1 /* 2 * Copyright (C) 2015 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_RUNTIME_OPTIONS_H_ 18 #define ART_RUNTIME_RUNTIME_OPTIONS_H_ 19 20 #include <cstdarg> 21 #include <cstdio> 22 #include <string> 23 #include <vector> 24 25 #include "arch/instruction_set.h" 26 #include "base/variant_map.h" 27 #include "cmdline_types.h" // TODO: don't need to include this file here 28 #include "gc/collector_type.h" 29 #include "gc/space/large_object_space.h" 30 #include "hidden_api.h" 31 #include "jit/jit.h" 32 #include "jit/jit_code_cache.h" 33 #include "jit/profile_saver_options.h" 34 #include "verifier/verifier_enums.h" 35 36 namespace art { 37 38 class CompilerCallbacks; 39 class DexFile; 40 struct XGcOption; 41 struct BackgroundGcOption; 42 43 #define DECLARE_KEY(Type, Name) static const Key<Type> Name 44 45 // Define a key that is usable with a RuntimeArgumentMap. 46 // This key will *not* work with other subtypes of VariantMap. 47 template <typename TValue> 48 struct RuntimeArgumentMapKey : VariantMapKey<TValue> { RuntimeArgumentMapKeyRuntimeArgumentMapKey49 RuntimeArgumentMapKey() {} RuntimeArgumentMapKeyRuntimeArgumentMapKey50 explicit RuntimeArgumentMapKey(TValue default_value) 51 : VariantMapKey<TValue>(std::move(default_value)) {} 52 // Don't ODR-use constexpr default values, which means that Struct::Fields 53 // that are declared 'static constexpr T Name = Value' don't need to have a matching definition. 54 }; 55 56 // Defines a type-safe heterogeneous key->value map. 57 // Use the VariantMap interface to look up or to store a RuntimeArgumentMapKey,Value pair. 58 // 59 // Example: 60 // auto map = RuntimeArgumentMap(); 61 // map.Set(RuntimeArgumentMap::HeapTargetUtilization, 5.0); 62 // double *target_utilization = map.Get(RuntimeArgumentMap); 63 // 64 struct RuntimeArgumentMap : VariantMap<RuntimeArgumentMap, RuntimeArgumentMapKey> { 65 // This 'using' line is necessary to inherit the variadic constructor. 66 using VariantMap<RuntimeArgumentMap, RuntimeArgumentMapKey>::VariantMap; 67 68 // Make the next many usages of Key slightly shorter to type. 69 template <typename TValue> 70 using Key = RuntimeArgumentMapKey<TValue>; 71 72 // List of key declarations, shorthand for 'static const Key<T> Name' 73 #define RUNTIME_OPTIONS_KEY(Type, Name, ...) static const Key<Type> (Name); 74 #include "runtime_options.def" 75 }; 76 77 #undef DECLARE_KEY 78 79 // using RuntimeOptions = RuntimeArgumentMap; 80 } // namespace art 81 82 #endif // ART_RUNTIME_RUNTIME_OPTIONS_H_ 83