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	itinerary model in case the target does not supply a scheduling model. By doing this, targets like cortex-a8 can benefit from the latency printing feature added in r191859. This part of <rdar://problem/14687488>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191916 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			131 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			131 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//===------------- Disassembler.h - LLVM Disassembler -----------*- C++ -*-===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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// 
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//===----------------------------------------------------------------------===//
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//
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// This file defines the interface for the Disassembly library's disassembler 
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// context.  The disassembler is responsible for producing strings for
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// individual instructions according to a given architecture and disassembly
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// syntax.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_DISASSEMBLER_H
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#define LLVM_MC_DISASSEMBLER_H
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#include "llvm-c/Disassembler.h"
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#include "llvm/ADT/OwningPtr.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Support/raw_ostream.h"
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#include <string>
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namespace llvm {
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class MCContext;
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class MCAsmInfo;
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class MCDisassembler;
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class MCInstPrinter; 
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class MCInstrInfo;
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class MCRegisterInfo;
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class MCSubtargetInfo;
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class Target;
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//
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// This is the disassembler context returned by LLVMCreateDisasm().
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//
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class LLVMDisasmContext {
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private:
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  //
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  // The passed parameters when the disassembler context is created.
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  //
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  // The TripleName for this disassembler.
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  std::string TripleName;
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  // The pointer to the caller's block of symbolic information.
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  void *DisInfo;
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  // The Triple specific symbolic information type returned by GetOpInfo.
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  int TagType;
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  // The function to get the symbolic information for operands.
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  LLVMOpInfoCallback GetOpInfo;
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  // The function to look up a symbol name.
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  LLVMSymbolLookupCallback SymbolLookUp;
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  //
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  // The objects created and saved by LLVMCreateDisasm() then used by
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  // LLVMDisasmInstruction().
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  //
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  // The LLVM target corresponding to the disassembler.
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  // FIXME: using llvm::OwningPtr<const llvm::Target> causes a malloc error
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  //        when this LLVMDisasmContext is deleted.
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  const Target *TheTarget;
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  // The assembly information for the target architecture.
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  llvm::OwningPtr<const llvm::MCAsmInfo> MAI;
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  // The register information for the target architecture.
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  llvm::OwningPtr<const llvm::MCRegisterInfo> MRI;
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  // The subtarget information for the target architecture.
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  llvm::OwningPtr<const llvm::MCSubtargetInfo> MSI;
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  // The instruction information for the target architecture.
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  llvm::OwningPtr<const llvm::MCInstrInfo> MII;
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  // The assembly context for creating symbols and MCExprs.
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  llvm::OwningPtr<const llvm::MCContext> Ctx;
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  // The disassembler for the target architecture.
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  llvm::OwningPtr<const llvm::MCDisassembler> DisAsm;
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  // The instruction printer for the target architecture.
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  llvm::OwningPtr<llvm::MCInstPrinter> IP;
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  // The options used to set up the disassembler.
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  uint64_t Options;
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  // The CPU string.
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  std::string CPU;
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public:
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  // Comment stream and backing vector.
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  SmallString<128> CommentsToEmit;
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  raw_svector_ostream CommentStream;
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  LLVMDisasmContext(std::string tripleName, void *disInfo, int tagType,
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                    LLVMOpInfoCallback getOpInfo,
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                    LLVMSymbolLookupCallback symbolLookUp,
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                    const Target *theTarget, const MCAsmInfo *mAI,
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                    const MCRegisterInfo *mRI,
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                    const MCSubtargetInfo *mSI,
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                    const MCInstrInfo *mII,
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                    llvm::MCContext *ctx, const MCDisassembler *disAsm,
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                    MCInstPrinter *iP) : TripleName(tripleName),
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                    DisInfo(disInfo), TagType(tagType), GetOpInfo(getOpInfo),
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                    SymbolLookUp(symbolLookUp), TheTarget(theTarget),
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                    Options(0),
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                    CommentStream(CommentsToEmit) {
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    MAI.reset(mAI);
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    MRI.reset(mRI);
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    MSI.reset(mSI);
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    MII.reset(mII);
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    Ctx.reset(ctx);
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    DisAsm.reset(disAsm);
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    IP.reset(iP);
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  }
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  const std::string &getTripleName() const { return TripleName; }
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  void *getDisInfo() const { return DisInfo; }
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  int getTagType() const { return TagType; }
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  LLVMOpInfoCallback getGetOpInfo() const { return GetOpInfo; }
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  LLVMSymbolLookupCallback getSymbolLookupCallback() const {
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    return SymbolLookUp;
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  }
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  const Target *getTarget() const { return TheTarget; }
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  const MCDisassembler *getDisAsm() const { return DisAsm.get(); }
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  const MCAsmInfo *getAsmInfo() const { return MAI.get(); }
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  const MCInstrInfo *getInstrInfo() const { return MII.get(); }
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  const MCRegisterInfo *getRegisterInfo() const { return MRI.get(); }
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  const MCSubtargetInfo *getSubtargetInfo() const { return MSI.get(); }
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  MCInstPrinter *getIP() { return IP.get(); }
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  void setIP(MCInstPrinter *NewIP) { IP.reset(NewIP); }
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  uint64_t getOptions() const { return Options; }
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  void addOptions(uint64_t Options) { this->Options |= Options; }
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  StringRef getCPU() const { return CPU; }
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  void setCPU(const char *CPU) { this->CPU = CPU; }
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};
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} // namespace llvm
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#endif
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