35 lines
1.4 KiB
C++
35 lines
1.4 KiB
C++
//===-- DisassemblerHelper.cpp ----------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "DisassemblerHelper.h"
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#include "llvm/MC/TargetRegistry.h"
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namespace llvm {
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namespace exegesis {
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DisassemblerHelper::DisassemblerHelper(const LLVMState &State) : State_(State) {
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MCTargetOptions MCOptions;
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const auto &TM = State.getTargetMachine();
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const auto &Triple = TM.getTargetTriple();
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AsmInfo_.reset(TM.getTarget().createMCAsmInfo(State_.getRegInfo(),
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Triple.str(), MCOptions));
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InstPrinter_.reset(TM.getTarget().createMCInstPrinter(
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Triple, 0 /*default variant*/, *AsmInfo_, State_.getInstrInfo(),
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State_.getRegInfo()));
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Context_ = std::make_unique<MCContext>(
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Triple, AsmInfo_.get(), &State_.getRegInfo(), &State_.getSubtargetInfo());
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Disasm_.reset(TM.getTarget().createMCDisassembler(State_.getSubtargetInfo(),
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*Context_));
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assert(Disasm_ && "cannot create MCDisassembler. missing call to "
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"InitializeXXXTargetDisassembler ?");
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}
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} // namespace exegesis
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} // namespace llvm
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