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[oota-llvm.git] / lib / ExecutionEngine / MCJIT / MCJITMemoryManager.h
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