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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
12 class Function;
13 class BasicBlock;
14
15 Disassembler * createLLVMDisassembler(const std::string& filename, InformationManager* manager);
16
17 template <typename ObjectType>
18 class LLVMDisassembler
19 : public Disassembler {
20 public:
21 LLVMDisassembler(const std::string& filename, InformationManager* manager,
22 llvm::object::ObjectFile* file = NULL);
23 virtual ~LLVMDisassembler();
24
25 void start();
26 void getSymbols() {}
27 uint64_t entryAddress();
28
29 void printEachInstruction(uint64_t start, uint64_t end,
30 std::function<void (uint8_t*, size_t, const std::string&,
31 const std::string&)> fun);
32
33 Function * disassembleFunctionAt(uint64_t address, const std::string& name = "");
34 std::vector<Instruction> getInstructions(const BasicBlock* block);
35
36 private:
37 // http://llvm.org/docs/doxygen/html/MCObjectDisassembler_8cpp_source.html +197
38 void disassembleFunction(Function* function);
39 void splitBlocks(Function* fun);
40 void disassemble();
41 llvm::object::SectionRef getTextSection();
42
43 void readSymbols();
44 void readSections();
45 void readDynamicSymbols();
46
47 log4cxx::LoggerPtr logger;
48
49 llvm::Triple triple;
50 std::shared_ptr<llvm::object::Binary> binary;
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 std::unique_ptr<llvm::MCRelocationInfo> RelInfo;
66 std::unique_ptr<llvm::MCSymbolizer> Symzer;
67
68 std::map<std::string, llvm::object::SectionRef> sections;
69 std::map<std::string, llvm::object::SymbolRef> symbols;
70 InformationManager * manager;
71 uint64_t _entryAddress;
72 };
73
74 #endif