| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| /** |
| * @author Intel, George A. Timoshenko |
| * |
| */ |
| |
| #ifndef _TRANSLATOR_INTFC_H_ |
| #define _TRANSLATOR_INTFC_H_ |
| |
| #include "PMFAction.h" |
| |
| #include "open/types.h" |
| #include <string.h> |
| #include <assert.h> |
| |
| namespace Jitrino { |
| |
| class MethodDesc; |
| class IRBuilder; |
| class InstFactory; |
| class CompilationInterface; |
| class ControlFlowGraph; |
| class Opnd; |
| class Inst; |
| class Node; |
| class ExceptionInfo; |
| class IRManager; |
| class MemoryManager; |
| class Method_Table; |
| class CompilationContext; |
| class SessionAction; |
| |
| // to select which byte code translator optimizations are done |
| struct TranslatorFlags { |
| bool propValues : 1; // do value propagation |
| bool onlyBalancedSync : 1; // treat all method synchronization as balanced |
| bool ignoreSync : 1; // do not generate monitor enter/exit instructions |
| bool syncAsEnterFence : 1; // implement monitor enter as enter fence and |
| bool genMinMaxAbs : 1; // gen min/max/abs opcodes instead of using select |
| bool genFMinMaxAbs : 1; // gen min/max/abs opcodes for floats |
| bool optArrayInit : 1; // skip array initializers from optimizations |
| bool lazyResolution : 1; //do not ask VM to resolve any classes during a compilation |
| bool assertOnRecursion : 1; //assert of translator work in recursove compilation. Used to check lazy resolution mode. |
| }; |
| |
| class IRBuilderAction; |
| class TranslatorAction: public Action { |
| public: |
| void init(); |
| const TranslatorFlags& getFlags() const {return flags;} |
| IRBuilderAction* getIRBuilderAction() const {return irbAction;} |
| protected: |
| void readFlags(); |
| TranslatorFlags flags; |
| IRBuilderAction* irbAction; |
| }; |
| |
| class TranslatorSession: public SessionAction { |
| public: |
| virtual void run (); |
| private: |
| void translate(); |
| void postTranslatorCleanup(); |
| |
| TranslatorFlags flags; |
| }; |
| |
| |
| class OpndStack { |
| public: |
| OpndStack(MemoryManager& memManager,U_32 slots); |
| bool isEmpty() { |
| return tos == 0; |
| } |
| bool isFull() { |
| return tos == maxSlots; |
| } |
| U_32 getNumElems() { |
| return tos; |
| } |
| Opnd* top() { |
| if (isEmpty()) { |
| assert(0); |
| return NULL; |
| } |
| return opnds[tos-1]; |
| } |
| Opnd* pop() { |
| if (isEmpty()) { |
| assert(0); |
| return NULL; |
| } |
| return opnds[--tos]; |
| } |
| bool push(Opnd* opnd) { |
| if (isFull()) { |
| assert(0); |
| return false; |
| } |
| opnds[tos++] = opnd; |
| return true; |
| } |
| Opnd* getElem(U_32 i) { |
| if (i >= tos) { |
| assert(0); |
| return NULL; |
| } |
| return opnds[i]; |
| } |
| void makeEmpty() { |
| tos=0; |
| } |
| private: |
| // |
| // private fields |
| // |
| const U_32 maxSlots; |
| U_32 tos; |
| Opnd** opnds; |
| }; |
| |
| |
| // |
| // utility methods added to allow refactoring of Opnd.h |
| // |
| extern bool |
| isNonNullOpnd(Opnd* opnd); |
| |
| extern bool |
| isExactTypeOpnd(Opnd* opnd); |
| |
| extern bool |
| isStackOpndAliveOpnd(Opnd* opnd); |
| |
| extern bool |
| isStackOpndSavedOpnd(Opnd* opnd); |
| |
| extern void |
| setNonNullOpnd(Opnd* opnd,bool val); |
| |
| extern void |
| setExactTypeOpnd(Opnd* opnd,bool val); |
| |
| extern void |
| setStackOpndAliveOpnd(Opnd* opnd,bool val); |
| |
| extern void |
| setStackOpndSavedOpnd(Opnd* opnd,bool val); |
| |
| } //namespace Jitrino |
| |
| #endif // _TRANSLATOR_INTFC_H_ |