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//===-- 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
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