llvm-6502/lib/MC/MCDisassembler/Disassembler.h
Evan Cheng 0e6a052331 Sink getDwarfRegNum, getLLVMRegNum, getSEHRegNum from TargetRegisterInfo down
to MCRegisterInfo. Also initialize the mapping at construction time.

This patch eliminate TargetRegisterInfo from TargetAsmInfo. It's another step
towards fixing the layering violation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135424 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18 20:57:22 +00:00

102 lines
3.6 KiB
C++

//===------------- 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.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_DISASSEMBLER_H
#define LLVM_MC_DISASSEMBLER_H
#include "llvm-c/Disassembler.h"
#include <string>
#include "llvm/ADT/OwningPtr.h"
namespace llvm {
class TargetAsmInfo;
class MCContext;
class MCAsmInfo;
class MCDisassembler;
class MCInstPrinter;
class MCRegisterInfo;
class Target;
class TargetMachine;
//
// This is the disassembler context returned by LLVMCreateDisasm().
//
class LLVMDisasmContext {
private:
//
// 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 target machine instance.
llvm::OwningPtr<llvm::TargetMachine> TM;
// The disassembler for the target architecture.
// FIXME: using llvm::OwningPtr<const llvm::TargetAsmInfo> causes a malloc
// error when this LLVMDisasmContext is deleted.
const TargetAsmInfo *Tai;
// 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;
public:
LLVMDisasmContext(std::string tripleName, void *disInfo, int tagType,
LLVMOpInfoCallback getOpInfo,
LLVMSymbolLookupCallback symbolLookUp,
const Target *theTarget, const MCAsmInfo *mAI,
const MCRegisterInfo *mRI,
llvm::TargetMachine *tM, const TargetAsmInfo *tai,
llvm::MCContext *ctx, const MCDisassembler *disAsm,
MCInstPrinter *iP) : TripleName(tripleName),
DisInfo(disInfo), TagType(tagType), GetOpInfo(getOpInfo),
SymbolLookUp(symbolLookUp), TheTarget(theTarget), Tai(tai) {
TM.reset(tM);
MAI.reset(mAI);
MRI.reset(mRI);
Ctx.reset(ctx);
DisAsm.reset(disAsm);
IP.reset(iP);
}
const MCDisassembler *getDisAsm() const { return DisAsm.get(); }
MCInstPrinter *getIP() { return IP.get(); }
};
} // namespace llvm
#endif