| //===-- DisassemblerHelper.cpp ----------------------------------*- C++ -*-===// |
| // |
| // 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 "DisassemblerHelper.h" |
| |
| #include "llvm/MC/TargetRegistry.h" |
| |
| namespace llvm { |
| namespace exegesis { |
| |
| DisassemblerHelper::DisassemblerHelper(const LLVMState &State) : State_(State) { |
| MCTargetOptions MCOptions; |
| const auto &TM = State.getTargetMachine(); |
| const auto &Triple = TM.getTargetTriple(); |
| AsmInfo_.reset(TM.getTarget().createMCAsmInfo(State_.getRegInfo(), |
| Triple.str(), MCOptions)); |
| InstPrinter_.reset(TM.getTarget().createMCInstPrinter( |
| Triple, 0 /*default variant*/, *AsmInfo_, State_.getInstrInfo(), |
| State_.getRegInfo())); |
| |
| Context_ = std::make_unique<MCContext>( |
| Triple, AsmInfo_.get(), &State_.getRegInfo(), &State_.getSubtargetInfo()); |
| Disasm_.reset(TM.getTarget().createMCDisassembler(State_.getSubtargetInfo(), |
| *Context_)); |
| assert(Disasm_ && "cannot create MCDisassembler. missing call to " |
| "InitializeXXXTargetDisassembler ?"); |
| } |
| |
| } // namespace exegesis |
| } // namespace llvm |
