ARMMCCodeEmitter.cpp File Reference

#include "MCTargetDesc/ARMAddressingModes.h"
#include "MCTargetDesc/ARMBaseInfo.h"
#include "MCTargetDesc/ARMFixupKinds.h"
#include "MCTargetDesc/ARMMCAsmInfo.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCFixup.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/EndianStream.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/TargetParser/Triple.h"
#include <cassert>
#include <cstdint>
#include <cstdlib>
#include "ARMGenMCCodeEmitter.inc"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "mccodeemitter"

Functions
	STATISTIC (MCNumEmitted, "Number of MC instructions emitted.")
	STATISTIC (MCNumCPRelocations, "Number of constant pool relocations created.")
static void	addFixup (SmallVectorImpl< MCFixup > &Fixups, uint32_t Offset, const MCExpr *Value, uint16_t Kind)
static uint32_t	getBranchTargetOpValue (const MCInst &MI, unsigned OpIdx, unsigned FixupKind, SmallVectorImpl< MCFixup > &Fixups, const MCSubtargetInfo &STI)
	getBranchTargetOpValue - Helper function to get the branch target operand, which is either an immediate or requires a fixup.
static int32_t	encodeThumbBLOffset (int32_t offset)
static bool	HasConditionalBranch (const MCInst &MI)
	Return true if this branch has a non-always predication.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "mccodeemitter"

Definition at line 41 of file ARMMCCodeEmitter.cpp.

Function Documentation

addFixup()

void addFixup ( SmallVectorImpl< MCFixup > & Fixups, uint32_t Offset, const MCExpr * Value, uint16_t Kind )

static

Definition at line 435 of file ARMMCCodeEmitter.cpp.

References llvm::MCFixup::create(), llvm::ARM::fixup_arm_adr_pcrel_12, llvm::ARM::fixup_arm_blx, llvm::ARM::fixup_arm_condbl, llvm::ARM::fixup_arm_condbranch, llvm::ARM::fixup_arm_ldst_pcrel_12, llvm::ARM::fixup_arm_pcrel_10, llvm::ARM::fixup_arm_pcrel_10_unscaled, llvm::ARM::fixup_arm_pcrel_9, llvm::ARM::fixup_arm_thumb_bcc, llvm::ARM::fixup_arm_thumb_bl, llvm::ARM::fixup_arm_thumb_blx, llvm::ARM::fixup_arm_thumb_br, llvm::ARM::fixup_arm_thumb_cb, llvm::ARM::fixup_arm_thumb_cp, llvm::ARM::fixup_arm_uncondbl, llvm::ARM::fixup_arm_uncondbranch, llvm::ARM::fixup_bf_branch, llvm::ARM::fixup_bf_target, llvm::ARM::fixup_bfc_target, llvm::ARM::fixup_bfl_target, llvm::ARM::fixup_le, llvm::ARM::fixup_t2_adr_pcrel_12, llvm::ARM::fixup_t2_condbranch, llvm::ARM::fixup_t2_ldst_pcrel_12, llvm::ARM::fixup_t2_pcrel_10, llvm::ARM::fixup_t2_pcrel_9, llvm::ARM::fixup_t2_uncondbranch, llvm::ARM::fixup_thumb_adr_pcrel_10, llvm::ARM::fixup_wls, and llvm::Offset.

encodeThumbBLOffset()

int32_t encodeThumbBLOffset ( int32_t offset )

static

Definition at line 635 of file ARMMCCodeEmitter.cpp.

getBranchTargetOpValue()

uint32_t getBranchTargetOpValue ( const MCInst & MI, unsigned OpIdx, unsigned FixupKind, SmallVectorImpl< MCFixup > & Fixups, const MCSubtargetInfo & STI )

static

getBranchTargetOpValue - Helper function to get the branch target operand, which is either an immediate or requires a fixup.

Definition at line 616 of file ARMMCCodeEmitter.cpp.

References addFixup(), assert(), llvm::FixupKind(), llvm::MCOperand::getExpr(), llvm::MCOperand::getImm(), llvm::MCOperand::isExpr(), llvm::MCOperand::isImm(), MI, and OpIdx.

HasConditionalBranch()

bool HasConditionalBranch ( const MCInst & MI )

static

Return true if this branch has a non-always predication.

Definition at line 713 of file ARMMCCodeEmitter.cpp.

References llvm::ARMCC::AL, llvm::MCOperand::getImm(), llvm::MCOperand::getReg(), llvm::MCOperand::isImm(), llvm::MCOperand::isReg(), and MI.

STATISTIC() [1/2]

STATISTIC	(	MCNumCPRelocations	,
		"Number of constant pool relocations created."	)

STATISTIC() [2/2]

STATISTIC	(	MCNumEmitted	,
		"Number of MC instructions emitted."	)