src/disassembler/llvm/LLVMDisassembler.hxx

   1 #ifndef INCLUDE__LLVMDisassembler_hxx
   2 #define INCLUDE__LLVMDisassembler_hxx
   3
   4 #include <memory>
   5 #include <map>
   6 #include <log4cxx/logger.h>
   7
   8 #include "include_llvm.hxx"
   9
  10 #include "disassembler/Disassembler.hxx"
  11 #include "disassembler/BasicBlock.hxx"
  12 #include "disassembler/Function.hxx"
  13 #include "disassembler/llvm/LLVMBasicBlock.hxx"
  14 #include "disassembler/llvm/LLVMFunction.hxx"
  15
  16
  17 class LLVMDisassembler
  18     : public Disassembler {
  19 public:
  20     LLVMDisassembler(const std::string& filename);
  21     virtual ~LLVMDisassembler();
  22
  23         void getSymbols();
  24         uint64_t entryAddress();
  25
  26         void forEachFunction(std::function<void (uint64_t, Function*)> callback);
  27         BasicBlock * getBasicBlock(uint64_t address) {
  28                 return blocks[address];
  29         }
  30
  31 protected:
  32     bool isFunctionCall(uint64_t address) {return false;}
  33     bool isJump(uint64_t address) {return false;}
  34
  35 private:
  36     // http://llvm.org/docs/doxygen/html/MCObjectDisassembler_8cpp_source.html +197
  37         void disassemble();
  38
  39         void readSymbols();
  40         void readSections();
  41
  42     log4cxx::LoggerPtr logger;
  43         std::map<uint64_t, LLVMBasicBlock*> blocks;
  44         std::map<uint64_t, LLVMFunction*> functions;
  45
  46     llvm::Triple triple;
  47     std::shared_ptr<llvm::object::Binary> binary;
  48
  49
  50     const llvm::Target * target;
  51     llvm::object::ObjectFile * o;
  52
  53     std::unique_ptr<const llvm::MCRegisterInfo> MRI;
  54     std::unique_ptr<const llvm::MCAsmInfo> AsmInfo;
  55     std::unique_ptr<llvm::MCModule> Mod;
  56     std::unique_ptr<llvm::MCInstPrinter> IP;
  57     std::unique_ptr<llvm::MCDisassembler> DisAsm;
  58     std::unique_ptr<const llvm::MCObjectFileInfo> MOFI;
  59     std::unique_ptr<llvm::MCContext> Ctx;
  60     std::unique_ptr<const llvm::MCInstrAnalysis> MIA;
  61     std::unique_ptr<const llvm::MCSubtargetInfo> STI;
  62     std::unique_ptr<const llvm::MCInstrInfo> MII;
  63         llvm::OwningPtr<llvm::MCRelocationInfo> RelInfo;
  64         llvm::OwningPtr<llvm::MCSymbolizer> Symzer;
  65
  66     std::map<std::string, llvm::object::SectionRef> sections;
  67     std::map<std::string, llvm::object::SymbolRef> symbols;
  68 };
  69
  70 #endif