LLVMRoutineManager.hpp revision bc19941f85e8cfc75a860b8bd61789e6064e7f12
1d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens// Copyright 2016 The SwiftShader Authors. All Rights Reserved. 2d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens// 3d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens// Licensed under the Apache License, Version 2.0 (the "License"); 4d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens// you may not use this file except in compliance with the License. 5d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens// You may obtain a copy of the License at 6d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens// 7d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens// http://www.apache.org/licenses/LICENSE-2.0 8d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens// 9d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens// Unless required by applicable law or agreed to in writing, software 10d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens// distributed under the License is distributed on an "AS IS" BASIS, 11d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens// See the License for the specific language governing permissions and 13d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens// limitations under the License. 14d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens 15bc19941f85e8cfc75a860b8bd61789e6064e7f12Nicolas Capens#ifndef sw_LLVMRoutineManager_hpp 16bc19941f85e8cfc75a860b8bd61789e6064e7f12Nicolas Capens#define sw_LLVMRoutineManager_hpp 17d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens 18d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens#include "llvm/GlobalValue.h" 19d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens#include "llvm/ExecutionEngine/JITMemoryManager.h" 20d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens 21d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capensnamespace sw 22d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens{ 23bc19941f85e8cfc75a860b8bd61789e6064e7f12Nicolas Capens class LLVMRoutine; 24d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens 25bc19941f85e8cfc75a860b8bd61789e6064e7f12Nicolas Capens class LLVMRoutineManager : public llvm::JITMemoryManager 26d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens { 27d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens public: 28bc19941f85e8cfc75a860b8bd61789e6064e7f12Nicolas Capens LLVMRoutineManager(); 29d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens 30bc19941f85e8cfc75a860b8bd61789e6064e7f12Nicolas Capens virtual ~LLVMRoutineManager(); 31d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens 32d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual void AllocateGOT(); 33d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens 34d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual uint8_t *allocateStub(const llvm::GlobalValue *function, unsigned stubSize, unsigned alignment); 35d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual uint8_t *startFunctionBody(const llvm::Function *function, uintptr_t &actualSize); 36d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual void endFunctionBody(const llvm::Function *function, uint8_t *functionStart, uint8_t *functionEnd); 37d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual uint8_t *startExceptionTable(const llvm::Function *function, uintptr_t &ActualSize); 38d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual void endExceptionTable(const llvm::Function *function, uint8_t *tableStart, uint8_t *tableEnd, uint8_t *frameRegister); 39d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual uint8_t *getGOTBase() const; 40d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual uint8_t *allocateSpace(intptr_t Size, unsigned Alignment); 41d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual uint8_t *allocateGlobal(uintptr_t Size, unsigned int Alignment); 42d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual void deallocateFunctionBody(void *Body); 43d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual void deallocateExceptionTable(void *ET); 44d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual void setMemoryWritable(); 45d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual void setMemoryExecutable(); 46d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens virtual void setPoisonMemory(bool poison); 47d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens 48bc19941f85e8cfc75a860b8bd61789e6064e7f12Nicolas Capens LLVMRoutine *acquireRoutine(void *entry); 49d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens 50d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens private: 51bc19941f85e8cfc75a860b8bd61789e6064e7f12Nicolas Capens LLVMRoutine *routine; 52d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens 53d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens static volatile int averageInstructionSize; 54d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens }; 55d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens} 56d999309b36cb3dceadd38217b322f0e96a06b202Nicolas Capens 57bc19941f85e8cfc75a860b8bd61789e6064e7f12Nicolas Capens#endif // sw_LLVMRoutineManager_hpp 58