1 //===------------- Disassembler.h - LLVM Disassembler -----------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file defines the interface for the Disassembly library's disassembler 11 // context. The disassembler is responsible for producing strings for 12 // individual instructions according to a given architecture and disassembly 13 // syntax. 14 // 15 //===----------------------------------------------------------------------===// 16 17 #ifndef LLVM_MC_DISASSEMBLER_H 18 #define LLVM_MC_DISASSEMBLER_H 19 20 #include "llvm-c/Disassembler.h" 21 #include <string> 22 #include "llvm/ADT/OwningPtr.h" 23 24 namespace llvm { 25 class MCContext; 26 class MCAsmInfo; 27 class MCDisassembler; 28 class MCInstPrinter; 29 class MCRegisterInfo; 30 class Target; 31 32 // 33 // This is the disassembler context returned by LLVMCreateDisasm(). 34 // 35 class LLVMDisasmContext { 36 private: 37 // 38 // The passed parameters when the disassembler context is created. 39 // 40 // The TripleName for this disassembler. 41 std::string TripleName; 42 // The pointer to the caller's block of symbolic information. 43 void *DisInfo; 44 // The Triple specific symbolic information type returned by GetOpInfo. 45 int TagType; 46 // The function to get the symbolic information for operands. 47 LLVMOpInfoCallback GetOpInfo; 48 // The function to look up a symbol name. 49 LLVMSymbolLookupCallback SymbolLookUp; 50 // 51 // The objects created and saved by LLVMCreateDisasm() then used by 52 // LLVMDisasmInstruction(). 53 // 54 // The LLVM target corresponding to the disassembler. 55 // FIXME: using llvm::OwningPtr<const llvm::Target> causes a malloc error 56 // when this LLVMDisasmContext is deleted. 57 const Target *TheTarget; 58 // The assembly information for the target architecture. 59 llvm::OwningPtr<const llvm::MCAsmInfo> MAI; 60 // The register information for the target architecture. 61 llvm::OwningPtr<const llvm::MCRegisterInfo> MRI; 62 // The assembly context for creating symbols and MCExprs. 63 llvm::OwningPtr<const llvm::MCContext> Ctx; 64 // The disassembler for the target architecture. 65 llvm::OwningPtr<const llvm::MCDisassembler> DisAsm; 66 // The instruction printer for the target architecture. 67 llvm::OwningPtr<llvm::MCInstPrinter> IP; 68 69 public: 70 LLVMDisasmContext(std::string tripleName, void *disInfo, int tagType, 71 LLVMOpInfoCallback getOpInfo, 72 LLVMSymbolLookupCallback symbolLookUp, 73 const Target *theTarget, const MCAsmInfo *mAI, 74 const MCRegisterInfo *mRI, 75 llvm::MCContext *ctx, const MCDisassembler *disAsm, 76 MCInstPrinter *iP) : TripleName(tripleName), 77 DisInfo(disInfo), TagType(tagType), GetOpInfo(getOpInfo), 78 SymbolLookUp(symbolLookUp), TheTarget(theTarget) { 79 MAI.reset(mAI); 80 MRI.reset(mRI); 81 Ctx.reset(ctx); 82 DisAsm.reset(disAsm); 83 IP.reset(iP); 84 } 85 const MCDisassembler *getDisAsm() const { return DisAsm.get(); } 86 MCInstPrinter *getIP() { return IP.get(); } 87 }; 88 89 } // namespace llvm 90 91 #endif 92