1 files changed, 80 insertions, 0 deletions
diff --git a/compiler-rt/lib/scudo/standalone/allocator_config.h b/compiler-rt/lib/scudo/standalone/allocator_config.h
new file mode 100644
index 00000000000..06ec4f3f795
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+++ b/compiler-rt/lib/scudo/standalone/allocator_config.h
@@ -0,0 +1,80 @@
+//===-- allocator_config.h --------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SCUDO_ALLOCATOR_CONFIG_H_
+#define SCUDO_ALLOCATOR_CONFIG_H_
+
+#include "combined.h"
+#include "common.h"
+#include "flags.h"
+#include "primary32.h"
+#include "primary64.h"
+#include "size_class_map.h"
+#include "tsd_exclusive.h"
+#include "tsd_shared.h"
+
+namespace scudo {
+
+// Default configurations for various platforms.
+
+struct DefaultConfig {
+  using SizeClassMap = DefaultSizeClassMap;
+#if SCUDO_CAN_USE_PRIMARY64
+  // 1GB Regions
+  typedef SizeClassAllocator64<SizeClassMap, 30U> Primary;
+#else
+  // 512KB regions
+  typedef SizeClassAllocator32<SizeClassMap, 19U> Primary;
+#endif
+  template <class A> using TSDRegistryT = TSDRegistryExT<A>; // Exclusive
+};
+
+struct AndroidConfig {
+  using SizeClassMap = AndroidSizeClassMap;
+#if SCUDO_CAN_USE_PRIMARY64
+  // 1GB regions
+  typedef SizeClassAllocator64<SizeClassMap, 30U> Primary;
+#else
+  // 512KB regions
+  typedef SizeClassAllocator32<SizeClassMap, 19U> Primary;
+#endif
+  template <class A>
+  using TSDRegistryT = TSDRegistrySharedT<A, 2U>; // Shared, max 2 TSDs.
+};
+
+struct AndroidSvelteConfig {
+  using SizeClassMap = SvelteSizeClassMap;
+#if SCUDO_CAN_USE_PRIMARY64
+  // 512MB regions
+  typedef SizeClassAllocator64<SizeClassMap, 29U> Primary;
+#else
+  // 256KB regions
+  typedef SizeClassAllocator32<SizeClassMap, 18U> Primary;
+#endif
+  template <class A>
+  using TSDRegistryT = TSDRegistrySharedT<A, 1U>; // Shared, only 1 TSD.
+};
+
+struct FuchsiaConfig {
+  // 1GB Regions
+  typedef SizeClassAllocator64<DefaultSizeClassMap, 30U> Primary;
+  template <class A>
+  using TSDRegistryT = TSDRegistrySharedT<A, 8U>; // Shared, max 8 TSDs.
+};
+
+#if SCUDO_ANDROID
+typedef AndroidConfig Config;
+#elif SCUDO_FUCHSIA
+typedef FuchsiaConfig Config;
+#else
+typedef DefaultConfig Config;
+#endif
+
+} // namespace scudo
+
+#endif // SCUDO_ALLOCATOR_CONFIG_H_