WebAssemblyDisassembler.cpp File Reference

This file is part of the WebAssembly Disassembler. More...

#include "MCTargetDesc/WebAssemblyMCAsmInfo.h"
#include "MCTargetDesc/WebAssemblyMCTypeUtilities.h"
#include "TargetInfo/WebAssemblyTargetInfo.h"
#include "llvm/BinaryFormat/Wasm.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/MC/MCSymbolWasm.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/LEB128.h"
#include "WebAssemblyGenDisassemblerTables.inc"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "wasm-disassembler"

Typedefs
using	DecodeStatus = MCDisassembler::DecodeStatus

Functions
static MCDisassembler *	createWebAssemblyDisassembler (const Target &T, const MCSubtargetInfo &STI, MCContext &Ctx)
LLVM_ABI LLVM_EXTERNAL_VISIBILITY void	LLVMInitializeWebAssemblyDisassembler ()
static int	nextByte (ArrayRef< uint8_t > Bytes, uint64_t &Size)
static bool	nextLEB (int64_t &Val, ArrayRef< uint8_t > Bytes, uint64_t &Size, bool Signed)
static bool	parseLEBImmediate (MCInst &MI, uint64_t &Size, ArrayRef< uint8_t > Bytes, bool Signed)
template<typename T >
bool	parseImmediate (MCInst &MI, uint64_t &Size, ArrayRef< uint8_t > Bytes)

Variables
static constexpr int	WebAssemblyInstructionTableSize = 256

Detailed Description

This file is part of the WebAssembly Disassembler.

It contains code to translate the data produced by the decoder into MCInsts.

Definition in file WebAssemblyDisassembler.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "wasm-disassembler"

Definition at line 35 of file WebAssemblyDisassembler.cpp.

Typedef Documentation

DecodeStatus

using DecodeStatus = MCDisassembler::DecodeStatus

Definition at line 37 of file WebAssemblyDisassembler.cpp.

Function Documentation

createWebAssemblyDisassembler()

static MCDisassembler * createWebAssemblyDisassembler ( const Target &  T, const MCSubtargetInfo &  STI, MCContext &  Ctx  )

static

Definition at line 62 of file WebAssemblyDisassembler.cpp.

Referenced by LLVMInitializeWebAssemblyDisassembler().

LLVMInitializeWebAssemblyDisassembler()

LLVM_ABI LLVM_EXTERNAL_VISIBILITY void LLVMInitializeWebAssemblyDisassembler

(

)

Definition at line 70 of file WebAssemblyDisassembler.cpp.

References createWebAssemblyDisassembler(), llvm::getTheWebAssemblyTarget32(), llvm::getTheWebAssemblyTarget64(), and llvm::TargetRegistry::RegisterMCDisassembler().

nextByte()

static int nextByte ( ArrayRef< uint8_t >  Bytes, uint64_t &  Size  )

static

Definition at line 78 of file WebAssemblyDisassembler.cpp.

References llvm::ArrayRef< T >::size(), and Size.

Referenced by readPrefixes().

nextLEB()

static bool nextLEB ( int64_t &  Val, ArrayRef< uint8_t >  Bytes, uint64_t &  Size, bool  Signed  )

static

Definition at line 86 of file WebAssemblyDisassembler.cpp.

References llvm::ArrayRef< T >::data(), llvm::decodeSLEB128(), llvm::decodeULEB128(), N, Signed, llvm::ArrayRef< T >::size(), and Size.

Referenced by parseLEBImmediate().

parseImmediate()

template<typename T >

bool parseImmediate	(	MCInst &	MI,
		uint64_t &	Size,
		ArrayRef< uint8_t >	Bytes
	)

Definition at line 111 of file WebAssemblyDisassembler.cpp.

References llvm::MCOperand::createDFPImm(), llvm::MCOperand::createImm(), llvm::ArrayRef< T >::data(), MI, llvm::ArrayRef< T >::size(), and Size.

parseLEBImmediate()

static bool parseLEBImmediate ( MCInst &  MI, uint64_t &  Size, ArrayRef< uint8_t >  Bytes, bool  Signed  )

static

Definition at line 101 of file WebAssemblyDisassembler.cpp.

References llvm::MCOperand::createImm(), MI, nextLEB(), Signed, and Size.

Variable Documentation

WebAssemblyInstructionTableSize

constexpr int WebAssemblyInstructionTableSize = 256

staticconstexpr

Definition at line 41 of file WebAssemblyDisassembler.cpp.