llvm/llvm/lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp

//===-- X86ELFObjectWriter.cpp - X86 ELF Writer ---------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "MCTargetDesc/X86FixupKinds.h"
#include "MCTargetDesc/X86MCTargetDesc.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCELFObjectWriter.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCFixup.h"
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCValue.h"
#include "llvm/Support/ErrorHandling.h"
#include <cassert>
#include <cstdint>

usingnamespacellvm;

namespace {

class X86ELFObjectWriter : public MCELFObjectTargetWriter { … };

} // end anonymous namespace

X86ELFObjectWriter::X86ELFObjectWriter(bool IsELF64, uint8_t OSABI,
                                       uint16_t EMachine)
    : … { … }

enum X86_64RelType { … };

static X86_64RelType getType64(MCFixupKind Kind,
                               MCSymbolRefExpr::VariantKind &Modifier,
                               bool &IsPCRel) { … }

static void checkIs32(MCContext &Ctx, SMLoc Loc, X86_64RelType Type) { … }

static void checkIs64(MCContext &Ctx, SMLoc Loc, X86_64RelType Type) { … }

static unsigned getRelocType64(MCContext &Ctx, SMLoc Loc,
                               MCSymbolRefExpr::VariantKind Modifier,
                               X86_64RelType Type, bool IsPCRel,
                               MCFixupKind Kind) { … }

enum X86_32RelType { … };

static unsigned getRelocType32(MCContext &Ctx, SMLoc Loc,
                               MCSymbolRefExpr::VariantKind Modifier,
                               X86_32RelType Type, bool IsPCRel,
                               MCFixupKind Kind) { … }

unsigned X86ELFObjectWriter::getRelocType(MCContext &Ctx, const MCValue &Target,
                                          const MCFixup &Fixup,
                                          bool IsPCRel) const { … }

std::unique_ptr<MCObjectTargetWriter>
llvm::createX86ELFObjectWriter(bool IsELF64, uint8_t OSABI, uint16_t EMachine) { … }