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         void printEachInstruction(uint64_t start, uint64_t end, std::function<void (const std::string&)> fun);
  28
  29         BasicBlock * getBasicBlock(uint64_t address) {
  30                 return blocks[address];
  31         }
  32
  33 protected:
  34     bool isFunctionCall(uint64_t address) {return false;}
  35     bool isJump(uint64_t address) {return false;}
  36
  37 private:
  38     // http://llvm.org/docs/doxygen/html/MCObjectDisassembler_8cpp_source.html +197
  39         void disassemble();
  40
  41         void readSymbols();
  42         void readSections();
  43
  44     log4cxx::LoggerPtr logger;
  45         std::map<uint64_t, LLVMBasicBlock*> blocks;
  46         std::map<uint64_t, LLVMFunction*> functions;
  47
  48     llvm::Triple triple;
  49     std::shared_ptr<llvm::object::Binary> binary;
  50
  51
  52     const llvm::Target * target;
  53     llvm::object::ObjectFile * o;
  54
  55     std::unique_ptr<const llvm::MCRegisterInfo> MRI;
  56     std::unique_ptr<const llvm::MCAsmInfo> AsmInfo;
  57     std::unique_ptr<llvm::MCModule> Mod;
  58     std::unique_ptr<llvm::MCInstPrinter> IP;
  59     std::unique_ptr<llvm::MCDisassembler> DisAsm;
  60     std::unique_ptr<const llvm::MCObjectFileInfo> MOFI;
  61     std::unique_ptr<llvm::MCContext> Ctx;
  62     std::unique_ptr<const llvm::MCInstrAnalysis> MIA;
  63     std::unique_ptr<const llvm::MCSubtargetInfo> STI;
  64     std::unique_ptr<const llvm::MCInstrInfo> MII;
  65         llvm::OwningPtr<llvm::MCRelocationInfo> RelInfo;
  66         llvm::OwningPtr<llvm::MCSymbolizer> Symzer;
  67
  68     std::map<std::string, llvm::object::SectionRef> sections;
  69     std::map<std::string, llvm::object::SymbolRef> symbols;
  70 };
  71
  72 #endif