AMDGPUDisassembler.cpp File Reference

This file contains definition for AMDGPU ISA disassembler. More...

#include "Disassembler/AMDGPUDisassembler.h"
#include "AMDGPU.h"
#include "AMDGPURegisterInfo.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "SIDefines.h"
#include "TargetInfo/AMDGPUTargetInfo.h"
#include "Utils/AMDGPUBaseInfo.h"
#include "llvm-c/Disassembler.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/Twine.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCDisassembler/MCDisassembler.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCFixedLenDisassembler.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <iterator>
#include <tuple>
#include <vector>
#include "AMDGPUGenDisassemblerTables.inc"

Include dependency graph for AMDGPUDisassembler.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "amdgpu-disassembler"
#define	SGPR_MAX
#define	DECODE_OPERAND(StaticDecoderName, DecoderName)
#define	DECODE_OPERAND_REG(RegClass)   DECODE_OPERAND(Decode##RegClass##RegisterClass, decodeOperand_##RegClass)
#define	DECODE_SDWA(DecName)   DECODE_OPERAND(decodeSDWA##DecName, decodeSDWA##DecName)

Typedefs
using	DecodeStatus = llvm::MCDisassembler::DecodeStatus

Functions
static MCDisassembler::DecodeStatus	addOperand (MCInst &Inst, const MCOperand &Opnd)
static int	insertNamedMCOperand (MCInst &MI, const MCOperand &Op, uint16_t NameIdx)
static DecodeStatus	decodeSoppBrTarget (MCInst &Inst, unsigned Imm, uint64_t Addr, const void *Decoder)
static DecodeStatus	decodeBoolReg (MCInst &Inst, unsigned Val, uint64_t Addr, const void *Decoder)
static DecodeStatus	decodeOperand_VSrc16 (MCInst &Inst, unsigned Imm, uint64_t Addr, const void *Decoder)
static DecodeStatus	decodeOperand_VSrcV216 (MCInst &Inst, unsigned Imm, uint64_t Addr, const void *Decoder)
static DecodeStatus	decodeOperand_VS_16 (MCInst &Inst, unsigned Imm, uint64_t Addr, const void *Decoder)
static DecodeStatus	decodeOperand_VS_32 (MCInst &Inst, unsigned Imm, uint64_t Addr, const void *Decoder)
static DecodeStatus	decodeOperand_AReg_128 (MCInst &Inst, unsigned Imm, uint64_t Addr, const void *Decoder)
static DecodeStatus	decodeOperand_AReg_512 (MCInst &Inst, unsigned Imm, uint64_t Addr, const void *Decoder)
static DecodeStatus	decodeOperand_AReg_1024 (MCInst &Inst, unsigned Imm, uint64_t Addr, const void *Decoder)
static DecodeStatus	decodeOperand_SReg_32 (MCInst &Inst, unsigned Imm, uint64_t Addr, const void *Decoder)
static DecodeStatus	decodeOperand_VGPR_32 (MCInst &Inst, unsigned Imm, uint64_t Addr, const void *Decoder)
template<typename T >
static T	eatBytes (ArrayRef< uint8_t > &Bytes)
static bool	isValidDPP8 (const MCInst &MI)
static int64_t	getInlineImmVal32 (unsigned Imm)
static int64_t	getInlineImmVal64 (unsigned Imm)
static int64_t	getInlineImmVal16 (unsigned Imm)
static MCSymbolizer *	createAMDGPUSymbolizer (const Triple &, LLVMOpInfoCallback, LLVMSymbolLookupCallback, void *DisInfo, MCContext *Ctx, std::unique_ptr< MCRelocationInfo > &&RelInfo)
static MCDisassembler *	createAMDGPUDisassembler (const Target &T, const MCSubtargetInfo &STI, MCContext &Ctx)
void	LLVMInitializeAMDGPUDisassembler ()

Detailed Description

This file contains definition for AMDGPU ISA disassembler.

Definition in file AMDGPUDisassembler.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "amdgpu-disassembler"

Definition at line 53 of file AMDGPUDisassembler.cpp.

DECODE_OPERAND

#define DECODE_OPERAND	(		StaticDecoderName,
			DecoderName
	)

Value:

static DecodeStatus StaticDecoderName(MCInst &Inst, \
                                       unsigned Imm, \
                                       uint64_t /*Addr*/, \
                                       const void *Decoder) { \
  auto DAsm = static_cast<const AMDGPUDisassembler*>(Decoder); \
  return addOperand(Inst, DAsm->DecoderName(Imm)); \
}

Definition at line 110 of file AMDGPUDisassembler.cpp.

DECODE_OPERAND_REG

#define DECODE_OPERAND_REG

(

RegClass

)

DECODE_OPERAND(Decode##RegClass##RegisterClass, decodeOperand_##RegClass)

Definition at line 119 of file AMDGPUDisassembler.cpp.

DECODE_SDWA

#define DECODE_SDWA

(

DecName

)

DECODE_OPERAND(decodeSDWA##DecName, decodeSDWA##DecName)

Definition at line 221 of file AMDGPUDisassembler.cpp.

SGPR_MAX

#define SGPR_MAX

Value:

(isGFX10() ? AMDGPU::EncValues::SGPR_MAX_GFX10 \
                            : AMDGPU::EncValues::SGPR_MAX_SI)

Definition at line 55 of file AMDGPUDisassembler.cpp.

Referenced by llvm::AMDGPUDisassembler::decodeDstOp(), llvm::AMDGPUDisassembler::decodeSDWAVopcDst(), and llvm::AMDGPUDisassembler::decodeSrcOp().

Typedef Documentation

DecodeStatus

using DecodeStatus = llvm::MCDisassembler::DecodeStatus

Definition at line 58 of file AMDGPUDisassembler.cpp.

Function Documentation

addOperand()

static MCDisassembler::DecodeStatus addOperand ( MCInst &  Inst, const MCOperand &  Opnd  )

inlinestatic

Definition at line 72 of file AMDGPUDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::isValid(), llvm::MCDisassembler::SoftFail, and llvm::MCDisassembler::Success.

Referenced by decodeBoolReg(), decodeOperand_AReg_1024(), decodeOperand_AReg_128(), decodeOperand_AReg_512(), decodeOperand_SReg_32(), decodeOperand_VGPR_32(), decodeOperand_VS_16(), decodeOperand_VS_32(), decodeOperand_VSrc16(), decodeOperand_VSrcV216(), decodeSoppBrTarget(), EmitNops(), llvm::NamedMDNode::getParent(), matchRegisterNameHelper(), and llvm::VPUser::VPUser().

createAMDGPUDisassembler()

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

static

Definition at line 1257 of file AMDGPUDisassembler.cpp.

References llvm::AMDGPUDisassembler::AMDGPUDisassembler(), and llvm::Target::createMCInstrInfo().

Referenced by LLVMInitializeAMDGPUDisassembler().

createAMDGPUSymbolizer()

static MCSymbolizer* createAMDGPUSymbolizer ( const Triple &  , LLVMOpInfoCallback  , LLVMSymbolLookupCallback  , void *  DisInfo, MCContext *  Ctx, std::unique_ptr< MCRelocationInfo > &&  RelInfo  )

static

Definition at line 1248 of file AMDGPUDisassembler.cpp.

Referenced by LLVMInitializeAMDGPUDisassembler().

decodeBoolReg()

static DecodeStatus decodeBoolReg ( MCInst &  Inst, unsigned  Val, uint64_t  Addr, const void *  Decoder  )

static

Definition at line 104 of file AMDGPUDisassembler.cpp.

References addOperand().

decodeOperand_AReg_1024()

static DecodeStatus decodeOperand_AReg_1024 ( MCInst &  Inst, unsigned  Imm, uint64_t  Addr, const void *  Decoder  )

static

Definition at line 197 of file AMDGPUDisassembler.cpp.

References addOperand(), and llvm::AMDGPUDisassembler::OPW1024.

decodeOperand_AReg_128()

static DecodeStatus decodeOperand_AReg_128 ( MCInst &  Inst, unsigned  Imm, uint64_t  Addr, const void *  Decoder  )

static

Definition at line 181 of file AMDGPUDisassembler.cpp.

References addOperand(), and llvm::AMDGPUDisassembler::OPW128.

decodeOperand_AReg_512()

static DecodeStatus decodeOperand_AReg_512 ( MCInst &  Inst, unsigned  Imm, uint64_t  Addr, const void *  Decoder  )

static

Definition at line 189 of file AMDGPUDisassembler.cpp.

References addOperand(), and llvm::AMDGPUDisassembler::OPW512.

decodeOperand_SReg_32()

static DecodeStatus decodeOperand_SReg_32 ( MCInst &  Inst, unsigned  Imm, uint64_t  Addr, const void *  Decoder  )

static

Definition at line 205 of file AMDGPUDisassembler.cpp.

References addOperand().

decodeOperand_VGPR_32()

static DecodeStatus decodeOperand_VGPR_32 ( MCInst &  Inst, unsigned  Imm, uint64_t  Addr, const void *  Decoder  )

static

Definition at line 213 of file AMDGPUDisassembler.cpp.

References addOperand(), and llvm::AMDGPUDisassembler::OPW32.

decodeOperand_VS_16()

static DecodeStatus decodeOperand_VS_16 ( MCInst &  Inst, unsigned  Imm, uint64_t  Addr, const void *  Decoder  )

static

Definition at line 165 of file AMDGPUDisassembler.cpp.

References addOperand().

decodeOperand_VS_32()

static DecodeStatus decodeOperand_VS_32 ( MCInst &  Inst, unsigned  Imm, uint64_t  Addr, const void *  Decoder  )

static

Definition at line 173 of file AMDGPUDisassembler.cpp.

References addOperand().

decodeOperand_VSrc16()

static DecodeStatus decodeOperand_VSrc16 ( MCInst &  Inst, unsigned  Imm, uint64_t  Addr, const void *  Decoder  )

static

Definition at line 149 of file AMDGPUDisassembler.cpp.

References addOperand().

decodeOperand_VSrcV216()

static DecodeStatus decodeOperand_VSrcV216 ( MCInst &  Inst, unsigned  Imm, uint64_t  Addr, const void *  Decoder  )

static

Definition at line 157 of file AMDGPUDisassembler.cpp.

References addOperand().

decodeSoppBrTarget()

static DecodeStatus decodeSoppBrTarget ( MCInst &  Inst, unsigned  Imm, uint64_t  Addr, const void *  Decoder  )

static

Definition at line 90 of file AMDGPUDisassembler.cpp.

References addOperand(), llvm::MCOperand::createImm(), llvm::APInt::sext(), and llvm::MCDisassembler::Success.

eatBytes()

template<typename T >

static T eatBytes ( ArrayRef< uint8_t > &  Bytes )

inlinestatic

Definition at line 234 of file AMDGPUDisassembler.cpp.

References assert(), llvm::ArrayRef< T >::data(), llvm::ArrayRef< T >::size(), llvm::ArrayRef< T >::slice(), and T.

getInlineImmVal16()

static int64_t getInlineImmVal16 ( unsigned  Imm )

static

Definition at line 871 of file AMDGPUDisassembler.cpp.

References llvm_unreachable.

Referenced by llvm::AMDGPUDisassembler::decodeFPImmed().

getInlineImmVal32()

static int64_t getInlineImmVal32 ( unsigned  Imm )

static

Definition at line 821 of file AMDGPUDisassembler.cpp.

References llvm::FloatToBits(), and llvm_unreachable.

Referenced by llvm::AMDGPUDisassembler::decodeFPImmed().

getInlineImmVal64()

static int64_t getInlineImmVal64 ( unsigned  Imm )

static

Definition at line 846 of file AMDGPUDisassembler.cpp.

References llvm::DoubleToBits(), and llvm_unreachable.

Referenced by llvm::AMDGPUDisassembler::decodeFPImmed().

insertNamedMCOperand()

static int insertNamedMCOperand ( MCInst &  MI, const MCOperand &  Op, uint16_t  NameIdx  )

static

Definition at line 79 of file AMDGPUDisassembler.cpp.

References llvm::MCInst::begin(), llvm::AMDGPU::getNamedOperandIdx(), llvm::MCInst::getOpcode(), I, and llvm::MCInst::insert().

Referenced by llvm::AMDGPUDisassembler::convertDPP8Inst(), llvm::AMDGPUDisassembler::convertSDWAInst(), and llvm::AMDGPUDisassembler::getInstruction().

isValidDPP8()

static bool isValidDPP8 ( const MCInst &  MI )

static

Definition at line 258 of file AMDGPUDisassembler.cpp.

References assert(), llvm::AMDGPU::DPP::DPP8_FI_0, llvm::AMDGPU::DPP::DPP8_FI_1, llvm::MCOperand::getImm(), llvm::AMDGPU::getNamedOperandIdx(), llvm::MCInst::getNumOperands(), llvm::MCInst::getOpcode(), and llvm::MCInst::getOperand().

Referenced by llvm::AMDGPUDisassembler::convertDPP8Inst().

LLVMInitializeAMDGPUDisassembler()

void LLVMInitializeAMDGPUDisassembler

(

)

Definition at line 1263 of file AMDGPUDisassembler.cpp.

References createAMDGPUDisassembler(), createAMDGPUSymbolizer(), llvm::getTheGCNTarget(), llvm::TargetRegistry::RegisterMCDisassembler(), and llvm::TargetRegistry::RegisterMCSymbolizer().