RISCVAsmBackend.cpp File Reference

#include "RISCVAsmBackend.h"
#include "RISCVFixupKinds.h"
#include "llvm/ADT/APInt.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCELFObjectWriter.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCMachObjectWriter.h"
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCValue.h"
#include "llvm/Support/EndianStream.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/LEB128.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/BinaryFormat/ELFRelocs/RISCV.def"
#include "llvm/BinaryFormat/ELFRelocs/RISCV_nonstandard.def"

Go to the source code of this file.

Classes
class	DarwinRISCVAsmBackend

Macros
#define	ELF_RELOC(NAME, ID)
#define	ELF_RISCV_NONSTANDARD_RELOC(_VENDOR, NAME, ID)

Functions
static unsigned	getRelaxedOpcode (unsigned Opcode, ArrayRef< MCOperand > Operands, const MCSubtargetInfo &STI)
static uint64_t	adjustFixupValue (const MCFixup &Fixup, uint64_t Value, MCContext &Ctx)
const MCFixup *	getPCRelHiFixup (const MCSpecifierExpr &Expr, const MCFragment **DFOut)
static bool	relaxableFixupNeedsRelocation (const MCFixupKind Kind)
static bool	isDataFixup (unsigned Kind)

Macro Definition Documentation

ELF_RELOC

#define ELF_RELOC	(		NAME,
			ID )

Value:

.Case(#NAME, ID)

ELF_RISCV_NONSTANDARD_RELOC

#define ELF_RISCV_NONSTANDARD_RELOC	(		_VENDOR,
			NAME,
			ID )

Value:

.Case(#NAME, ID)

Function Documentation

adjustFixupValue()

uint64_t adjustFixupValue ( const MCFixup & Fixup, uint64_t Value, MCContext & Ctx )

static

Definition at line 500 of file RISCVAsmBackend.cpp.

References Fixup, llvm::RISCV::fixup_qc_access_16, llvm::RISCV::fixup_qc_access_32, llvm::RISCV::fixup_riscv_12_i, llvm::RISCV::fixup_riscv_branch, llvm::RISCV::fixup_riscv_call, llvm::RISCV::fixup_riscv_call_plt, llvm::RISCV::fixup_riscv_hi20, llvm::RISCV::fixup_riscv_jal, llvm::RISCV::fixup_riscv_lo12_i, llvm::RISCV::fixup_riscv_lo12_s, llvm::RISCV::fixup_riscv_nds_branch_10, llvm::RISCV::fixup_riscv_pcrel_hi20, llvm::RISCV::fixup_riscv_pcrel_lo12_i, llvm::RISCV::fixup_riscv_pcrel_lo12_s, llvm::RISCV::fixup_riscv_qc_abs20_u, llvm::RISCV::fixup_riscv_qc_e_32, llvm::RISCV::fixup_riscv_qc_e_branch, llvm::RISCV::fixup_riscv_qc_e_call_plt, llvm::RISCV::fixup_riscv_rvc_branch, llvm::RISCV::fixup_riscv_rvc_imm, llvm::RISCV::fixup_riscv_rvc_jump, llvm::FK_Data_1, llvm::FK_Data_2, llvm::FK_Data_4, llvm::FK_Data_8, llvm::FK_Data_leb128, llvm::isInt(), llvm_unreachable, and uint64_t.

getPCRelHiFixup()

const MCFixup * getPCRelHiFixup	(	const MCSpecifierExpr &	Expr,
		const MCFragment **	DFOut )

Definition at line 684 of file RISCVAsmBackend.cpp.

References DF, llvm::MCExpr::evaluateAsRelocatable(), F, llvm::RISCV::fixup_riscv_pcrel_hi20, llvm::MCValue::getAddSym(), llvm::MCSymbol::getFragment(), llvm::MCSymbol::getOffset(), llvm::MCSpecifierExpr::getSubExpr(), llvm::mc::isRelocation(), llvm::Offset, and uint64_t.

Referenced by DarwinRISCVAsmBackend::evaluateFixup(), and llvm::RISCVAsmBackend::evaluateFixup().

getRelaxedOpcode()

unsigned getRelaxedOpcode ( unsigned Opcode, ArrayRef< MCOperand > Operands, const MCSubtargetInfo & STI )

static

Definition at line 148 of file RISCVAsmBackend.cpp.

References llvm::MCSubtargetInfo::hasFeature(), Operands, and Reg.

isDataFixup()

bool isDataFixup ( unsigned Kind )

static

Definition at line 923 of file RISCVAsmBackend.cpp.

References llvm::FK_Data_1, llvm::FK_Data_2, llvm::FK_Data_4, and llvm::FK_Data_8.

Referenced by llvm::RISCVAsmBackend::applyFixup().

relaxableFixupNeedsRelocation()

bool relaxableFixupNeedsRelocation ( const MCFixupKind Kind )

static

Definition at line 828 of file RISCVAsmBackend.cpp.

References llvm::RISCV::fixup_riscv_branch, llvm::RISCV::fixup_riscv_qc_e_branch, llvm::RISCV::fixup_riscv_rvc_branch, llvm::RISCV::fixup_riscv_rvc_imm, and llvm::RISCV::fixup_riscv_rvc_jump.

Referenced by llvm::RISCVAsmBackend::addReloc().