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 #include "llvm/ADT/SmallString.h" 24 #include "llvm/Support/raw_ostream.h" 25 26 namespace llvm { 27 class MCContext; 28 class MCAsmInfo; 29 class MCDisassembler; 30 class MCInstPrinter; 31 class MCInstrInfo; 32 class MCRegisterInfo; 33 class MCSubtargetInfo; 34 class Target; 35 36 // 37 // This is the disassembler context returned by LLVMCreateDisasm(). 38 // 39 class LLVMDisasmContext { 40 private: 41 // 42 // The passed parameters when the disassembler context is created. 43 // 44 // The TripleName for this disassembler. 45 std::string TripleName; 46 // The pointer to the caller's block of symbolic information. 47 void *DisInfo; 48 // The Triple specific symbolic information type returned by GetOpInfo. 49 int TagType; 50 // The function to get the symbolic information for operands. 51 LLVMOpInfoCallback GetOpInfo; 52 // The function to look up a symbol name. 53 LLVMSymbolLookupCallback SymbolLookUp; 54 // 55 // The objects created and saved by LLVMCreateDisasm() then used by 56 // LLVMDisasmInstruction(). 57 // 58 // The LLVM target corresponding to the disassembler. 59 // FIXME: using llvm::OwningPtr<const llvm::Target> causes a malloc error 60 // when this LLVMDisasmContext is deleted. 61 const Target *TheTarget; 62 // The assembly information for the target architecture. 63 llvm::OwningPtr<const llvm::MCAsmInfo> MAI; 64 // The register information for the target architecture. 65 llvm::OwningPtr<const llvm::MCRegisterInfo> MRI; 66 // The subtarget information for the target architecture. 67 llvm::OwningPtr<const llvm::MCSubtargetInfo> MSI; 68 // The instruction information for the target architecture. 69 llvm::OwningPtr<const llvm::MCInstrInfo> MII; 70 // The assembly context for creating symbols and MCExprs. 71 llvm::OwningPtr<const llvm::MCContext> Ctx; 72 // The disassembler for the target architecture. 73 llvm::OwningPtr<const llvm::MCDisassembler> DisAsm; 74 // The instruction printer for the target architecture. 75 llvm::OwningPtr<llvm::MCInstPrinter> IP; 76 77 public: 78 // Comment stream and backing vector. 79 SmallString<128> CommentsToEmit; 80 raw_svector_ostream CommentStream; 81 82 LLVMDisasmContext(std::string tripleName, void *disInfo, int tagType, 83 LLVMOpInfoCallback getOpInfo, 84 LLVMSymbolLookupCallback symbolLookUp, 85 const Target *theTarget, const MCAsmInfo *mAI, 86 const MCRegisterInfo *mRI, 87 const MCSubtargetInfo *mSI, 88 const MCInstrInfo *mII, 89 llvm::MCContext *ctx, const MCDisassembler *disAsm, 90 MCInstPrinter *iP) : TripleName(tripleName), 91 DisInfo(disInfo), TagType(tagType), GetOpInfo(getOpInfo), 92 SymbolLookUp(symbolLookUp), TheTarget(theTarget), 93 CommentStream(CommentsToEmit) { 94 MAI.reset(mAI); 95 MRI.reset(mRI); 96 MSI.reset(mSI); 97 MII.reset(mII); 98 Ctx.reset(ctx); 99 DisAsm.reset(disAsm); 100 IP.reset(iP); 101 } 102 const std::string &getTripleName() const { return TripleName; } 103 void *getDisInfo() const { return DisInfo; } 104 int getTagType() const { return TagType; } 105 LLVMOpInfoCallback getGetOpInfo() const { return GetOpInfo; } 106 LLVMSymbolLookupCallback getSymbolLookupCallback() const { 107 return SymbolLookUp; 108 } 109 const Target *getTarget() const { return TheTarget; } 110 const MCDisassembler *getDisAsm() const { return DisAsm.get(); } 111 const MCAsmInfo *getAsmInfo() const { return MAI.get(); } 112 MCInstPrinter *getIP() { return IP.get(); } 113 }; 114 115 } // namespace llvm 116 117 #endif 118
