//===- ARMDisassembler.cpp - Disassembler for ARM/Thumb ISA ---------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "ARMBaseInstrInfo.h" #include "MCTargetDesc/ARMAddressingModes.h" #include "MCTargetDesc/ARMBaseInfo.h" #include "MCTargetDesc/ARMMCTargetDesc.h" #include "TargetInfo/ARMTargetInfo.h" #include "Utils/ARMBaseInfo.h" #include "llvm/MC/MCContext.h" #include "llvm/MC/MCDecoderOps.h" #include "llvm/MC/MCDisassembler/MCDisassembler.h" #include "llvm/MC/MCInst.h" #include "llvm/MC/MCInstrDesc.h" #include "llvm/MC/MCInstrInfo.h" #include "llvm/MC/MCSubtargetInfo.h" #include "llvm/MC/TargetRegistry.h" #include "llvm/Support/Compiler.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/MathExtras.h" #include "llvm/Support/raw_ostream.h" #include "llvm/TargetParser/SubtargetFeature.h" #include <algorithm> #include <cassert> #include <cstdint> #include <vector> usingnamespacellvm; #define DEBUG_TYPE … DecodeStatus; namespace { // Handles the condition code status of instructions in IT blocks class ITStatus { … }; class VPTStatus { … }; /// ARM disassembler for all ARM platforms. class ARMDisassembler : public MCDisassembler { … }; } // end anonymous namespace // Forward declare these because the autogenerated code will reference them. // Definitions are further down. static DecodeStatus DecodeGPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeCLRMGPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodetGPROddRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodetGPREvenRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeGPRwithAPSR_NZCVnospRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeGPRnopcRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeGPRnospRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeGPRwithAPSRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeGPRwithZRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeGPRwithZRnospRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodetGPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodetcGPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecoderGPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeGPRPairRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeGPRPairnospRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeGPRspRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeHPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeSPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeDPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeDPR_8RegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeSPR_8RegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeDPR_VFP2RegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeQPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMQPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMQQPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMQQQQPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeDPairRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeDPairSpacedRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodePredicateOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeCCOutOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeRegListOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeSPRRegListOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeDPRRegListOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeBitfieldMaskOperand(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeCopMemInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeAddrMode2IdxInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeSORegMemOperand(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeAddrMode3Instruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeTSBInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeSORegImmOperand(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeSORegRegOperand(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMemMultipleWritebackInstruction(MCInst &Inst, unsigned Insn, uint64_t Adddress, const MCDisassembler *Decoder); static DecodeStatus DecodeT2MOVTWInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeArmMOVTWInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeSMLAInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeHINTInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeCPSInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeTSTInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeSETPANInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2CPSInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2HintSpaceInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeAddrModeImm12Operand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeAddrMode5Operand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeAddrMode5FP16Operand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeAddrMode7Operand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2BInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeBranchImmInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeAddrMode6Operand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVLDST1Instruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVLDST2Instruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVLDST3Instruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVLDST4Instruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVLDInstruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVSTInstruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVLD1DupInstruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVLD2DupInstruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVLD3DupInstruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVLD4DupInstruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVMOVModImmInstruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMVEModImmInstruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMVEVADCInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVSHLMaxInstruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeShiftRight8Imm(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeShiftRight16Imm(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeShiftRight32Imm(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeShiftRight64Imm(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeTBLInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodePostIdxReg(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMveAddrModeRQ(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); template <int shift> static DecodeStatus DecodeMveAddrModeQ(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeCoprocessor(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMemBarrierOption(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeInstSyncBarrierOption(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMSRMask(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeBankedReg(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeDoubleRegLoad(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeDoubleRegStore(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeLDRPreImm(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeLDRPreReg(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeSTRPreImm(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeSTRPreReg(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVLD1LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVLD2LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVLD3LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVLD4LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVST1LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVST2LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVST3LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVST4LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVMOVSRR(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVMOVRRS(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeSwap(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVCVTD(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVCVTQ(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVCVTImmOperand(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeNEONComplexLane64Instruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbAddSpecialReg(MCInst &Inst, uint16_t Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbBROperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2BROperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbCmpBROperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbAddrModeRR(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbAddrModeIS(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbAddrModePC(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbAddrModeSP(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2AddrModeSOReg(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2LoadShift(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2LoadImm8(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2LoadImm12(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2LoadT(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2LoadLabel(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2Imm8S4(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2Imm7S4(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2AddrModeImm8s4(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2AddrModeImm7s4(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2AddrModeImm0_1020s4(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2Imm8(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); template <int shift> static DecodeStatus DecodeT2Imm7(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2AddrModeImm8(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); template <int shift> static DecodeStatus DecodeTAddrModeImm7(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); template <int shift, int WriteBack> static DecodeStatus DecodeT2AddrModeImm7(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbAddSPImm(MCInst &Inst, uint16_t Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbAddSPReg(MCInst &Inst, uint16_t Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbCPS(MCInst &Inst, uint16_t Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeQADDInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbBLXOffset(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2AddrModeImm12(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbTableBranch(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumb2BCCInstruction(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2SOImm(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbBCCTargetOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeThumbBLTargetOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeIT(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2LDRDPreInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2STRDPreInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2Adr(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2LdStPre(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2ShifterImmOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeLDR(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecoderForMRRC2AndMCRR2(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeForVMRSandVMSR(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); template <bool isSigned, bool isNeg, bool zeroPermitted, int size> static DecodeStatus DecodeBFLabelOperand(MCInst &Inst, unsigned val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeBFAfterTargetOperand(MCInst &Inst, unsigned val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodePredNoALOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeLOLoop(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeLongShiftOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVSCCLRM(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVPTMaskOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVpredROperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeVpredNOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeRestrictedIPredicateOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeRestrictedSPredicateOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeRestrictedUPredicateOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeRestrictedFPPredicateOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); template <bool Writeback> static DecodeStatus DecodeVSTRVLDR_SYSREG(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); template <int shift> static DecodeStatus DecodeMVE_MEM_1_pre(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); template <int shift> static DecodeStatus DecodeMVE_MEM_2_pre(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); template <int shift> static DecodeStatus DecodeMVE_MEM_3_pre(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); template <unsigned MinLog, unsigned MaxLog> static DecodeStatus DecodePowerTwoOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); template <unsigned start> static DecodeStatus DecodeMVEPairVectorIndexOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMVEVMOVQtoDReg(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMVEVMOVDRegtoQ(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMVEVCVTt1fp(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); OperandDecoder; template <bool scalar, OperandDecoder predicate_decoder> static DecodeStatus DecodeMVEVCMP(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMveVCTP(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMVEVPNOT(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeMVEOverlappingLongShift(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeT2AddSubSPImm(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); static DecodeStatus DecodeLazyLoadStoreMul(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder); #include "ARMGenDisassemblerTables.inc" static MCDisassembler *createARMDisassembler(const Target &T, const MCSubtargetInfo &STI, MCContext &Ctx) { … } // Post-decoding checks static DecodeStatus checkDecodedInstruction(MCInst &MI, uint64_t &Size, uint64_t Address, raw_ostream &CS, uint32_t Insn, DecodeStatus Result) { … } uint64_t ARMDisassembler::suggestBytesToSkip(ArrayRef<uint8_t> Bytes, uint64_t Address) const { … } DecodeStatus ARMDisassembler::getInstruction(MCInst &MI, uint64_t &Size, ArrayRef<uint8_t> Bytes, uint64_t Address, raw_ostream &CS) const { … } DecodeStatus ARMDisassembler::getARMInstruction(MCInst &MI, uint64_t &Size, ArrayRef<uint8_t> Bytes, uint64_t Address, raw_ostream &CS) const { … } /// tryAddingSymbolicOperand - trys to add a symbolic operand in place of the /// immediate Value in the MCInst. The immediate Value has had any PC /// adjustment made by the caller. If the instruction is a branch instruction /// then isBranch is true, else false. If the getOpInfo() function was set as /// part of the setupForSymbolicDisassembly() call then that function is called /// to get any symbolic information at the Address for this instruction. If /// that returns non-zero then the symbolic information it returns is used to /// create an MCExpr and that is added as an operand to the MCInst. If /// getOpInfo() returns zero and isBranch is true then a symbol look up for /// Value is done and if a symbol is found an MCExpr is created with that, else /// an MCExpr with Value is created. This function returns true if it adds an /// operand to the MCInst and false otherwise. static bool tryAddingSymbolicOperand(uint64_t Address, int32_t Value, bool isBranch, uint64_t InstSize, MCInst &MI, const MCDisassembler *Decoder) { … } /// tryAddingPcLoadReferenceComment - trys to add a comment as to what is being /// referenced by a load instruction with the base register that is the Pc. /// These can often be values in a literal pool near the Address of the /// instruction. The Address of the instruction and its immediate Value are /// used as a possible literal pool entry. The SymbolLookUp call back will /// return the name of a symbol referenced by the literal pool's entry if /// the referenced address is that of a symbol. Or it will return a pointer to /// a literal 'C' string if the referenced address of the literal pool's entry /// is an address into a section with 'C' string literals. static void tryAddingPcLoadReferenceComment(uint64_t Address, int Value, const MCDisassembler *Decoder) { … } // Thumb1 instructions don't have explicit S bits. Rather, they // implicitly set CPSR. Since it's not represented in the encoding, the // auto-generated decoder won't inject the CPSR operand. We need to fix // that as a post-pass. void ARMDisassembler::AddThumb1SBit(MCInst &MI, bool InITBlock) const { … } bool ARMDisassembler::isVectorPredicable(const MCInst &MI) const { … } // Most Thumb instructions don't have explicit predicates in the // encoding, but rather get their predicates from IT context. We need // to fix up the predicate operands using this context information as a // post-pass. MCDisassembler::DecodeStatus ARMDisassembler::AddThumbPredicate(MCInst &MI) const { … } // Thumb VFP instructions are a special case. Because we share their // encodings between ARM and Thumb modes, and they are predicable in ARM // mode, the auto-generated decoder will give them an (incorrect) // predicate operand. We need to rewrite these operands based on the IT // context as a post-pass. void ARMDisassembler::UpdateThumbVFPPredicate( DecodeStatus &S, MCInst &MI) const { … } DecodeStatus ARMDisassembler::getThumbInstruction(MCInst &MI, uint64_t &Size, ArrayRef<uint8_t> Bytes, uint64_t Address, raw_ostream &CS) const { … } extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeARMDisassembler() { … } static const uint16_t GPRDecoderTable[] = …; static const uint16_t CLRMGPRDecoderTable[] = …; static DecodeStatus DecodeGPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeCLRMGPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeGPRnopcRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeGPRnospRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeGPRwithAPSRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeGPRwithZRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeGPRwithZRnospRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodetGPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static const uint16_t GPRPairDecoderTable[] = …; static DecodeStatus DecodeGPRPairRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeGPRPairnospRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeGPRspRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodetcGPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecoderGPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static const uint16_t SPRDecoderTable[] = …; static DecodeStatus DecodeSPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeHPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static const uint16_t DPRDecoderTable[] = …; static DecodeStatus DecodeDPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeDPR_8RegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeSPR_8RegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeDPR_VFP2RegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static const uint16_t QPRDecoderTable[] = …; static DecodeStatus DecodeQPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static const uint16_t DPairDecoderTable[] = …; static DecodeStatus DecodeDPairRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static const uint16_t DPairSpacedDecoderTable[] = …; static DecodeStatus DecodeDPairSpacedRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodePredicateOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeCCOutOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeSORegImmOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeSORegRegOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeRegListOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeSPRRegListOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeDPRRegListOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeBitfieldMaskOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeCopMemInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeAddrMode2IdxInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeSORegMemOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeTSBInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeAddrMode3Instruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeRFEInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeQADDInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeMemMultipleWritebackInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } // Check for UNPREDICTABLE predicated ESB instruction static DecodeStatus DecodeHINTInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeCPSInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2CPSInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2HintSpaceInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2MOVTWInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeArmMOVTWInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeSMLAInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeTSTInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeSETPANInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeAddrModeImm12Operand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeAddrMode5Operand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeAddrMode5FP16Operand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeAddrMode7Operand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2BInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeBranchImmInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeAddrMode6Operand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVLDInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVLDST1Instruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVLDST2Instruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVLDST3Instruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVLDST4Instruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVSTInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVLD1DupInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVLD2DupInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVLD3DupInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVLD4DupInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVMOVModImmInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeMVEModImmInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeMVEVADCInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVSHLMaxInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeShiftRight8Imm(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeShiftRight16Imm(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeShiftRight32Imm(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeShiftRight64Imm(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeTBLInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbAddSpecialReg(MCInst &Inst, uint16_t Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbBROperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2BROperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbCmpBROperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbAddrModeRR(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbAddrModeIS(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbAddrModePC(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbAddrModeSP(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2AddrModeSOReg(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2LoadShift(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2LoadImm8(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2LoadImm12(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2LoadT(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2LoadLabel(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2Imm8S4(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2Imm7S4(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2AddrModeImm8s4(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2AddrModeImm7s4(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2AddrModeImm0_1020s4(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2Imm8(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } template <int shift> static DecodeStatus DecodeT2Imm7(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2AddrModeImm8(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } template <int shift> static DecodeStatus DecodeTAddrModeImm7(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } template <int shift, int WriteBack> static DecodeStatus DecodeT2AddrModeImm7(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2LdStPre(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2AddrModeImm12(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbAddSPImm(MCInst &Inst, uint16_t Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbAddSPReg(MCInst &Inst, uint16_t Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbCPS(MCInst &Inst, uint16_t Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodePostIdxReg(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeMveAddrModeRQ(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } template <int shift> static DecodeStatus DecodeMveAddrModeQ(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbBLXOffset(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeCoprocessor(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbTableBranch(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumb2BCCInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } // Decode a shifted immediate operand. These basically consist // of an 8-bit value, and a 4-bit directive that specifies either // a splat operation or a rotation. static DecodeStatus DecodeT2SOImm(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbBCCTargetOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeThumbBLTargetOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeMemBarrierOption(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeInstSyncBarrierOption(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeMSRMask(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeBankedReg(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeDoubleRegLoad(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeDoubleRegStore(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeLDRPreImm(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeLDRPreReg(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeSTRPreImm(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeSTRPreReg(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVLD1LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVST1LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVLD2LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVST2LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVLD3LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVST3LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVLD4LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVST4LN(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVMOVSRR(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVMOVRRS(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeIT(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2LDRDPreInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2STRDPreInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2Adr(MCInst &Inst, uint32_t Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2ShifterImmOperand(MCInst &Inst, uint32_t Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeSwap(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVCVTD(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVCVTQ(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeNEONComplexLane64Instruction(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeLDR(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecoderForMRRC2AndMCRR2(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeForVMRSandVMSR(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } template <bool isSigned, bool isNeg, bool zeroPermitted, int size> static DecodeStatus DecodeBFLabelOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeBFAfterTargetOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodePredNoALOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeLOLoop(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeLongShiftOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodetGPROddRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodetGPREvenRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeGPRwithAPSR_NZCVnospRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVSCCLRM(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeMQPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static const uint16_t QQPRDecoderTable[] = …; static DecodeStatus DecodeMQQPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static const uint16_t QQQQPRDecoderTable[] = …; static DecodeStatus DecodeMQQQQPRRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVPTMaskOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVpredROperand(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } [[maybe_unused]] static DecodeStatus DecodeVpredNOperand(MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeRestrictedIPredicateOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeRestrictedSPredicateOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeRestrictedUPredicateOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeRestrictedFPPredicateOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVCVTImmOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static unsigned FixedRegForVSTRVLDR_SYSREG(unsigned Opcode) { … } template <bool Writeback> static DecodeStatus DecodeVSTRVLDR_SYSREG(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static inline DecodeStatus DecodeMVE_MEM_pre(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder, unsigned Rn, OperandDecoder RnDecoder, OperandDecoder AddrDecoder) { … } template <int shift> static DecodeStatus DecodeMVE_MEM_1_pre(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } template <int shift> static DecodeStatus DecodeMVE_MEM_2_pre(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } template <int shift> static DecodeStatus DecodeMVE_MEM_3_pre(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } template <unsigned MinLog, unsigned MaxLog> static DecodeStatus DecodePowerTwoOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } template <unsigned start> static DecodeStatus DecodeMVEPairVectorIndexOperand(MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeMVEVMOVQtoDReg(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeMVEVMOVDRegtoQ(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeMVEOverlappingLongShift(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeMVEVCVTt1fp(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } template <bool scalar, OperandDecoder predicate_decoder> static DecodeStatus DecodeMVEVCMP(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeMveVCTP(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeMVEVPNOT(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeT2AddSubSPImm(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeLazyLoadStoreMul(MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder) { … }
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