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      1 /*
      2  * Copyright 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_ABC_COMPILER_DRIVER_H
     18 #define BCC_ABC_COMPILER_DRIVER_H
     19 
     20 #include "bcc/AndroidBitcode/ABCCompiler.h"
     21 #include "bcc/BCCContext.h"
     22 #include "bcc/Compiler.h"
     23 #include "bcc/Linker.h"
     24 
     25 #include <string>
     26 
     27 namespace bcc {
     28 
     29 class ABCExpandVAArgPass;
     30 class CompilerConfig;
     31 class LinkerConfig;
     32 
     33 class ABCCompilerDriver {
     34 private:
     35   BCCContext mContext;
     36   ABCCompiler mCompiler;
     37   Linker mLinker;
     38 
     39   CompilerConfig *mCompilerConfig;
     40   LinkerConfig *mLinkerConfig;
     41 
     42   std::string mAndroidSysroot;
     43 
     44 private:
     45   bool configCompiler();
     46   bool configLinker();
     47 
     48 private:
     49   Script *prepareScript(int pInputFd);
     50   bool compile(Script &pScript, llvm::raw_ostream &pOutput);
     51   bool link(const Script &pScript, const std::string &input_relocatable,
     52             int pOutputFd);
     53 
     54 private:
     55   virtual CompilerConfig *createCompilerConfig() const = 0;
     56   virtual LinkerConfig *createLinkerConfig() const = 0;
     57 
     58 protected:
     59   virtual const char **getNonPortableList() const {
     60     return NULL;
     61   }
     62 
     63 public:
     64   virtual ABCExpandVAArgPass *createExpandVAArgPass() const = 0;
     65 
     66 protected:
     67   ABCCompilerDriver();
     68 
     69 public:
     70   static ABCCompilerDriver *Create(const std::string &pTriple);
     71 
     72   virtual ~ABCCompilerDriver();
     73 
     74   inline const std::string &getAndroidSysroot() const {
     75     return mAndroidSysroot;
     76   }
     77 
     78   inline void setAndroidSysroot(const std::string &pAndroidSysroot) {
     79     mAndroidSysroot = pAndroidSysroot;
     80   }
     81 
     82   // Compile the bitcode and link the shared object
     83   bool build(int pInputFd, int pOutputFd);
     84 };
     85 
     86 } // end namespace bcc
     87 
     88 #endif // BCC_ABC_COMPILER_DRIVER_H
     89