71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
//==- WebAssemblyDisassembler.cpp - Disassembler for WebAssembly -*- C++ -*-==//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// \brief This file is part of the WebAssembly Disassembler.
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///
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/// It contains code to translate the data produced by the decoder into
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/// MCInsts.
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///
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//===----------------------------------------------------------------------===//
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#include "WebAssembly.h"
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#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCDisassembler/MCDisassembler.h"
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#include "llvm/MC/MCInst.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/MC/MCSymbol.h"
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#include "llvm/Support/Endian.h"
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#include "llvm/Support/TargetRegistry.h"
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using namespace llvm;
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#define DEBUG_TYPE "wasm-disassembler"
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namespace {
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class WebAssemblyDisassembler final : public MCDisassembler {
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std::unique_ptr<const MCInstrInfo> MCII;
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DecodeStatus getInstruction(MCInst &Instr, uint64_t &Size,
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ArrayRef<uint8_t> Bytes, uint64_t Address,
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raw_ostream &VStream,
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raw_ostream &CStream) const override;
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public:
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WebAssemblyDisassembler(const MCSubtargetInfo &STI, MCContext &Ctx,
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std::unique_ptr<const MCInstrInfo> MCII)
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: MCDisassembler(STI, Ctx), MCII(std::move(MCII)) {}
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};
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} // end anonymous namespace
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static MCDisassembler *createWebAssemblyDisassembler(const Target &T,
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const MCSubtargetInfo &STI,
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MCContext &Ctx) {
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std::unique_ptr<const MCInstrInfo> MCII(T.createMCInstrInfo());
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return new WebAssemblyDisassembler(STI, Ctx, std::move(MCII));
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}
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extern "C" void LLVMInitializeWebAssemblyDisassembler() {
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// Register the disassembler for each target.
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TargetRegistry::RegisterMCDisassembler(getTheWebAssemblyTarget32(),
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createWebAssemblyDisassembler);
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TargetRegistry::RegisterMCDisassembler(getTheWebAssemblyTarget64(),
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createWebAssemblyDisassembler);
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}
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MCDisassembler::DecodeStatus WebAssemblyDisassembler::getInstruction(
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MCInst &MI, uint64_t &Size, ArrayRef<uint8_t> Bytes, uint64_t /*Address*/,
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raw_ostream &OS, raw_ostream &CS) const {
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// TODO: Implement disassembly.
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return MCDisassembler::Fail;
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}
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