/* * Copyright (C) 2020 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_INTERPRETER_MTERP_NTERP_H_ #define ART_RUNTIME_INTERPRETER_MTERP_NTERP_H_ #include "base/globals.h" extern "C" void* artNterpAsmInstructionStart[]; extern "C" void* artNterpAsmInstructionEnd[]; namespace art { class ArtMethod; namespace interpreter { void CheckNterpAsmConstants(); bool IsNterpSupported(); bool CanRuntimeUseNterp(); bool CanMethodUseNterp(ArtMethod* method); const void* GetNterpEntryPoint(); // The hotness threshold where we trigger JIT compilation or OSR. constexpr uint16_t kNterpHotnessMask = 0xffff; // The maximum we allow an nterp frame to be. constexpr size_t kNterpMaxFrame = 3 * KB; // The maximum size for each nterp opcode handler. constexpr size_t kNterpHandlerSize = 128; } // namespace interpreter } // namespace art #endif // ART_RUNTIME_INTERPRETER_MTERP_NTERP_H_