1 //===-- MCJITMemoryManager.h - Definition for the Memory Manager ---C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_LIB_EXECUTIONENGINE_MCJITMEMORYMANAGER_H 11 #define LLVM_LIB_EXECUTIONENGINE_MCJITMEMORYMANAGER_H 12 13 #include "llvm/Module.h" 14 #include "llvm/ExecutionEngine/JITMemoryManager.h" 15 #include "llvm/ExecutionEngine/RuntimeDyld.h" 16 #include <assert.h> 17 18 namespace llvm { 19 20 // The MCJIT memory manager is a layer between the standard JITMemoryManager 21 // and the RuntimeDyld interface that maps objects, by name, onto their 22 // matching LLVM IR counterparts in the module(s) being compiled. 23 class MCJITMemoryManager : public RTDyldMemoryManager { 24 virtual void anchor(); 25 OwningPtr<JITMemoryManager> JMM; 26 27 public: 28 MCJITMemoryManager(JITMemoryManager *jmm) : 29 JMM(jmm?jmm:JITMemoryManager::CreateDefaultMemManager()) {} 30 31 uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment, 32 unsigned SectionID) { 33 return JMM->allocateDataSection(Size, Alignment, SectionID); 34 } 35 36 uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment, 37 unsigned SectionID) { 38 return JMM->allocateCodeSection(Size, Alignment, SectionID); 39 } 40 41 virtual void *getPointerToNamedFunction(const std::string &Name, 42 bool AbortOnFailure = true) { 43 return JMM->getPointerToNamedFunction(Name, AbortOnFailure); 44 } 45 46 }; 47 48 } // End llvm namespace 49 50 #endif 51
