ARM/Disassembler/ARMDisassembler.cpp

415 DecodeStatus ARMDisassembler::getInstruction(MCInst &MI, uint64_t &Size,
440   DecodeStatus result = decodeInstruction(DecoderTableARM32, MI, insn,
449   MI.clear();
450   result = decodeInstruction(DecoderTableVFP32, MI, insn, Address, this, STI);
456   MI.clear();
457   result = decodeInstruction(DecoderTableVFPV832, MI, insn, Address, this, STI);
463   MI.clear();
464   result = decodeInstruction(DecoderTableNEONData32, MI, insn, Address,
470     if (!DecodePredicateOperand(MI, 0xE, Address, this))
475   MI.clear();
476   result = decodeInstruction(DecoderTableNEONLoadStore32, MI, insn, Address,
482     if (!DecodePredicateOperand(MI, 0xE, Address, this))
487   MI.clear();
488   result = decodeInstruction(DecoderTableNEONDup32, MI, insn, Address,
494     if (!DecodePredicateOperand(MI, 0xE, Address, this))
499   MI.clear();
500   result = decodeInstruction(DecoderTablev8NEON32, MI, insn, Address,
507   MI.clear();
508   result = decodeInstruction(DecoderTablev8Crypto32, MI, insn, Address,
515   MI.clear();
538                                      MCInst &MI, const void *Decoder) {
541   return Dis->tryAddingSymbolicOperand(MI, (uint32_t)Value, Address, isBranch,
564 static void AddThumb1SBit(MCInst &MI, bool InITBlock) {
565   const MCOperandInfo *OpInfo = ARMInsts[MI.getOpcode()].OpInfo;
566   unsigned short NumOps = ARMInsts[MI.getOpcode()].NumOperands;
567   MCInst::iterator I = MI.begin();
569     if (I == MI.end()) break;
572       MI.insert(I, MCOperand::CreateReg(InITBlock ? 0 : ARM::CPSR));
577   MI.insert(I, MCOperand::CreateReg(InITBlock ? 0 : ARM::CPSR));
585 ThumbDisassembler::AddThumbPredicate(MCInst &MI) const {
590   switch (MI.getOpcode()) {
630   const MCOperandInfo *OpInfo = ARMInsts[MI.getOpcode()].OpInfo;
631   unsigned short NumOps = ARMInsts[MI.getOpcode()].NumOperands;
632   MCInst::iterator I = MI.begin();
634     if (I == MI.end()) break;
636       I = MI.insert(I, MCOperand::CreateImm(CC));
639         MI.insert(I, MCOperand::CreateReg(0));
641         MI.insert(I, MCOperand::CreateReg(ARM::CPSR));
646   I = MI.insert(I, MCOperand::CreateImm(CC));
649     MI.insert(I, MCOperand::CreateReg(0));
651     MI.insert(I, MCOperand::CreateReg(ARM::CPSR));
661 void ThumbDisassembler::UpdateThumbVFPPredicate(MCInst &MI) const {
667   const MCOperandInfo *OpInfo = ARMInsts[MI.getOpcode()].OpInfo;
668   MCInst::iterator I = MI.begin();
669   unsigned short NumOps = ARMInsts[MI.getOpcode()].NumOperands;
683 DecodeStatus ThumbDisassembler::getInstruction(MCInst &MI, uint64_t &Size,
702   DecodeStatus result = decodeInstruction(DecoderTableThumb16, MI, insn16,
706     Check(result, AddThumbPredicate(MI));
710   MI.clear();
711   result = decodeInstruction(DecoderTableThumbSBit16, MI, insn16,
716     Check(result, AddThumbPredicate(MI));
717     AddThumb1SBit(MI, InITBlock);
721   MI.clear();
722   result = decodeInstruction(DecoderTableThumb216, MI, insn16,
729     if (MI.getOpcode() == ARM::t2IT && ITBlock.instrInITBlock())
732     Check(result, AddThumbPredicate(MI));
737     if (MI.getOpcode() == ARM::t2IT) {
739       unsigned Firstcond = MI.getOperand(0).getImm();
740       unsigned Mask = MI.getOperand(1).getImm();
757   MI.clear();
758   result = decodeInstruction(DecoderTableThumb32, MI, insn32, Address,
763     Check(result, AddThumbPredicate(MI));
764     AddThumb1SBit(MI, InITBlock);
768   MI.clear();
769   result = decodeInstruction(DecoderTableThumb232, MI, insn32, Address,
773     Check(result, AddThumbPredicate(MI));
778     MI.clear();
779     result = decodeInstruction(DecoderTableVFP32, MI, insn32, Address, this, STI);
782       UpdateThumbVFPPredicate(MI);
787   MI.clear();
788   result = decodeInstruction(DecoderTableVFPV832, MI, insn32, Address, this, STI);
795     MI.clear();
796     result = decodeInstruction(DecoderTableNEONDup32, MI, insn32, Address,
800       Check(result, AddThumbPredicate(MI));
806     MI.clear();
810     result = decodeInstruction(DecoderTableNEONLoadStore32, MI, NEONLdStInsn,
814       Check(result, AddThumbPredicate(MI));
820     MI.clear();
825     result = decodeInstruction(DecoderTableNEONData32, MI, NEONDataInsn,
829       Check(result, AddThumbPredicate(MI));
833     MI.clear();
838     result = decodeInstruction(DecoderTablev8Crypto32, MI, NEONCryptoInsn,
845     MI.clear();
848     result = decodeInstruction(DecoderTablev8NEON32, MI, NEONv8Insn, Address,
856   MI.clear();