MCDecoderOps.h

Go to the documentation of this file.

//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// Disassembler decoder state machine ops.
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_MCDECODEROPS_H
#define LLVM_MC_MCDECODEROPS_H
 
namespace llvm::MCD {
 
// Disassembler state machine opcodes.
// nts_t is either uint16_t or uint24_t based on whether large decoder table is
// enabled.
enum DecoderOps {
  OPC_Scope = 1,         // OPC_Scope(nts_t NumToSkip)
  OPC_ExtractField,      // OPC_ExtractField(uleb128 Start, uint8_t Len)
  OPC_FilterValueOrSkip, // OPC_FilterValueOrSkip(uleb128 Val, nts_t NumToSkip)
  OPC_FilterValue,       // OPC_FilterValue(uleb128 Val)
  OPC_CheckField,        // OPC_CheckField(uleb128 Start, uint8_t Len,
                         //                uleb128 Val)
  OPC_CheckPredicate,    // OPC_CheckPredicate(uleb128 PIdx)
  OPC_Decode,            // OPC_Decode(uleb128 Opcode, uleb128 DIdx)
  OPC_SoftFail,          // OPC_SoftFail(uleb128 PMask, uleb128 NMask)
};
 
} // namespace llvm::MCD
 
#endif