1 /* 2 * Copyright (C) 2012 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_INTERPRETER_INTERPRETER_H_ 18 #define ART_RUNTIME_INTERPRETER_INTERPRETER_H_ 19 20 #include "base/mutex.h" 21 #include "dex/dex_file.h" 22 #include "obj_ptr.h" 23 24 namespace art { 25 namespace mirror { 26 class Object; 27 } // namespace mirror 28 29 class ArtMethod; 30 class CodeItemDataAccessor; 31 union JValue; 32 class ShadowFrame; 33 class Thread; 34 enum class DeoptimizationMethodType; 35 36 namespace interpreter { 37 38 // Called by ArtMethod::Invoke, shadow frames arguments are taken from the args array. 39 // The optional stay_in_interpreter parameter (false by default) can be used by clients to 40 // explicitly force interpretation in the remaining path that implements method invocation. 41 extern void EnterInterpreterFromInvoke(Thread* self, ArtMethod* method, 42 ObjPtr<mirror::Object> receiver, 43 uint32_t* args, 44 JValue* result, 45 bool stay_in_interpreter = false) 46 REQUIRES_SHARED(Locks::mutator_lock_); 47 48 // 'from_code' denotes whether the deoptimization was explicitly triggered by compiled code. 49 extern void EnterInterpreterFromDeoptimize(Thread* self, 50 ShadowFrame* shadow_frame, 51 JValue* ret_val, 52 bool from_code, 53 DeoptimizationMethodType method_type) 54 REQUIRES_SHARED(Locks::mutator_lock_); 55 56 extern JValue EnterInterpreterFromEntryPoint(Thread* self, 57 const CodeItemDataAccessor& accessor, 58 ShadowFrame* shadow_frame) 59 REQUIRES_SHARED(Locks::mutator_lock_); 60 61 void ArtInterpreterToInterpreterBridge(Thread* self, 62 const CodeItemDataAccessor& accessor, 63 ShadowFrame* shadow_frame, 64 JValue* result) 65 REQUIRES_SHARED(Locks::mutator_lock_); 66 67 // One-time sanity check. 68 void CheckInterpreterAsmConstants(); 69 70 void InitInterpreterTls(Thread* self); 71 72 } // namespace interpreter 73 74 } // namespace art 75 76 #endif // ART_RUNTIME_INTERPRETER_INTERPRETER_H_ 77