1 /* 2 * Copyright 2010-2012, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef BCC_SOURCE_H 18 #define BCC_SOURCE_H 19 20 #include <string> 21 22 namespace llvm { 23 class Module; 24 } 25 26 namespace bcc { 27 28 class BCCContext; 29 30 class Source { 31 private: 32 BCCContext &mContext; 33 llvm::Module *mModule; 34 35 // If true, destructor won't destroy the mModule. 36 bool mNoDelete; 37 38 private: 39 Source(BCCContext &pContext, llvm::Module &pModule, bool pNoDelete = false); 40 41 public: 42 static Source *CreateFromBuffer(BCCContext &pContext, 43 const char *pName, 44 const char *pBitcode, 45 size_t pBitcodeSize); 46 47 static Source *CreateFromFile(BCCContext &pContext, 48 const std::string &pPath); 49 50 static Source *CreateFromFd(BCCContext &pContext, int pFd); 51 52 // Create a Source object from an existing module. If pNoDelete 53 // is true, destructor won't call delete on the given module. 54 static Source *CreateFromModule(BCCContext &pContext, 55 llvm::Module &pModule, 56 bool pNoDelete = false); 57 58 static Source *CreateEmpty(BCCContext &pContext, const std::string &pName); 59 60 // Merge the current source with pSource. If pPreserveSource is false, pSource 61 // will be destroyed after successfully merged. Return false on error. 62 bool merge(Source &pSource, bool pPreserveSource = false); 63 getContext()64 inline BCCContext &getContext() 65 { return mContext; } getContext()66 inline const BCCContext &getContext() const 67 { return mContext; } 68 69 void setModule(llvm::Module *pModule); 70 getModule()71 inline llvm::Module &getModule() 72 { return *mModule; } getModule()73 inline const llvm::Module &getModule() const 74 { return *mModule; } 75 76 // Get the "identifier" of the bitcode. This will return the value of pName 77 // when it's created using CreateFromBuffer and pPath if CreateFromFile(). 78 const std::string &getIdentifier() const; 79 80 ~Source(); 81 }; 82 83 } // namespace bcc 84 85 #endif // BCC_SOURCE_H 86