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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
127 lines
4.9 KiB
C++
127 lines
4.9 KiB
C++
//===------------- Disassembler.h - LLVM Disassembler -----------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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_LIB_MC_MCDISASSEMBLER_DISASSEMBLER_H
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#define LLVM_LIB_MC_MCDISASSEMBLER_DISASSEMBLER_H
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#include "llvm-c/Disassembler.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCDisassembler/MCDisassembler.h"
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#include "llvm/MC/MCInstPrinter.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCRegisterInfo.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/Support/raw_ostream.h"
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#include <string>
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#include <utility>
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namespace llvm {
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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 std::unique_ptr<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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std::unique_ptr<const llvm::MCAsmInfo> MAI;
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// The register information for the target architecture.
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std::unique_ptr<const llvm::MCRegisterInfo> MRI;
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// The subtarget information for the target architecture.
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std::unique_ptr<const llvm::MCSubtargetInfo> MSI;
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// The instruction information for the target architecture.
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std::unique_ptr<const llvm::MCInstrInfo> MII;
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// The assembly context for creating symbols and MCExprs.
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std::unique_ptr<const llvm::MCContext> Ctx;
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// The disassembler for the target architecture.
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std::unique_ptr<const llvm::MCDisassembler> DisAsm;
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// The instruction printer for the target architecture.
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std::unique_ptr<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, const MCSubtargetInfo *mSI,
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const MCInstrInfo *mII, llvm::MCContext *ctx,
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const MCDisassembler *disAsm, MCInstPrinter *iP)
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: TripleName(std::move(tripleName)), DisInfo(disInfo), TagType(tagType),
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GetOpInfo(getOpInfo), SymbolLookUp(symbolLookUp), TheTarget(theTarget),
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Options(0), 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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