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
  15
  16 class LLVMDisassembler
  17     : public Disassembler {
  18 public:
  19     LLVMDisassembler(const std::string& filename);
  20     virtual ~LLVMDisassembler() {};
  21
  22         void getSymbols();
  23         uint64_t entryAddress();
  24
  25         void forEachFunction(std::function<void (uint64_t, Function*)> callback);
  26
  27         BasicBlock * generateControlFlowGraph(const std::string& name);
  28         BasicBlock * generateControlFlowGraph(uint64_t address);
  29
  30 protected:
  31     bool isFunctionCall(uint64_t address) {return false;}
  32     bool isJump(uint64_t address) {return false;}
  33
  34 private:
  35         void disassemble();
  36
  37         void readSymbols();
  38         void readSections();
  39
  40     log4cxx::LoggerPtr logger;
  41         std::map<uint64_t, LLVMBasicBlock*> blocks;
  42         std::map<uint64_t, LLVMFunction*> functions;
  43
  44     llvm::Triple triple;
  45     std::shared_ptr<llvm::object::Binary> binary;
  46
  47
  48     const llvm::Target * target;
  49     llvm::object::ObjectFile * o;
  50
  51     std::unique_ptr<const llvm::MCRegisterInfo> MRI;
  52     std::unique_ptr<const llvm::MCAsmInfo> AsmInfo;
  53     std::unique_ptr<llvm::MCModule> Mod;
  54     std::unique_ptr<llvm::MCInstPrinter> IP;
  55     std::unique_ptr<llvm::MCDisassembler> DisAsm;
  56     std::unique_ptr<const llvm::MCObjectFileInfo> MOFI;
  57     std::unique_ptr<llvm::MCContext> Ctx;
  58     std::unique_ptr<const llvm::MCInstrAnalysis> MIA;
  59     std::unique_ptr<const llvm::MCSubtargetInfo> STI;
  60     std::unique_ptr<const llvm::MCInstrInfo> MII;
  61         llvm::OwningPtr<llvm::MCRelocationInfo> RelInfo;
  62         llvm::OwningPtr<llvm::MCSymbolizer> Symzer;
  63
  64     std::map<std::string, llvm::object::SectionRef> sections;
  65     std::map<std::string, llvm::object::SymbolRef> symbols;
  66 };
  67
  68 #endif