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//===------------- Disassembler.h - LLVM Disassembler -----------*- C++ -*-===//
// The LLVM Compiler Infrastructure
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// This file defines the interface for the Disassembly library's disassembler
// context. The disassembler is responsible for producing strings for
// individual instructions according to a given architecture and disassembly
// syntax.
#include "llvm-c/Disassembler.h"
#include <string>
#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/raw_ostream.h"
namespace llvm {
class MCContext;
class MCAsmInfo;
class MCDisassembler;
class MCInstPrinter;
class MCInstrInfo;
class MCRegisterInfo;
class MCSubtargetInfo;
class Target;
// This is the disassembler context returned by LLVMCreateDisasm().
class LLVMDisasmContext {
// The passed parameters when the disassembler context is created.
// The TripleName for this disassembler.
std::string TripleName;
// The pointer to the caller's block of symbolic information.
void *DisInfo;
// The Triple specific symbolic information type returned by GetOpInfo.
int TagType;
// The function to get the symbolic information for operands.
LLVMOpInfoCallback GetOpInfo;
// The function to look up a symbol name.
LLVMSymbolLookupCallback SymbolLookUp;
// The objects created and saved by LLVMCreateDisasm() then used by
// LLVMDisasmInstruction().
// The LLVM target corresponding to the disassembler.
// FIXME: using llvm::OwningPtr<const llvm::Target> causes a malloc error
// when this LLVMDisasmContext is deleted.
const Target *TheTarget;
// The assembly information for the target architecture.
llvm::OwningPtr<const llvm::MCAsmInfo> MAI;
// The register information for the target architecture.
llvm::OwningPtr<const llvm::MCRegisterInfo> MRI;
// The subtarget information for the target architecture.
llvm::OwningPtr<const llvm::MCSubtargetInfo> MSI;
// The instruction information for the target architecture.
llvm::OwningPtr<const llvm::MCInstrInfo> MII;
// The assembly context for creating symbols and MCExprs.
llvm::OwningPtr<const llvm::MCContext> Ctx;
// The disassembler for the target architecture.
llvm::OwningPtr<const llvm::MCDisassembler> DisAsm;
// The instruction printer for the target architecture.
llvm::OwningPtr<llvm::MCInstPrinter> IP;
// Comment stream and backing vector.
SmallString<128> CommentsToEmit;
raw_svector_ostream CommentStream;
LLVMDisasmContext(std::string tripleName, void *disInfo, int tagType,
LLVMOpInfoCallback getOpInfo,
LLVMSymbolLookupCallback symbolLookUp,
const Target *theTarget, const MCAsmInfo *mAI,
const MCRegisterInfo *mRI,
const MCSubtargetInfo *mSI,
const MCInstrInfo *mII,
llvm::MCContext *ctx, const MCDisassembler *disAsm,
MCInstPrinter *iP) : TripleName(tripleName),
DisInfo(disInfo), TagType(tagType), GetOpInfo(getOpInfo),
SymbolLookUp(symbolLookUp), TheTarget(theTarget),
CommentStream(CommentsToEmit) {
const MCDisassembler *getDisAsm() const { return DisAsm.get(); }
const MCAsmInfo *getAsmInfo() const { return MAI.get(); }
MCInstPrinter *getIP() { return IP.get(); }
} // namespace llvm