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 JITMemoryManager *JMM; 26 27 // FIXME: Multiple modules. 28 Module *M; 29 public: 30 MCJITMemoryManager(JITMemoryManager *jmm, Module *m) : 31 JMM(jmm?jmm:JITMemoryManager::CreateDefaultMemManager()), M(m) {} 32 // We own the JMM, so make sure to delete it. 33 ~MCJITMemoryManager() { delete JMM; } 34 35 uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment, 36 unsigned SectionID) { 37 return JMM->allocateSpace(Size, Alignment); 38 } 39 40 uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment, 41 unsigned SectionID) { 42 return JMM->allocateSpace(Size, Alignment); 43 } 44 45 virtual void *getPointerToNamedFunction(const std::string &Name, 46 bool AbortOnFailure = true) { 47 return JMM->getPointerToNamedFunction(Name, AbortOnFailure); 48 } 49 50 }; 51 52 } // End llvm namespace 53 54 #endif 55
