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