scianciulli@google.com> 2022-06-24 17:03:52 +0000
committer Stefano Cianciulli <scianciulli@google.com> 2022-07-19 08:15:35 +0000
commitcca4c6e6ad7bf54604eb516d54441c414be6ca53 (patch)
treed3beb3e72ec29fde3860c2fa49859b025f5bd720 /runtime/gc/allocator/art-dlmalloc.h
parent761f31ad14210efd49862551e34418afa9996fae (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.h61
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_