X86MCLFIRewriter.cpp File Reference

#include "X86MCLFIRewriter.h"
#include "X86BaseInfo.h"
#include "X86MCTargetDesc.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstBuilder.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"

Go to the source code of this file.

Functions
static bool	isSyscall (const MCInst &Inst)
static bool	isDirectCall (const MCInst &Inst)
static bool	isSupportedIndirectBranch (const MCInst &Inst)
static bool	hasNoTrackPrefix (const MCInst &Inst, const MCInstrInfo &InstInfo)
static int	findFSMemOperand (const MCInst &Inst, const MCInstrInfo &InstInfo)
static bool	readsRegister (const MCInst &Inst, const MCInstrDesc &Desc, MCRegister Reg, const MCRegisterInfo &RI)
static bool	isGR64OrNone (MCRegister Reg)
static void	emitTPLoad (MCRegister Reg, MCStreamer &Out, const MCSubtargetInfo &STI)

Variables
static constexpr MCRegister	LFIBaseReg = X86::R14
static constexpr MCRegister	LFIScratchReg = X86::R11
static constexpr MCRegister	LFITPReg = X86::R15
static constexpr int	TPOffset = 16

Function Documentation

emitTPLoad()

void emitTPLoad ( MCRegister Reg, MCStreamer & Out, const MCSubtargetInfo & STI )

static

Definition at line 267 of file X86MCLFIRewriter.cpp.

References LFITPReg, Reg, and TPOffset.

findFSMemOperand()

int findFSMemOperand ( const MCInst & Inst, const MCInstrInfo & InstInfo )

static

Definition at line 66 of file X86MCLFIRewriter.cpp.

References llvm::X86::AddrSegmentReg, llvm::X86II::getMemoryOperandIdx(), llvm::MCInst::getOpcode(), llvm::MCInst::getOperand(), llvm::MCOperand::getReg(), and llvm::MCOperand::isReg().

hasNoTrackPrefix()

bool hasNoTrackPrefix ( const MCInst & Inst, const MCInstrInfo & InstInfo )

static

Definition at line 59 of file X86MCLFIRewriter.cpp.

References llvm::MCInst::getFlags(), llvm::MCInst::getOpcode(), llvm::X86::IP_HAS_NOTRACK, and llvm::X86II::NOTRACK.

isDirectCall()

bool isDirectCall ( const MCInst & Inst )

static

Definition at line 39 of file X86MCLFIRewriter.cpp.

References llvm::MCInst::getOpcode().

isGR64OrNone()

bool isGR64OrNone ( MCRegister Reg )

static

Definition at line 91 of file X86MCLFIRewriter.cpp.

References Reg.

isSupportedIndirectBranch()

bool isSupportedIndirectBranch ( const MCInst & Inst )

static

Definition at line 43 of file X86MCLFIRewriter.cpp.

References llvm::MCInst::getOpcode().

isSyscall()

bool isSyscall ( const MCInst & Inst )

static

Definition at line 35 of file X86MCLFIRewriter.cpp.

References llvm::MCInst::getOpcode().

readsRegister()

bool readsRegister ( const MCInst & Inst, const MCInstrDesc & Desc, MCRegister Reg, const MCRegisterInfo & RI )

static

Definition at line 77 of file X86MCLFIRewriter.cpp.

References E(), llvm::MCInst::getNumOperands(), llvm::MCInst::getOperand(), I, Reg, and llvm::MCRegisterInfo::regsOverlap().

Variable Documentation

LFIBaseReg

MCRegister LFIBaseReg = X86::R14

staticconstexpr

Definition at line 27 of file X86MCLFIRewriter.cpp.

LFIScratchReg

MCRegister LFIScratchReg = X86::R11

staticconstexpr

Definition at line 28 of file X86MCLFIRewriter.cpp.

LFITPReg

MCRegister LFITPReg = X86::R15

staticconstexpr

Definition at line 29 of file X86MCLFIRewriter.cpp.

Referenced by emitTPLoad().

TPOffset

int TPOffset = 16

staticconstexpr

Definition at line 33 of file X86MCLFIRewriter.cpp.

Referenced by emitTPLoad().