WebAssemblyDisassembler.cpp File Reference

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

#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCDisassembler/MCDisassembler.h"
#include "llvm/MC/MCFixedLenDisassembler.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/LEB128.h"
#include "llvm/Support/TargetRegistry.h"
#include "WebAssemblyGenDisassemblerTables.inc"

Include dependency graph for WebAssemblyDisassembler.cpp:

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Macros
#define	DEBUG_TYPE   "wasm-disassembler"

Typedefs
using	DecodeStatus = MCDisassembler::DecodeStatus

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

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 32 of file WebAssemblyDisassembler.cpp.

Typedef Documentation

DecodeStatus

using DecodeStatus = MCDisassembler::DecodeStatus

Definition at line 34 of file WebAssemblyDisassembler.cpp.

Function Documentation

createWebAssemblyDisassembler()

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

static

Definition at line 56 of file WebAssemblyDisassembler.cpp.

References llvm::Target::createMCInstrInfo().

Referenced by LLVMInitializeWebAssemblyDisassembler().

LLVMInitializeWebAssemblyDisassembler()

void LLVMInitializeWebAssemblyDisassembler

(

)

Definition at line 63 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 71 of file WebAssemblyDisassembler.cpp.

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

Referenced by parseImmediate(), readPrefixes(), and setPrefixPresent().

nextLEB()

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

static

Definition at line 79 of file WebAssemblyDisassembler.cpp.

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

Referenced by parseImmediate(), and parseLEBImmediate().

parseImmediate()

template<typename T >

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

Definition at line 104 of file WebAssemblyDisassembler.cpp.

References llvm::MCInst::addOperand(), assert(), llvm::MCOperand::createFPImm(), llvm::MCOperand::createImm(), llvm::ArrayRef< T >::data(), llvm::MCDisassembler::Fail, I, llvm_unreachable, llvm::Intrinsic::memcpy, MI, nextByte(), nextLEB(), llvm::WebAssembly::OPERAND_BASIC_BLOCK, llvm::WebAssembly::OPERAND_BRLIST, llvm::WebAssembly::OPERAND_F32IMM, llvm::WebAssembly::OPERAND_F64IMM, llvm::WebAssembly::OPERAND_FUNCTION32, llvm::WebAssembly::OPERAND_GLOBAL, llvm::WebAssembly::OPERAND_I32IMM, llvm::WebAssembly::OPERAND_I64IMM, llvm::MCOI::OPERAND_IMMEDIATE, llvm::WebAssembly::OPERAND_LOCAL, llvm::WebAssembly::OPERAND_OFFSET32, llvm::WebAssembly::OPERAND_P2ALIGN, llvm::MCOI::OPERAND_REGISTER, llvm::WebAssembly::OPERAND_SIGNATURE, llvm::WebAssembly::OPERAND_TYPEINDEX, llvm::WebAssembly::OPERAND_VEC_I16IMM, llvm::WebAssembly::OPERAND_VEC_I32IMM, llvm::WebAssembly::OPERAND_VEC_I64IMM, llvm::WebAssembly::OPERAND_VEC_I8IMM, parseLEBImmediate(), llvm::MCInst::setOpcode(), Size, llvm::ArrayRef< T >::size(), llvm::MCDisassembler::Success, and T.

Referenced by convertFPR32ToFPR64(), and shouldBeSls().

parseLEBImmediate()

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

static

Definition at line 94 of file WebAssemblyDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), and nextLEB().

Referenced by parseImmediate().